From 8ede0bdb63305d3353efd97e9af6210afb05734e Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 17 Aug 2008 19:13:17 -0400 Subject: x86, um: initial part of asm-um move Signed-off-by: Al Viro Signed-off-by: H. Peter Anvin --- arch/um/include/asm/a.out-core.h | 27 +++ arch/um/include/asm/a.out.h | 11 + arch/um/include/asm/alternative-asm.h | 6 + arch/um/include/asm/alternative.h | 6 + arch/um/include/asm/apic.h | 4 + arch/um/include/asm/archparam-i386.h | 26 +++ arch/um/include/asm/archparam-ppc.h | 8 + arch/um/include/asm/archparam-x86_64.h | 26 +++ arch/um/include/asm/asm.h | 6 + arch/um/include/asm/atomic.h | 11 + arch/um/include/asm/auxvec.h | 4 + arch/um/include/asm/bitops.h | 10 + arch/um/include/asm/boot.h | 6 + arch/um/include/asm/bug.h | 6 + arch/um/include/asm/bugs.h | 6 + arch/um/include/asm/byteorder.h | 6 + arch/um/include/asm/cache.h | 17 ++ arch/um/include/asm/cacheflush.h | 6 + arch/um/include/asm/calling.h | 9 + arch/um/include/asm/checksum.h | 6 + arch/um/include/asm/cmpxchg.h | 6 + arch/um/include/asm/cobalt.h | 6 + arch/um/include/asm/common.lds.S | 130 +++++++++++ arch/um/include/asm/cpufeature.h | 6 + arch/um/include/asm/cputime.h | 6 + arch/um/include/asm/current.h | 13 ++ arch/um/include/asm/delay.h | 20 ++ arch/um/include/asm/desc.h | 16 ++ arch/um/include/asm/device.h | 7 + arch/um/include/asm/div64.h | 6 + arch/um/include/asm/dma-mapping.h | 128 +++++++++++ arch/um/include/asm/dma.h | 10 + arch/um/include/asm/dwarf2.h | 11 + arch/um/include/asm/elf-i386.h | 163 ++++++++++++++ arch/um/include/asm/elf-ppc.h | 53 +++++ arch/um/include/asm/elf-x86_64.h | 119 ++++++++++ arch/um/include/asm/emergency-restart.h | 6 + arch/um/include/asm/errno.h | 6 + arch/um/include/asm/fcntl.h | 6 + arch/um/include/asm/fixmap.h | 98 +++++++++ arch/um/include/asm/floppy.h | 6 + arch/um/include/asm/frame.h | 6 + arch/um/include/asm/futex.h | 6 + arch/um/include/asm/hardirq.h | 25 +++ arch/um/include/asm/highmem.h | 12 ++ arch/um/include/asm/host_ldt-i386.h | 34 +++ arch/um/include/asm/host_ldt-x86_64.h | 38 ++++ arch/um/include/asm/hw_irq.h | 7 + arch/um/include/asm/ide.h | 6 + arch/um/include/asm/io.h | 57 +++++ arch/um/include/asm/ioctl.h | 6 + arch/um/include/asm/ioctls.h | 6 + arch/um/include/asm/ipcbuf.h | 6 + arch/um/include/asm/irq.h | 23 ++ arch/um/include/asm/irq_regs.h | 1 + arch/um/include/asm/irq_vectors.h | 20 ++ arch/um/include/asm/irqflags.h | 6 + arch/um/include/asm/kdebug.h | 1 + arch/um/include/asm/kmap_types.h | 29 +++ arch/um/include/asm/ldt.h | 37 ++++ arch/um/include/asm/linkage.h | 6 + arch/um/include/asm/local.h | 6 + arch/um/include/asm/locks.h | 6 + arch/um/include/asm/mca_dma.h | 6 + arch/um/include/asm/mman.h | 6 + arch/um/include/asm/mmu.h | 22 ++ arch/um/include/asm/mmu_context.h | 54 +++++ arch/um/include/asm/module-generic.h | 6 + arch/um/include/asm/module-i386.h | 13 ++ arch/um/include/asm/module-x86_64.h | 30 +++ arch/um/include/asm/msgbuf.h | 6 + arch/um/include/asm/mtrr.h | 6 + arch/um/include/asm/mutex.h | 9 + arch/um/include/asm/nops.h | 6 + arch/um/include/asm/page.h | 122 +++++++++++ arch/um/include/asm/page_offset.h | 1 + arch/um/include/asm/param.h | 20 ++ arch/um/include/asm/paravirt.h | 6 + arch/um/include/asm/pci.h | 7 + arch/um/include/asm/pda.h | 31 +++ arch/um/include/asm/percpu.h | 6 + arch/um/include/asm/pgalloc.h | 72 +++++++ arch/um/include/asm/pgtable-2level.h | 53 +++++ arch/um/include/asm/pgtable-3level.h | 146 +++++++++++++ arch/um/include/asm/pgtable.h | 358 +++++++++++++++++++++++++++++++ arch/um/include/asm/poll.h | 6 + arch/um/include/asm/posix_types.h | 6 + arch/um/include/asm/prctl.h | 6 + arch/um/include/asm/processor-generic.h | 136 ++++++++++++ arch/um/include/asm/processor-i386.h | 78 +++++++ arch/um/include/asm/processor-ppc.h | 15 ++ arch/um/include/asm/processor-x86_64.h | 56 +++++ arch/um/include/asm/ptrace-generic.h | 55 +++++ arch/um/include/asm/ptrace-i386.h | 60 ++++++ arch/um/include/asm/ptrace-x86_64.h | 81 +++++++ arch/um/include/asm/required-features.h | 9 + arch/um/include/asm/resource.h | 6 + arch/um/include/asm/rwlock.h | 6 + arch/um/include/asm/rwsem.h | 6 + arch/um/include/asm/scatterlist.h | 6 + arch/um/include/asm/sections.h | 7 + arch/um/include/asm/segment.h | 10 + arch/um/include/asm/sembuf.h | 6 + arch/um/include/asm/serial.h | 6 + arch/um/include/asm/setup.h | 10 + arch/um/include/asm/shmbuf.h | 6 + arch/um/include/asm/shmparam.h | 6 + arch/um/include/asm/sigcontext-generic.h | 6 + arch/um/include/asm/sigcontext-i386.h | 6 + arch/um/include/asm/sigcontext-ppc.h | 10 + arch/um/include/asm/sigcontext-x86_64.h | 22 ++ arch/um/include/asm/siginfo.h | 6 + arch/um/include/asm/signal.h | 29 +++ arch/um/include/asm/smp.h | 33 +++ arch/um/include/asm/socket.h | 6 + arch/um/include/asm/sockios.h | 6 + arch/um/include/asm/spinlock.h | 6 + arch/um/include/asm/spinlock_types.h | 6 + arch/um/include/asm/stat.h | 6 + arch/um/include/asm/statfs.h | 6 + arch/um/include/asm/string.h | 7 + arch/um/include/asm/suspend.h | 4 + arch/um/include/asm/system-generic.h | 47 ++++ arch/um/include/asm/system-i386.h | 6 + arch/um/include/asm/system-ppc.h | 12 ++ arch/um/include/asm/system-x86_64.h | 23 ++ arch/um/include/asm/termbits.h | 6 + arch/um/include/asm/termios.h | 6 + arch/um/include/asm/thread_info.h | 83 +++++++ arch/um/include/asm/timex.h | 13 ++ arch/um/include/asm/tlb.h | 127 +++++++++++ arch/um/include/asm/tlbflush.h | 31 +++ arch/um/include/asm/topology.h | 6 + arch/um/include/asm/types.h | 6 + arch/um/include/asm/uaccess.h | 99 +++++++++ arch/um/include/asm/ucontext.h | 6 + arch/um/include/asm/unaligned.h | 6 + arch/um/include/asm/unistd.h | 41 ++++ arch/um/include/asm/user.h | 6 + arch/um/include/asm/vga.h | 6 + arch/um/include/asm/vm-flags-i386.h | 14 ++ arch/um/include/asm/vm-flags-x86_64.h | 33 +++ arch/um/include/asm/vm86.h | 6 + arch/um/include/asm/xor.h | 6 + 144 files changed, 3690 insertions(+) create mode 100644 arch/um/include/asm/a.out-core.h create mode 100644 arch/um/include/asm/a.out.h create mode 100644 arch/um/include/asm/alternative-asm.h create mode 100644 arch/um/include/asm/alternative.h create mode 100644 arch/um/include/asm/apic.h create mode 100644 arch/um/include/asm/archparam-i386.h create mode 100644 arch/um/include/asm/archparam-ppc.h create mode 100644 arch/um/include/asm/archparam-x86_64.h create mode 100644 arch/um/include/asm/asm.h create mode 100644 arch/um/include/asm/atomic.h create mode 100644 arch/um/include/asm/auxvec.h create mode 100644 arch/um/include/asm/bitops.h create mode 100644 arch/um/include/asm/boot.h create mode 100644 arch/um/include/asm/bug.h create mode 100644 arch/um/include/asm/bugs.h create mode 100644 arch/um/include/asm/byteorder.h create mode 100644 arch/um/include/asm/cache.h create mode 100644 arch/um/include/asm/cacheflush.h create mode 100644 arch/um/include/asm/calling.h create mode 100644 arch/um/include/asm/checksum.h create mode 100644 arch/um/include/asm/cmpxchg.h create mode 100644 arch/um/include/asm/cobalt.h create mode 100644 arch/um/include/asm/common.lds.S create mode 100644 arch/um/include/asm/cpufeature.h create mode 100644 arch/um/include/asm/cputime.h create mode 100644 arch/um/include/asm/current.h create mode 100644 arch/um/include/asm/delay.h create mode 100644 arch/um/include/asm/desc.h create mode 100644 arch/um/include/asm/device.h create mode 100644 arch/um/include/asm/div64.h create mode 100644 arch/um/include/asm/dma-mapping.h create mode 100644 arch/um/include/asm/dma.h create mode 100644 arch/um/include/asm/dwarf2.h create mode 100644 arch/um/include/asm/elf-i386.h create mode 100644 arch/um/include/asm/elf-ppc.h create mode 100644 arch/um/include/asm/elf-x86_64.h create mode 100644 arch/um/include/asm/emergency-restart.h create mode 100644 arch/um/include/asm/errno.h create mode 100644 arch/um/include/asm/fcntl.h create mode 100644 arch/um/include/asm/fixmap.h create mode 100644 arch/um/include/asm/floppy.h create mode 100644 arch/um/include/asm/frame.h create mode 100644 arch/um/include/asm/futex.h create mode 100644 arch/um/include/asm/hardirq.h create mode 100644 arch/um/include/asm/highmem.h create mode 100644 arch/um/include/asm/host_ldt-i386.h create mode 100644 arch/um/include/asm/host_ldt-x86_64.h create mode 100644 arch/um/include/asm/hw_irq.h create mode 100644 arch/um/include/asm/ide.h create mode 100644 arch/um/include/asm/io.h create mode 100644 arch/um/include/asm/ioctl.h create mode 100644 arch/um/include/asm/ioctls.h create mode 100644 arch/um/include/asm/ipcbuf.h create mode 100644 arch/um/include/asm/irq.h create mode 100644 arch/um/include/asm/irq_regs.h create mode 100644 arch/um/include/asm/irq_vectors.h create mode 100644 arch/um/include/asm/irqflags.h create mode 100644 arch/um/include/asm/kdebug.h create mode 100644 arch/um/include/asm/kmap_types.h create mode 100644 arch/um/include/asm/ldt.h create mode 100644 arch/um/include/asm/linkage.h create mode 100644 arch/um/include/asm/local.h create mode 100644 arch/um/include/asm/locks.h create mode 100644 arch/um/include/asm/mca_dma.h create mode 100644 arch/um/include/asm/mman.h create mode 100644 arch/um/include/asm/mmu.h create mode 100644 arch/um/include/asm/mmu_context.h create mode 100644 arch/um/include/asm/module-generic.h create mode 100644 arch/um/include/asm/module-i386.h create mode 100644 arch/um/include/asm/module-x86_64.h create mode 100644 arch/um/include/asm/msgbuf.h create mode 100644 arch/um/include/asm/mtrr.h create mode 100644 arch/um/include/asm/mutex.h create mode 100644 arch/um/include/asm/nops.h create mode 100644 arch/um/include/asm/page.h create mode 100644 arch/um/include/asm/page_offset.h create mode 100644 arch/um/include/asm/param.h create mode 100644 arch/um/include/asm/paravirt.h create mode 100644 arch/um/include/asm/pci.h create mode 100644 arch/um/include/asm/pda.h create mode 100644 arch/um/include/asm/percpu.h create mode 100644 arch/um/include/asm/pgalloc.h create mode 100644 arch/um/include/asm/pgtable-2level.h create mode 100644 arch/um/include/asm/pgtable-3level.h create mode 100644 arch/um/include/asm/pgtable.h create mode 100644 arch/um/include/asm/poll.h create mode 100644 arch/um/include/asm/posix_types.h create mode 100644 arch/um/include/asm/prctl.h create mode 100644 arch/um/include/asm/processor-generic.h create mode 100644 arch/um/include/asm/processor-i386.h create mode 100644 arch/um/include/asm/processor-ppc.h create mode 100644 arch/um/include/asm/processor-x86_64.h create mode 100644 arch/um/include/asm/ptrace-generic.h create mode 100644 arch/um/include/asm/ptrace-i386.h create mode 100644 arch/um/include/asm/ptrace-x86_64.h create mode 100644 arch/um/include/asm/required-features.h create mode 100644 arch/um/include/asm/resource.h create mode 100644 arch/um/include/asm/rwlock.h create mode 100644 arch/um/include/asm/rwsem.h create mode 100644 arch/um/include/asm/scatterlist.h create mode 100644 arch/um/include/asm/sections.h create mode 100644 arch/um/include/asm/segment.h create mode 100644 arch/um/include/asm/sembuf.h create mode 100644 arch/um/include/asm/serial.h create mode 100644 arch/um/include/asm/setup.h create mode 100644 arch/um/include/asm/shmbuf.h create mode 100644 arch/um/include/asm/shmparam.h create mode 100644 arch/um/include/asm/sigcontext-generic.h create mode 100644 arch/um/include/asm/sigcontext-i386.h create mode 100644 arch/um/include/asm/sigcontext-ppc.h create mode 100644 arch/um/include/asm/sigcontext-x86_64.h create mode 100644 arch/um/include/asm/siginfo.h create mode 100644 arch/um/include/asm/signal.h create mode 100644 arch/um/include/asm/smp.h create mode 100644 arch/um/include/asm/socket.h create mode 100644 arch/um/include/asm/sockios.h create mode 100644 arch/um/include/asm/spinlock.h create mode 100644 arch/um/include/asm/spinlock_types.h create mode 100644 arch/um/include/asm/stat.h create mode 100644 arch/um/include/asm/statfs.h create mode 100644 arch/um/include/asm/string.h create mode 100644 arch/um/include/asm/suspend.h create mode 100644 arch/um/include/asm/system-generic.h create mode 100644 arch/um/include/asm/system-i386.h create mode 100644 arch/um/include/asm/system-ppc.h create mode 100644 arch/um/include/asm/system-x86_64.h create mode 100644 arch/um/include/asm/termbits.h create mode 100644 arch/um/include/asm/termios.h create mode 100644 arch/um/include/asm/thread_info.h create mode 100644 arch/um/include/asm/timex.h create mode 100644 arch/um/include/asm/tlb.h create mode 100644 arch/um/include/asm/tlbflush.h create mode 100644 arch/um/include/asm/topology.h create mode 100644 arch/um/include/asm/types.h create mode 100644 arch/um/include/asm/uaccess.h create mode 100644 arch/um/include/asm/ucontext.h create mode 100644 arch/um/include/asm/unaligned.h create mode 100644 arch/um/include/asm/unistd.h create mode 100644 arch/um/include/asm/user.h create mode 100644 arch/um/include/asm/vga.h create mode 100644 arch/um/include/asm/vm-flags-i386.h create mode 100644 arch/um/include/asm/vm-flags-x86_64.h create mode 100644 arch/um/include/asm/vm86.h create mode 100644 arch/um/include/asm/xor.h (limited to 'arch/um/include/asm') diff --git a/arch/um/include/asm/a.out-core.h b/arch/um/include/asm/a.out-core.h new file mode 100644 index 00000000000..995643b1830 --- /dev/null +++ b/arch/um/include/asm/a.out-core.h @@ -0,0 +1,27 @@ +/* a.out coredump register dumper + * + * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public Licence + * as published by the Free Software Foundation; either version + * 2 of the Licence, or (at your option) any later version. + */ + +#ifndef __UM_A_OUT_CORE_H +#define __UM_A_OUT_CORE_H + +#ifdef __KERNEL__ + +#include + +/* + * fill in the user structure for an a.out core dump + */ +static inline void aout_dump_thread(struct pt_regs *regs, struct user *u) +{ +} + +#endif /* __KERNEL__ */ +#endif /* __UM_A_OUT_CORE_H */ diff --git a/arch/um/include/asm/a.out.h b/arch/um/include/asm/a.out.h new file mode 100644 index 00000000000..754181ee868 --- /dev/null +++ b/arch/um/include/asm/a.out.h @@ -0,0 +1,11 @@ +/* + * Copyright (C) 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) + * Licensed under the GPL + */ + +#ifndef __UM_A_OUT_H +#define __UM_A_OUT_H + +#include "asm/arch/a.out.h" + +#endif diff --git a/arch/um/include/asm/alternative-asm.h b/arch/um/include/asm/alternative-asm.h new file mode 100644 index 00000000000..9aa9fa2402a --- /dev/null +++ b/arch/um/include/asm/alternative-asm.h @@ -0,0 +1,6 @@ +#ifndef __UM_ALTERNATIVE_ASM_I +#define __UM_ALTERNATIVE_ASM_I + +#include "asm/arch/alternative-asm.h" + +#endif diff --git a/arch/um/include/asm/alternative.h b/arch/um/include/asm/alternative.h new file mode 100644 index 00000000000..b6434396bd4 --- /dev/null +++ b/arch/um/include/asm/alternative.h @@ -0,0 +1,6 @@ +#ifndef __UM_ALTERNATIVE_H +#define __UM_ALTERNATIVE_H + +#include "asm/arch/alternative.h" + +#endif diff --git a/arch/um/include/asm/apic.h b/arch/um/include/asm/apic.h new file mode 100644 index 00000000000..876dee84ab1 --- /dev/null +++ b/arch/um/include/asm/apic.h @@ -0,0 +1,4 @@ +#ifndef __UM_APIC_H +#define __UM_APIC_H + +#endif diff --git a/arch/um/include/asm/archparam-i386.h b/arch/um/include/asm/archparam-i386.h new file mode 100644 index 00000000000..49e89b8d7e5 --- /dev/null +++ b/arch/um/include/asm/archparam-i386.h @@ -0,0 +1,26 @@ +/* + * Copyright (C) 2000 - 2003 Jeff Dike (jdike@addtoit.com) + * Licensed under the GPL + */ + +#ifndef __UM_ARCHPARAM_I386_H +#define __UM_ARCHPARAM_I386_H + +/********* Nothing for asm-um/hardirq.h **********/ + +/********* Nothing for asm-um/hw_irq.h **********/ + +/********* Nothing for asm-um/string.h **********/ + +#endif + +/* + * Overrides for Emacs so that we follow Linus's tabbing style. + * Emacs will notice this stuff at the end of the file and automatically + * adjust the settings for this buffer only. This must remain at the end + * of the file. + * --------------------------------------------------------------------------- + * Local variables: + * c-file-style: "linux" + * End: + */ diff --git a/arch/um/include/asm/archparam-ppc.h b/arch/um/include/asm/archparam-ppc.h new file mode 100644 index 00000000000..4269d8a37b4 --- /dev/null +++ b/arch/um/include/asm/archparam-ppc.h @@ -0,0 +1,8 @@ +#ifndef __UM_ARCHPARAM_PPC_H +#define __UM_ARCHPARAM_PPC_H + +/********* Bits for asm-um/string.h **********/ + +#define __HAVE_ARCH_STRRCHR + +#endif diff --git a/arch/um/include/asm/archparam-x86_64.h b/arch/um/include/asm/archparam-x86_64.h new file mode 100644 index 00000000000..270ed9586b6 --- /dev/null +++ b/arch/um/include/asm/archparam-x86_64.h @@ -0,0 +1,26 @@ +/* + * Copyright 2003 PathScale, Inc. + * + * Licensed under the GPL + */ + +#ifndef __UM_ARCHPARAM_X86_64_H +#define __UM_ARCHPARAM_X86_64_H + + +/* No user-accessible fixmap addresses, i.e. vsyscall */ +#define FIXADDR_USER_START 0 +#define FIXADDR_USER_END 0 + +#endif + +/* + * Overrides for Emacs so that we follow Linus's tabbing style. + * Emacs will notice this stuff at the end of the file and automatically + * adjust the settings for this buffer only. This must remain at the end + * of the file. + * --------------------------------------------------------------------------- + * Local variables: + * c-file-style: "linux" + * End: + */ diff --git a/arch/um/include/asm/asm.h b/arch/um/include/asm/asm.h new file mode 100644 index 00000000000..af1269a1e9e --- /dev/null +++ b/arch/um/include/asm/asm.h @@ -0,0 +1,6 @@ +#ifndef __UM_ASM_H +#define __UM_ASM_H + +#include "asm/arch/asm.h" + +#endif diff --git a/arch/um/include/asm/atomic.h b/arch/um/include/asm/atomic.h new file mode 100644 index 00000000000..b683f1034d1 --- /dev/null +++ b/arch/um/include/asm/atomic.h @@ -0,0 +1,11 @@ +#ifndef __UM_ATOMIC_H +#define __UM_ATOMIC_H + +/* The i386 atomic.h calls printk, but doesn't include kernel.h, so we + * include it here. + */ +#include "linux/kernel.h" + +#include "asm/arch/atomic.h" + +#endif diff --git a/arch/um/include/asm/auxvec.h b/arch/um/include/asm/auxvec.h new file mode 100644 index 00000000000..1e5e1c2fc9b --- /dev/null +++ b/arch/um/include/asm/auxvec.h @@ -0,0 +1,4 @@ +#ifndef __UM_AUXVEC_H +#define __UM_AUXVEC_H + +#endif diff --git a/arch/um/include/asm/bitops.h b/arch/um/include/asm/bitops.h new file mode 100644 index 00000000000..e4d38d437b9 --- /dev/null +++ b/arch/um/include/asm/bitops.h @@ -0,0 +1,10 @@ +#ifndef __UM_BITOPS_H +#define __UM_BITOPS_H + +#ifndef _LINUX_BITOPS_H +#error only can be included directly +#endif + +#include "asm/arch/bitops.h" + +#endif diff --git a/arch/um/include/asm/boot.h b/arch/um/include/asm/boot.h new file mode 100644 index 00000000000..09548c3e784 --- /dev/null +++ b/arch/um/include/asm/boot.h @@ -0,0 +1,6 @@ +#ifndef __UM_BOOT_H +#define __UM_BOOT_H + +#include "asm/arch/boot.h" + +#endif diff --git a/arch/um/include/asm/bug.h b/arch/um/include/asm/bug.h new file mode 100644 index 00000000000..9e33b864c35 --- /dev/null +++ b/arch/um/include/asm/bug.h @@ -0,0 +1,6 @@ +#ifndef __UM_BUG_H +#define __UM_BUG_H + +#include + +#endif diff --git a/arch/um/include/asm/bugs.h b/arch/um/include/asm/bugs.h new file mode 100644 index 00000000000..6a72e240d5f --- /dev/null +++ b/arch/um/include/asm/bugs.h @@ -0,0 +1,6 @@ +#ifndef __UM_BUGS_H +#define __UM_BUGS_H + +void check_bugs(void); + +#endif diff --git a/arch/um/include/asm/byteorder.h b/arch/um/include/asm/byteorder.h new file mode 100644 index 00000000000..eee0a834f44 --- /dev/null +++ b/arch/um/include/asm/byteorder.h @@ -0,0 +1,6 @@ +#ifndef __UM_BYTEORDER_H +#define __UM_BYTEORDER_H + +#include "asm/arch/byteorder.h" + +#endif diff --git a/arch/um/include/asm/cache.h b/arch/um/include/asm/cache.h new file mode 100644 index 00000000000..19e1bdd6741 --- /dev/null +++ b/arch/um/include/asm/cache.h @@ -0,0 +1,17 @@ +#ifndef __UM_CACHE_H +#define __UM_CACHE_H + + +#if defined(CONFIG_UML_X86) && !defined(CONFIG_64BIT) +# define L1_CACHE_SHIFT (CONFIG_X86_L1_CACHE_SHIFT) +#elif defined(CONFIG_UML_X86) /* 64-bit */ +# define L1_CACHE_SHIFT 6 /* Should be 7 on Intel */ +#else +/* XXX: this was taken from x86, now it's completely random. Luckily only + * affects SMP padding. */ +# define L1_CACHE_SHIFT 5 +#endif + +#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) + +#endif diff --git a/arch/um/include/asm/cacheflush.h b/arch/um/include/asm/cacheflush.h new file mode 100644 index 00000000000..12e9d4b74c8 --- /dev/null +++ b/arch/um/include/asm/cacheflush.h @@ -0,0 +1,6 @@ +#ifndef __UM_CACHEFLUSH_H +#define __UM_CACHEFLUSH_H + +#include "asm/arch/cacheflush.h" + +#endif diff --git a/arch/um/include/asm/calling.h b/arch/um/include/asm/calling.h new file mode 100644 index 00000000000..0b2384cc99f --- /dev/null +++ b/arch/um/include/asm/calling.h @@ -0,0 +1,9 @@ +# Copyright 2003 - 2004 Pathscale, Inc +# Released under the GPL + +#ifndef __UM_CALLING_H /* XXX x86_64 */ +#define __UM_CALLING_H + +#include "asm/arch/calling.h" + +#endif diff --git a/arch/um/include/asm/checksum.h b/arch/um/include/asm/checksum.h new file mode 100644 index 00000000000..5b501361e36 --- /dev/null +++ b/arch/um/include/asm/checksum.h @@ -0,0 +1,6 @@ +#ifndef __UM_CHECKSUM_H +#define __UM_CHECKSUM_H + +#include "sysdep/checksum.h" + +#endif diff --git a/arch/um/include/asm/cmpxchg.h b/arch/um/include/asm/cmpxchg.h new file mode 100644 index 00000000000..529376a9988 --- /dev/null +++ b/arch/um/include/asm/cmpxchg.h @@ -0,0 +1,6 @@ +#ifndef __UM_CMPXCHG_H +#define __UM_CMPXCHG_H + +#include "asm/arch/cmpxchg.h" + +#endif diff --git a/arch/um/include/asm/cobalt.h b/arch/um/include/asm/cobalt.h new file mode 100644 index 00000000000..f813a684be9 --- /dev/null +++ b/arch/um/include/asm/cobalt.h @@ -0,0 +1,6 @@ +#ifndef __UM_COBALT_H +#define __UM_COBALT_H + +#include "asm/arch/cobalt.h" + +#endif diff --git a/arch/um/include/asm/common.lds.S b/arch/um/include/asm/common.lds.S new file mode 100644 index 00000000000..cb0248616d4 --- /dev/null +++ b/arch/um/include/asm/common.lds.S @@ -0,0 +1,130 @@ +#include + + .fini : { *(.fini) } =0x9090 + _etext = .; + PROVIDE (etext = .); + + . = ALIGN(4096); + _sdata = .; + PROVIDE (sdata = .); + + RODATA + + .unprotected : { *(.unprotected) } + . = ALIGN(4096); + PROVIDE (_unprotected_end = .); + + . = ALIGN(4096); + .note : { *(.note.*) } + __ex_table : { + __start___ex_table = .; + *(__ex_table) + __stop___ex_table = .; + } + + BUG_TABLE + + .uml.setup.init : { + __uml_setup_start = .; + *(.uml.setup.init) + __uml_setup_end = .; + } + + .uml.help.init : { + __uml_help_start = .; + *(.uml.help.init) + __uml_help_end = .; + } + + .uml.postsetup.init : { + __uml_postsetup_start = .; + *(.uml.postsetup.init) + __uml_postsetup_end = .; + } + + .init.setup : { + __setup_start = .; + *(.init.setup) + __setup_end = .; + } + + . = ALIGN(32); + .data.percpu : { + __per_cpu_start = . ; + *(.data.percpu) + __per_cpu_end = . ; + } + + .initcall.init : { + __initcall_start = .; + INITCALLS + __initcall_end = .; + } + + .con_initcall.init : { + __con_initcall_start = .; + *(.con_initcall.init) + __con_initcall_end = .; + } + + .uml.initcall.init : { + __uml_initcall_start = .; + *(.uml.initcall.init) + __uml_initcall_end = .; + } + __init_end = .; + + SECURITY_INIT + + .exitcall : { + __exitcall_begin = .; + *(.exitcall.exit) + __exitcall_end = .; + } + + .uml.exitcall : { + __uml_exitcall_begin = .; + *(.uml.exitcall.exit) + __uml_exitcall_end = .; + } + + . = ALIGN(4); + .altinstructions : { + __alt_instructions = .; + *(.altinstructions) + __alt_instructions_end = .; + } + .altinstr_replacement : { *(.altinstr_replacement) } + /* .exit.text is discard at runtime, not link time, to deal with references + from .altinstructions and .eh_frame */ + .exit.text : { *(.exit.text) } + .exit.data : { *(.exit.data) } + + .preinit_array : { + __preinit_array_start = .; + *(.preinit_array) + __preinit_array_end = .; + } + .init_array : { + __init_array_start = .; + *(.init_array) + __init_array_end = .; + } + .fini_array : { + __fini_array_start = .; + *(.fini_array) + __fini_array_end = .; + } + + . = ALIGN(4096); + .init.ramfs : { + __initramfs_start = .; + *(.init.ramfs) + __initramfs_end = .; + } + + /* Sections to be discarded */ + /DISCARD/ : { + *(.exitcall.exit) + } + diff --git a/arch/um/include/asm/cpufeature.h b/arch/um/include/asm/cpufeature.h new file mode 100644 index 00000000000..fb7bd42a4d9 --- /dev/null +++ b/arch/um/include/asm/cpufeature.h @@ -0,0 +1,6 @@ +#ifndef __UM_CPUFEATURE_H +#define __UM_CPUFEATURE_H + +#include "asm/arch/cpufeature.h" + +#endif diff --git a/arch/um/include/asm/cputime.h b/arch/um/include/asm/cputime.h new file mode 100644 index 00000000000..c84acbadfa2 --- /dev/null +++ b/arch/um/include/asm/cputime.h @@ -0,0 +1,6 @@ +#ifndef __UM_CPUTIME_H +#define __UM_CPUTIME_H + +#include + +#endif /* __UM_CPUTIME_H */ diff --git a/arch/um/include/asm/current.h b/arch/um/include/asm/current.h new file mode 100644 index 00000000000..c2191d9aa03 --- /dev/null +++ b/arch/um/include/asm/current.h @@ -0,0 +1,13 @@ +/* + * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) + * Licensed under the GPL + */ + +#ifndef __UM_CURRENT_H +#define __UM_CURRENT_H + +#include "linux/thread_info.h" + +#define current (current_thread_info()->task) + +#endif diff --git a/arch/um/include/asm/delay.h b/arch/um/include/asm/delay.h new file mode 100644 index 00000000000..c71e32b6741 --- /dev/null +++ b/arch/um/include/asm/delay.h @@ -0,0 +1,20 @@ +#ifndef __UM_DELAY_H +#define __UM_DELAY_H + +#define MILLION 1000000 + +/* Undefined on purpose */ +extern void __bad_udelay(void); + +extern void __udelay(unsigned long usecs); +extern void __delay(unsigned long loops); + +#define udelay(n) ((__builtin_constant_p(n) && (n) > 20000) ? \ + __bad_udelay() : __udelay(n)) + +/* It appears that ndelay is not used at all for UML, and has never been + * implemented. */ +extern void __unimplemented_ndelay(void); +#define ndelay(n) __unimplemented_ndelay() + +#endif diff --git a/arch/um/include/asm/desc.h b/arch/um/include/asm/desc.h new file mode 100644 index 00000000000..4ec34a51b62 --- /dev/null +++ b/arch/um/include/asm/desc.h @@ -0,0 +1,16 @@ +#ifndef __UM_DESC_H +#define __UM_DESC_H + +/* Taken from asm-i386/desc.h, it's the only thing we need. The rest wouldn't + * compile, and has never been used. */ +#define LDT_empty(info) (\ + (info)->base_addr == 0 && \ + (info)->limit == 0 && \ + (info)->contents == 0 && \ + (info)->read_exec_only == 1 && \ + (info)->seg_32bit == 0 && \ + (info)->limit_in_pages == 0 && \ + (info)->seg_not_present == 1 && \ + (info)->useable == 0 ) + +#endif diff --git a/arch/um/include/asm/device.h b/arch/um/include/asm/device.h new file mode 100644 index 00000000000..d8f9872b0e2 --- /dev/null +++ b/arch/um/include/asm/device.h @@ -0,0 +1,7 @@ +/* + * Arch specific extensions to struct device + * + * This file is released under the GPLv2 + */ +#include + diff --git a/arch/um/include/asm/div64.h b/arch/um/include/asm/div64.h new file mode 100644 index 00000000000..1e17f7409ca --- /dev/null +++ b/arch/um/include/asm/div64.h @@ -0,0 +1,6 @@ +#ifndef _UM_DIV64_H +#define _UM_DIV64_H + +#include "asm/arch/div64.h" + +#endif diff --git a/arch/um/include/asm/dma-mapping.h b/arch/um/include/asm/dma-mapping.h new file mode 100644 index 00000000000..90fc708b320 --- /dev/null +++ b/arch/um/include/asm/dma-mapping.h @@ -0,0 +1,128 @@ +#ifndef _ASM_DMA_MAPPING_H +#define _ASM_DMA_MAPPING_H + +#include + +static inline int +dma_supported(struct device *dev, u64 mask) +{ + BUG(); + return(0); +} + +static inline int +dma_set_mask(struct device *dev, u64 dma_mask) +{ + BUG(); + return(0); +} + +static inline void * +dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, + gfp_t flag) +{ + BUG(); + return((void *) 0); +} + +static inline void +dma_free_coherent(struct device *dev, size_t size, void *cpu_addr, + dma_addr_t dma_handle) +{ + BUG(); +} + +static inline dma_addr_t +dma_map_single(struct device *dev, void *cpu_addr, size_t size, + enum dma_data_direction direction) +{ + BUG(); + return(0); +} + +static inline void +dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size, + enum dma_data_direction direction) +{ + BUG(); +} + +static inline dma_addr_t +dma_map_page(struct device *dev, struct page *page, + unsigned long offset, size_t size, + enum dma_data_direction direction) +{ + BUG(); + return(0); +} + +static inline void +dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size, + enum dma_data_direction direction) +{ + BUG(); +} + +static inline int +dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, + enum dma_data_direction direction) +{ + BUG(); + return(0); +} + +static inline void +dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries, + enum dma_data_direction direction) +{ + BUG(); +} + +static inline void +dma_sync_single(struct device *dev, dma_addr_t dma_handle, size_t size, + enum dma_data_direction direction) +{ + BUG(); +} + +static inline void +dma_sync_sg(struct device *dev, struct scatterlist *sg, int nelems, + enum dma_data_direction direction) +{ + BUG(); +} + +#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) +#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) +#define dma_is_consistent(d, h) (1) + +static inline int +dma_get_cache_alignment(void) +{ + BUG(); + return(0); +} + +static inline void +dma_sync_single_range(struct device *dev, dma_addr_t dma_handle, + unsigned long offset, size_t size, + enum dma_data_direction direction) +{ + BUG(); +} + +static inline void +dma_cache_sync(struct device *dev, void *vaddr, size_t size, + enum dma_data_direction direction) +{ + BUG(); +} + +static inline int +dma_mapping_error(struct device *dev, dma_addr_t dma_handle) +{ + BUG(); + return 0; +} + +#endif diff --git a/arch/um/include/asm/dma.h b/arch/um/include/asm/dma.h new file mode 100644 index 00000000000..9f6139a8a52 --- /dev/null +++ b/arch/um/include/asm/dma.h @@ -0,0 +1,10 @@ +#ifndef __UM_DMA_H +#define __UM_DMA_H + +#include "asm/io.h" + +extern unsigned long uml_physmem; + +#define MAX_DMA_ADDRESS (uml_physmem) + +#endif diff --git a/arch/um/include/asm/dwarf2.h b/arch/um/include/asm/dwarf2.h new file mode 100644 index 00000000000..d1a02e76293 --- /dev/null +++ b/arch/um/include/asm/dwarf2.h @@ -0,0 +1,11 @@ +/* Copyright 2003 - 2004 Pathscale, Inc + * Released under the GPL + */ + +/* Needed on x86_64 by thunk.S */ +#ifndef __UM_DWARF2_H +#define __UM_DWARF2_H + +#include "asm/arch/dwarf2.h" + +#endif diff --git a/arch/um/include/asm/elf-i386.h b/arch/um/include/asm/elf-i386.h new file mode 100644 index 00000000000..d0da9d7c537 --- /dev/null +++ b/arch/um/include/asm/elf-i386.h @@ -0,0 +1,163 @@ +/* + * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) + * Licensed under the GPL + */ +#ifndef __UM_ELF_I386_H +#define __UM_ELF_I386_H + +#include +#include "skas.h" + +#define R_386_NONE 0 +#define R_386_32 1 +#define R_386_PC32 2 +#define R_386_GOT32 3 +#define R_386_PLT32 4 +#define R_386_COPY 5 +#define R_386_GLOB_DAT 6 +#define R_386_JMP_SLOT 7 +#define R_386_RELATIVE 8 +#define R_386_GOTOFF 9 +#define R_386_GOTPC 10 +#define R_386_NUM 11 + +typedef unsigned long elf_greg_t; + +#define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof(elf_greg_t)) +typedef elf_greg_t elf_gregset_t[ELF_NGREG]; + +typedef struct user_i387_struct elf_fpregset_t; + +/* + * This is used to ensure we don't load something for the wrong architecture. + */ +#define elf_check_arch(x) \ + (((x)->e_machine == EM_386) || ((x)->e_machine == EM_486)) + +#define ELF_CLASS ELFCLASS32 +#define ELF_DATA ELFDATA2LSB +#define ELF_ARCH EM_386 + +#define ELF_PLAT_INIT(regs, load_addr) do { \ + PT_REGS_EBX(regs) = 0; \ + PT_REGS_ECX(regs) = 0; \ + PT_REGS_EDX(regs) = 0; \ + PT_REGS_ESI(regs) = 0; \ + PT_REGS_EDI(regs) = 0; \ + PT_REGS_EBP(regs) = 0; \ + PT_REGS_EAX(regs) = 0; \ +} while (0) + +#define USE_ELF_CORE_DUMP +#define ELF_EXEC_PAGESIZE 4096 + +#define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3) + +/* Shamelessly stolen from include/asm-i386/elf.h */ + +#define ELF_CORE_COPY_REGS(pr_reg, regs) do { \ + pr_reg[0] = PT_REGS_EBX(regs); \ + pr_reg[1] = PT_REGS_ECX(regs); \ + pr_reg[2] = PT_REGS_EDX(regs); \ + pr_reg[3] = PT_REGS_ESI(regs); \ + pr_reg[4] = PT_REGS_EDI(regs); \ + pr_reg[5] = PT_REGS_EBP(regs); \ + pr_reg[6] = PT_REGS_EAX(regs); \ + pr_reg[7] = PT_REGS_DS(regs); \ + pr_reg[8] = PT_REGS_ES(regs); \ + /* fake once used fs and gs selectors? */ \ + pr_reg[9] = PT_REGS_DS(regs); \ + pr_reg[10] = PT_REGS_DS(regs); \ + pr_reg[11] = PT_REGS_SYSCALL_NR(regs); \ + pr_reg[12] = PT_REGS_IP(regs); \ + pr_reg[13] = PT_REGS_CS(regs); \ + pr_reg[14] = PT_REGS_EFLAGS(regs); \ + pr_reg[15] = PT_REGS_SP(regs); \ + pr_reg[16] = PT_REGS_SS(regs); \ +} while (0); + +extern int elf_core_copy_fpregs(struct task_struct *t, elf_fpregset_t *fpu); + +#define ELF_CORE_COPY_FPREGS(t, fpu) elf_core_copy_fpregs(t, fpu) + +extern long elf_aux_hwcap; +#define ELF_HWCAP (elf_aux_hwcap) + +extern char * elf_aux_platform; +#define ELF_PLATFORM (elf_aux_platform) + +#define SET_PERSONALITY(ex) do { } while (0) + +extern unsigned long vsyscall_ehdr; +extern unsigned long vsyscall_end; +extern unsigned long __kernel_vsyscall; + +#define VSYSCALL_BASE vsyscall_ehdr +#define VSYSCALL_END vsyscall_end + +/* + * This is the range that is readable by user mode, and things + * acting like user mode such as get_user_pages. + */ +#define FIXADDR_USER_START VSYSCALL_BASE +#define FIXADDR_USER_END VSYSCALL_END + +/* + * Architecture-neutral AT_ values in 0-17, leave some room + * for more of them, start the x86-specific ones at 32. + */ +#define AT_SYSINFO 32 +#define AT_SYSINFO_EHDR 33 + +#define ARCH_DLINFO \ +do { \ + if ( vsyscall_ehdr ) { \ + NEW_AUX_ENT(AT_SYSINFO, __kernel_vsyscall); \ + NEW_AUX_ENT(AT_SYSINFO_EHDR, vsyscall_ehdr); \ + } \ +} while (0) + +/* + * These macros parameterize elf_core_dump in fs/binfmt_elf.c to write out + * extra segments containing the vsyscall DSO contents. Dumping its + * contents makes post-mortem fully interpretable later without matching up + * the same kernel and hardware config to see what PC values meant. + * Dumping its extra ELF program headers includes all the other information + * a debugger needs to easily find how the vsyscall DSO was being used. + */ +#define ELF_CORE_EXTRA_PHDRS \ + (vsyscall_ehdr ? (((struct elfhdr *)vsyscall_ehdr)->e_phnum) : 0 ) + +#define ELF_CORE_WRITE_EXTRA_PHDRS \ +if ( vsyscall_ehdr ) { \ + const struct elfhdr *const ehdrp = (struct elfhdr *)vsyscall_ehdr; \ + const struct elf_phdr *const phdrp = \ + (const struct elf_phdr *) (vsyscall_ehdr + ehdrp->e_phoff); \ + int i; \ + Elf32_Off ofs = 0; \ + for (i = 0; i < ehdrp->e_phnum; ++i) { \ + struct elf_phdr phdr = phdrp[i]; \ + if (phdr.p_type == PT_LOAD) { \ + ofs = phdr.p_offset = offset; \ + offset += phdr.p_filesz; \ + } \ + else \ + phdr.p_offset += ofs; \ + phdr.p_paddr = 0; /* match other core phdrs */ \ + DUMP_WRITE(&phdr, sizeof(phdr)); \ + } \ +} +#define ELF_CORE_WRITE_EXTRA_DATA \ +if ( vsyscall_ehdr ) { \ + const struct elfhdr *const ehdrp = (struct elfhdr *)vsyscall_ehdr; \ + const struct elf_phdr *const phdrp = \ + (const struct elf_phdr *) (vsyscall_ehdr + ehdrp->e_phoff); \ + int i; \ + for (i = 0; i < ehdrp->e_phnum; ++i) { \ + if (phdrp[i].p_type == PT_LOAD) \ + DUMP_WRITE((void *) phdrp[i].p_vaddr, \ + phdrp[i].p_filesz); \ + } \ +} + +#endif diff --git a/arch/um/include/asm/elf-ppc.h b/arch/um/include/asm/elf-ppc.h new file mode 100644 index 00000000000..af9463cd8ce --- /dev/null +++ b/arch/um/include/asm/elf-ppc.h @@ -0,0 +1,53 @@ +#ifndef __UM_ELF_PPC_H +#define __UM_ELF_PPC_H + + +extern long elf_aux_hwcap; +#define ELF_HWCAP (elf_aux_hwcap) + +#define SET_PERSONALITY(ex) do ; while(0) + +#define ELF_EXEC_PAGESIZE 4096 + +#define elf_check_arch(x) (1) + +#ifdef CONFIG_64BIT +#define ELF_CLASS ELFCLASS64 +#else +#define ELF_CLASS ELFCLASS32 +#endif + +#define USE_ELF_CORE_DUMP + +#define R_386_NONE 0 +#define R_386_32 1 +#define R_386_PC32 2 +#define R_386_GOT32 3 +#define R_386_PLT32 4 +#define R_386_COPY 5 +#define R_386_GLOB_DAT 6 +#define R_386_JMP_SLOT 7 +#define R_386_RELATIVE 8 +#define R_386_GOTOFF 9 +#define R_386_GOTPC 10 +#define R_386_NUM 11 + +#define ELF_PLATFORM (0) + +#define ELF_ET_DYN_BASE (0x08000000) + +/* the following stolen from asm-ppc/elf.h */ +#define ELF_NGREG 48 /* includes nip, msr, lr, etc. */ +#define ELF_NFPREG 33 /* includes fpscr */ +/* General registers */ +typedef unsigned long elf_greg_t; +typedef elf_greg_t elf_gregset_t[ELF_NGREG]; + +/* Floating point registers */ +typedef double elf_fpreg_t; +typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG]; + +#define ELF_DATA ELFDATA2MSB +#define ELF_ARCH EM_PPC + +#endif diff --git a/arch/um/include/asm/elf-x86_64.h b/arch/um/include/asm/elf-x86_64.h new file mode 100644 index 00000000000..6e8a9195e95 --- /dev/null +++ b/arch/um/include/asm/elf-x86_64.h @@ -0,0 +1,119 @@ +/* + * Copyright 2003 PathScale, Inc. + * Copyright (C) 2003 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) + * + * Licensed under the GPL + */ +#ifndef __UM_ELF_X86_64_H +#define __UM_ELF_X86_64_H + +#include +#include "skas.h" + +/* x86-64 relocation types, taken from asm-x86_64/elf.h */ +#define R_X86_64_NONE 0 /* No reloc */ +#define R_X86_64_64 1 /* Direct 64 bit */ +#define R_X86_64_PC32 2 /* PC relative 32 bit signed */ +#define R_X86_64_GOT32 3 /* 32 bit GOT entry */ +#define R_X86_64_PLT32 4 /* 32 bit PLT address */ +#define R_X86_64_COPY 5 /* Copy symbol at runtime */ +#define R_X86_64_GLOB_DAT 6 /* Create GOT entry */ +#define R_X86_64_JUMP_SLOT 7 /* Create PLT entry */ +#define R_X86_64_RELATIVE 8 /* Adjust by program base */ +#define R_X86_64_GOTPCREL 9 /* 32 bit signed pc relative + offset to GOT */ +#define R_X86_64_32 10 /* Direct 32 bit zero extended */ +#define R_X86_64_32S 11 /* Direct 32 bit sign extended */ +#define R_X86_64_16 12 /* Direct 16 bit zero extended */ +#define R_X86_64_PC16 13 /* 16 bit sign extended pc relative */ +#define R_X86_64_8 14 /* Direct 8 bit sign extended */ +#define R_X86_64_PC8 15 /* 8 bit sign extended pc relative */ + +#define R_X86_64_NUM 16 + +typedef unsigned long elf_greg_t; + +#define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof(elf_greg_t)) +typedef elf_greg_t elf_gregset_t[ELF_NGREG]; + +typedef struct user_i387_struct elf_fpregset_t; + +/* + * This is used to ensure we don't load something for the wrong architecture. + */ +#define elf_check_arch(x) \ + ((x)->e_machine == EM_X86_64) + +#define ELF_CLASS ELFCLASS64 +#define ELF_DATA ELFDATA2LSB +#define ELF_ARCH EM_X86_64 + +#define ELF_PLAT_INIT(regs, load_addr) do { \ + PT_REGS_RBX(regs) = 0; \ + PT_REGS_RCX(regs) = 0; \ + PT_REGS_RDX(regs) = 0; \ + PT_REGS_RSI(regs) = 0; \ + PT_REGS_RDI(regs) = 0; \ + PT_REGS_RBP(regs) = 0; \ + PT_REGS_RAX(regs) = 0; \ + PT_REGS_R8(regs) = 0; \ + PT_REGS_R9(regs) = 0; \ + PT_REGS_R10(regs) = 0; \ + PT_REGS_R11(regs) = 0; \ + PT_REGS_R12(regs) = 0; \ + PT_REGS_R13(regs) = 0; \ + PT_REGS_R14(regs) = 0; \ + PT_REGS_R15(regs) = 0; \ +} while (0) + +#define ELF_CORE_COPY_REGS(pr_reg, regs) \ + (pr_reg)[0] = (regs)->regs.gp[0]; \ + (pr_reg)[1] = (regs)->regs.gp[1]; \ + (pr_reg)[2] = (regs)->regs.gp[2]; \ + (pr_reg)[3] = (regs)->regs.gp[3]; \ + (pr_reg)[4] = (regs)->regs.gp[4]; \ + (pr_reg)[5] = (regs)->regs.gp[5]; \ + (pr_reg)[6] = (regs)->regs.gp[6]; \ + (pr_reg)[7] = (regs)->regs.gp[7]; \ + (pr_reg)[8] = (regs)->regs.gp[8]; \ + (pr_reg)[9] = (regs)->regs.gp[9]; \ + (pr_reg)[10] = (regs)->regs.gp[10]; \ + (pr_reg)[11] = (regs)->regs.gp[11]; \ + (pr_reg)[12] = (regs)->regs.gp[12]; \ + (pr_reg)[13] = (regs)->regs.gp[13]; \ + (pr_reg)[14] = (regs)->regs.gp[14]; \ + (pr_reg)[15] = (regs)->regs.gp[15]; \ + (pr_reg)[16] = (regs)->regs.gp[16]; \ + (pr_reg)[17] = (regs)->regs.gp[17]; \ + (pr_reg)[18] = (regs)->regs.gp[18]; \ + (pr_reg)[19] = (regs)->regs.gp[19]; \ + (pr_reg)[20] = (regs)->regs.gp[20]; \ + (pr_reg)[21] = current->thread.arch.fs; \ + (pr_reg)[22] = 0; \ + (pr_reg)[23] = 0; \ + (pr_reg)[24] = 0; \ + (pr_reg)[25] = 0; \ + (pr_reg)[26] = 0; + +extern int elf_core_copy_fpregs(struct task_struct *t, elf_fpregset_t *fpu); + +#define ELF_CORE_COPY_FPREGS(t, fpu) elf_core_copy_fpregs(t, fpu) + +#ifdef TIF_IA32 /* XXX */ +#error XXX, indeed + clear_thread_flag(TIF_IA32); +#endif + +#define USE_ELF_CORE_DUMP +#define ELF_EXEC_PAGESIZE 4096 + +#define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3) + +extern long elf_aux_hwcap; +#define ELF_HWCAP (elf_aux_hwcap) + +#define ELF_PLATFORM "x86_64" + +#define SET_PERSONALITY(ex) do ; while(0) + +#endif diff --git a/arch/um/include/asm/emergency-restart.h b/arch/um/include/asm/emergency-restart.h new file mode 100644 index 00000000000..108d8c48e42 --- /dev/null +++ b/arch/um/include/asm/emergency-restart.h @@ -0,0 +1,6 @@ +#ifndef _ASM_EMERGENCY_RESTART_H +#define _ASM_EMERGENCY_RESTART_H + +#include + +#endif /* _ASM_EMERGENCY_RESTART_H */ diff --git a/arch/um/include/asm/errno.h b/arch/um/include/asm/errno.h new file mode 100644 index 00000000000..b7a9e37fd8d --- /dev/null +++ b/arch/um/include/asm/errno.h @@ -0,0 +1,6 @@ +#ifndef __UM_ERRNO_H +#define __UM_ERRNO_H + +#include "asm/arch/errno.h" + +#endif diff --git a/arch/um/include/asm/fcntl.h b/arch/um/include/asm/fcntl.h new file mode 100644 index 00000000000..812a65446d9 --- /dev/null +++ b/arch/um/include/asm/fcntl.h @@ -0,0 +1,6 @@ +#ifndef __UM_FCNTL_H +#define __UM_FCNTL_H + +#include "asm/arch/fcntl.h" + +#endif diff --git a/arch/um/include/asm/fixmap.h b/arch/um/include/asm/fixmap.h new file mode 100644 index 00000000000..9d2be52b865 --- /dev/null +++ b/arch/um/include/asm/fixmap.h @@ -0,0 +1,98 @@ +#ifndef __UM_FIXMAP_H +#define __UM_FIXMAP_H + +#include +#include +#include +#include +#include + +/* + * Here we define all the compile-time 'special' virtual + * addresses. The point is to have a constant address at + * compile time, but to set the physical address only + * in the boot process. We allocate these special addresses + * from the end of virtual memory (0xfffff000) backwards. + * Also this lets us do fail-safe vmalloc(), we + * can guarantee that these special addresses and + * vmalloc()-ed addresses never overlap. + * + * these 'compile-time allocated' memory buffers are + * fixed-size 4k pages. (or larger if used with an increment + * highger than 1) use fixmap_set(idx,phys) to associate + * physical memory with fixmap indices. + * + * TLB entries of such buffers will not be flushed across + * task switches. + */ + +/* + * on UP currently we will have no trace of the fixmap mechanizm, + * no page table allocations, etc. This might change in the + * future, say framebuffers for the console driver(s) could be + * fix-mapped? + */ +enum fixed_addresses { +#ifdef CONFIG_HIGHMEM + FIX_KMAP_BEGIN, /* reserved pte's for temporary kernel mappings */ + FIX_KMAP_END = FIX_KMAP_BEGIN+(KM_TYPE_NR*NR_CPUS)-1, +#endif + __end_of_fixed_addresses +}; + +extern void __set_fixmap (enum fixed_addresses idx, + unsigned long phys, pgprot_t flags); + +#define set_fixmap(idx, phys) \ + __set_fixmap(idx, phys, PAGE_KERNEL) +/* + * Some hardware wants to get fixmapped without caching. + */ +#define set_fixmap_nocache(idx, phys) \ + __set_fixmap(idx, phys, PAGE_KERNEL_NOCACHE) +/* + * used by vmalloc.c. + * + * Leave one empty page between vmalloc'ed areas and + * the start of the fixmap, and leave one page empty + * at the top of mem.. + */ + +#define FIXADDR_TOP (TASK_SIZE - 2 * PAGE_SIZE) +#define FIXADDR_SIZE (__end_of_fixed_addresses << PAGE_SHIFT) +#define FIXADDR_START (FIXADDR_TOP - FIXADDR_SIZE) + +#define __fix_to_virt(x) (FIXADDR_TOP - ((x) << PAGE_SHIFT)) +#define __virt_to_fix(x) ((FIXADDR_TOP - ((x)&PAGE_MASK)) >> PAGE_SHIFT) + +extern void __this_fixmap_does_not_exist(void); + +/* + * 'index to address' translation. If anyone tries to use the idx + * directly without tranlation, we catch the bug with a NULL-deference + * kernel oops. Illegal ranges of incoming indices are caught too. + */ +static inline unsigned long fix_to_virt(const unsigned int idx) +{ + /* + * this branch gets completely eliminated after inlining, + * except when someone tries to use fixaddr indices in an + * illegal way. (such as mixing up address types or using + * out-of-range indices). + * + * If it doesn't get removed, the linker will complain + * loudly with a reasonably clear error message.. + */ + if (idx >= __end_of_fixed_addresses) + __this_fixmap_does_not_exist(); + + return __fix_to_virt(idx); +} + +static inline unsigned long virt_to_fix(const unsigned long vaddr) +{ + BUG_ON(vaddr >= FIXADDR_TOP || vaddr < FIXADDR_START); + return __virt_to_fix(vaddr); +} + +#endif diff --git a/arch/um/include/asm/floppy.h b/arch/um/include/asm/floppy.h new file mode 100644 index 00000000000..453e7415fb6 --- /dev/null +++ b/arch/um/include/asm/floppy.h @@ -0,0 +1,6 @@ +#ifndef __UM_FLOPPY_H +#define __UM_FLOPPY_H + +#include "asm/arch/floppy.h" + +#endif diff --git a/arch/um/include/asm/frame.h b/arch/um/include/asm/frame.h new file mode 100644 index 00000000000..8a8c1cb415b --- /dev/null +++ b/arch/um/include/asm/frame.h @@ -0,0 +1,6 @@ +#ifndef __UM_FRAME_I +#define __UM_FRAME_I + +#include "asm/arch/frame.h" + +#endif diff --git a/arch/um/include/asm/futex.h b/arch/um/include/asm/futex.h new file mode 100644 index 00000000000..6a332a9f099 --- /dev/null +++ b/arch/um/include/asm/futex.h @@ -0,0 +1,6 @@ +#ifndef _ASM_FUTEX_H +#define _ASM_FUTEX_H + +#include + +#endif diff --git a/arch/um/include/asm/hardirq.h b/arch/um/include/asm/hardirq.h new file mode 100644 index 00000000000..313ebb8a256 --- /dev/null +++ b/arch/um/include/asm/hardirq.h @@ -0,0 +1,25 @@ +/* (c) 2004 cw@f00f.org, GPLv2 blah blah */ + +#ifndef __ASM_UM_HARDIRQ_H +#define __ASM_UM_HARDIRQ_H + +#include +#include + +/* NOTE: When SMP works again we might want to make this + * ____cacheline_aligned or maybe use per_cpu state? --cw */ +typedef struct { + unsigned int __softirq_pending; +} irq_cpustat_t; + +#include + +/* As this would be very strange for UML to get we BUG() after the + * printk. */ +static inline void ack_bad_irq(unsigned int irq) +{ + printk(KERN_ERR "unexpected IRQ %02x\n", irq); + BUG(); +} + +#endif /* __ASM_UM_HARDIRQ_H */ diff --git a/arch/um/include/asm/highmem.h b/arch/um/include/asm/highmem.h new file mode 100644 index 00000000000..36974cb8abc --- /dev/null +++ b/arch/um/include/asm/highmem.h @@ -0,0 +1,12 @@ +#ifndef __UM_HIGHMEM_H +#define __UM_HIGHMEM_H + +#include "asm/page.h" +#include "asm/fixmap.h" +#include "asm/arch/highmem.h" + +#undef PKMAP_BASE + +#define PKMAP_BASE ((FIXADDR_START - LAST_PKMAP * PAGE_SIZE) & PMD_MASK) + +#endif diff --git a/arch/um/include/asm/host_ldt-i386.h b/arch/um/include/asm/host_ldt-i386.h new file mode 100644 index 00000000000..b27cb0a9dd3 --- /dev/null +++ b/arch/um/include/asm/host_ldt-i386.h @@ -0,0 +1,34 @@ +#ifndef __ASM_HOST_LDT_I386_H +#define __ASM_HOST_LDT_I386_H + +#include "asm/arch/ldt.h" + +/* + * macros stolen from include/asm-i386/desc.h + */ +#define LDT_entry_a(info) \ + ((((info)->base_addr & 0x0000ffff) << 16) | ((info)->limit & 0x0ffff)) + +#define LDT_entry_b(info) \ + (((info)->base_addr & 0xff000000) | \ + (((info)->base_addr & 0x00ff0000) >> 16) | \ + ((info)->limit & 0xf0000) | \ + (((info)->read_exec_only ^ 1) << 9) | \ + ((info)->contents << 10) | \ + (((info)->seg_not_present ^ 1) << 15) | \ + ((info)->seg_32bit << 22) | \ + ((info)->limit_in_pages << 23) | \ + ((info)->useable << 20) | \ + 0x7000) + +#define LDT_empty(info) (\ + (info)->base_addr == 0 && \ + (info)->limit == 0 && \ + (info)->contents == 0 && \ + (info)->read_exec_only == 1 && \ + (info)->seg_32bit == 0 && \ + (info)->limit_in_pages == 0 && \ + (info)->seg_not_present == 1 && \ + (info)->useable == 0 ) + +#endif diff --git a/arch/um/include/asm/host_ldt-x86_64.h b/arch/um/include/asm/host_ldt-x86_64.h new file mode 100644 index 00000000000..74a63f7d9a9 --- /dev/null +++ b/arch/um/include/asm/host_ldt-x86_64.h @@ -0,0 +1,38 @@ +#ifndef __ASM_HOST_LDT_X86_64_H +#define __ASM_HOST_LDT_X86_64_H + +#include "asm/arch/ldt.h" + +/* + * macros stolen from include/asm-x86_64/desc.h + */ +#define LDT_entry_a(info) \ + ((((info)->base_addr & 0x0000ffff) << 16) | ((info)->limit & 0x0ffff)) + +/* Don't allow setting of the lm bit. It is useless anyways because + * 64bit system calls require __USER_CS. */ +#define LDT_entry_b(info) \ + (((info)->base_addr & 0xff000000) | \ + (((info)->base_addr & 0x00ff0000) >> 16) | \ + ((info)->limit & 0xf0000) | \ + (((info)->read_exec_only ^ 1) << 9) | \ + ((info)->contents << 10) | \ + (((info)->seg_not_present ^ 1) << 15) | \ + ((info)->seg_32bit << 22) | \ + ((info)->limit_in_pages << 23) | \ + ((info)->useable << 20) | \ + /* ((info)->lm << 21) | */ \ + 0x7000) + +#define LDT_empty(info) (\ + (info)->base_addr == 0 && \ + (info)->limit == 0 && \ + (info)->contents == 0 && \ + (info)->read_exec_only == 1 && \ + (info)->seg_32bit == 0 && \ + (info)->limit_in_pages == 0 && \ + (info)->seg_not_present == 1 && \ + (info)->useable == 0 && \ + (info)->lm == 0) + +#endif diff --git a/arch/um/include/asm/hw_irq.h b/arch/um/include/asm/hw_irq.h new file mode 100644 index 00000000000..1cf84cf5f21 --- /dev/null +++ b/arch/um/include/asm/hw_irq.h @@ -0,0 +1,7 @@ +#ifndef _ASM_UM_HW_IRQ_H +#define _ASM_UM_HW_IRQ_H + +#include "asm/irq.h" +#include "asm/archparam.h" + +#endif diff --git a/arch/um/include/asm/ide.h b/arch/um/include/asm/ide.h new file mode 100644 index 00000000000..3d1ccebcfba --- /dev/null +++ b/arch/um/include/asm/ide.h @@ -0,0 +1,6 @@ +#ifndef __UM_IDE_H +#define __UM_IDE_H + +#include "asm/arch/ide.h" + +#endif diff --git a/arch/um/include/asm/io.h b/arch/um/include/asm/io.h new file mode 100644 index 00000000000..44e8b8c772a --- /dev/null +++ b/arch/um/include/asm/io.h @@ -0,0 +1,57 @@ +#ifndef __UM_IO_H +#define __UM_IO_H + +#include "asm/page.h" + +#define IO_SPACE_LIMIT 0xdeadbeef /* Sure hope nothing uses this */ + +static inline int inb(unsigned long i) { return(0); } +static inline void outb(char c, unsigned long i) { } + +/* + * Change virtual addresses to physical addresses and vv. + * These are pretty trivial + */ +static inline unsigned long virt_to_phys(volatile void * address) +{ + return __pa((void *) address); +} + +static inline void * phys_to_virt(unsigned long address) +{ + return __va(address); +} + +/* + * Convert a physical pointer to a virtual kernel pointer for /dev/mem + * access + */ +#define xlate_dev_mem_ptr(p) __va(p) + +/* + * Convert a virtual cached pointer to an uncached pointer + */ +#define xlate_dev_kmem_ptr(p) p + +static inline void writeb(unsigned char b, volatile void __iomem *addr) +{ + *(volatile unsigned char __force *) addr = b; +} +static inline void writew(unsigned short b, volatile void __iomem *addr) +{ + *(volatile unsigned short __force *) addr = b; +} +static inline void writel(unsigned int b, volatile void __iomem *addr) +{ + *(volatile unsigned int __force *) addr = b; +} +static inline void writeq(unsigned int b, volatile void __iomem *addr) +{ + *(volatile unsigned long long __force *) addr = b; +} +#define __raw_writeb writeb +#define __raw_writew writew +#define __raw_writel writel +#define __raw_writeq writeq + +#endif diff --git a/arch/um/include/asm/ioctl.h b/arch/um/include/asm/ioctl.h new file mode 100644 index 00000000000..cc22157346d --- /dev/null +++ b/arch/um/include/asm/ioctl.h @@ -0,0 +1,6 @@ +#ifndef __UM_IOCTL_H +#define __UM_IOCTL_H + +#include "asm/arch/ioctl.h" + +#endif diff --git a/arch/um/include/asm/ioctls.h b/arch/um/include/asm/ioctls.h new file mode 100644 index 00000000000..9a1a017de6a --- /dev/null +++ b/arch/um/include/asm/ioctls.h @@ -0,0 +1,6 @@ +#ifndef __UM_IOCTLS_H +#define __UM_IOCTLS_H + +#include "asm/arch/ioctls.h" + +#endif diff --git a/arch/um/include/asm/ipcbuf.h b/arch/um/include/asm/ipcbuf.h new file mode 100644 index 00000000000..bb2ad31dc43 --- /dev/null +++ b/arch/um/include/asm/ipcbuf.h @@ -0,0 +1,6 @@ +#ifndef __UM_IPCBUF_H +#define __UM_IPCBUF_H + +#include "asm/arch/ipcbuf.h" + +#endif diff --git a/arch/um/include/asm/irq.h b/arch/um/include/asm/irq.h new file mode 100644 index 00000000000..4a2037f8204 --- /dev/null +++ b/arch/um/include/asm/irq.h @@ -0,0 +1,23 @@ +#ifndef __UM_IRQ_H +#define __UM_IRQ_H + +#define TIMER_IRQ 0 +#define UMN_IRQ 1 +#define CONSOLE_IRQ 2 +#define CONSOLE_WRITE_IRQ 3 +#define UBD_IRQ 4 +#define UM_ETH_IRQ 5 +#define SSL_IRQ 6 +#define SSL_WRITE_IRQ 7 +#define ACCEPT_IRQ 8 +#define MCONSOLE_IRQ 9 +#define WINCH_IRQ 10 +#define SIGIO_WRITE_IRQ 11 +#define TELNETD_IRQ 12 +#define XTERM_IRQ 13 +#define RANDOM_IRQ 14 + +#define LAST_IRQ RANDOM_IRQ +#define NR_IRQS (LAST_IRQ + 1) + +#endif diff --git a/arch/um/include/asm/irq_regs.h b/arch/um/include/asm/irq_regs.h new file mode 100644 index 00000000000..3dd9c0b7027 --- /dev/null +++ b/arch/um/include/asm/irq_regs.h @@ -0,0 +1 @@ +#include diff --git a/arch/um/include/asm/irq_vectors.h b/arch/um/include/asm/irq_vectors.h new file mode 100644 index 00000000000..62ddba6fc73 --- /dev/null +++ b/arch/um/include/asm/irq_vectors.h @@ -0,0 +1,20 @@ +/* + * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) + * Licensed under the GPL + */ + +#ifndef __UM_IRQ_VECTORS_H +#define __UM_IRQ_VECTORS_H + +#endif + +/* + * Overrides for Emacs so that we follow Linus's tabbing style. + * Emacs will notice this stuff at the end of the file and automatically + * adjust the settings for this buffer only. This must remain at the end + * of the file. + * --------------------------------------------------------------------------- + * Local variables: + * c-file-style: "linux" + * End: + */ diff --git a/arch/um/include/asm/irqflags.h b/arch/um/include/asm/irqflags.h new file mode 100644 index 00000000000..659b9abdfdb --- /dev/null +++ b/arch/um/include/asm/irqflags.h @@ -0,0 +1,6 @@ +#ifndef __UM_IRQFLAGS_H +#define __UM_IRQFLAGS_H + +/* Empty for now */ + +#endif diff --git a/arch/um/include/asm/kdebug.h b/arch/um/include/asm/kdebug.h new file mode 100644 index 00000000000..6ece1b03766 --- /dev/null +++ b/arch/um/include/asm/kdebug.h @@ -0,0 +1 @@ +#include diff --git a/arch/um/include/asm/kmap_types.h b/arch/um/include/asm/kmap_types.h new file mode 100644 index 00000000000..6c03acdb440 --- /dev/null +++ b/arch/um/include/asm/kmap_types.h @@ -0,0 +1,29 @@ +/* + * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) + * Licensed under the GPL + */ + +#ifndef __UM_KMAP_TYPES_H +#define __UM_KMAP_TYPES_H + +/* No more #include "asm/arch/kmap_types.h" ! */ + +enum km_type { + KM_BOUNCE_READ, + KM_SKB_SUNRPC_DATA, + KM_SKB_DATA_SOFTIRQ, + KM_USER0, + KM_USER1, + KM_UML_USERCOPY, /* UML specific, for copy_*_user - used in do_op_one_page */ + KM_BIO_SRC_IRQ, + KM_BIO_DST_IRQ, + KM_PTE0, + KM_PTE1, + KM_IRQ0, + KM_IRQ1, + KM_SOFTIRQ0, + KM_SOFTIRQ1, + KM_TYPE_NR +}; + +#endif diff --git a/arch/um/include/asm/ldt.h b/arch/um/include/asm/ldt.h new file mode 100644 index 00000000000..52af512f5e7 --- /dev/null +++ b/arch/um/include/asm/ldt.h @@ -0,0 +1,37 @@ +/* + * Copyright (C) 2004 Fujitsu Siemens Computers GmbH + * Licensed under the GPL + * + * Author: Bodo Stroesser + */ + +#ifndef __ASM_LDT_H +#define __ASM_LDT_H + +#include +#include "asm/host_ldt.h" + +extern void ldt_host_info(void); + +#define LDT_PAGES_MAX \ + ((LDT_ENTRIES * LDT_ENTRY_SIZE)/PAGE_SIZE) +#define LDT_ENTRIES_PER_PAGE \ + (PAGE_SIZE/LDT_ENTRY_SIZE) +#define LDT_DIRECT_ENTRIES \ + ((LDT_PAGES_MAX*sizeof(void *))/LDT_ENTRY_SIZE) + +struct ldt_entry { + __u32 a; + __u32 b; +}; + +typedef struct uml_ldt { + int entry_count; + struct mutex lock; + union { + struct ldt_entry * pages[LDT_PAGES_MAX]; + struct ldt_entry entries[LDT_DIRECT_ENTRIES]; + } u; +} uml_ldt_t; + +#endif diff --git a/arch/um/include/asm/linkage.h b/arch/um/include/asm/linkage.h new file mode 100644 index 00000000000..7dfce37adc8 --- /dev/null +++ b/arch/um/include/asm/linkage.h @@ -0,0 +1,6 @@ +#ifndef __ASM_UM_LINKAGE_H +#define __ASM_UM_LINKAGE_H + +#include "asm/arch/linkage.h" + +#endif diff --git a/arch/um/include/asm/local.h b/arch/um/include/asm/local.h new file mode 100644 index 00000000000..9a280c5bb60 --- /dev/null +++ b/arch/um/include/asm/local.h @@ -0,0 +1,6 @@ +#ifndef __UM_LOCAL_H +#define __UM_LOCAL_H + +#include "asm/arch/local.h" + +#endif diff --git a/arch/um/include/asm/locks.h b/arch/um/include/asm/locks.h new file mode 100644 index 00000000000..f80030a3ef5 --- /dev/null +++ b/arch/um/include/asm/locks.h @@ -0,0 +1,6 @@ +#ifndef __UM_LOCKS_H +#define __UM_LOCKS_H + +#include "asm/arch/locks.h" + +#endif diff --git a/arch/um/include/asm/mca_dma.h b/arch/um/include/asm/mca_dma.h new file mode 100644 index 00000000000..e492e4ec139 --- /dev/null +++ b/arch/um/include/asm/mca_dma.h @@ -0,0 +1,6 @@ +#ifndef mca___UM_DMA_H +#define mca___UM_DMA_H + +#include "asm/arch/mca_dma.h" + +#endif diff --git a/arch/um/include/asm/mman.h b/arch/um/include/asm/mman.h new file mode 100644 index 00000000000..b09ed523019 --- /dev/null +++ b/arch/um/include/asm/mman.h @@ -0,0 +1,6 @@ +#ifndef __UM_MMAN_H +#define __UM_MMAN_H + +#include "asm/arch/mman.h" + +#endif diff --git a/arch/um/include/asm/mmu.h b/arch/um/include/asm/mmu.h new file mode 100644 index 00000000000..2cf35c21d69 --- /dev/null +++ b/arch/um/include/asm/mmu.h @@ -0,0 +1,22 @@ +/* + * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) + * Licensed under the GPL + */ + +#ifndef __MMU_H +#define __MMU_H + +#include "um_mmu.h" + +#endif + +/* + * Overrides for Emacs so that we follow Linus's tabbing style. + * Emacs will notice this stuff at the end of the file and automatically + * adjust the settings for this buffer only. This must remain at the end + * of the file. + * --------------------------------------------------------------------------- + * Local variables: + * c-file-style: "linux" + * End: + */ diff --git a/arch/um/include/asm/mmu_context.h b/arch/um/include/asm/mmu_context.h new file mode 100644 index 00000000000..54f42e8b010 --- /dev/null +++ b/arch/um/include/asm/mmu_context.h @@ -0,0 +1,54 @@ +/* + * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) + * Licensed under the GPL + */ + +#ifndef __UM_MMU_CONTEXT_H +#define __UM_MMU_CONTEXT_H + +#include "linux/sched.h" +#include "um_mmu.h" + +extern void arch_dup_mmap(struct mm_struct *oldmm, struct mm_struct *mm); +extern void arch_exit_mmap(struct mm_struct *mm); + +#define get_mmu_context(task) do ; while(0) +#define activate_context(tsk) do ; while(0) + +#define deactivate_mm(tsk,mm) do { } while (0) + +extern void force_flush_all(void); + +static inline void activate_mm(struct mm_struct *old, struct mm_struct *new) +{ + /* + * This is called by fs/exec.c and sys_unshare() + * when the new ->mm is used for the first time. + */ + __switch_mm(&new->context.id); + arch_dup_mmap(old, new); +} + +static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, + struct task_struct *tsk) +{ + unsigned cpu = smp_processor_id(); + + if(prev != next){ + cpu_clear(cpu, prev->cpu_vm_mask); + cpu_set(cpu, next->cpu_vm_mask); + if(next != &init_mm) + __switch_mm(&next->context.id); + } +} + +static inline void enter_lazy_tlb(struct mm_struct *mm, + struct task_struct *tsk) +{ +} + +extern int init_new_context(struct task_struct *task, struct mm_struct *mm); + +extern void destroy_context(struct mm_struct *mm); + +#endif diff --git a/arch/um/include/asm/module-generic.h b/arch/um/include/asm/module-generic.h new file mode 100644 index 00000000000..5a265f56b17 --- /dev/null +++ b/arch/um/include/asm/module-generic.h @@ -0,0 +1,6 @@ +#ifndef __UM_MODULE_GENERIC_H +#define __UM_MODULE_GENERIC_H + +#include "asm/arch/module.h" + +#endif diff --git a/arch/um/include/asm/module-i386.h b/arch/um/include/asm/module-i386.h new file mode 100644 index 00000000000..5ead4a0b2e3 --- /dev/null +++ b/arch/um/include/asm/module-i386.h @@ -0,0 +1,13 @@ +#ifndef __UM_MODULE_I386_H +#define __UM_MODULE_I386_H + +/* UML is simple */ +struct mod_arch_specific +{ +}; + +#define Elf_Shdr Elf32_Shdr +#define Elf_Sym Elf32_Sym +#define Elf_Ehdr Elf32_Ehdr + +#endif diff --git a/arch/um/include/asm/module-x86_64.h b/arch/um/include/asm/module-x86_64.h new file mode 100644 index 00000000000..35b5491d3e9 --- /dev/null +++ b/arch/um/include/asm/module-x86_64.h @@ -0,0 +1,30 @@ +/* + * Copyright 2003 PathScale, Inc. + * + * Licensed under the GPL + */ + +#ifndef __UM_MODULE_X86_64_H +#define __UM_MODULE_X86_64_H + +/* UML is simple */ +struct mod_arch_specific +{ +}; + +#define Elf_Shdr Elf64_Shdr +#define Elf_Sym Elf64_Sym +#define Elf_Ehdr Elf64_Ehdr + +#endif + +/* + * Overrides for Emacs so that we follow Linus's tabbing style. + * Emacs will notice this stuff at the end of the file and automatically + * adjust the settings for this buffer only. This must remain at the end + * of the file. + * --------------------------------------------------------------------------- + * Local variables: + * c-file-style: "linux" + * End: + */ diff --git a/arch/um/include/asm/msgbuf.h b/arch/um/include/asm/msgbuf.h new file mode 100644 index 00000000000..8ce8c30d537 --- /dev/null +++ b/arch/um/include/asm/msgbuf.h @@ -0,0 +1,6 @@ +#ifndef __UM_MSGBUF_H +#define __UM_MSGBUF_H + +#include "asm/arch/msgbuf.h" + +#endif diff --git a/arch/um/include/asm/mtrr.h b/arch/um/include/asm/mtrr.h new file mode 100644 index 00000000000..5e9cd12c578 --- /dev/null +++ b/arch/um/include/asm/mtrr.h @@ -0,0 +1,6 @@ +#ifndef __UM_MTRR_H +#define __UM_MTRR_H + +#include "asm/arch/mtrr.h" + +#endif diff --git a/arch/um/include/asm/mutex.h b/arch/um/include/asm/mutex.h new file mode 100644 index 00000000000..458c1f7fbc1 --- /dev/null +++ b/arch/um/include/asm/mutex.h @@ -0,0 +1,9 @@ +/* + * Pull in the generic implementation for the mutex fastpath. + * + * TODO: implement optimized primitives instead, or leave the generic + * implementation in place, or pick the atomic_xchg() based generic + * implementation. (see asm-generic/mutex-xchg.h for details) + */ + +#include diff --git a/arch/um/include/asm/nops.h b/arch/um/include/asm/nops.h new file mode 100644 index 00000000000..814e9bf5dea --- /dev/null +++ b/arch/um/include/asm/nops.h @@ -0,0 +1,6 @@ +#ifndef __UM_NOPS_H +#define __UM_NOPS_H + +#include "asm/arch/nops.h" + +#endif diff --git a/arch/um/include/asm/page.h b/arch/um/include/asm/page.h new file mode 100644 index 00000000000..a6df1f13d73 --- /dev/null +++ b/arch/um/include/asm/page.h @@ -0,0 +1,122 @@ +/* + * Copyright (C) 2000 - 2003 Jeff Dike (jdike@addtoit.com) + * Copyright 2003 PathScale, Inc. + * Licensed under the GPL + */ + +#ifndef __UM_PAGE_H +#define __UM_PAGE_H + +#include + +/* PAGE_SHIFT determines the page size */ +#define PAGE_SHIFT 12 +#define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT) +#define PAGE_MASK (~(PAGE_SIZE-1)) + +#ifndef __ASSEMBLY__ + +struct page; + +#include +#include + +/* + * These are used to make use of C type-checking.. + */ + +#define clear_page(page) memset((void *)(page), 0, PAGE_SIZE) +#define copy_page(to,from) memcpy((void *)(to), (void *)(from), PAGE_SIZE) + +#define clear_user_page(page, vaddr, pg) clear_page(page) +#define copy_user_page(to, from, vaddr, pg) copy_page(to, from) + +#if defined(CONFIG_3_LEVEL_PGTABLES) && !defined(CONFIG_64BIT) + +typedef struct { unsigned long pte_low, pte_high; } pte_t; +typedef struct { unsigned long pmd; } pmd_t; +typedef struct { unsigned long pgd; } pgd_t; +#define pte_val(x) ((x).pte_low | ((unsigned long long) (x).pte_high << 32)) + +#define pte_get_bits(pte, bits) ((pte).pte_low & (bits)) +#define pte_set_bits(pte, bits) ((pte).pte_low |= (bits)) +#define pte_clear_bits(pte, bits) ((pte).pte_low &= ~(bits)) +#define pte_copy(to, from) ({ (to).pte_high = (from).pte_high; \ + smp_wmb(); \ + (to).pte_low = (from).pte_low; }) +#define pte_is_zero(pte) (!((pte).pte_low & ~_PAGE_NEWPAGE) && !(pte).pte_high) +#define pte_set_val(pte, phys, prot) \ + ({ (pte).pte_high = (phys) >> 32; \ + (pte).pte_low = (phys) | pgprot_val(prot); }) + +#define pmd_val(x) ((x).pmd) +#define __pmd(x) ((pmd_t) { (x) } ) + +typedef unsigned long long pfn_t; +typedef unsigned long long phys_t; + +#else + +typedef struct { unsigned long pte; } pte_t; +typedef struct { unsigned long pgd; } pgd_t; + +#ifdef CONFIG_3_LEVEL_PGTABLES +typedef struct { unsigned long pmd; } pmd_t; +#define pmd_val(x) ((x).pmd) +#define __pmd(x) ((pmd_t) { (x) } ) +#endif + +#define pte_val(x) ((x).pte) + + +#define pte_get_bits(p, bits) ((p).pte & (bits)) +#define pte_set_bits(p, bits) ((p).pte |= (bits)) +#define pte_clear_bits(p, bits) ((p).pte &= ~(bits)) +#define pte_copy(to, from) ((to).pte = (from).pte) +#define pte_is_zero(p) (!((p).pte & ~_PAGE_NEWPAGE)) +#define pte_set_val(p, phys, prot) (p).pte = (phys | pgprot_val(prot)) + +typedef unsigned long pfn_t; +typedef unsigned long phys_t; + +#endif + +typedef struct { unsigned long pgprot; } pgprot_t; + +typedef struct page *pgtable_t; + +#define pgd_val(x) ((x).pgd) +#define pgprot_val(x) ((x).pgprot) + +#define __pte(x) ((pte_t) { (x) } ) +#define __pgd(x) ((pgd_t) { (x) } ) +#define __pgprot(x) ((pgprot_t) { (x) } ) + +extern unsigned long uml_physmem; + +#define PAGE_OFFSET (uml_physmem) +#define KERNELBASE PAGE_OFFSET + +#define __va_space (8*1024*1024) + +#include "mem.h" + +/* Cast to unsigned long before casting to void * to avoid a warning from + * mmap_kmem about cutting a long long down to a void *. Not sure that + * casting is the right thing, but 32-bit UML can't have 64-bit virtual + * addresses + */ +#define __pa(virt) to_phys((void *) (unsigned long) (virt)) +#define __va(phys) to_virt((unsigned long) (phys)) + +#define phys_to_pfn(p) ((pfn_t) ((p) >> PAGE_SHIFT)) +#define pfn_to_phys(pfn) ((phys_t) ((pfn) << PAGE_SHIFT)) + +#define pfn_valid(pfn) ((pfn) < max_mapnr) +#define virt_addr_valid(v) pfn_valid(phys_to_pfn(__pa(v))) + +#include +#include + +#endif /* __ASSEMBLY__ */ +#endif /* __UM_PAGE_H */ diff --git a/arch/um/include/asm/page_offset.h b/arch/um/include/asm/page_offset.h new file mode 100644 index 00000000000..1c168dfbf35 --- /dev/null +++ b/arch/um/include/asm/page_offset.h @@ -0,0 +1 @@ +#define PAGE_OFFSET_RAW (uml_physmem) diff --git a/arch/um/include/asm/param.h b/arch/um/include/asm/param.h new file mode 100644 index 00000000000..e44f4e60d16 --- /dev/null +++ b/arch/um/include/asm/param.h @@ -0,0 +1,20 @@ +#ifndef _UM_PARAM_H +#define _UM_PARAM_H + +#define EXEC_PAGESIZE 4096 + +#ifndef NOGROUP +#define NOGROUP (-1) +#endif + +#define MAXHOSTNAMELEN 64 /* max length of hostname */ + +#ifdef __KERNEL__ +#define HZ CONFIG_HZ +#define USER_HZ 100 /* .. some user interfaces are in "ticks" */ +#define CLOCKS_PER_SEC (USER_HZ) /* frequency at which times() counts */ +#else +#define HZ 100 +#endif + +#endif diff --git a/arch/um/include/asm/paravirt.h b/arch/um/include/asm/paravirt.h new file mode 100644 index 00000000000..9d6aaad80b5 --- /dev/null +++ b/arch/um/include/asm/paravirt.h @@ -0,0 +1,6 @@ +#ifndef __UM_PARAVIRT_H +#define __UM_PARAVIRT_H + +#include "asm/arch/paravirt.h" + +#endif diff --git a/arch/um/include/asm/pci.h b/arch/um/include/asm/pci.h new file mode 100644 index 00000000000..59923199cdc --- /dev/null +++ b/arch/um/include/asm/pci.h @@ -0,0 +1,7 @@ +#ifndef __UM_PCI_H +#define __UM_PCI_H + +#define PCI_DMA_BUS_IS_PHYS (1) +#define pcibios_scan_all_fns(a, b) 0 + +#endif diff --git a/arch/um/include/asm/pda.h b/arch/um/include/asm/pda.h new file mode 100644 index 00000000000..0d8bf33ffd4 --- /dev/null +++ b/arch/um/include/asm/pda.h @@ -0,0 +1,31 @@ +/* + * Copyright 2003 PathScale, Inc. + * + * Licensed under the GPL + */ + +#ifndef __UM_PDA_X86_64_H +#define __UM_PDA_X86_64_H + +/* XXX */ +struct foo { + unsigned int __softirq_pending; + unsigned int __nmi_count; +}; + +extern struct foo me; + +#define read_pda(me) (&me) + +#endif + +/* + * Overrides for Emacs so that we follow Linus's tabbing style. + * Emacs will notice this stuff at the end of the file and automatically + * adjust the settings for this buffer only. This must remain at the end + * of the file. + * --------------------------------------------------------------------------- + * Local variables: + * c-file-style: "linux" + * End: + */ diff --git a/arch/um/include/asm/percpu.h b/arch/um/include/asm/percpu.h new file mode 100644 index 00000000000..5723e2aab8e --- /dev/null +++ b/arch/um/include/asm/percpu.h @@ -0,0 +1,6 @@ +#ifndef __UM_PERCPU_H +#define __UM_PERCPU_H + +#include "asm/arch/percpu.h" + +#endif diff --git a/arch/um/include/asm/pgalloc.h b/arch/um/include/asm/pgalloc.h new file mode 100644 index 00000000000..9062a6e7224 --- /dev/null +++ b/arch/um/include/asm/pgalloc.h @@ -0,0 +1,72 @@ +/* + * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com) + * Copyright 2003 PathScale, Inc. + * Derived from include/asm-i386/pgalloc.h and include/asm-i386/pgtable.h + * Licensed under the GPL + */ + +#ifndef __UM_PGALLOC_H +#define __UM_PGALLOC_H + +#include "linux/mm.h" +#include "asm/fixmap.h" + +#define pmd_populate_kernel(mm, pmd, pte) \ + set_pmd(pmd, __pmd(_PAGE_TABLE + (unsigned long) __pa(pte))) + +#define pmd_populate(mm, pmd, pte) \ + set_pmd(pmd, __pmd(_PAGE_TABLE + \ + ((unsigned long long)page_to_pfn(pte) << \ + (unsigned long long) PAGE_SHIFT))) +#define pmd_pgtable(pmd) pmd_page(pmd) + +/* + * Allocate and free page tables. + */ +extern pgd_t *pgd_alloc(struct mm_struct *); +extern void pgd_free(struct mm_struct *mm, pgd_t *pgd); + +extern pte_t *pte_alloc_one_kernel(struct mm_struct *, unsigned long); +extern pgtable_t pte_alloc_one(struct mm_struct *, unsigned long); + +static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) +{ + free_page((unsigned long) pte); +} + +static inline void pte_free(struct mm_struct *mm, pgtable_t pte) +{ + pgtable_page_dtor(pte); + __free_page(pte); +} + +#define __pte_free_tlb(tlb,pte) \ +do { \ + pgtable_page_dtor(pte); \ + tlb_remove_page((tlb),(pte)); \ +} while (0) + +#ifdef CONFIG_3_LEVEL_PGTABLES + +static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd) +{ + free_page((unsigned long)pmd); +} + +#define __pmd_free_tlb(tlb,x) tlb_remove_page((tlb),virt_to_page(x)) +#endif + +#define check_pgt_cache() do { } while (0) + +#endif + +/* + * Overrides for Emacs so that we follow Linus's tabbing style. + * Emacs will notice this stuff at the end of the file and automatically + * adjust the settings for this buffer only. This must remain at the end + * of the file. + * --------------------------------------------------------------------------- + * Local variables: + * c-file-style: "linux" + * End: + */ diff --git a/arch/um/include/asm/pgtable-2level.h b/arch/um/include/asm/pgtable-2level.h new file mode 100644 index 00000000000..f534b73e753 --- /dev/null +++ b/arch/um/include/asm/pgtable-2level.h @@ -0,0 +1,53 @@ +/* + * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com) + * Copyright 2003 PathScale, Inc. + * Derived from include/asm-i386/pgtable.h + * Licensed under the GPL + */ + +#ifndef __UM_PGTABLE_2LEVEL_H +#define __UM_PGTABLE_2LEVEL_H + +#include + +/* PGDIR_SHIFT determines what a third-level page table entry can map */ + +#define PGDIR_SHIFT 22 +#define PGDIR_SIZE (1UL << PGDIR_SHIFT) +#define PGDIR_MASK (~(PGDIR_SIZE-1)) + +/* + * entries per page directory level: the i386 is two-level, so + * we don't really have any PMD directory physically. + */ +#define PTRS_PER_PTE 1024 +#define USER_PTRS_PER_PGD ((TASK_SIZE + (PGDIR_SIZE - 1)) / PGDIR_SIZE) +#define PTRS_PER_PGD 1024 +#define FIRST_USER_ADDRESS 0 + +#define pte_ERROR(e) \ + printk("%s:%d: bad pte %p(%08lx).\n", __FILE__, __LINE__, &(e), \ + pte_val(e)) +#define pgd_ERROR(e) \ + printk("%s:%d: bad pgd %p(%08lx).\n", __FILE__, __LINE__, &(e), \ + pgd_val(e)) + +static inline int pgd_newpage(pgd_t pgd) { return 0; } +static inline void pgd_mkuptodate(pgd_t pgd) { } + +#define set_pmd(pmdptr, pmdval) (*(pmdptr) = (pmdval)) + +#define pte_pfn(x) phys_to_pfn(pte_val(x)) +#define pfn_pte(pfn, prot) __pte(pfn_to_phys(pfn) | pgprot_val(prot)) +#define pfn_pmd(pfn, prot) __pmd(pfn_to_phys(pfn) | pgprot_val(prot)) + +/* + * Bits 0 through 4 are taken + */ +#define PTE_FILE_MAX_BITS 27 + +#define pte_to_pgoff(pte) (pte_val(pte) >> 5) + +#define pgoff_to_pte(off) ((pte_t) { ((off) << 5) + _PAGE_FILE }) + +#endif diff --git a/arch/um/include/asm/pgtable-3level.h b/arch/um/include/asm/pgtable-3level.h new file mode 100644 index 00000000000..0446f456b42 --- /dev/null +++ b/arch/um/include/asm/pgtable-3level.h @@ -0,0 +1,146 @@ +/* + * Copyright 2003 PathScale Inc + * Derived from include/asm-i386/pgtable.h + * Licensed under the GPL + */ + +#ifndef __UM_PGTABLE_3LEVEL_H +#define __UM_PGTABLE_3LEVEL_H + +#include + +/* PGDIR_SHIFT determines what a third-level page table entry can map */ + +#ifdef CONFIG_64BIT +#define PGDIR_SHIFT 30 +#else +#define PGDIR_SHIFT 31 +#endif +#define PGDIR_SIZE (1UL << PGDIR_SHIFT) +#define PGDIR_MASK (~(PGDIR_SIZE-1)) + +/* PMD_SHIFT determines the size of the area a second-level page table can + * map + */ + +#define PMD_SHIFT 21 +#define PMD_SIZE (1UL << PMD_SHIFT) +#define PMD_MASK (~(PMD_SIZE-1)) + +/* + * entries per page directory level + */ + +#define PTRS_PER_PTE 512 +#ifdef CONFIG_64BIT +#define PTRS_PER_PMD 512 +#define PTRS_PER_PGD 512 +#else +#define PTRS_PER_PMD 1024 +#define PTRS_PER_PGD 1024 +#endif + +#define USER_PTRS_PER_PGD ((TASK_SIZE + (PGDIR_SIZE - 1)) / PGDIR_SIZE) +#define FIRST_USER_ADDRESS 0 + +#define pte_ERROR(e) \ + printk("%s:%d: bad pte %p(%016lx).\n", __FILE__, __LINE__, &(e), \ + pte_val(e)) +#define pmd_ERROR(e) \ + printk("%s:%d: bad pmd %p(%016lx).\n", __FILE__, __LINE__, &(e), \ + pmd_val(e)) +#define pgd_ERROR(e) \ + printk("%s:%d: bad pgd %p(%016lx).\n", __FILE__, __LINE__, &(e), \ + pgd_val(e)) + +#define pud_none(x) (!(pud_val(x) & ~_PAGE_NEWPAGE)) +#define pud_bad(x) ((pud_val(x) & (~PAGE_MASK & ~_PAGE_USER)) != _KERNPG_TABLE) +#define pud_present(x) (pud_val(x) & _PAGE_PRESENT) +#define pud_populate(mm, pud, pmd) \ + set_pud(pud, __pud(_PAGE_TABLE + __pa(pmd))) + +#ifdef CONFIG_64BIT +#define set_pud(pudptr, pudval) set_64bit((phys_t *) (pudptr), pud_val(pudval)) +#else +#define set_pud(pudptr, pudval) (*(pudptr) = (pudval)) +#endif + +static inline int pgd_newpage(pgd_t pgd) +{ + return(pgd_val(pgd) & _PAGE_NEWPAGE); +} + +static inline void pgd_mkuptodate(pgd_t pgd) { pgd_val(pgd) &= ~_PAGE_NEWPAGE; } + +#ifdef CONFIG_64BIT +#define set_pmd(pmdptr, pmdval) set_64bit((phys_t *) (pmdptr), pmd_val(pmdval)) +#else +#define set_pmd(pmdptr, pmdval) (*(pmdptr) = (pmdval)) +#endif + +struct mm_struct; +extern pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address); + +static inline void pud_clear (pud_t *pud) +{ + set_pud(pud, __pud(_PAGE_NEWPAGE)); +} + +#define pud_page(pud) phys_to_page(pud_val(pud) & PAGE_MASK) +#define pud_page_vaddr(pud) ((unsigned long) __va(pud_val(pud) & PAGE_MASK)) + +/* Find an entry in the second-level page table.. */ +#define pmd_offset(pud, address) ((pmd_t *) pud_page_vaddr(*(pud)) + \ + pmd_index(address)) + +static inline unsigned long pte_pfn(pte_t pte) +{ + return phys_to_pfn(pte_val(pte)); +} + +static inline pte_t pfn_pte(pfn_t page_nr, pgprot_t pgprot) +{ + pte_t pte; + phys_t phys = pfn_to_phys(page_nr); + + pte_set_val(pte, phys, pgprot); + return pte; +} + +static inline pmd_t pfn_pmd(pfn_t page_nr, pgprot_t pgprot) +{ + return __pmd((page_nr << PAGE_SHIFT) | pgprot_val(pgprot)); +} + +/* + * Bits 0 through 3 are taken in the low part of the pte, + * put the 32 bits of offset into the high part. + */ +#define PTE_FILE_MAX_BITS 32 + +#ifdef CONFIG_64BIT + +#define pte_to_pgoff(p) ((p).pte >> 32) + +#define pgoff_to_pte(off) ((pte_t) { ((off) << 32) | _PAGE_FILE }) + +#else + +#define pte_to_pgoff(pte) ((pte).pte_high) + +#define pgoff_to_pte(off) ((pte_t) { _PAGE_FILE, (off) }) + +#endif + +#endif + +/* + * Overrides for Emacs so that we follow Linus's tabbing style. + * Emacs will notice this stuff at the end of the file and automatically + * adjust the settings for this buffer only. This must remain at the end + * of the file. + * --------------------------------------------------------------------------- + * Local variables: + * c-file-style: "linux" + * End: + */ diff --git a/arch/um/include/asm/pgtable.h b/arch/um/include/asm/pgtable.h new file mode 100644 index 00000000000..02db81b7b86 --- /dev/null +++ b/arch/um/include/asm/pgtable.h @@ -0,0 +1,358 @@ +/* + * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) + * Copyright 2003 PathScale, Inc. + * Derived from include/asm-i386/pgtable.h + * Licensed under the GPL + */ + +#ifndef __UM_PGTABLE_H +#define __UM_PGTABLE_H + +#include + +#define _PAGE_PRESENT 0x001 +#define _PAGE_NEWPAGE 0x002 +#define _PAGE_NEWPROT 0x004 +#define _PAGE_RW 0x020 +#define _PAGE_USER 0x040 +#define _PAGE_ACCESSED 0x080 +#define _PAGE_DIRTY 0x100 +/* If _PAGE_PRESENT is clear, we use these: */ +#define _PAGE_FILE 0x008 /* nonlinear file mapping, saved PTE; unset:swap */ +#define _PAGE_PROTNONE 0x010 /* if the user mapped it with PROT_NONE; + pte_present gives true */ + +#ifdef CONFIG_3_LEVEL_PGTABLES +#include "asm/pgtable-3level.h" +#else +#include "asm/pgtable-2level.h" +#endif + +extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; + +/* zero page used for uninitialized stuff */ +extern unsigned long *empty_zero_page; + +#define pgtable_cache_init() do ; while (0) + +/* Just any arbitrary offset to the start of the vmalloc VM area: the + * current 8MB value just means that there will be a 8MB "hole" after the + * physical memory until the kernel virtual memory starts. That means that + * any out-of-bounds memory accesses will hopefully be caught. + * The vmalloc() routines leaves a hole of 4kB between each vmalloced + * area for the same reason. ;) + */ + +extern unsigned long end_iomem; + +#define VMALLOC_OFFSET (__va_space) +#define VMALLOC_START ((end_iomem + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)) +#ifdef CONFIG_HIGHMEM +# define VMALLOC_END (PKMAP_BASE-2*PAGE_SIZE) +#else +# define VMALLOC_END (FIXADDR_START-2*PAGE_SIZE) +#endif + +#define _PAGE_TABLE (_PAGE_PRESENT | _PAGE_RW | _PAGE_USER | _PAGE_ACCESSED | _PAGE_DIRTY) +#define _KERNPG_TABLE (_PAGE_PRESENT | _PAGE_RW | _PAGE_ACCESSED | _PAGE_DIRTY) +#define _PAGE_CHG_MASK (PAGE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY) + +#define PAGE_NONE __pgprot(_PAGE_PROTNONE | _PAGE_ACCESSED) +#define PAGE_SHARED __pgprot(_PAGE_PRESENT | _PAGE_RW | _PAGE_USER | _PAGE_ACCESSED) +#define PAGE_COPY __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_ACCESSED) +#define PAGE_READONLY __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_ACCESSED) +#define PAGE_KERNEL __pgprot(_PAGE_PRESENT | _PAGE_RW | _PAGE_DIRTY | _PAGE_ACCESSED) + +/* + * The i386 can't do page protection for execute, and considers that the same + * are read. + * Also, write permissions imply read permissions. This is the closest we can + * get.. + */ +#define __P000 PAGE_NONE +#define __P001 PAGE_READONLY +#define __P010 PAGE_COPY +#define __P011 PAGE_COPY +#define __P100 PAGE_READONLY +#define __P101 PAGE_READONLY +#define __P110 PAGE_COPY +#define __P111 PAGE_COPY + +#define __S000 PAGE_NONE +#define __S001 PAGE_READONLY +#define __S010 PAGE_SHARED +#define __S011 PAGE_SHARED +#define __S100 PAGE_READONLY +#define __S101 PAGE_READONLY +#define __S110 PAGE_SHARED +#define __S111 PAGE_SHARED + +/* + * ZERO_PAGE is a global shared page that is always zero: used + * for zero-mapped memory areas etc.. + */ +#define ZERO_PAGE(vaddr) virt_to_page(empty_zero_page) + +#define pte_clear(mm,addr,xp) pte_set_val(*(xp), (phys_t) 0, __pgprot(_PAGE_NEWPAGE)) + +#define pmd_none(x) (!((unsigned long)pmd_val(x) & ~_PAGE_NEWPAGE)) +#define pmd_bad(x) ((pmd_val(x) & (~PAGE_MASK & ~_PAGE_USER)) != _KERNPG_TABLE) + +#define pmd_present(x) (pmd_val(x) & _PAGE_PRESENT) +#define pmd_clear(xp) do { pmd_val(*(xp)) = _PAGE_NEWPAGE; } while (0) + +#define pmd_newpage(x) (pmd_val(x) & _PAGE_NEWPAGE) +#define pmd_mkuptodate(x) (pmd_val(x) &= ~_PAGE_NEWPAGE) + +#define pud_newpage(x) (pud_val(x) & _PAGE_NEWPAGE) +#define pud_mkuptodate(x) (pud_val(x) &= ~_PAGE_NEWPAGE) + +#define pmd_page(pmd) phys_to_page(pmd_val(pmd) & PAGE_MASK) + +#define pte_page(x) pfn_to_page(pte_pfn(x)) + +#define pte_present(x) pte_get_bits(x, (_PAGE_PRESENT | _PAGE_PROTNONE)) + +/* + * ================================= + * Flags checking section. + * ================================= + */ + +static inline int pte_none(pte_t pte) +{ + return pte_is_zero(pte); +} + +/* + * The following only work if pte_present() is true. + * Undefined behaviour if not.. + */ +static inline int pte_read(pte_t pte) +{ + return((pte_get_bits(pte, _PAGE_USER)) && + !(pte_get_bits(pte, _PAGE_PROTNONE))); +} + +static inline int pte_exec(pte_t pte){ + return((pte_get_bits(pte, _PAGE_USER)) && + !(pte_get_bits(pte, _PAGE_PROTNONE))); +} + +static inline int pte_write(pte_t pte) +{ + return((pte_get_bits(pte, _PAGE_RW)) && + !(pte_get_bits(pte, _PAGE_PROTNONE))); +} + +/* + * The following only works if pte_present() is not true. + */ +static inline int pte_file(pte_t pte) +{ + return pte_get_bits(pte, _PAGE_FILE); +} + +static inline int pte_dirty(pte_t pte) +{ + return pte_get_bits(pte, _PAGE_DIRTY); +} + +static inline int pte_young(pte_t pte) +{ + return pte_get_bits(pte, _PAGE_ACCESSED); +} + +static inline int pte_newpage(pte_t pte) +{ + return pte_get_bits(pte, _PAGE_NEWPAGE); +} + +static inline int pte_newprot(pte_t pte) +{ + return(pte_present(pte) && (pte_get_bits(pte, _PAGE_NEWPROT))); +} + +static inline int pte_special(pte_t pte) +{ + return 0; +} + +/* + * ================================= + * Flags setting section. + * ================================= + */ + +static inline pte_t pte_mknewprot(pte_t pte) +{ + pte_set_bits(pte, _PAGE_NEWPROT); + return(pte); +} + +static inline pte_t pte_mkclean(pte_t pte) +{ + pte_clear_bits(pte, _PAGE_DIRTY); + return(pte); +} + +static inline pte_t pte_mkold(pte_t pte) +{ + pte_clear_bits(pte, _PAGE_ACCESSED); + return(pte); +} + +static inline pte_t pte_wrprotect(pte_t pte) +{ + pte_clear_bits(pte, _PAGE_RW); + return(pte_mknewprot(pte)); +} + +static inline pte_t pte_mkread(pte_t pte) +{ + pte_set_bits(pte, _PAGE_USER); + return(pte_mknewprot(pte)); +} + +static inline pte_t pte_mkdirty(pte_t pte) +{ + pte_set_bits(pte, _PAGE_DIRTY); + return(pte); +} + +static inline pte_t pte_mkyoung(pte_t pte) +{ + pte_set_bits(pte, _PAGE_ACCESSED); + return(pte); +} + +static inline pte_t pte_mkwrite(pte_t pte) +{ + pte_set_bits(pte, _PAGE_RW); + return(pte_mknewprot(pte)); +} + +static inline pte_t pte_mkuptodate(pte_t pte) +{ + pte_clear_bits(pte, _PAGE_NEWPAGE); + if(pte_present(pte)) + pte_clear_bits(pte, _PAGE_NEWPROT); + return(pte); +} + +static inline pte_t pte_mknewpage(pte_t pte) +{ + pte_set_bits(pte, _PAGE_NEWPAGE); + return(pte); +} + +static inline pte_t pte_mkspecial(pte_t pte) +{ + return(pte); +} + +static inline void set_pte(pte_t *pteptr, pte_t pteval) +{ + pte_copy(*pteptr, pteval); + + /* If it's a swap entry, it needs to be marked _PAGE_NEWPAGE so + * fix_range knows to unmap it. _PAGE_NEWPROT is specific to + * mapped pages. + */ + + *pteptr = pte_mknewpage(*pteptr); + if(pte_present(*pteptr)) *pteptr = pte_mknewprot(*pteptr); +} +#define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval) + +/* + * Conversion functions: convert a page and protection to a page entry, + * and a page entry and page directory to the page they refer to. + */ + +#define phys_to_page(phys) pfn_to_page(phys_to_pfn(phys)) +#define __virt_to_page(virt) phys_to_page(__pa(virt)) +#define page_to_phys(page) pfn_to_phys((pfn_t) page_to_pfn(page)) +#define virt_to_page(addr) __virt_to_page((const unsigned long) addr) + +#define mk_pte(page, pgprot) \ + ({ pte_t pte; \ + \ + pte_set_val(pte, page_to_phys(page), (pgprot)); \ + if (pte_present(pte)) \ + pte_mknewprot(pte_mknewpage(pte)); \ + pte;}) + +static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) +{ + pte_set_val(pte, (pte_val(pte) & _PAGE_CHG_MASK), newprot); + return pte; +} + +/* + * the pgd page can be thought of an array like this: pgd_t[PTRS_PER_PGD] + * + * this macro returns the index of the entry in the pgd page which would + * control the given virtual address + */ +#define pgd_index(address) (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD-1)) + +/* + * pgd_offset() returns a (pgd_t *) + * pgd_index() is used get the offset into the pgd page's array of pgd_t's; + */ +#define pgd_offset(mm, address) ((mm)->pgd+pgd_index(address)) + +/* + * a shortcut which implies the use of the kernel's pgd, instead + * of a process's + */ +#define pgd_offset_k(address) pgd_offset(&init_mm, address) + +/* + * the pmd page can be thought of an array like this: pmd_t[PTRS_PER_PMD] + * + * this macro returns the index of the entry in the pmd page which would + * control the given virtual address + */ +#define pmd_page_vaddr(pmd) ((unsigned long) __va(pmd_val(pmd) & PAGE_MASK)) +#define pmd_index(address) (((address) >> PMD_SHIFT) & (PTRS_PER_PMD-1)) + +#define pmd_page_vaddr(pmd) \ + ((unsigned long) __va(pmd_val(pmd) & PAGE_MASK)) + +/* + * the pte page can be thought of an array like this: pte_t[PTRS_PER_PTE] + * + * this macro returns the index of the entry in the pte page which would + * control the given virtual address + */ +#define pte_index(address) (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)) +#define pte_offset_kernel(dir, address) \ + ((pte_t *) pmd_page_vaddr(*(dir)) + pte_index(address)) +#define pte_offset_map(dir, address) \ + ((pte_t *)page_address(pmd_page(*(dir))) + pte_index(address)) +#define pte_offset_map_nested(dir, address) pte_offset_map(dir, address) +#define pte_unmap(pte) do { } while (0) +#define pte_unmap_nested(pte) do { } while (0) + +struct mm_struct; +extern pte_t *virt_to_pte(struct mm_struct *mm, unsigned long addr); + +#define update_mmu_cache(vma,address,pte) do ; while (0) + +/* Encode and de-code a swap entry */ +#define __swp_type(x) (((x).val >> 4) & 0x3f) +#define __swp_offset(x) ((x).val >> 11) + +#define __swp_entry(type, offset) \ + ((swp_entry_t) { ((type) << 4) | ((offset) << 11) }) +#define __pte_to_swp_entry(pte) \ + ((swp_entry_t) { pte_val(pte_mkuptodate(pte)) }) +#define __swp_entry_to_pte(x) ((pte_t) { (x).val }) + +#define kern_addr_valid(addr) (1) + +#include + +#endif diff --git a/arch/um/include/asm/poll.h b/arch/um/include/asm/poll.h new file mode 100644 index 00000000000..1eb4e1bc638 --- /dev/null +++ b/arch/um/include/asm/poll.h @@ -0,0 +1,6 @@ +#ifndef __UM_POLL_H +#define __UM_POLL_H + +#include "asm/arch/poll.h" + +#endif diff --git a/arch/um/include/asm/posix_types.h b/arch/um/include/asm/posix_types.h new file mode 100644 index 00000000000..32fb4198f64 --- /dev/null +++ b/arch/um/include/asm/posix_types.h @@ -0,0 +1,6 @@ +#ifndef __UM_POSIX_TYPES_H +#define __UM_POSIX_TYPES_H + +#include "asm/arch/posix_types.h" + +#endif diff --git a/arch/um/include/asm/prctl.h b/arch/um/include/asm/prctl.h new file mode 100644 index 00000000000..64b6d099bdd --- /dev/null +++ b/arch/um/include/asm/prctl.h @@ -0,0 +1,6 @@ +#ifndef __UM_PRCTL_H +#define __UM_PRCTL_H + +#include "asm/arch/prctl.h" + +#endif diff --git a/arch/um/include/asm/processor-generic.h b/arch/um/include/asm/processor-generic.h new file mode 100644 index 00000000000..bed668824b5 --- /dev/null +++ b/arch/um/include/asm/processor-generic.h @@ -0,0 +1,136 @@ +/* + * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) + * Licensed under the GPL + */ + +#ifndef __UM_PROCESSOR_GENERIC_H +#define __UM_PROCESSOR_GENERIC_H + +struct pt_regs; + +struct task_struct; + +#include "asm/ptrace.h" +#include "registers.h" +#include "sysdep/archsetjmp.h" + +struct mm_struct; + +struct thread_struct { + struct task_struct *saved_task; + /* + * This flag is set to 1 before calling do_fork (and analyzed in + * copy_thread) to mark that we are begin called from userspace (fork / + * vfork / clone), and reset to 0 after. It is left to 0 when called + * from kernelspace (i.e. kernel_thread() or fork_idle(), + * as of 2.6.11). + */ + int forking; + struct pt_regs regs; + int singlestep_syscall; + void *fault_addr; + jmp_buf *fault_catcher; + struct task_struct *prev_sched; + unsigned long temp_stack; + jmp_buf *exec_buf; + struct arch_thread arch; + jmp_buf switch_buf; + int mm_count; + struct { + int op; + union { + struct { + int pid; + } fork, exec; + struct { + int (*proc)(void *); + void *arg; + } thread; + struct { + void (*proc)(void *); + void *arg; + } cb; + } u; + } request; +}; + +#define INIT_THREAD \ +{ \ + .forking = 0, \ + .regs = EMPTY_REGS, \ + .fault_addr = NULL, \ + .prev_sched = NULL, \ + .temp_stack = 0, \ + .exec_buf = NULL, \ + .arch = INIT_ARCH_THREAD, \ + .request = { 0 } \ +} + +extern struct task_struct *alloc_task_struct(void); + +static inline void release_thread(struct task_struct *task) +{ +} + +extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags); + +static inline void prepare_to_copy(struct task_struct *tsk) +{ +} + + +extern unsigned long thread_saved_pc(struct task_struct *t); + +static inline void mm_copy_segments(struct mm_struct *from_mm, + struct mm_struct *new_mm) +{ +} + +#define init_stack (init_thread_union.stack) + +/* + * User space process size: 3GB (default). + */ +extern unsigned long task_size; + +#define TASK_SIZE (task_size) + +#undef STACK_TOP +#undef STACK_TOP_MAX + +extern unsigned long stacksizelim; + +#define STACK_ROOM (stacksizelim) +#define STACK_TOP (TASK_SIZE - 2 * PAGE_SIZE) +#define STACK_TOP_MAX STACK_TOP + +/* This decides where the kernel will search for a free chunk of vm + * space during mmap's. + */ +#define TASK_UNMAPPED_BASE (0x40000000) + +extern void start_thread(struct pt_regs *regs, unsigned long entry, + unsigned long stack); + +struct cpuinfo_um { + unsigned long loops_per_jiffy; + int ipi_pipe[2]; +}; + +extern struct cpuinfo_um boot_cpu_data; + +#define my_cpu_data cpu_data[smp_processor_id()] + +#ifdef CONFIG_SMP +extern struct cpuinfo_um cpu_data[]; +#define current_cpu_data cpu_data[smp_processor_id()] +#else +#define cpu_data (&boot_cpu_data) +#define current_cpu_data boot_cpu_data +#endif + + +#define KSTK_REG(tsk, reg) get_thread_reg(reg, &tsk->thread.switch_buf) +extern unsigned long get_wchan(struct task_struct *p); + +#endif diff --git a/arch/um/include/asm/processor-i386.h b/arch/um/include/asm/processor-i386.h new file mode 100644 index 00000000000..a2b7fe13fe1 --- /dev/null +++ b/arch/um/include/asm/processor-i386.h @@ -0,0 +1,78 @@ +/* + * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) + * Licensed under the GPL + */ + +#ifndef __UM_PROCESSOR_I386_H +#define __UM_PROCESSOR_I386_H + +#include "linux/string.h" +#include "asm/host_ldt.h" +#include "asm/segment.h" + +extern int host_has_cmov; + +/* include faultinfo structure */ +#include "sysdep/faultinfo.h" + +struct uml_tls_struct { + struct user_desc tls; + unsigned flushed:1; + unsigned present:1; +}; + +struct arch_thread { + struct uml_tls_struct tls_array[GDT_ENTRY_TLS_ENTRIES]; + unsigned long debugregs[8]; + int debugregs_seq; + struct faultinfo faultinfo; +}; + +#define INIT_ARCH_THREAD { \ + .tls_array = { [ 0 ... GDT_ENTRY_TLS_ENTRIES - 1 ] = \ + { .present = 0, .flushed = 0 } }, \ + .debugregs = { [ 0 ... 7 ] = 0 }, \ + .debugregs_seq = 0, \ + .faultinfo = { 0, 0, 0 } \ +} + +static inline void arch_flush_thread(struct arch_thread *thread) +{ + /* Clear any TLS still hanging */ + memset(&thread->tls_array, 0, sizeof(thread->tls_array)); +} + +static inline void arch_copy_thread(struct arch_thread *from, + struct arch_thread *to) +{ + memcpy(&to->tls_array, &from->tls_array, sizeof(from->tls_array)); +} + +#include "asm/arch/user.h" + +/* REP NOP (PAUSE) is a good thing to insert into busy-wait loops. */ +static inline void rep_nop(void) +{ + __asm__ __volatile__("rep;nop": : :"memory"); +} + +#define cpu_relax() rep_nop() + +/* + * Default implementation of macro that returns current + * instruction pointer ("program counter"). Stolen + * from asm-i386/processor.h + */ +#define current_text_addr() \ + ({ void *pc; __asm__("movl $1f,%0\n1:":"=g" (pc)); pc; }) + +#define ARCH_IS_STACKGROW(address) \ + (address + 32 >= UPT_SP(¤t->thread.regs.regs)) + +#define KSTK_EIP(tsk) KSTK_REG(tsk, EIP) +#define KSTK_ESP(tsk) KSTK_REG(tsk, UESP) +#define KSTK_EBP(tsk) KSTK_REG(tsk, EBP) + +#include "asm/processor-generic.h" + +#endif diff --git a/arch/um/include/asm/processor-ppc.h b/arch/um/include/asm/processor-ppc.h new file mode 100644 index 00000000000..95932315122 --- /dev/null +++ b/arch/um/include/asm/processor-ppc.h @@ -0,0 +1,15 @@ +#ifndef __UM_PROCESSOR_PPC_H +#define __UM_PROCESSOR_PPC_H + +#if defined(__ASSEMBLY__) + +#define CONFIG_PPC_MULTIPLATFORM +#include "arch/processor.h" + +#else + +#include "asm/processor-generic.h" + +#endif + +#endif diff --git a/arch/um/include/asm/processor-x86_64.h b/arch/um/include/asm/processor-x86_64.h new file mode 100644 index 00000000000..e50933175e9 --- /dev/null +++ b/arch/um/include/asm/processor-x86_64.h @@ -0,0 +1,56 @@ +/* + * Copyright 2003 PathScale, Inc. + * + * Licensed under the GPL + */ + +#ifndef __UM_PROCESSOR_X86_64_H +#define __UM_PROCESSOR_X86_64_H + +/* include faultinfo structure */ +#include "sysdep/faultinfo.h" + +struct arch_thread { + unsigned long debugregs[8]; + int debugregs_seq; + unsigned long fs; + struct faultinfo faultinfo; +}; + +/* REP NOP (PAUSE) is a good thing to insert into busy-wait loops. */ +static inline void rep_nop(void) +{ + __asm__ __volatile__("rep;nop": : :"memory"); +} + +#define cpu_relax() rep_nop() + +#define INIT_ARCH_THREAD { .debugregs = { [ 0 ... 