From d41e2d7317cd55cc5135356a05c289537b0f6d70 Mon Sep 17 00:00:00 2001 From: Martin Habets Date: Tue, 21 Oct 2008 21:58:29 -0700 Subject: sparc: Add checkstack support Add sparc support to checkstack. Signed-off-by: Martin Habets Signed-off-by: David S. Miller --- scripts/checkstack.pl | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'scripts') diff --git a/scripts/checkstack.pl b/scripts/checkstack.pl index f7e8e93ff30..14ee68e991d 100755 --- a/scripts/checkstack.pl +++ b/scripts/checkstack.pl @@ -14,6 +14,7 @@ # M68k port by Geert Uytterhoeven and Andreas Schwab # AVR32 port by Haavard Skinnemoen # PARISC port by Kyle McMartin +# sparc port by Martin Habets # # Usage: # objdump -d vmlinux | scripts/checkstack.pl [arch] @@ -94,6 +95,9 @@ my (@stack, $re, $dre, $x, $xs); } elsif ($arch =~ /^blackfin$/) { # 0: 00 e8 38 01 LINK 0x4e0; $re = qr/.*[[:space:]]LINK[[:space:]]*(0x$x{1,8})/o; + } elsif ($arch eq 'sparc' || $arch eq 'sparc64') { + # f0019d10: 9d e3 bf 90 save %sp, -112, %sp + $re = qr/.*save.*%sp, -(([0-9]{2}|[3-9])[0-9]{2}), %sp/o; } else { print("wrong or unknown architecture \"$arch\"\n"); exit -- cgit v1.2.3-70-g09d2 From bb8985586b7a906e116db835c64773b7a7d51663 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 17 Aug 2008 21:05:42 -0400 Subject: x86, um: ... and asm-x86 move Signed-off-by: Al Viro Signed-off-by: H. Peter Anvin --- arch/ia64/ia32/audit.c | 2 +- arch/um/Makefile | 4 +- arch/um/sys-x86_64/syscall_table.c | 4 +- arch/x86/Makefile | 6 +- arch/x86/include/asm/Kbuild | 24 + arch/x86/include/asm/a.out-core.h | 73 + arch/x86/include/asm/a.out.h | 20 + arch/x86/include/asm/acpi.h | 178 +++ arch/x86/include/asm/agp.h | 35 + arch/x86/include/asm/alternative-asm.h | 22 + arch/x86/include/asm/alternative.h | 183 +++ arch/x86/include/asm/amd_iommu.h | 35 + arch/x86/include/asm/amd_iommu_types.h | 404 +++++ arch/x86/include/asm/apic.h | 199 +++ arch/x86/include/asm/apicdef.h | 417 ++++++ arch/x86/include/asm/arch_hooks.h | 26 + arch/x86/include/asm/asm.h | 47 + arch/x86/include/asm/atomic.h | 5 + arch/x86/include/asm/atomic_32.h | 259 ++++ arch/x86/include/asm/atomic_64.h | 473 ++++++ arch/x86/include/asm/auxvec.h | 12 + arch/x86/include/asm/bigsmp/apic.h | 139 ++ arch/x86/include/asm/bigsmp/apicdef.h | 13 + arch/x86/include/asm/bigsmp/ipi.h | 25 + arch/x86/include/asm/bios_ebda.h | 36 + arch/x86/include/asm/bitops.h | 451 ++++++ arch/x86/include/asm/boot.h | 26 + arch/x86/include/asm/bootparam.h | 111 ++ arch/x86/include/asm/bug.h | 39 + arch/x86/include/asm/bugs.h | 12 + arch/x86/include/asm/byteorder.h | 81 + arch/x86/include/asm/cache.h | 20 + arch/x86/include/asm/cacheflush.h | 118 ++ arch/x86/include/asm/calgary.h | 72 + arch/x86/include/asm/calling.h | 170 +++ arch/x86/include/asm/checksum.h | 5 + arch/x86/include/asm/checksum_32.h | 189 +++ arch/x86/include/asm/checksum_64.h | 191 +++ arch/x86/include/asm/cmpxchg.h | 5 + arch/x86/include/asm/cmpxchg_32.h | 344 +++++ arch/x86/include/asm/cmpxchg_64.h | 185 +++ arch/x86/include/asm/compat.h | 218 +++ arch/x86/include/asm/cpu.h | 20 + arch/x86/include/asm/cpufeature.h | 271 ++++ arch/x86/include/asm/cputime.h | 1 + arch/x86/include/asm/current.h | 39 + arch/x86/include/asm/debugreg.h | 70 + arch/x86/include/asm/delay.h | 31 + arch/x86/include/asm/desc.h | 409 +++++ arch/x86/include/asm/desc_defs.h | 95 ++ arch/x86/include/asm/device.h | 16 + arch/x86/include/asm/div64.h | 60 + arch/x86/include/asm/dma-mapping.h | 308 ++++ arch/x86/include/asm/dma.h | 318 ++++ arch/x86/include/asm/dmi.h | 26 + arch/x86/include/asm/ds.h | 238 +++ arch/x86/include/asm/dwarf2.h | 61 + arch/x86/include/asm/e820.h | 146 ++ arch/x86/include/asm/edac.h | 18 + arch/x86/include/asm/efi.h | 110 ++ arch/x86/include/asm/elf.h | 336 +++++ arch/x86/include/asm/emergency-restart.h | 18 + arch/x86/include/asm/errno.h | 1 + arch/x86/include/asm/es7000/apic.h | 193 +++ arch/x86/include/asm/es7000/apicdef.h | 13 + arch/x86/include/asm/es7000/ipi.h | 24 + arch/x86/include/asm/es7000/mpparse.h | 30 + arch/x86/include/asm/es7000/wakecpu.h | 59 + arch/x86/include/asm/fb.h | 21 + arch/x86/include/asm/fcntl.h | 1 + arch/x86/include/asm/fixmap.h | 68 + arch/x86/include/asm/fixmap_32.h | 123 ++ arch/x86/include/asm/fixmap_64.h | 83 ++ arch/x86/include/asm/floppy.h | 281 ++++ arch/x86/include/asm/frame.h | 27 + arch/x86/include/asm/ftrace.h | 24 + arch/x86/include/asm/futex.h | 140 ++ arch/x86/include/asm/gart.h | 73 + arch/x86/include/asm/genapic.h | 5 + arch/x86/include/asm/genapic_32.h | 126 ++ arch/x86/include/asm/genapic_64.h | 58 + arch/x86/include/asm/geode.h | 253 ++++ arch/x86/include/asm/gpio.h | 56 + arch/x86/include/asm/hardirq.h | 11 + arch/x86/include/asm/hardirq_32.h | 28 + arch/x86/include/asm/hardirq_64.h | 23 + arch/x86/include/asm/highmem.h | 82 + arch/x86/include/asm/hpet.h | 114 ++ arch/x86/include/asm/hugetlb.h | 93 ++ arch/x86/include/asm/hw_irq.h | 131 ++ arch/x86/include/asm/hypertransport.h | 45 + arch/x86/include/asm/i387.h | 400 +++++ arch/x86/include/asm/i8253.h | 18 + arch/x86/include/asm/i8259.h | 63 + arch/x86/include/asm/ia32.h | 170 +++ arch/x86/include/asm/ia32_unistd.h | 18 + arch/x86/include/asm/idle.h | 15 + arch/x86/include/asm/intel_arch_perfmon.h | 31 + arch/x86/include/asm/io.h | 91 ++ arch/x86/include/asm/io_32.h | 284 ++++ arch/x86/include/asm/io_64.h | 244 +++ arch/x86/include/asm/io_apic.h | 204 +++ arch/x86/include/asm/ioctl.h | 1 + arch/x86/include/asm/ioctls.h | 94 ++ arch/x86/include/asm/iommu.h | 46 + arch/x86/include/asm/ipcbuf.h | 28 + arch/x86/include/asm/ipi.h | 138 ++ arch/x86/include/asm/irq.h | 50 + arch/x86/include/asm/irq_regs.h | 5 + arch/x86/include/asm/irq_regs_32.h | 29 + arch/x86/include/asm/irq_regs_64.h | 1 + arch/x86/include/asm/irq_remapping.h | 8 + arch/x86/include/asm/irq_vectors.h | 164 ++ arch/x86/include/asm/irqflags.h | 211 +++ arch/x86/include/asm/ist.h | 34 + arch/x86/include/asm/k8.h | 15 + arch/x86/include/asm/kdebug.h | 37 + arch/x86/include/asm/kexec.h | 175 +++ arch/x86/include/asm/kgdb.h | 79 + arch/x86/include/asm/kmap_types.h | 29 + arch/x86/include/asm/kprobes.h | 88 ++ arch/x86/include/asm/kvm.h | 211 +++ arch/x86/include/asm/kvm_host.h | 752 ++++++++++ arch/x86/include/asm/kvm_para.h | 147 ++ arch/x86/include/asm/kvm_x86_emulate.h | 184 +++ arch/x86/include/asm/ldt.h | 40 + arch/x86/include/asm/lguest.h | 94 ++ arch/x86/include/asm/lguest_hcall.h | 71 + arch/x86/include/asm/linkage.h | 61 + arch/x86/include/asm/local.h | 235 +++ arch/x86/include/asm/mach-default/apm.h | 73 + arch/x86/include/asm/mach-default/do_timer.h | 16 + arch/x86/include/asm/mach-default/entry_arch.h | 36 + arch/x86/include/asm/mach-default/mach_apic.h | 156 ++ arch/x86/include/asm/mach-default/mach_apicdef.h | 24 + arch/x86/include/asm/mach-default/mach_ipi.h | 64 + arch/x86/include/asm/mach-default/mach_mpparse.h | 17 + arch/x86/include/asm/mach-default/mach_mpspec.h | 12 + arch/x86/include/asm/mach-default/mach_timer.h | 48 + arch/x86/include/asm/mach-default/mach_traps.h | 33 + arch/x86/include/asm/mach-default/mach_wakecpu.h | 42 + arch/x86/include/asm/mach-default/pci-functions.h | 19 + arch/x86/include/asm/mach-default/setup_arch.h | 3 + arch/x86/include/asm/mach-default/smpboot_hooks.h | 59 + arch/x86/include/asm/mach-generic/gpio.h | 15 + arch/x86/include/asm/mach-generic/mach_apic.h | 33 + arch/x86/include/asm/mach-generic/mach_apicdef.h | 11 + arch/x86/include/asm/mach-generic/mach_ipi.h | 10 + arch/x86/include/asm/mach-generic/mach_mpparse.h | 10 + arch/x86/include/asm/mach-generic/mach_mpspec.h | 12 + arch/x86/include/asm/mach-rdc321x/gpio.h | 60 + arch/x86/include/asm/mach-rdc321x/rdc321x_defs.h | 12 + arch/x86/include/asm/mach-voyager/do_timer.h | 17 + arch/x86/include/asm/mach-voyager/entry_arch.h | 26 + arch/x86/include/asm/mach-voyager/setup_arch.h | 12 + arch/x86/include/asm/math_emu.h | 31 + arch/x86/include/asm/mc146818rtc.h | 104 ++ arch/x86/include/asm/mca.h | 43 + arch/x86/include/asm/mca_dma.h | 201 +++ arch/x86/include/asm/mce.h | 130 ++ arch/x86/include/asm/microcode.h | 47 + arch/x86/include/asm/mman.h | 20 + arch/x86/include/asm/mmconfig.h | 12 + arch/x86/include/asm/mmu.h | 26 + arch/x86/include/asm/mmu_context.h | 37 + arch/x86/include/asm/mmu_context_32.h | 56 + arch/x86/include/asm/mmu_context_64.h | 54 + arch/x86/include/asm/mmx.h | 14 + arch/x86/include/asm/mmzone.h | 5 + arch/x86/include/asm/mmzone_32.h | 134 ++ arch/x86/include/asm/mmzone_64.h | 51 + arch/x86/include/asm/module.h | 80 + arch/x86/include/asm/mpspec.h | 145 ++ arch/x86/include/asm/mpspec_def.h | 180 +++ arch/x86/include/asm/msgbuf.h | 39 + arch/x86/include/asm/msidef.h | 55 + arch/x86/include/asm/msr-index.h | 332 +++++ arch/x86/include/asm/msr.h | 247 +++ arch/x86/include/asm/mtrr.h | 173 +++ arch/x86/include/asm/mutex.h | 5 + arch/x86/include/asm/mutex_32.h | 125 ++ arch/x86/include/asm/mutex_64.h | 100 ++ arch/x86/include/asm/nmi.h | 81 + arch/x86/include/asm/nops.h | 118 ++ arch/x86/include/asm/numa.h | 5 + arch/x86/include/asm/numa_32.h | 11 + arch/x86/include/asm/numa_64.h | 43 + arch/x86/include/asm/numaq.h | 169 +++ arch/x86/include/asm/numaq/apic.h | 136 ++ arch/x86/include/asm/numaq/apicdef.h | 14 + arch/x86/include/asm/numaq/ipi.h | 25 + arch/x86/include/asm/numaq/mpparse.h | 7 + arch/x86/include/asm/numaq/wakecpu.h | 43 + arch/x86/include/asm/olpc.h | 132 ++ arch/x86/include/asm/page.h | 209 +++ arch/x86/include/asm/page_32.h | 136 ++ arch/x86/include/asm/page_64.h | 105 ++ arch/x86/include/asm/param.h | 22 + arch/x86/include/asm/paravirt.h | 1650 +++++++++++++++++++++ arch/x86/include/asm/parport.h | 10 + arch/x86/include/asm/pat.h | 22 + arch/x86/include/asm/pci-direct.h | 21 + arch/x86/include/asm/pci.h | 114 ++ arch/x86/include/asm/pci_32.h | 34 + arch/x86/include/asm/pci_64.h | 66 + arch/x86/include/asm/pda.h | 137 ++ arch/x86/include/asm/percpu.h | 218 +++ arch/x86/include/asm/pgalloc.h | 114 ++ arch/x86/include/asm/pgtable-2level-defs.h | 20 + arch/x86/include/asm/pgtable-2level.h | 79 + arch/x86/include/asm/pgtable-3level-defs.h | 28 + arch/x86/include/asm/pgtable-3level.h | 175 +++ arch/x86/include/asm/pgtable.h | 561 +++++++ arch/x86/include/asm/pgtable_32.h | 191 +++ arch/x86/include/asm/pgtable_64.h | 285 ++++ arch/x86/include/asm/poll.h | 1 + arch/x86/include/asm/posix_types.h | 13 + arch/x86/include/asm/posix_types_32.h | 85 ++ arch/x86/include/asm/posix_types_64.h | 119 ++ arch/x86/include/asm/prctl.h | 10 + arch/x86/include/asm/processor-cyrix.h | 38 + arch/x86/include/asm/processor-flags.h | 100 ++ arch/x86/include/asm/processor.h | 936 ++++++++++++ arch/x86/include/asm/proto.h | 32 + arch/x86/include/asm/ptrace-abi.h | 145 ++ arch/x86/include/asm/ptrace.h | 280 ++++ arch/x86/include/asm/pvclock-abi.h | 42 + arch/x86/include/asm/pvclock.h | 14 + arch/x86/include/asm/reboot.h | 21 + arch/x86/include/asm/reboot_fixups.h | 6 + arch/x86/include/asm/required-features.h | 82 + arch/x86/include/asm/resource.h | 1 + arch/x86/include/asm/resume-trace.h | 21 + arch/x86/include/asm/rio.h | 63 + arch/x86/include/asm/rtc.h | 1 + arch/x86/include/asm/rwlock.h | 8 + arch/x86/include/asm/rwsem.h | 265 ++++ arch/x86/include/asm/scatterlist.h | 33 + arch/x86/include/asm/seccomp.h | 5 + arch/x86/include/asm/seccomp_32.h | 17 + arch/x86/include/asm/seccomp_64.h | 25 + arch/x86/include/asm/sections.h | 1 + arch/x86/include/asm/segment.h | 209 +++ arch/x86/include/asm/sembuf.h | 24 + arch/x86/include/asm/serial.h | 29 + arch/x86/include/asm/setup.h | 105 ++ arch/x86/include/asm/shmbuf.h | 51 + arch/x86/include/asm/shmparam.h | 6 + arch/x86/include/asm/sigcontext.h | 284 ++++ arch/x86/include/asm/sigcontext32.h | 75 + arch/x86/include/asm/siginfo.h | 10 + arch/x86/include/asm/signal.h | 262 ++++ arch/x86/include/asm/smp.h | 229 +++ arch/x86/include/asm/socket.h | 57 + arch/x86/include/asm/sockios.h | 13 + arch/x86/include/asm/sparsemem.h | 34 + arch/x86/include/asm/spinlock.h | 364 +++++ arch/x86/include/asm/spinlock_types.h | 20 + arch/x86/include/asm/srat.h | 39 + arch/x86/include/asm/stacktrace.h | 21 + arch/x86/include/asm/stat.h | 114 ++ arch/x86/include/asm/statfs.h | 12 + arch/x86/include/asm/string.h | 5 + arch/x86/include/asm/string_32.h | 326 ++++ arch/x86/include/asm/string_64.h | 60 + arch/x86/include/asm/summit/apic.h | 184 +++ arch/x86/include/asm/summit/apicdef.h | 13 + arch/x86/include/asm/summit/ipi.h | 25 + arch/x86/include/asm/summit/mpparse.h | 109 ++ arch/x86/include/asm/suspend.h | 5 + arch/x86/include/asm/suspend_32.h | 51 + arch/x86/include/asm/suspend_64.h | 52 + arch/x86/include/asm/swiotlb.h | 58 + arch/x86/include/asm/sync_bitops.h | 130 ++ arch/x86/include/asm/syscall.h | 211 +++ arch/x86/include/asm/syscalls.h | 93 ++ arch/x86/include/asm/system.h | 425 ++++++ arch/x86/include/asm/system_64.h | 22 + arch/x86/include/asm/tce.h | 48 + arch/x86/include/asm/termbits.h | 198 +++ arch/x86/include/asm/termios.h | 113 ++ arch/x86/include/asm/therm_throt.h | 9 + arch/x86/include/asm/thread_info.h | 264 ++++ arch/x86/include/asm/time.h | 63 + arch/x86/include/asm/timer.h | 66 + arch/x86/include/asm/timex.h | 19 + arch/x86/include/asm/tlb.h | 11 + arch/x86/include/asm/tlbflush.h | 178 +++ arch/x86/include/asm/topology.h | 258 ++++ arch/x86/include/asm/trampoline.h | 21 + arch/x86/include/asm/traps.h | 81 + arch/x86/include/asm/tsc.h | 62 + arch/x86/include/asm/types.h | 36 + arch/x86/include/asm/uaccess.h | 454 ++++++ arch/x86/include/asm/uaccess_32.h | 218 +++ arch/x86/include/asm/uaccess_64.h | 202 +++ arch/x86/include/asm/ucontext.h | 18 + arch/x86/include/asm/unaligned.h | 14 + arch/x86/include/asm/unistd.h | 13 + arch/x86/include/asm/unistd_32.h | 379 +++++ arch/x86/include/asm/unistd_64.h | 693 +++++++++ arch/x86/include/asm/unwind.h | 13 + arch/x86/include/asm/user.h | 5 + arch/x86/include/asm/user32.h | 70 + arch/x86/include/asm/user_32.h | 131 ++ arch/x86/include/asm/user_64.h | 137 ++ arch/x86/include/asm/uv/bios.h | 94 ++ arch/x86/include/asm/uv/uv_bau.h | 332 +++++ arch/x86/include/asm/uv/uv_hub.h | 354 +++++ arch/x86/include/asm/uv/uv_irq.h | 36 + arch/x86/include/asm/uv/uv_mmrs.h | 1295 ++++++++++++++++ arch/x86/include/asm/vdso.h | 47 + arch/x86/include/asm/vga.h | 20 + arch/x86/include/asm/vgtod.h | 29 + arch/x86/include/asm/vic.h | 61 + arch/x86/include/asm/visws/cobalt.h | 125 ++ arch/x86/include/asm/visws/lithium.h | 53 + arch/x86/include/asm/visws/piix4.h | 107 ++ arch/x86/include/asm/visws/sgivw.h | 5 + arch/x86/include/asm/vm86.h | 208 +++ arch/x86/include/asm/vmi.h | 263 ++++ arch/x86/include/asm/vmi_time.h | 98 ++ arch/x86/include/asm/voyager.h | 528 +++++++ arch/x86/include/asm/vsyscall.h | 44 + arch/x86/include/asm/xcr.h | 49 + arch/x86/include/asm/xen/events.h | 24 + arch/x86/include/asm/xen/grant_table.h | 7 + arch/x86/include/asm/xen/hypercall.h | 527 +++++++ arch/x86/include/asm/xen/hypervisor.h | 82 + arch/x86/include/asm/xen/interface.h | 175 +++ arch/x86/include/asm/xen/interface_32.h | 97 ++ arch/x86/include/asm/xen/interface_64.h | 159 ++ arch/x86/include/asm/xen/page.h | 165 +++ arch/x86/include/asm/xor.h | 5 + arch/x86/include/asm/xor_32.h | 888 +++++++++++ arch/x86/include/asm/xor_64.h | 361 +++++ arch/x86/include/asm/xsave.h | 118 ++ arch/x86/kernel/cpu/Makefile | 2 +- drivers/xen/cpu_hotplug.c | 2 +- include/asm-x86/Kbuild | 24 - include/asm-x86/a.out-core.h | 73 - include/asm-x86/a.out.h | 20 - include/asm-x86/acpi.h | 178 --- include/asm-x86/agp.h | 35 - include/asm-x86/alternative-asm.h | 22 - include/asm-x86/alternative.h | 183 --- include/asm-x86/amd_iommu.h | 35 - include/asm-x86/amd_iommu_types.h | 404 ----- include/asm-x86/apic.h | 199 --- include/asm-x86/apicdef.h | 417 ------ include/asm-x86/arch_hooks.h | 26 - include/asm-x86/asm.h | 47 - include/asm-x86/atomic.h | 5 - include/asm-x86/atomic_32.h | 259 ---- include/asm-x86/atomic_64.h | 473 ------ include/asm-x86/auxvec.h | 12 - include/asm-x86/bigsmp/apic.h | 139 -- include/asm-x86/bigsmp/apicdef.h | 13 - include/asm-x86/bigsmp/ipi.h | 25 - include/asm-x86/bios_ebda.h | 36 - include/asm-x86/bitops.h | 451 ------ include/asm-x86/boot.h | 26 - include/asm-x86/bootparam.h | 111 -- include/asm-x86/bug.h | 39 - include/asm-x86/bugs.h | 12 - include/asm-x86/byteorder.h | 81 - include/asm-x86/cache.h | 20 - include/asm-x86/cacheflush.h | 118 -- include/asm-x86/calgary.h | 72 - include/asm-x86/calling.h | 170 --- include/asm-x86/checksum.h | 5 - include/asm-x86/checksum_32.h | 189 --- include/asm-x86/checksum_64.h | 191 --- include/asm-x86/cmpxchg.h | 5 - include/asm-x86/cmpxchg_32.h | 344 ----- include/asm-x86/cmpxchg_64.h | 185 --- include/asm-x86/compat.h | 218 --- include/asm-x86/cpu.h | 20 - include/asm-x86/cpufeature.h | 271 ---- include/asm-x86/cputime.h | 1 - include/asm-x86/current.h | 39 - include/asm-x86/debugreg.h | 70 - include/asm-x86/delay.h | 31 - include/asm-x86/desc.h | 409 ----- include/asm-x86/desc_defs.h | 95 -- include/asm-x86/device.h | 16 - include/asm-x86/div64.h | 60 - include/asm-x86/dma-mapping.h | 308 ---- include/asm-x86/dma.h | 318 ---- include/asm-x86/dmi.h | 26 - include/asm-x86/ds.h | 238 --- include/asm-x86/dwarf2.h | 61 - include/asm-x86/e820.h | 146 -- include/asm-x86/edac.h | 18 - include/asm-x86/efi.h | 110 -- include/asm-x86/elf.h | 336 ----- include/asm-x86/emergency-restart.h | 18 - include/asm-x86/errno.h | 1 - include/asm-x86/es7000/apic.h | 193 --- include/asm-x86/es7000/apicdef.h | 13 - include/asm-x86/es7000/ipi.h | 24 - include/asm-x86/es7000/mpparse.h | 30 - include/asm-x86/es7000/wakecpu.h | 59 - include/asm-x86/fb.h | 21 - include/asm-x86/fcntl.h | 1 - include/asm-x86/fixmap.h | 68 - include/asm-x86/fixmap_32.h | 123 -- include/asm-x86/fixmap_64.h | 83 -- include/asm-x86/floppy.h | 281 ---- include/asm-x86/frame.h | 27 - include/asm-x86/ftrace.h | 24 - include/asm-x86/futex.h | 140 -- include/asm-x86/gart.h | 73 - include/asm-x86/genapic.h | 5 - include/asm-x86/genapic_32.h | 126 -- include/asm-x86/genapic_64.h | 58 - include/asm-x86/geode.h | 253 ---- include/asm-x86/gpio.h | 56 - include/asm-x86/hardirq.h | 11 - include/asm-x86/hardirq_32.h | 28 - include/asm-x86/hardirq_64.h | 23 - include/asm-x86/highmem.h | 82 - include/asm-x86/hpet.h | 114 -- 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include/asm-x86/mach-default/pci-functions.h | 19 - include/asm-x86/mach-default/setup_arch.h | 3 - include/asm-x86/mach-default/smpboot_hooks.h | 59 - include/asm-x86/mach-generic/gpio.h | 15 - include/asm-x86/mach-generic/mach_apic.h | 33 - include/asm-x86/mach-generic/mach_apicdef.h | 11 - include/asm-x86/mach-generic/mach_ipi.h | 10 - include/asm-x86/mach-generic/mach_mpparse.h | 10 - include/asm-x86/mach-generic/mach_mpspec.h | 12 - include/asm-x86/mach-rdc321x/gpio.h | 60 - include/asm-x86/mach-rdc321x/rdc321x_defs.h | 12 - include/asm-x86/mach-voyager/do_timer.h | 17 - include/asm-x86/mach-voyager/entry_arch.h | 26 - include/asm-x86/mach-voyager/setup_arch.h | 12 - include/asm-x86/math_emu.h | 31 - include/asm-x86/mc146818rtc.h | 104 -- include/asm-x86/mca.h | 43 - include/asm-x86/mca_dma.h | 201 --- include/asm-x86/mce.h | 130 -- include/asm-x86/microcode.h | 47 - include/asm-x86/mman.h | 20 - include/asm-x86/mmconfig.h | 12 - include/asm-x86/mmu.h | 26 - 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43 - include/asm-x86/olpc.h | 132 -- include/asm-x86/page.h | 209 --- include/asm-x86/page_32.h | 136 -- include/asm-x86/page_64.h | 105 -- include/asm-x86/param.h | 22 - include/asm-x86/paravirt.h | 1650 --------------------- include/asm-x86/parport.h | 10 - include/asm-x86/pat.h | 22 - include/asm-x86/pci-direct.h | 21 - include/asm-x86/pci.h | 114 -- include/asm-x86/pci_32.h | 34 - include/asm-x86/pci_64.h | 66 - include/asm-x86/pda.h | 137 -- include/asm-x86/percpu.h | 218 --- include/asm-x86/pgalloc.h | 114 -- include/asm-x86/pgtable-2level-defs.h | 20 - include/asm-x86/pgtable-2level.h | 79 - include/asm-x86/pgtable-3level-defs.h | 28 - include/asm-x86/pgtable-3level.h | 175 --- include/asm-x86/pgtable.h | 561 ------- include/asm-x86/pgtable_32.h | 191 --- include/asm-x86/pgtable_64.h | 285 ---- include/asm-x86/poll.h | 1 - include/asm-x86/posix_types.h | 13 - include/asm-x86/posix_types_32.h | 85 -- include/asm-x86/posix_types_64.h | 119 -- include/asm-x86/prctl.h | 10 - include/asm-x86/processor-cyrix.h | 38 - include/asm-x86/processor-flags.h | 100 -- include/asm-x86/processor.h | 936 ------------ include/asm-x86/proto.h | 32 - include/asm-x86/ptrace-abi.h | 145 -- include/asm-x86/ptrace.h | 280 ---- include/asm-x86/pvclock-abi.h | 42 - include/asm-x86/pvclock.h | 14 - include/asm-x86/reboot.h | 21 - include/asm-x86/reboot_fixups.h | 6 - include/asm-x86/required-features.h | 82 - include/asm-x86/resource.h | 1 - include/asm-x86/resume-trace.h | 21 - include/asm-x86/rio.h | 63 - include/asm-x86/rtc.h | 1 - include/asm-x86/rwlock.h | 8 - include/asm-x86/rwsem.h | 265 ---- include/asm-x86/scatterlist.h | 33 - include/asm-x86/seccomp.h | 5 - include/asm-x86/seccomp_32.h | 17 - include/asm-x86/seccomp_64.h | 25 - include/asm-x86/sections.h | 1 - include/asm-x86/segment.h | 209 --- include/asm-x86/sembuf.h | 24 - include/asm-x86/serial.h | 29 - include/asm-x86/setup.h | 105 -- include/asm-x86/shmbuf.h | 51 - include/asm-x86/shmparam.h | 6 - 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159 -- include/asm-x86/xen/page.h | 165 --- include/asm-x86/xor.h | 5 - include/asm-x86/xor_32.h | 888 ----------- include/asm-x86/xor_64.h | 361 ----- include/asm-x86/xsave.h | 118 -- scripts/checksyscalls.sh | 2 +- 673 files changed, 38683 insertions(+), 38683 deletions(-) create mode 100644 arch/x86/include/asm/Kbuild create mode 100644 arch/x86/include/asm/a.out-core.h create mode 100644 arch/x86/include/asm/a.out.h create mode 100644 arch/x86/include/asm/acpi.h create mode 100644 arch/x86/include/asm/agp.h create mode 100644 arch/x86/include/asm/alternative-asm.h create mode 100644 arch/x86/include/asm/alternative.h create mode 100644 arch/x86/include/asm/amd_iommu.h create mode 100644 arch/x86/include/asm/amd_iommu_types.h create mode 100644 arch/x86/include/asm/apic.h create mode 100644 arch/x86/include/asm/apicdef.h create mode 100644 arch/x86/include/asm/arch_hooks.h create mode 100644 arch/x86/include/asm/asm.h create mode 100644 arch/x86/include/asm/atomic.h create mode 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delete mode 100644 include/asm-x86/xen/interface.h delete mode 100644 include/asm-x86/xen/interface_32.h delete mode 100644 include/asm-x86/xen/interface_64.h delete mode 100644 include/asm-x86/xen/page.h delete mode 100644 include/asm-x86/xor.h delete mode 100644 include/asm-x86/xor_32.h delete mode 100644 include/asm-x86/xor_64.h delete mode 100644 include/asm-x86/xsave.h (limited to 'scripts') diff --git a/arch/ia64/ia32/audit.c b/arch/ia64/ia32/audit.c index 5e901c75df1..5c93ddd1e42 100644 --- a/arch/ia64/ia32/audit.c +++ b/arch/ia64/ia32/audit.c @@ -1,4 +1,4 @@ -#include +#include "../../x86/include/asm/unistd_32.h" unsigned ia32_dir_class[] = { #include