7 ] = 0 }, \ + .debugregs_seq = 0, \ + .fs = 0, \ + .faultinfo = { 0, 0, 0 } } + +static inline void arch_flush_thread(struct arch_thread *thread) +{ +} + +static inline void arch_copy_thread(struct arch_thread *from, + struct arch_thread *to) +{ + to->fs = from->fs; +} + +#include "asm/arch/user.h" + +#define current_text_addr() \ + ({ void *pc; __asm__("movq $1f,%0\n1:":"=g" (pc)); pc; }) + +#define ARCH_IS_STACKGROW(address) \ + (address + 128 >= UPT_SP(¤t->thread.regs.regs)) + +#define KSTK_EIP(tsk) KSTK_REG(tsk, RIP) +#define KSTK_ESP(tsk) KSTK_REG(tsk, RSP) + +#include "asm/processor-generic.h" + +#endif diff --git a/arch/um/include/asm/ptrace-generic.h b/arch/um/include/asm/ptrace-generic.h new file mode 100644 index 00000000000..315749705ea --- /dev/null +++ b/arch/um/include/asm/ptrace-generic.h @@ -0,0 +1,55 @@ +/* + * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) + * Licensed under the GPL + */ + +#ifndef __UM_PTRACE_GENERIC_H +#define __UM_PTRACE_GENERIC_H + +#ifndef __ASSEMBLY__ + +#include "asm/arch/ptrace-abi.h" +#include +#include "sysdep/ptrace.h" + +struct pt_regs { + struct uml_pt_regs regs; +}; + +#define EMPTY_REGS { .regs = EMPTY_UML_PT_REGS } + +#define PT_REGS_IP(r) UPT_IP(&(r)->regs) +#define PT_REGS_SP(r) UPT_SP(&(r)->regs) + +#define PT_REG(r, reg) UPT_REG(&(r)->regs, reg) +#define PT_REGS_SET(r, reg, val) UPT_SET(&(r)->regs, reg, val) + +#define PT_REGS_SET_SYSCALL_RETURN(r, res) \ + UPT_SET_SYSCALL_RETURN(&(r)->regs, res) +#define PT_REGS_RESTART_SYSCALL(r) UPT_RESTART_SYSCALL(&(r)->regs) + +#define PT_REGS_SYSCALL_NR(r) UPT_SYSCALL_NR(&(r)->regs) + +#define PT_REGS_SC(r) UPT_SC(&(r)->regs) + +#define instruction_pointer(regs) PT_REGS_IP(regs) + +struct task_struct; + +extern long subarch_ptrace(struct task_struct *child, long request, long addr, + long data); +extern unsigned long getreg(struct task_struct *child, int regno); +extern int putreg(struct task_struct *child, int regno, unsigned long value); +extern int get_fpregs(struct user_i387_struct __user *buf, + struct task_struct *child); +extern int set_fpregs(struct user_i387_struct __user *buf, + struct task_struct *child); + +extern void show_regs(struct pt_regs *regs); + +extern int arch_copy_tls(struct task_struct *new); +extern void clear_flushed_tls(struct task_struct *task); + +#endif + +#endif diff --git a/arch/um/include/asm/ptrace-i386.h b/arch/um/include/asm/ptrace-i386.h new file mode 100644 index 00000000000..b2d24c5ea2c --- /dev/null +++ b/arch/um/include/asm/ptrace-i386.h @@ -0,0 +1,60 @@ +/* + * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) + * Licensed under the GPL + */ + +#ifndef __UM_PTRACE_I386_H +#define __UM_PTRACE_I386_H + +#define HOST_AUDIT_ARCH AUDIT_ARCH_I386 + +#include "linux/compiler.h" +#include "asm/ptrace-generic.h" +#include +#include "sysdep/ptrace.h" + +#define PT_REGS_EAX(r) UPT_EAX(&(r)->regs) +#define PT_REGS_EBX(r) UPT_EBX(&(r)->regs) +#define PT_REGS_ECX(r) UPT_ECX(&(r)->regs) +#define PT_REGS_EDX(r) UPT_EDX(&(r)->regs) +#define PT_REGS_ESI(r) UPT_ESI(&(r)->regs) +#define PT_REGS_EDI(r) UPT_EDI(&(r)->regs) +#define PT_REGS_EBP(r) UPT_EBP(&(r)->regs) + +#define PT_REGS_CS(r) UPT_CS(&(r)->regs) +#define PT_REGS_SS(r) UPT_SS(&(r)->regs) +#define PT_REGS_DS(r) UPT_DS(&(r)->regs) +#define PT_REGS_ES(r) UPT_ES(&(r)->regs) +#define PT_REGS_FS(r) UPT_FS(&(r)->regs) +#define PT_REGS_GS(r) UPT_GS(&(r)->regs) + +#define PT_REGS_EFLAGS(r) UPT_EFLAGS(&(r)->regs) + +#define PT_REGS_ORIG_SYSCALL(r) PT_REGS_EAX(r) +#define PT_REGS_SYSCALL_RET(r) PT_REGS_EAX(r) +#define PT_FIX_EXEC_STACK(sp) do ; while(0) + +/* Cope with a conditional i386 definition. */ +#undef profile_pc +#define profile_pc(regs) PT_REGS_IP(regs) + +#define user_mode(r) UPT_IS_USER(&(r)->regs) + +/* + * Forward declaration to avoid including sysdep/tls.h, which causes a + * circular include, and compilation failures. + */ +struct user_desc; + +extern int get_fpxregs(struct user_fxsr_struct __user *buf, + struct task_struct *child); +extern int set_fpxregs(struct user_fxsr_struct __user *buf, + struct task_struct *tsk); + +extern int ptrace_get_thread_area(struct task_struct *child, int idx, + struct user_desc __user *user_desc); + +extern int ptrace_set_thread_area(struct task_struct *child, int idx, + struct user_desc __user *user_desc); + +#endif diff --git a/arch/um/include/asm/ptrace-x86_64.h b/arch/um/include/asm/ptrace-x86_64.h new file mode 100644 index 00000000000..4c475350dcf --- /dev/null +++ b/arch/um/include/asm/ptrace-x86_64.h @@ -0,0 +1,81 @@ +/* + * Copyright 2003 PathScale, Inc. + * + * Licensed under the GPL + */ + +#ifndef __UM_PTRACE_X86_64_H +#define __UM_PTRACE_X86_64_H + +#include "linux/compiler.h" +#include "asm/errno.h" +#include "asm/host_ldt.h" + +#define __FRAME_OFFSETS /* Needed to get the R* macros */ +#include "asm/ptrace-generic.h" + +#define HOST_AUDIT_ARCH AUDIT_ARCH_X86_64 + +/* Also defined in sysdep/ptrace.h, so may already be defined. */ +#ifndef FS_BASE +#define FS_BASE (21 * sizeof(unsigned long)) +#define GS_BASE (22 * sizeof(unsigned long)) +#define DS (23 * sizeof(unsigned long)) +#define ES (24 * sizeof(unsigned long)) +#define FS (25 * sizeof(unsigned long)) +#define GS (26 * sizeof(unsigned long)) +#endif + +#define PT_REGS_RBX(r) UPT_RBX(&(r)->regs) +#define PT_REGS_RCX(r) UPT_RCX(&(r)->regs) +#define PT_REGS_RDX(r) UPT_RDX(&(r)->regs) +#define PT_REGS_RSI(r) UPT_RSI(&(r)->regs) +#define PT_REGS_RDI(r) UPT_RDI(&(r)->regs) +#define PT_REGS_RBP(r) UPT_RBP(&(r)->regs) +#define PT_REGS_RAX(r) UPT_RAX(&(r)->regs) +#define PT_REGS_R8(r) UPT_R8(&(r)->regs) +#define PT_REGS_R9(r) UPT_R9(&(r)->regs) +#define PT_REGS_R10(r) UPT_R10(&(r)->regs) +#define PT_REGS_R11(r) UPT_R11(&(r)->regs) +#define PT_REGS_R12(r) UPT_R12(&(r)->regs) +#define PT_REGS_R13(r) UPT_R13(&(r)->regs) +#define PT_REGS_R14(r) UPT_R14(&(r)->regs) +#define PT_REGS_R15(r) UPT_R15(&(r)->regs) + +#define PT_REGS_FS(r) UPT_FS(&(r)->regs) +#define PT_REGS_GS(r) UPT_GS(&(r)->regs) +#define PT_REGS_DS(r) UPT_DS(&(r)->regs) +#define PT_REGS_ES(r) UPT_ES(&(r)->regs) +#define PT_REGS_SS(r) UPT_SS(&(r)->regs) +#define PT_REGS_CS(r) UPT_CS(&(r)->regs) + +#define PT_REGS_ORIG_RAX(r) UPT_ORIG_RAX(&(r)->regs) +#define PT_REGS_RIP(r) UPT_IP(&(r)->regs) +#define PT_REGS_RSP(r) UPT_SP(&(r)->regs) + +#define PT_REGS_EFLAGS(r) UPT_EFLAGS(&(r)->regs) + +/* XXX */ +#define user_mode(r) UPT_IS_USER(&(r)->regs) +#define PT_REGS_ORIG_SYSCALL(r) PT_REGS_RAX(r) +#define PT_REGS_SYSCALL_RET(r) PT_REGS_RAX(r) + +#define PT_FIX_EXEC_STACK(sp) do ; while(0) + +#define profile_pc(regs) PT_REGS_IP(regs) + +static inline int ptrace_get_thread_area(struct task_struct *child, int idx, + struct user_desc __user *user_desc) +{ + return -ENOSYS; +} + +static inline int ptrace_set_thread_area(struct task_struct *child, int idx, + struct user_desc __user *user_desc) +{ + return -ENOSYS; +} + +extern long arch_prctl(struct task_struct *task, int code, + unsigned long __user *addr); +#endif diff --git a/arch/um/include/asm/required-features.h b/arch/um/include/asm/required-features.h new file mode 100644 index 00000000000..dfb967b2d2f --- /dev/null +++ b/arch/um/include/asm/required-features.h @@ -0,0 +1,9 @@ +#ifndef __UM_REQUIRED_FEATURES_H +#define __UM_REQUIRED_FEATURES_H + +/* + * Nothing to see, just need something for the i386 and x86_64 asm + * headers to include. + */ + +#endif diff --git a/arch/um/include/asm/resource.h b/arch/um/include/asm/resource.h new file mode 100644 index 00000000000..c9b07400125 --- /dev/null +++ b/arch/um/include/asm/resource.h @@ -0,0 +1,6 @@ +#ifndef __UM_RESOURCE_H +#define __UM_RESOURCE_H + +#include "asm/arch/resource.h" + +#endif diff --git a/arch/um/include/asm/rwlock.h b/arch/um/include/asm/rwlock.h new file mode 100644 index 00000000000..ff383aafc9f --- /dev/null +++ b/arch/um/include/asm/rwlock.h @@ -0,0 +1,6 @@ +#ifndef __UM_RWLOCK_H +#define __UM_RWLOCK_H + +#include "asm/arch/rwlock.h" + +#endif diff --git a/arch/um/include/asm/rwsem.h b/arch/um/include/asm/rwsem.h new file mode 100644 index 00000000000..b5fc449dc86 --- /dev/null +++ b/arch/um/include/asm/rwsem.h @@ -0,0 +1,6 @@ +#ifndef __UM_RWSEM_H__ +#define __UM_RWSEM_H__ + +#include "asm/arch/rwsem.h" + +#endif diff --git a/arch/um/include/asm/scatterlist.h b/arch/um/include/asm/scatterlist.h new file mode 100644 index 00000000000..e92016aa207 --- /dev/null +++ b/arch/um/include/asm/scatterlist.h @@ -0,0 +1,6 @@ +#ifndef __UM_SCATTERLIST_H +#define __UM_SCATTERLIST_H + +#include "asm/arch/scatterlist.h" + +#endif diff --git a/arch/um/include/asm/sections.h b/arch/um/include/asm/sections.h new file mode 100644 index 00000000000..6b0231eefea --- /dev/null +++ b/arch/um/include/asm/sections.h @@ -0,0 +1,7 @@ +#ifndef _UM_SECTIONS_H +#define _UM_SECTIONS_H + +/* nothing to see, move along */ +#include + +#endif diff --git a/arch/um/include/asm/segment.h b/arch/um/include/asm/segment.h new file mode 100644 index 00000000000..45183fcd10b --- /dev/null +++ b/arch/um/include/asm/segment.h @@ -0,0 +1,10 @@ +#ifndef __UM_SEGMENT_H +#define __UM_SEGMENT_H + +extern int host_gdt_entry_tls_min; + +#define GDT_ENTRY_TLS_ENTRIES 3 +#define GDT_ENTRY_TLS_MIN host_gdt_entry_tls_min +#define GDT_ENTRY_TLS_MAX (GDT_ENTRY_TLS_MIN + GDT_ENTRY_TLS_ENTRIES - 1) + +#endif diff --git a/arch/um/include/asm/sembuf.h b/arch/um/include/asm/sembuf.h new file mode 100644 index 00000000000..1ae82c14ff8 --- /dev/null +++ b/arch/um/include/asm/sembuf.h @@ -0,0 +1,6 @@ +#ifndef __UM_SEMBUF_H +#define __UM_SEMBUF_H + +#include "asm/arch/sembuf.h" + +#endif diff --git a/arch/um/include/asm/serial.h b/arch/um/include/asm/serial.h new file mode 100644 index 00000000000..61ad07cfd2d --- /dev/null +++ b/arch/um/include/asm/serial.h @@ -0,0 +1,6 @@ +#ifndef __UM_SERIAL_H +#define __UM_SERIAL_H + +#include "asm/arch/serial.h" + +#endif diff --git a/arch/um/include/asm/setup.h b/arch/um/include/asm/setup.h new file mode 100644 index 00000000000..99f086301f4 --- /dev/null +++ b/arch/um/include/asm/setup.h @@ -0,0 +1,10 @@ +#ifndef SETUP_H_INCLUDED +#define SETUP_H_INCLUDED + +/* POSIX mandated with _POSIX_ARG_MAX that we can rely on 4096 chars in the + * command line, so this choice is ok. + */ + +#define COMMAND_LINE_SIZE 4096 + +#endif /* SETUP_H_INCLUDED */ diff --git a/arch/um/include/asm/shmbuf.h b/arch/um/include/asm/shmbuf.h new file mode 100644 index 00000000000..9684d4a284a --- /dev/null +++ b/arch/um/include/asm/shmbuf.h @@ -0,0 +1,6 @@ +#ifndef __UM_SHMBUF_H +#define __UM_SHMBUF_H + +#include "asm/arch/shmbuf.h" + +#endif diff --git a/arch/um/include/asm/shmparam.h b/arch/um/include/asm/shmparam.h new file mode 100644 index 00000000000..124c00174f6 --- /dev/null +++ b/arch/um/include/asm/shmparam.h @@ -0,0 +1,6 @@ +#ifndef __UM_SHMPARAM_H +#define __UM_SHMPARAM_H + +#include "asm/arch/shmparam.h" + +#endif diff --git a/arch/um/include/asm/sigcontext-generic.h b/arch/um/include/asm/sigcontext-generic.h new file mode 100644 index 00000000000..164587014c6 --- /dev/null +++ b/arch/um/include/asm/sigcontext-generic.h @@ -0,0 +1,6 @@ +#ifndef __UM_SIGCONTEXT_GENERIC_H +#define __UM_SIGCONTEXT_GENERIC_H + +#include "asm/arch/sigcontext.h" + +#endif diff --git a/arch/um/include/asm/sigcontext-i386.h b/arch/um/include/asm/sigcontext-i386.h new file mode 100644 index 00000000000..b88333f488b --- /dev/null +++ b/arch/um/include/asm/sigcontext-i386.h @@ -0,0 +1,6 @@ +#ifndef __UM_SIGCONTEXT_I386_H +#define __UM_SIGCONTEXT_I386_H + +#include "asm/sigcontext-generic.h" + +#endif diff --git a/arch/um/include/asm/sigcontext-ppc.h b/arch/um/include/asm/sigcontext-ppc.h new file mode 100644 index 00000000000..2467f20eda9 --- /dev/null +++ b/arch/um/include/asm/sigcontext-ppc.h @@ -0,0 +1,10 @@ +#ifndef __UM_SIGCONTEXT_PPC_H +#define __UM_SIGCONTEXT_PPC_H + +#define pt_regs sys_pt_regs + +#include "asm/sigcontext-generic.h" + +#undef pt_regs + +#endif diff --git a/arch/um/include/asm/sigcontext-x86_64.h b/arch/um/include/asm/sigcontext-x86_64.h new file mode 100644 index 00000000000..b600e0b01e4 --- /dev/null +++ b/arch/um/include/asm/sigcontext-x86_64.h @@ -0,0 +1,22 @@ +/* Copyright 2003 PathScale, Inc. + * + * Licensed under the GPL + */ + +#ifndef __UM_SIGCONTEXT_X86_64_H +#define __UM_SIGCONTEXT_X86_64_H + +#include "asm/sigcontext-generic.h" + +#endif + +/* + * Overrides for Emacs so that we follow Linus's tabbing style. + * Emacs will notice this stuff at the end of the file and automatically + * adjust the settings for this buffer only. This must remain at the end + * of the file. + * --------------------------------------------------------------------------- + * Local variables: + * c-file-style: "linux" + * End: + */ diff --git a/arch/um/include/asm/siginfo.h b/arch/um/include/asm/siginfo.h new file mode 100644 index 00000000000..bec6124c36d --- /dev/null +++ b/arch/um/include/asm/siginfo.h @@ -0,0 +1,6 @@ +#ifndef __UM_SIGINFO_H +#define __UM_SIGINFO_H + +#include "asm/arch/siginfo.h" + +#endif diff --git a/arch/um/include/asm/signal.h b/arch/um/include/asm/signal.h new file mode 100644 index 00000000000..52ed92cbce4 --- /dev/null +++ b/arch/um/include/asm/signal.h @@ -0,0 +1,29 @@ +/* + * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) + * Licensed under the GPL + */ + +#ifndef __UM_SIGNAL_H +#define __UM_SIGNAL_H + +/* Need to kill the do_signal() declaration in the i386 signal.h */ + +#define do_signal do_signal_renamed +#include "asm/arch/signal.h" +#undef do_signal +#undef ptrace_signal_deliver + +#define ptrace_signal_deliver(regs, cookie) do {} while(0) + +#endif + +/* + * Overrides for Emacs so that we follow Linus's tabbing style. + * Emacs will notice this stuff at the end of the file and automatically + * adjust the settings for this buffer only. This must remain at the end + * of the file. + * --------------------------------------------------------------------------- + * Local variables: + * c-file-style: "linux" + * End: + */ diff --git a/arch/um/include/asm/smp.h b/arch/um/include/asm/smp.h new file mode 100644 index 00000000000..f27a9631317 --- /dev/null +++ b/arch/um/include/asm/smp.h @@ -0,0 +1,33 @@ +#ifndef __UM_SMP_H +#define __UM_SMP_H + +#ifdef CONFIG_SMP + +#include "linux/bitops.h" +#include "asm/current.h" +#include "linux/cpumask.h" + +#define raw_smp_processor_id() (current_thread->cpu) + +#define cpu_logical_map(n) (n) +#define cpu_number_map(n) (n) +#define PROC_CHANGE_PENALTY 15 /* Pick a number, any number */ +extern int hard_smp_processor_id(void); +#define NO_PROC_ID -1 + +extern int ncpus; + + +static inline void smp_cpus_done(unsigned int maxcpus) +{ +} + +extern struct task_struct *idle_threads[NR_CPUS]; + +#else + +#define hard_smp_processor_id() 0 + +#endif + +#endif diff --git a/arch/um/include/asm/socket.h b/arch/um/include/asm/socket.h new file mode 100644 index 00000000000..67886e42ef0 --- /dev/null +++ b/arch/um/include/asm/socket.h @@ -0,0 +1,6 @@ +#ifndef __UM_SOCKET_H +#define __UM_SOCKET_H + +#include "asm/arch/socket.h" + +#endif diff --git a/arch/um/include/asm/sockios.h b/arch/um/include/asm/sockios.h new file mode 100644 index 00000000000..93ee1c55c4d --- /dev/null +++ b/arch/um/include/asm/sockios.h @@ -0,0 +1,6 @@ +#ifndef __UM_SOCKIOS_H +#define __UM_SOCKIOS_H + +#include "asm/arch/sockios.h" + +#endif diff --git a/arch/um/include/asm/spinlock.h b/arch/um/include/asm/spinlock.h new file mode 100644 index 00000000000..f18c8288699 --- /dev/null +++ b/arch/um/include/asm/spinlock.h @@ -0,0 +1,6 @@ +#ifndef __UM_SPINLOCK_H +#define __UM_SPINLOCK_H + +#include "asm/arch/spinlock.h" + +#endif diff --git a/arch/um/include/asm/spinlock_types.h b/arch/um/include/asm/spinlock_types.h new file mode 100644 index 00000000000..e5a94294bf8 --- /dev/null +++ b/arch/um/include/asm/spinlock_types.h @@ -0,0 +1,6 @@ +#ifndef __UM_SPINLOCK_TYPES_H +#define __UM_SPINLOCK_TYPES_H + +#include "asm/arch/spinlock_types.h" + +#endif diff --git a/arch/um/include/asm/stat.h b/arch/um/include/asm/stat.h new file mode 100644 index 00000000000..83ed85ad253 --- /dev/null +++ b/arch/um/include/asm/stat.h @@ -0,0 +1,6 @@ +#ifndef __UM_STAT_H +#define __UM_STAT_H + +#include "asm/arch/stat.h" + +#endif diff --git a/arch/um/include/asm/statfs.h b/arch/um/include/asm/statfs.h new file mode 100644 index 00000000000..ba6fb53e7f8 --- /dev/null +++ b/arch/um/include/asm/statfs.h @@ -0,0 +1,6 @@ +#ifndef _UM_STATFS_H +#define _UM_STATFS_H + +#include "asm/arch/statfs.h" + +#endif diff --git a/arch/um/include/asm/string.h b/arch/um/include/asm/string.h new file mode 100644 index 00000000000..9a0571f6dd6 --- /dev/null +++ b/arch/um/include/asm/string.h @@ -0,0 +1,7 @@ +#ifndef __UM_STRING_H +#define __UM_STRING_H + +#include "asm/arch/string.h" +#include "asm/archparam.h" + +#endif diff --git a/arch/um/include/asm/suspend.h b/arch/um/include/asm/suspend.h new file mode 100644 index 00000000000..f4e8e007f46 --- /dev/null +++ b/arch/um/include/asm/suspend.h @@ -0,0 +1,4 @@ +#ifndef __UM_SUSPEND_H +#define __UM_SUSPEND_H + +#endif diff --git a/arch/um/include/asm/system-generic.h b/arch/um/include/asm/system-generic.h new file mode 100644 index 00000000000..5bcfa35e7a2 --- /dev/null +++ b/arch/um/include/asm/system-generic.h @@ -0,0 +1,47 @@ +#ifndef __UM_SYSTEM_GENERIC_H +#define __UM_SYSTEM_GENERIC_H + +#include "asm/arch/system.h" + +#undef switch_to +#undef local_irq_save +#undef local_irq_restore +#undef local_irq_disable +#undef local_irq_enable +#undef local_save_flags +#undef local_irq_restore +#undef local_irq_enable +#undef local_irq_disable +#undef local_irq_save +#undef irqs_disabled + +extern void *switch_to(void *prev, void *next, void *last); + +extern int get_signals(void); +extern int set_signals(int enable); +extern int get_signals(void); +extern void block_signals(void); +extern void unblock_signals(void); + +#define local_save_flags(flags) do { typecheck(unsigned long, flags); \ + (flags) = get_signals(); } while(0) +#define local_irq_restore(flags) do { typecheck(unsigned long, flags); \ + set_signals(flags); } while(0) + +#define local_irq_save(flags) do { local_save_flags(flags); \ + local_irq_disable(); } while(0) + +#define local_irq_enable() unblock_signals() +#define local_irq_disable() block_signals() + +#define irqs_disabled() \ +({ \ + unsigned long flags; \ + local_save_flags(flags); \ + (flags == 0); \ +}) + +extern void *_switch_to(void *prev, void *next, void *last); +#define switch_to(prev, next, last) prev = _switch_to(prev, next, last) + +#endif diff --git a/arch/um/include/asm/system-i386.h b/arch/um/include/asm/system-i386.h new file mode 100644 index 00000000000..c436263e67b --- /dev/null +++ b/arch/um/include/asm/system-i386.h @@ -0,0 +1,6 @@ +#ifndef __UM_SYSTEM_I386_H +#define __UM_SYSTEM_I386_H + +#include "asm/system-generic.h" + +#endif diff --git a/arch/um/include/asm/system-ppc.h b/arch/um/include/asm/system-ppc.h new file mode 100644 index 00000000000..17cde6640bf --- /dev/null +++ b/arch/um/include/asm/system-ppc.h @@ -0,0 +1,12 @@ +#ifndef __UM_SYSTEM_PPC_H +#define __UM_SYSTEM_PPC_H + +#define _switch_to _ppc_switch_to + +#include "asm/arch/system.h" + +#undef _switch_to + +#include "asm/system-generic.h" + +#endif diff --git a/arch/um/include/asm/system-x86_64.h b/arch/um/include/asm/system-x86_64.h new file mode 100644 index 00000000000..e1b61b58073 --- /dev/null +++ b/arch/um/include/asm/system-x86_64.h @@ -0,0 +1,23 @@ +/* + * Copyright 2003 PathScale, Inc. + * + * Licensed under the GPL + */ + +#ifndef __UM_SYSTEM_X86_64_H +#define __UM_SYSTEM_X86_64_H + +#include "asm/system-generic.h" + +#endif + +/* + * Overrides for Emacs so that we follow Linus's tabbing style. + * Emacs will notice this stuff at the end of the file and automatically + * adjust the settings for this buffer only. This must remain at the end + * of the file. + * --------------------------------------------------------------------------- + * Local variables: + * c-file-style: "linux" + * End: + */ diff --git a/arch/um/include/asm/termbits.h b/arch/um/include/asm/termbits.h new file mode 100644 index 00000000000..5739c608a2c --- /dev/null +++ b/arch/um/include/asm/termbits.h @@ -0,0 +1,6 @@ +#ifndef __UM_TERMBITS_H +#define __UM_TERMBITS_H + +#include "asm/arch/termbits.h" + +#endif diff --git a/arch/um/include/asm/termios.h b/arch/um/include/asm/termios.h new file mode 100644 index 00000000000..d9f97b30331 --- /dev/null +++ b/arch/um/include/asm/termios.h @@ -0,0 +1,6 @@ +#ifndef __UM_TERMIOS_H +#define __UM_TERMIOS_H + +#include "asm/arch/termios.h" + +#endif diff --git a/arch/um/include/asm/thread_info.h b/arch/um/include/asm/thread_info.h new file mode 100644 index 00000000000..62274ab9471 --- /dev/null +++ b/arch/um/include/asm/thread_info.h @@ -0,0 +1,83 @@ +/* + * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) + * Licensed under the GPL + */ + +#ifndef __UM_THREAD_INFO_H +#define __UM_THREAD_INFO_H + +#ifndef __ASSEMBLY__ + +#include +#include +#include + +struct thread_info { + struct task_struct *task; /* main task structure */ + struct exec_domain *exec_domain; /* execution domain */ + unsigned long flags; /* low level flags */ + __u32 cpu; /* current CPU */ + int preempt_count; /* 0 => preemptable, + <0 => BUG */ + mm_segment_t addr_limit; /* thread address space: + 0-0xBFFFFFFF for user + 0-0xFFFFFFFF for kernel */ + struct restart_block restart_block; + struct thread_info *real_thread; /* Points to non-IRQ stack */ +}; + +#define INIT_THREAD_INFO(tsk) \ +{ \ + .task = &tsk, \ + .exec_domain = &default_exec_domain, \ + .flags = 0, \ + .cpu = 0, \ + .preempt_count = 1, \ + .addr_limit = KERNEL_DS, \ + .restart_block = { \ + .fn = do_no_restart_syscall, \ + }, \ + .real_thread = NULL, \ +} + +#define init_thread_info (init_thread_union.thread_info) +#define init_stack (init_thread_union.stack) + +#define THREAD_SIZE ((1 << CONFIG_KERNEL_STACK_ORDER) * PAGE_SIZE) +/* how to get the thread information struct from C */ +static inline struct thread_info *current_thread_info(void) +{ + struct thread_info *ti; + unsigned long mask = THREAD_SIZE - 1; + ti = (struct thread_info *) (((unsigned long) &ti) & ~mask); + return ti; +} + +#define THREAD_SIZE_ORDER CONFIG_KERNEL_STACK_ORDER + +#endif + +#define PREEMPT_ACTIVE 0x10000000 + +#define TIF_SYSCALL_TRACE 0 /* syscall trace active */ +#define TIF_SIGPENDING 1 /* signal pending */ +#define TIF_NEED_RESCHED 2 /* rescheduling necessary */ +#define TIF_POLLING_NRFLAG 3 /* true if poll_idle() is polling + * TIF_NEED_RESCHED + */ +#define TIF_RESTART_BLOCK 4 +#define TIF_MEMDIE 5 +#define TIF_SYSCALL_AUDIT 6 +#define TIF_RESTORE_SIGMASK 7 +#define TIF_FREEZE 16 /* is freezing for suspend */ + +#define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) +#define _TIF_SIGPENDING (1 << TIF_SIGPENDING) +#define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) +#define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG) +#define _TIF_MEMDIE (1 << TIF_MEMDIE) +#define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT) +#define _TIF_RESTORE_SIGMASK (1 << TIF_RESTORE_SIGMASK) +#define _TIF_FREEZE (1 << TIF_FREEZE) + +#endif diff --git a/arch/um/include/asm/timex.h b/arch/um/include/asm/timex.h new file mode 100644 index 00000000000..0f4ada08f74 --- /dev/null +++ b/arch/um/include/asm/timex.h @@ -0,0 +1,13 @@ +#ifndef __UM_TIMEX_H +#define __UM_TIMEX_H + +typedef unsigned long cycles_t; + +static inline cycles_t get_cycles (void) +{ + return 0; +} + +#define CLOCK_TICK_RATE (HZ) + +#endif diff --git a/arch/um/include/asm/tlb.h b/arch/um/include/asm/tlb.h new file mode 100644 index 00000000000..5240fa1c5e0 --- /dev/null +++ b/arch/um/include/asm/tlb.h @@ -0,0 +1,127 @@ +#ifndef __UM_TLB_H +#define __UM_TLB_H + +#include +#include +#include +#include +#include + +#define tlb_start_vma(tlb, vma) do { } while (0) +#define tlb_end_vma(tlb, vma) do { } while (0) +#define tlb_flush(tlb) flush_tlb_mm((tlb)->mm) + +/* struct mmu_gather is an opaque type used by the mm code for passing around + * any data needed by arch specific code for tlb_remove_page. + */ +struct mmu_gather { + struct mm_struct *mm; + unsigned int need_flush; /* Really unmapped some ptes? */ + unsigned long start; + unsigned long end; + unsigned int fullmm; /* non-zero means full mm flush */ +}; + +/* Users of the generic TLB shootdown code must declare this storage space. */ +DECLARE_PER_CPU(struct mmu_gather, mmu_gathers); + +static inline void __tlb_remove_tlb_entry(struct mmu_gather *tlb, pte_t *ptep, + unsigned long address) +{ + if (tlb->start > address) + tlb->start = address; + if (tlb->end < address + PAGE_SIZE) + tlb->end = address + PAGE_SIZE; +} + +static inline void init_tlb_gather(struct mmu_gather *tlb) +{ + tlb->need_flush = 0; + + tlb->start = TASK_SIZE; + tlb->end = 0; + + if (tlb->fullmm) { + tlb->start = 0; + tlb->end = TASK_SIZE; + } +} + +/* tlb_gather_mmu + * Return a pointer to an initialized struct mmu_gather. + */ +static inline struct mmu_gather * +tlb_gather_mmu(struct mm_struct *mm, unsigned int full_mm_flush) +{ + struct mmu_gather *tlb = &get_cpu_var(mmu_gathers); + + tlb->mm = mm; + tlb->fullmm = full_mm_flush; + + init_tlb_gather(tlb); + + return tlb; +} + +extern void flush_tlb_mm_range(struct mm_struct *mm, unsigned long start, + unsigned long end); + +static inline void +tlb_flush_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end) +{ + if (!tlb->need_flush) + return; + + flush_tlb_mm_range(tlb->mm, tlb->start, tlb->end); + init_tlb_gather(tlb); +} + +/* tlb_finish_mmu + * Called at the end of the shootdown operation to free up any resources + * that were required. + */ +static inline void +tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end) +{ + tlb_flush_mmu(tlb, start, end); + + /* keep the page table cache within bounds */ + check_pgt_cache(); + + put_cpu_var(mmu_gathers); +} + +/* tlb_remove_page + * Must perform the equivalent to __free_pte(pte_get_and_clear(ptep)), + * while handling the additional races in SMP caused by other CPUs + * caching valid mappings in their TLBs. + */ +static inline void tlb_remove_page(struct mmu_gather *tlb, struct page *page) +{ + tlb->need_flush = 1; + free_page_and_swap_cache(page); + return; +} + +/** + * tlb_remove_tlb_entry - remember a pte unmapping for later tlb invalidation. + * + * Record the fact that pte's were really umapped in ->need_flush, so we can + * later optimise away the tlb invalidate. This helps when userspace is + * unmapping already-unmapped pages, which happens quite a lot. + */ +#define tlb_remove_tlb_entry(tlb, ptep, address) \ + do { \ + tlb->need_flush = 1; \ + __tlb_remove_tlb_entry(tlb, ptep, address); \ + } while (0) + +#define pte_free_tlb(tlb, ptep) __pte_free_tlb(tlb, ptep) + +#define pud_free_tlb(tlb, pudp) __pud_free_tlb(tlb, pudp) + +#define pmd_free_tlb(tlb, pmdp) __pmd_free_tlb(tlb, pmdp) + +#define tlb_migrate_finish(mm) do {} while (0) + +#endif diff --git a/arch/um/include/asm/tlbflush.h b/arch/um/include/asm/tlbflush.h new file mode 100644 index 00000000000..614f2c09117 --- /dev/null +++ b/arch/um/include/asm/tlbflush.h @@ -0,0 +1,31 @@ +/* + * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) + * Licensed under the GPL + */ + +#ifndef __UM_TLBFLUSH_H +#define __UM_TLBFLUSH_H + +#include + +/* + * TLB flushing: + * + * - flush_tlb() flushes the current mm struct TLBs + * - flush_tlb_all() flushes all processes TLBs + * - flush_tlb_mm(mm) flushes the specified mm context TLB's + * - flush_tlb_page(vma, vmaddr) flushes one page + * - flush_tlb_kernel_vm() flushes the kernel vm area + * - flush_tlb_range(vma, start, end) flushes a range of pages + */ + +extern void flush_tlb_all(void); +extern void flush_tlb_mm(struct mm_struct *mm); +extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, + unsigned long end); +extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long address); +extern void flush_tlb_kernel_vm(void); +extern void flush_tlb_kernel_range(unsigned long start, unsigned long end); +extern void __flush_tlb_one(unsigned long addr); + +#endif diff --git a/arch/um/include/asm/topology.h b/arch/um/include/asm/topology.h new file mode 100644 index 00000000000..0905e4f21d4 --- /dev/null +++ b/arch/um/include/asm/topology.h @@ -0,0 +1,6 @@ +#ifndef _ASM_UM_TOPOLOGY_H +#define _ASM_UM_TOPOLOGY_H + +#include + +#endif diff --git a/arch/um/include/asm/types.h b/arch/um/include/asm/types.h new file mode 100644 index 00000000000..816e9590fc7 --- /dev/null +++ b/arch/um/include/asm/types.h @@ -0,0 +1,6 @@ +#ifndef __UM_TYPES_H +#define __UM_TYPES_H + +#include "asm/arch/types.h" + +#endif diff --git a/arch/um/include/asm/uaccess.h b/arch/um/include/asm/uaccess.h new file mode 100644 index 00000000000..b9a895d6fa1 --- /dev/null +++ b/arch/um/include/asm/uaccess.h @@ -0,0 +1,99 @@ +/* + * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) + * Licensed under the GPL + */ + +#ifndef __UM_UACCESS_H +#define __UM_UACCESS_H + +#include +#include + +/* thread_info has a mm_segment_t in it, so put the definition up here */ +typedef struct { + unsigned long seg; +} mm_segment_t; + +#include "linux/thread_info.h" + +#define VERIFY_READ 0 +#define VERIFY_WRITE 1 + +/* + * The fs value determines whether argument validity checking should be + * performed or not. If get_fs() == USER_DS, checking is performed, with + * get_fs() == KERNEL_DS, checking is bypassed. + * + * For historical reasons, these macros are grossly misnamed. + */ + +#define MAKE_MM_SEG(s) ((mm_segment_t) { (s) }) + +#define KERNEL_DS MAKE_MM_SEG(0xFFFFFFFF) +#define USER_DS MAKE_MM_SEG(TASK_SIZE) + +#define get_ds() (KERNEL_DS) +#define get_fs() (current_thread_info()->addr_limit) +#define set_fs(x) (current_thread_info()->addr_limit = (x)) + +#define segment_eq(a, b) ((a).seg == (b).seg) + +#include "um_uaccess.h" + +#define __copy_from_user(to, from, n) copy_from_user(to, from, n) + +#define __copy_to_user(to, from, n) copy_to_user(to, from, n) + +#define __copy_to_user_inatomic __copy_to_user +#define __copy_from_user_inatomic __copy_from_user + +#define __get_user(x, ptr) \ +({ \ + const __typeof__(*(ptr)) __user *__private_ptr = (ptr); \ + __typeof__(x) __private_val; \ + int __private_ret = -EFAULT; \ + (x) = (__typeof__(*(__private_ptr)))0; \ + if (__copy_from_user((__force void *)&__private_val, (__private_ptr),\ + sizeof(*(__private_ptr))) == 0) { \ + (x) = (__typeof__(*(__private_ptr))) __private_val; \ + __private_ret = 0; \ + } \ + __private_ret; \ +}) + +#define get_user(x, ptr) \ +({ \ + const __typeof__((*(ptr))) __user *private_ptr = (ptr); \ + (access_ok(VERIFY_READ, private_ptr, sizeof(*private_ptr)) ? \ + __get_user(x, private_ptr) : ((x) = (__typeof__(*ptr))0, -EFAULT)); \ +}) + +#define __put_user(x, ptr) \ +({ \ + __typeof__(*(ptr)) __user *__private_ptr = ptr; \ + __typeof__(*(__private_ptr)) __private_val; \ + int __private_ret = -EFAULT; \ + __private_val = (__typeof__(*(__private_ptr))) (x); \ + if (__copy_to_user((__private_ptr), &__private_val, \ + sizeof(*(__private_ptr))) == 0) { \ + __private_ret = 0; \ + } \ + __private_ret; \ +}) + +#define put_user(x, ptr) \ +({ \ + __typeof__(*(ptr)) __user *private_ptr = (ptr); \ + (access_ok(VERIFY_WRITE, private_ptr, sizeof(*private_ptr)) ? \ + __put_user(x, private_ptr) : -EFAULT); \ +}) + +#define strlen_user(str) strnlen_user(str, ~0U >> 1) + +struct exception_table_entry +{ + unsigned long insn; + unsigned long fixup; +}; + +#endif diff --git a/arch/um/include/asm/ucontext.h b/arch/um/include/asm/ucontext.h new file mode 100644 index 00000000000..5c96c0e607f --- /dev/null +++ b/arch/um/include/asm/ucontext.h @@ -0,0 +1,6 @@ +#ifndef _ASM_UM_UCONTEXT_H +#define _ASM_UM_UCONTEXT_H + +#include "asm/arch/ucontext.h" + +#endif diff --git a/arch/um/include/asm/unaligned.h b/arch/um/include/asm/unaligned.h new file mode 100644 index 00000000000..a47196974e3 --- /dev/null +++ b/arch/um/include/asm/unaligned.h @@ -0,0 +1,6 @@ +#ifndef _ASM_UM_UNALIGNED_H +#define _ASM_UM_UNALIGNED_H + +#include "asm/arch/unaligned.h" + +#endif /* _ASM_UM_UNALIGNED_H */ diff --git a/arch/um/include/asm/unistd.h b/arch/um/include/asm/unistd.h new file mode 100644 index 00000000000..38bd9d94ee4 --- /dev/null +++ b/arch/um/include/asm/unistd.h @@ -0,0 +1,41 @@ +/* + * Copyright (C) 2000 - 2004 Jeff Dike (jdike@karaya.com) + * Licensed under the GPL + */ + +#ifndef _UM_UNISTD_H_ +#define _UM_UNISTD_H_ + +#include +#include "linux/resource.h" +#include "asm/uaccess.h" + +extern int um_execve(const char *file, char *const argv[], char *const env[]); + +#ifdef __KERNEL__ +/* We get __ARCH_WANT_OLD_STAT and __ARCH_WANT_STAT64 from the base arch */ +#define __ARCH_WANT_OLD_READDIR +#define __ARCH_WANT_SYS_ALARM +#define __ARCH_WANT_SYS_GETHOSTNAME +#define __ARCH_WANT_SYS_PAUSE +#define __ARCH_WANT_SYS_SGETMASK +#define __ARCH_WANT_SYS_SIGNAL +#define __ARCH_WANT_SYS_TIME +#define __ARCH_WANT_SYS_UTIME +#define __ARCH_WANT_SYS_WAITPID +#define __ARCH_WANT_SYS_SOCKETCALL +#define __ARCH_WANT_SYS_FADVISE64 +#define __ARCH_WANT_SYS_GETPGRP +#define __ARCH_WANT_SYS_LLSEEK +#define __ARCH_WANT_SYS_NICE +#define __ARCH_WANT_SYS_OLD_GETRLIMIT +#define __ARCH_WANT_SYS_OLDUMOUNT +#define __ARCH_WANT_SYS_SIGPENDING +#define __ARCH_WANT_SYS_SIGPROCMASK +#define __ARCH_WANT_SYS_RT_SIGACTION +#define __ARCH_WANT_SYS_RT_SIGSUSPEND +#endif + +#include "asm/arch/unistd.h" + +#endif /* _UM_UNISTD_H_*/ diff --git a/arch/um/include/asm/user.h b/arch/um/include/asm/user.h new file mode 100644 index 00000000000..aae414ee1f5 --- /dev/null +++ b/arch/um/include/asm/user.h @@ -0,0 +1,6 @@ +#ifndef __UM_USER_H +#define __UM_USER_H + +#include "asm/arch/user.h" + +#endif diff --git a/arch/um/include/asm/vga.h b/arch/um/include/asm/vga.h new file mode 100644 index 00000000000..903a592b00d --- /dev/null +++ b/arch/um/include/asm/vga.h @@ -0,0 +1,6 @@ +#ifndef __UM_VGA_H +#define __UM_VGA_H + +#include "asm/arch/vga.h" + +#endif diff --git a/arch/um/include/asm/vm-flags-i386.h b/arch/um/include/asm/vm-flags-i386.h new file mode 100644 index 00000000000..e0d24c568db --- /dev/null +++ b/arch/um/include/asm/vm-flags-i386.h @@ -0,0 +1,14 @@ +/* + * Copyright (C) 2004 Jeff Dike (jdike@addtoit.com) + * Licensed under the GPL + */ + +#ifndef __VM_FLAGS_I386_H +#define __VM_FLAGS_I386_H + +#define VM_DATA_DEFAULT_FLAGS \ + (VM_READ | VM_WRITE | \ + ((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0 ) | \ + VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) + +#endif diff --git a/arch/um/include/asm/vm-flags-x86_64.h b/arch/um/include/asm/vm-flags-x86_64.h new file mode 100644 index 00000000000..3213edfa788 --- /dev/null +++ b/arch/um/include/asm/vm-flags-x86_64.h @@ -0,0 +1,33 @@ +/* + * Copyright (C) 2004 Jeff Dike (jdike@addtoit.com) + * Copyright 2003 PathScale, Inc. + * Licensed under the GPL + */ + +#ifndef __VM_FLAGS_X86_64_H +#define __VM_FLAGS_X86_64_H + +#define __VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \ + VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) +#define __VM_STACK_FLAGS (VM_GROWSDOWN | VM_READ | VM_WRITE | \ + VM_EXEC | VM_MAYREAD | VM_MAYWRITE | \ + VM_MAYEXEC) + +extern unsigned long vm_stack_flags, vm_stack_flags32; +extern unsigned long vm_data_default_flags, vm_data_default_flags32; +extern unsigned long vm_force_exec32; + +#ifdef TIF_IA32 +#define VM_DATA_DEFAULT_FLAGS \ + (test_thread_flag(TIF_IA32) ? vm_data_default_flags32 : \ + vm_data_default_flags) + +#define VM_STACK_DEFAULT_FLAGS \ + (test_thread_flag(TIF_IA32) ? vm_stack_flags32 : vm_stack_flags) +#endif + +#define VM_DATA_DEFAULT_FLAGS vm_data_default_flags + +#define VM_STACK_DEFAULT_FLAGS vm_stack_flags + +#endif diff --git a/arch/um/include/asm/vm86.h b/arch/um/include/asm/vm86.h new file mode 100644 index 00000000000..7801f82de1f --- /dev/null +++ b/arch/um/include/asm/vm86.h @@ -0,0 +1,6 @@ +#ifndef __UM_VM86_H +#define __UM_VM86_H + +#include "asm/arch/vm86.h" + +#endif diff --git a/arch/um/include/asm/xor.h b/arch/um/include/asm/xor.h new file mode 100644 index 00000000000..a19db3e1724 --- /dev/null +++ b/arch/um/include/asm/xor.h @@ -0,0 +1,6 @@ +#ifndef __UM_XOR_H +#define __UM_XOR_H + +#include "asm-generic/xor.h" + +#endif -- cgit v1.2.3-70-g09d2 From 1de1502c96c3c163c06419bfe838c73632fa8d9c Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 17 Aug 2008 22:54:55 -0400 Subject: x86, um: now we can get rid of trivial uml headers Signed-off-by: Al Viro Signed-off-by: H. Peter Anvin --- arch/um/Makefile | 2 ++ arch/um/include/asm/a.out.h | 11 ----------- arch/um/include/asm/alternative-asm.h | 6 ------ arch/um/include/asm/alternative.h | 6 ------ arch/um/include/asm/asm.h | 6 ------ arch/um/include/asm/bitops.h | 10 ---------- arch/um/include/asm/boot.h | 6 ------ arch/um/include/asm/bug.h | 6 ------ arch/um/include/asm/byteorder.h | 6 ------ arch/um/include/asm/cacheflush.h | 6 ------ arch/um/include/asm/calling.h | 9 --------- arch/um/include/asm/cmpxchg.h | 6 ------ arch/um/include/asm/cobalt.h | 6 ------ arch/um/include/asm/cpufeature.h | 6 ------ arch/um/include/asm/div64.h | 6 ------ arch/um/include/asm/dwarf2.h | 11 ----------- arch/um/include/asm/errno.h | 6 ------ arch/um/include/asm/fcntl.h | 6 ------ arch/um/include/asm/floppy.h | 6 ------ arch/um/include/asm/frame.h | 6 ------ arch/um/include/asm/ide.h | 6 ------ arch/um/include/asm/ioctl.h | 6 ------ arch/um/include/asm/ioctls.h | 6 ------ arch/um/include/asm/ipcbuf.h | 6 ------ arch/um/include/asm/linkage.h | 6 ------ arch/um/include/asm/local.h | 6 ------ arch/um/include/asm/locks.h | 6 ------ arch/um/include/asm/mca_dma.h | 6 ------ arch/um/include/asm/mman.h | 6 ------ arch/um/include/asm/msgbuf.h | 6 ------ arch/um/include/asm/mtrr.h | 6 ------ arch/um/include/asm/nops.h | 6 ------ arch/um/include/asm/paravirt.h | 6 ------ arch/um/include/asm/percpu.h | 6 ------ arch/um/include/asm/poll.h | 6 ------ arch/um/include/asm/posix_types.h | 6 ------ arch/um/include/asm/prctl.h | 6 ------ arch/um/include/asm/resource.h | 6 ------ arch/um/include/asm/rwlock.h | 6 ------ arch/um/include/asm/rwsem.h | 6 ------ arch/um/include/asm/scatterlist.h | 6 ------ arch/um/include/asm/sembuf.h | 6 ------ arch/um/include/asm/serial.h | 6 ------ arch/um/include/asm/shmbuf.h | 6 ------ arch/um/include/asm/shmparam.h | 6 ------ arch/um/include/asm/siginfo.h | 6 ------ arch/um/include/asm/socket.h | 6 ------ arch/um/include/asm/sockios.h | 6 ------ arch/um/include/asm/spinlock.h | 6 ------ arch/um/include/asm/spinlock_types.h | 6 ------ arch/um/include/asm/stat.h | 6 ------ arch/um/include/asm/statfs.h | 6 ------ arch/um/include/asm/termbits.h | 6 ------ arch/um/include/asm/termios.h | 6 ------ arch/um/include/asm/types.h | 6 ------ arch/um/include/asm/ucontext.h | 6 ------ arch/um/include/asm/unaligned.h | 6 ------ arch/um/include/asm/user.h | 6 ------ arch/um/include/asm/vga.h | 6 ------ arch/um/include/asm/vm86.h | 6 ------ 60 files changed, 2 insertions(+), 371 deletions(-) delete mode 100644 arch/um/include/asm/a.out.h delete mode 100644 arch/um/include/asm/alternative-asm.h delete mode 100644 arch/um/include/asm/alternative.h delete mode 100644 arch/um/include/asm/asm.h delete mode 100644 arch/um/include/asm/bitops.h delete mode 100644 arch/um/include/asm/boot.h delete mode 100644 arch/um/include/asm/bug.h delete mode 100644 arch/um/include/asm/byteorder.h delete mode 100644 arch/um/include/asm/cacheflush.h delete mode 100644 arch/um/include/asm/calling.h delete mode 100644 arch/um/include/asm/cmpxchg.h delete mode 100644 arch/um/include/asm/cobalt.h delete mode 100644 arch/um/include/asm/cpufeature.h delete mode 100644 arch/um/include/asm/div64.h delete mode 100644 arch/um/include/asm/dwarf2.h delete mode 100644 arch/um/include/asm/errno.h delete mode 100644 arch/um/include/asm/fcntl.h delete mode 100644 arch/um/include/asm/floppy.h delete mode 100644 arch/um/include/asm/frame.h delete mode 100644 arch/um/include/asm/ide.h delete mode 100644 arch/um/include/asm/ioctl.h delete mode 100644 arch/um/include/asm/ioctls.h delete mode 100644 arch/um/include/asm/ipcbuf.h delete mode 100644 arch/um/include/asm/linkage.h delete mode 100644 arch/um/include/asm/local.h delete mode 100644 arch/um/include/asm/locks.h delete mode 100644 arch/um/include/asm/mca_dma.h delete mode 100644 arch/um/include/asm/mman.h delete mode 100644 arch/um/include/asm/msgbuf.h delete mode 100644 arch/um/include/asm/mtrr.h delete mode 100644 arch/um/include/asm/nops.h delete mode 100644 arch/um/include/asm/paravirt.h delete mode 100644 arch/um/include/asm/percpu.h delete mode 100644 arch/um/include/asm/poll.h delete mode 100644 arch/um/include/asm/posix_types.h delete mode 100644 arch/um/include/asm/prctl.h delete mode 100644 arch/um/include/asm/resource.h delete mode 100644 arch/um/include/asm/rwlock.h delete mode 100644 arch/um/include/asm/rwsem.h delete mode 100644 arch/um/include/asm/scatterlist.h delete mode 100644 arch/um/include/asm/sembuf.h delete mode 100644 arch/um/include/asm/serial.h delete mode 100644 arch/um/include/asm/shmbuf.h delete mode 100644 arch/um/include/asm/shmparam.h delete mode 100644 arch/um/include/asm/siginfo.h delete mode 100644 arch/um/include/asm/socket.h delete mode 100644 arch/um/include/asm/sockios.h delete mode 100644 arch/um/include/asm/spinlock.h delete mode 100644 arch/um/include/asm/spinlock_types.h delete mode 100644 arch/um/include/asm/stat.h delete mode 100644 arch/um/include/asm/statfs.h delete mode 100644 arch/um/include/asm/termbits.h delete mode 100644 arch/um/include/asm/termios.h delete mode 100644 arch/um/include/asm/types.h delete mode 100644 arch/um/include/asm/ucontext.h delete mode 100644 arch/um/include/asm/unaligned.h delete mode 100644 arch/um/include/asm/user.h delete mode 100644 arch/um/include/asm/vga.h delete mode 100644 arch/um/include/asm/vm86.h (limited to 'arch/um/include/asm') diff --git a/arch/um/Makefile b/arch/um/Makefile index 4fc79f3030e..3474b105ee6 100644 --- a/arch/um/Makefile +++ b/arch/um/Makefile @@ -66,6 +66,8 @@ include $(srctree)/$(ARCH_DIR)/Makefile-$(SUBARCH) #This will adjust *FLAGS accordingly to the platform. include $(srctree)/$(ARCH_DIR)/Makefile-os-$(OS) +KBUILD_CPPFLAGS += -I$(srctree)/arch/$(HEADER_ARCH)/include + # -Derrno=kernel_errno - This turns all kernel references to errno into # kernel_errno to separate them from the libc errno. This allows -fno-common # in KBUILD_CFLAGS. Otherwise, it would cause ld to complain about the two different diff --git a/arch/um/include/asm/a.out.h b/arch/um/include/asm/a.out.h deleted file mode 100644 index 754181ee868..00000000000 --- a/arch/um/include/asm/a.out.h +++ /dev/null @@ -1,11 +0,0 @@ -/* - * Copyright (C) 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) - * Licensed under the GPL - */ - -#ifndef __UM_A_OUT_H -#define __UM_A_OUT_H - -#include "asm/arch/a.out.h" - -#endif diff --git a/arch/um/include/asm/alternative-asm.h b/arch/um/include/asm/alternative-asm.h deleted file mode 100644 index 9aa9fa2402a..00000000000 --- a/arch/um/include/asm/alternative-asm.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_ALTERNATIVE_ASM_I -#define __UM_ALTERNATIVE_ASM_I - -#include "asm/arch/alternative-asm.h" - -#endif diff --git a/arch/um/include/asm/alternative.h b/arch/um/include/asm/alternative.h deleted file mode 100644 index b6434396bd4..00000000000 --- a/arch/um/include/asm/alternative.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_ALTERNATIVE_H -#define __UM_ALTERNATIVE_H - -#include "asm/arch/alternative.h" - -#endif diff --git a/arch/um/include/asm/asm.h b/arch/um/include/asm/asm.h deleted file mode 100644 index af1269a1e9e..00000000000 --- a/arch/um/include/asm/asm.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_ASM_H -#define __UM_ASM_H - -#include "asm/arch/asm.h" - -#endif diff --git a/arch/um/include/asm/bitops.h b/arch/um/include/asm/bitops.h deleted file mode 100644 index e4d38d437b9..00000000000 --- a/arch/um/include/asm/bitops.h +++ /dev/null @@ -1,10 +0,0 @@ -#ifndef __UM_BITOPS_H -#define __UM_BITOPS_H - -#ifndef _LINUX_BITOPS_H -#error only can be included directly -#endif - -#include "asm/arch/bitops.h" - -#endif diff --git a/arch/um/include/asm/boot.h b/arch/um/include/asm/boot.h deleted file mode 100644 index 09548c3e784..00000000000 --- a/arch/um/include/asm/boot.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_BOOT_H -#define __UM_BOOT_H - -#include "asm/arch/boot.h" - -#endif diff --git a/arch/um/include/asm/bug.h b/arch/um/include/asm/bug.h deleted file mode 100644 index 9e33b864c35..00000000000 --- a/arch/um/include/asm/bug.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_BUG_H -#define __UM_BUG_H - -#include - -#endif diff --git a/arch/um/include/asm/byteorder.h b/arch/um/include/asm/byteorder.h deleted file mode 100644 index eee0a834f44..00000000000 --- a/arch/um/include/asm/byteorder.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_BYTEORDER_H -#define __UM_BYTEORDER_H - -#include "asm/arch/byteorder.h" - -#endif diff --git a/arch/um/include/asm/cacheflush.h b/arch/um/include/asm/cacheflush.h deleted file mode 100644 index 12e9d4b74c8..00000000000 --- a/arch/um/include/asm/cacheflush.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_CACHEFLUSH_H -#define __UM_CACHEFLUSH_H - -#include "asm/arch/cacheflush.h" - -#endif diff --git a/arch/um/include/asm/calling.h b/arch/um/include/asm/calling.h deleted file mode 100644 index 0b2384cc99f..00000000000 --- a/arch/um/include/asm/calling.h +++ /dev/null @@ -1,9 +0,0 @@ -# Copyright 2003 - 2004 Pathscale, Inc -# Released under the GPL - -#ifndef __UM_CALLING_H /* XXX x86_64 */ -#define __UM_CALLING_H - -#include "asm/arch/calling.h" - -#endif diff --git a/arch/um/include/asm/cmpxchg.h b/arch/um/include/asm/cmpxchg.h deleted file mode 100644 index 529376a9988..00000000000 --- a/arch/um/include/asm/cmpxchg.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_CMPXCHG_H -#define __UM_CMPXCHG_H - -#include "asm/arch/cmpxchg.h" - -#endif diff --git a/arch/um/include/asm/cobalt.h b/arch/um/include/asm/cobalt.h deleted file mode 100644 index f813a684be9..00000000000 --- a/arch/um/include/asm/cobalt.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_COBALT_H -#define __UM_COBALT_H - -#include "asm/arch/cobalt.h" - -#endif diff --git a/arch/um/include/asm/cpufeature.h b/arch/um/include/asm/cpufeature.h deleted file mode 100644 index fb7bd42a4d9..00000000000 --- a/arch/um/include/asm/cpufeature.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_CPUFEATURE_H -#define __UM_CPUFEATURE_H - -#include "asm/arch/cpufeature.h" - -#endif diff --git a/arch/um/include/asm/div64.h b/arch/um/include/asm/div64.h deleted file mode 100644 index 1e17f7409ca..00000000000 --- a/arch/um/include/asm/div64.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef _UM_DIV64_H -#define _UM_DIV64_H - -#include "asm/arch/div64.h" - -#endif diff --git a/arch/um/include/asm/dwarf2.h b/arch/um/include/asm/dwarf2.h deleted file mode 100644 index d1a02e76293..00000000000 --- a/arch/um/include/asm/dwarf2.h +++ /dev/null @@ -1,11 +0,0 @@ -/* Copyright 2003 - 2004 Pathscale, Inc - * Released under the GPL - */ - -/* Needed on x86_64 by thunk.S */ -#ifndef __UM_DWARF2_H -#define __UM_DWARF2_H - -#include "asm/arch/dwarf2.h" - -#endif diff --git a/arch/um/include/asm/errno.h b/arch/um/include/asm/errno.h deleted file mode 100644 index b7a9e37fd8d..00000000000 --- a/arch/um/include/asm/errno.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_ERRNO_H -#define __UM_ERRNO_H - -#include "asm/arch/errno.h" - -#endif diff --git a/arch/um/include/asm/fcntl.h b/arch/um/include/asm/fcntl.h deleted file mode 100644 index 812a65446d9..00000000000 --- a/arch/um/include/asm/fcntl.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_FCNTL_H -#define __UM_FCNTL_H - -#include "asm/arch/fcntl.h" - -#endif diff --git a/arch/um/include/asm/floppy.h b/arch/um/include/asm/floppy.h deleted file mode 100644 index 453e7415fb6..00000000000 --- a/arch/um/include/asm/floppy.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_FLOPPY_H -#define __UM_FLOPPY_H - -#include "asm/arch/floppy.h" - -#endif diff --git a/arch/um/include/asm/frame.h b/arch/um/include/asm/frame.h deleted file mode 100644 index 8a8c1cb415b..00000000000 --- a/arch/um/include/asm/frame.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_FRAME_I -#define __UM_FRAME_I - -#include "asm/arch/frame.h" - -#endif diff --git a/arch/um/include/asm/ide.h b/arch/um/include/asm/ide.h deleted file mode 100644 index 3d1ccebcfba..00000000000 --- a/arch/um/include/asm/ide.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_IDE_H -#define __UM_IDE_H - -#include "asm/arch/ide.h" - -#endif diff --git a/arch/um/include/asm/ioctl.h b/arch/um/include/asm/ioctl.h deleted file mode 100644 index cc22157346d..00000000000 --- a/arch/um/include/asm/ioctl.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_IOCTL_H -#define __UM_IOCTL_H - -#include "asm/arch/ioctl.h" - -#endif diff --git a/arch/um/include/asm/ioctls.h b/arch/um/include/asm/ioctls.h deleted file mode 100644 index 9a1a017de6a..00000000000 --- a/arch/um/include/asm/ioctls.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_IOCTLS_H -#define __UM_IOCTLS_H - -#include "asm/arch/ioctls.h" - -#endif diff --git a/arch/um/include/asm/ipcbuf.h b/arch/um/include/asm/ipcbuf.h deleted file mode 100644 index bb2ad31dc43..00000000000 --- a/arch/um/include/asm/ipcbuf.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_IPCBUF_H -#define __UM_IPCBUF_H - -#include "asm/arch/ipcbuf.h" - -#endif diff --git a/arch/um/include/asm/linkage.h b/arch/um/include/asm/linkage.h deleted file mode 100644 index 7dfce37adc8..00000000000 --- a/arch/um/include/asm/linkage.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ASM_UM_LINKAGE_H -#define __ASM_UM_LINKAGE_H - -#include "asm/arch/linkage.h" - -#endif diff --git a/arch/um/include/asm/local.h b/arch/um/include/asm/local.h deleted file mode 100644 index 9a280c5bb60..00000000000 --- a/arch/um/include/asm/local.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_LOCAL_H -#define __UM_LOCAL_H - -#include "asm/arch/local.h" - -#endif diff --git a/arch/um/include/asm/locks.h b/arch/um/include/asm/locks.h deleted file mode 100644 index f80030a3ef5..00000000000 --- a/arch/um/include/asm/locks.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_LOCKS_H -#define __UM_LOCKS_H - -#include "asm/arch/locks.h" - -#endif diff --git a/arch/um/include/asm/mca_dma.h b/arch/um/include/asm/mca_dma.h deleted file mode 100644 index e492e4ec139..00000000000 --- a/arch/um/include/asm/mca_dma.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef mca___UM_DMA_H -#define mca___UM_DMA_H - -#include "asm/arch/mca_dma.h" - -#endif diff --git a/arch/um/include/asm/mman.h b/arch/um/include/asm/mman.h deleted file mode 100644 index b09ed523019..00000000000 --- a/arch/um/include/asm/mman.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_MMAN_H -#define __UM_MMAN_H - -#include "asm/arch/mman.h" - -#endif diff --git a/arch/um/include/asm/msgbuf.h b/arch/um/include/asm/msgbuf.h deleted file mode 100644 index 8ce8c30d537..00000000000 --- a/arch/um/include/asm/msgbuf.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_MSGBUF_H -#define __UM_MSGBUF_H - -#include "asm/arch/msgbuf.h" - -#endif diff --git a/arch/um/include/asm/mtrr.h b/arch/um/include/asm/mtrr.h deleted file mode 100644 index 5e9cd12c578..00000000000 --- a/arch/um/include/asm/mtrr.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_MTRR_H -#define __UM_MTRR_H - -#include "asm/arch/mtrr.h" - -#endif diff --git a/arch/um/include/asm/nops.h b/arch/um/include/asm/nops.h deleted file mode 100644 index 814e9bf5dea..00000000000 --- a/arch/um/include/asm/nops.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_NOPS_H -#define __UM_NOPS_H - -#include "asm/arch/nops.h" - -#endif diff --git a/arch/um/include/asm/paravirt.h b/arch/um/include/asm/paravirt.h deleted file mode 100644 index 9d6aaad80b5..00000000000 --- a/arch/um/include/asm/paravirt.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_PARAVIRT_H -#define __UM_PARAVIRT_H - -#include "asm/arch/paravirt.h" - -#endif diff --git a/arch/um/include/asm/percpu.h b/arch/um/include/asm/percpu.h deleted file mode 100644 index 5723e2aab8e..00000000000 --- a/arch/um/include/asm/percpu.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_PERCPU_H -#define __UM_PERCPU_H - -#include "asm/arch/percpu.h" - -#endif diff --git a/arch/um/include/asm/poll.h b/arch/um/include/asm/poll.h deleted file mode 100644 index 1eb4e1bc638..00000000000 --- a/arch/um/include/asm/poll.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_POLL_H -#define __UM_POLL_H - -#include "asm/arch/poll.h" - -#endif diff --git a/arch/um/include/asm/posix_types.h b/arch/um/include/asm/posix_types.h deleted file mode 100644 index 32fb4198f64..00000000000 --- a/arch/um/include/asm/posix_types.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_POSIX_TYPES_H -#define __UM_POSIX_TYPES_H - -#include "asm/arch/posix_types.h" - -#endif diff --git a/arch/um/include/asm/prctl.h b/arch/um/include/asm/prctl.h deleted file mode 100644 index 64b6d099bdd..00000000000 --- a/arch/um/include/asm/prctl.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_PRCTL_H -#define __UM_PRCTL_H - -#include "asm/arch/prctl.h" - -#endif diff --git a/arch/um/include/asm/resource.h b/arch/um/include/asm/resource.h deleted file mode 100644 index c9b07400125..00000000000 --- a/arch/um/include/asm/resource.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_RESOURCE_H -#define __UM_RESOURCE_H - -#include "asm/arch/resource.h" - -#endif diff --git a/arch/um/include/asm/rwlock.h b/arch/um/include/asm/rwlock.h deleted file mode 100644 index ff383aafc9f..00000000000 --- a/arch/um/include/asm/rwlock.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_RWLOCK_H -#define __UM_RWLOCK_H - -#include "asm/arch/rwlock.h" - -#endif diff --git a/arch/um/include/asm/rwsem.h b/arch/um/include/asm/rwsem.h deleted file mode 100644 index b5fc449dc86..00000000000 --- a/arch/um/include/asm/rwsem.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_RWSEM_H__ -#define __UM_RWSEM_H__ - -#include "asm/arch/rwsem.h" - -#endif diff --git a/arch/um/include/asm/scatterlist.h b/arch/um/include/asm/scatterlist.h deleted file mode 100644 index e92016aa207..00000000000 --- a/arch/um/include/asm/scatterlist.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_SCATTERLIST_H -#define __UM_SCATTERLIST_H - -#include "asm/arch/scatterlist.h" - -#endif diff --git a/arch/um/include/asm/sembuf.h b/arch/um/include/asm/sembuf.h deleted file mode 100644 index 1ae82c14ff8..00000000000 --- a/arch/um/include/asm/sembuf.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_SEMBUF_H -#define __UM_SEMBUF_H - -#include "asm/arch/sembuf.h" - -#endif diff --git a/arch/um/include/asm/serial.h b/arch/um/include/asm/serial.h deleted file mode 100644 index 61ad07cfd2d..00000000000 --- a/arch/um/include/asm/serial.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_SERIAL_H -#define __UM_SERIAL_H - -#include "asm/arch/serial.h" - -#endif diff --git a/arch/um/include/asm/shmbuf.h b/arch/um/include/asm/shmbuf.h deleted file mode 100644 index 9684d4a284a..00000000000 --- a/arch/um/include/asm/shmbuf.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_SHMBUF_H -#define __UM_SHMBUF_H - -#include "asm/arch/shmbuf.h" - -#endif diff --git a/arch/um/include/asm/shmparam.h b/arch/um/include/asm/shmparam.h deleted file mode 100644 index 124c00174f6..00000000000 --- a/arch/um/include/asm/shmparam.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_SHMPARAM_H -#define __UM_SHMPARAM_H - -#include "asm/arch/shmparam.h" - -#endif diff --git a/arch/um/include/asm/siginfo.h b/arch/um/include/asm/siginfo.h deleted file mode 100644 index bec6124c36d..00000000000 --- a/arch/um/include/asm/siginfo.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_SIGINFO_H -#define __UM_SIGINFO_H - -#include "asm/arch/siginfo.h" - -#endif diff --git a/arch/um/include/asm/socket.h b/arch/um/include/asm/socket.h deleted file mode 100644 index 67886e42ef0..00000000000 --- a/arch/um/include/asm/socket.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_SOCKET_H -#define __UM_SOCKET_H - -#include "asm/arch/socket.h" - -#endif diff --git a/arch/um/include/asm/sockios.h b/arch/um/include/asm/sockios.h deleted file mode 100644 index 93ee1c55c4d..00000000000 --- a/arch/um/include/asm/sockios.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_SOCKIOS_H -#define __UM_SOCKIOS_H - -#include "asm/arch/sockios.h" - -#endif diff --git a/arch/um/include/asm/spinlock.h b/arch/um/include/asm/spinlock.h deleted file mode 100644 index f18c8288699..00000000000 --- a/arch/um/include/asm/spinlock.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_SPINLOCK_H -#define __UM_SPINLOCK_H - -#include "asm/arch/spinlock.h" - -#endif diff --git a/arch/um/include/asm/spinlock_types.h b/arch/um/include/asm/spinlock_types.h deleted file mode 100644 index e5a94294bf8..00000000000 --- a/arch/um/include/asm/spinlock_types.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_SPINLOCK_TYPES_H -#define __UM_SPINLOCK_TYPES_H - -#include "asm/arch/spinlock_types.h" - -#endif diff --git a/arch/um/include/asm/stat.h b/arch/um/include/asm/stat.h deleted file mode 100644 index 83ed85ad253..00000000000 --- a/arch/um/include/asm/stat.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_STAT_H -#define __UM_STAT_H - -#include "asm/arch/stat.h" - -#endif diff --git a/arch/um/include/asm/statfs.h b/arch/um/include/asm/statfs.h deleted file mode 100644 index ba6fb53e7f8..00000000000 --- a/arch/um/include/asm/statfs.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef _UM_STATFS_H -#define _UM_STATFS_H - -#include "asm/arch/statfs.h" - -#endif diff --git a/arch/um/include/asm/termbits.h b/arch/um/include/asm/termbits.h deleted file mode 100644 index 5739c608a2c..00000000000 --- a/arch/um/include/asm/termbits.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_TERMBITS_H -#define __UM_TERMBITS_H - -#include "asm/arch/termbits.h" - -#endif diff --git a/arch/um/include/asm/termios.h b/arch/um/include/asm/termios.h deleted file mode 100644 index d9f97b30331..00000000000 --- a/arch/um/include/asm/termios.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_TERMIOS_H -#define __UM_TERMIOS_H - -#include "asm/arch/termios.h" - -#endif diff --git a/arch/um/include/asm/types.h b/arch/um/include/asm/types.h deleted file mode 100644 index 816e9590fc7..00000000000 --- a/arch/um/include/asm/types.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_TYPES_H -#define __UM_TYPES_H - -#include "asm/arch/types.h" - -#endif diff --git a/arch/um/include/asm/ucontext.h b/arch/um/include/asm/ucontext.h deleted file mode 100644 index 5c96c0e607f..00000000000 --- a/arch/um/include/asm/ucontext.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef _ASM_UM_UCONTEXT_H -#define _ASM_UM_UCONTEXT_H - -#include "asm/arch/ucontext.h" - -#endif diff --git a/arch/um/include/asm/unaligned.h b/arch/um/include/asm/unaligned.h deleted file mode 100644 index a47196974e3..00000000000 --- a/arch/um/include/asm/unaligned.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef _ASM_UM_UNALIGNED_H -#define _ASM_UM_UNALIGNED_H - -#include "asm/arch/unaligned.h" - -#endif /* _ASM_UM_UNALIGNED_H */ diff --git a/arch/um/include/asm/user.h b/arch/um/include/asm/user.h deleted file mode 100644 index aae414ee1f5..00000000000 --- a/arch/um/include/asm/user.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_USER_H -#define __UM_USER_H - -#include "asm/arch/user.h" - -#endif diff --git a/arch/um/include/asm/vga.h b/arch/um/include/asm/vga.h deleted file mode 100644 index 903a592b00d..00000000000 --- a/arch/um/include/asm/vga.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_VGA_H -#define __UM_VGA_H - -#include "asm/arch/vga.h" - -#endif diff --git a/arch/um/include/asm/vm86.h b/arch/um/include/asm/vm86.h deleted file mode 100644 index 7801f82de1f..00000000000 --- a/arch/um/include/asm/vm86.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_VM86_H -#define __UM_VM86_H - -#include "asm/arch/vm86.h" - -#endif -- cgit v1.2.3-70-g09d2 From 3be311e324087d94050010b97821b9d77a45e92f Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 17 Aug 2008 23:58:32 -0400 Subject: x86, um: sanitize uml sigcontext.h uses a) the only difference between sigcontext and sysdep/sigcontext is that the former contains externs for two long-dead functions. Removed, switched the only user to sysdep/sigcontext b) asm/sigcontext.h is removable - that of underlying architecture would get used. Signed-off-by: Al Viro Signed-off-by: H. Peter Anvin --- arch/um/Makefile | 2 +- arch/um/include/asm/sigcontext-generic.h | 6 ------ arch/um/include/asm/sigcontext-i386.h | 6 ------ arch/um/include/asm/sigcontext-ppc.h | 10 ---------- arch/um/include/asm/sigcontext-x86_64.h | 22 ---------------------- arch/um/include/shared/sigcontext.h | 25 ------------------------- arch/um/kernel/signal.c | 2 +- 7 files changed, 2 insertions(+), 71 deletions(-) delete mode 100644 arch/um/include/asm/sigcontext-generic.h delete mode 100644 arch/um/include/asm/sigcontext-i386.h delete mode 100644 arch/um/include/asm/sigcontext-ppc.h delete mode 100644 arch/um/include/asm/sigcontext-x86_64.h delete mode 100644 arch/um/include/shared/sigcontext.h (limited to 'arch/um/include/asm') diff --git a/arch/um/Makefile b/arch/um/Makefile index 3474b105ee6..33d59f1ff57 100644 --- a/arch/um/Makefile +++ b/arch/um/Makefile @@ -19,7 +19,7 @@ core-y += $(ARCH_DIR)/kernel/ \ $(ARCH_DIR)/os-$(OS)/ # Have to precede the include because the included Makefiles reference them. -SYMLINK_HEADERS := archparam.h system.h sigcontext.h processor.h ptrace.h \ +SYMLINK_HEADERS := archparam.h system.h processor.h ptrace.h \ module.h vm-flags.h elf.h host_ldt.h SYMLINK_HEADERS := $(foreach header,$(SYMLINK_HEADERS),$(ARCH_DIR)/include/asm/$(header)) diff --git a/arch/um/include/asm/sigcontext-generic.h b/arch/um/include/asm/sigcontext-generic.h deleted file mode 100644 index 164587014c6..00000000000 --- a/arch/um/include/asm/sigcontext-generic.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_SIGCONTEXT_GENERIC_H -#define __UM_SIGCONTEXT_GENERIC_H - -#include "asm/arch/sigcontext.h" - -#endif diff --git a/arch/um/include/asm/sigcontext-i386.h b/arch/um/include/asm/sigcontext-i386.h deleted file mode 100644 index b88333f488b..00000000000 --- a/arch/um/include/asm/sigcontext-i386.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_SIGCONTEXT_I386_H -#define __UM_SIGCONTEXT_I386_H - -#include "asm/sigcontext-generic.h" - -#endif diff --git a/arch/um/include/asm/sigcontext-ppc.h b/arch/um/include/asm/sigcontext-ppc.h deleted file mode 100644 index 2467f20eda9..00000000000 --- a/arch/um/include/asm/sigcontext-ppc.h +++ /dev/null @@ -1,10 +0,0 @@ -#ifndef __UM_SIGCONTEXT_PPC_H -#define __UM_SIGCONTEXT_PPC_H - -#define pt_regs sys_pt_regs - -#include "asm/sigcontext-generic.h" - -#undef pt_regs - -#endif diff --git a/arch/um/include/asm/sigcontext-x86_64.h b/arch/um/include/asm/sigcontext-x86_64.h deleted file mode 100644 index b600e0b01e4..00000000000 --- a/arch/um/include/asm/sigcontext-x86_64.h +++ /dev/null @@ -1,22 +0,0 @@ -/* Copyright 2003 PathScale, Inc. - * - * Licensed under the GPL - */ - -#ifndef __UM_SIGCONTEXT_X86_64_H -#define __UM_SIGCONTEXT_X86_64_H - -#include "asm/sigcontext-generic.h" - -#endif - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/include/shared/sigcontext.h b/arch/um/include/shared/sigcontext.h deleted file mode 100644 index 59816ca7a8d..00000000000 --- a/arch/um/include/shared/sigcontext.h +++ /dev/null @@ -1,25 +0,0 @@ -/* - * Copyright (C) 2001, 2002 Jeff Dike (jdike@karaya.com) - * Licensed under the GPL - */ - -#ifndef __UML_SIGCONTEXT_H__ -#define __UML_SIGCONTEXT_H__ - -#include "sysdep/sigcontext.h" - -extern int sc_size(void *data); -extern void sc_to_sc(void *to_ptr, void *from_ptr); - -#endif - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/kernel/signal.c b/arch/um/kernel/signal.c index b0fce720c4d..b5c094c4ade 100644 --- a/arch/um/kernel/signal.c +++ b/arch/um/kernel/signal.c @@ -11,7 +11,7 @@ #include #include "frame_kern.h" #include "kern_util.h" -#include "sigcontext.h" +#include EXPORT_SYMBOL(block_signals); EXPORT_SYMBOL(unblock_signals); -- cgit v1.2.3-70-g09d2 From 2e074004c6b71a93c8e08c0dd5e3cec0b92ad0e5 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 18 Aug 2008 00:12:41 -0400 Subject: x86, um: get rid of uml signal.h the only theoretical reason for it these days is ppc; aside of uml/ppc being dead, do_signal() would be happier in arch/powerpc/kernel/signal.h anyway. Signed-off-by: Al Viro Signed-off-by: H. Peter Anvin --- arch/powerpc/include/asm/signal.h | 1 - arch/powerpc/kernel/signal.h | 2 ++ arch/um/include/asm/signal.h | 29 ----------------------------- 3 files changed, 2 insertions(+), 30 deletions(-) delete mode 100644 arch/um/include/asm/signal.h (limited to 'arch/um/include/asm') diff --git a/arch/powerpc/include/asm/signal.h b/arch/powerpc/include/asm/signal.h index a7360cdd99e..69f709d8e8e 100644 --- a/arch/powerpc/include/asm/signal.h +++ b/arch/powerpc/include/asm/signal.h @@ -122,7 +122,6 @@ typedef struct sigaltstack { #ifdef __KERNEL__ struct pt_regs; -extern void do_signal(struct pt_regs *regs, unsigned long thread_info_flags); #define ptrace_signal_deliver(regs, cookie) do { } while (0) #endif /* __KERNEL__ */ diff --git a/arch/powerpc/kernel/signal.h b/arch/powerpc/kernel/signal.h index 28f4b9f5fe5..b427bf8e1d8 100644 --- a/arch/powerpc/kernel/signal.h +++ b/arch/powerpc/kernel/signal.h @@ -12,6 +12,8 @@ #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) +extern void do_signal(struct pt_regs *regs, unsigned long thread_info_flags); + extern void __user * get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size); extern void restore_sigmask(sigset_t *set); diff --git a/arch/um/include/asm/signal.h b/arch/um/include/asm/signal.h deleted file mode 100644 index 52ed92cbce4..00000000000 --- a/arch/um/include/asm/signal.h +++ /dev/null @@ -1,29 +0,0 @@ -/* - * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) - * Licensed under the GPL - */ - -#ifndef __UM_SIGNAL_H -#define __UM_SIGNAL_H - -/* Need to kill the do_signal() declaration in the i386 signal.h */ - -#define do_signal do_signal_renamed -#include "asm/arch/signal.h" -#undef do_signal -#undef ptrace_signal_deliver - -#define ptrace_signal_deliver(regs, cookie) do {} while(0) - -#endif - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ -- cgit v1.2.3-70-g09d2 From 7127da4ee4447cb718c5ae553878458ec5e648f8 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 18 Aug 2008 00:14:39 -0400 Subject: x86, um: remove dead header (uml module-generic.h; never used these days) Signed-off-by: Al Viro Signed-off-by: H. Peter Anvin --- arch/um/include/asm/module-generic.h | 6 ------ 1 file changed, 6 deletions(-) delete mode 100644 arch/um/include/asm/module-generic.h (limited to 'arch/um/include/asm') diff --git a/arch/um/include/asm/module-generic.h b/arch/um/include/asm/module-generic.h deleted file mode 100644 index 5a265f56b17..00000000000 --- a/arch/um/include/asm/module-generic.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_MODULE_GENERIC_H -#define __UM_MODULE_GENERIC_H - -#include "asm/arch/module.h" - -#endif -- cgit v1.2.3-70-g09d2 From 5077c2a9cd43e8db71f8257e745e1d27e7b79d3f Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 18 Aug 2008 00:19:01 -0400 Subject: x86, um: get rid of more uml asm/arch uses Signed-off-by: Al Viro Signed-off-by: H. Peter Anvin --- arch/um/include/asm/processor-i386.h | 2 +- arch/um/include/asm/processor-x86_64.h | 2 +- arch/um/include/asm/ptrace-generic.h | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) (limited to 'arch/um/include/asm') diff --git a/arch/um/include/asm/processor-i386.h b/arch/um/include/asm/processor-i386.h index a2b7fe13fe1..4f8be006363 100644 --- a/arch/um/include/asm/processor-i386.h +++ b/arch/um/include/asm/processor-i386.h @@ -48,7 +48,7 @@ static inline void arch_copy_thread(struct arch_thread *from, memcpy(&to->tls_array, &from->tls_array, sizeof(from->tls_array)); } -#include "asm/arch/user.h" +#include /* REP NOP (PAUSE) is a good thing to insert into busy-wait loops. */ static inline void rep_nop(void) diff --git a/arch/um/include/asm/processor-x86_64.h b/arch/um/include/asm/processor-x86_64.h index e50933175e9..875a26a6261 100644 --- a/arch/um/include/asm/processor-x86_64.h +++ b/arch/um/include/asm/processor-x86_64.h @@ -40,7 +40,7 @@ static inline void arch_copy_thread(struct arch_thread *from, to->fs = from->fs; } -#include "asm/arch/user.h" +#include #define current_text_addr() \ ({ void *pc; __asm__("movq $1f,%0\n1:":"=g" (pc)); pc; }) diff --git a/arch/um/include/asm/ptrace-generic.h b/arch/um/include/asm/ptrace-generic.h index 315749705ea..6c8899013c9 100644 --- a/arch/um/include/asm/ptrace-generic.h +++ b/arch/um/include/asm/ptrace-generic.h @@ -8,7 +8,7 @@ #ifndef __ASSEMBLY__ -#include "asm/arch/ptrace-abi.h" +#include #include #include "sysdep/ptrace.h" -- cgit v1.2.3-70-g09d2 From efb21cc2384e385c4873ac6e7b23f16659469ea9 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 18 Aug 2008 01:26:38 -0400 Subject: x86, um: untangle uml ldt.h * turn asm/ldt.h into ldt.h; update the (very few) users * take host_ldt.h into sysdep, kill symlink mess * includes of asm/arch/ldt.h turn into asm/ldt.h now Signed-off-by: Al Viro Signed-off-by: H. Peter Anvin --- arch/um/Makefile | 2 +- arch/um/include/asm/host_ldt-i386.h | 34 ---------------------- arch/um/include/asm/host_ldt-x86_64.h | 38 ------------------------- arch/um/include/asm/ldt.h | 37 ------------------------ arch/um/include/asm/processor-i386.h | 2 +- arch/um/include/asm/ptrace-x86_64.h | 2 +- arch/um/include/shared/ldt.h | 37 ++++++++++++++++++++++++ arch/um/include/shared/sysdep-i386/host_ldt.h | 34 ++++++++++++++++++++++ arch/um/include/shared/sysdep-i386/tls.h | 2 +- arch/um/include/shared/sysdep-x86_64/host_ldt.h | 38 +++++++++++++++++++++++++ arch/um/include/shared/sysdep-x86_64/tls.h | 2 +- arch/um/include/shared/um_mmu.h | 2 +- 12 files changed, 115 insertions(+), 115 deletions(-) delete mode 100644 arch/um/include/asm/host_ldt-i386.h delete mode 100644 arch/um/include/asm/host_ldt-x86_64.h delete mode 100644 arch/um/include/asm/ldt.h create mode 100644 arch/um/include/shared/ldt.h create mode 100644 arch/um/include/shared/sysdep-i386/host_ldt.h create mode 100644 arch/um/include/shared/sysdep-x86_64/host_ldt.h (limited to 'arch/um/include/asm') diff --git a/arch/um/Makefile b/arch/um/Makefile index 33d59f1ff57..909d16b07a4 100644 --- a/arch/um/Makefile +++ b/arch/um/Makefile @@ -20,7 +20,7 @@ core-y += $(ARCH_DIR)/kernel/ \ # Have to precede the include because the included Makefiles reference them. SYMLINK_HEADERS := archparam.h system.h processor.h ptrace.h \ - module.h vm-flags.h elf.h host_ldt.h + module.h vm-flags.h elf.h SYMLINK_HEADERS := $(foreach header,$(SYMLINK_HEADERS),$(ARCH_DIR)/include/asm/$(header)) # XXX: The "os" symlink is only used by arch/um/include/os.h, which includes diff --git a/arch/um/include/asm/host_ldt-i386.h b/arch/um/include/asm/host_ldt-i386.h deleted file mode 100644 index b27cb0a9dd3..00000000000 --- a/arch/um/include/asm/host_ldt-i386.h +++ /dev/null @@ -1,34 +0,0 @@ -#ifndef __ASM_HOST_LDT_I386_H -#define __ASM_HOST_LDT_I386_H - -#include "asm/arch/ldt.h" - -/* - * macros stolen from include/asm-i386/desc.h - */ -#define LDT_entry_a(info) \ - ((((info)->base_addr & 0x0000ffff) << 16) | ((info)->limit & 0x0ffff)) - -#define LDT_entry_b(info) \ - (((info)->base_addr & 0xff000000) | \ - (((info)->base_addr & 0x00ff0000) >> 16) | \ - ((info)->limit & 0xf0000) | \ - (((info)->read_exec_only ^ 1) << 9) | \ - ((info)->contents << 10) | \ - (((info)->seg_not_present ^ 1) << 15) | \ - ((info)->seg_32bit << 22) | \ - ((info)->limit_in_pages << 23) | \ - ((info)->useable << 20) | \ - 0x7000) - -#define LDT_empty(info) (\ - (info)->base_addr == 0 && \ - (info)->limit == 0 && \ - (info)->contents == 0 && \ - (info)->read_exec_only == 1 && \ - (info)->seg_32bit == 0 && \ - (info)->limit_in_pages == 0 && \ - (info)->seg_not_present == 1 && \ - (info)->useable == 0 ) - -#endif diff --git a/arch/um/include/asm/host_ldt-x86_64.h b/arch/um/include/asm/host_ldt-x86_64.h deleted file mode 100644 index 74a63f7d9a9..00000000000 --- a/arch/um/include/asm/host_ldt-x86_64.h +++ /dev/null @@ -1,38 +0,0 @@ -#ifndef __ASM_HOST_LDT_X86_64_H -#define __ASM_HOST_LDT_X86_64_H - -#include "asm/arch/ldt.h" - -/* - * macros stolen from include/asm-x86_64/desc.h - */ -#define LDT_entry_a(info) \ - ((((info)->base_addr & 0x0000ffff) << 16) | ((info)->limit & 0x0ffff)) - -/* Don't allow setting of the lm bit. It is useless anyways because - * 64bit system calls require __USER_CS. */ -#define LDT_entry_b(info) \ - (((info)->base_addr & 0xff000000) | \ - (((info)->base_addr & 0x00ff0000) >> 16) | \ - ((info)->limit & 0xf0000) | \ - (((info)->read_exec_only ^ 1) << 9) | \ - ((info)->contents << 10) | \ - (((info)->seg_not_present ^ 1) << 15) | \ - ((info)->seg_32bit << 22) | \ - ((info)->limit_in_pages << 23) | \ - ((info)->useable << 20) | \ - /* ((info)->lm << 21) | */ \ - 0x7000) - -#define LDT_empty(info) (\ - (info)->base_addr == 0 && \ - (info)->limit == 0 && \ - (info)->contents == 0 && \ - (info)->read_exec_only == 1 && \ - (info)->seg_32bit == 0 && \ - (info)->limit_in_pages == 0 && \ - (info)->seg_not_present == 1 && \ - (info)->useable == 0 && \ - (info)->lm == 0) - -#endif diff --git a/arch/um/include/asm/ldt.h b/arch/um/include/asm/ldt.h deleted file mode 100644 index 52af512f5e7..00000000000 --- a/arch/um/include/asm/ldt.h +++ /dev/null @@ -1,37 +0,0 @@ -/* - * Copyright (C) 2004 Fujitsu Siemens Computers GmbH - * Licensed under the GPL - * - * Author: Bodo Stroesser - */ - -#ifndef __ASM_LDT_H -#define __ASM_LDT_H - -#include -#include "asm/host_ldt.h" - -extern void ldt_host_info(void); - -#define LDT_PAGES_MAX \ - ((LDT_ENTRIES * LDT_ENTRY_SIZE)/PAGE_SIZE) -#define LDT_ENTRIES_PER_PAGE \ - (PAGE_SIZE/LDT_ENTRY_SIZE) -#define LDT_DIRECT_ENTRIES \ - ((LDT_PAGES_MAX*sizeof(void *))/LDT_ENTRY_SIZE) - -struct ldt_entry { - __u32 a; - __u32 b; -}; - -typedef struct uml_ldt { - int entry_count; - struct mutex lock; - union { - struct ldt_entry * pages[LDT_PAGES_MAX]; - struct ldt_entry entries[LDT_DIRECT_ENTRIES]; - } u; -} uml_ldt_t; - -#endif diff --git a/arch/um/include/asm/processor-i386.h b/arch/um/include/asm/processor-i386.h index 4f8be006363..82a9061ab5b 100644 --- a/arch/um/include/asm/processor-i386.h +++ b/arch/um/include/asm/processor-i386.h @@ -7,7 +7,7 @@ #define __UM_PROCESSOR_I386_H #include "linux/string.h" -#include "asm/host_ldt.h" +#include #include "asm/segment.h" extern int host_has_cmov; diff --git a/arch/um/include/asm/ptrace-x86_64.h b/arch/um/include/asm/ptrace-x86_64.h index 4c475350dcf..2653fbaa352 100644 --- a/arch/um/include/asm/ptrace-x86_64.h +++ b/arch/um/include/asm/ptrace-x86_64.h @@ -9,7 +9,7 @@ #include "linux/compiler.h" #include "asm/errno.h" -#include "asm/host_ldt.h" +#include #define __FRAME_OFFSETS /* Needed to get the R* macros */ #include "asm/ptrace-generic.h" diff --git a/arch/um/include/shared/ldt.h b/arch/um/include/shared/ldt.h new file mode 100644 index 00000000000..a7f999a5877 --- /dev/null +++ b/arch/um/include/shared/ldt.h @@ -0,0 +1,37 @@ +/* + * Copyright (C) 2004 Fujitsu Siemens Computers GmbH + * Licensed under the GPL + * + * Author: Bodo Stroesser + */ + +#ifndef __ASM_LDT_H +#define __ASM_LDT_H + +#include +#include + +extern void ldt_host_info(void); + +#define LDT_PAGES_MAX \ + ((LDT_ENTRIES * LDT_ENTRY_SIZE)/PAGE_SIZE) +#define LDT_ENTRIES_PER_PAGE \ + (PAGE_SIZE/LDT_ENTRY_SIZE) +#define LDT_DIRECT_ENTRIES \ + ((LDT_PAGES_MAX*sizeof(void *))/LDT_ENTRY_SIZE) + +struct ldt_entry { + __u32 a; + __u32 b; +}; + +typedef struct uml_ldt { + int entry_count; + struct mutex lock; + union { + struct ldt_entry * pages[LDT_PAGES_MAX]; + struct ldt_entry entries[LDT_DIRECT_ENTRIES]; + } u; +} uml_ldt_t; + +#endif diff --git a/arch/um/include/shared/sysdep-i386/host_ldt.h b/arch/um/include/shared/sysdep-i386/host_ldt.h new file mode 100644 index 00000000000..0953cc4df65 --- /dev/null +++ b/arch/um/include/shared/sysdep-i386/host_ldt.h @@ -0,0 +1,34 @@ +#ifndef __ASM_HOST_LDT_I386_H +#define __ASM_HOST_LDT_I386_H + +#include + +/* + * macros stolen from include/asm-i386/desc.h + */ +#define LDT_entry_a(info) \ + ((((info)->base_addr & 0x0000ffff) << 16) | ((info)->limit & 0x0ffff)) + +#define LDT_entry_b(info) \ + (((info)->base_addr & 0xff000000) | \ + (((info)->base_addr & 0x00ff0000) >> 16) | \ + ((info)->limit & 0xf0000) | \ + (((info)->read_exec_only ^ 1) << 9) | \ + ((info)->contents << 10) | \ + (((info)->seg_not_present ^ 1) << 15) | \ + ((info)->seg_32bit << 22) | \ + ((info)->limit_in_pages << 23) | \ + ((info)->useable << 20) | \ + 0x7000) + +#define LDT_empty(info) (\ + (info)->base_addr == 0 && \ + (info)->limit == 0 && \ + (info)->contents == 0 && \ + (info)->read_exec_only == 1 && \ + (info)->seg_32bit == 0 && \ + (info)->limit_in_pages == 0 && \ + (info)->seg_not_present == 1 && \ + (info)->useable == 0 ) + +#endif diff --git a/arch/um/include/shared/sysdep-i386/tls.h b/arch/um/include/shared/sysdep-i386/tls.h index 918fd3c5ff9..34550755b2a 100644 --- a/arch/um/include/shared/sysdep-i386/tls.h +++ b/arch/um/include/shared/sysdep-i386/tls.h @@ -21,7 +21,7 @@ typedef struct um_dup_user_desc { # else /* __KERNEL__ */ -# include +# include typedef struct user_desc user_desc_t; # endif /* __KERNEL__ */ diff --git a/arch/um/include/shared/sysdep-x86_64/host_ldt.h b/arch/um/include/shared/sysdep-x86_64/host_ldt.h new file mode 100644 index 00000000000..e8b1be1e154 --- /dev/null +++ b/arch/um/include/shared/sysdep-x86_64/host_ldt.h @@ -0,0 +1,38 @@ +#ifndef __ASM_HOST_LDT_X86_64_H +#define __ASM_HOST_LDT_X86_64_H + +#include + +/* + * macros stolen from include/asm-x86_64/desc.h + */ +#define LDT_entry_a(info) \ + ((((info)->base_addr & 0x0000ffff) << 16) | ((info)->limit & 0x0ffff)) + +/* Don't allow setting of the lm bit. It is useless anyways because + * 64bit system calls require __USER_CS. */ +#define LDT_entry_b(info) \ + (((info)->base_addr & 0xff000000) | \ + (((info)->base_addr & 0x00ff0000) >> 16) | \ + ((info)->limit & 0xf0000) | \ + (((info)->read_exec_only ^ 1) << 9) | \ + ((info)->contents << 10) | \ + (((info)->seg_not_present ^ 1) << 15) | \ + ((info)->seg_32bit << 22) | \ + ((info)->limit_in_pages << 23) | \ + ((info)->useable << 20) | \ + /* ((info)->lm << 21) | */ \ + 0x7000) + +#define LDT_empty(info) (\ + (info)->base_addr == 0 && \ + (info)->limit == 0 && \ + (info)->contents == 0 && \ + (info)->read_exec_only == 1 && \ + (info)->seg_32bit == 0 && \ + (info)->limit_in_pages == 0 && \ + (info)->seg_not_present == 1 && \ + (info)->useable == 0 && \ + (info)->lm == 0) + +#endif diff --git a/arch/um/include/shared/sysdep-x86_64/tls.h b/arch/um/include/shared/sysdep-x86_64/tls.h index 35f19f25bd3..18c000d0357 100644 --- a/arch/um/include/shared/sysdep-x86_64/tls.h +++ b/arch/um/include/shared/sysdep-x86_64/tls.h @@ -22,7 +22,7 @@ typedef struct um_dup_user_desc { # else /* __KERNEL__ */ -# include +# include typedef struct user_desc user_desc_t; # endif /* __KERNEL__ */ diff --git a/arch/um/include/shared/um_mmu.h b/arch/um/include/shared/um_mmu.h index f575ff91f2a..4cc1ef4d022 100644 --- a/arch/um/include/shared/um_mmu.h +++ b/arch/um/include/shared/um_mmu.h @@ -8,7 +8,7 @@ #include "uml-config.h" #include "mm_id.h" -#include "asm/ldt.h" +#include "ldt.h" typedef struct mm_context { struct mm_id id; -- cgit v1.2.3-70-g09d2 From 32926b3be19fa4859c02f248a342f2d62822dcfe Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 18 Aug 2008 01:36:36 -0400 Subject: x86, um: uml atomic.h is not needed anymore Its only difference from underlying atomic.h used to be the include of kernel.h; it's not needed there anymore. Signed-off-by: Al Viro Signed-off-by: H. Peter Anvin --- arch/um/include/asm/atomic.h | 11 ----------- 1 file changed, 11 deletions(-) delete mode 100644 arch/um/include/asm/atomic.h (limited to 'arch/um/include/asm') diff --git a/arch/um/include/asm/atomic.h b/arch/um/include/asm/atomic.h deleted file mode 100644 index b683f1034d1..00000000000 --- a/arch/um/include/asm/atomic.h +++ /dev/null @@ -1,11 +0,0 @@ -#ifndef __UM_ATOMIC_H -#define __UM_ATOMIC_H - -/* The i386 atomic.h calls printk, but doesn't include kernel.h, so we - * include it here. - */ -#include "linux/kernel.h" - -#include "asm/arch/atomic.h" - -#endif -- cgit v1.2.3-70-g09d2 From 6a0eec8224db1191876770f7cac31f2a2637a6f5 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 18 Aug 2008 03:25:24 -0400 Subject: x86, um: get rid of system.h -> system.h include Long-term we want to split system.h and include barriers part from underlying target; for now copy that part to sysdep. Signed-off-by: Al Viro Signed-off-by: H. Peter Anvin --- arch/um/Makefile | 2 +- arch/um/include/asm/system-generic.h | 47 --------- arch/um/include/asm/system-i386.h | 6 -- arch/um/include/asm/system-ppc.h | 12 --- arch/um/include/asm/system-x86_64.h | 23 ----- arch/um/include/asm/system.h | 35 +++++++ arch/um/include/shared/sysdep-i386/system.h | 132 ++++++++++++++++++++++++++ arch/um/include/shared/sysdep-x86_64/system.h | 132 ++++++++++++++++++++++++++ 8 files changed, 300 insertions(+), 89 deletions(-) delete mode 100644 arch/um/include/asm/system-generic.h delete mode 100644 arch/um/include/asm/system-i386.h delete mode 100644 arch/um/include/asm/system-ppc.h delete mode 100644 arch/um/include/asm/system-x86_64.h create mode 100644 arch/um/include/asm/system.h create mode 100644 arch/um/include/shared/sysdep-i386/system.h create mode 100644 arch/um/include/shared/sysdep-x86_64/system.h (limited to 'arch/um/include/asm') diff --git a/arch/um/Makefile b/arch/um/Makefile index 909d16b07a4..11cb7baa0fe 100644 --- a/arch/um/Makefile +++ b/arch/um/Makefile @@ -19,7 +19,7 @@ core-y += $(ARCH_DIR)/kernel/ \ $(ARCH_DIR)/os-$(OS)/ # Have to precede the include because the included Makefiles reference them. -SYMLINK_HEADERS := archparam.h system.h processor.h ptrace.h \ +SYMLINK_HEADERS := archparam.h processor.h ptrace.h \ module.h vm-flags.h elf.h SYMLINK_HEADERS := $(foreach header,$(SYMLINK_HEADERS),$(ARCH_DIR)/include/asm/$(header)) diff --git a/arch/um/include/asm/system-generic.h b/arch/um/include/asm/system-generic.h deleted file mode 100644 index 5bcfa35e7a2..00000000000 --- a/arch/um/include/asm/system-generic.h +++ /dev/null @@ -1,47 +0,0 @@ -#ifndef __UM_SYSTEM_GENERIC_H -#define __UM_SYSTEM_GENERIC_H - -#include "asm/arch/system.h" - -#undef switch_to -#undef local_irq_save -#undef local_irq_restore -#undef local_irq_disable -#undef local_irq_enable -#undef local_save_flags -#undef local_irq_restore -#undef local_irq_enable -#undef local_irq_disable -#undef local_irq_save -#undef irqs_disabled - -extern void *switch_to(void *prev, void *next, void *last); - -extern int get_signals(void); -extern int set_signals(int enable); -extern int get_signals(void); -extern void block_signals(void); -extern void unblock_signals(void); - -#define local_save_flags(flags) do { typecheck(unsigned long, flags); \ - (flags) = get_signals(); } while(0) -#define local_irq_restore(flags) do { typecheck(unsigned long, flags); \ - set_signals(flags); } while(0) - -#define local_irq_save(flags) do { local_save_flags(flags); \ - local_irq_disable(); } while(0) - -#define local_irq_enable() unblock_signals() -#define local_irq_disable() block_signals() - -#define irqs_disabled() \ -({ \ - unsigned long flags; \ - local_save_flags(flags); \ - (flags == 0); \ -}) - -extern void *_switch_to(void *prev, void *next, void *last); -#define switch_to(prev, next, last) prev = _switch_to(prev, next, last) - -#endif diff --git a/arch/um/include/asm/system-i386.h b/arch/um/include/asm/system-i386.h deleted file mode 100644 index c436263e67b..00000000000 --- a/arch/um/include/asm/system-i386.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __UM_SYSTEM_I386_H -#define __UM_SYSTEM_I386_H - -#include "asm/system-generic.h" - -#endif diff --git a/arch/um/include/asm/system-ppc.h b/arch/um/include/asm/system-ppc.h deleted file mode 100644 index 17cde6640bf..00000000000 --- a/arch/um/include/asm/system-ppc.h +++ /dev/null @@ -1,12 +0,0 @@ -#ifndef __UM_SYSTEM_PPC_H -#define __UM_SYSTEM_PPC_H - -#define _switch_to _ppc_switch_to - -#include "asm/arch/system.h" - -#undef _switch_to - -#include "asm/system-generic.h" - -#endif diff --git a/arch/um/include/asm/system-x86_64.h b/arch/um/include/asm/system-x86_64.h deleted file mode 100644 index e1b61b58073..00000000000 --- a/arch/um/include/asm/system-x86_64.h +++ /dev/null @@ -1,23 +0,0 @@ -/* - * Copyright 2003 PathScale, Inc. - * - * Licensed under the GPL - */ - -#ifndef __UM_SYSTEM_X86_64_H -#define __UM_SYSTEM_X86_64_H - -#include "asm/system-generic.h" - -#endif - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/include/asm/system.h b/arch/um/include/asm/system.h new file mode 100644 index 00000000000..753346e2cdf --- /dev/null +++ b/arch/um/include/asm/system.h @@ -0,0 +1,35 @@ +#ifndef __UM_SYSTEM_GENERIC_H +#define __UM_SYSTEM_GENERIC_H + +#include "sysdep/system.h" + +extern void *switch_to(void *prev, void *next, void *last); + +extern int get_signals(void); +extern int set_signals(int enable); +extern int get_signals(void); +extern void block_signals(void); +extern void unblock_signals(void); + +#define local_save_flags(flags) do { typecheck(unsigned long, flags); \ + (flags) = get_signals(); } while(0) +#define local_irq_restore(flags) do { typecheck(unsigned long, flags); \ + set_signals(flags); } while(0) + +#define local_irq_save(flags) do { local_save_flags(flags); \ + local_irq_disable(); } while(0) + +#define local_irq_enable() unblock_signals() +#define local_irq_disable() block_signals() + +#define irqs_disabled() \ +({ \ + unsigned long flags; \ + local_save_flags(flags); \ + (flags == 0); \ +}) + +extern void *_switch_to(void *prev, void *next, void *last); +#define switch_to(prev, next, last) prev = _switch_to(prev, next, last) + +#endif diff --git a/arch/um/include/shared/sysdep-i386/system.h b/arch/um/include/shared/sysdep-i386/system.h new file mode 100644 index 00000000000..d1b93c43620 --- /dev/null +++ b/arch/um/include/shared/sysdep-i386/system.h @@ -0,0 +1,132 @@ +#ifndef _ASM_X86_SYSTEM_H_ +#define _ASM_X86_SYSTEM_H_ + +#include +#include +#include +#include +#include + +#include +#include + +/* entries in ARCH_DLINFO: */ +#ifdef CONFIG_IA32_EMULATION +# define AT_VECTOR_SIZE_ARCH 2 +#else +# define AT_VECTOR_SIZE_ARCH 1 +#endif + +extern unsigned long arch_align_stack(unsigned long sp); + +void default_idle(void); + +/* + * Force strict CPU ordering. + * And yes, this is required on UP too when we're talking + * to devices. + */ +#ifdef CONFIG_X86_32 +/* + * Some non-Intel clones support out of order store. wmb() ceases to be a + * nop for these. + */ +#define mb() alternative("lock; addl $0,0(%%esp)", "mfence", X86_FEATURE_XMM2) +#define rmb() alternative("lock; addl $0,0(%%esp)", "lfence", X86_FEATURE_XMM2) +#define wmb() alternative("lock; addl $0,0(%%esp)", "sfence", X86_FEATURE_XMM) +#else +#define mb() asm volatile("mfence":::"memory") +#define rmb() asm volatile("lfence":::"memory") +#define wmb() asm volatile("sfence" ::: "memory") +#endif + +/** + * read_barrier_depends - Flush all pending reads that subsequents reads + * depend on. + * + * No data-dependent reads from memory-like regions are ever reordered + * over this barrier. All reads preceding this primitive are guaranteed + * to access memory (but not necessarily other CPUs' caches) before any + * reads following this primitive that depend on the data return by + * any of the preceding reads. This primitive is much lighter weight than + * rmb() on most CPUs, and is never heavier weight than is + * rmb(). + * + * These ordering constraints are respected by both the local CPU + * and the compiler. + * + * Ordering is not guaranteed by anything other than these primitives, + * not even by data dependencies. See the documentation for + * memory_barrier() for examples and URLs to more information. + * + * For example, the following code would force ordering (the initial + * value of "a" is zero, "b" is one, and "p" is "&a"): + * + * + * CPU 0 CPU 1 + * + * b = 2; + * memory_barrier(); + * p = &b; q = p; + * read_barrier_depends(); + * d = *q; + * + * + * because the read of "*q" depends on the read of "p" and these + * two reads are separated by a read_barrier_depends(). However, + * the following code, with the same initial values for "a" and "b": + * + * + * CPU 0 CPU 1 + * + * a = 2; + * memory_barrier(); + * b = 3; y = b; + * read_barrier_depends(); + * x = a; + * + * + * does not enforce ordering, since there is no data dependency between + * the read of "a" and the read of "b". Therefore, on some CPUs, such + * as Alpha, "y" could be set to 3 and "x" to 0. Use rmb() + * in cases like this where there are no data dependencies. + **/ + +#define read_barrier_depends() do { } while (0) + +#ifdef CONFIG_SMP +#define smp_mb() mb() +#ifdef CONFIG_X86_PPRO_FENCE +# define smp_rmb() rmb() +#else +# define smp_rmb() barrier() +#endif +#ifdef CONFIG_X86_OOSTORE +# define smp_wmb() wmb() +#else +# define smp_wmb() barrier() +#endif +#define smp_read_barrier_depends() read_barrier_depends() +#define set_mb(var, value) do { (void)xchg(&var, value); } while (0) +#else +#define smp_mb() barrier() +#define smp_rmb() barrier() +#define smp_wmb() barrier() +#define smp_read_barrier_depends() do { } while (0) +#define set_mb(var, value) do { var = value; barrier(); } while (0) +#endif + +/* + * Stop RDTSC speculation. This is needed when you need to use RDTSC + * (or get_cycles or vread that possibly accesses the TSC) in a defined + * code region. + * + * (Could use an alternative three way for this if there was one.) + */ +static inline void rdtsc_barrier(void) +{ + alternative(ASM_NOP3, "mfence", X86_FEATURE_MFENCE_RDTSC); + alternative(ASM_NOP3, "lfence", X86_FEATURE_LFENCE_RDTSC); +} + +#endif diff --git a/arch/um/include/shared/sysdep-x86_64/system.h b/arch/um/include/shared/sysdep-x86_64/system.h new file mode 100644 index 00000000000..d1b93c43620 --- /dev/null +++ b/arch/um/include/shared/sysdep-x86_64/system.h @@ -0,0 +1,132 @@ +#ifndef _ASM_X86_SYSTEM_H_ +#define _ASM_X86_SYSTEM_H_ + +#include +#include +#include +#include +#include + +#include +#include + +/* entries in ARCH_DLINFO: */ +#ifdef CONFIG_IA32_EMULATION +# define AT_VECTOR_SIZE_ARCH 2 +#else +# define AT_VECTOR_SIZE_ARCH 1 +#endif + +extern unsigned long arch_align_stack(unsigned long sp); + +void default_idle(void); + +/* + * Force strict CPU ordering. + * And yes, this is required on UP too when we're talking + * to devices. + */ +#ifdef CONFIG_X86_32 +/* + * Some non-Intel clones support out of order store. wmb() ceases to be a + * nop for these. + */ +#define mb() alternative("lock; addl $0,0(%%esp)", "mfence", X86_FEATURE_XMM2) +#define rmb() alternative("lock; addl $0,0(%%esp)", "lfence", X86_FEATURE_XMM2) +#define wmb() alternative("lock; addl $0,0(%%esp)", "sfence", X86_FEATURE_XMM) +#else +#define mb() asm volatile("mfence":::"memory") +#define rmb() asm volatile("lfence":::"memory") +#define wmb() asm volatile("sfence" ::: "memory") +#endif + +/** + * read_barrier_depends - Flush all pending reads that subsequents reads + * depend on. + * + * No data-dependent reads from memory-like regions are ever reordered + * over this barrier. All reads preceding this primitive are guaranteed + * to access memory (but not necessarily other CPUs' caches) before any + * reads following this primitive that depend on the data return by + * any of the preceding reads. This primitive is much lighter weight than + * rmb() on most CPUs, and is never heavier weight than is + * rmb(). + * + * These ordering constraints are respected by both the local CPU + * and the compiler. + * + * Ordering is not guaranteed by anything other than these primitives, + * not even by data dependencies. See the documentation for + * memory_barrier() for examples and URLs to more information. + * + * For example, the following code would force ordering (the initial + * value of "a" is zero, "b" is one, and "p" is "&a"): + * + * + * CPU 0 CPU 1 + * + * b = 2; + * memory_barrier(); + * p = &b; q = p; + * read_barrier_depends(); + * d = *q; + * + * + * because the read of "*q" depends on the read of "p" and these + * two reads are separated by a read_barrier_depends(). However, + * the following code, with the same initial values for "a" and "b": + * + * + * CPU 0 CPU 1 + * + * a = 2; + * memory_barrier(); + * b = 3; y = b; + * read_barrier_depends(); + * x = a; + * + * + * does not enforce ordering, since there is no data dependency between + * the read of "a" and the read of "b". Therefore, on some CPUs, such + * as Alpha, "y" could be set to 3 and "x" to 0. Use rmb() + * in cases like this where there are no data dependencies. + **/ + +#define read_barrier_depends() do { } while (0) + +#ifdef CONFIG_SMP +#define smp_mb() mb() +#ifdef CONFIG_X86_PPRO_FENCE +# define smp_rmb() rmb() +#else +# define smp_rmb() barrier() +#endif +#ifdef CONFIG_X86_OOSTORE +# define smp_wmb() wmb() +#else +# define smp_wmb() barrier() +#endif +#define smp_read_barrier_depends() read_barrier_depends() +#define set_mb(var, value) do { (void)xchg(&var, value); } while (0) +#else +#define smp_mb() barrier() +#define smp_rmb() barrier() +#define smp_wmb() barrier() +#define smp_read_barrier_depends() do { } while (0) +#define set_mb(var, value) do { var = value; barrier(); } while (0) +#endif + +/* + * Stop RDTSC speculation. This is needed when you need to use RDTSC + * (or get_cycles or vread that possibly accesses the TSC) in a defined + * code region. + * + * (Could use an alternative three way for this if there was one.) + */ +static inline void rdtsc_barrier(void) +{ + alternative(ASM_NOP3, "mfence", X86_FEATURE_MFENCE_RDTSC); + alternative(ASM_NOP3, "lfence", X86_FEATURE_LFENCE_RDTSC); +} + +#endif -- cgit v1.2.3-70-g09d2 From ff64b4c18624ca545dd360c4fa65334d19ee7b6f Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 18 Aug 2008 04:01:47 -0400 Subject: x86, um: get rid of uml unistd.h Signed-off-by: Al Viro Signed-off-by: H. Peter Anvin --- arch/um/include/asm/unistd.h | 41 ----------------------------------------- arch/um/kernel/exec.c | 1 + arch/um/kernel/internal.h | 1 + arch/um/kernel/syscall.c | 1 + arch/um/sys-i386/syscalls.c | 1 + 5 files changed, 4 insertions(+), 41 deletions(-) delete mode 100644 arch/um/include/asm/unistd.h create mode 100644 arch/um/kernel/internal.h (limited to 'arch/um/include/asm') diff --git a/arch/um/include/asm/unistd.h b/arch/um/include/asm/unistd.h deleted file mode 100644 index 38bd9d94ee4..00000000000 --- a/arch/um/include/asm/unistd.h +++ /dev/null @@ -1,41 +0,0 @@ -/* - * Copyright (C) 2000 - 2004 Jeff Dike (jdike@karaya.com) - * Licensed under the GPL - */ - -#ifndef _UM_UNISTD_H_ -#define _UM_UNISTD_H_ - -#include -#include "linux/resource.h" -#include "asm/uaccess.h" - -extern int um_execve(const char *file, char *const argv[], char *const env[]); - -#ifdef __KERNEL__ -/* We get __ARCH_WANT_OLD_STAT and __ARCH_WANT_STAT64 from the base arch */ -#define __ARCH_WANT_OLD_READDIR -#define __ARCH_WANT_SYS_ALARM -#define __ARCH_WANT_SYS_GETHOSTNAME -#define __ARCH_WANT_SYS_PAUSE -#define __ARCH_WANT_SYS_SGETMASK -#define __ARCH_WANT_SYS_SIGNAL -#define __ARCH_WANT_SYS_TIME -#define __ARCH_WANT_SYS_UTIME -#define __ARCH_WANT_SYS_WAITPID -#define __ARCH_WANT_SYS_SOCKETCALL -#define __ARCH_WANT_SYS_FADVISE64 -#define __ARCH_WANT_SYS_GETPGRP -#define __ARCH_WANT_SYS_LLSEEK -#define __ARCH_WANT_SYS_NICE -#define __ARCH_WANT_SYS_OLD_GETRLIMIT -#define __ARCH_WANT_SYS_OLDUMOUNT -#define __ARCH_WANT_SYS_SIGPENDING -#define __ARCH_WANT_SYS_SIGPROCMASK -#define __ARCH_WANT_SYS_RT_SIGACTION -#define __ARCH_WANT_SYS_RT_SIGSUSPEND -#endif - -#include "asm/arch/unistd.h" - -#endif /* _UM_UNISTD_H_*/ diff --git a/arch/um/kernel/exec.c b/arch/um/kernel/exec.c index 598711c62c8..fda30d21fb9 100644 --- a/arch/um/kernel/exec.c +++ b/arch/um/kernel/exec.c @@ -15,6 +15,7 @@ #include "mem_user.h" #include "skas.h" #include "os.h" +#include "internal.h" void flush_thread(void) { diff --git a/arch/um/kernel/internal.h b/arch/um/kernel/internal.h new file mode 100644 index 00000000000..3bda43c7a78 --- /dev/null +++ b/arch/um/kernel/internal.h @@ -0,0 +1 @@ +extern long um_execve(char *file, char __user *__user *argv, char __user *__user *env); diff --git a/arch/um/kernel/syscall.c b/arch/um/kernel/syscall.c index 128ee85bc8d..c4df705b835 100644 --- a/arch/um/kernel/syscall.c +++ b/arch/um/kernel/syscall.c @@ -12,6 +12,7 @@ #include "asm/mman.h" #include "asm/uaccess.h" #include "asm/unistd.h" +#include "internal.h" long sys_fork(void) { diff --git a/arch/um/sys-i386/syscalls.c b/arch/um/sys-i386/syscalls.c index e2d14268441..857ca0b3bde 100644 --- a/arch/um/sys-i386/syscalls.c +++ b/arch/um/sys-i386/syscalls.c @@ -6,6 +6,7 @@ #include "linux/sched.h" #include "linux/shm.h" #include "linux/ipc.h" +#include "linux/syscalls.h" #include "asm/mman.h" #include "asm/uaccess.h" #include "asm/unistd.h" -- cgit v1.2.3-70-g09d2 From fe1cd9876fa6250a8eb3ae138917a2040eca2c47 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 18 Aug 2008 04:15:12 -0400 Subject: x86, um: get rid of uml highmem.h Signed-off-by: Al Viro Signed-off-by: H. Peter Anvin --- arch/um/include/asm/archparam-i386.h | 10 +++++----- arch/um/include/asm/fixmap.h | 1 + arch/um/include/asm/highmem.h | 12 ------------ arch/um/include/asm/pgtable.h | 8 ++++++++ 4 files changed, 14 insertions(+), 17 deletions(-) delete mode 100644 arch/um/include/asm/highmem.h (limited to 'arch/um/include/asm') diff --git a/arch/um/include/asm/archparam-i386.h b/arch/um/include/asm/archparam-i386.h index 49e89b8d7e5..93fd723344e 100644 --- a/arch/um/include/asm/archparam-i386.h +++ b/arch/um/include/asm/archparam-i386.h @@ -6,11 +6,11 @@ #ifndef __UM_ARCHPARAM_I386_H #define __UM_ARCHPARAM_I386_H -/********* Nothing for asm-um/hardirq.h **********/ - -/********* Nothing for asm-um/hw_irq.h **********/ - -/********* Nothing for asm-um/string.h **********/ +#ifdef CONFIG_X86_PAE +#define LAST_PKMAP 512 +#else +#define LAST_PKMAP 1024 +#endif #endif diff --git a/arch/um/include/asm/fixmap.h b/arch/um/include/asm/fixmap.h index 9d2be52b865..69c0252345f 100644 --- a/arch/um/include/asm/fixmap.h +++ b/arch/um/include/asm/fixmap.h @@ -6,6 +6,7 @@ #include #include #include +#include /* * Here we define all the compile-time 'special' virtual diff --git a/arch/um/include/asm/highmem.h b/arch/um/include/asm/highmem.h deleted file mode 100644 index 36974cb8abc..00000000000 --- a/arch/um/include/asm/highmem.h +++ /dev/null @@ -1,12 +0,0 @@ -#ifndef __UM_HIGHMEM_H -#define __UM_HIGHMEM_H - -#include "asm/page.h" -#include "asm/fixmap.h" -#include "asm/arch/highmem.h" - -#undef PKMAP_BASE - -#define PKMAP_BASE ((FIXADDR_START - LAST_PKMAP * PAGE_SIZE) & PMD_MASK) - -#endif diff --git a/arch/um/include/asm/pgtable.h b/arch/um/include/asm/pgtable.h index 02db81b7b86..58da2480a7f 100644 --- a/arch/um/include/asm/pgtable.h +++ b/arch/um/include/asm/pgtable.h @@ -47,6 +47,7 @@ extern unsigned long end_iomem; #define VMALLOC_OFFSET (__va_space) #define VMALLOC_START ((end_iomem + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)) +#define PKMAP_BASE ((FIXADDR_START - LAST_PKMAP * PAGE_SIZE) & PMD_MASK) #ifdef CONFIG_HIGHMEM # define VMALLOC_END (PKMAP_BASE-2*PAGE_SIZE) #else @@ -355,4 +356,11 @@ extern pte_t *virt_to_pte(struct mm_struct *mm, unsigned long addr); #include +/* Clear a kernel PTE and flush it from the TLB */ +#define kpte_clear_flush(ptep, vaddr) \ +do { \ + pte_clear(&init_mm, (vaddr), (ptep)); \ + __flush_tlb_one((vaddr)); \ +} while (0) + #endif -- cgit v1.2.3-70-g09d2 From 6b0eed4ef3d024c3a709fbc3bb45ee5b0ac8486d Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 18 Aug 2008 04:54:36 -0400 Subject: x86, um: get rid of uml asm/arch Signed-off-by: Al Viro Signed-off-by: H. Peter Anvin --- arch/um/Makefile | 13 ++----------- arch/um/include/asm/string.h | 7 ------- 2 files changed, 2 insertions(+), 18 deletions(-) delete mode 100644 arch/um/include/asm/string.h (limited to 'arch/um/include/asm') diff --git a/arch/um/Makefile b/arch/um/Makefile index 11cb7baa0fe..fac25e20212 100644 --- a/arch/um/Makefile +++ b/arch/um/Makefile @@ -28,7 +28,7 @@ SYMLINK_HEADERS := $(foreach header,$(SYMLINK_HEADERS),$(ARCH_DIR)/include/asm/$ # # These are cleaned up during mrproper. Please DO NOT fix it again, this is # the Correct Thing(tm) to do! -ARCH_SYMLINKS = $(ARCH_DIR)/include/asm/arch $(ARCH_DIR)/include/shared/sysdep $(ARCH_DIR)/os \ +ARCH_SYMLINKS = $(ARCH_DIR)/include/shared/sysdep $(ARCH_DIR)/os \ $(SYMLINK_HEADERS) $(ARCH_DIR)/include/shared/uml-config.h MODE_INCLUDE += -I$(srctree)/$(ARCH_DIR)/include/shared/skas @@ -38,7 +38,7 @@ include $(srctree)/$(ARCH_DIR)/Makefile-skas ARCH_INCLUDE := -I$(ARCH_DIR)/include/shared ifneq ($(KBUILD_SRC),) ARCH_INCLUDE += -I$(srctree)/$(ARCH_DIR)/include/shared -KBUILD_CPPFLAGS += -I$(ARCH_DIR)/include # for arch symlink +KBUILD_CPPFLAGS += -I$(ARCH_DIR)/include # for SYMLINK_HEADERS endif SYS_DIR := $(ARCH_DIR)/include/shared/sysdep-$(SUBARCH) @@ -154,15 +154,6 @@ else $(Q)ln -sf $(basename $(notdir $@))-$(SUBARCH)$(suffix $@) $@ endif -$(ARCH_DIR)/include/asm/arch: - @echo ' SYMLINK $@' -ifneq ($(KBUILD_SRC),) - $(Q)mkdir -p $(objtree)/$(ARCH_DIR)/include/asm - $(Q)ln -fsn $(srctree)/arch/$(HEADER_ARCH)/include/asm $@ -else - $(Q)ln -fsn ../../../$(HEADER_ARCH)/include/asm $@ -endif - $(objtree)/$(ARCH_DIR)/include/shared: @echo ' MKDIR $@' $(Q)mkdir -p $@ diff --git a/arch/um/include/asm/string.h b/arch/um/include/asm/string.h deleted file mode 100644 index 9a0571f6dd6..00000000000 --- a/arch/um/include/asm/string.h +++ /dev/null @@ -1,7 +0,0 @@ -#ifndef __UM_STRING_H -#define __UM_STRING_H - -#include "asm/arch/string.h" -#include "asm/archparam.h" - -#endif -- cgit v1.2.3-70-g09d2 From 2985cfdb04002b8e4c003a4008b2580aaebf75fc Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 18 Aug 2008 10:20:37 -0400 Subject: x86, um: take vm-flags.h to sysdep Signed-off-by: Al Viro Signed-off-by: H. Peter Anvin --- arch/um/Makefile | 3 +-- arch/um/include/asm/page.h | 2 +- arch/um/include/asm/vm-flags-i386.h | 14 ----------- arch/um/include/asm/vm-flags-x86_64.h | 33 ------------------------- arch/um/include/shared/sysdep-i386/vm-flags.h | 14 +++++++++++ arch/um/include/shared/sysdep-x86_64/vm-flags.h | 33 +++++++++++++++++++++++++ 6 files changed, 49 insertions(+), 50 deletions(-) delete mode 100644 arch/um/include/asm/vm-flags-i386.h delete mode 100644 arch/um/include/asm/vm-flags-x86_64.h create mode 100644 arch/um/include/shared/sysdep-i386/vm-flags.h create mode 100644 arch/um/include/shared/sysdep-x86_64/vm-flags.h (limited to 'arch/um/include/asm') diff --git a/arch/um/Makefile b/arch/um/Makefile index fac25e20212..3af8c81bf4f 100644 --- a/arch/um/Makefile +++ b/arch/um/Makefile @@ -19,8 +19,7 @@ core-y += $(ARCH_DIR)/kernel/ \ $(ARCH_DIR)/os-$(OS)/ # Have to precede the include because the included Makefiles reference them. -SYMLINK_HEADERS := archparam.h processor.h ptrace.h \ - module.h vm-flags.h elf.h +SYMLINK_HEADERS := archparam.h processor.h ptrace.h module.h elf.h SYMLINK_HEADERS := $(foreach header,$(SYMLINK_HEADERS),$(ARCH_DIR)/include/asm/$(header)) # XXX: The "os" symlink is only used by arch/um/include/os.h, which includes diff --git a/arch/um/include/asm/page.h b/arch/um/include/asm/page.h index a6df1f13d73..55f28a0bae6 100644 --- a/arch/um/include/asm/page.h +++ b/arch/um/include/asm/page.h @@ -19,7 +19,7 @@ struct page; #include -#include +#include /* * These are used to make use of C type-checking.. diff --git a/arch/um/include/asm/vm-flags-i386.h b/arch/um/include/asm/vm-flags-i386.h deleted file mode 100644 index e0d24c568db..00000000000 --- a/arch/um/include/asm/vm-flags-i386.h +++ /dev/null @@ -1,14 +0,0 @@ -/* - * Copyright (C) 2004 Jeff Dike (jdike@addtoit.com) - * Licensed under the GPL - */ - -#ifndef __VM_FLAGS_I386_H -#define __VM_FLAGS_I386_H - -#define VM_DATA_DEFAULT_FLAGS \ - (VM_READ | VM_WRITE | \ - ((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0 ) | \ - VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) - -#endif diff --git a/arch/um/include/asm/vm-flags-x86_64.h b/arch/um/include/asm/vm-flags-x86_64.h deleted file mode 100644 index 3213edfa788..00000000000 --- a/arch/um/include/asm/vm-flags-x86_64.h +++ /dev/null @@ -1,33 +0,0 @@ -/* - * Copyright (C) 2004 Jeff Dike (jdike@addtoit.com) - * Copyright 2003 PathScale, Inc. - * Licensed under the GPL - */ - -#ifndef __VM_FLAGS_X86_64_H -#define __VM_FLAGS_X86_64_H - -#define __VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \ - VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) -#define __VM_STACK_FLAGS (VM_GROWSDOWN | VM_READ | VM_WRITE | \ - VM_EXEC | VM_MAYREAD | VM_MAYWRITE | \ - VM_MAYEXEC) - -extern unsigned long vm_stack_flags, vm_stack_flags32; -extern unsigned long vm_data_default_flags, vm_data_default_flags32; -extern unsigned long vm_force_exec32; - -#ifdef TIF_IA32 -#define VM_DATA_DEFAULT_FLAGS \ - (test_thread_flag(TIF_IA32) ? vm_data_default_flags32 : \ - vm_data_default_flags) - -#define VM_STACK_DEFAULT_FLAGS \ - (test_thread_flag(TIF_IA32) ? vm_stack_flags32 : vm_stack_flags) -#endif - -#define VM_DATA_DEFAULT_FLAGS vm_data_default_flags - -#define VM_STACK_DEFAULT_FLAGS vm_stack_flags - -#endif diff --git a/arch/um/include/shared/sysdep-i386/vm-flags.h b/arch/um/include/shared/sysdep-i386/vm-flags.h new file mode 100644 index 00000000000..e0d24c568db --- /dev/null +++ b/arch/um/include/shared/sysdep-i386/vm-flags.h @@ -0,0 +1,14 @@ +/* + * Copyright (C) 2004 Jeff Dike (jdike@addtoit.com) + * Licensed under the GPL + */ + +#ifndef __VM_FLAGS_I386_H +#define __VM_FLAGS_I386_H + +#define VM_DATA_DEFAULT_FLAGS \ + (VM_READ | VM_WRITE | \ + ((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0 ) | \ + VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) + +#endif diff --git a/arch/um/include/shared/sysdep-x86_64/vm-flags.h b/arch/um/include/shared/sysdep-x86_64/vm-flags.h new file mode 100644 index 00000000000..3213edfa788 --- /dev/null +++ b/arch/um/include/shared/sysdep-x86_64/vm-flags.h @@ -0,0 +1,33 @@ +/* + * Copyright (C) 2004 Jeff Dike (jdike@addtoit.com) + * Copyright 2003 PathScale, Inc. + * Licensed under the GPL + */ + +#ifndef __VM_FLAGS_X86_64_H +#define __VM_FLAGS_X86_64_H + +#define __VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \ + VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) +#define __VM_STACK_FLAGS (VM_GROWSDOWN | VM_READ | VM_WRITE | \ + VM_EXEC | VM_MAYREAD | VM_MAYWRITE | \ + VM_MAYEXEC) + +extern unsigned long vm_stack_flags, vm_stack_flags32; +extern unsigned long vm_data_default_flags, vm_data_default_flags32; +extern unsigned long vm_force_exec32; + +#ifdef TIF_IA32 +#define VM_DATA_DEFAULT_FLAGS \ + (test_thread_flag(TIF_IA32) ? vm_data_default_flags32 : \ + vm_data_default_flags) + +#define VM_STACK_DEFAULT_FLAGS \ + (test_thread_flag(TIF_IA32) ? vm_stack_flags32 : vm_stack_flags) +#endif + +#define VM_DATA_DEFAULT_FLAGS vm_data_default_flags + +#define VM_STACK_DEFAULT_FLAGS vm_stack_flags + +#endif -- cgit v1.2.3-70-g09d2 From 17dcf75d3ea11d7e26110ba85677cfadbccecf45 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 18 Aug 2008 17:47:45 -0400 Subject: x86, um: trim the junk from uml ptrace-*.h Signed-off-by: Al Viro Signed-off-by: H. Peter Anvin --- arch/um/include/asm/ptrace-i386.h | 4 ---- arch/um/include/asm/ptrace-x86_64.h | 13 ++----------- 2 files changed, 2 insertions(+), 15 deletions(-) (limited to 'arch/um/include/asm') diff --git a/arch/um/include/asm/ptrace-i386.h b/arch/um/include/asm/ptrace-i386.h index b2d24c5ea2c..0273e4d09af 100644 --- a/arch/um/include/asm/ptrace-i386.h +++ b/arch/um/include/asm/ptrace-i386.h @@ -10,8 +10,6 @@ #include "linux/compiler.h" #include "asm/ptrace-generic.h" -#include -#include "sysdep/ptrace.h" #define PT_REGS_EAX(r) UPT_EAX(&(r)->regs) #define PT_REGS_EBX(r) UPT_EBX(&(r)->regs) @@ -34,8 +32,6 @@ #define PT_REGS_SYSCALL_RET(r) PT_REGS_EAX(r) #define PT_FIX_EXEC_STACK(sp) do ; while(0) -/* Cope with a conditional i386 definition. */ -#undef profile_pc #define profile_pc(regs) PT_REGS_IP(regs) #define user_mode(r) UPT_IS_USER(&(r)->regs) diff --git a/arch/um/include/asm/ptrace-x86_64.h b/arch/um/include/asm/ptrace-x86_64.h index 2653fbaa352..83d8c473b90 100644 --- a/arch/um/include/asm/ptrace-x86_64.h +++ b/arch/um/include/asm/ptrace-x86_64.h @@ -9,23 +9,12 @@ #include "linux/compiler.h" #include "asm/errno.h" -#include #define __FRAME_OFFSETS /* Needed to get the R* macros */ #include "asm/ptrace-generic.h" #define HOST_AUDIT_ARCH AUDIT_ARCH_X86_64 -/* Also defined in sysdep/ptrace.h, so may already be defined. */ -#ifndef FS_BASE -#define FS_BASE (21 * sizeof(unsigned long)) -#define GS_BASE (22 * sizeof(unsigned long)) -#define DS (23 * sizeof(unsigned long)) -#define ES (24 * sizeof(unsigned long)) -#define FS (25 * sizeof(unsigned long)) -#define GS (26 * sizeof(unsigned long)) -#endif - #define PT_REGS_RBX(r) UPT_RBX(&(r)->regs) #define PT_REGS_RCX(r) UPT_RCX(&(r)->regs) #define PT_REGS_RDX(r) UPT_RDX(&(r)->regs) @@ -64,6 +53,8 @@ #define profile_pc(regs) PT_REGS_IP(regs) +struct user_desc; + static inline int ptrace_get_thread_area(struct task_struct *child, int idx, struct user_desc __user *user_desc) { -- cgit v1.2.3-70-g09d2 From aa7bd942498512d6b77d1d0da846a8ecdd5d6186 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sat, 23 Aug 2008 17:28:20 -0400 Subject: x86, um: get rid of header symlinks Signed-off-by: Al Viro Signed-off-by: H. Peter Anvin --- arch/um/Makefile | 24 +-- arch/um/include/asm/archparam-i386.h | 26 --- arch/um/include/asm/archparam-ppc.h | 8 - arch/um/include/asm/archparam-x86_64.h | 26 --- arch/um/include/asm/elf-i386.h | 163 --------------- arch/um/include/asm/elf-ppc.h | 53 ----- arch/um/include/asm/elf-x86_64.h | 119 ----------- arch/um/include/asm/module-i386.h | 13 -- arch/um/include/asm/module-x86_64.h | 30 --- arch/um/include/asm/processor-i386.h | 78 ------- arch/um/include/asm/processor-ppc.h | 15 -- arch/um/include/asm/processor-x86_64.h | 56 ----- arch/um/include/asm/ptrace-i386.h | 56 ----- arch/um/include/asm/ptrace-x86_64.h | 72 ------- arch/um/sys-i386/asm/archparam.h | 26 +++ arch/um/sys-i386/asm/elf.h | 163 +++++++++++++++ arch/um/sys-i386/asm/module.h | 13 ++ arch/um/sys-i386/asm/processor.h | 78 +++++++ arch/um/sys-i386/asm/ptrace.h | 56 +++++ arch/um/sys-i386/shared/sysdep/archsetjmp.h | 22 ++ arch/um/sys-i386/shared/sysdep/barrier.h | 9 + arch/um/sys-i386/shared/sysdep/checksum.h | 211 +++++++++++++++++++ arch/um/sys-i386/shared/sysdep/faultinfo.h | 29 +++ arch/um/sys-i386/shared/sysdep/host_ldt.h | 34 +++ arch/um/sys-i386/shared/sysdep/kernel-offsets.h | 21 ++ arch/um/sys-i386/shared/sysdep/ptrace.h | 171 +++++++++++++++ arch/um/sys-i386/shared/sysdep/ptrace_user.h | 50 +++++ arch/um/sys-i386/shared/sysdep/sc.h | 44 ++++ arch/um/sys-i386/shared/sysdep/sigcontext.h | 26 +++ arch/um/sys-i386/shared/sysdep/skas_ptrace.h | 22 ++ arch/um/sys-i386/shared/sysdep/stub.h | 102 +++++++++ arch/um/sys-i386/shared/sysdep/syscalls.h | 26 +++ arch/um/sys-i386/shared/sysdep/system.h | 132 ++++++++++++ arch/um/sys-i386/shared/sysdep/tls.h | 32 +++ arch/um/sys-i386/shared/sysdep/vm-flags.h | 14 ++ arch/um/sys-i386/sysdep/archsetjmp.h | 22 -- arch/um/sys-i386/sysdep/barrier.h | 9 - arch/um/sys-i386/sysdep/checksum.h | 211 ------------------- arch/um/sys-i386/sysdep/faultinfo.h | 29 --- arch/um/sys-i386/sysdep/host_ldt.h | 34 --- arch/um/sys-i386/sysdep/kernel-offsets.h | 21 -- arch/um/sys-i386/sysdep/ptrace.h | 171 --------------- arch/um/sys-i386/sysdep/ptrace_user.h | 50 ----- arch/um/sys-i386/sysdep/sc.h | 44 ---- arch/um/sys-i386/sysdep/sigcontext.h | 26 --- arch/um/sys-i386/sysdep/skas_ptrace.h | 22 -- arch/um/sys-i386/sysdep/stub.h | 102 --------- arch/um/sys-i386/sysdep/syscalls.h | 26 --- arch/um/sys-i386/sysdep/system.h | 132 ------------ arch/um/sys-i386/sysdep/tls.h | 32 --- arch/um/sys-i386/sysdep/vm-flags.h | 14 -- arch/um/sys-ppc/asm/archparam.h | 8 + arch/um/sys-ppc/asm/elf.h | 53 +++++ arch/um/sys-ppc/asm/processor.h | 15 ++ arch/um/sys-ppc/shared/sysdep/ptrace.h | 103 ++++++++++ arch/um/sys-ppc/shared/sysdep/sigcontext.h | 62 ++++++ arch/um/sys-ppc/shared/sysdep/skas_ptrace.h | 22 ++ arch/um/sys-ppc/shared/sysdep/syscalls.h | 53 +++++ arch/um/sys-ppc/sysdep/ptrace.h | 103 ---------- arch/um/sys-ppc/sysdep/sigcontext.h | 62 ------ arch/um/sys-ppc/sysdep/skas_ptrace.h | 22 -- arch/um/sys-ppc/sysdep/syscalls.h | 53 ----- arch/um/sys-x86_64/asm/archparam.h | 26 +++ arch/um/sys-x86_64/asm/elf.h | 119 +++++++++++ arch/um/sys-x86_64/asm/module.h | 30 +++ arch/um/sys-x86_64/asm/processor.h | 56 +++++ arch/um/sys-x86_64/asm/ptrace.h | 72 +++++++ arch/um/sys-x86_64/shared/sysdep/archsetjmp.h | 24 +++ arch/um/sys-x86_64/shared/sysdep/barrier.h | 7 + arch/um/sys-x86_64/shared/sysdep/checksum.h | 144 +++++++++++++ arch/um/sys-x86_64/shared/sysdep/faultinfo.h | 29 +++ arch/um/sys-x86_64/shared/sysdep/host_ldt.h | 38 ++++ arch/um/sys-x86_64/shared/sysdep/kernel-offsets.h | 23 +++ arch/um/sys-x86_64/shared/sysdep/ptrace.h | 240 ++++++++++++++++++++++ arch/um/sys-x86_64/shared/sysdep/ptrace_user.h | 77 +++++++ arch/um/sys-x86_64/shared/sysdep/sc.h | 45 ++++ arch/um/sys-x86_64/shared/sysdep/sigcontext.h | 27 +++ arch/um/sys-x86_64/shared/sysdep/skas_ptrace.h | 22 ++ arch/um/sys-x86_64/shared/sysdep/stub.h | 108 ++++++++++ arch/um/sys-x86_64/shared/sysdep/syscalls.h | 33 +++ arch/um/sys-x86_64/shared/sysdep/system.h | 132 ++++++++++++ arch/um/sys-x86_64/shared/sysdep/tls.h | 29 +++ arch/um/sys-x86_64/shared/sysdep/vm-flags.h | 33 +++ arch/um/sys-x86_64/sysdep/archsetjmp.h | 24 --- arch/um/sys-x86_64/sysdep/barrier.h | 7 - arch/um/sys-x86_64/sysdep/checksum.h | 144 ------------- arch/um/sys-x86_64/sysdep/faultinfo.h | 29 --- arch/um/sys-x86_64/sysdep/host_ldt.h | 38 ---- arch/um/sys-x86_64/sysdep/kernel-offsets.h | 23 --- arch/um/sys-x86_64/sysdep/ptrace.h | 240 ---------------------- arch/um/sys-x86_64/sysdep/ptrace_user.h | 77 ------- arch/um/sys-x86_64/sysdep/sc.h | 45 ---- arch/um/sys-x86_64/sysdep/sigcontext.h | 27 --- arch/um/sys-x86_64/sysdep/skas_ptrace.h | 22 -- arch/um/sys-x86_64/sysdep/stub.h | 108 ---------- arch/um/sys-x86_64/sysdep/syscalls.h | 33 --- arch/um/sys-x86_64/sysdep/system.h | 132 ------------ arch/um/sys-x86_64/sysdep/tls.h | 29 --- arch/um/sys-x86_64/sysdep/vm-flags.h | 33 --- 99 files changed, 2916 insertions(+), 2930 deletions(-) delete mode 100644 arch/um/include/asm/archparam-i386.h delete mode 100644 arch/um/include/asm/archparam-ppc.h delete mode 100644 arch/um/include/asm/archparam-x86_64.h delete mode 100644 arch/um/include/asm/elf-i386.h delete mode 100644 arch/um/include/asm/elf-ppc.h delete mode 100644 arch/um/include/asm/elf-x86_64.h delete mode 100644 arch/um/include/asm/module-i386.h delete mode 100644 arch/um/include/asm/module-x86_64.h delete mode 100644 arch/um/include/asm/processor-i386.h delete mode 100644 arch/um/include/asm/processor-ppc.h delete mode 100644 arch/um/include/asm/processor-x86_64.h delete mode 100644 arch/um/include/asm/ptrace-i386.h delete mode 100644 arch/um/include/asm/ptrace-x86_64.h create mode 100644 arch/um/sys-i386/asm/archparam.h create mode 100644 arch/um/sys-i386/asm/elf.h create mode 100644 arch/um/sys-i386/asm/module.h create mode 100644 arch/um/sys-i386/asm/processor.h create mode 100644 arch/um/sys-i386/asm/ptrace.h create mode 100644 arch/um/sys-i386/shared/sysdep/archsetjmp.h create mode 100644 arch/um/sys-i386/shared/sysdep/barrier.h create mode 100644 arch/um/sys-i386/shared/sysdep/checksum.h create mode 100644 arch/um/sys-i386/shared/sysdep/faultinfo.h create mode 100644 arch/um/sys-i386/shared/sysdep/host_ldt.h create mode 100644 arch/um/sys-i386/shared/sysdep/kernel-offsets.h create mode 100644 arch/um/sys-i386/shared/sysdep/ptrace.h create mode 100644 arch/um/sys-i386/shared/sysdep/ptrace_user.h create mode 100644 arch/um/sys-i386/shared/sysdep/sc.h create mode 100644 arch/um/sys-i386/shared/sysdep/sigcontext.h create mode 100644 arch/um/sys-i386/shared/sysdep/skas_ptrace.h create mode 100644 arch/um/sys-i386/shared/sysdep/stub.h create mode 100644 arch/um/sys-i386/shared/sysdep/syscalls.h create mode 100644 arch/um/sys-i386/shared/sysdep/system.h create mode 100644 arch/um/sys-i386/shared/sysdep/tls.h create mode 100644 arch/um/sys-i386/shared/sysdep/vm-flags.h delete mode 100644 arch/um/sys-i386/sysdep/archsetjmp.h delete mode 100644 arch/um/sys-i386/sysdep/barrier.h delete mode 100644 arch/um/sys-i386/sysdep/checksum.h delete mode 100644 arch/um/sys-i386/sysdep/faultinfo.h delete mode 100644 arch/um/sys-i386/sysdep/host_ldt.h delete mode 100644 arch/um/sys-i386/sysdep/kernel-offsets.h delete mode 100644 arch/um/sys-i386/sysdep/ptrace.h delete mode 100644 arch/um/sys-i386/sysdep/ptrace_user.h delete mode 100644 arch/um/sys-i386/sysdep/sc.h delete mode 100644 arch/um/sys-i386/sysdep/sigcontext.h delete mode 100644 arch/um/sys-i386/sysdep/skas_ptrace.h delete mode 100644 arch/um/sys-i386/sysdep/stub.h delete mode 100644 arch/um/sys-i386/sysdep/syscalls.h delete mode 100644 arch/um/sys-i386/sysdep/system.h delete mode 100644 arch/um/sys-i386/sysdep/tls.h delete mode 100644 arch/um/sys-i386/sysdep/vm-flags.h create mode 100644 arch/um/sys-ppc/asm/archparam.h create mode 100644 arch/um/sys-ppc/asm/elf.h create mode 100644 arch/um/sys-ppc/asm/processor.h create mode 100644 arch/um/sys-ppc/shared/sysdep/ptrace.h create mode 100644 arch/um/sys-ppc/shared/sysdep/sigcontext.h create mode 100644 arch/um/sys-ppc/shared/sysdep/skas_ptrace.h create mode 100644 arch/um/sys-ppc/shared/sysdep/syscalls.h delete mode 100644 arch/um/sys-ppc/sysdep/ptrace.h delete mode 100644 arch/um/sys-ppc/sysdep/sigcontext.h delete mode 100644 arch/um/sys-ppc/sysdep/skas_ptrace.h delete mode 100644 arch/um/sys-ppc/sysdep/syscalls.h create mode 100644 arch/um/sys-x86_64/asm/archparam.h create mode 100644 arch/um/sys-x86_64/asm/elf.h create mode 100644 arch/um/sys-x86_64/asm/module.h create mode 100644 arch/um/sys-x86_64/asm/processor.h create mode 100644 arch/um/sys-x86_64/asm/ptrace.h create mode 100644 arch/um/sys-x86_64/shared/sysdep/archsetjmp.h create mode 100644 arch/um/sys-x86_64/shared/sysdep/barrier.h create mode 100644 arch/um/sys-x86_64/shared/sysdep/checksum.h create mode 100644 arch/um/sys-x86_64/shared/sysdep/faultinfo.h create mode 100644 arch/um/sys-x86_64/shared/sysdep/host_ldt.h create mode 100644 arch/um/sys-x86_64/shared/sysdep/kernel-offsets.h create mode 100644 arch/um/sys-x86_64/shared/sysdep/ptrace.h create mode 100644 arch/um/sys-x86_64/shared/sysdep/ptrace_user.h create mode 100644 arch/um/sys-x86_64/shared/sysdep/sc.h create mode 100644 arch/um/sys-x86_64/shared/sysdep/sigcontext.h create mode 100644 arch/um/sys-x86_64/shared/sysdep/skas_ptrace.h create mode 100644 arch/um/sys-x86_64/shared/sysdep/stub.h create mode 100644 arch/um/sys-x86_64/shared/sysdep/syscalls.h create mode 100644 arch/um/sys-x86_64/shared/sysdep/system.h create mode 100644 arch/um/sys-x86_64/shared/sysdep/tls.h create mode 100644 arch/um/sys-x86_64/shared/sysdep/vm-flags.h delete mode 100644 arch/um/sys-x86_64/sysdep/archsetjmp.h delete mode 100644 arch/um/sys-x86_64/sysdep/barrier.h delete mode 100644 arch/um/sys-x86_64/sysdep/checksum.h delete mode 100644 arch/um/sys-x86_64/sysdep/faultinfo.h delete mode 100644 arch/um/sys-x86_64/sysdep/host_ldt.h delete mode 100644 arch/um/sys-x86_64/sysdep/kernel-offsets.h delete mode 100644 arch/um/sys-x86_64/sysdep/ptrace.h delete mode 100644 arch/um/sys-x86_64/sysdep/ptrace_user.h delete mode 100644 arch/um/sys-x86_64/sysdep/sc.h delete mode 100644 arch/um/sys-x86_64/sysdep/sigcontext.h delete mode 100644 arch/um/sys-x86_64/sysdep/skas_ptrace.h delete mode 100644 arch/um/sys-x86_64/sysdep/stub.h delete mode 100644 arch/um/sys-x86_64/sysdep/syscalls.h delete mode 100644 arch/um/sys-x86_64/sysdep/system.h delete mode 100644 arch/um/sys-x86_64/sysdep/tls.h delete mode 100644 arch/um/sys-x86_64/sysdep/vm-flags.h (limited to 'arch/um/include/asm') diff --git a/arch/um/Makefile b/arch/um/Makefile index bc070cef3ce..2606bdaefcb 100644 --- a/arch/um/Makefile +++ b/arch/um/Makefile @@ -18,28 +18,23 @@ core-y += $(ARCH_DIR)/kernel/ \ $(ARCH_DIR)/drivers/ \ $(ARCH_DIR)/os-$(OS)/ -# Have to precede the include because the included Makefiles reference them. -SYMLINK_HEADERS := archparam.h processor.h ptrace.h module.h elf.h -SYMLINK_HEADERS := $(foreach header,$(SYMLINK_HEADERS),$(ARCH_DIR)/include/asm/$(header)) - # XXX: The "os" symlink is only used by arch/um/include/os.h, which includes # ../os/include/file.h # # These are cleaned up during mrproper. Please DO NOT fix it again, this is # the Correct Thing(tm) to do! -ARCH_SYMLINKS = $(ARCH_DIR)/os \ - $(SYMLINK_HEADERS) $(ARCH_DIR)/include/shared/uml-config.h +ARCH_SYMLINKS = $(ARCH_DIR)/os $(ARCH_DIR)/include/shared/uml-config.h MODE_INCLUDE += -I$(srctree)/$(ARCH_DIR)/include/shared/skas include $(srctree)/$(ARCH_DIR)/Makefile-skas -ARCH_INCLUDE := -I$(ARCH_DIR)/include/shared +ARCH_INCLUDE := -I$(srctree)/$(ARCH_DIR)/include/shared +ARCH_INCLUDE += -I$(srctree)/$(ARCH_DIR)/sys-$(SUBARCH)/shared ifneq ($(KBUILD_SRC),) -ARCH_INCLUDE += -I$(srctree)/$(ARCH_DIR)/include/shared -KBUILD_CPPFLAGS += -I$(ARCH_DIR)/include # for SYMLINK_HEADERS +ARCH_INCLUDE += -I$(ARCH_DIR)/include/shared # for three generated files endif -ARCH_INCLUDE += -I$(srctree)/$(ARCH_DIR)/sys-$(SUBARCH) # for sysdep +KBUILD_CPPFLAGS += -I$(srctree)/$(ARCH_DIR)/sys-$(SUBARCH) # -Dvmap=kernel_vmap prevents anything from referencing the libpcap.o symbol so # named - it's a common symbol in libpcap, so we get a binary which crashes. @@ -144,15 +139,6 @@ archclean: @find . \( -name '*.bb' -o -name '*.bbg' -o -name '*.da' \ -o -name '*.gcov' \) -type f -print | xargs rm -f -$(SYMLINK_HEADERS): - @echo ' SYMLINK $@' -ifneq ($(KBUILD_SRC),) - $(Q)mkdir -p $(objtree)/$(ARCH_DIR)/include/asm - $(Q)ln -fsn $(srctree)/$(ARCH_DIR)/include/asm/$(basename $(notdir $@))-$(SUBARCH)$(suffix $@) $@ -else - $(Q)ln -sf $(basename $(notdir $@))-$(SUBARCH)$(suffix $@) $@ -endif - $(objtree)/$(ARCH_DIR)/include/shared: @echo ' MKDIR $@' $(Q)mkdir -p $@ diff --git a/arch/um/include/asm/archparam-i386.h b/arch/um/include/asm/archparam-i386.h deleted file mode 100644 index 93fd723344e..00000000000 --- a/arch/um/include/asm/archparam-i386.h +++ /dev/null @@ -1,26 +0,0 @@ -/* - * Copyright (C) 2000 - 2003 Jeff Dike (jdike@addtoit.com) - * Licensed under the GPL - */ - -#ifndef __UM_ARCHPARAM_I386_H -#define __UM_ARCHPARAM_I386_H - -#ifdef CONFIG_X86_PAE -#define LAST_PKMAP 512 -#else -#define LAST_PKMAP 1024 -#endif - -#endif - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/include/asm/archparam-ppc.h b/arch/um/include/asm/archparam-ppc.h deleted file mode 100644 index 4269d8a37b4..00000000000 --- a/arch/um/include/asm/archparam-ppc.h +++ /dev/null @@ -1,8 +0,0 @@ -#ifndef __UM_ARCHPARAM_PPC_H -#define __UM_ARCHPARAM_PPC_H - -/********* Bits for asm-um/string.h **********/ - -#define __HAVE_ARCH_STRRCHR - -#endif diff --git a/arch/um/include/asm/archparam-x86_64.h b/arch/um/include/asm/archparam-x86_64.h deleted file mode 100644 index 270ed9586b6..00000000000 --- a/arch/um/include/asm/archparam-x86_64.h +++ /dev/null @@ -1,26 +0,0 @@ -/* - * Copyright 2003 PathScale, Inc. - * - * Licensed under the GPL - */ - -#ifndef __UM_ARCHPARAM_X86_64_H -#define __UM_ARCHPARAM_X86_64_H - - -/* No user-accessible fixmap addresses, i.e. vsyscall */ -#define FIXADDR_USER_START 0 -#define FIXADDR_USER_END 0 - -#endif - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/include/asm/elf-i386.h b/arch/um/include/asm/elf-i386.h deleted file mode 100644 index d0da9d7c537..00000000000 --- a/arch/um/include/asm/elf-i386.h +++ /dev/null @@ -1,163 +0,0 @@ -/* - * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) - * Licensed under the GPL - */ -#ifndef __UM_ELF_I386_H -#define __UM_ELF_I386_H - -#include -#include "skas.h" - -#define R_386_NONE 0 -#define R_386_32 1 -#define R_386_PC32 2 -#define R_386_GOT32 3 -#define R_386_PLT32 4 -#define R_386_COPY 5 -#define R_386_GLOB_DAT 6 -#define R_386_JMP_SLOT 7 -#define R_386_RELATIVE 8 -#define R_386_GOTOFF 9 -#define R_386_GOTPC 10 -#define R_386_NUM 11 - -typedef unsigned long elf_greg_t; - -#define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof(elf_greg_t)) -typedef elf_greg_t elf_gregset_t[ELF_NGREG]; - -typedef struct user_i387_struct elf_fpregset_t; - -/* - * This is used to ensure we don't load something for the wrong architecture. - */ -#define elf_check_arch(x) \ - (((x)->e_machine == EM_386) || ((x)->e_machine == EM_486)) - -#define ELF_CLASS ELFCLASS32 -#define ELF_DATA ELFDATA2LSB -#define ELF_ARCH EM_386 - -#define ELF_PLAT_INIT(regs, load_addr) do { \ - PT_REGS_EBX(regs) = 0; \ - PT_REGS_ECX(regs) = 0; \ - PT_REGS_EDX(regs) = 0; \ - PT_REGS_ESI(regs) = 0; \ - PT_REGS_EDI(regs) = 0; \ - PT_REGS_EBP(regs) = 0; \ - PT_REGS_EAX(regs) = 0; \ -} while (0) - -#define USE_ELF_CORE_DUMP -#define ELF_EXEC_PAGESIZE 4096 - -#define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3) - -/* Shamelessly stolen from include/asm-i386/elf.h */ - -#define ELF_CORE_COPY_REGS(pr_reg, regs) do { \ - pr_reg[0] = PT_REGS_EBX(regs); \ - pr_reg[1] = PT_REGS_ECX(regs); \ - pr_reg[2] = PT_REGS_EDX(regs); \ - pr_reg[3] = PT_REGS_ESI(regs); \ - pr_reg[4] = PT_REGS_EDI(regs); \ - pr_reg[5] = PT_REGS_EBP(regs); \ - pr_reg[6] = PT_REGS_EAX(regs); \ - pr_reg[7] = PT_REGS_DS(regs); \ - pr_reg[8] = PT_REGS_ES(regs); \ - /* fake once used fs and gs selectors? */ \ - pr_reg[9] = PT_REGS_DS(regs); \ - pr_reg[10] = PT_REGS_DS(regs); \ - pr_reg[11] = PT_REGS_SYSCALL_NR(regs); \ - pr_reg[12] = PT_REGS_IP(regs); \ - pr_reg[13] = PT_REGS_CS(regs); \ - pr_reg[14] = PT_REGS_EFLAGS(regs); \ - pr_reg[15] = PT_REGS_SP(regs); \ - pr_reg[16] = PT_REGS_SS(regs); \ -} while (0); - -extern int elf_core_copy_fpregs(struct task_struct *t, elf_fpregset_t *fpu); - -#define ELF_CORE_COPY_FPREGS(t, fpu) elf_core_copy_fpregs(t, fpu) - -extern long elf_aux_hwcap; -#define ELF_HWCAP (elf_aux_hwcap) - -extern char * elf_aux_platform; -#define ELF_PLATFORM (elf_aux_platform) - -#define SET_PERSONALITY(ex) do { } while (0) - -extern unsigned long vsyscall_ehdr; -extern unsigned long vsyscall_end; -extern unsigned long __kernel_vsyscall; - -#define VSYSCALL_BASE vsyscall_ehdr -#define VSYSCALL_END vsyscall_end - -/* - * This is the range that is readable by user mode, and things - * acting like user mode such as get_user_pages. - */ -#define FIXADDR_USER_START VSYSCALL_BASE -#define FIXADDR_USER_END VSYSCALL_END - -/* - * Architecture-neutral AT_ values in 0-17, leave some room - * for more of them, start the x86-specific ones at 32. - */ -#define AT_SYSINFO 32 -#define AT_SYSINFO_EHDR 33 - -#define ARCH_DLINFO \ -do { \ - if ( vsyscall_ehdr ) { \ - NEW_AUX_ENT(AT_SYSINFO, __kernel_vsyscall); \ - NEW_AUX_ENT(AT_SYSINFO_EHDR, vsyscall_ehdr); \ - } \ -} while (0) - -/* - * These macros parameterize elf_core_dump in fs/binfmt_elf.c to write out - * extra segments containing the vsyscall DSO contents. Dumping its - * contents makes post-mortem fully interpretable later without matching up - * the same kernel and hardware config to see what PC values meant. - * Dumping its extra ELF program headers includes all the other information - * a debugger needs to easily find how the vsyscall DSO was being used. - */ -#define ELF_CORE_EXTRA_PHDRS \ - (vsyscall_ehdr ? (((struct elfhdr *)vsyscall_ehdr)->e_phnum) : 0 ) - -#define ELF_CORE_WRITE_EXTRA_PHDRS \ -if ( vsyscall_ehdr ) { \ - const struct elfhdr *const ehdrp = (struct elfhdr *)vsyscall_ehdr; \ - const struct elf_phdr *const phdrp = \ - (const struct elf_phdr *) (vsyscall_ehdr + ehdrp->e_phoff); \ - int i; \ - Elf32_Off ofs = 0; \ - for (i = 0; i < ehdrp->e_phnum; ++i) { \ - struct elf_phdr phdr = phdrp[i]; \ - if (phdr.p_type == PT_LOAD) { \ - ofs = phdr.p_offset = offset; \ - offset += phdr.p_filesz; \ - } \ - else \ - phdr.p_offset += ofs; \ - phdr.p_paddr = 0; /* match other core phdrs */ \ - DUMP_WRITE(&phdr, sizeof(phdr)); \ - } \ -} -#define ELF_CORE_WRITE_EXTRA_DATA \ -if ( vsyscall_ehdr ) { \ - const struct elfhdr *const ehdrp = (struct elfhdr *)vsyscall_ehdr; \ - const struct elf_phdr *const phdrp = \ - (const struct elf_phdr *) (vsyscall_ehdr + ehdrp->e_phoff); \ - int i; \ - for (i = 0; i < ehdrp->e_phnum; ++i) { \ - if (phdrp[i].p_type == PT_LOAD) \ - DUMP_WRITE((void *) phdrp[i].p_vaddr, \ - phdrp[i].p_filesz); \ - } \ -} - -#endif diff --git a/arch/um/include/asm/elf-ppc.h b/arch/um/include/asm/elf-ppc.h deleted file mode 100644 index af9463cd8ce..00000000000 --- a/arch/um/include/asm/elf-ppc.h +++ /dev/null @@ -1,53 +0,0 @@ -#ifndef __UM_ELF_PPC_H -#define __UM_ELF_PPC_H - - -extern long elf_aux_hwcap; -#define ELF_HWCAP (elf_aux_hwcap) - -#define SET_PERSONALITY(ex) do ; while(0) - -#define ELF_EXEC_PAGESIZE 4096 - -#define elf_check_arch(x) (1) - -#ifdef CONFIG_64BIT -#define ELF_CLASS ELFCLASS64 -#else -#define ELF_CLASS ELFCLASS32 -#endif - -#define USE_ELF_CORE_DUMP - -#define R_386_NONE 0 -#define R_386_32 1 -#define R_386_PC32 2 -#define R_386_GOT32 3 -#define R_386_PLT32 4 -#define R_386_COPY 5 -#define R_386_GLOB_DAT 6 -#define R_386_JMP_SLOT 7 -#define R_386_RELATIVE 8 -#define R_386_GOTOFF 9 -#define R_386_GOTPC 10 -#define R_386_NUM 11 - -#define ELF_PLATFORM (0) - -#define ELF_ET_DYN_BASE (0x08000000) - -/* the following stolen from asm-ppc/elf.h */ -#define ELF_NGREG 48 /* includes nip, msr, lr, etc. */ -#define ELF_NFPREG 33 /* includes fpscr */ -/* General registers */ -typedef unsigned long elf_greg_t; -typedef elf_greg_t elf_gregset_t[ELF_NGREG]; - -/* Floating point registers */ -typedef double elf_fpreg_t; -typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG]; - -#define ELF_DATA ELFDATA2MSB -#define ELF_ARCH EM_PPC - -#endif diff --git a/arch/um/include/asm/elf-x86_64.h b/arch/um/include/asm/elf-x86_64.h deleted file mode 100644 index 6e8a9195e95..00000000000 --- a/arch/um/include/asm/elf-x86_64.h +++ /dev/null @@ -1,119 +0,0 @@ -/* - * Copyright 2003 PathScale, Inc. - * Copyright (C) 2003 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) - * - * Licensed under the GPL - */ -#ifndef __UM_ELF_X86_64_H -#define __UM_ELF_X86_64_H - -#include -#include "skas.h" - -/* x86-64 relocation types, taken from asm-x86_64/elf.h */ -#define R_X86_64_NONE 0 /* No reloc */ -#define R_X86_64_64 1 /* Direct 64 bit */ -#define R_X86_64_PC32 2 /* PC relative 32 bit signed */ -#define R_X86_64_GOT32 3 /* 32 bit GOT entry */ -#define R_X86_64_PLT32 4 /* 32 bit PLT address */ -#define R_X86_64_COPY 5 /* Copy symbol at runtime */ -#define R_X86_64_GLOB_DAT 6 /* Create GOT entry */ -#define R_X86_64_JUMP_SLOT 7 /* Create PLT entry */ -#define R_X86_64_RELATIVE 8 /* Adjust by program base */ -#define R_X86_64_GOTPCREL 9 /* 32 bit signed pc relative - offset to GOT */ -#define R_X86_64_32 10 /* Direct 32 bit zero extended */ -#define R_X86_64_32S 11 /* Direct 32 bit sign extended */ -#define R_X86_64_16 12 /* Direct 16 bit zero extended */ -#define R_X86_64_PC16 13 /* 16 bit sign extended pc relative */ -#define R_X86_64_8 14 /* Direct 8 bit sign extended */ -#define R_X86_64_PC8 15 /* 8 bit sign extended pc relative */ - -#define R_X86_64_NUM 16 - -typedef unsigned long elf_greg_t; - -#define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof(elf_greg_t)) -typedef elf_greg_t elf_gregset_t[ELF_NGREG]; - -typedef struct user_i387_struct elf_fpregset_t; - -/* - * This is used to ensure we don't load something for the wrong architecture. - */ -#define elf_check_arch(x) \ - ((x)->e_machine == EM_X86_64) - -#define ELF_CLASS ELFCLASS64 -#define ELF_DATA ELFDATA2LSB -#define ELF_ARCH EM_X86_64 - -#define ELF_PLAT_INIT(regs, load_addr) do { \ - PT_REGS_RBX(regs) = 0; \ - PT_REGS_RCX(regs) = 0; \ - PT_REGS_RDX(regs) = 0; \ - PT_REGS_RSI(regs) = 0; \ - PT_REGS_RDI(regs) = 0; \ - PT_REGS_RBP(regs) = 0; \ - PT_REGS_RAX(regs) = 0; \ - PT_REGS_R8(regs) = 0; \ - PT_REGS_R9(regs) = 0; \ - PT_REGS_R10(regs) = 0; \ - PT_REGS_R11(regs) = 0; \ - PT_REGS_R12(regs) = 0; \ - PT_REGS_R13(regs) = 0; \ - PT_REGS_R14(regs) = 0; \ - PT_REGS_R15(regs) = 0; \ -} while (0) - -#define ELF_CORE_COPY_REGS(pr_reg, regs) \ - (pr_reg)[0] = (regs)->regs.gp[0]; \ - (pr_reg)[1] = (regs)->regs.gp[1]; \ - (pr_reg)[2] = (regs)->regs.gp[2]; \ - (pr_reg)[3] = (regs)->regs.gp[3]; \ - (pr_reg)[4] = (regs)->regs.gp[4]; \ - (pr_reg)[5] = (regs)->regs.gp[5]; \ - (pr_reg)[6] = (regs)->regs.gp[6]; \ - (pr_reg)[7] = (regs)->regs.gp[7]; \ - (pr_reg)[8] = (regs)->regs.gp[8]; \ - (pr_reg)[9] = (regs)->regs.gp[9]; \ - (pr_reg)[10] = (regs)->regs.gp[10]; \ - (pr_reg)[11] = (regs)->regs.gp[11]; \ - (pr_reg)[12] = (regs)->regs.gp[12]; \ - (pr_reg)[13] = (regs)->regs.gp[13]; \ - (pr_reg)[14] = (regs)->regs.gp[14]; \ - (pr_reg)[15] = (regs)->regs.gp[15]; \ - (pr_reg)[16] = (regs)->regs.gp[16]; \ - (pr_reg)[17] = (regs)->regs.gp[17]; \ - (pr_reg)[18] = (regs)->regs.gp[18]; \ - (pr_reg)[19] = (regs)->regs.gp[19]; \ - (pr_reg)[20] = (regs)->regs.gp[20]; \ - (pr_reg)[21] = current->thread.arch.fs; \ - (pr_reg)[22] = 0; \ - (pr_reg)[23] = 0; \ - (pr_reg)[24] = 0; \ - (pr_reg)[25] = 0; \ - (pr_reg)[26] = 0; - -extern int elf_core_copy_fpregs(struct task_struct *t, elf_fpregset_t *fpu); - -#define ELF_CORE_COPY_FPREGS(t, fpu) elf_core_copy_fpregs(t, fpu) - -#ifdef TIF_IA32 /* XXX */ -#error XXX, indeed - clear_thread_flag(TIF_IA32); -#endif - -#define USE_ELF_CORE_DUMP -#define ELF_EXEC_PAGESIZE 4096 - -#define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3) - -extern long elf_aux_hwcap; -#define ELF_HWCAP (elf_aux_hwcap) - -#define ELF_PLATFORM "x86_64" - -#define SET_PERSONALITY(ex) do ; while(0) - -#endif diff --git a/arch/um/include/asm/module-i386.h b/arch/um/include/asm/module-i386.h deleted file mode 100644 index 5ead4a0b2e3..00000000000 --- a/arch/um/include/asm/module-i386.h +++ /dev/null @@ -1,13 +0,0 @@ -#ifndef __UM_MODULE_I386_H -#define __UM_MODULE_I386_H - -/* UML is simple */ -struct mod_arch_specific -{ -}; - -#define Elf_Shdr Elf32_Shdr -#define Elf_Sym Elf32_Sym -#define Elf_Ehdr Elf32_Ehdr - -#endif diff --git a/arch/um/include/asm/module-x86_64.h b/arch/um/include/asm/module-x86_64.h deleted file mode 100644 index 35b5491d3e9..00000000000 --- a/arch/um/include/asm/module-x86_64.h +++ /dev/null @@ -1,30 +0,0 @@ -/* - * Copyright 2003 PathScale, Inc. - * - * Licensed under the GPL - */ - -#ifndef __UM_MODULE_X86_64_H -#define __UM_MODULE_X86_64_H - -/* UML is simple */ -struct mod_arch_specific -{ -}; - -#define Elf_Shdr Elf64_Shdr -#define Elf_Sym Elf64_Sym -#define Elf_Ehdr Elf64_Ehdr - -#endif - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/include/asm/processor-i386.h b/arch/um/include/asm/processor-i386.h deleted file mode 100644 index 82a9061ab5b..00000000000 --- a/arch/um/include/asm/processor-i386.h +++ /dev/null @@ -1,78 +0,0 @@ -/* - * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) - * Licensed under the GPL - */ - -#ifndef __UM_PROCESSOR_I386_H -#define __UM_PROCESSOR_I386_H - -#include "linux/string.h" -#include -#include "asm/segment.h" - -extern int host_has_cmov; - -/* include faultinfo structure */ -#include "sysdep/faultinfo.h" - -struct uml_tls_struct { - struct user_desc tls; - unsigned flushed:1; - unsigned present:1; -}; - -struct arch_thread { - struct uml_tls_struct tls_array[GDT_ENTRY_TLS_ENTRIES]; - unsigned long debugregs[8]; - int debugregs_seq; - struct faultinfo faultinfo; -}; - -#define INIT_ARCH_THREAD { \ - .tls_array = { [ 0 ... GDT_ENTRY_TLS_ENTRIES - 1 ] = \ - { .present = 0, .flushed = 0 } }, \ - .debugregs = { [ 0 ... 7 ] = 0 }, \ - .debugregs_seq = 0, \ - .faultinfo = { 0, 0, 0 } \ -} - -static inline void arch_flush_thread(struct arch_thread *thread) -{ - /* Clear any TLS still hanging */ - memset(&thread->tls_array, 0, sizeof(thread->tls_array)); -} - -static inline void arch_copy_thread(struct arch_thread *from, - struct arch_thread *to) -{ - memcpy(&to->tls_array, &from->tls_array, sizeof(from->tls_array)); -} - -#include - -/* REP NOP (PAUSE) is a good thing to insert into busy-wait loops. */ -static inline void rep_nop(void) -{ - __asm__ __volatile__("rep;nop": : :"memory"); -} - -#define cpu_relax() rep_nop() - -/* - * Default implementation of macro that returns current - * instruction pointer ("program counter"). Stolen - * from asm-i386/processor.h - */ -#define current_text_addr() \ - ({ void *pc; __asm__("movl $1f,%0\n1:":"=g" (pc)); pc; }) - -#define ARCH_IS_STACKGROW(address) \ - (address + 32 >= UPT_SP(¤t->thread.regs.regs)) - -#define KSTK_EIP(tsk) KSTK_REG(tsk, EIP) -#define KSTK_ESP(tsk) KSTK_REG(tsk, UESP) -#define KSTK_EBP(tsk) KSTK_REG(tsk, EBP) - -#include "asm/processor-generic.h" - -#endif diff --git a/arch/um/include/asm/processor-ppc.h b/arch/um/include/asm/processor-ppc.h deleted file mode 100644 index 95932315122..00000000000 --- a/arch/um/include/asm/processor-ppc.h +++ /dev/null @@ -1,15 +0,0 @@ -#ifndef __UM_PROCESSOR_PPC_H -#define __UM_PROCESSOR_PPC_H - -#if defined(__ASSEMBLY__) - -#define CONFIG_PPC_MULTIPLATFORM -#include "arch/processor.h" - -#else - -#include "asm/processor-generic.h" - -#endif - -#endif diff --git a/arch/um/include/asm/processor-x86_64.h b/arch/um/include/asm/processor-x86_64.h deleted file mode 100644 index 875a26a6261..00000000000 --- a/arch/um/include/asm/processor-x86_64.h +++ /dev/null @@ -1,56 +0,0 @@ -/* - * Copyright 2003 PathScale, Inc. - * - * Licensed under the GPL - */ - -#ifndef __UM_PROCESSOR_X86_64_H -#define __UM_PROCESSOR_X86_64_H - -/* include faultinfo structure */ -#include "sysdep/faultinfo.h" - -struct arch_thread { - unsigned long debugregs[8]; - int debugregs_seq; - unsigned long fs; - struct faultinfo faultinfo; -}; - -/* REP NOP (PAUSE) is a good thing to insert into busy-wait loops. */ -static inline void rep_nop(void) -{ - __asm__ __volatile__("rep;nop": : :"memory"); -} - -#define cpu_relax() rep_nop() - -#define INIT_ARCH_THREAD { .debugregs = { [ 0 ... 7 ] = 0 }, \ - .debugregs_seq = 0, \ - .fs = 0, \ - .faultinfo = { 0, 0, 0 } } - -static inline void arch_flush_thread(struct arch_thread *thread) -{ -} - -static inline void arch_copy_thread(struct arch_thread *from, - struct arch_thread *to) -{ - to->fs = from->fs; -} - -#include - -#define current_text_addr() \ - ({ void *pc; __asm__("movq $1f,%0\n1:":"=g" (pc)); pc; }) - -#define ARCH_IS_STACKGROW(address) \ - (address + 128 >= UPT_SP(¤t->thread.regs.regs)) - -#define KSTK_EIP(tsk) KSTK_REG(tsk, RIP) -#define KSTK_ESP(tsk) KSTK_REG(tsk, RSP) - -#include "asm/processor-generic.h" - -#endif diff --git a/arch/um/include/asm/ptrace-i386.h b/arch/um/include/asm/ptrace-i386.h deleted file mode 100644 index 0273e4d09af..00000000000 --- a/arch/um/include/asm/ptrace-i386.h +++ /dev/null @@ -1,56 +0,0 @@ -/* - * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) - * Licensed under the GPL - */ - -#ifndef __UM_PTRACE_I386_H -#define __UM_PTRACE_I386_H - -#define HOST_AUDIT_ARCH AUDIT_ARCH_I386 - -#include "linux/compiler.h" -#include "asm/ptrace-generic.h" - -#define PT_REGS_EAX(r) UPT_EAX(&(r)->regs) -#define PT_REGS_EBX(r) UPT_EBX(&(r)->regs) -#define PT_REGS_ECX(r) UPT_ECX(&(r)->regs) -#define PT_REGS_EDX(r) UPT_EDX(&(r)->regs) -#define PT_REGS_ESI(r) UPT_ESI(&(r)->regs) -#define PT_REGS_EDI(r) UPT_EDI(&(r)->regs) -#define PT_REGS_EBP(r) UPT_EBP(&(r)->regs) - -#define PT_REGS_CS(r) UPT_CS(&(r)->regs) -#define PT_REGS_SS(r) UPT_SS(&(r)->regs) -#define PT_REGS_DS(r) UPT_DS(&(r)->regs) -#define PT_REGS_ES(r) UPT_ES(&(r)->regs) -#define PT_REGS_FS(r) UPT_FS(&(r)->regs) -#define PT_REGS_GS(r) UPT_GS(&(r)->regs) - -#define PT_REGS_EFLAGS(r) UPT_EFLAGS(&(r)->regs) - -#define PT_REGS_ORIG_SYSCALL(r) PT_REGS_EAX(r) -#define PT_REGS_SYSCALL_RET(r) PT_REGS_EAX(r) -#define PT_FIX_EXEC_STACK(sp) do ; while(0) - -#define profile_pc(regs) PT_REGS_IP(regs) - -#define user_mode(r) UPT_IS_USER(&(r)->regs) - -/* - * Forward declaration to avoid including sysdep/tls.h, which causes a - * circular include, and compilation failures. - */ -struct user_desc; - -extern int get_fpxregs(struct user_fxsr_struct __user *buf, - struct task_struct *child); -extern int set_fpxregs(struct user_fxsr_struct __user *buf, - struct task_struct *tsk); - -extern int ptrace_get_thread_area(struct task_struct *child, int idx, - struct user_desc __user *user_desc); - -extern int ptrace_set_thread_area(struct task_struct *child, int idx, - struct user_desc __user *user_desc); - -#endif diff --git a/arch/um/include/asm/ptrace-x86_64.h b/arch/um/include/asm/ptrace-x86_64.h deleted file mode 100644 index 83d8c473b90..00000000000 --- a/arch/um/include/asm/ptrace-x86_64.h +++ /dev/null @@ -1,72 +0,0 @@ -/* - * Copyright 2003 PathScale, Inc. - * - * Licensed under the GPL - */ - -#ifndef __UM_PTRACE_X86_64_H -#define __UM_PTRACE_X86_64_H - -#include "linux/compiler.h" -#include "asm/errno.h" - -#define __FRAME_OFFSETS /* Needed to get the R* macros */ -#include "asm/ptrace-generic.h" - -#define HOST_AUDIT_ARCH AUDIT_ARCH_X86_64 - -#define PT_REGS_RBX(r) UPT_RBX(&(r)->regs) -#define PT_REGS_RCX(r) UPT_RCX(&(r)->regs) -#define PT_REGS_RDX(r) UPT_RDX(&(r)->regs) -#define PT_REGS_RSI(r) UPT_RSI(&(r)->regs) -#define PT_REGS_RDI(r) UPT_RDI(&(r)->regs) -#define PT_REGS_RBP(r) UPT_RBP(&(r)->regs) -#define PT_REGS_RAX(r) UPT_RAX(&(r)->regs) -#define PT_REGS_R8(r) UPT_R8(&(r)->regs) -#define PT_REGS_R9(r) UPT_R9(&(r)->regs) -#define PT_REGS_R10(r) UPT_R10(&(r)->regs) -#define PT_REGS_R11(r) UPT_R11(&(r)->regs) -#define PT_REGS_R12(r) UPT_R12(&(r)->regs) -#define PT_REGS_R13(r) UPT_R13(&(r)->regs) -#define PT_REGS_R14(r) UPT_R14(&(r)->regs) -#define PT_REGS_R15(r) UPT_R15(&(r)->regs) - -#define PT_REGS_FS(r) UPT_FS(&(r)->regs) -#define PT_REGS_GS(r) UPT_GS(&(r)->regs) -#define PT_REGS_DS(r) UPT_DS(&(r)->regs) -#define PT_REGS_ES(r) UPT_ES(&(r)->regs) -#define PT_REGS_SS(r) UPT_SS(&(r)->regs) -#define PT_REGS_CS(r) UPT_CS(&(r)->regs) - -#define PT_REGS_ORIG_RAX(r) UPT_ORIG_RAX(&(r)->regs) -#define PT_REGS_RIP(r) UPT_IP(&(r)->regs) -#define PT_REGS_RSP(r) UPT_SP(&(r)->regs) - -#define PT_REGS_EFLAGS(r) UPT_EFLAGS(&(r)->regs) - -/* XXX */ -#define user_mode(r) UPT_IS_USER(&(r)->regs) -#define PT_REGS_ORIG_SYSCALL(r) PT_REGS_RAX(r) -#define PT_REGS_SYSCALL_RET(r) PT_REGS_RAX(r) - -#define PT_FIX_EXEC_STACK(sp) do ; while(0) - -#define profile_pc(regs) PT_REGS_IP(regs) - -struct user_desc; - -static inline int ptrace_get_thread_area(struct task_struct *child, int idx, - struct user_desc __user *user_desc) -{ - return -ENOSYS; -} - -static inline int ptrace_set_thread_area(struct task_struct *child, int idx, - struct user_desc __user *user_desc) -{ - return -ENOSYS; -} - -extern long arch_prctl(struct task_struct *task, int code, - unsigned long __user *addr); -#endif diff --git a/arch/um/sys-i386/asm/archparam.h b/arch/um/sys-i386/asm/archparam.h new file mode 100644 index 00000000000..93fd723344e --- /dev/null +++ b/arch/um/sys-i386/asm/archparam.h @@ -0,0 +1,26 @@ +/* + * Copyright (C) 2000 - 2003 Jeff Dike (jdike@addtoit.com) + * Licensed under the GPL + */ + +#ifndef __UM_ARCHPARAM_I386_H +#define __UM_ARCHPARAM_I386_H + +#ifdef CONFIG_X86_PAE +#define LAST_PKMAP 512 +#else +#define LAST_PKMAP 1024 +#endif + +#endif + +/* + * Overrides for Emacs so that we follow Linus's tabbing style. + * Emacs will notice this stuff at the end of the file and automatically + * adjust the settings for this buffer only. This must remain at the end + * of the file. + * --------------------------------------------------------------------------- + * Local variables: + * c-file-style: "linux" + * End: + */ diff --git a/arch/um/sys-i386/asm/elf.h b/arch/um/sys-i386/asm/elf.h new file mode 100644 index 00000000000..d0da9d7c537 --- /dev/null +++ b/arch/um/sys-i386/asm/elf.h @@ -0,0 +1,163 @@ +/* + * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) + * Licensed under the GPL + */ +#ifndef __UM_ELF_I386_H +#define __UM_ELF_I386_H + +#include +#include "skas.h" + +#define R_386_NONE 0 +#define R_386_32 1 +#define R_386_PC32 2 +#define R_386_GOT32 3 +#define R_386_PLT32 4 +#define R_386_COPY 5 +#define R_386_GLOB_DAT 6 +#define R_386_JMP_SLOT 7 +#define R_386_RELATIVE 8 +#define R_386_GOTOFF 9 +#define R_386_GOTPC 10 +#define R_386_NUM 11 + +typedef unsigned long elf_greg_t; + +#define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof(elf_greg_t)) +typedef elf_greg_t elf_gregset_t[ELF_NGREG]; + +typedef struct user_i387_struct elf_fpregset_t; + +/* + * This is used to ensure we don't load something for the wrong architecture. + */ +#define elf_check_arch(x) \ + (((x)->e_machine == EM_386) || ((x)->e_machine == EM_486)) + +#define ELF_CLASS ELFCLASS32 +#define ELF_DATA ELFDATA2LSB +#define ELF_ARCH EM_386 + +#define ELF_PLAT_INIT(regs, load_addr) do { \ + PT_REGS_EBX(regs) = 0; \ + PT_REGS_ECX(regs) = 0; \ + PT_REGS_EDX(regs) = 0; \ + PT_REGS_ESI(regs) = 0; \ + PT_REGS_EDI(regs) = 0; \ + PT_REGS_EBP(regs) = 0; \ + PT_REGS_EAX(regs) = 0; \ +} while (0) + +#define USE_ELF_CORE_DUMP +#define ELF_EXEC_PAGESIZE 4096 + +#define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3) + +/* Shamelessly stolen from include/asm-i386/elf.h */ + +#define ELF_CORE_COPY_REGS(pr_reg, regs) do { \ + pr_reg[0] = PT_REGS_EBX(regs); \ + pr_reg[1] = PT_REGS_ECX(regs); \ + pr_reg[2] = PT_REGS_EDX(regs); \ + pr_reg[3] = PT_REGS_ESI(regs); \ + pr_reg[4] = PT_REGS_EDI(regs); \ + pr_reg[5] = PT_REGS_EBP(regs); \ + pr_reg[6] = PT_REGS_EAX(regs); \ + pr_reg[7] = PT_REGS_DS(regs); \ + pr_reg[8] = PT_REGS_ES(regs); \ + /* fake once used fs and gs selectors? */ \ + pr_reg[9] = PT_REGS_DS(regs); \ + pr_reg[10] = PT_REGS_DS(regs); \ + pr_reg[11] = PT_REGS_SYSCALL_NR(regs); \ + pr_reg[12] = PT_REGS_IP(regs); \ + pr_reg[13] = PT_REGS_CS(regs); \ + pr_reg[14] = PT_REGS_EFLAGS(regs); \ + pr_reg[15] = PT_REGS_SP(regs); \ + pr_reg[16] = PT_REGS_SS(regs); \ +} while (0); + +extern int elf_core_copy_fpregs(struct task_struct *t, elf_fpregset_t *fpu); + +#define ELF_CORE_COPY_FPREGS(t, fpu) elf_core_copy_fpregs(t, fpu) + +extern long elf_aux_hwcap; +#define ELF_HWCAP (elf_aux_hwcap) + +extern char * elf_aux_platform; +#define ELF_PLATFORM (elf_aux_platform) + +#define SET_PERSONALITY(ex) do { } while (0) + +extern unsigned long vsyscall_ehdr; +extern unsigned long vsyscall_end; +extern unsigned long __kernel_vsyscall; + +#define VSYSCALL_BASE vsyscall_ehdr +#define VSYSCALL_END vsyscall_end + +/* + * This is the range that is readable by user mode, and things + * acting like user mode such as get_user_pages. + */ +#define FIXADDR_USER_START VSYSCALL_BASE +#define FIXADDR_USER_END VSYSCALL_END + +/* + * Architecture-neutral AT_ values in 0-17, leave some room + * for more of them, start the x86-specific ones at 32. + */ +#define AT_SYSINFO 32 +#define AT_SYSINFO_EHDR 33 + +#define ARCH_DLINFO \ +do { \ + if ( vsyscall_ehdr ) { \ + NEW_AUX_ENT(AT_SYSINFO, __kernel_vsyscall); \ + NEW_AUX_ENT(AT_SYSINFO_EHDR, vsyscall_ehdr); \ + } \ +} while (0) + +/* + * These macros parameterize elf_core_dump in fs/binfmt_elf.c to write out + * extra segments containing the vsyscall DSO contents. Dumping its + * contents makes post-mortem fully interpretable later without matching up + * the same kernel and hardware config to see what PC values meant. + * Dumping its extra ELF program headers includes all the other information + * a debugger needs to easily find how the vsyscall DSO was being used. + */ +#define ELF_CORE_EXTRA_PHDRS \ + (vsyscall_ehdr ? (((struct elfhdr *)vsyscall_ehdr)->e_phnum) : 0 ) + +#define ELF_CORE_WRITE_EXTRA_PHDRS \ +if ( vsyscall_ehdr ) { \ + const struct elfhdr *const ehdrp = (struct elfhdr *)vsyscall_ehdr; \ + const struct elf_phdr *const phdrp = \ + (const struct elf_phdr *) (vsyscall_ehdr + ehdrp->e_phoff); \ + int i; \ + Elf32_Off ofs = 0; \ + for (i = 0; i < ehdrp->e_phnum; ++i) { \ + struct elf_phdr phdr = phdrp[i]; \ + if (phdr.p_type == PT_LOAD) { \ + ofs = phdr.p_offset = offset; \ + offset += phdr.p_filesz; \ + } \ + else \ + phdr.p_offset += ofs; \ + phdr.p_paddr = 0; /* match other core phdrs */ \ + DUMP_WRITE(&phdr, sizeof(phdr)); \ + } \ +} +#define ELF_CORE_WRITE_EXTRA_DATA \ +if ( vsyscall_ehdr ) { \ + const struct elfhdr *const ehdrp = (struct elfhdr *)vsyscall_ehdr; \ + const struct elf_phdr *const phdrp = \ + (const struct elf_phdr *) (vsyscall_ehdr + ehdrp->e_phoff); \ + int i; \ + for (i = 0; i < ehdrp->e_phnum; ++i) { \ + if (phdrp[i].p_type == PT_LOAD) \ + DUMP_WRITE((void *) phdrp[i].p_vaddr, \ + phdrp[i].p_filesz); \ + } \ +} + +#endif diff --git a/arch/um/sys-i386/asm/module.h b/arch/um/sys-i386/asm/module.h new file mode 100644 index 00000000000..5ead4a0b2e3 --- /dev/null +++ b/arch/um/sys-i386/asm/module.h @@ -0,0 +1,13 @@ +#ifndef __UM_MODULE_I386_H +#define __UM_MODULE_I386_H + +/* UML is simple */ +struct mod_arch_specific +{ +}; + +#define Elf_Shdr Elf32_Shdr +#define Elf_Sym Elf32_Sym +#define Elf_Ehdr Elf32_Ehdr + +#endif diff --git a/arch/um/sys-i386/asm/processor.h b/arch/um/sys-i386/asm/processor.h new file mode 100644 index 00000000000..82a9061ab5b --- /dev/null +++ b/arch/um/sys-i386/asm/processor.h @@ -0,0 +1,78 @@ +/* + * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) + * Licensed under the GPL + */ + +#ifndef __UM_PROCESSOR_I386_H +#define __UM_PROCESSOR_I386_H + +#include "linux/string.h" +#include +#include "asm/segment.h" + +extern int host_has_cmov; + +/* include faultinfo structure */ +#include "sysdep/faultinfo.h" + +struct uml_tls_struct { + struct user_desc tls; + unsigned flushed:1; + unsigned present:1; +}; + +struct arch_thread { + struct uml_tls_struct tls_array[GDT_ENTRY_TLS_ENTRIES]; + unsigned long debugregs[8]; + int debugregs_seq; + struct faultinfo faultinfo; +}; + +#define INIT_ARCH_THREAD { \ + .tls_array = { [ 0 ... GDT_ENTRY_TLS_ENTRIES - 1 ] = \ + { .present = 0, .flushed = 0 } }, \ + .debugregs = { [ 0 ... 7 ] = 0 }, \ + .debugregs_seq = 0, \ + .faultinfo = { 0, 0, 0 } \ +} + +static inline void arch_flush_thread(struct arch_thread *thread) +{ + /* Clear any TLS still hanging */ + memset(&thread->tls_array, 0, sizeof(thread->tls_array)); +} + +static inline void arch_copy_thread(struct arch_thread *from, + struct arch_thread *to) +{ + memcpy(&to->tls_array, &from->tls_array, sizeof(from->tls_array)); +} + +#include + +/* REP NOP (PAUSE) is a good thing to insert into busy-wait loops. */ +static inline void rep_nop(void) +{ + __asm__ __volatile__("rep;nop": : :"memory"); +} + +#define cpu_relax() rep_nop() + +/* + * Default implementation of macro that returns current + * instruction pointer ("program counter"). Stolen + * from asm-i386/processor.h + */ +#define current_text_addr() \ + ({ void *pc; __asm__("movl $1f,%0\n1:":"=g" (pc)); pc; }) + +#define ARCH_IS_STACKGROW(address) \ + (address + 32 >= UPT_SP(¤t->thread.regs.regs)) + +#define KSTK_EIP(tsk) KSTK_REG(tsk, EIP) +#define KSTK_ESP(tsk) KSTK_REG(tsk, UESP) +#define KSTK_EBP(tsk) KSTK_REG(tsk, EBP) + +#include "asm/processor-generic.h" + +#endif diff --git a/arch/um/sys-i386/asm/ptrace.h b/arch/um/sys-i386/asm/ptrace.h new file mode 100644 index 00000000000..0273e4d09af --- /dev/null +++ b/arch/um/sys-i386/asm/ptrace.h @@ -0,0 +1,56 @@ +/* + * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) + * Licensed under the GPL + */ + +#ifndef __UM_PTRACE_I386_H +#define __UM_PTRACE_I386_H + +#define HOST_AUDIT_ARCH AUDIT_ARCH_I386 + +#include "linux/compiler.h" +#include "asm/ptrace-generic.h" + +#define PT_REGS_EAX(r) UPT_EAX(&(r)->regs) +#define PT_REGS_EBX(r) UPT_EBX(&(r)->regs) +#define PT_REGS_ECX(r) UPT_ECX(&(r)->regs) +#define PT_REGS_EDX(r) UPT_EDX(&(r)->regs) +#define PT_REGS_ESI(r) UPT_ESI(&(r)->regs) +#define PT_REGS_EDI(r) UPT_EDI(&(r)->regs) +#define PT_REGS_EBP(r) UPT_EBP(&(r)->regs) + +#define PT_REGS_CS(r) UPT_CS(&(r)->regs) +#define PT_REGS_SS(r) UPT_SS(&(r)->regs) +#define PT_REGS_DS(r) UPT_DS(&(r)->regs) +#define PT_REGS_ES(r) UPT_ES(&(r)->regs) +#define PT_REGS_FS(r) UPT_FS(&(r)->regs) +#define PT_REGS_GS(r) UPT_GS(&(r)->regs) + +#define PT_REGS_EFLAGS(r) UPT_EFLAGS(&(r)->regs) + +#define PT_REGS_ORIG_SYSCALL(r) PT_REGS_EAX(r) +#define PT_REGS_SYSCALL_RET(r) PT_REGS_EAX(r) +#define PT_FIX_EXEC_STACK(sp) do ; while(0) + +#define profile_pc(regs) PT_REGS_IP(regs) + +#define user_mode(r) UPT_IS_USER(&(r)->regs) + +/* + * Forward declaration to avoid including sysdep/tls.h, which causes a + * circular include, and compilation failures. + */ +struct user_desc; + +extern int get_fpxregs(struct user_fxsr_struct __user *buf, + struct task_struct *child); +extern int set_fpxregs(struct user_fxsr_struct __user *buf, + struct task_struct *tsk); + +extern int ptrace_get_thread_area(struct task_struct *child, int idx, + struct user_desc __user *user_desc); + +extern int ptrace_set_thread_area(struct task_struct *child, int idx, + struct user_desc __user *user_desc); + +#endif diff --git a/arch/um/sys-i386/shared/sysdep/archsetjmp.h b/arch/um/sys-i386/shared/sysdep/archsetjmp.h new file mode 100644 index 00000000000..0f312085ce1 --- /dev/null +++ b/arch/um/sys-i386/shared/sysdep/archsetjmp.h @@ -0,0 +1,22 @@ +/* + * arch/um/include/sysdep-i386/archsetjmp.h + */ + +#ifndef _KLIBC_ARCHSETJMP_H +#define _KLIBC_ARCHSETJMP_H + +struct __jmp_buf { + unsigned int __ebx; + unsigned int __esp; + unsigned int __ebp; + unsigned int __esi; + unsigned int __edi; + unsigned int __eip; +}; + +typedef struct __jmp_buf jmp_buf[1]; + +#define JB_IP __eip +#define JB_SP __esp + +#endif /* _SETJMP_H */ diff --git a/arch/um/sys-i386/shared/sysdep/barrier.h b/arch/um/sys-i386/shared/sysdep/barrier.h new file mode 100644 index 00000000000..b58d52c5b2f --- /dev/null +++ b/arch/um/sys-i386/shared/sysdep/barrier.h @@ -0,0 +1,9 @@ +#ifndef __SYSDEP_I386_BARRIER_H +#define __SYSDEP_I386_BARRIER_H + +/* Copied from include/asm-i386 for use by userspace. i386 has the option + * of using mfence, but I'm just using this, which works everywhere, for now. + */ +#define mb() asm volatile("lock; addl $0,0(%esp)") + +#endif diff --git a/arch/um/sys-i386/shared/sysdep/checksum.h b/arch/um/sys-i386/shared/sysdep/checksum.h new file mode 100644 index 00000000000..0cb4645cbeb --- /dev/null +++ b/arch/um/sys-i386/shared/sysdep/checksum.h @@ -0,0 +1,211 @@ +/* + * Licensed under the GPL + */ + +#ifndef __UM_SYSDEP_CHECKSUM_H +#define __UM_SYSDEP_CHECKSUM_H + +#include "linux/in6.h" +#include "linux/string.h" + +/* + * computes the checksum of a memory block at buff, length len, + * and adds in "sum" (32-bit) + * + * returns a 32-bit number suitable for feeding into itself + * or csum_tcpudp_magic + * + * this function must be called with even lengths, except + * for the last fragment, which may be odd + * + * it's best to have buff aligned on a 32-bit boundary + */ +__wsum csum_partial(const void *buff, int len, __wsum sum); + +/* + * Note: when you get a NULL pointer exception here this means someone + * passed in an incorrect kernel address to one of these functions. + * + * If you use these functions directly please don't forget the + * access_ok(). + */ + +static __inline__ +__wsum csum_partial_copy_nocheck(const void *src, void *dst, + int len, __wsum sum) +{ + memcpy(dst, src, len); + return csum_partial(dst, len, sum); +} + +/* + * the same as csum_partial, but copies from src while it + * checksums, and handles user-space pointer exceptions correctly, when needed. + * + * here even more important to align src and dst on a 32-bit (or even + * better 64-bit) boundary + */ + +static __inline__ +__wsum csum_partial_copy_from_user(const void __user *src, void *dst, + int len, __wsum sum, int *err_ptr) +{ + if (copy_from_user(dst, src, len)) { + *err_ptr = -EFAULT; + return (__force __wsum)-1; + } + + return csum_partial(dst, len, sum); +} + +/* + * This is a version of ip_compute_csum() optimized for IP headers, + * which always checksum on 4 octet boundaries. + * + * By Jorge Cwik , adapted for linux by + * Arnt Gulbrandsen. + */ +static inline __sum16 ip_fast_csum(const void *iph, unsigned int ihl) +{ + unsigned int sum; + + __asm__ __volatile__( + "movl (%1), %0 ;\n" + "subl $4, %2 ;\n" + "jbe 2f ;\n" + "addl 4(%1), %0 ;\n" + "adcl 8(%1), %0 ;\n" + "adcl 12(%1), %0 ;\n" +"1: adcl 16(%1), %0 ;\n" + "lea 4(%1), %1 ;\n" + "decl %2 ;\n" + "jne 1b ;\n" + "adcl $0, %0 ;\n" + "movl %0, %2 ;\n" + "shrl $16, %0 ;\n" + "addw %w2, %w0 ;\n" + "adcl $0, %0 ;\n" + "notl %0 ;\n" +"2: ;\n" + /* Since the input registers which are loaded with iph and ipl + are modified, we must also specify them as outputs, or gcc + will assume they contain their original values. */ + : "=r" (sum), "=r" (iph), "=r" (ihl) + : "1" (iph), "2" (ihl) + : "memory"); + return (__force __sum16)sum; +} + +/* + * Fold a partial checksum + */ + +static inline __sum16 csum_fold(__wsum sum) +{ + __asm__( + "addl %1, %0 ;\n" + "adcl $0xffff, %0 ;\n" + : "=r" (sum) + : "r" ((__force u32)sum << 16), + "0" ((__force u32)sum & 0xffff0000) + ); + return (__force __sum16)(~(__force u32)sum >> 16); +} + +static inline __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr, + unsigned short len, + unsigned short proto, + __wsum sum) +{ + __asm__( + "addl %1, %0 ;\n" + "adcl %2, %0 ;\n" + "adcl %3, %0 ;\n" + "adcl $0, %0 ;\n" + : "=r" (sum) + : "g" (daddr), "g"(saddr), "g"((len + proto) << 8), "0"(sum)); + return sum; +} + +/* + * computes the checksum of the TCP/UDP pseudo-header + * returns a 16-bit checksum, already complemented + */ +static inline __sum16 csum_tcpudp_magic(__be32 saddr, __be32 daddr, + unsigned short len, + unsigned short proto, + __wsum sum) +{ + return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum)); +} + +/* + * this routine is used for miscellaneous IP-like checksums, mainly + * in icmp.c + */ + +static inline __sum16 ip_compute_csum(const void *buff, int len) +{ + return csum_fold (csum_partial(buff, len, 0)); +} + +#define _HAVE_ARCH_IPV6_CSUM +static __inline__ __sum16 csum_ipv6_magic(const struct in6_addr *saddr, + const struct in6_addr *daddr, + __u32 len, unsigned short proto, + __wsum sum) +{ + __asm__( + "addl 0(%1), %0 ;\n" + "adcl 4(%1), %0 ;\n" + "adcl 8(%1), %0 ;\n" + "adcl 12(%1), %0 ;\n" + "adcl 0(%2), %0 ;\n" + "adcl 4(%2), %0 ;\n" + "adcl 8(%2), %0 ;\n" + "adcl 12(%2), %0 ;\n" + "adcl %3, %0 ;\n" + "adcl %4, %0 ;\n" + "adcl $0, %0 ;\n" + : "=&r" (sum) + : "r" (saddr), "r" (daddr), + "r"(htonl(len)), "r"(htonl(proto)), "0"(sum)); + + return csum_fold(sum); +} + +/* + * Copy and checksum to user + */ +#define HAVE_CSUM_COPY_USER +static __inline__ __wsum csum_and_copy_to_user(const void *src, + void __user *dst, + int len, __wsum sum, int *err_ptr) +{ + if (access_ok(VERIFY_WRITE, dst, len)) { + if (copy_to_user(dst, src, len)) { + *err_ptr = -EFAULT; + return (__force __wsum)-1; + } + + return csum_partial(src, len, sum); + } + + if (len) + *err_ptr = -EFAULT; + + return (__force __wsum)-1; /* invalid checksum */ +} + +#endif + +/* + * Overrides for Emacs so that we follow Linus's tabbing style. + * Emacs will notice this stuff at the end of the file and automatically + * adjust the settings for this buffer only. This must remain at the end + * of the file. + * --------------------------------------------------------------------------- + * Local variables: + * c-file-style: "linux" + * End: + */ diff --git a/arch/um/sys-i386/shared/sysdep/faultinfo.h b/arch/um/sys-i386/shared/sysdep/faultinfo.h new file mode 100644 index 00000000000..db437cc373b --- /dev/null +++ b/arch/um/sys-i386/shared/sysdep/faultinfo.h @@ -0,0 +1,29 @@ +/* + * Copyright (C) 2004 Fujitsu Siemens Computers GmbH + * Author: Bodo Stroesser + * Licensed under the GPL + */ + +#ifndef __FAULTINFO_I386_H +#define __FAULTINFO_I386_H + +/* this structure contains the full arch-specific faultinfo + * from the traps. + * On i386, ptrace_faultinfo unfortunately doesn't provide + * all the info, since trap_no is missing. + * All common elements are defined at the same position in + * both structures, thus making it easy to copy the + * contents without knowledge about the structure elements. + */ +struct faultinfo { + int error_code; /* in ptrace_faultinfo misleadingly called is_write */ + unsigned long cr2; /* in ptrace_faultinfo called addr */ + int trap_no; /* missing in ptrace_faultinfo */ +}; + +#define FAULT_WRITE(fi) ((fi).error_code & 2) +#define FAULT_ADDRESS(fi) ((fi).cr2) + +#define PTRACE_FULL_FAULTINFO 0 + +#endif diff --git a/arch/um/sys-i386/shared/sysdep/host_ldt.h b/arch/um/sys-i386/shared/sysdep/host_ldt.h new file mode 100644 index 00000000000..0953cc4df65 --- /dev/null +++ b/arch/um/sys-i386/shared/sysdep/host_ldt.h @@ -0,0 +1,34 @@ +#ifndef __ASM_HOST_LDT_I386_H +#define __ASM_HOST_LDT_I386_H + +#include + +/* + * macros stolen from include/asm-i386/desc.h + */ +#define LDT_entry_a(info) \ + ((((info)->base_addr & 0x0000ffff) << 16) | ((info)->limit & 0x0ffff)) + +#define LDT_entry_b(info) \ + (((info)->base_addr & 0xff000000) | \ + (((info)->base_addr & 0x00ff0000) >> 16) | \ + ((info)->limit & 0xf0000) | \ + (((info)->read_exec_only ^ 1) << 9) | \ + ((info)->contents << 10) | \ + (((info)->seg_not_present ^ 1) << 15) | \ + ((info)->seg_32bit << 22) | \ + ((info)->limit_in_pages << 23) | \ + ((info)->useable << 20) | \ + 0x7000) + +#define LDT_empty(info) (\ + (info)->base_addr == 0 && \ + (info)->limit == 0 && \ + (info)->contents == 0 && \ + (info)->read_exec_only == 1 && \ + (info)->seg_32bit == 0 && \ + (info)->limit_in_pages == 0 && \ + (info)->seg_not_present == 1 && \ + (info)->useable == 0 ) + +#endif diff --git a/arch/um/sys-i386/shared/sysdep/kernel-offsets.h b/arch/um/sys-i386/shared/sysdep/kernel-offsets.h new file mode 100644 index 00000000000..5868526b5ee --- /dev/null +++ b/arch/um/sys-i386/shared/sysdep/kernel-offsets.h @@ -0,0 +1,21 @@ +#include +#include +#include +#include +#include + +#define DEFINE(sym, val) \ + asm volatile("\n->" #sym " %0 " #val : : "i" (val)) + +#define STR(x) #x +#define DEFINE_STR(sym, val) asm volatile("\n->" #sym " " STR(val) " " #val: : ) + +#define BLANK() asm volatile("\n->" : : ) + +#define OFFSET(sym, str, mem) \ + DEFINE(sym, offsetof(struct str, mem)); + +void foo(void) +{ +#include +} diff --git a/arch/um/sys-i386/shared/sysdep/ptrace.h b/arch/um/sys-i386/shared/sysdep/ptrace.h new file mode 100644 index 00000000000..11c08969d13 --- /dev/null +++ b/arch/um/sys-i386/shared/sysdep/ptrace.h @@ -0,0 +1,171 @@ +/* + * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) + * Licensed under the GPL + */ + +#ifndef __SYSDEP_I386_PTRACE_H +#define __SYSDEP_I386_PTRACE_H + +#include "uml-config.h" +#include "user_constants.h" +#include "sysdep/faultinfo.h" + +#define MAX_REG_NR (UM_FRAME_SIZE / sizeof(unsigned long)) +#define MAX_REG_OFFSET (UM_FRAME_SIZE) + +static inline void update_debugregs(int seq) {} + +/* syscall emulation path in ptrace */ + +#ifndef PTRACE_SYSEMU +#define PTRACE_SYSEMU 31 +#endif + +void set_using_sysemu(int value); +int get_using_sysemu(void); +extern int sysemu_supported; + +#include "skas_ptregs.h" + +#define REGS_IP(r) ((r)[HOST_IP]) +#define REGS_SP(r) ((r)[HOST_SP]) +#define REGS_EFLAGS(r) ((r)[HOST_EFLAGS]) +#define REGS_EAX(r) ((r)[HOST_EAX]) +#define REGS_EBX(r) ((r)[HOST_EBX]) +#define REGS_ECX(r) ((r)[HOST_ECX]) +#define REGS_EDX(r) ((r)[HOST_EDX]) +#define REGS_ESI(r) ((r)[HOST_ESI]) +#define REGS_EDI(r) ((r)[HOST_EDI]) +#define REGS_EBP(r) ((r)[HOST_EBP]) +#define REGS_CS(r) ((r)[HOST_CS]) +#define REGS_SS(r) ((r)[HOST_SS]) +#define REGS_DS(r) ((r)[HOST_DS]) +#define REGS_ES(r) ((r)[HOST_ES]) +#define REGS_FS(r) ((r)[HOST_FS]) +#define REGS_GS(r) ((r)[HOST_GS]) + +#define REGS_SET_SYSCALL_RETURN(r, res) REGS_EAX(r) = (res) + +#define REGS_RESTART_SYSCALL(r) IP_RESTART_SYSCALL(REGS_IP(r)) + +#ifndef PTRACE_SYSEMU_SINGLESTEP +#define PTRACE_SYSEMU_SINGLESTEP 32 +#endif + +struct uml_pt_regs { + unsigned long gp[MAX_REG_NR]; + struct faultinfo faultinfo; + long syscall; + int is_user; +}; + +#define EMPTY_UML_PT_REGS { } + +#define UPT_IP(r) REGS_IP((r)->gp) +#define UPT_SP(r) REGS_SP((r)->gp) +#define UPT_EFLAGS(r) REGS_EFLAGS((r)->gp) +#define UPT_EAX(r) REGS_EAX((r)->gp) +#define UPT_EBX(r) REGS_EBX((r)->gp) +#define UPT_ECX(r) REGS_ECX((r)->gp) +#define UPT_EDX(r) REGS_EDX((r)->gp) +#define UPT_ESI(r) REGS_ESI((r)->gp) +#define UPT_EDI(r) REGS_EDI((r)->gp) +#define UPT_EBP(r) REGS_EBP((r)->gp) +#define UPT_ORIG_EAX(r) ((r)->syscall) +#define UPT_CS(r) REGS_CS((r)->gp) +#define UPT_SS(r) REGS_SS((r)->gp) +#define UPT_DS(r) REGS_DS((r)->gp) +#define UPT_ES(r) REGS_ES((r)->gp) +#define UPT_FS(r) REGS_FS((r)->gp) +#define UPT_GS(r) REGS_GS((r)->gp) + +#define UPT_SYSCALL_ARG1(r) UPT_EBX(r) +#define UPT_SYSCALL_ARG2(r) UPT_ECX(r) +#define UPT_SYSCALL_ARG3(r) UPT_EDX(r) +#define UPT_SYSCALL_ARG4(r) UPT_ESI(r) +#define UPT_SYSCALL_ARG5(r) UPT_EDI(r) +#define UPT_SYSCALL_ARG6(r) UPT_EBP(r) + +extern int user_context(unsigned long sp); + +#define UPT_IS_USER(r) ((r)->is_user) + +struct syscall_args { + unsigned long args[6]; +}; + +#define SYSCALL_ARGS(r) ((struct syscall_args) \ + { .args = { UPT_SYSCALL_ARG1(r), \ + UPT_SYSCALL_ARG2(r), \ + UPT_SYSCALL_ARG3(r), \ + UPT_SYSCALL_ARG4(r), \ + UPT_SYSCALL_ARG5(r), \ + UPT_SYSCALL_ARG6(r) } } ) + +#define UPT_REG(regs, reg) \ + ({ unsigned long val; \ + switch(reg){ \ + case EIP: val = UPT_IP(regs); break; \ + case UESP: val = UPT_SP(regs); break; \ + case EAX: val = UPT_EAX(regs); break; \ + case EBX: val = UPT_EBX(regs); break; \ + case ECX: val = UPT_ECX(regs); break; \ + case EDX: val = UPT_EDX(regs); break; \ + case ESI: val = UPT_ESI(regs); break; \ + case EDI: val = UPT_EDI(regs); break; \ + case EBP: val = UPT_EBP(regs); break; \ + case ORIG_EAX: val = UPT_ORIG_EAX(regs); break; \ + case CS: val = UPT_CS(regs); break; \ + case SS: val = UPT_SS(regs); break; \ + case DS: val = UPT_DS(regs); break; \ + case ES: val = UPT_ES(regs); break; \ + case FS: val = UPT_FS(regs); break; \ + case GS: val = UPT_GS(regs); break; \ + case EFL: val = UPT_EFLAGS(regs); break; \ + default : \ + panic("Bad register in UPT_REG : %d\n", reg); \ + val = -1; \ + } \ + val; \ + }) + +#define UPT_SET(regs, reg, val) \ + do { \ + switch(reg){ \ + case EIP: UPT_IP(regs) = val; break; \ + case UESP: UPT_SP(regs) = val; break; \ + case EAX: UPT_EAX(regs) = val; break; \ + case EBX: UPT_EBX(regs) = val; break; \ + case ECX: UPT_ECX(regs) = val; break; \ + case EDX: UPT_EDX(regs) = val; break; \ + case ESI: UPT_ESI(regs) = val; break; \ + case EDI: UPT_EDI(regs) = val; break; \ + case EBP: UPT_EBP(regs) = val; break; \ + case ORIG_EAX: UPT_ORIG_EAX(regs) = val; break; \ + case CS: UPT_CS(regs) = val; break; \ + case SS: UPT_SS(regs) = val; break; \ + case DS: UPT_DS(regs) = val; break; \ + case ES: UPT_ES(regs) = val; break; \ + case FS: UPT_FS(regs) = val; break; \ + case GS: UPT_GS(regs) = val; break; \ + case EFL: UPT_EFLAGS(regs) = val; break; \ + default : \ + panic("Bad register in UPT_SET : %d\n", reg); \ + break; \ + } \ + } while (0) + +#define UPT_SET_SYSCALL_RETURN(r, res) \ + REGS_SET_SYSCALL_RETURN((r)->regs, (res)) + +#define UPT_RESTART_SYSCALL(r) REGS_RESTART_SYSCALL((r)->gp) + +#define UPT_ORIG_SYSCALL(r) UPT_EAX(r) +#define UPT_SYSCALL_NR(r) UPT_ORIG_EAX(r) +#define UPT_SYSCALL_RET(r) UPT_EAX(r) + +#define UPT_FAULTINFO(r) (&(r)->faultinfo) + +extern void arch_init_registers(int pid); + +#endif diff --git a/arch/um/sys-i386/shared/sysdep/ptrace_user.h b/arch/um/sys-i386/shared/sysdep/ptrace_user.h new file mode 100644 index 00000000000..ef56247e414 --- /dev/null +++ b/arch/um/sys-i386/shared/sysdep/ptrace_user.h @@ -0,0 +1,50 @@ +/* + * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) + * Licensed under the GPL + */ + +#ifndef __SYSDEP_I386_PTRACE_USER_H__ +#define __SYSDEP_I386_PTRACE_USER_H__ + +#include +#include +#include +#include "user_constants.h" + +#define PT_OFFSET(r) ((r) * sizeof(long)) + +#define PT_SYSCALL_NR(regs) ((regs)[ORIG_EAX]) +#define PT_SYSCALL_NR_OFFSET PT_OFFSET(ORIG_EAX) + +#define PT_SYSCALL_ARG1_OFFSET PT_OFFSET(EBX) +#define PT_SYSCALL_ARG2_OFFSET PT_OFFSET(ECX) +#define PT_SYSCALL_ARG3_OFFSET PT_OFFSET(EDX) +#define PT_SYSCALL_ARG4_OFFSET PT_OFFSET(ESI) +#define PT_SYSCALL_ARG5_OFFSET PT_OFFSET(EDI) +#define PT_SYSCALL_ARG6_OFFSET PT_OFFSET(EBP) + +#define PT_SYSCALL_RET_OFFSET PT_OFFSET(EAX) + +#define REGS_SYSCALL_NR EAX /* This is used before a system call */ +#define REGS_SYSCALL_ARG1 EBX +#define REGS_SYSCALL_ARG2 ECX +#define REGS_SYSCALL_ARG3 EDX +#define REGS_SYSCALL_ARG4 ESI +#define REGS_SYSCALL_ARG5 EDI +#define REGS_SYSCALL_ARG6 EBP + +#define REGS_IP_INDEX EIP +#define REGS_SP_INDEX UESP + +#define PT_IP_OFFSET PT_OFFSET(EIP) +#define PT_IP(regs) ((regs)[EIP]) +#define PT_SP_OFFSET PT_OFFSET(UESP) +#define PT_SP(regs) ((regs)[UESP]) + +#define FP_SIZE ((HOST_FPX_SIZE > HOST_FP_SIZE) ? HOST_FPX_SIZE : HOST_FP_SIZE) + +#ifndef FRAME_SIZE +#define FRAME_SIZE (17) +#endif + +#endif diff --git a/arch/um/sys-i386/shared/sysdep/sc.h b/arch/um/sys-i386/shared/sysdep/sc.h new file mode 100644 index 00000000000..c57d1780ad3 --- /dev/null +++ b/arch/um/sys-i386/shared/sysdep/sc.h @@ -0,0 +1,44 @@ +#ifndef __SYSDEP_I386_SC_H +#define __SYSDEP_I386_SC_H + +#include + +#define SC_OFFSET(sc, field) \ + *((unsigned long *) &(((char *) (sc))[HOST_##field])) +#define SC_FP_OFFSET(sc, field) \ + *((unsigned long *) &(((char *) (SC_FPSTATE(sc)))[HOST_##field])) +#define SC_FP_OFFSET_PTR(sc, field, type) \ + ((type *) &(((char *) (SC_FPSTATE(sc)))[HOST_##field])) + +#define SC_IP(sc) SC_OFFSET(sc, SC_IP) +#define SC_SP(sc) SC_OFFSET(sc, SC_SP) +#define SC_FS(sc) SC_OFFSET(sc, SC_FS) +#define SC_GS(sc) SC_OFFSET(sc, SC_GS) +#define SC_DS(sc) SC_OFFSET(sc, SC_DS) +#define SC_ES(sc) SC_OFFSET(sc, SC_ES) +#define SC_SS(sc) SC_OFFSET(sc, SC_SS) +#define SC_CS(sc) SC_OFFSET(sc, SC_CS) +#define SC_EFLAGS(sc) SC_OFFSET(sc, SC_EFLAGS) +#define SC_EAX(sc) SC_OFFSET(sc, SC_EAX) +#define SC_EBX(sc) SC_OFFSET(sc, SC_EBX) +#define SC_ECX(sc) SC_OFFSET(sc, SC_ECX) +#define SC_EDX(sc) SC_OFFSET(sc, SC_EDX) +#define SC_EDI(sc) SC_OFFSET(sc, SC_EDI) +#define SC_ESI(sc) SC_OFFSET(sc, SC_ESI) +#define SC_EBP(sc) SC_OFFSET(sc, SC_EBP) +#define SC_TRAPNO(sc) SC_OFFSET(sc, SC_TRAPNO) +#define SC_ERR(sc) SC_OFFSET(sc, SC_ERR) +#define SC_CR2(sc) SC_OFFSET(sc, SC_CR2) +#define SC_FPSTATE(sc) SC_OFFSET(sc, SC_FPSTATE) +#define SC_SIGMASK(sc) SC_OFFSET(sc, SC_SIGMASK) +#define SC_FP_CW(sc) SC_FP_OFFSET(sc, SC_FP_CW) +#define SC_FP_SW(sc) SC_FP_OFFSET(sc, SC_FP_SW) +#define SC_FP_TAG(sc) SC_FP_OFFSET(sc, SC_FP_TAG) +#define SC_FP_IPOFF(sc) SC_FP_OFFSET(sc, SC_FP_IPOFF) +#define SC_FP_CSSEL(sc) SC_FP_OFFSET(sc, SC_FP_CSSEL) +#define SC_FP_DATAOFF(sc) SC_FP_OFFSET(sc, SC_FP_DATAOFF) +#define SC_FP_DATASEL(sc) SC_FP_OFFSET(sc, SC_FP_DATASEL) +#define SC_FP_ST(sc) SC_FP_OFFSET_PTR(sc, SC_FP_ST, struct _fpstate) +#define SC_FXSR_ENV(sc) SC_FP_OFFSET_PTR(sc, SC_FXSR_ENV, void) + +#endif diff --git a/arch/um/sys-i386/shared/sysdep/sigcontext.h b/arch/um/sys-i386/shared/sysdep/sigcontext.h new file mode 100644 index 00000000000..f583c87111a --- /dev/null +++ b/arch/um/sys-i386/shared/sysdep/sigcontext.h @@ -0,0 +1,26 @@ +/* + * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) + * Licensed under the GPL + */ + +#ifndef __SYS_SIGCONTEXT_I386_H +#define __SYS_SIGCONTEXT_I386_H + +#include "sysdep/sc.h" + +#define IP_RESTART_SYSCALL(ip) ((ip) -= 2) + +#define GET_FAULTINFO_FROM_SC(fi, sc) \ + { \ + (fi).cr2 = SC_CR2(sc); \ + (fi).error_code = SC_ERR(sc); \ + (fi).trap_no = SC_TRAPNO(sc); \ + } + +/* This is Page Fault */ +#define SEGV_IS_FIXABLE(fi) ((fi)->trap_no == 14) + +/* SKAS3 has no trap_no on i386, but get_skas_faultinfo() sets it to 0. */ +#define SEGV_MAYBE_FIXABLE(fi) ((fi)->trap_no == 0 && ptrace_faultinfo) + +#endif diff --git a/arch/um/sys-i386/shared/sysdep/skas_ptrace.h b/arch/um/sys-i386/shared/sysdep/skas_ptrace.h new file mode 100644 index 00000000000..e27b8a79177 --- /dev/null +++ b/arch/um/sys-i386/shared/sysdep/skas_ptrace.h @@ -0,0 +1,22 @@ +/* + * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com) + * Licensed under the GPL + */ + +#ifndef __SYSDEP_I386_SKAS_PTRACE_H +#define __SYSDEP_I386_SKAS_PTRACE_H + +struct ptrace_faultinfo { + int is_write; + unsigned long addr; +}; + +struct ptrace_ldt { + int func; + void *ptr; + unsigned long bytecount; +}; + +#define PTRACE_LDT 54 + +#endif diff --git a/arch/um/sys-i386/shared/sysdep/stub.h b/arch/um/sys-i386/shared/sysdep/stub.h new file mode 100644 index 00000000000..8c097b87fca --- /dev/null +++ b/arch/um/sys-i386/shared/sysdep/stub.h @@ -0,0 +1,102 @@ +/* + * Copyright (C) 2004 Jeff Dike (jdike@addtoit.com) + * Licensed under the GPL + */ + +#ifndef __SYSDEP_STUB_H +#define __SYSDEP_STUB_H + +#include +#include +#include +#include "as-layout.h" +#include "stub-data.h" +#include "kern_constants.h" +#include "uml-config.h" + +extern void stub_segv_handler(int sig); +extern void stub_clone_handler(void); + +#define STUB_SYSCALL_RET EAX +#define STUB_MMAP_NR __NR_mmap2 +#define MMAP_OFFSET(o) ((o) >> UM_KERN_PAGE_SHIFT) + +static inline long stub_syscall0(long syscall) +{ + long ret; + + __asm__ volatile ("int $0x80" : "=a" (ret) : "0" (syscall)); + + return ret; +} + +static inline long stub_syscall1(long syscall, long arg1) +{ + long ret; + + __asm__ volatile ("int $0x80" : "=a" (ret) : "0" (syscall), "b" (arg1)); + + return ret; +} + +static inline long stub_syscall2(long syscall, long arg1, long arg2) +{ + long ret; + + __asm__ volatile ("int $0x80" : "=a" (ret) : "0" (syscall), "b" (arg1), + "c" (arg2)); + + return ret; +} + +static inline long stub_syscall3(long syscall, long arg1, long arg2, long arg3) +{ + long ret; + + __asm__ volatile ("int $0x80" : "=a" (ret) : "0" (syscall), "b" (arg1), + "c" (arg2), "d" (arg3)); + + return ret; +} + +static inline long stub_syscall4(long syscall, long arg1, long arg2, long arg3, + long arg4) +{ + long ret; + + __asm__ volatile ("int $0x80" : "=a" (ret) : "0" (syscall), "b" (arg1), + "c" (arg2), "d" (arg3), "S" (arg4)); + + return ret; +} + +static inline long stub_syscall5(long syscall, long arg1, long arg2, long arg3, + long arg4, long arg5) +{ + long ret; + + __asm__ volatile ("int $0x80" : "=a" (ret) : "0" (syscall), "b" (arg1), + "c" (arg2), "d" (arg3), "S" (arg4), "D" (arg5)); + + return ret; +} + +static inline void trap_myself(void) +{ + __asm("int3"); +} + +static inline void remap_stack(int fd, unsigned long offset) +{ + __asm__ volatile ("movl %%eax,%%ebp ; movl %0,%%eax ; int $0x80 ;" + "movl %7, %%ebx ; movl %%eax, (%%ebx)" + : : "g" (STUB_MMAP_NR), "b" (STUB_DATA), + "c" (UM_KERN_PAGE_SIZE), + "d" (PROT_READ | PROT_WRITE), + "S" (MAP_FIXED | MAP_SHARED), "D" (fd), + "a" (offset), + "i" (&((struct stub_data *) STUB_DATA)->err) + : "memory"); +} + +#endif diff --git a/arch/um/sys-i386/shared/sysdep/syscalls.h b/arch/um/sys-i386/shared/sysdep/syscalls.h new file mode 100644 index 00000000000..905698197e3 --- /dev/null +++ b/arch/um/sys-i386/shared/sysdep/syscalls.h @@ -0,0 +1,26 @@ +/* + * Copyright (C) 2000 - 2008 Jeff Dike (jdike@{addtoit,linux.intel}.com) + * Licensed under the GPL + */ + +#include "asm/unistd.h" +#include "sysdep/ptrace.h" + +typedef long syscall_handler_t(struct pt_regs); + +/* Not declared on x86, incompatible declarations on x86_64, so these have + * to go here rather than in sys_call_table.c + */ +extern syscall_handler_t sys_rt_sigaction; + +extern syscall_handler_t old_mmap_i386; + +extern syscall_handler_t *sys_call_table[]; + +#define EXECUTE_SYSCALL(syscall, regs) \ + ((long (*)(struct syscall_args)) \ + (*sys_call_table[syscall]))(SYSCALL_ARGS(®s->regs)) + +extern long sys_mmap2(unsigned long addr, unsigned long len, + unsigned long prot, unsigned long flags, + unsigned long fd, unsigned long pgoff); diff --git a/arch/um/sys-i386/shared/sysdep/system.h b/arch/um/sys-i386/shared/sysdep/system.h new file mode 100644 index 00000000000..d1b93c43620 --- /dev/null +++ b/arch/um/sys-i386/shared/sysdep/system.h @@ -0,0 +1,132 @@ +#ifndef _ASM_X86_SYSTEM_H_ +#define _ASM_X86_SYSTEM_H_ + +#include +#include +#include +#include +#include + +#include +#include + +/* entries in ARCH_DLINFO: */ +#ifdef CONFIG_IA32_EMULATION +# define AT_VECTOR_SIZE_ARCH 2 +#else +# define AT_VECTOR_SIZE_ARCH 1 +#endif + +extern unsigned long arch_align_stack(unsigned long sp); + +void default_idle(void); + +/* + * Force strict CPU ordering. + * And yes, this is required on UP too when we're talking + * to devices. + */ +#ifdef CONFIG_X86_32 +/* + * Some non-Intel clones support out of order store. wmb() ceases to be a + * nop for these. + */ +#define mb() alternative("lock; addl $0,0(%%esp)", "mfence", X86_FEATURE_XMM2) +#define rmb() alternative("lock; addl $0,0(%%esp)", "lfence", X86_FEATURE_XMM2) +#define wmb() alternative("lock; addl $0,0(%%esp)", "sfence", X86_FEATURE_XMM) +#else +#define mb() asm volatile("mfence":::"memory") +#define rmb() asm volatile("lfence":::"memory") +#define wmb() asm volatile("sfence" ::: "memory") +#endif + +/** + * read_barrier_depends - Flush all pending reads that subsequents reads + * depend on. + * + * No data-dependent reads from memory-like regions are ever reordered + * over this barrier. All reads preceding this primitive are guaranteed + * to access memory (but not necessarily other CPUs' caches) before any + * reads following this primitive that depend on the data return by + * any of the preceding reads. This primitive is much lighter weight than + * rmb() on most CPUs, and is never heavier weight than is + * rmb(). + * + * These ordering constraints are respected by both the local CPU + * and the compiler. + * + * Ordering is not guaranteed by anything other than these primitives, + * not even by data dependencies. See the documentation for + * memory_barrier() for examples and URLs to more information. + * + * For example, the following code would force ordering (the initial + * value of "a" is zero, "b" is one, and "p" is "&a"): + * + * + * CPU 0 CPU 1 + * + * b = 2; + * memory_barrier(); + * p = &b; q = p; + * read_barrier_depends(); + * d = *q; + * + * + * because the read of "*q" depends on the read of "p" and these + * two reads are separated by a read_barrier_depends(). However, + * the following code, with the same initial values for "a" and "b": + * + * + * CPU 0 CPU 1 + * + * a = 2; + * memory_barrier(); + * b = 3; y = b; + * read_barrier_depends(); + * x = a; + * + * + * does not enforce ordering, since there is no data dependency between + * the read of "a" and the read of "b". Therefore, on some CPUs, such + * as Alpha, "y" could be set to 3 and "x" to 0. Use rmb() + * in cases like this where there are no data dependencies. + **/ + +#define read_barrier_depends() do { } while (0) + +#ifdef CONFIG_SMP +#define smp_mb() mb() +#ifdef CONFIG_X86_PPRO_FENCE +# define smp_rmb() rmb() +#else +# define smp_rmb() barrier() +#endif +#ifdef CONFIG_X86_OOSTORE +# define smp_wmb() wmb() +#else +# define smp_wmb() barrier() +#endif +#define smp_read_barrier_depends() read_barrier_depends() +#define set_mb(var, value) do { (void)xchg(&var, value); } while (0) +#else +#define smp_mb() barrier() +#define smp_rmb() barrier() +#define smp_wmb() barrier() +#define smp_read_barrier_depends() do { } while (0) +#define set_mb(var, value) do { var = value; barrier(); } while (0) +#endif + +/* + * Stop RDTSC speculation. This is needed when you need to use RDTSC + * (or get_cycles or vread that possibly accesses the TSC) in a defined + * code region. + * + * (Could use an alternative three way for this if there was one.) + */ +static inline void rdtsc_barrier(void) +{ + alternative(ASM_NOP3, "mfence", X86_FEATURE_MFENCE_RDTSC); + alternative(ASM_NOP3, "lfence", X86_FEATURE_LFENCE_RDTSC); +} + +#endif diff --git a/arch/um/sys-i386/shared/sysdep/tls.h b/arch/um/sys-i386/shared/sysdep/tls.h new file mode 100644 index 00000000000..34550755b2a --- /dev/null +++ b/arch/um/sys-i386/shared/sysdep/tls.h @@ -0,0 +1,32 @@ +#ifndef _SYSDEP_TLS_H +#define _SYSDEP_TLS_H + +# ifndef __KERNEL__ + +/* Change name to avoid conflicts with the original one from , which + * may be named user_desc (but in 2.4 and in header matching its API was named + * modify_ldt_ldt_s). */ + +typedef struct um_dup_user_desc { + unsigned int entry_number; + unsigned int base_addr; + unsigned int limit; + unsigned int seg_32bit:1; + unsigned int contents:2; + unsigned int read_exec_only:1; + unsigned int limit_in_pages:1; + unsigned int seg_not_present:1; + unsigned int useable:1; +} user_desc_t; + +# else /* __KERNEL__ */ + +# include +typedef struct user_desc user_desc_t; + +# endif /* __KERNEL__ */ + +#define GDT_ENTRY_TLS_MIN_I386 6 +#define GDT_ENTRY_TLS_MIN_X86_64 12 + +#endif /* _SYSDEP_TLS_H */ diff --git a/arch/um/sys-i386/shared/sysdep/vm-flags.h b/arch/um/sys-i386/shared/sysdep/vm-flags.h new file mode 100644 index 00000000000..e0d24c568db --- /dev/null +++ b/arch/um/sys-i386/shared/sysdep/vm-flags.h @@ -0,0 +1,14 @@ +/* + * Copyright (C) 2004 Jeff Dike (jdike@addtoit.com) + * Licensed under the GPL + */ + +#ifndef __VM_FLAGS_I386_H +#define __VM_FLAGS_I386_H + +#define VM_DATA_DEFAULT_FLAGS \ + (VM_READ | VM_WRITE | \ + ((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0 ) | \ + VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) + +#endif diff --git a/arch/um/sys-i386/sysdep/archsetjmp.h b/arch/um/sys-i386/sysdep/archsetjmp.h deleted file mode 100644 index 0f312085ce1..00000000000 --- a/arch/um/sys-i386/sysdep/archsetjmp.h +++ /dev/null @@ -1,22 +0,0 @@ -/* - * arch/um/include/sysdep-i386/archsetjmp.h - */ - -#ifndef _KLIBC_ARCHSETJMP_H -#define _KLIBC_ARCHSETJMP_H - -struct __jmp_buf { - unsigned int __ebx; - unsigned int __esp; - unsigned int __ebp; - unsigned int __esi; - unsigned int __edi; - unsigned int __eip; -}; - -typedef struct __jmp_buf jmp_buf[1]; - -#define JB_IP __eip -#define JB_SP __esp - -#endif /* _SETJMP_H */ diff --git a/arch/um/sys-i386/sysdep/barrier.h b/arch/um/sys-i386/sysdep/barrier.h deleted file mode 100644 index b58d52c5b2f..00000000000 --- a/arch/um/sys-i386/sysdep/barrier.h +++ /dev/null @@ -1,9 +0,0 @@ -#ifndef __SYSDEP_I386_BARRIER_H -#define __SYSDEP_I386_BARRIER_H - -/* Copied from include/asm-i386 for use by userspace. i386 has the option - * of using mfence, but I'm just using this, which works everywhere, for now. - */ -#define mb() asm volatile("lock; addl $0,0(%esp)") - -#endif diff --git a/arch/um/sys-i386/sysdep/checksum.h b/arch/um/sys-i386/sysdep/checksum.h deleted file mode 100644 index 0cb4645cbeb..00000000000 --- a/arch/um/sys-i386/sysdep/checksum.h +++ /dev/null @@ -1,211 +0,0 @@ -/* - * Licensed under the GPL - */ - -#ifndef __UM_SYSDEP_CHECKSUM_H -#define __UM_SYSDEP_CHECKSUM_H - -#include "linux/in6.h" -#include "linux/string.h" - -/* - * computes the checksum of a memory block at buff, length len, - * and adds in "sum" (32-bit) - * - * returns a 32-bit number suitable for feeding into itself - * or csum_tcpudp_magic - * - * this function must be called with even lengths, except - * for the last fragment, which may be odd - * - * it's best to have buff aligned on a 32-bit boundary - */ -__wsum csum_partial(const void *buff, int len, __wsum sum); - -/* - * Note: when you get a NULL pointer exception here this means someone - * passed in an incorrect kernel address to one of these functions. - * - * If you use these functions directly please don't forget the - * access_ok(). - */ - -static __inline__ -__wsum csum_partial_copy_nocheck(const void *src, void *dst, - int len, __wsum sum) -{ - memcpy(dst, src, len); - return csum_partial(dst, len, sum); -} - -/* - * the same as csum_partial, but copies from src while it - * checksums, and handles user-space pointer exceptions correctly, when needed. - * - * here even more important to align src and dst on a 32-bit (or even - * better 64-bit) boundary - */ - -static __inline__ -__wsum csum_partial_copy_from_user(const void __user *src, void *dst, - int len, __wsum sum, int *err_ptr) -{ - if (copy_from_user(dst, src, len)) { - *err_ptr = -EFAULT; - return (__force __wsum)-1; - } - - return csum_partial(dst, len, sum); -} - -/* - * This is a version of ip_compute_csum() optimized for IP headers, - * which always checksum on 4 octet boundaries. - * - * By Jorge Cwik , adapted for linux by - * Arnt Gulbrandsen. - */ -static inline __sum16 ip_fast_csum(const void *iph, unsigned int ihl) -{ - unsigned int sum; - - __asm__ __volatile__( - "movl (%1), %0 ;\n" - "subl $4, %2 ;\n" - "jbe 2f ;\n" - "addl 4(%1), %0 ;\n" - "adcl 8(%1), %0 ;\n" - "adcl 12(%1), %0 ;\n" -"1: adcl 16(%1), %0 ;\n" - "lea 4(%1), %1 ;\n" - "decl %2 ;\n" - "jne 1b ;\n" - "adcl $0, %0 ;\n" - "movl %0, %2 ;\n" - "shrl $16, %0 ;\n" - "addw %w2, %w0 ;\n" - "adcl $0, %0 ;\n" - "notl %0 ;\n" -"2: ;\n" - /* Since the input registers which are loaded with iph and ipl - are modified, we must also specify them as outputs, or gcc - will assume they contain their original values. */ - : "=r" (sum), "=r" (iph), "=r" (ihl) - : "1" (iph), "2" (ihl) - : "memory"); - return (__force __sum16)sum; -} - -/* - * Fold a partial checksum - */ - -static inline __sum16 csum_fold(__wsum sum) -{ - __asm__( - "addl %1, %0 ;\n" - "adcl $0xffff, %0 ;\n" - : "=r" (sum) - : "r" ((__force u32)sum << 16), - "0" ((__force u32)sum & 0xffff0000) - ); - return (__force __sum16)(~(__force u32)sum >> 16); -} - -static inline __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr, - unsigned short len, - unsigned short proto, - __wsum sum) -{ - __asm__( - "addl %1, %0 ;\n" - "adcl %2, %0 ;\n" - "adcl %3, %0 ;\n" - "adcl $0, %0 ;\n" - : "=r" (sum) - : "g" (daddr), "g"(saddr), "g"((len + proto) << 8), "0"(sum)); - return sum; -} - -/* - * computes the checksum of the TCP/UDP pseudo-header - * returns a 16-bit checksum, already complemented - */ -static inline __sum16 csum_tcpudp_magic(__be32 saddr, __be32 daddr, - unsigned short len, - unsigned short proto, - __wsum sum) -{ - return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum)); -} - -/* - * this routine is used for miscellaneous IP-like checksums, mainly - * in icmp.c - */ - -static inline __sum16 ip_compute_csum(const void *buff, int len) -{ - return csum_fold (csum_partial(buff, len, 0)); -} - -#define _HAVE_ARCH_IPV6_CSUM -static __inline__ __sum16 csum_ipv6_magic(const struct in6_addr *saddr, - const struct in6_addr *daddr, - __u32 len, unsigned short proto, - __wsum sum) -{ - __asm__( - "addl 0(%1), %0 ;\n" - "adcl 4(%1), %0 ;\n" - "adcl 8(%1), %0 ;\n" - "adcl 12(%1), %0 ;\n" - "adcl 0(%2), %0 ;\n" - "adcl 4(%2), %0 ;\n" - "adcl 8(%2), %0 ;\n" - "adcl 12(%2), %0 ;\n" - "adcl %3, %0 ;\n" - "adcl %4, %0 ;\n" - "adcl $0, %0 ;\n" - : "=&r" (sum) - : "r" (saddr), "r" (daddr), - "r"(htonl(len)), "r"(htonl(proto)), "0"(sum)); - - return csum_fold(sum); -} - -/* - * Copy and checksum to user - */ -#define HAVE_CSUM_COPY_USER -static __inline__ __wsum csum_and_copy_to_user(const void *src, - void __user *dst, - int len, __wsum sum, int *err_ptr) -{ - if (access_ok(VERIFY_WRITE, dst, len)) { - if (copy_to_user(dst, src, len)) { - *err_ptr = -EFAULT; - return (__force __wsum)-1; - } - - return csum_partial(src, len, sum); - } - - if (len) - *err_ptr = -EFAULT; - - return (__force __wsum)-1; /* invalid checksum */ -} - -#endif - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/sys-i386/sysdep/faultinfo.h b/arch/um/sys-i386/sysdep/faultinfo.h deleted file mode 100644 index db437cc373b..00000000000 --- a/arch/um/sys-i386/sysdep/faultinfo.h +++ /dev/null @@ -1,29 +0,0 @@ -/* - * Copyright (C) 2004 Fujitsu Siemens Computers GmbH - * Author: Bodo Stroesser - * Licensed under the GPL - */ - -#ifndef __FAULTINFO_I386_H -#define __FAULTINFO_I386_H - -/* this structure contains the full arch-specific faultinfo - * from the traps. - * On i386, ptrace_faultinfo unfortunately doesn't provide - * all the info, since trap_no is missing. - * All common elements are defined at the same position in - * both structures, thus making it easy to copy the - * contents without knowledge about the structure elements. - */ -struct faultinfo { - int error_code; /* in ptrace_faultinfo misleadingly called is_write */ - unsigned long cr2; /* in ptrace_faultinfo called addr */ - int trap_no; /* missing in ptrace_faultinfo */ -}; - -#define FAULT_WRITE(fi) ((fi).error_code & 2) -#define FAULT_ADDRESS(fi) ((fi).cr2) - -#define PTRACE_FULL_FAULTINFO 0 - -#endif diff --git a/arch/um/sys-i386/sysdep/host_ldt.h b/arch/um/sys-i386/sysdep/host_ldt.h deleted file mode 100644 index 0953cc4df65..00000000000 --- a/arch/um/sys-i386/sysdep/host_ldt.h +++ /dev/null @@ -1,34 +0,0 @@ -#ifndef __ASM_HOST_LDT_I386_H -#define __ASM_HOST_LDT_I386_H - -#include - -/* - * macros stolen from include/asm-i386/desc.h - */ -#define LDT_entry_a(info) \ - ((((info)->base_addr & 0x0000ffff) << 16) | ((info)->limit & 0x0ffff)) - -#define LDT_entry_b(info) \ - (((info)->base_addr & 0xff000000) | \ - (((info)->base_addr & 0x00ff0000) >> 16) | \ - ((info)->limit & 0xf0000) | \ - (((info)->read_exec_only ^ 1) << 9) | \ - ((info)->contents << 10) | \ - (((info)->seg_not_present ^ 1) << 15) | \ - ((info)->seg_32bit << 22) | \ - ((info)->limit_in_pages << 23) | \ - ((info)->useable << 20) | \ - 0x7000) - -#define LDT_empty(info) (\ - (info)->base_addr == 0 && \ - (info)->limit == 0 && \ - (info)->contents == 0 && \ - (info)->read_exec_only == 1 && \ - (info)->seg_32bit == 0 && \ - (info)->limit_in_pages == 0 && \ - (info)->seg_not_present == 1 && \ - (info)->useable == 0 ) - -#endif diff --git a/arch/um/sys-i386/sysdep/kernel-offsets.h b/arch/um/sys-i386/sysdep/kernel-offsets.h deleted file mode 100644 index 5868526b5ee..00000000000 --- a/arch/um/sys-i386/sysdep/kernel-offsets.h +++ /dev/null @@ -1,21 +0,0 @@ -#include -#include -#include -#include -#include - -#define DEFINE(sym, val) \ - asm volatile("\n->" #sym " %0 " #val : : "i" (val)) - -#define STR(x) #x -#define DEFINE_STR(sym, val) asm volatile("\n->" #sym " " STR(val) " " #val: : ) - -#define BLANK() asm volatile("\n->" : : ) - -#define OFFSET(sym, str, mem) \ - DEFINE(sym, offsetof(struct str, mem)); - -void foo(void) -{ -#include -} diff --git a/arch/um/sys-i386/sysdep/ptrace.h b/arch/um/sys-i386/sysdep/ptrace.h deleted file mode 100644 index 11c08969d13..00000000000 --- a/arch/um/sys-i386/sysdep/ptrace.h +++ /dev/null @@ -1,171 +0,0 @@ -/* - * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) - * Licensed under the GPL - */ - -#ifndef __SYSDEP_I386_PTRACE_H -#define __SYSDEP_I386_PTRACE_H - -#include "uml-config.h" -#include "user_constants.h" -#include "sysdep/faultinfo.h" - -#define MAX_REG_NR (UM_FRAME_SIZE / sizeof(unsigned long)) -#define MAX_REG_OFFSET (UM_FRAME_SIZE) - -static inline void update_debugregs(int seq) {} - -/* syscall emulation path in ptrace */ - -#ifndef PTRACE_SYSEMU -#define PTRACE_SYSEMU 31 -#endif - -void set_using_sysemu(int value); -int get_using_sysemu(void); -extern int sysemu_supported; - -#include "skas_ptregs.h" - -#define REGS_IP(r) ((r)[HOST_IP]) -#define REGS_SP(r) ((r)[HOST_SP]) -#define REGS_EFLAGS(r) ((r)[HOST_EFLAGS]) -#define REGS_EAX(r) ((r)[HOST_EAX]) -#define REGS_EBX(r) ((r)[HOST_EBX]) -#define REGS_ECX(r) ((r)[HOST_ECX]) -#define REGS_EDX(r) ((r)[HOST_EDX]) -#define REGS_ESI(r) ((r)[HOST_ESI]) -#define REGS_EDI(r) ((r)[HOST_EDI]) -#define REGS_EBP(r) ((r)[HOST_EBP]) -#define REGS_CS(r) ((r)[HOST_CS]) -#define REGS_SS(r) ((r)[HOST_SS]) -#define REGS_DS(r) ((r)[HOST_DS]) -#define REGS_ES(r) ((r)[HOST_ES]) -#define REGS_FS(r) ((r)[HOST_FS]) -#define REGS_GS(r) ((r)[HOST_GS]) - -#define REGS_SET_SYSCALL_RETURN(r, res) REGS_EAX(r) = (res) - -#define REGS_RESTART_SYSCALL(r) IP_RESTART_SYSCALL(REGS_IP(r)) - -#ifndef PTRACE_SYSEMU_SINGLESTEP -#define PTRACE_SYSEMU_SINGLESTEP 32 -#endif - -struct uml_pt_regs { - unsigned long gp[MAX_REG_NR]; - struct faultinfo faultinfo; - long syscall; - int is_user; -}; - -#define EMPTY_UML_PT_REGS { } - -#define UPT_IP(r) REGS_IP((r)->gp) -#define UPT_SP(r) REGS_SP((r)->gp) -#define UPT_EFLAGS(r) REGS_EFLAGS((r)->gp) -#define UPT_EAX(r) REGS_EAX((r)->gp) -#define UPT_EBX(r) REGS_EBX((r)->gp) -#define UPT_ECX(r) REGS_ECX((r)->gp) -#define UPT_EDX(r) REGS_EDX((r)->gp) -#define UPT_ESI(r) REGS_ESI((r)->gp) -#define UPT_EDI(r) REGS_EDI((r)->gp) -#define UPT_EBP(r) REGS_EBP((r)->gp) -#define UPT_ORIG_EAX(r) ((r)->syscall) -#define UPT_CS(r) REGS_CS((r)->gp) -#define UPT_SS(r) REGS_SS((r)->gp) -#define UPT_DS(r) REGS_DS((r)->gp) -#define UPT_ES(r) REGS_ES((r)->gp) -#define UPT_FS(r) REGS_FS((r)->gp) -#define UPT_GS(r) REGS_GS((r)->gp) - -#define UPT_SYSCALL_ARG1(r) UPT_EBX(r) -#define UPT_SYSCALL_ARG2(r) UPT_ECX(r) -#define UPT_SYSCALL_ARG3(r) UPT_EDX(r) -#define UPT_SYSCALL_ARG4(r) UPT_ESI(r) -#define UPT_SYSCALL_ARG5(r) UPT_EDI(r) -#define UPT_SYSCALL_ARG6(r) UPT_EBP(r) - -extern int user_context(unsigned long sp); - -#define UPT_IS_USER(r) ((r)->is_user) - -struct syscall_args { - unsigned long args[6]; -}; - -#define SYSCALL_ARGS(r) ((struct syscall_args) \ - { .args = { UPT_SYSCALL_ARG1(r), \ - UPT_SYSCALL_ARG2(r), \ - UPT_SYSCALL_ARG3(r), \ - UPT_SYSCALL_ARG4(r), \ - UPT_SYSCALL_ARG5(r), \ - UPT_SYSCALL_ARG6(r) } } ) - -#define UPT_REG(regs, reg) \ - ({ unsigned long val; \ - switch(reg){ \ - case EIP: val = UPT_IP(regs); break; \ - case UESP: val = UPT_SP(regs); break; \ - case EAX: val = UPT_EAX(regs); break; \ - case EBX: val = UPT_EBX(regs); break; \ - case ECX: val = UPT_ECX(regs); break; \ - case EDX: val = UPT_EDX(regs); break; \ - case ESI: val = UPT_ESI(regs); break; \ - case EDI: val = UPT_EDI(regs); break; \ - case EBP: val = UPT_EBP(regs); break; \ - case ORIG_EAX: val = UPT_ORIG_EAX(regs); break; \ - case CS: val = UPT_CS(regs); break; \ - case SS: val = UPT_SS(regs); break; \ - case DS: val = UPT_DS(regs); break; \ - case ES: val = UPT_ES(regs); break; \ - case FS: val = UPT_FS(regs); break; \ - case GS: val = UPT_GS(regs); break; \ - case EFL: val = UPT_EFLAGS(regs); break; \ - default : \ - panic("Bad register in UPT_REG : %d\n", reg); \ - val = -1; \ - } \ - val; \ - }) - -#define UPT_SET(regs, reg, val) \ - do { \ - switch(reg){ \ - case EIP: UPT_IP(regs) = val; break; \ - case UESP: UPT_SP(regs) = val; break; \ - case EAX: UPT_EAX(regs) = val; break; \ - case EBX: UPT_EBX(regs) = val; break; \ - case ECX: UPT_ECX(regs) = val; break; \ - case EDX: UPT_EDX(regs) = val; break; \ - case ESI: UPT_ESI(regs) = val; break; \ - case EDI: UPT_EDI(regs) = val; break; \ - case EBP: UPT_EBP(regs) = val; break; \ - case ORIG_EAX: UPT_ORIG_EAX(regs) = val; break; \ - case CS: UPT_CS(regs) = val; break; \ - case SS: UPT_SS(regs) = val; break; \ - case DS: UPT_DS(regs) = val; break; \ - case ES: UPT_ES(regs) = val; break; \ - case FS: UPT_FS(regs) = val; break; \ - case GS: UPT_GS(regs) = val; break; \ - case EFL: UPT_EFLAGS(regs) = val; break; \ - default : \ - panic("Bad register in UPT_SET : %d\n", reg); \ - break; \ - } \ - } while (0) - -#define UPT_SET_SYSCALL_RETURN(r, res) \ - REGS_SET_SYSCALL_RETURN((r)->regs, (res)) - -#define UPT_RESTART_SYSCALL(r) REGS_RESTART_SYSCALL((r)->gp) - -#define UPT_ORIG_SYSCALL(r) UPT_EAX(r) -#define UPT_SYSCALL_NR(r) UPT_ORIG_EAX(r) -#define UPT_SYSCALL_RET(r) UPT_EAX(r) - -#define UPT_FAULTINFO(r) (&(r)->faultinfo) - -extern void arch_init_registers(int pid); - -#endif diff --git a/arch/um/sys-i386/sysdep/ptrace_user.h b/arch/um/sys-i386/sysdep/ptrace_user.h deleted file mode 100644 index ef56247e414..00000000000 --- a/arch/um/sys-i386/sysdep/ptrace_user.h +++ /dev/null @@ -1,50 +0,0 @@ -/* - * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) - * Licensed under the GPL - */ - -#ifndef __SYSDEP_I386_PTRACE_USER_H__ -#define __SYSDEP_I386_PTRACE_USER_H__ - -#include -#include -#include -#include "user_constants.h" - -#define PT_OFFSET(r) ((r) * sizeof(long)) - -#define PT_SYSCALL_NR(regs) ((regs)[ORIG_EAX]) -#define PT_SYSCALL_NR_OFFSET PT_OFFSET(ORIG_EAX) - -#define PT_SYSCALL_ARG1_OFFSET PT_OFFSET(EBX) -#define PT_SYSCALL_ARG2_OFFSET PT_OFFSET(ECX) -#define PT_SYSCALL_ARG3_OFFSET PT_OFFSET(EDX) -#define PT_SYSCALL_ARG4_OFFSET PT_OFFSET(ESI) -#define PT_SYSCALL_ARG5_OFFSET PT_OFFSET(EDI) -#define PT_SYSCALL_ARG6_OFFSET PT_OFFSET(EBP) - -#define PT_SYSCALL_RET_OFFSET PT_OFFSET(EAX) - -#define REGS_SYSCALL_NR EAX /* This is used before a system call */ -#define REGS_SYSCALL_ARG1 EBX -#define REGS_SYSCALL_ARG2 ECX -#define REGS_SYSCALL_ARG3 EDX -#define REGS_SYSCALL_ARG4 ESI -#define REGS_SYSCALL_ARG5 EDI -#define REGS_SYSCALL_ARG6 EBP - -#define REGS_IP_INDEX EIP -#define REGS_SP_INDEX UESP - -#define PT_IP_OFFSET PT_OFFSET(EIP) -#define PT_IP(regs) ((regs)[EIP]) -#define PT_SP_OFFSET PT_OFFSET(UESP) -#define PT_SP(regs) ((regs)[UESP]) - -#define FP_SIZE ((HOST_FPX_SIZE > HOST_FP_SIZE) ? HOST_FPX_SIZE : HOST_FP_SIZE) - -#ifndef FRAME_SIZE -#define FRAME_SIZE (17) -#endif - -#endif diff --git a/arch/um/sys-i386/sysdep/sc.h b/arch/um/sys-i386/sysdep/sc.h deleted file mode 100644 index c57d1780ad3..00000000000 --- a/arch/um/sys-i386/sysdep/sc.h +++ /dev/null @@ -1,44 +0,0 @@ -#ifndef __SYSDEP_I386_SC_H -#define __SYSDEP_I386_SC_H - -#include - -#define SC_OFFSET(sc, field) \ - *((unsigned long *) &(((char *) (sc))[HOST_##field])) -#define SC_FP_OFFSET(sc, field) \ - *((unsigned long *) &(((char *) (SC_FPSTATE(sc)))[HOST_##field])) -#define SC_FP_OFFSET_PTR(sc, field, type) \ - ((type *) &(((char *) (SC_FPSTATE(sc)))[HOST_##field])) - -#define SC_IP(sc) SC_OFFSET(sc, SC_IP) -#define SC_SP(sc) SC_OFFSET(sc, SC_SP) -#define SC_FS(sc) SC_OFFSET(sc, SC_FS) -#define SC_GS(sc) SC_OFFSET(sc, SC_GS) -#define SC_DS(sc) SC_OFFSET(sc, SC_DS) -#define SC_ES(sc) SC_OFFSET(sc, SC_ES) -#define SC_SS(sc) SC_OFFSET(sc, SC_SS) -#define SC_CS(sc) SC_OFFSET(sc, SC_CS) -#define SC_EFLAGS(sc) SC_OFFSET(sc, SC_EFLAGS) -#define SC_EAX(sc) SC_OFFSET(sc, SC_EAX) -#define SC_EBX(sc) SC_OFFSET(sc, SC_EBX) -#define SC_ECX(sc) SC_OFFSET(sc, SC_ECX) -#define SC_EDX(sc) SC_OFFSET(sc, SC_EDX) -#define SC_EDI(sc) SC_OFFSET(sc, SC_EDI) -#define SC_ESI(sc) SC_OFFSET(sc, SC_ESI) -#define SC_EBP(sc) SC_OFFSET(sc, SC_EBP) -#define SC_TRAPNO(sc) SC_OFFSET(sc, SC_TRAPNO) -#define SC_ERR(sc) SC_OFFSET(sc, SC_ERR) -#define SC_CR2(sc) SC_OFFSET(sc, SC_CR2) -#define SC_FPSTATE(sc) SC_OFFSET(sc, SC_FPSTATE) -#define SC_SIGMASK(sc) SC_OFFSET(sc, SC_SIGMASK) -#define SC_FP_CW(sc) SC_FP_OFFSET(sc, SC_FP_CW) -#define SC_FP_SW(sc) SC_FP_OFFSET(sc, SC_FP_SW) -#define SC_FP_TAG(sc) SC_FP_OFFSET(sc, SC_FP_TAG) -#define SC_FP_IPOFF(sc) SC_FP_OFFSET(sc, SC_FP_IPOFF) -#define SC_FP_CSSEL(sc) SC_FP_OFFSET(sc, SC_FP_CSSEL) -#define SC_FP_DATAOFF(sc) SC_FP_OFFSET(sc, SC_FP_DATAOFF) -#define SC_FP_DATASEL(sc) SC_FP_OFFSET(sc, SC_FP_DATASEL) -#define SC_FP_ST(sc) SC_FP_OFFSET_PTR(sc, SC_FP_ST, struct _fpstate) -#define SC_FXSR_ENV(sc) SC_FP_OFFSET_PTR(sc, SC_FXSR_ENV, void) - -#endif diff --git a/arch/um/sys-i386/sysdep/sigcontext.h b/arch/um/sys-i386/sysdep/sigcontext.h deleted file mode 100644 index f583c87111a..00000000000 --- a/arch/um/sys-i386/sysdep/sigcontext.h +++ /dev/null @@ -1,26 +0,0 @@ -/* - * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) - * Licensed under the GPL - */ - -#ifndef __SYS_SIGCONTEXT_I386_H -#define __SYS_SIGCONTEXT_I386_H - -#include "sysdep/sc.h" - -#define IP_RESTART_SYSCALL(ip) ((ip) -= 2) - -#define GET_FAULTINFO_FROM_SC(fi, sc) \ - { \ - (fi).cr2 = SC_CR2(sc); \ - (fi).error_code = SC_ERR(sc); \ - (fi).trap_no = SC_TRAPNO(sc); \ - } - -/* This is Page Fault */ -#define SEGV_IS_FIXABLE(fi) ((fi)->trap_no == 14) - -/* SKAS3 has no trap_no on i386, but get_skas_faultinfo() sets it to 0. */ -#define SEGV_MAYBE_FIXABLE(fi) ((fi)->trap_no == 0 && ptrace_faultinfo) - -#endif diff --git a/arch/um/sys-i386/sysdep/skas_ptrace.h b/arch/um/sys-i386/sysdep/skas_ptrace.h deleted file mode 100644 index e27b8a79177..00000000000 --- a/arch/um/sys-i386/sysdep/skas_ptrace.h +++ /dev/null @@ -1,22 +0,0 @@ -/* - * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com) - * Licensed under the GPL - */ - -#ifndef __SYSDEP_I386_SKAS_PTRACE_H -#define __SYSDEP_I386_SKAS_PTRACE_H - -struct ptrace_faultinfo { - int is_write; - unsigned long addr; -}; - -struct ptrace_ldt { - int func; - void *ptr; - unsigned long bytecount; -}; - -#define PTRACE_LDT 54 - -#endif diff --git a/arch/um/sys-i386/sysdep/stub.h b/arch/um/sys-i386/sysdep/stub.h deleted file mode 100644 index 8c097b87fca..00000000000 --- a/arch/um/sys-i386/sysdep/stub.h +++ /dev/null @@ -1,102 +0,0 @@ -/* - * Copyright (C) 2004 Jeff Dike (jdike@addtoit.com) - * Licensed under the GPL - */ - -#ifndef __SYSDEP_STUB_H -#define __SYSDEP_STUB_H - -#include -#include -#include -#include "as-layout.h" -#include "stub-data.h" -#include "kern_constants.h" -#include "uml-config.h" - -extern void stub_segv_handler(int sig); -extern void stub_clone_handler(void); - -#define STUB_SYSCALL_RET EAX -#define STUB_MMAP_NR __NR_mmap2 -#define MMAP_OFFSET(o) ((o) >> UM_KERN_PAGE_SHIFT) - -static inline long stub_syscall0(long syscall) -{ - long ret; - - __asm__ volatile ("int $0x80" : "=a" (ret) : "0" (syscall)); - - return ret; -} - -static inline long stub_syscall1(long syscall, long arg1) -{ - long ret; - - __asm__ volatile ("int $0x80" : "=a" (ret) : "0" (syscall), "b" (arg1)); - - return ret; -} - -static inline long stub_syscall2(long syscall, long arg1, long arg2) -{ - long ret; - - __asm__ volatile ("int $0x80" : "=a" (ret) : "0" (syscall), "b" (arg1), - "c" (arg2)); - - return ret; -} - -static inline long stub_syscall3(long syscall, long arg1, long arg2, long arg3) -{ - long ret; - - __asm__ volatile ("int $0x80" : "=a" (ret) : "0" (syscall), "b" (arg1), - "c" (arg2), "d" (arg3)); - - return ret; -} - -static inline long stub_syscall4(long syscall, long arg1, long arg2, long arg3, - long arg4) -{ - long ret; - - __asm__ volatile ("int $0x80" : "=a" (ret) : "0" (syscall), "b" (arg1), - "c" (arg2), "d" (arg3), "S" (arg4)); - - return ret; -} - -static inline long stub_syscall5(long syscall, long arg1, long arg2, long arg3, - long arg4, long arg5) -{ - long ret; - - __asm__ volatile ("int $0x80" : "=a" (ret) : "0" (syscall), "b" (arg1), - "c" (arg2), "d" (arg3), "S" (arg4), "D" (arg5)); - - return ret; -} - -static inline void trap_myself(void) -{ - __asm("int3"); -} - -static inline void remap_stack(int fd, unsigned long offset) -{ - __asm__ volatile ("movl %%eax,%%ebp ; movl %0,%%eax ; int $0x80 ;" - "movl %7, %%ebx ; movl %%eax, (%%ebx)" - : : "g" (STUB_MMAP_NR), "b" (STUB_DATA), - "c" (UM_KERN_PAGE_SIZE), - "d" (PROT_READ | PROT_WRITE), - "S" (MAP_FIXED | MAP_SHARED), "D" (fd), - "a" (offset), - "i" (&((struct stub_data *) STUB_DATA)->err) - : "memory"); -} - -#endif diff --git a/arch/um/sys-i386/sysdep/syscalls.h b/arch/um/sys-i386/sysdep/syscalls.h deleted file mode 100644 index 905698197e3..00000000000 --- a/arch/um/sys-i386/sysdep/syscalls.h +++ /dev/null @@ -1,26 +0,0 @@ -/* - * Copyright (C) 2000 - 2008 Jeff Dike (jdike@{addtoit,linux.intel}.com) - * Licensed under the GPL - */ - -#include "asm/unistd.h" -#include "sysdep/ptrace.h" - -typedef long syscall_handler_t(struct pt_regs); - -/* Not declared on x86, incompatible declarations on x86_64, so these have - * to go here rather than in sys_call_table.c - */ -extern syscall_handler_t sys_rt_sigaction; - -extern syscall_handler_t old_mmap_i386; - -extern syscall_handler_t *sys_call_table[]; - -#define EXECUTE_SYSCALL(syscall, regs) \ - ((long (*)(struct syscall_args)) \ - (*sys_call_table[syscall]))(SYSCALL_ARGS(®s->regs)) - -extern long sys_mmap2(unsigned long addr, unsigned long len, - unsigned long prot, unsigned long flags, - unsigned long fd, unsigned long pgoff); diff --git a/arch/um/sys-i386/sysdep/system.h b/arch/um/sys-i386/sysdep/system.h deleted file mode 100644 index d1b93c43620..00000000000 --- a/arch/um/sys-i386/sysdep/system.h +++ /dev/null @@ -1,132 +0,0 @@ -#ifndef _ASM_X86_SYSTEM_H_ -#define _ASM_X86_SYSTEM_H_ - -#include -#include -#include -#include -#include - -#include -#include - -/* entries in ARCH_DLINFO: */ -#ifdef CONFIG_IA32_EMULATION -# define AT_VECTOR_SIZE_ARCH 2 -#else -# define AT_VECTOR_SIZE_ARCH 1 -#endif - -extern unsigned long arch_align_stack(unsigned long sp); - -void default_idle(void); - -/* - * Force strict CPU ordering. - * And yes, this is required on UP too when we're talking - * to devices. - */ -#ifdef CONFIG_X86_32 -/* - * Some non-Intel clones support out of order store. wmb() ceases to be a - * nop for these. - */ -#define mb() alternative("lock; addl $0,0(%%esp)", "mfence", X86_FEATURE_XMM2) -#define rmb() alternative("lock; addl $0,0(%%esp)", "lfence", X86_FEATURE_XMM2) -#define wmb() alternative("lock; addl $0,0(%%esp)", "sfence", X86_FEATURE_XMM) -#else -#define mb() asm volatile("mfence":::"memory") -#define rmb() asm volatile("lfence":::"memory") -#define wmb() asm volatile("sfence" ::: "memory") -#endif - -/** - * read_barrier_depends - Flush all pending reads that subsequents reads - * depend on. - * - * No data-dependent reads from memory-like regions are ever reordered - * over this barrier. All reads preceding this primitive are guaranteed - * to access memory (but not necessarily other CPUs' caches) before any - * reads following this primitive that depend on the data return by - * any of the preceding reads. This primitive is much lighter weight than - * rmb() on most CPUs, and is never heavier weight than is - * rmb(). - * - * These ordering constraints are respected by both the local CPU - * and the compiler. - * - * Ordering is not guaranteed by anything other than these primitives, - * not even by data dependencies. See the documentation for - * memory_barrier() for examples and URLs to more information. - * - * For example, the following code would force ordering (the initial - * value of "a" is zero, "b" is one, and "p" is "&a"): - * - * - * CPU 0 CPU 1 - * - * b = 2; - * memory_barrier(); - * p = &b; q = p; - * read_barrier_depends(); - * d = *q; - * - * - * because the read of "*q" depends on the read of "p" and these - * two reads are separated by a read_barrier_depends(). However, - * the following code, with the same initial values for "a" and "b": - * - * - * CPU 0 CPU 1 - * - * a = 2; - * memory_barrier(); - * b = 3; y = b; - * read_barrier_depends(); - * x = a; - * - * - * does not enforce ordering, since there is no data dependency between - * the read of "a" and the read of "b". Therefore, on some CPUs, such - * as Alpha, "y" could be set to 3 and "x" to 0. Use rmb() - * in cases like this where there are no data dependencies. - **/ - -#define read_barrier_depends() do { } while (0) - -#ifdef CONFIG_SMP -#define smp_mb() mb() -#ifdef CONFIG_X86_PPRO_FENCE -# define smp_rmb() rmb() -#else -# define smp_rmb() barrier() -#endif -#ifdef CONFIG_X86_OOSTORE -# define smp_wmb() wmb() -#else -# define smp_wmb() barrier() -#endif -#define smp_read_barrier_depends() read_barrier_depends() -#define set_mb(var, value) do { (void)xchg(&var, value); } while (0) -#else -#define smp_mb() barrier() -#define smp_rmb() barrier() -#define smp_wmb() barrier() -#define smp_read_barrier_depends() do { } while (0) -#define set_mb(var, value) do { var = value; barrier(); } while (0) -#endif - -/* - * Stop RDTSC speculation. This is needed when you need to use RDTSC - * (or get_cycles or vread that possibly accesses the TSC) in a defined - * code region. - * - * (Could use an alternative three way for this if there was one.) - */ -static inline void rdtsc_barrier(void) -{ - alternative(ASM_NOP3, "mfence", X86_FEATURE_MFENCE_RDTSC); - alternative(ASM_NOP3, "lfence", X86_FEATURE_LFENCE_RDTSC); -} - -#endif diff --git a/arch/um/sys-i386/sysdep/tls.h b/arch/um/sys-i386/sysdep/tls.h deleted file mode 100644 index 34550755b2a..00000000000 --- a/arch/um/sys-i386/sysdep/tls.h +++ /dev/null @@ -1,32 +0,0 @@ -#ifndef _SYSDEP_TLS_H -#define _SYSDEP_TLS_H - -# ifndef __KERNEL__ - -/* Change name to avoid conflicts with the original one from , which - * may be named user_desc (but in 2.4 and in header matching its API was named - * modify_ldt_ldt_s). */ - -typedef struct um_dup_user_desc { - unsigned int entry_number; - unsigned int base_addr; - unsigned int limit; - unsigned int seg_32bit:1; - unsigned int contents:2; - unsigned int read_exec_only:1; - unsigned int limit_in_pages:1; - unsigned int seg_not_present:1; - unsigned int useable:1; -} user_desc_t; - -# else /* __KERNEL__ */ - -# include -typedef struct user_desc user_desc_t; - -# endif /* __KERNEL__ */ - -#define GDT_ENTRY_TLS_MIN_I386 6 -#define GDT_ENTRY_TLS_MIN_X86_64 12 - -#endif /* _SYSDEP_TLS_H */ diff --git a/arch/um/sys-i386/sysdep/vm-flags.h b/arch/um/sys-i386/sysdep/vm-flags.h deleted file mode 100644 index e0d24c568db..00000000000 --- a/arch/um/sys-i386/sysdep/vm-flags.h +++ /dev/null @@ -1,14 +0,0 @@ -/* - * Copyright (C) 2004 Jeff Dike (jdike@addtoit.com) - * Licensed under the GPL - */ - -#ifndef __VM_FLAGS_I386_H -#define __VM_FLAGS_I386_H - -#define VM_DATA_DEFAULT_FLAGS \ - (VM_READ | VM_WRITE | \ - ((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0 ) | \ - VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) - -#endif diff --git a/arch/um/sys-ppc/asm/archparam.h b/arch/um/sys-ppc/asm/archparam.h new file mode 100644 index 00000000000..4269d8a37b4 --- /dev/null +++ b/arch/um/sys-ppc/asm/archparam.h @@ -0,0 +1,8 @@ +#ifndef __UM_ARCHPARAM_PPC_H +#define __UM_ARCHPARAM_PPC_H + +/********* Bits for asm-um/string.h **********/ + +#define __HAVE_ARCH_STRRCHR + +#endif diff --git a/arch/um/sys-ppc/asm/elf.h b/arch/um/sys-ppc/asm/elf.h new file mode 100644 index 00000000000..af9463cd8ce --- /dev/null +++ b/arch/um/sys-ppc/asm/elf.h @@ -0,0 +1,53 @@ +#ifndef __UM_ELF_PPC_H +#define __UM_ELF_PPC_H + + +extern long elf_aux_hwcap; +#define ELF_HWCAP (elf_aux_hwcap) + +#define SET_PERSONALITY(ex) do ; while(0) + +#define ELF_EXEC_PAGESIZE 4096 + +#define elf_check_arch(x) (1) + +#ifdef CONFIG_64BIT +#define ELF_CLASS ELFCLASS64 +#else +#define ELF_CLASS ELFCLASS32 +#endif + +#define USE_ELF_CORE_DUMP + +#define R_386_NONE 0 +#define R_386_32 1 +#define R_386_PC32 2 +#define R_386_GOT32 3 +#define R_386_PLT32 4 +#define R_386_COPY 5 +#define R_386_GLOB_DAT 6 +#define R_386_JMP_SLOT 7 +#define R_386_RELATIVE 8 +#define R_386_GOTOFF 9 +#define R_386_GOTPC 10 +#define R_386_NUM 11 + +#define ELF_PLATFORM (0) + +#define ELF_ET_DYN_BASE (0x08000000) + +/* the following stolen from asm-ppc/elf.h */ +#define ELF_NGREG 48 /* includes nip, msr, lr, etc. */ +#define ELF_NFPREG 33 /* includes fpscr */ +/* General registers */ +typedef unsigned long elf_greg_t; +typedef elf_greg_t elf_gregset_t[ELF_NGREG]; + +/* Floating point registers */ +typedef double elf_fpreg_t; +typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG]; + +#define ELF_DATA ELFDATA2MSB +#define ELF_ARCH EM_PPC + +#endif diff --git a/arch/um/sys-ppc/asm/processor.h b/arch/um/sys-ppc/asm/processor.h new file mode 100644 index 00000000000..95932315122 --- /dev/null +++ b/arch/um/sys-ppc/asm/processor.h @@ -0,0 +1,15 @@ +#ifndef __UM_PROCESSOR_PPC_H +#define __UM_PROCESSOR_PPC_H + +#if defined(__ASSEMBLY__) + +#define CONFIG_PPC_MULTIPLATFORM +#include "arch/processor.h" + +#else + +#include "asm/processor-generic.h" + +#endif + +#endif diff --git a/arch/um/sys-ppc/shared/sysdep/ptrace.h b/arch/um/sys-ppc/shared/sysdep/ptrace.h new file mode 100644 index 00000000000..df2397dba3e --- /dev/null +++ b/arch/um/sys-ppc/shared/sysdep/ptrace.h @@ -0,0 +1,103 @@ +/* + * Licensed under the GPL + */ + +#ifndef __SYS_PTRACE_PPC_H +#define __SYS_PTRACE_PPC_H + +#include "linux/types.h" + +/* the following taken from */ + +#ifdef CONFIG_PPC64 +#define PPC_REG unsigned long /*long*/ +#else +#define PPC_REG unsigned long +#endif +struct sys_pt_regs_s { + PPC_REG gpr[32]; + PPC_REG nip; + PPC_REG msr; + PPC_REG orig_gpr3; /* Used for restarting system calls */ + PPC_REG ctr; + PPC_REG link; + PPC_REG xer; + PPC_REG ccr; + PPC_REG mq; /* 601 only (not used at present) */ + /* Used on APUS to hold IPL value. */ + PPC_REG trap; /* Reason for being here */ + PPC_REG dar; /* Fault registers */ + PPC_REG dsisr; + PPC_REG result; /* Result of a system call */ +}; + +#define NUM_REGS (sizeof(struct sys_pt_regs_s) / sizeof(PPC_REG)) + +struct sys_pt_regs { + PPC_REG regs[sizeof(struct sys_pt_regs_s) / sizeof(PPC_REG)]; +}; + +#define UM_MAX_REG (PT_FPR0) +#define UM_MAX_REG_OFFSET (UM_MAX_REG * sizeof(PPC_REG)) + +#define EMPTY_REGS { { [ 0 ... NUM_REGS - 1] = 0 } } + +#define UM_REG(r, n) ((r)->regs[n]) + +#define UM_SYSCALL_RET(r) UM_REG(r, PT_R3) +#define UM_SP(r) UM_REG(r, PT_R1) +#define UM_IP(r) UM_REG(r, PT_NIP) +#define UM_ELF_ZERO(r) UM_REG(r, PT_FPSCR) +#define UM_SYSCALL_NR(r) UM_REG(r, PT_R0) +#define UM_SYSCALL_ARG1(r) UM_REG(r, PT_ORIG_R3) +#define UM_SYSCALL_ARG2(r) UM_REG(r, PT_R4) +#define UM_SYSCALL_ARG3(r) UM_REG(r, PT_R5) +#define UM_SYSCALL_ARG4(r) UM_REG(r, PT_R6) +#define UM_SYSCALL_ARG5(r) UM_REG(r, PT_R7) +#define UM_SYSCALL_ARG6(r) UM_REG(r, PT_R8) + +#define UM_SYSCALL_NR_OFFSET (PT_R0 * sizeof(PPC_REG)) +#define UM_SYSCALL_RET_OFFSET (PT_R3 * sizeof(PPC_REG)) +#define UM_SYSCALL_ARG1_OFFSET (PT_R3 * sizeof(PPC_REG)) +#define UM_SYSCALL_ARG2_OFFSET (PT_R4 * sizeof(PPC_REG)) +#define UM_SYSCALL_ARG3_OFFSET (PT_R5 * sizeof(PPC_REG)) +#define UM_SYSCALL_ARG4_OFFSET (PT_R6 * sizeof(PPC_REG)) +#define UM_SYSCALL_ARG5_OFFSET (PT_R7 * sizeof(PPC_REG)) +#define UM_SYSCALL_ARG6_OFFSET (PT_R8 * sizeof(PPC_REG)) +#define UM_SP_OFFSET (PT_R1 * sizeof(PPC_REG)) +#define UM_IP_OFFSET (PT_NIP * sizeof(PPC_REG)) +#define UM_ELF_ZERO_OFFSET (PT_R3 * sizeof(PPC_REG)) + +#define UM_SET_SYSCALL_RETURN(_regs, result) \ +do { \ + if (result < 0) { \ + (_regs)->regs[PT_CCR] |= 0x10000000; \ + UM_SYSCALL_RET((_regs)) = -result; \ + } else { \ + UM_SYSCALL_RET((_regs)) = result; \ + } \ +} while(0) + +extern void shove_aux_table(unsigned long sp); +#define UM_FIX_EXEC_STACK(sp) shove_aux_table(sp); + +/* These aren't actually defined. The undefs are just to make sure + * everyone's clear on the concept. + */ +#undef UML_HAVE_GETREGS +#undef UML_HAVE_GETFPREGS +#undef UML_HAVE_SETREGS +#undef UML_HAVE_SETFPREGS + +#endif + +/* + * Overrides for Emacs so that we follow Linus's tabbing style. + * Emacs will notice this stuff at the end of the file and automatically + * adjust the settings for this buffer only. This must remain at the end + * of the file. + * --------------------------------------------------------------------------- + * Local variables: + * c-file-style: "linux" + * End: + */ diff --git a/arch/um/sys-ppc/shared/sysdep/sigcontext.h b/arch/um/sys-ppc/shared/sysdep/sigcontext.h new file mode 100644 index 00000000000..f20d965de9c --- /dev/null +++ b/arch/um/sys-ppc/shared/sysdep/sigcontext.h @@ -0,0 +1,62 @@ +/* + * Copyright (C) 2000 Jeff Dike (jdike@karaya.com) + * Licensed under the GPL + */ + +#ifndef __SYS_SIGCONTEXT_PPC_H +#define __SYS_SIGCONTEXT_PPC_H + +#define DSISR_WRITE 0x02000000 + +#define SC_FAULT_ADDR(sc) ({ \ + struct sigcontext *_sc = (sc); \ + long retval = -1; \ + switch (_sc->regs->trap) { \ + case 0x300: \ + /* data exception */ \ + retval = _sc->regs->dar; \ + break; \ + case 0x400: \ + /* instruction exception */ \ + retval = _sc->regs->nip; \ + break; \ + default: \ + panic("SC_FAULT_ADDR: unhandled trap type\n"); \ + } \ + retval; \ + }) + +#define SC_FAULT_WRITE(sc) ({ \ + struct sigcontext *_sc = (sc); \ + long retval = -1; \ + switch (_sc->regs->trap) { \ + case 0x300: \ + /* data exception */ \ + retval = !!(_sc->regs->dsisr & DSISR_WRITE); \ + break; \ + case 0x400: \ + /* instruction exception: not a write */ \ + retval = 0; \ + break; \ + default: \ + panic("SC_FAULT_ADDR: unhandled trap type\n"); \ + } \ + retval; \ + }) + +#define SC_IP(sc) ((sc)->regs->nip) +#define SC_SP(sc) ((sc)->regs->gpr[1]) +#define SEGV_IS_FIXABLE(sc) (1) + +#endif + +/* + * Overrides for Emacs so that we follow Linus's tabbing style. + * Emacs will notice this stuff at the end of the file and automatically + * adjust the settings for this buffer only. This must remain at the end + * of the file. + * --------------------------------------------------------------------------- + * Local variables: + * c-file-style: "linux" + * End: + */ diff --git a/arch/um/sys-ppc/shared/sysdep/skas_ptrace.h b/arch/um/sys-ppc/shared/sysdep/skas_ptrace.h new file mode 100644 index 00000000000..d9fbbac10de --- /dev/null +++ b/arch/um/sys-ppc/shared/sysdep/skas_ptrace.h @@ -0,0 +1,22 @@ +/* + * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com) + * Licensed under the GPL + */ + +#ifndef __SYSDEP_PPC_SKAS_PTRACE_H +#define __SYSDEP_PPC_SKAS_PTRACE_H + +struct ptrace_faultinfo { + int is_write; + unsigned long addr; +}; + +struct ptrace_ldt { + int func; + void *ptr; + unsigned long bytecount; +}; + +#define PTRACE_LDT 54 + +#endif diff --git a/arch/um/sys-ppc/shared/sysdep/syscalls.h b/arch/um/sys-ppc/shared/sysdep/syscalls.h new file mode 100644 index 00000000000..679df351e19 --- /dev/null +++ b/arch/um/sys-ppc/shared/sysdep/syscalls.h @@ -0,0 +1,53 @@ +/* + * Copyright (C) 2000 Jeff Dike (jdike@karaya.com) + * Licensed under the GPL + */ + +typedef long syscall_handler_t(unsigned long arg1, unsigned long arg2, + unsigned long arg3, unsigned long arg4, + unsigned long arg5, unsigned long arg6); + +#define EXECUTE_SYSCALL(syscall, regs) \ + (*sys_call_table[syscall])(UM_SYSCALL_ARG1(®s), \ + UM_SYSCALL_ARG2(®s), \ + UM_SYSCALL_ARG3(®s), \ + UM_SYSCALL_ARG4(®s), \ + UM_SYSCALL_ARG5(®s), \ + UM_SYSCALL_ARG6(®s)) + +extern syscall_handler_t sys_mincore; +extern syscall_handler_t sys_madvise; + +/* old_mmap needs the correct prototype since syscall_kern.c includes + * this file. + */ +int old_mmap(unsigned long addr, unsigned long len, + unsigned long prot, unsigned long flags, + unsigned long fd, unsigned long offset); + +#define ARCH_SYSCALLS \ + [ __NR_modify_ldt ] = sys_ni_syscall, \ + [ __NR_pciconfig_read ] = sys_ni_syscall, \ + [ __NR_pciconfig_write ] = sys_ni_syscall, \ + [ __NR_pciconfig_iobase ] = sys_ni_syscall, \ + [ __NR_pivot_root ] = sys_ni_syscall, \ + [ __NR_multiplexer ] = sys_ni_syscall, \ + [ __NR_mmap ] = old_mmap, \ + [ __NR_madvise ] = sys_madvise, \ + [ __NR_mincore ] = sys_mincore, \ + [ __NR_iopl ] = (syscall_handler_t *) sys_ni_syscall, \ + [ __NR_utimes ] = (syscall_handler_t *) sys_utimes, \ + [ __NR_fadvise64 ] = (syscall_handler_t *) sys_fadvise64, + +#define LAST_ARCH_SYSCALL __NR_fadvise64 + +/* + * Overrides for Emacs so that we follow Linus's tabbing style. + * Emacs will notice this stuff at the end of the file and automatically + * adjust the settings for this buffer only. This must remain at the end + * of the file. + * --------------------------------------------------------------------------- + * Local variables: + * c-file-style: "linux" + * End: + */ diff --git a/arch/um/sys-ppc/sysdep/ptrace.h b/arch/um/sys-ppc/sysdep/ptrace.h deleted file mode 100644 index df2397dba3e..00000000000 --- a/arch/um/sys-ppc/sysdep/ptrace.h +++ /dev/null @@ -1,103 +0,0 @@ -/* - * Licensed under the GPL - */ - -#ifndef __SYS_PTRACE_PPC_H -#define __SYS_PTRACE_PPC_H - -#include "linux/types.h" - -/* the following taken from */ - -#ifdef CONFIG_PPC64 -#define PPC_REG unsigned long /*long*/ -#else -#define PPC_REG unsigned long -#endif -struct sys_pt_regs_s { - PPC_REG gpr[32]; - PPC_REG nip; - PPC_REG msr; - PPC_REG orig_gpr3; /* Used for restarting system calls */ - PPC_REG ctr; - PPC_REG link; - PPC_REG xer; - PPC_REG ccr; - PPC_REG mq; /* 601 only (not used at present) */ - /* Used on APUS to hold IPL value. */ - PPC_REG trap; /* Reason for being here */ - PPC_REG dar; /* Fault registers */ - PPC_REG dsisr; - PPC_REG result; /* Result of a system call */ -}; - -#define NUM_REGS (sizeof(struct sys_pt_regs_s) / sizeof(PPC_REG)) - -struct sys_pt_regs { - PPC_REG regs[sizeof(struct sys_pt_regs_s) / sizeof(PPC_REG)]; -}; - -#define UM_MAX_REG (PT_FPR0) -#define UM_MAX_REG_OFFSET (UM_MAX_REG * sizeof(PPC_REG)) - -#define EMPTY_REGS { { [ 0 ... NUM_REGS - 1] = 0 } } - -#define UM_REG(r, n) ((r)->regs[n]) - -#define UM_SYSCALL_RET(r) UM_REG(r, PT_R3) -#define UM_SP(r) UM_REG(r, PT_R1) -#define UM_IP(r) UM_REG(r, PT_NIP) -#define UM_ELF_ZERO(r) UM_REG(r, PT_FPSCR) -#define UM_SYSCALL_NR(r) UM_REG(r, PT_R0) -#define UM_SYSCALL_ARG1(r) UM_REG(r, PT_ORIG_R3) -#define UM_SYSCALL_ARG2(r) UM_REG(r, PT_R4) -#define UM_SYSCALL_ARG3(r) UM_REG(r, PT_R5) -#define UM_SYSCALL_ARG4(r) UM_REG(r, PT_R6) -#define UM_SYSCALL_ARG5(r) UM_REG(r, PT_R7) -#define UM_SYSCALL_ARG6(r) UM_REG(r, PT_R8) - -#define UM_SYSCALL_NR_OFFSET (PT_R0 * sizeof(PPC_REG)) -#define UM_SYSCALL_RET_OFFSET (PT_R3 * sizeof(PPC_REG)) -#define UM_SYSCALL_ARG1_OFFSET (PT_R3 * sizeof(PPC_REG)) -#define UM_SYSCALL_ARG2_OFFSET (PT_R4 * sizeof(PPC_REG)) -#define UM_SYSCALL_ARG3_OFFSET (PT_R5 * sizeof(PPC_REG)) -#define UM_SYSCALL_ARG4_OFFSET (PT_R6 * sizeof(PPC_REG)) -#define UM_SYSCALL_ARG5_OFFSET (PT_R7 * sizeof(PPC_REG)) -#define UM_SYSCALL_ARG6_OFFSET (PT_R8 * sizeof(PPC_REG)) -#define UM_SP_OFFSET (PT_R1 * sizeof(PPC_REG)) -#define UM_IP_OFFSET (PT_NIP * sizeof(PPC_REG)) -#define UM_ELF_ZERO_OFFSET (PT_R3 * sizeof(PPC_REG)) - -#define UM_SET_SYSCALL_RETURN(_regs, result) \ -do { \ - if (result < 0) { \ - (_regs)->regs[PT_CCR] |= 0x10000000; \ - UM_SYSCALL_RET((_regs)) = -result; \ - } else { \ - UM_SYSCALL_RET((_regs)) = result; \ - } \ -} while(0) - -extern void shove_aux_table(unsigned long sp); -#define UM_FIX_EXEC_STACK(sp) shove_aux_table(sp); - -/* These aren't actually defined. The undefs are just to make sure - * everyone's clear on the concept. - */ -#undef UML_HAVE_GETREGS -#undef UML_HAVE_GETFPREGS -#undef UML_HAVE_SETREGS -#undef UML_HAVE_SETFPREGS - -#endif - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/sys-ppc/sysdep/sigcontext.h b/arch/um/sys-ppc/sysdep/sigcontext.h deleted file mode 100644 index f20d965de9c..00000000000 --- a/arch/um/sys-ppc/sysdep/sigcontext.h +++ /dev/null @@ -1,62 +0,0 @@ -/* - * Copyright (C) 2000 Jeff Dike (jdike@karaya.com) - * Licensed under the GPL - */ - -#ifndef __SYS_SIGCONTEXT_PPC_H -#define __SYS_SIGCONTEXT_PPC_H - -#define DSISR_WRITE 0x02000000 - -#define SC_FAULT_ADDR(sc) ({ \ - struct sigcontext *_sc = (sc); \ - long retval = -1; \ - switch (_sc->regs->trap) { \ - case 0x300: \ - /* data exception */ \ - retval = _sc->regs->dar; \ - break; \ - case 0x400: \ - /* instruction exception */ \ - retval = _sc->regs->nip; \ - break; \ - default: \ - panic("SC_FAULT_ADDR: unhandled trap type\n"); \ - } \ - retval; \ - }) - -#define SC_FAULT_WRITE(sc) ({ \ - struct sigcontext *_sc = (sc); \ - long retval = -1; \ - switch (_sc->regs->trap) { \ - case 0x300: \ - /* data exception */ \ - retval = !!(_sc->regs->dsisr & DSISR_WRITE); \ - break; \ - case 0x400: \ - /* instruction exception: not a write */ \ - retval = 0; \ - break; \ - default: \ - panic("SC_FAULT_ADDR: unhandled trap type\n"); \ - } \ - retval; \ - }) - -#define SC_IP(sc) ((sc)->regs->nip) -#define SC_SP(sc) ((sc)->regs->gpr[1]) -#define SEGV_IS_FIXABLE(sc) (1) - -#endif - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/sys-ppc/sysdep/skas_ptrace.h b/arch/um/sys-ppc/sysdep/skas_ptrace.h deleted file mode 100644 index d9fbbac10de..00000000000 --- a/arch/um/sys-ppc/sysdep/skas_ptrace.h +++ /dev/null @@ -1,22 +0,0 @@ -/* - * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com) - * Licensed under the GPL - */ - -#ifndef __SYSDEP_PPC_SKAS_PTRACE_H -#define __SYSDEP_PPC_SKAS_PTRACE_H - -struct ptrace_faultinfo { - int is_write; - unsigned long addr; -}; - -struct ptrace_ldt { - int func; - void *ptr; - unsigned long bytecount; -}; - -#define PTRACE_LDT 54 - -#endif diff --git a/arch/um/sys-ppc/sysdep/syscalls.h b/arch/um/sys-ppc/sysdep/syscalls.h deleted file mode 100644 index 679df351e19..00000000000 --- a/arch/um/sys-ppc/sysdep/syscalls.h +++ /dev/null @@ -1,53 +0,0 @@ -/* - * Copyright (C) 2000 Jeff Dike (jdike@karaya.com) - * Licensed under the GPL - */ - -typedef long syscall_handler_t(unsigned long arg1, unsigned long arg2, - unsigned long arg3, unsigned long arg4, - unsigned long arg5, unsigned long arg6); - -#define EXECUTE_SYSCALL(syscall, regs) \ - (*sys_call_table[syscall])(UM_SYSCALL_ARG1(®s), \ - UM_SYSCALL_ARG2(®s), \ - UM_SYSCALL_ARG3(®s), \ - UM_SYSCALL_ARG4(®s), \ - UM_SYSCALL_ARG5(®s), \ - UM_SYSCALL_ARG6(®s)) - -extern syscall_handler_t sys_mincore; -extern syscall_handler_t sys_madvise; - -/* old_mmap needs the correct prototype since syscall_kern.c includes - * this file. - */ -int old_mmap(unsigned long addr, unsigned long len, - unsigned long prot, unsigned long flags, - unsigned long fd, unsigned long offset); - -#define ARCH_SYSCALLS \ - [ __NR_modify_ldt ] = sys_ni_syscall, \ - [ __NR_pciconfig_read ] = sys_ni_syscall, \ - [ __NR_pciconfig_write ] = sys_ni_syscall, \ - [ __NR_pciconfig_iobase ] = sys_ni_syscall, \ - [ __NR_pivot_root ] = sys_ni_syscall, \ - [ __NR_multiplexer ] = sys_ni_syscall, \ - [ __NR_mmap ] = old_mmap, \ - [ __NR_madvise ] = sys_madvise, \ - [ __NR_mincore ] = sys_mincore, \ - [ __NR_iopl ] = (syscall_handler_t *) sys_ni_syscall, \ - [ __NR_utimes ] = (syscall_handler_t *) sys_utimes, \ - [ __NR_fadvise64 ] = (syscall_handler_t *) sys_fadvise64, - -#define LAST_ARCH_SYSCALL __NR_fadvise64 - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/sys-x86_64/asm/archparam.h b/arch/um/sys-x86_64/asm/archparam.h new file mode 100644 index 00000000000..270ed9586b6 --- /dev/null +++ b/arch/um/sys-x86_64/asm/archparam.h @@ -0,0 +1,26 @@ +/* + * Copyright 2003 PathScale, Inc. + * + * Licensed under the GPL + */ + +#ifndef __UM_ARCHPARAM_X86_64_H +#define __UM_ARCHPARAM_X86_64_H + + +/* No user-accessible fixmap addresses, i.e. vsyscall */ +#define FIXADDR_USER_START 0 +#define FIXADDR_USER_END 0 + +#endif + +/* + * Overrides for Emacs so that we follow Linus's tabbing style. + * Emacs will notice this stuff at the end of the file and automatically + * adjust the settings for this buffer only. This must remain at the end + * of the file. + * --------------------------------------------------------------------------- + * Local variables: + * c-file-style: "linux" + * End: + */ diff --git a/arch/um/sys-x86_64/asm/elf.h b/arch/um/sys-x86_64/asm/elf.h new file mode 100644 index 00000000000..6e8a9195e95 --- /dev/null +++ b/arch/um/sys-x86_64/asm/elf.h @@ -0,0 +1,119 @@ +/* + * Copyright 2003 PathScale, Inc. + * Copyright (C) 2003 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) + * + * Licensed under the GPL + */ +#ifndef __UM_ELF_X86_64_H +#define __UM_ELF_X86_64_H + +#include +#include "skas.h" + +/* x86-64 relocation types, taken from asm-x86_64/elf.h */ +#define R_X86_64_NONE 0 /* No reloc */ +#define R_X86_64_64 1 /* Direct 64 bit */ +#define R_X86_64_PC32 2 /* PC relative 32 bit signed */ +#define R_X86_64_GOT32 3 /* 32 bit GOT entry */ +#define R_X86_64_PLT32 4 /* 32 bit PLT address */ +#define R_X86_64_COPY 5 /* Copy symbol at runtime */ +#define R_X86_64_GLOB_DAT 6 /* Create GOT entry */ +#define R_X86_64_JUMP_SLOT 7 /* Create PLT entry */ +#define R_X86_64_RELATIVE 8 /* Adjust by program base */ +#define R_X86_64_GOTPCREL 9 /* 32 bit signed pc relative + offset to GOT */ +#define R_X86_64_32 10 /* Direct 32 bit zero extended */ +#define R_X86_64_32S 11 /* Direct 32 bit sign extended */ +#define R_X86_64_16 12 /* Direct 16 bit zero extended */ +#define R_X86_64_PC16 13 /* 16 bit sign extended pc relative */ +#define R_X86_64_8 14 /* Direct 8 bit sign extended */ +#define R_X86_64_PC8 15 /* 8 bit sign extended pc relative */ + +#define R_X86_64_NUM 16 + +typedef unsigned long elf_greg_t; + +#define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof(elf_greg_t)) +typedef elf_greg_t elf_gregset_t[ELF_NGREG]; + +typedef struct user_i387_struct elf_fpregset_t; + +/* + * This is used to ensure we don't load something for the wrong architecture. + */ +#define elf_check_arch(x) \ + ((x)->e_machine == EM_X86_64) + +#define ELF_CLASS ELFCLASS64 +#define ELF_DATA ELFDATA2LSB +#define ELF_ARCH EM_X86_64 + +#define ELF_PLAT_INIT(regs, load_addr) do { \ + PT_REGS_RBX(regs) = 0; \ + PT_REGS_RCX(regs) = 0; \ + PT_REGS_RDX(regs) = 0; \ + PT_REGS_RSI(regs) = 0; \ + PT_REGS_RDI(regs) = 0; \ + PT_REGS_RBP(regs) = 0; \ + PT_REGS_RAX(regs) = 0; \ + PT_REGS_R8(regs) = 0; \ + PT_REGS_R9(regs) = 0; \ + PT_REGS_R10(regs) = 0; \ + PT_REGS_R11(regs) = 0; \ + PT_REGS_R12(regs) = 0; \ + PT_REGS_R13(regs) = 0; \ + PT_REGS_R14(regs) = 0; \ + PT_REGS_R15(regs) = 0; \ +} while (0) + +#define ELF_CORE_COPY_REGS(pr_reg, regs) \ + (pr_reg)[0] = (regs)->regs.gp[0]; \ + (pr_reg)[1] = (regs)->regs.gp[1]; \ + (pr_reg)[2] = (regs)->regs.gp[2]; \ + (pr_reg)[3] = (regs)->regs.gp[3]; \ + (pr_reg)[4] = (regs)->regs.gp[4]; \ + (pr_reg)[5] = (regs)->regs.gp[5]; \ + (pr_reg)[6] = (regs)->regs.gp[6]; \ + (pr_reg)[7] = (regs)->regs.gp[7]; \ + (pr_reg)[8] = (regs)->regs.gp[8]; \ + (pr_reg)[9] = (regs)->regs.gp[9]; \ + (pr_reg)[10] = (regs)->regs.gp[10]; \ + (pr_reg)[11] = (regs)->regs.gp[11]; \ + (pr_reg)[12] = (regs)->regs.gp[12]; \ + (pr_reg)[13] = (regs)->regs.gp[13]; \ + (pr_reg)[14] = (regs)->regs.gp[14]; \ + (pr_reg)[15] = (regs)->regs.gp[15]; \ + (pr_reg)[16] = (regs)->regs.gp[16]; \ + (pr_reg)[17] = (regs)->regs.gp[17]; \ + (pr_reg)[18] = (regs)->regs.gp[18]; \ + (pr_reg)[19] = (regs)->regs.gp[19]; \ + (pr_reg)[20] = (regs)->regs.gp[20]; \ + (pr_reg)[21] = current->thread.arch.fs; \ + (pr_reg)[22] = 0; \ + (pr_reg)[23] = 0; \ + (pr_reg)[24] = 0; \ + (pr_reg)[25] = 0; \ + (pr_reg)[26] = 0; + +extern int elf_core_copy_fpregs(struct task_struct *t, elf_fpregset_t *fpu); + +#define ELF_CORE_COPY_FPREGS(t, fpu) elf_core_copy_fpregs(t, fpu) + +#ifdef TIF_IA32 /* XXX */ +#error XXX, indeed + clear_thread_flag(TIF_IA32); +#endif + +#define USE_ELF_CORE_DUMP +#define ELF_EXEC_PAGESIZE 4096 + +#define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3) + +extern long elf_aux_hwcap; +#define ELF_HWCAP (elf_aux_hwcap) + +#define ELF_PLATFORM "x86_64" + +#define SET_PERSONALITY(ex) do ; while(0) + +#endif diff --git a/arch/um/sys-x86_64/asm/module.h b/arch/um/sys-x86_64/asm/module.h new file mode 100644 index 00000000000..35b5491d3e9 --- /dev/null +++ b/arch/um/sys-x86_64/asm/module.h @@ -0,0 +1,30 @@ +/* + * Copyright 2003 PathScale, Inc. + * + * Licensed under the GPL + */ + +#ifndef __UM_MODULE_X86_64_H +#define __UM_MODULE_X86_64_H + +/* UML is simple */ +struct mod_arch_specific +{ +}; + +#define Elf_Shdr Elf64_Shdr +#define Elf_Sym Elf64_Sym +#define Elf_Ehdr Elf64_Ehdr + +#endif + +/* + * Overrides for Emacs so that we follow Linus's tabbing style. + * Emacs will notice this stuff at the end of the file and automatically + * adjust the settings for this buffer only. This must remain at the end + * of the file. + * --------------------------------------------------------------------------- + * Local variables: + * c-file-style: "linux" + * End: + */ diff --git a/arch/um/sys-x86_64/asm/processor.h b/arch/um/sys-x86_64/asm/processor.h new file mode 100644 index 00000000000..875a26a6261 --- /dev/null +++ b/arch/um/sys-x86_64/asm/processor.h @@ -0,0 +1,56 @@ +/* + * Copyright 2003 PathScale, Inc. + * + * Licensed under the GPL + */ + +#ifndef __UM_PROCESSOR_X86_64_H +#define __UM_PROCESSOR_X86_64_H + +/* include faultinfo structure */ +#include "sysdep/faultinfo.h" + +struct arch_thread { + unsigned long debugregs[8]; + int debugregs_seq; + unsigned long fs; + struct faultinfo faultinfo; +}; + +/* REP NOP (PAUSE) is a good thing to insert into busy-wait loops. */ +static inline void rep_nop(void) +{ + __asm__ __volatile__("rep;nop": : :"memory"); +} + +#define cpu_relax() rep_nop() + +#define INIT_ARCH_THREAD { .debugregs = { [ 0 ... 7 ] = 0 }, \ + .debugregs_seq = 0, \ + .fs = 0, \ + .faultinfo = { 0, 0, 0 } } + +static inline void arch_flush_thread(struct arch_thread *thread) +{ +} + +static inline void arch_copy_thread(struct arch_thread *from, + struct arch_thread *to) +{ + to->fs = from->fs; +} + +#include + +#define current_text_addr() \ + ({ void *pc; __asm__("movq $1f,%0\n1:":"=g" (pc)); pc; }) + +#define ARCH_IS_STACKGROW(address) \ + (address + 128 >= UPT_SP(¤t->thread.regs.regs)) + +#define KSTK_EIP(tsk) KSTK_REG(tsk, RIP) +#define KSTK_ESP(tsk) KSTK_REG(tsk, RSP) + +#include "asm/processor-generic.h" + +#endif diff --git a/arch/um/sys-x86_64/asm/ptrace.h b/arch/um/sys-x86_64/asm/ptrace.h new file mode 100644 index 00000000000..83d8c473b90 --- /dev/null +++ b/arch/um/sys-x86_64/asm/ptrace.h @@ -0,0 +1,72 @@ +/* + * Copyright 2003 PathScale, Inc. + * + * Licensed under the GPL + */ + +#ifndef __UM_PTRACE_X86_64_H +#define __UM_PTRACE_X86_64_H + +#include "linux/compiler.h" +#include "asm/errno.h" + +#define __FRAME_OFFSETS /* Needed to get the R* macros */ +#include "asm/ptrace-generic.h" + +#define HOST_AUDIT_ARCH AUDIT_ARCH_X86_64 + +#define PT_REGS_RBX(r) UPT_RBX(&(r)->regs) +#define PT_REGS_RCX(r) UPT_RCX(&(r)->regs) +#define PT_REGS_RDX(r) UPT_RDX(&(r)->regs) +#define PT_REGS_RSI(r) UPT_RSI(&(r)->regs) +#define PT_REGS_RDI(r) UPT_RDI(&(r)->regs) +#define PT_REGS_RBP(r) UPT_RBP(&(r)->regs) +#define PT_REGS_RAX(r) UPT_RAX(&(r)->regs) +#define PT_REGS_R8(r) UPT_R8(&(r)->regs) +#define PT_REGS_R9(r) UPT_R9(&(r)->regs) +#define PT_REGS_R10(r) UPT_R10(&(r)->regs) +#define PT_REGS_R11(r) UPT_R11(&(r)->regs) +#define PT_REGS_R12(r) UPT_R12(&(r)->regs) +#define PT_REGS_R13(r) UPT_R13(&(r)->regs) +#define PT_REGS_R14(r) UPT_R14(&(r)->regs) +#define PT_REGS_R15(r) UPT_R15(&(r)->regs) + +#define PT_REGS_FS(r) UPT_FS(&(r)->regs) +#define PT_REGS_GS(r) UPT_GS(&(r)->regs) +#define PT_REGS_DS(r) UPT_DS(&(r)->regs) +#define PT_REGS_ES(r) UPT_ES(&(r)->regs) +#define PT_REGS_SS(r) UPT_SS(&(r)->regs) +#define PT_REGS_CS(r) UPT_CS(&(r)->regs) + +#define PT_REGS_ORIG_RAX(r) UPT_ORIG_RAX(&(r)->regs) +#define PT_REGS_RIP(r) UPT_IP(&(r)->regs) +#define PT_REGS_RSP(r) UPT_SP(&(r)->regs) + +#define PT_REGS_EFLAGS(r) UPT_EFLAGS(&(r)->regs) + +/* XXX */ +#define user_mode(r) UPT_IS_USER(&(r)->regs) +#define PT_REGS_ORIG_SYSCALL(r) PT_REGS_RAX(r) +#define PT_REGS_SYSCALL_RET(r) PT_REGS_RAX(r) + +#define PT_FIX_EXEC_STACK(sp) do ; while(0) + +#define profile_pc(regs) PT_REGS_IP(regs) + +struct user_desc; + +static inline int ptrace_get_thread_area(struct task_struct *child, int idx, + struct user_desc __user *user_desc) +{ + return -ENOSYS; +} + +static inline int ptrace_set_thread_area(struct task_struct *child, int idx, + struct user_desc __user *user_desc) +{ + return -ENOSYS; +} + +extern long arch_prctl(struct task_struct *task, int code, + unsigned long __user *addr); +#endif diff --git a/arch/um/sys-x86_64/shared/sysdep/archsetjmp.h b/arch/um/sys-x86_64/shared/sysdep/archsetjmp.h new file mode 100644 index 00000000000..2af8f12ca16 --- /dev/null +++ b/arch/um/sys-x86_64/shared/sysdep/archsetjmp.h @@ -0,0 +1,24 @@ +/* + * arch/um/include/sysdep-x86_64/archsetjmp.h + */ + +#ifndef _KLIBC_ARCHSETJMP_H +#define _KLIBC_ARCHSETJMP_H + +struct __jmp_buf { + unsigned long __rbx; + unsigned long __rsp; + unsigned long __rbp; + unsigned long __r12; + unsigned long __r13; + unsigned long __r14; + unsigned long __r15; + unsigned long __rip; +}; + +typedef struct __jmp_buf jmp_buf[1]; + +#define JB_IP __rip +#define JB_SP __rsp + +#endif /* _SETJMP_H */ diff --git a/arch/um/sys-x86_64/shared/sysdep/barrier.h b/arch/um/sys-x86_64/shared/sysdep/barrier.h new file mode 100644 index 00000000000..7b610befdc8 --- /dev/null +++ b/arch/um/sys-x86_64/shared/sysdep/barrier.h @@ -0,0 +1,7 @@ +#ifndef __SYSDEP_X86_64_BARRIER_H +#define __SYSDEP_X86_64_BARRIER_H + +/* Copied from include/asm-x86_64 for use by userspace. */ +#define mb() asm volatile("mfence":::"memory") + +#endif diff --git a/arch/um/sys-x86_64/shared/sysdep/checksum.h b/arch/um/sys-x86_64/shared/sysdep/checksum.h new file mode 100644 index 00000000000..a5be9031ea8 --- /dev/null +++ b/arch/um/sys-x86_64/shared/sysdep/checksum.h @@ -0,0 +1,144 @@ +/* + * Licensed under the GPL + */ + +#ifndef __UM_SYSDEP_CHECKSUM_H +#define __UM_SYSDEP_CHECKSUM_H + +#include "linux/string.h" +#include "linux/in6.h" +#include "asm/uaccess.h" + +extern __wsum csum_partial(const void *buff, int len, __wsum sum); + +/* + * Note: when you get a NULL pointer exception here this means someone + * passed in an incorrect kernel address to one of these functions. + * + * If you use these functions directly please don't forget the + * access_ok(). + */ + +static __inline__ +__wsum csum_partial_copy_nocheck(const void *src, void *dst, + int len, __wsum sum) +{ + memcpy(dst, src, len); + return(csum_partial(dst, len, sum)); +} + +static __inline__ +__wsum csum_partial_copy_from_user(const void __user *src, + void *dst, int len, __wsum sum, + int *err_ptr) +{ + if (copy_from_user(dst, src, len)) { + *err_ptr = -EFAULT; + return (__force __wsum)-1; + } + return csum_partial(dst, len, sum); +} + +/** + * csum_fold - Fold and invert a 32bit checksum. + * sum: 32bit unfolded sum + * + * Fold a 32bit running checksum to 16bit and invert it. This is usually + * the last step before putting a checksum into a packet. + * Make sure not to mix with 64bit checksums. + */ +static inline __sum16 csum_fold(__wsum sum) +{ + __asm__( + " addl %1,%0\n" + " adcl $0xffff,%0" + : "=r" (sum) + : "r" ((__force u32)sum << 16), + "0" ((__force u32)sum & 0xffff0000) + ); + return (__force __sum16)(~(__force u32)sum >> 16); +} + +/** + * csum_tcpup_nofold - Compute an IPv4 pseudo header checksum. + * @saddr: source address + * @daddr: destination address + * @len: length of packet + * @proto: ip protocol of packet + * @sum: initial sum to be added in (32bit unfolded) + * + * Returns the pseudo header checksum the input data. Result is + * 32bit unfolded. + */ +static inline __wsum +csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len, + unsigned short proto, __wsum sum) +{ + asm(" addl %1, %0\n" + " adcl %2, %0\n" + " adcl %3, %0\n" + " adcl $0, %0\n" + : "=r" (sum) + : "g" (daddr), "g" (saddr), "g" ((len + proto) << 8), "0" (sum)); + return sum; +} + +/* + * computes the checksum of the TCP/UDP pseudo-header + * returns a 16-bit checksum, already complemented + */ +static inline __sum16 csum_tcpudp_magic(__be32 saddr, __be32 daddr, + unsigned short len, + unsigned short proto, + __wsum sum) +{ + return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum)); +} + +/** + * ip_fast_csum - Compute the IPv4 header checksum efficiently. + * iph: ipv4 header + * ihl: length of header / 4 + */ +static inline __sum16 ip_fast_csum(const void *iph, unsigned int ihl) +{ + unsigned int sum; + + asm( " movl (%1), %0\n" + " subl $4, %2\n" + " jbe 2f\n" + " addl 4(%1), %0\n" + " adcl 8(%1), %0\n" + " adcl 12(%1), %0\n" + "1: adcl 16(%1), %0\n" + " lea 4(%1), %1\n" + " decl %2\n" + " jne 1b\n" + " adcl $0, %0\n" + " movl %0, %2\n" + " shrl $16, %0\n" + " addw %w2, %w0\n" + " adcl $0, %0\n" + " notl %0\n" + "2:" + /* Since the input registers which are loaded with iph and ipl + are modified, we must also specify them as outputs, or gcc + will assume they contain their original values. */ + : "=r" (sum), "=r" (iph), "=r" (ihl) + : "1" (iph), "2" (ihl) + : "memory"); + return (__force __sum16)sum; +} + +static inline unsigned add32_with_carry(unsigned a, unsigned b) +{ + asm("addl %2,%0\n\t" + "adcl $0,%0" + : "=r" (a) + : "0" (a), "r" (b)); + return a; +} + +extern __sum16 ip_compute_csum(const void *buff, int len); + +#endif diff --git a/arch/um/sys-x86_64/shared/sysdep/faultinfo.h b/arch/um/sys-x86_64/shared/sysdep/faultinfo.h new file mode 100644 index 00000000000..cb917b0d566 --- /dev/null +++ b/arch/um/sys-x86_64/shared/sysdep/faultinfo.h @@ -0,0 +1,29 @@ +/* + * Copyright (C) 2004 Fujitsu Siemens Computers GmbH + * Author: Bodo Stroesser + * Licensed under the GPL + */ + +#ifndef __FAULTINFO_X86_64_H +#define __FAULTINFO_X86_64_H + +/* this structure contains the full arch-specific faultinfo + * from the traps. + * On i386, ptrace_faultinfo unfortunately doesn't provide + * all the info, since trap_no is missing. + * All common elements are defined at the same position in + * both structures, thus making it easy to copy the + * contents without knowledge about the structure elements. + */ +struct faultinfo { + int error_code; /* in ptrace_faultinfo misleadingly called is_write */ + unsigned long cr2; /* in ptrace_faultinfo called addr */ + int trap_no; /* missing in ptrace_faultinfo */ +}; + +#define FAULT_WRITE(fi) ((fi).error_code & 2) +#define FAULT_ADDRESS(fi) ((fi).cr2) + +#define PTRACE_FULL_FAULTINFO 1 + +#endif diff --git a/arch/um/sys-x86_64/shared/sysdep/host_ldt.h b/arch/um/sys-x86_64/shared/sysdep/host_ldt.h new file mode 100644 index 00000000000..e8b1be1e154 --- /dev/null +++ b/arch/um/sys-x86_64/shared/sysdep/host_ldt.h @@ -0,0 +1,38 @@ +#ifndef __ASM_HOST_LDT_X86_64_H +#define __ASM_HOST_LDT_X86_64_H + +#include + +/* + * macros stolen from include/asm-x86_64/desc.h + */ +#define LDT_entry_a(info) \ + ((((info)->base_addr & 0x0000ffff) << 16) | ((info)->limit & 0x0ffff)) + +/* Don't allow setting of the lm bit. It is useless anyways because + * 64bit system calls require __USER_CS. */ +#define LDT_entry_b(info) \ + (((info)->base_addr & 0xff000000) | \ + (((info)->base_addr & 0x00ff0000) >> 16) | \ + ((info)->limit & 0xf0000) | \ + (((info)->read_exec_only ^ 1) << 9) | \ + ((info)->contents << 10) | \ + (((info)->seg_not_present ^ 1) << 15) | \ + ((info)->seg_32bit << 22) | \ + ((info)->limit_in_pages << 23) | \ + ((info)->useable << 20) | \ + /* ((info)->lm << 21) | */ \ + 0x7000) + +#define LDT_empty(info) (\ + (info)->base_addr == 0 && \ + (info)->limit == 0 && \ + (info)->contents == 0 && \ + (info)->read_exec_only == 1 && \ + (info)->seg_32bit == 0 && \ + (info)->limit_in_pages == 0 && \ + (info)->seg_not_present == 1 && \ + (info)->useable == 0 && \ + (info)->lm == 0) + +#endif diff --git a/arch/um/sys-x86_64/shared/sysdep/kernel-offsets.h b/arch/um/sys-x86_64/shared/sysdep/kernel-offsets.h new file mode 100644 index 00000000000..a307237b796 --- /dev/null +++ b/arch/um/sys-x86_64/shared/sysdep/kernel-offsets.h @@ -0,0 +1,23 @@ +#include +#include +#include +#include +#include +#include +#include + +#define DEFINE(sym, val) \ + asm volatile("\n->" #sym " %0 " #val : : "i" (val)) + +#define DEFINE_STR1(x) #x +#define DEFINE_STR(sym, val) asm volatile("\n->" #sym " " DEFINE_STR1(val) " " #val: : ) + +#define BLANK() asm volatile("\n->" : : ) + +#define OFFSET(sym, str, mem) \ + DEFINE(sym, offsetof(struct str, mem)); + +void foo(void) +{ +#include +} diff --git a/arch/um/sys-x86_64/shared/sysdep/ptrace.h b/arch/um/sys-x86_64/shared/sysdep/ptrace.h new file mode 100644 index 00000000000..9ea44d111f3 --- /dev/null +++ b/arch/um/sys-x86_64/shared/sysdep/ptrace.h @@ -0,0 +1,240 @@ +/* + * Copyright 2003 PathScale, Inc. + * Copyright (C) 2003 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) + * + * Licensed under the GPL + */ + +#ifndef __SYSDEP_X86_64_PTRACE_H +#define __SYSDEP_X86_64_PTRACE_H + +#include "uml-config.h" +#include "user_constants.h" +#include "sysdep/faultinfo.h" + +#define MAX_REG_OFFSET (UM_FRAME_SIZE) +#define MAX_REG_NR ((MAX_REG_OFFSET) / sizeof(unsigned long)) + +#include "skas_ptregs.h" + +#define REGS_IP(r) ((r)[HOST_IP]) +#define REGS_SP(r) ((r)[HOST_SP]) + +#define REGS_RBX(r) ((r)[HOST_RBX]) +#define REGS_RCX(r) ((r)[HOST_RCX]) +#define REGS_RDX(r) ((r)[HOST_RDX]) +#define REGS_RSI(r) ((r)[HOST_RSI]) +#define REGS_RDI(r) ((r)[HOST_RDI]) +#define REGS_RBP(r) ((r)[HOST_RBP]) +#define REGS_RAX(r) ((r)[HOST_RAX]) +#define REGS_R8(r) ((r)[HOST_R8]) +#define REGS_R9(r) ((r)[HOST_R9]) +#define REGS_R10(r) ((r)[HOST_R10]) +#define REGS_R11(r) ((r)[HOST_R11]) +#define REGS_R12(r) ((r)[HOST_R12]) +#define REGS_R13(r) ((r)[HOST_R13]) +#define REGS_R14(r) ((r)[HOST_R14]) +#define REGS_R15(r) ((r)[HOST_R15]) +#define REGS_CS(r) ((r)[HOST_CS]) +#define REGS_EFLAGS(r) ((r)[HOST_EFLAGS]) +#define REGS_SS(r) ((r)[HOST_SS]) + +#define HOST_FS_BASE 21 +#define HOST_GS_BASE 22 +#define HOST_DS 23 +#define HOST_ES 24 +#define HOST_FS 25 +#define HOST_GS 26 + +/* Also defined in asm/ptrace-x86_64.h, but not in libc headers. So, these + * are already defined for kernel code, but not for userspace code. + */ +#ifndef FS_BASE +/* These aren't defined in ptrace.h, but exist in struct user_regs_struct, + * which is what x86_64 ptrace actually uses. + */ +#define FS_BASE (HOST_FS_BASE * sizeof(long)) +#define GS_BASE (HOST_GS_BASE * sizeof(long)) +#define DS (HOST_DS * sizeof(long)) +#define ES (HOST_ES * sizeof(long)) +#define FS (HOST_FS * sizeof(long)) +#define GS (HOST_GS * sizeof(long)) +#endif + +#define REGS_FS_BASE(r) ((r)[HOST_FS_BASE]) +#define REGS_GS_BASE(r) ((r)[HOST_GS_BASE]) +#define REGS_DS(r) ((r)[HOST_DS]) +#define REGS_ES(r) ((r)[HOST_ES]) +#define REGS_FS(r) ((r)[HOST_FS]) +#define REGS_GS(r) ((r)[HOST_GS]) + +#define REGS_ORIG_RAX(r) ((r)[HOST_ORIG_RAX]) + +#define REGS_SET_SYSCALL_RETURN(r, res) REGS_RAX(r) = (res) + +#define REGS_RESTART_SYSCALL(r) IP_RESTART_SYSCALL(REGS_IP(r)) + +#define REGS_SEGV_IS_FIXABLE(r) SEGV_IS_FIXABLE((r)->trap_type) + +#define REGS_FAULT_ADDR(r) ((r)->fault_addr) + +#define REGS_FAULT_WRITE(r) FAULT_WRITE((r)->fault_type) + +#define REGS_TRAP(r) ((r)->trap_type) + +#define REGS_ERR(r) ((r)->fault_type) + +struct uml_pt_regs { + unsigned long gp[MAX_REG_NR]; + struct faultinfo faultinfo; + long syscall; + int is_user; +}; + +#define EMPTY_UML_PT_REGS { } + +#define UPT_RBX(r) REGS_RBX((r)->gp) +#define UPT_RCX(r) REGS_RCX((r)->gp) +#define UPT_RDX(r) REGS_RDX((r)->gp) +#define UPT_RSI(r) REGS_RSI((r)->gp) +#define UPT_RDI(r) REGS_RDI((r)->gp) +#define UPT_RBP(r) REGS_RBP((r)->gp) +#define UPT_RAX(r) REGS_RAX((r)->gp) +#define UPT_R8(r) REGS_R8((r)->gp) +#define UPT_R9(r) REGS_R9((r)->gp) +#define UPT_R10(r) REGS_R10((r)->gp) +#define UPT_R11(r) REGS_R11((r)->gp) +#define UPT_R12(r) REGS_R12((r)->gp) +#define UPT_R13(r) REGS_R13((r)->gp) +#define UPT_R14(r) REGS_R14((r)->gp) +#define UPT_R15(r) REGS_R15((r)->gp) +#define UPT_CS(r) REGS_CS((r)->gp) +#define UPT_FS_BASE(r) REGS_FS_BASE((r)->gp) +#define UPT_FS(r) REGS_FS((r)->gp) +#define UPT_GS_BASE(r) REGS_GS_BASE((r)->gp) +#define UPT_GS(r) REGS_GS((r)->gp) +#define UPT_DS(r) REGS_DS((r)->gp) +#define UPT_ES(r) REGS_ES((r)->gp) +#define UPT_CS(r) REGS_CS((r)->gp) +#define UPT_SS(r) REGS_SS((r)->gp) +#define UPT_ORIG_RAX(r) REGS_ORIG_RAX((r)->gp) + +#define UPT_IP(r) REGS_IP((r)->gp) +#define UPT_SP(r) REGS_SP((r)->gp) + +#define UPT_EFLAGS(r) REGS_EFLAGS((r)->gp) +#define UPT_SYSCALL_NR(r) ((r)->syscall) +#define UPT_SYSCALL_RET(r) UPT_RAX(r) + +extern int user_context(unsigned long sp); + +#define UPT_IS_USER(r) ((r)->is_user) + +#define UPT_SYSCALL_ARG1(r) UPT_RDI(r) +#define UPT_SYSCALL_ARG2(r) UPT_RSI(r) +#define UPT_SYSCALL_ARG3(r) UPT_RDX(r) +#define UPT_SYSCALL_ARG4(r) UPT_R10(r) +#define UPT_SYSCALL_ARG5(r) UPT_R8(r) +#define UPT_SYSCALL_ARG6(r) UPT_R9(r) + +struct syscall_args { + unsigned long args[6]; +}; + +#define SYSCALL_ARGS(r) ((struct syscall_args) \ + { .args = { UPT_SYSCALL_ARG1(r), \ + UPT_SYSCALL_ARG2(r), \ + UPT_SYSCALL_ARG3(r), \ + UPT_SYSCALL_ARG4(r), \ + UPT_SYSCALL_ARG5(r), \ + UPT_SYSCALL_ARG6(r) } } ) + +#define UPT_REG(regs, reg) \ + ({ unsigned long val; \ + switch(reg){ \ + case R8: val = UPT_R8(regs); break; \ + case R9: val = UPT_R9(regs); break; \ + case R10: val = UPT_R10(regs); break; \ + case R11: val = UPT_R11(regs); break; \ + case R12: val = UPT_R12(regs); break; \ + case R13: val = UPT_R13(regs); break; \ + case R14: val = UPT_R14(regs); break; \ + case R15: val = UPT_R15(regs); break; \ + case RIP: val = UPT_IP(regs); break; \ + case RSP: val = UPT_SP(regs); break; \ + case RAX: val = UPT_RAX(regs); break; \ + case RBX: val = UPT_RBX(regs); break; \ + case RCX: val = UPT_RCX(regs); break; \ + case RDX: val = UPT_RDX(regs); break; \ + case RSI: val = UPT_RSI(regs); break; \ + case RDI: val = UPT_RDI(regs); break; \ + case RBP: val = UPT_RBP(regs); break; \ + case ORIG_RAX: val = UPT_ORIG_RAX(regs); break; \ + case CS: val = UPT_CS(regs); break; \ + case SS: val = UPT_SS(regs); break; \ + case FS_BASE: val = UPT_FS_BASE(regs); break; \ + case GS_BASE: val = UPT_GS_BASE(regs); break; \ + case DS: val = UPT_DS(regs); break; \ + case ES: val = UPT_ES(regs); break; \ + case FS : val = UPT_FS (regs); break; \ + case GS: val = UPT_GS(regs); break; \ + case EFLAGS: val = UPT_EFLAGS(regs); break; \ + default : \ + panic("Bad register in UPT_REG : %d\n", reg); \ + val = -1; \ + } \ + val; \ + }) + + +#define UPT_SET(regs, reg, val) \ + ({ unsigned long __upt_val = val; \ + switch(reg){ \ + case R8: UPT_R8(regs) = __upt_val; break; \ + case R9: UPT_R9(regs) = __upt_val; break; \ + case R10: UPT_R10(regs) = __upt_val; break; \ + case R11: UPT_R11(regs) = __upt_val; break; \ + case R12: UPT_R12(regs) = __upt_val; break; \ + case R13: UPT_R13(regs) = __upt_val; break; \ + case R14: UPT_R14(regs) = __upt_val; break; \ + case R15: UPT_R15(regs) = __upt_val; break; \ + case RIP: UPT_IP(regs) = __upt_val; break; \ + case RSP: UPT_SP(regs) = __upt_val; break; \ + case RAX: UPT_RAX(regs) = __upt_val; break; \ + case RBX: UPT_RBX(regs) = __upt_val; break; \ + case RCX: UPT_RCX(regs) = __upt_val; break; \ + case RDX: UPT_RDX(regs) = __upt_val; break; \ + case RSI: UPT_RSI(regs) = __upt_val; break; \ + case RDI: UPT_RDI(regs) = __upt_val; break; \ + case RBP: UPT_RBP(regs) = __upt_val; break; \ + case ORIG_RAX: UPT_ORIG_RAX(regs) = __upt_val; break; \ + case CS: UPT_CS(regs) = __upt_val; break; \ + case SS: UPT_SS(regs) = __upt_val; break; \ + case FS_BASE: UPT_FS_BASE(regs) = __upt_val; break; \ + case GS_BASE: UPT_GS_BASE(regs) = __upt_val; break; \ + case DS: UPT_DS(regs) = __upt_val; break; \ + case ES: UPT_ES(regs) = __upt_val; break; \ + case FS: UPT_FS(regs) = __upt_val; break; \ + case GS: UPT_GS(regs) = __upt_val; break; \ + case EFLAGS: UPT_EFLAGS(regs) = __upt_val; break; \ + default : \ + panic("Bad register in UPT_SET : %d\n", reg); \ + break; \ + } \ + __upt_val; \ + }) + +#define UPT_SET_SYSCALL_RETURN(r, res) \ + REGS_SET_SYSCALL_RETURN((r)->regs, (res)) + +#define UPT_RESTART_SYSCALL(r) REGS_RESTART_SYSCALL((r)->gp) + +#define UPT_SEGV_IS_FIXABLE(r) REGS_SEGV_IS_FIXABLE(&r->skas) + +#define UPT_FAULTINFO(r) (&(r)->faultinfo) + +static inline void arch_init_registers(int pid) +{ +} + +#endif diff --git a/arch/um/sys-x86_64/shared/sysdep/ptrace_user.h b/arch/um/sys-x86_64/shared/sysdep/ptrace_user.h new file mode 100644 index 00000000000..4dbccdb58f4 --- /dev/null +++ b/arch/um/sys-x86_64/shared/sysdep/ptrace_user.h @@ -0,0 +1,77 @@ +/* + * Copyright 2003 PathScale, Inc. + * + * Licensed under the GPL + */ + +#ifndef __SYSDEP_X86_64_PTRACE_USER_H__ +#define __SYSDEP_X86_64_PTRACE_USER_H__ + +#define __FRAME_OFFSETS +#include +#include +#include +#undef __FRAME_OFFSETS +#include "user_constants.h" + +#define PT_INDEX(off) ((off) / sizeof(unsigned long)) + +#define PT_SYSCALL_NR(regs) ((regs)[PT_INDEX(ORIG_RAX)]) +#define PT_SYSCALL_NR_OFFSET (ORIG_RAX) + +#define PT_SYSCALL_ARG1(regs) (((unsigned long *) (regs))[PT_INDEX(RDI)]) +#define PT_SYSCALL_ARG1_OFFSET (RDI) + +#define PT_SYSCALL_ARG2(regs) (((unsigned long *) (regs))[PT_INDEX(RSI)]) +#define PT_SYSCALL_ARG2_OFFSET (RSI) + +#define PT_SYSCALL_ARG3(regs) (((unsigned long *) (regs))[PT_INDEX(RDX)]) +#define PT_SYSCALL_ARG3_OFFSET (RDX) + +#define PT_SYSCALL_ARG4(regs) (((unsigned long *) (regs))[PT_INDEX(RCX)]) +#define PT_SYSCALL_ARG4_OFFSET (RCX) + +#define PT_SYSCALL_ARG5(regs) (((unsigned long *) (regs))[PT_INDEX(R8)]) +#define PT_SYSCALL_ARG5_OFFSET (R8) + +#define PT_SYSCALL_ARG6(regs) (((unsigned long *) (regs))[PT_INDEX(R9)]) +#define PT_SYSCALL_ARG6_OFFSET (R9) + +#define PT_SYSCALL_RET_OFFSET (RAX) + +#define PT_IP_OFFSET (RIP) +#define PT_IP(regs) ((regs)[PT_INDEX(RIP)]) + +#define PT_SP_OFFSET (RSP) +#define PT_SP(regs) ((regs)[PT_INDEX(RSP)]) + +#define PT_ORIG_RAX_OFFSET (ORIG_RAX) +#define PT_ORIG_RAX(regs) ((regs)[PT_INDEX(ORIG_RAX)]) + +/* + * x86_64 FC3 doesn't define this in /usr/include/linux/ptrace.h even though + * it's defined in the kernel's include/linux/ptrace.h. Additionally, use the + * 2.4 name and value for 2.4 host compatibility. + */ +#ifndef PTRACE_OLDSETOPTIONS +#define PTRACE_OLDSETOPTIONS 21 +#endif + +/* + * These are before the system call, so the system call number is RAX + * rather than ORIG_RAX, and arg4 is R10 rather than RCX + */ +#define REGS_SYSCALL_NR PT_INDEX(RAX) +#define REGS_SYSCALL_ARG1 PT_INDEX(RDI) +#define REGS_SYSCALL_ARG2 PT_INDEX(RSI) +#define REGS_SYSCALL_ARG3 PT_INDEX(RDX) +#define REGS_SYSCALL_ARG4 PT_INDEX(R10) +#define REGS_SYSCALL_ARG5 PT_INDEX(R8) +#define REGS_SYSCALL_ARG6 PT_INDEX(R9) + +#define REGS_IP_INDEX PT_INDEX(RIP) +#define REGS_SP_INDEX PT_INDEX(RSP) + +#define FP_SIZE (HOST_FP_SIZE) + +#endif diff --git a/arch/um/sys-x86_64/shared/sysdep/sc.h b/arch/um/sys-x86_64/shared/sysdep/sc.h new file mode 100644 index 00000000000..8aee45b0743 --- /dev/null +++ b/arch/um/sys-x86_64/shared/sysdep/sc.h @@ -0,0 +1,45 @@ +#ifndef __SYSDEP_X86_64_SC_H +#define __SYSDEP_X86_64_SC_H + +/* Copyright (C) 2003 - 2004 PathScale, Inc + * Released under the GPL + */ + +#include + +#define SC_OFFSET(sc, field) \ + *((unsigned long *) &(((char *) (sc))[HOST_##field])) + +#define SC_RBX(sc) SC_OFFSET(sc, SC_RBX) +#define SC_RCX(sc) SC_OFFSET(sc, SC_RCX) +#define SC_RDX(sc) SC_OFFSET(sc, SC_RDX) +#define SC_RSI(sc) SC_OFFSET(sc, SC_RSI) +#define SC_RDI(sc) SC_OFFSET(sc, SC_RDI) +#define SC_RBP(sc) SC_OFFSET(sc, SC_RBP) +#define SC_RAX(sc) SC_OFFSET(sc, SC_RAX) +#define SC_R8(sc) SC_OFFSET(sc, SC_R8) +#define SC_R9(sc) SC_OFFSET(sc, SC_R9) +#define SC_R10(sc) SC_OFFSET(sc, SC_R10) +#define SC_R11(sc) SC_OFFSET(sc, SC_R11) +#define SC_R12(sc) SC_OFFSET(sc, SC_R12) +#define SC_R13(sc) SC_OFFSET(sc, SC_R13) +#define SC_R14(sc) SC_OFFSET(sc, SC_R14) +#define SC_R15(sc) SC_OFFSET(sc, SC_R15) +#define SC_IP(sc) SC_OFFSET(sc, SC_IP) +#define SC_SP(sc) SC_OFFSET(sc, SC_SP) +#define SC_CR2(sc) SC_OFFSET(sc, SC_CR2) +#define SC_ERR(sc) SC_OFFSET(sc, SC_ERR) +#define SC_TRAPNO(sc) SC_OFFSET(sc, SC_TRAPNO) +#define SC_CS(sc) SC_OFFSET(sc, SC_CS) +#define SC_FS(sc) SC_OFFSET(sc, SC_FS) +#define SC_GS(sc) SC_OFFSET(sc, SC_GS) +#define SC_EFLAGS(sc) SC_OFFSET(sc, SC_EFLAGS) +#define SC_SIGMASK(sc) SC_OFFSET(sc, SC_SIGMASK) +#define SC_SS(sc) SC_OFFSET(sc, SC_SS) +#if 0 +#define SC_ORIG_RAX(sc) SC_OFFSET(sc, SC_ORIG_RAX) +#define SC_DS(sc) SC_OFFSET(sc, SC_DS) +#define SC_ES(sc) SC_OFFSET(sc, SC_ES) +#endif + +#endif diff --git a/arch/um/sys-x86_64/shared/sysdep/sigcontext.h b/arch/um/sys-x86_64/shared/sysdep/sigcontext.h new file mode 100644 index 00000000000..0155133b145 --- /dev/null +++ b/arch/um/sys-x86_64/shared/sysdep/sigcontext.h @@ -0,0 +1,27 @@ +/* + * Copyright 2003 PathScale, Inc. + * + * Licensed under the GPL + */ + +#ifndef __SYSDEP_X86_64_SIGCONTEXT_H +#define __SYSDEP_X86_64_SIGCONTEXT_H + +#include + +#define IP_RESTART_SYSCALL(ip) ((ip) -= 2) + +#define GET_FAULTINFO_FROM_SC(fi, sc) \ + { \ + (fi).cr2 = SC_CR2(sc); \ + (fi).error_code = SC_ERR(sc); \ + (fi).trap_no = SC_TRAPNO(sc); \ + } + +/* This is Page Fault */ +#define SEGV_IS_FIXABLE(fi) ((fi)->trap_no == 14) + +/* No broken SKAS API, which doesn't pass trap_no, here. */ +#define SEGV_MAYBE_FIXABLE(fi) 0 + +#endif diff --git a/arch/um/sys-x86_64/shared/sysdep/skas_ptrace.h b/arch/um/sys-x86_64/shared/sysdep/skas_ptrace.h new file mode 100644 index 00000000000..95db4be786e --- /dev/null +++ b/arch/um/sys-x86_64/shared/sysdep/skas_ptrace.h @@ -0,0 +1,22 @@ +/* + * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com) + * Licensed under the GPL + */ + +#ifndef __SYSDEP_X86_64_SKAS_PTRACE_H +#define __SYSDEP_X86_64_SKAS_PTRACE_H + +struct ptrace_faultinfo { + int is_write; + unsigned long addr; +}; + +struct ptrace_ldt { + int func; + void *ptr; + unsigned long bytecount; +}; + +#define PTRACE_LDT 54 + +#endif diff --git a/arch/um/sys-x86_64/shared/sysdep/stub.h b/arch/um/sys-x86_64/shared/sysdep/stub.h new file mode 100644 index 00000000000..655f9c2de3a --- /dev/null +++ b/arch/um/sys-x86_64/shared/sysdep/stub.h @@ -0,0 +1,108 @@ +/* + * Copyright (C) 2004 Jeff Dike (jdike@addtoit.com) + * Licensed under the GPL + */ + +#ifndef __SYSDEP_STUB_H +#define __SYSDEP_STUB_H + +#include +#include +#include +#include "as-layout.h" +#include "stub-data.h" +#include "kern_constants.h" +#include "uml-config.h" + +extern void stub_segv_handler(int sig); +extern void stub_clone_handler(void); + +#define STUB_SYSCALL_RET PT_INDEX(RAX) +#define STUB_MMAP_NR __NR_mmap +#define MMAP_OFFSET(o) (o) + +#define __syscall_clobber "r11","rcx","memory" +#define __syscall "syscall" + +static inline long stub_syscall0(long syscall) +{ + long ret; + + __asm__ volatile (__syscall + : "=a" (ret) + : "0" (syscall) : __syscall_clobber ); + + return ret; +} + +static inline long stub_syscall2(long syscall, long arg1, long arg2) +{ + long ret; + + __asm__ volatile (__syscall + : "=a" (ret) + : "0" (syscall), "D" (arg1), "S" (arg2) : __syscall_clobber ); + + return ret; +} + +static inline long stub_syscall3(long syscall, long arg1, long arg2, long arg3) +{ + long ret; + + __asm__ volatile (__syscall + : "=a" (ret) + : "0" (syscall), "D" (arg1), "S" (arg2), "d" (arg3) + : __syscall_clobber ); + + return ret; +} + +static inline long stub_syscall4(long syscall, long arg1, long arg2, long arg3, + long arg4) +{ + long ret; + + __asm__ volatile ("movq %5,%%r10 ; " __syscall + : "=a" (ret) + : "0" (syscall), "D" (arg1), "S" (arg2), "d" (arg3), + "g" (arg4) + : __syscall_clobber, "r10" ); + + return ret; +} + +static inline long stub_syscall5(long syscall, long arg1, long arg2, long arg3, + long arg4, long arg5) +{ + long ret; + + __asm__ volatile ("movq %5,%%r10 ; movq %6,%%r8 ; " __syscall + : "=a" (ret) + : "0" (syscall), "D" (arg1), "S" (arg2), "d" (arg3), + "g" (arg4), "g" (arg5) + : __syscall_clobber, "r10", "r8" ); + + return ret; +} + +static inline void trap_myself(void) +{ + __asm("int3"); +} + +static inline void remap_stack(long fd, unsigned long offset) +{ + __asm__ volatile ("movq %4,%%r10 ; movq %5,%%r8 ; " + "movq %6, %%r9; " __syscall "; movq %7, %%rbx ; " + "movq %%rax, (%%rbx)": + : "a" (STUB_MMAP_NR), "D" (STUB_DATA), + "S" (UM_KERN_PAGE_SIZE), + "d" (PROT_READ | PROT_WRITE), + "g" (MAP_FIXED | MAP_SHARED), "g" (fd), + "g" (offset), + "i" (&((struct stub_data *) STUB_DATA)->err) + : __syscall_clobber, "r10", "r8", "r9" ); +} + +#endif diff --git a/arch/um/sys-x86_64/shared/sysdep/syscalls.h b/arch/um/sys-x86_64/shared/sysdep/syscalls.h new file mode 100644 index 00000000000..7cfb0b08565 --- /dev/null +++ b/arch/um/sys-x86_64/shared/sysdep/syscalls.h @@ -0,0 +1,33 @@ +/* + * Copyright 2003 PathScale, Inc. + * + * Licensed under the GPL + */ + +#ifndef __SYSDEP_X86_64_SYSCALLS_H__ +#define __SYSDEP_X86_64_SYSCALLS_H__ + +#include +#include +#include + +typedef long syscall_handler_t(void); + +extern syscall_handler_t *sys_call_table[]; + +#define EXECUTE_SYSCALL(syscall, regs) \ + (((long (*)(long, long, long, long, long, long)) \ + (*sys_call_table[syscall]))(UPT_SYSCALL_ARG1(®s->regs), \ + UPT_SYSCALL_ARG2(®s->regs), \ + UPT_SYSCALL_ARG3(®s->regs), \ + UPT_SYSCALL_ARG4(®s->regs), \ + UPT_SYSCALL_ARG5(®s->regs), \ + UPT_SYSCALL_ARG6(®s->regs))) + +extern long old_mmap(unsigned long addr, unsigned long len, + unsigned long prot, unsigned long flags, + unsigned long fd, unsigned long pgoff); +extern syscall_handler_t sys_modify_ldt; +extern syscall_handler_t sys_arch_prctl; + +#endif diff --git a/arch/um/sys-x86_64/shared/sysdep/system.h b/arch/um/sys-x86_64/shared/sysdep/system.h new file mode 100644 index 00000000000..d1b93c43620 --- /dev/null +++ b/arch/um/sys-x86_64/shared/sysdep/system.h @@ -0,0 +1,132 @@ +#ifndef _ASM_X86_SYSTEM_H_ +#define _ASM_X86_SYSTEM_H_ + +#include +#include +#include +#include +#include + +#include +#include + +/* entries in ARCH_DLINFO: */ +#ifdef CONFIG_IA32_EMULATION +# define AT_VECTOR_SIZE_ARCH 2 +#else +# define AT_VECTOR_SIZE_ARCH 1 +#endif + +extern unsigned long arch_align_stack(unsigned long sp); + +void default_idle(void); + +/* + * Force strict CPU ordering. + * And yes, this is required on UP too when we're talking + * to devices. + */ +#ifdef CONFIG_X86_32 +/* + * Some non-Intel clones support out of order store. wmb() ceases to be a + * nop for these. + */ +#define mb() alternative("lock; addl $0,0(%%esp)", "mfence", X86_FEATURE_XMM2) +#define rmb() alternative("lock; addl $0,0(%%esp)", "lfence", X86_FEATURE_XMM2) +#define wmb() alternative("lock; addl $0,0(%%esp)", "sfence", X86_FEATURE_XMM) +#else +#define mb() asm volatile("mfence":::"memory") +#define rmb() asm volatile("lfence":::"memory") +#define wmb() asm volatile("sfence" ::: "memory") +#endif + +/** + * read_barrier_depends - Flush all pending reads that subsequents reads + * depend on. + * + * No data-dependent reads from memory-like regions are ever reordered + * over this barrier. All reads preceding this primitive are guaranteed + * to access memory (but not necessarily other CPUs' caches) before any + * reads following this primitive that depend on the data return by + * any of the preceding reads. This primitive is much lighter weight than + * rmb() on most CPUs, and is never heavier weight than is + * rmb(). + * + * These ordering constraints are respected by both the local CPU + * and the compiler. + * + * Ordering is not guaranteed by anything other than these primitives, + * not even by data dependencies. See the documentation for + * memory_barrier() for examples and URLs to more information. + * + * For example, the following code would force ordering (the initial + * value of "a" is zero, "b" is one, and "p" is "&a"): + * + * + * CPU 0 CPU 1 + * + * b = 2; + * memory_barrier(); + * p = &b; q = p; + * read_barrier_depends(); + * d = *q; + * + * + * because the read of "*q" depends on the read of "p" and these + * two reads are separated by a read_barrier_depends(). However, + * the following code, with the same initial values for "a" and "b": + * + * + * CPU 0 CPU 1 + * + * a = 2; + * memory_barrier(); + * b = 3; y = b; + * read_barrier_depends(); + * x = a; + * + * + * does not enforce ordering, since there is no data dependency between + * the read of "a" and the read of "b". Therefore, on some CPUs, such + * as Alpha, "y" could be set to 3 and "x" to 0. Use rmb() + * in cases like this where there are no data dependencies. + **/ + +#define read_barrier_depends() do { } while (0) + +#ifdef CONFIG_SMP +#define smp_mb() mb() +#ifdef CONFIG_X86_PPRO_FENCE +# define smp_rmb() rmb() +#else +# define smp_rmb() barrier() +#endif +#ifdef CONFIG_X86_OOSTORE +# define smp_wmb() wmb() +#else +# define smp_wmb() barrier() +#endif +#define smp_read_barrier_depends() read_barrier_depends() +#define set_mb(var, value) do { (void)xchg(&var, value); } while (0) +#else +#define smp_mb() barrier() +#define smp_rmb() barrier() +#define smp_wmb() barrier() +#define smp_read_barrier_depends() do { } while (0) +#define set_mb(var, value) do { var = value; barrier(); } while (0) +#endif + +/* + * Stop RDTSC speculation. This is needed when you need to use RDTSC + * (or get_cycles or vread that possibly accesses the TSC) in a defined + * code region. + * + * (Could use an alternative three way for this if there was one.) + */ +static inline void rdtsc_barrier(void) +{ + alternative(ASM_NOP3, "mfence", X86_FEATURE_MFENCE_RDTSC); + alternative(ASM_NOP3, "lfence", X86_FEATURE_LFENCE_RDTSC); +} + +#endif diff --git a/arch/um/sys-x86_64/shared/sysdep/tls.h b/arch/um/sys-x86_64/shared/sysdep/tls.h new file mode 100644 index 00000000000..18c000d0357 --- /dev/null +++ b/arch/um/sys-x86_64/shared/sysdep/tls.h @@ -0,0 +1,29 @@ +#ifndef _SYSDEP_TLS_H +#define _SYSDEP_TLS_H + +# ifndef __KERNEL__ + +/* Change name to avoid conflicts with the original one from , which + * may be named user_desc (but in 2.4 and in header matching its API was named + * modify_ldt_ldt_s). */ + +typedef struct um_dup_user_desc { + unsigned int entry_number; + unsigned int base_addr; + unsigned int limit; + unsigned int seg_32bit:1; + unsigned int contents:2; + unsigned int read_exec_only:1; + unsigned int limit_in_pages:1; + unsigned int seg_not_present:1; + unsigned int useable:1; + unsigned int lm:1; +} user_desc_t; + +# else /* __KERNEL__ */ + +# include +typedef struct user_desc user_desc_t; + +# endif /* __KERNEL__ */ +#endif /* _SYSDEP_TLS_H */ diff --git a/arch/um/sys-x86_64/shared/sysdep/vm-flags.h b/arch/um/sys-x86_64/shared/sysdep/vm-flags.h new file mode 100644 index 00000000000..3213edfa788 --- /dev/null +++ b/arch/um/sys-x86_64/shared/sysdep/vm-flags.h @@ -0,0 +1,33 @@ +/* + * Copyright (C) 2004 Jeff Dike (jdike@addtoit.com) + * Copyright 2003 PathScale, Inc. + * Licensed under the GPL + */ + +#ifndef __VM_FLAGS_X86_64_H +#define __VM_FLAGS_X86_64_H + +#define __VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \ + VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) +#define __VM_STACK_FLAGS (VM_GROWSDOWN | VM_READ | VM_WRITE | \ + VM_EXEC | VM_MAYREAD | VM_MAYWRITE | \ + VM_MAYEXEC) + +extern unsigned long vm_stack_flags, vm_stack_flags32; +extern unsigned long vm_data_default_flags, vm_data_default_flags32; +extern unsigned long vm_force_exec32; + +#ifdef TIF_IA32 +#define VM_DATA_DEFAULT_FLAGS \ + (test_thread_flag(TIF_IA32) ? vm_data_default_flags32 : \ + vm_data_default_flags) + +#define VM_STACK_DEFAULT_FLAGS \ + (test_thread_flag(TIF_IA32) ? vm_stack_flags32 : vm_stack_flags) +#endif + +#define VM_DATA_DEFAULT_FLAGS vm_data_default_flags + +#define VM_STACK_DEFAULT_FLAGS vm_stack_flags + +#endif diff --git a/arch/um/sys-x86_64/sysdep/archsetjmp.h b/arch/um/sys-x86_64/sysdep/archsetjmp.h deleted file mode 100644 index 2af8f12ca16..00000000000 --- a/arch/um/sys-x86_64/sysdep/archsetjmp.h +++ /dev/null @@ -1,24 +0,0 @@ -/* - * arch/um/include/sysdep-x86_64/archsetjmp.h - */ - -#ifndef _KLIBC_ARCHSETJMP_H -#define _KLIBC_ARCHSETJMP_H - -struct __jmp_buf { - unsigned long __rbx; - unsigned long __rsp; - unsigned long __rbp; - unsigned long __r12; - unsigned long __r13; - unsigned long __r14; - unsigned long __r15; - unsigned long __rip; -}; - -typedef struct __jmp_buf jmp_buf[1]; - -#define JB_IP __rip -#define JB_SP __rsp - -#endif /* _SETJMP_H */ diff --git a/arch/um/sys-x86_64/sysdep/barrier.h b/arch/um/sys-x86_64/sysdep/barrier.h deleted file mode 100644 index 7b610befdc8..00000000000 --- a/arch/um/sys-x86_64/sysdep/barrier.h +++ /dev/null @@ -1,7 +0,0 @@ -#ifndef __SYSDEP_X86_64_BARRIER_H -#define __SYSDEP_X86_64_BARRIER_H - -/* Copied from include/asm-x86_64 for use by userspace. */ -#define mb() asm volatile("mfence":::"memory") - -#endif diff --git a/arch/um/sys-x86_64/sysdep/checksum.h b/arch/um/sys-x86_64/sysdep/checksum.h deleted file mode 100644 index a5be9031ea8..00000000000 --- a/arch/um/sys-x86_64/sysdep/checksum.h +++ /dev/null @@ -1,144 +0,0 @@ -/* - * Licensed under the GPL - */ - -#ifndef __UM_SYSDEP_CHECKSUM_H -#define __UM_SYSDEP_CHECKSUM_H - -#include "linux/string.h" -#include "linux/in6.h" -#include "asm/uaccess.h" - -extern __wsum csum_partial(const void *buff, int len, __wsum sum); - -/* - * Note: when you get a NULL pointer exception here this means someone - * passed in an incorrect kernel address to one of these functions. - * - * If you use these functions directly please don't forget the - * access_ok(). - */ - -static __inline__ -__wsum csum_partial_copy_nocheck(const void *src, void *dst, - int len, __wsum sum) -{ - memcpy(dst, src, len); - return(csum_partial(dst, len, sum)); -} - -static __inline__ -__wsum csum_partial_copy_from_user(const void __user *src, - void *dst, int len, __wsum sum, - int *err_ptr) -{ - if (copy_from_user(dst, src, len)) { - *err_ptr = -EFAULT; - return (__force __wsum)-1; - } - return csum_partial(dst, len, sum); -} - -/** - * csum_fold - Fold and invert a 32bit checksum. - * sum: 32bit unfolded sum - * - * Fold a 32bit running checksum to 16bit and invert it. This is usually - * the last step before putting a checksum into a packet. - * Make sure not to mix with 64bit checksums. - */ -static inline __sum16 csum_fold(__wsum sum) -{ - __asm__( - " addl %1,%0\n" - " adcl $0xffff,%0" - : "=r" (sum) - : "r" ((__force u32)sum << 16), - "0" ((__force u32)sum & 0xffff0000) - ); - return (__force __sum16)(~(__force u32)sum >> 16); -} - -/** - * csum_tcpup_nofold - Compute an IPv4 pseudo header checksum. - * @saddr: source address - * @daddr: destination address - * @len: length of packet - * @proto: ip protocol of packet - * @sum: initial sum to be added in (32bit unfolded) - * - * Returns the pseudo header checksum the input data. Result is - * 32bit unfolded. - */ -static inline __wsum -csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len, - unsigned short proto, __wsum sum) -{ - asm(" addl %1, %0\n" - " adcl %2, %0\n" - " adcl %3, %0\n" - " adcl $0, %0\n" - : "=r" (sum) - : "g" (daddr), "g" (saddr), "g" ((len + proto) << 8), "0" (sum)); - return sum; -} - -/* - * computes the checksum of the TCP/UDP pseudo-header - * returns a 16-bit checksum, already complemented - */ -static inline __sum16 csum_tcpudp_magic(__be32 saddr, __be32 daddr, - unsigned short len, - unsigned short proto, - __wsum sum) -{ - return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum)); -} - -/** - * ip_fast_csum - Compute the IPv4 header checksum efficiently. - * iph: ipv4 header - * ihl: length of header / 4 - */ -static inline __sum16 ip_fast_csum(const void *iph, unsigned int ihl) -{ - unsigned int sum; - - asm( " movl (%1), %0\n" - " subl $4, %2\n" - " jbe 2f\n" - " addl 4(%1), %0\n" - " adcl 8(%1), %0\n" - " adcl 12(%1), %0\n" - "1: adcl 16(%1), %0\n" - " lea 4(%1), %1\n" - " decl %2\n" - " jne 1b\n" - " adcl $0, %0\n" - " movl %0, %2\n" - " shrl $16, %0\n" - " addw %w2, %w0\n" - " adcl $0, %0\n" - " notl %0\n" - "2:" - /* Since the input registers which are loaded with iph and ipl - are modified, we must also specify them as outputs, or gcc - will assume they contain their original values. */ - : "=r" (sum), "=r" (iph), "=r" (ihl) - : "1" (iph), "2" (ihl) - : "memory"); - return (__force __sum16)sum; -} - -static inline unsigned add32_with_carry(unsigned a, unsigned b) -{ - asm("addl %2,%0\n\t" - "adcl $0,%0" - : "=r" (a) - : "0" (a), "r" (b)); - return a; -} - -extern __sum16 ip_compute_csum(const void *buff, int len); - -#endif diff --git a/arch/um/sys-x86_64/sysdep/faultinfo.h b/arch/um/sys-x86_64/sysdep/faultinfo.h deleted file mode 100644 index cb917b0d566..00000000000 --- a/arch/um/sys-x86_64/sysdep/faultinfo.h +++ /dev/null @@ -1,29 +0,0 @@ -/* - * Copyright (C) 2004 Fujitsu Siemens Computers GmbH - * Author: Bodo Stroesser - * Licensed under the GPL - */ - -#ifndef __FAULTINFO_X86_64_H -#define __FAULTINFO_X86_64_H - -/* this structure contains the full arch-specific faultinfo - * from the traps. - * On i386, ptrace_faultinfo unfortunately doesn't provide - * all the info, since trap_no is missing. - * All common elements are defined at the same position in - * both structures, thus making it easy to copy the - * contents without knowledge about the structure elements. - */ -struct faultinfo { - int error_code; /* in ptrace_faultinfo misleadingly called is_write */ - unsigned long cr2; /* in ptrace_faultinfo called addr */ - int trap_no; /* missing in ptrace_faultinfo */ -}; - -#define FAULT_WRITE(fi) ((fi).error_code & 2) -#define FAULT_ADDRESS(fi) ((fi).cr2) - -#define PTRACE_FULL_FAULTINFO 1 - -#endif diff --git a/arch/um/sys-x86_64/sysdep/host_ldt.h b/arch/um/sys-x86_64/sysdep/host_ldt.h deleted file mode 100644 index e8b1be1e154..00000000000 --- a/arch/um/sys-x86_64/sysdep/host_ldt.h +++ /dev/null @@ -1,38 +0,0 @@ -#ifndef __ASM_HOST_LDT_X86_64_H -#define __ASM_HOST_LDT_X86_64_H - -#include - -/* - * macros stolen from include/asm-x86_64/desc.h - */ -#define LDT_entry_a(info) \ - ((((info)->base_addr & 0x0000ffff) << 16) | ((info)->limit & 0x0ffff)) - -/* Don't allow setting of the lm bit. It is useless anyways because - * 64bit system calls require __USER_CS. */ -#define LDT_entry_b(info) \ - (((info)->base_addr & 0xff000000) | \ - (((info)->base_addr & 0x00ff0000) >> 16) | \ - ((info)->limit & 0xf0000) | \ - (((info)->read_exec_only ^ 1) << 9) | \ - ((info)->contents << 10) | \ - (((info)->seg_not_present ^ 1) << 15) | \ - ((info)->seg_32bit << 22) | \ - ((info)->limit_in_pages << 23) | \ - ((info)->useable << 20) | \ - /* ((info)->lm << 21) | */ \ - 0x7000) - -#define LDT_empty(info) (\ - (info)->base_addr == 0 && \ - (info)->limit == 0 && \ - (info)->contents == 0 && \ - (info)->read_exec_only == 1 && \ - (info)->seg_32bit == 0 && \ - (info)->limit_in_pages == 0 && \ - (info)->seg_not_present == 1 && \ - (info)->useable == 0 && \ - (info)->lm == 0) - -#endif diff --git a/arch/um/sys-x86_64/sysdep/kernel-offsets.h b/arch/um/sys-x86_64/sysdep/kernel-offsets.h deleted file mode 100644 index a307237b796..00000000000 --- a/arch/um/sys-x86_64/sysdep/kernel-offsets.h +++ /dev/null @@ -1,23 +0,0 @@ -#include -#include -#include -#include -#include -#include -#include - -#define DEFINE(sym, val) \ - asm volatile("\n->" #sym " %0 " #val : : "i" (val)) - -#define DEFINE_STR1(x) #x -#define DEFINE_STR(sym, val) asm volatile("\n->" #sym " " DEFINE_STR1(val) " " #val: : ) - -#define BLANK() asm volatile("\n->" : : ) - -#define OFFSET(sym, str, mem) \ - DEFINE(sym, offsetof(struct str, mem)); - -void foo(void) -{ -#include -} diff --git a/arch/um/sys-x86_64/sysdep/ptrace.h b/arch/um/sys-x86_64/sysdep/ptrace.h deleted file mode 100644 index 9ea44d111f3..00000000000 --- a/arch/um/sys-x86_64/sysdep/ptrace.h +++ /dev/null @@ -1,240 +0,0 @@ -/* - * Copyright 2003 PathScale, Inc. - * Copyright (C) 2003 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) - * - * Licensed under the GPL - */ - -#ifndef __SYSDEP_X86_64_PTRACE_H -#define __SYSDEP_X86_64_PTRACE_H - -#include "uml-config.h" -#include "user_constants.h" -#include "sysdep/faultinfo.h" - -#define MAX_REG_OFFSET (UM_FRAME_SIZE) -#define MAX_REG_NR ((MAX_REG_OFFSET) / sizeof(unsigned long)) - -#include "skas_ptregs.h" - -#define REGS_IP(r) ((r)[HOST_IP]) -#define REGS_SP(r) ((r)[HOST_SP]) - -#define REGS_RBX(r) ((r)[HOST_RBX]) -#define REGS_RCX(r) ((r)[HOST_RCX]) -#define REGS_RDX(r) ((r)[HOST_RDX]) -#define REGS_RSI(r) ((r)[HOST_RSI]) -#define REGS_RDI(r) ((r)[HOST_RDI]) -#define REGS_RBP(r) ((r)[HOST_RBP]) -#define REGS_RAX(r) ((r)[HOST_RAX]) -#define REGS_R8(r) ((r)[HOST_R8]) -#define REGS_R9(r) ((r)[HOST_R9]) -#define REGS_R10(r) ((r)[HOST_R10]) -#define REGS_R11(r) ((r)[HOST_R11]) -#define REGS_R12(r) ((r)[HOST_R12]) -#define REGS_R13(r) ((r)[HOST_R13]) -#define REGS_R14(r) ((r)[HOST_R14]) -#define REGS_R15(r) ((r)[HOST_R15]) -#define REGS_CS(r) ((r)[HOST_CS]) -#define REGS_EFLAGS(r) ((r)[HOST_EFLAGS]) -#define REGS_SS(r) ((r)[HOST_SS]) - -#define HOST_FS_BASE 21 -#define HOST_GS_BASE 22 -#define HOST_DS 23 -#define HOST_ES 24 -#define HOST_FS 25 -#define HOST_GS 26 - -/* Also defined in asm/ptrace-x86_64.h, but not in libc headers. So, these - * are already defined for kernel code, but not for userspace code. - */ -#ifndef FS_BASE -/* These aren't defined in ptrace.h, but exist in struct user_regs_struct, - * which is what x86_64 ptrace actually uses. - */ -#define FS_BASE (HOST_FS_BASE * sizeof(long)) -#define GS_BASE (HOST_GS_BASE * sizeof(long)) -#define DS (HOST_DS * sizeof(long)) -#define ES (HOST_ES * sizeof(long)) -#define FS (HOST_FS * sizeof(long)) -#define GS (HOST_GS * sizeof(long)) -#endif - -#define REGS_FS_BASE(r) ((r)[HOST_FS_BASE]) -#define REGS_GS_BASE(r) ((r)[HOST_GS_BASE]) -#define REGS_DS(r) ((r)[HOST_DS]) -#define REGS_ES(r) ((r)[HOST_ES]) -#define REGS_FS(r) ((r)[HOST_FS]) -#define REGS_GS(r) ((r)[HOST_GS]) - -#define REGS_ORIG_RAX(r) ((r)[HOST_ORIG_RAX]) - -#define REGS_SET_SYSCALL_RETURN(r, res) REGS_RAX(r) = (res) - -#define REGS_RESTART_SYSCALL(r) IP_RESTART_SYSCALL(REGS_IP(r)) - -#define REGS_SEGV_IS_FIXABLE(r) SEGV_IS_FIXABLE((r)->trap_type) - -#define REGS_FAULT_ADDR(r) ((r)->fault_addr) - -#define REGS_FAULT_WRITE(r) FAULT_WRITE((r)->fault_type) - -#define REGS_TRAP(r) ((r)->trap_type) - -#define REGS_ERR(r) ((r)->fault_type) - -struct uml_pt_regs { - unsigned long gp[MAX_REG_NR]; - struct faultinfo faultinfo; - long syscall; - int is_user; -}; - -#define EMPTY_UML_PT_REGS { } - -#define UPT_RBX(r) REGS_RBX((r)->gp) -#define UPT_RCX(r) REGS_RCX((r)->gp) -#define UPT_RDX(r) REGS_RDX((r)->gp) -#define UPT_RSI(r) REGS_RSI((r)->gp) -#define UPT_RDI(r) REGS_RDI((r)->gp) -#define UPT_RBP(r) REGS_RBP((r)->gp) -#define UPT_RAX(r) REGS_RAX((r)->gp) -#define UPT_R8(r) REGS_R8((r)->gp) -#define UPT_R9(r) REGS_R9((r)->gp) -#define UPT_R10(r) REGS_R10((r)->gp) -#define UPT_R11(r) REGS_R11((r)->gp) -#define UPT_R12(r) REGS_R12((r)->gp) -#define UPT_R13(r) REGS_R13((r)->gp) -#define UPT_R14(r) REGS_R14((r)->gp) -#define UPT_R15(r) REGS_R15((r)->gp) -#define UPT_CS(r) REGS_CS((r)->gp) -#define UPT_FS_BASE(r) REGS_FS_BASE((r)->gp) -#define UPT_FS(r) REGS_FS((r)->gp) -#define UPT_GS_BASE(r) REGS_GS_BASE((r)->gp) -#define UPT_GS(r) REGS_GS((r)->gp) -#define UPT_DS(r) REGS_DS((r)->gp) -#define UPT_ES(r) REGS_ES((r)->gp) -#define UPT_CS(r) REGS_CS((r)->gp) -#define UPT_SS(r) REGS_SS((r)->gp) -#define UPT_ORIG_RAX(r) REGS_ORIG_RAX((r)->gp) - -#define UPT_IP(r) REGS_IP((r)->gp) -#define UPT_SP(r) REGS_SP((r)->gp) - -#define UPT_EFLAGS(r) REGS_EFLAGS((r)->gp) -#define UPT_SYSCALL_NR(r) ((r)->syscall) -#define UPT_SYSCALL_RET(r) UPT_RAX(r) - -extern int user_context(unsigned long sp); - -#define UPT_IS_USER(r) ((r)->is_user) - -#define UPT_SYSCALL_ARG1(r) UPT_RDI(r) -#define UPT_SYSCALL_ARG2(r) UPT_RSI(r) -#define UPT_SYSCALL_ARG3(r) UPT_RDX(r) -#define UPT_SYSCALL_ARG4(r) UPT_R10(r) -#define UPT_SYSCALL_ARG5(r) UPT_R8(r) -#define UPT_SYSCALL_ARG6(r) UPT_R9(r) - -struct syscall_args { - unsigned long args[6]; -}; - -#define SYSCALL_ARGS(r) ((struct syscall_args) \ - { .args = { UPT_SYSCALL_ARG1(r), \ - UPT_SYSCALL_ARG2(r), \ - UPT_SYSCALL_ARG3(r), \ - UPT_SYSCALL_ARG4(r), \ - UPT_SYSCALL_ARG5(r), \ - UPT_SYSCALL_ARG6(r) } } ) - -#define UPT_REG(regs, reg) \ - ({ unsigned long val; \ - switch(reg){ \ - case R8: val = UPT_R8(regs); break; \ - case R9: val = UPT_R9(regs); break; \ - case R10: val = UPT_R10(regs); break; \ - case R11: val = UPT_R11(regs); break; \ - case R12: val = UPT_R12(regs); break; \ - case R13: val = UPT_R13(regs); break; \ - case R14: val = UPT_R14(regs); break; \ - case R15: val = UPT_R15(regs); break; \ - case RIP: val = UPT_IP(regs); break; \ - case RSP: val = UPT_SP(regs); break; \ - case RAX: val = UPT_RAX(regs); break; \ - case RBX: val = UPT_RBX(regs); break; \ - case RCX: val = UPT_RCX(regs); break; \ - case RDX: val = UPT_RDX(regs); break; \ - case RSI: val = UPT_RSI(regs); break; \ - case RDI: val = UPT_RDI(regs); break; \ - case RBP: val = UPT_RBP(regs); break; \ - case ORIG_RAX: val = UPT_ORIG_RAX(regs); break; \ - case CS: val = UPT_CS(regs); break; \ - case SS: val = UPT_SS(regs); break; \ - case FS_BASE: val = UPT_FS_BASE(regs); break; \ - case GS_BASE: val = UPT_GS_BASE(regs); break; \ - case DS: val = UPT_DS(regs); break; \ - case ES: val = UPT_ES(regs); break; \ - case FS : val = UPT_FS (regs); break; \ - case GS: val = UPT_GS(regs); break; \ - case EFLAGS: val = UPT_EFLAGS(regs); break; \ - default : \ - panic("Bad register in UPT_REG : %d\n", reg); \ - val = -1; \ - } \ - val; \ - }) - - -#define UPT_SET(regs, reg, val) \ - ({ unsigned long __upt_val = val; \ - switch(reg){ \ - case R8: UPT_R8(regs) = __upt_val; break; \ - case R9: UPT_R9(regs) = __upt_val; break; \ - case R10: UPT_R10(regs) = __upt_val; break; \ - case R11: UPT_R11(regs) = __upt_val; break; \ - case R12: UPT_R12(regs) = __upt_val; break; \ - case R13: UPT_R13(regs) = __upt_val; break; \ - case R14: UPT_R14(regs) = __upt_val; break; \ - case R15: UPT_R15(regs) = __upt_val; break; \ - case RIP: UPT_IP(regs) = __upt_val; break; \ - case RSP: UPT_SP(regs) = __upt_val; break; \ - case RAX: UPT_RAX(regs) = __upt_val; break; \ - case RBX: UPT_RBX(regs) = __upt_val; break; \ - case RCX: UPT_RCX(regs) = __upt_val; break; \ - case RDX: UPT_RDX(regs) = __upt_val; break; \ - case RSI: UPT_RSI(regs) = __upt_val; break; \ - case RDI: UPT_RDI(regs) = __upt_val; break; \ - case RBP: UPT_RBP(regs) = __upt_val; break; \ - case ORIG_RAX: UPT_ORIG_RAX(regs) = __upt_val; break; \ - case CS: UPT_CS(regs) = __upt_val; break; \ - case SS: UPT_SS(regs) = __upt_val; break; \ - case FS_BASE: UPT_FS_BASE(regs) = __upt_val; break; \ - case GS_BASE: UPT_GS_BASE(regs) = __upt_val; break; \ - case DS: UPT_DS(regs) = __upt_val; break; \ - case ES: UPT_ES(regs) = __upt_val; break; \ - case FS: UPT_FS(regs) = __upt_val; break; \ - case GS: UPT_GS(regs) = __upt_val; break; \ - case EFLAGS: UPT_EFLAGS(regs) = __upt_val; break; \ - default : \ - panic("Bad register in UPT_SET : %d\n", reg); \ - break; \ - } \ - __upt_val; \ - }) - -#define UPT_SET_SYSCALL_RETURN(r, res) \ - REGS_SET_SYSCALL_RETURN((r)->regs, (res)) - -#define UPT_RESTART_SYSCALL(r) REGS_RESTART_SYSCALL((r)->gp) - -#define UPT_SEGV_IS_FIXABLE(r) REGS_SEGV_IS_FIXABLE(&r->skas) - -#define UPT_FAULTINFO(r) (&(r)->faultinfo) - -static inline void arch_init_registers(int pid) -{ -} - -#endif diff --git a/arch/um/sys-x86_64/sysdep/ptrace_user.h b/arch/um/sys-x86_64/sysdep/ptrace_user.h deleted file mode 100644 index 4dbccdb58f4..00000000000 --- a/arch/um/sys-x86_64/sysdep/ptrace_user.h +++ /dev/null @@ -1,77 +0,0 @@ -/* - * Copyright 2003 PathScale, Inc. - * - * Licensed under the GPL - */ - -#ifndef __SYSDEP_X86_64_PTRACE_USER_H__ -#define __SYSDEP_X86_64_PTRACE_USER_H__ - -#define __FRAME_OFFSETS -#include -#include -#include -#undef __FRAME_OFFSETS -#include "user_constants.h" - -#define PT_INDEX(off) ((off) / sizeof(unsigned long)) - -#define PT_SYSCALL_NR(regs) ((regs)[PT_INDEX(ORIG_RAX)]) -#define PT_SYSCALL_NR_OFFSET (ORIG_RAX) - -#define PT_SYSCALL_ARG1(regs) (((unsigned long *) (regs))[PT_INDEX(RDI)]) -#define PT_SYSCALL_ARG1_OFFSET (RDI) - -#define PT_SYSCALL_ARG2(regs) (((unsigned long *) (regs))[PT_INDEX(RSI)]) -#define PT_SYSCALL_ARG2_OFFSET (RSI) - -#define PT_SYSCALL_ARG3(regs) (((unsigned long *) (regs))[PT_INDEX(RDX)]) -#define PT_SYSCALL_ARG3_OFFSET (RDX) - -#define PT_SYSCALL_ARG4(regs) (((unsigned long *) (regs))[PT_INDEX(RCX)]) -#define PT_SYSCALL_ARG4_OFFSET (RCX) - -#define PT_SYSCALL_ARG5(regs) (((unsigned long *) (regs))[PT_INDEX(R8)]) -#define PT_SYSCALL_ARG5_OFFSET (R8) - -#define PT_SYSCALL_ARG6(regs) (((unsigned long *) (regs))[PT_INDEX(R9)]) -#define PT_SYSCALL_ARG6_OFFSET (R9) - -#define PT_SYSCALL_RET_OFFSET (RAX) - -#define PT_IP_OFFSET (RIP) -#define PT_IP(regs) ((regs)[PT_INDEX(RIP)]) - -#define PT_SP_OFFSET (RSP) -#define PT_SP(regs) ((regs)[PT_INDEX(RSP)]) - -#define PT_ORIG_RAX_OFFSET (ORIG_RAX) -#define PT_ORIG_RAX(regs) ((regs)[PT_INDEX(ORIG_RAX)]) - -/* - * x86_64 FC3 doesn't define this in /usr/include/linux/ptrace.h even though - * it's defined in the kernel's include/linux/ptrace.h. Additionally, use the - * 2.4 name and value for 2.4 host compatibility. - */ -#ifndef PTRACE_OLDSETOPTIONS -#define PTRACE_OLDSETOPTIONS 21 -#endif - -/* - * These are before the system call, so the system call number is RAX - * rather than ORIG_RAX, and arg4 is R10 rather than RCX - */ -#define REGS_SYSCALL_NR PT_INDEX(RAX) -#define REGS_SYSCALL_ARG1 PT_INDEX(RDI) -#define REGS_SYSCALL_ARG2 PT_INDEX(RSI) -#define REGS_SYSCALL_ARG3 PT_INDEX(RDX) -#define REGS_SYSCALL_ARG4 PT_INDEX(R10) -#define REGS_SYSCALL_ARG5 PT_INDEX(R8) -#define REGS_SYSCALL_ARG6 PT_INDEX(R9) - -#define REGS_IP_INDEX PT_INDEX(RIP) -#define REGS_SP_INDEX PT_INDEX(RSP) - -#define FP_SIZE (HOST_FP_SIZE) - -#endif diff --git a/arch/um/sys-x86_64/sysdep/sc.h b/arch/um/sys-x86_64/sysdep/sc.h deleted file mode 100644 index 8aee45b0743..00000000000 --- a/arch/um/sys-x86_64/sysdep/sc.h +++ /dev/null @@ -1,45 +0,0 @@ -#ifndef __SYSDEP_X86_64_SC_H -#define __SYSDEP_X86_64_SC_H - -/* Copyright (C) 2003 - 2004 PathScale, Inc - * Released under the GPL - */ - -#include - -#define SC_OFFSET(sc, field) \ - *((unsigned long *) &(((char *) (sc))[HOST_##field])) - -#define SC_RBX(sc) SC_OFFSET(sc, SC_RBX) -#define SC_RCX(sc) SC_OFFSET(sc, SC_RCX) -#define SC_RDX(sc) SC_OFFSET(sc, SC_RDX) -#define SC_RSI(sc) SC_OFFSET(sc, SC_RSI) -#define SC_RDI(sc) SC_OFFSET(sc, SC_RDI) -#define SC_RBP(sc) SC_OFFSET(sc, SC_RBP) -#define SC_RAX(sc) SC_OFFSET(sc, SC_RAX) -#define SC_R8(sc) SC_OFFSET(sc, SC_R8) -#define SC_R9(sc) SC_OFFSET(sc, SC_R9) -#define SC_R10(sc) SC_OFFSET(sc, SC_R10) -#define SC_R11(sc) SC_OFFSET(sc, SC_R11) -#define SC_R12(sc) SC_OFFSET(sc, SC_R12) -#define SC_R13(sc) SC_OFFSET(sc, SC_R13) -#define SC_R14(sc) SC_OFFSET(sc, SC_R14) -#define SC_R15(sc) SC_OFFSET(sc, SC_R15) -#define SC_IP(sc) SC_OFFSET(sc, SC_IP) -#define SC_SP(sc) SC_OFFSET(sc, SC_SP) -#define SC_CR2(sc) SC_OFFSET(sc, SC_CR2) -#define SC_ERR(sc) SC_OFFSET(sc, SC_ERR) -#define SC_TRAPNO(sc) SC_OFFSET(sc, SC_TRAPNO) -#define SC_CS(sc) SC_OFFSET(sc, SC_CS) -#define SC_FS(sc) SC_OFFSET(sc, SC_FS) -#define SC_GS(sc) SC_OFFSET(sc, SC_GS) -#define SC_EFLAGS(sc) SC_OFFSET(sc, SC_EFLAGS) -#define SC_SIGMASK(sc) SC_OFFSET(sc, SC_SIGMASK) -#define SC_SS(sc) SC_OFFSET(sc, SC_SS) -#if 0 -#define SC_ORIG_RAX(sc) SC_OFFSET(sc, SC_ORIG_RAX) -#define SC_DS(sc) SC_OFFSET(sc, SC_DS) -#define SC_ES(sc) SC_OFFSET(sc, SC_ES) -#endif - -#endif diff --git a/arch/um/sys-x86_64/sysdep/sigcontext.h b/arch/um/sys-x86_64/sysdep/sigcontext.h deleted file mode 100644 index 0155133b145..00000000000 --- a/arch/um/sys-x86_64/sysdep/sigcontext.h +++ /dev/null @@ -1,27 +0,0 @@ -/* - * Copyright 2003 PathScale, Inc. - * - * Licensed under the GPL - */ - -#ifndef __SYSDEP_X86_64_SIGCONTEXT_H -#define __SYSDEP_X86_64_SIGCONTEXT_H - -#include - -#define IP_RESTART_SYSCALL(ip) ((ip) -= 2) - -#define GET_FAULTINFO_FROM_SC(fi, sc) \ - { \ - (fi).cr2 = SC_CR2(sc); \ - (fi).error_code = SC_ERR(sc); \ - (fi).trap_no = SC_TRAPNO(sc); \ - } - -/* This is Page Fault */ -#define SEGV_IS_FIXABLE(fi) ((fi)->trap_no == 14) - -/* No broken SKAS API, which doesn't pass trap_no, here. */ -#define SEGV_MAYBE_FIXABLE(fi) 0 - -#endif diff --git a/arch/um/sys-x86_64/sysdep/skas_ptrace.h b/arch/um/sys-x86_64/sysdep/skas_ptrace.h deleted file mode 100644 index 95db4be786e..00000000000 --- a/arch/um/sys-x86_64/sysdep/skas_ptrace.h +++ /dev/null @@ -1,22 +0,0 @@ -/* - * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com) - * Licensed under the GPL - */ - -#ifndef __SYSDEP_X86_64_SKAS_PTRACE_H -#define __SYSDEP_X86_64_SKAS_PTRACE_H - -struct ptrace_faultinfo { - int is_write; - unsigned long addr; -}; - -struct ptrace_ldt { - int func; - void *ptr; - unsigned long bytecount; -}; - -#define PTRACE_LDT 54 - -#endif diff --git a/arch/um/sys-x86_64/sysdep/stub.h b/arch/um/sys-x86_64/sysdep/stub.h deleted file mode 100644 index 655f9c2de3a..00000000000 --- a/arch/um/sys-x86_64/sysdep/stub.h +++ /dev/null @@ -1,108 +0,0 @@ -/* - * Copyright (C) 2004 Jeff Dike (jdike@addtoit.com) - * Licensed under the GPL - */ - -#ifndef __SYSDEP_STUB_H -#define __SYSDEP_STUB_H - -#include -#include -#include -#include "as-layout.h" -#include "stub-data.h" -#include "kern_constants.h" -#include "uml-config.h" - -extern void stub_segv_handler(int sig); -extern void stub_clone_handler(void); - -#define STUB_SYSCALL_RET PT_INDEX(RAX) -#define STUB_MMAP_NR __NR_mmap -#define MMAP_OFFSET(o) (o) - -#define __syscall_clobber "r11","rcx","memory" -#define __syscall "syscall" - -static inline long stub_syscall0(long syscall) -{ - long ret; - - __asm__ volatile (__syscall - : "=a" (ret) - : "0" (syscall) : __syscall_clobber ); - - return ret; -} - -static inline long stub_syscall2(long syscall, long arg1, long arg2) -{ - long ret; - - __asm__ volatile (__syscall - : "=a" (ret) - : "0" (syscall), "D" (arg1), "S" (arg2) : __syscall_clobber ); - - return ret; -} - -static inline long stub_syscall3(long syscall, long arg1, long arg2, long arg3) -{ - long ret; - - __asm__ volatile (__syscall - : "=a" (ret) - : "0" (syscall), "D" (arg1), "S" (arg2), "d" (arg3) - : __syscall_clobber ); - - return ret; -} - -static inline long stub_syscall4(long syscall, long arg1, long arg2, long arg3, - long arg4) -{ - long ret; - - __asm__ volatile ("movq %5,%%r10 ; " __syscall - : "=a" (ret) - : "0" (syscall), "D" (arg1), "S" (arg2), "d" (arg3), - "g" (arg4) - : __syscall_clobber, "r10" ); - - return ret; -} - -static inline long stub_syscall5(long syscall, long arg1, long arg2, long arg3, - long arg4, long arg5) -{ - long ret; - - __asm__ volatile ("movq %5,%%r10 ; movq %6,%%r8 ; " __syscall - : "=a" (ret) - : "0" (syscall), "D" (arg1), "S" (arg2), "d" (arg3), - "g" (arg4), "g" (arg5) - : __syscall_clobber, "r10", "r8" ); - - return ret; -} - -static inline void trap_myself(void) -{ - __asm("int3"); -} - -static inline void remap_stack(long fd, unsigned long offset) -{ - __asm__ volatile ("movq %4,%%r10 ; movq %5,%%r8 ; " - "movq %6, %%r9; " __syscall "; movq %7, %%rbx ; " - "movq %%rax, (%%rbx)": - : "a" (STUB_MMAP_NR), "D" (STUB_DATA), - "S" (UM_KERN_PAGE_SIZE), - "d" (PROT_READ | PROT_WRITE), - "g" (MAP_FIXED | MAP_SHARED), "g" (fd), - "g" (offset), - "i" (&((struct stub_data *) STUB_DATA)->err) - : __syscall_clobber, "r10", "r8", "r9" ); -} - -#endif diff --git a/arch/um/sys-x86_64/sysdep/syscalls.h b/arch/um/sys-x86_64/sysdep/syscalls.h deleted file mode 100644 index 7cfb0b08565..00000000000 --- a/arch/um/sys-x86_64/sysdep/syscalls.h +++ /dev/null @@ -1,33 +0,0 @@ -/* - * Copyright 2003 PathScale, Inc. - * - * Licensed under the GPL - */ - -#ifndef __SYSDEP_X86_64_SYSCALLS_H__ -#define __SYSDEP_X86_64_SYSCALLS_H__ - -#include -#include -#include - -typedef long syscall_handler_t(void); - -extern syscall_handler_t *sys_call_table[]; - -#define EXECUTE_SYSCALL(syscall, regs) \ - (((long (*)(long, long, long, long, long, long)) \ - (*sys_call_table[syscall]))(UPT_SYSCALL_ARG1(®s->regs), \ - UPT_SYSCALL_ARG2(®s->regs), \ - UPT_SYSCALL_ARG3(®s->regs), \ - UPT_SYSCALL_ARG4(®s->regs), \ - UPT_SYSCALL_ARG5(®s->regs), \ - UPT_SYSCALL_ARG6(®s->regs))) - -extern long old_mmap(unsigned long addr, unsigned long len, - unsigned long prot, unsigned long flags, - unsigned long fd, unsigned long pgoff); -extern syscall_handler_t sys_modify_ldt; -extern syscall_handler_t sys_arch_prctl; - -#endif diff --git a/arch/um/sys-x86_64/sysdep/system.h b/arch/um/sys-x86_64/sysdep/system.h deleted file mode 100644 index d1b93c43620..00000000000 --- a/arch/um/sys-x86_64/sysdep/system.h +++ /dev/null @@ -1,132 +0,0 @@ -#ifndef _ASM_X86_SYSTEM_H_ -#define _ASM_X86_SYSTEM_H_ - -#include -#include -#include -#include -#include - -#include -#include - -/* entries in ARCH_DLINFO: */ -#ifdef CONFIG_IA32_EMULATION -# define AT_VECTOR_SIZE_ARCH 2 -#else -# define AT_VECTOR_SIZE_ARCH 1 -#endif - -extern unsigned long arch_align_stack(unsigned long sp); - -void default_idle(void); - -/* - * Force strict CPU ordering. - * And yes, this is required on UP too when we're talking - * to devices. - */ -#ifdef CONFIG_X86_32 -/* - * Some non-Intel clones support out of order store. wmb() ceases to be a - * nop for these. - */ -#define mb() alternative("lock; addl $0,0(%%esp)", "mfence", X86_FEATURE_XMM2) -#define rmb() alternative("lock; addl $0,0(%%esp)", "lfence", X86_FEATURE_XMM2) -#define wmb() alternative("lock; addl $0,0(%%esp)", "sfence", X86_FEATURE_XMM) -#else -#define mb() asm volatile("mfence":::"memory") -#define rmb() asm volatile("lfence":::"memory") -#define wmb() asm volatile("sfence" ::: "memory") -#endif - -/** - * read_barrier_depends - Flush all pending reads that subsequents reads - * depend on. - * - * No data-dependent reads from memory-like regions are ever reordered - * over this barrier. All reads preceding this primitive are guaranteed - * to access memory (but not necessarily other CPUs' caches) before any - * reads following this primitive that depend on the data return by - * any of the preceding reads. This primitive is much lighter weight than - * rmb() on most CPUs, and is never heavier weight than is - * rmb(). - * - * These ordering constraints are respected by both the local CPU - * and the compiler. - * - * Ordering is not guaranteed by anything other than these primitives, - * not even by data dependencies. See the documentation for - * memory_barrier() for examples and URLs to more information. - * - * For example, the following code would force ordering (the initial - * value of "a" is zero, "b" is one, and "p" is "&a"): - * - * - * CPU 0 CPU 1 - * - * b = 2; - * memory_barrier(); - * p = &b; q = p; - * read_barrier_depends(); - * d = *q; - * - * - * because the read of "*q" depends on the read of "p" and these - * two reads are separated by a read_barrier_depends(). However, - * the following code, with the same initial values for "a" and "b": - * - * - * CPU 0 CPU 1 - * - * a = 2; - * memory_barrier(); - * b = 3; y = b; - * read_barrier_depends(); - * x = a; - * - * - * does not enforce ordering, since there is no data dependency between - * the read of "a" and the read of "b". Therefore, on some CPUs, such - * as Alpha, "y" could be set to 3 and "x" to 0. Use rmb() - * in cases like this where there are no data dependencies. - **/ - -#define read_barrier_depends() do { } while (0) - -#ifdef CONFIG_SMP -#define smp_mb() mb() -#ifdef CONFIG_X86_PPRO_FENCE -# define smp_rmb() rmb() -#else -# define smp_rmb() barrier() -#endif -#ifdef CONFIG_X86_OOSTORE -# define smp_wmb() wmb() -#else -# define smp_wmb() barrier() -#endif -#define smp_read_barrier_depends() read_barrier_depends() -#define set_mb(var, value) do { (void)xchg(&var, value); } while (0) -#else -#define smp_mb() barrier() -#define smp_rmb() barrier() -#define smp_wmb() barrier() -#define smp_read_barrier_depends() do { } while (0) -#define set_mb(var, value) do { var = value; barrier(); } while (0) -#endif - -/* - * Stop RDTSC speculation. This is needed when you need to use RDTSC - * (or get_cycles or vread that possibly accesses the TSC) in a defined - * code region. - * - * (Could use an alternative three way for this if there was one.) - */ -static inline void rdtsc_barrier(void) -{ - alternative(ASM_NOP3, "mfence", X86_FEATURE_MFENCE_RDTSC); - alternative(ASM_NOP3, "lfence", X86_FEATURE_LFENCE_RDTSC); -} - -#endif diff --git a/arch/um/sys-x86_64/sysdep/tls.h b/arch/um/sys-x86_64/sysdep/tls.h deleted file mode 100644 index 18c000d0357..00000000000 --- a/arch/um/sys-x86_64/sysdep/tls.h +++ /dev/null @@ -1,29 +0,0 @@ -#ifndef _SYSDEP_TLS_H -#define _SYSDEP_TLS_H - -# ifndef __KERNEL__ - -/* Change name to avoid conflicts with the original one from , which - * may be named user_desc (but in 2.4 and in header matching its API was named - * modify_ldt_ldt_s). */ - -typedef struct um_dup_user_desc { - unsigned int entry_number; - unsigned int base_addr; - unsigned int limit; - unsigned int seg_32bit:1; - unsigned int contents:2; - unsigned int read_exec_only:1; - unsigned int limit_in_pages:1; - unsigned int seg_not_present:1; - unsigned int useable:1; - unsigned int lm:1; -} user_desc_t; - -# else /* __KERNEL__ */ - -# include -typedef struct user_desc user_desc_t; - -# endif /* __KERNEL__ */ -#endif /* _SYSDEP_TLS_H */ diff --git a/arch/um/sys-x86_64/sysdep/vm-flags.h b/arch/um/sys-x86_64/sysdep/vm-flags.h deleted file mode 100644 index 3213edfa788..00000000000 --- a/arch/um/sys-x86_64/sysdep/vm-flags.h +++ /dev/null @@ -1,33 +0,0 @@ -/* - * Copyright (C) 2004 Jeff Dike (jdike@addtoit.com) - * Copyright 2003 PathScale, Inc. - * Licensed under the GPL - */ - -#ifndef __VM_FLAGS_X86_64_H -#define __VM_FLAGS_X86_64_H - -#define __VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \ - VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) -#define __VM_STACK_FLAGS (VM_GROWSDOWN | VM_READ | VM_WRITE | \ - VM_EXEC | VM_MAYREAD | VM_MAYWRITE | \ - VM_MAYEXEC) - -extern unsigned long vm_stack_flags, vm_stack_flags32; -extern unsigned long vm_data_default_flags, vm_data_default_flags32; -extern unsigned long vm_force_exec32; - -#ifdef TIF_IA32 -#define VM_DATA_DEFAULT_FLAGS \ - (test_thread_flag(TIF_IA32) ? vm_data_default_flags32 : \ - vm_data_default_flags) - -#define VM_STACK_DEFAULT_FLAGS \ - (test_thread_flag(TIF_IA32) ? vm_stack_flags32 : vm_stack_flags) -#endif - -#define VM_DATA_DEFAULT_FLAGS vm_data_default_flags - -#define VM_STACK_DEFAULT_FLAGS vm_stack_flags - -#endif -- cgit v1.2.3-70-g09d2