diff --git a/arch/um/Makefile b/arch/um/Makefile index 94fb24ea5af..4fc79f3030e 100644 --- a/arch/um/Makefile +++ b/arch/um/Makefile @@ -156,9 +156,9 @@ $(ARCH_DIR)/include/asm/arch: @echo ' SYMLINK $@' ifneq ($(KBUILD_SRC),) $(Q)mkdir -p $(objtree)/$(ARCH_DIR)/include/asm - $(Q)ln -fsn $(srctree)/include/asm-$(HEADER_ARCH) $@ + $(Q)ln -fsn $(srctree)/arch/$(HEADER_ARCH)/include/asm $@ else - $(Q)ln -fsn ../../../../include/asm-$(HEADER_ARCH) $@ + $(Q)ln -fsn ../../../$(HEADER_ARCH)/include/asm $@ endif $(objtree)/$(ARCH_DIR)/include/shared: diff --git a/arch/um/sys-x86_64/syscall_table.c b/arch/um/sys-x86_64/syscall_table.c index 32f5fbe2d0d..ef42ec01eaf 100644 --- a/arch/um/sys-x86_64/syscall_table.c +++ b/arch/um/sys-x86_64/syscall_table.c @@ -42,7 +42,7 @@ #define __SYSCALL(nr, sym) extern asmlinkage void sym(void) ; #undef ASM_X86__UNISTD_64_H -#include +#include "../../x86/include/asm/unistd_64.h" #undef __SYSCALL #define __SYSCALL(nr, sym) [ nr ] = sym, @@ -64,7 +64,7 @@ extern void sys_ni_syscall(void); */ sys_call_ptr_t sys_call_table[] __cacheline_aligned = { -#include +#include "../../x86/include/asm/unistd_64.h" }; int syscall_table_size = sizeof(sys_call_table); diff --git a/arch/x86/Makefile b/arch/x86/Makefile index f5631da585b..d1a47adb5ae 100644 --- a/arch/x86/Makefile +++ b/arch/x86/Makefile @@ -110,16 +110,16 @@ KBUILD_CFLAGS += $(call cc-option,-mno-sse -mno-mmx -mno-sse2 -mno-3dnow,) mcore-y := arch/x86/mach-default/ # Voyager subarch support -mflags-$(CONFIG_X86_VOYAGER) := -Iinclude/asm-x86/mach-voyager +mflags-$(CONFIG_X86_VOYAGER) := -Iarch/x86/include/asm/mach-voyager mcore-$(CONFIG_X86_VOYAGER) := arch/x86/mach-voyager/ # generic subarchitecture -mflags-$(CONFIG_X86_GENERICARCH):= -Iinclude/asm-x86/mach-generic +mflags-$(CONFIG_X86_GENERICARCH):= -Iarch/x86/include/asm/mach-generic fcore-$(CONFIG_X86_GENERICARCH) += arch/x86/mach-generic/ mcore-$(CONFIG_X86_GENERICARCH) := arch/x86/mach-default/ # default subarch .h files -mflags-y += -Iinclude/asm-x86/mach-default +mflags-y += -Iarch/x86/include/asm/mach-default # 64 bit does not support subarch support - clear sub arch variables fcore-$(CONFIG_X86_64) := diff --git a/arch/x86/include/asm/Kbuild b/arch/x86/include/asm/Kbuild new file mode 100644 index 00000000000..4a8e80cdcfa --- /dev/null +++ b/arch/x86/include/asm/Kbuild @@ -0,0 +1,24 @@ +include include/asm-generic/Kbuild.asm + +header-y += boot.h +header-y += bootparam.h +header-y += debugreg.h +header-y += ldt.h +header-y += msr-index.h +header-y += prctl.h +header-y += ptrace-abi.h +header-y += sigcontext32.h +header-y += ucontext.h +header-y += processor-flags.h + +unifdef-y += e820.h +unifdef-y += ist.h +unifdef-y += mce.h +unifdef-y += msr.h +unifdef-y += mtrr.h +unifdef-y += posix_types_32.h +unifdef-y += posix_types_64.h +unifdef-y += unistd_32.h +unifdef-y += unistd_64.h +unifdef-y += vm86.h +unifdef-y += vsyscall.h diff --git a/arch/x86/include/asm/a.out-core.h b/arch/x86/include/asm/a.out-core.h new file mode 100644 index 00000000000..f5705761a37 --- /dev/null +++ b/arch/x86/include/asm/a.out-core.h @@ -0,0 +1,73 @@ +/* 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 ASM_X86__A_OUT_CORE_H +#define ASM_X86__A_OUT_CORE_H + +#ifdef __KERNEL__ +#ifdef CONFIG_X86_32 + +#include +#include + +/* + * fill in the user structure for an a.out core dump + */ +static inline void aout_dump_thread(struct pt_regs *regs, struct user *dump) +{ + u16 gs; + +/* changed the size calculations - should hopefully work better. lbt */ + dump->magic = CMAGIC; + dump->start_code = 0; + dump->start_stack = regs->sp & ~(PAGE_SIZE - 1); + dump->u_tsize = ((unsigned long)current->mm->end_code) >> PAGE_SHIFT; + dump->u_dsize = ((unsigned long)(current->mm->brk + (PAGE_SIZE - 1))) + >> PAGE_SHIFT; + dump->u_dsize -= dump->u_tsize; + dump->u_ssize = 0; + dump->u_debugreg[0] = current->thread.debugreg0; + dump->u_debugreg[1] = current->thread.debugreg1; + dump->u_debugreg[2] = current->thread.debugreg2; + dump->u_debugreg[3] = current->thread.debugreg3; + dump->u_debugreg[4] = 0; + dump->u_debugreg[5] = 0; + dump->u_debugreg[6] = current->thread.debugreg6; + dump->u_debugreg[7] = current->thread.debugreg7; + + if (dump->start_stack < TASK_SIZE) + dump->u_ssize = ((unsigned long)(TASK_SIZE - dump->start_stack)) + >> PAGE_SHIFT; + + dump->regs.bx = regs->bx; + dump->regs.cx = regs->cx; + dump->regs.dx = regs->dx; + dump->regs.si = regs->si; + dump->regs.di = regs->di; + dump->regs.bp = regs->bp; + dump->regs.ax = regs->ax; + dump->regs.ds = (u16)regs->ds; + dump->regs.es = (u16)regs->es; + dump->regs.fs = (u16)regs->fs; + savesegment(gs, gs); + dump->regs.orig_ax = regs->orig_ax; + dump->regs.ip = regs->ip; + dump->regs.cs = (u16)regs->cs; + dump->regs.flags = regs->flags; + dump->regs.sp = regs->sp; + dump->regs.ss = (u16)regs->ss; + + dump->u_fpvalid = dump_fpu(regs, &dump->i387); +} + +#endif /* CONFIG_X86_32 */ +#endif /* __KERNEL__ */ +#endif /* ASM_X86__A_OUT_CORE_H */ diff --git a/arch/x86/include/asm/a.out.h b/arch/x86/include/asm/a.out.h new file mode 100644 index 00000000000..0948748bc69 --- /dev/null +++ b/arch/x86/include/asm/a.out.h @@ -0,0 +1,20 @@ +#ifndef ASM_X86__A_OUT_H +#define ASM_X86__A_OUT_H + +struct exec +{ + unsigned int a_info; /* Use macros N_MAGIC, etc for access */ + unsigned a_text; /* length of text, in bytes */ + unsigned a_data; /* length of data, in bytes */ + unsigned a_bss; /* length of uninitialized data area for file, in bytes */ + unsigned a_syms; /* length of symbol table data in file, in bytes */ + unsigned a_entry; /* start address */ + unsigned a_trsize; /* length of relocation info for text, in bytes */ + unsigned a_drsize; /* length of relocation info for data, in bytes */ +}; + +#define N_TRSIZE(a) ((a).a_trsize) +#define N_DRSIZE(a) ((a).a_drsize) +#define N_SYMSIZE(a) ((a).a_syms) + +#endif /* ASM_X86__A_OUT_H */ diff --git a/arch/x86/include/asm/acpi.h b/arch/x86/include/asm/acpi.h new file mode 100644 index 00000000000..392e17336be --- /dev/null +++ b/arch/x86/include/asm/acpi.h @@ -0,0 +1,178 @@ +#ifndef ASM_X86__ACPI_H +#define ASM_X86__ACPI_H + +/* + * Copyright (C) 2001 Paul Diefenbaugh + * Copyright (C) 2001 Patrick Mochel + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + */ +#include + +#include +#include +#include +#include + +#define COMPILER_DEPENDENT_INT64 long long +#define COMPILER_DEPENDENT_UINT64 unsigned long long + +/* + * Calling conventions: + * + * ACPI_SYSTEM_XFACE - Interfaces to host OS (handlers, threads) + * ACPI_EXTERNAL_XFACE - External ACPI interfaces + * ACPI_INTERNAL_XFACE - Internal ACPI interfaces + * ACPI_INTERNAL_VAR_XFACE - Internal variable-parameter list interfaces + */ +#define ACPI_SYSTEM_XFACE +#define ACPI_EXTERNAL_XFACE +#define ACPI_INTERNAL_XFACE +#define ACPI_INTERNAL_VAR_XFACE + +/* Asm macros */ + +#define ACPI_ASM_MACROS +#define BREAKPOINT3 +#define ACPI_DISABLE_IRQS() local_irq_disable() +#define ACPI_ENABLE_IRQS() local_irq_enable() +#define ACPI_FLUSH_CPU_CACHE() wbinvd() + +int __acpi_acquire_global_lock(unsigned int *lock); +int __acpi_release_global_lock(unsigned int *lock); + +#define ACPI_ACQUIRE_GLOBAL_LOCK(facs, Acq) \ + ((Acq) = __acpi_acquire_global_lock(&facs->global_lock)) + +#define ACPI_RELEASE_GLOBAL_LOCK(facs, Acq) \ + ((Acq) = __acpi_release_global_lock(&facs->global_lock)) + +/* + * Math helper asm macros + */ +#define ACPI_DIV_64_BY_32(n_hi, n_lo, d32, q32, r32) \ + asm("divl %2;" \ + : "=a"(q32), "=d"(r32) \ + : "r"(d32), \ + "0"(n_lo), "1"(n_hi)) + + +#define ACPI_SHIFT_RIGHT_64(n_hi, n_lo) \ + asm("shrl $1,%2 ;" \ + "rcrl $1,%3;" \ + : "=r"(n_hi), "=r"(n_lo) \ + : "0"(n_hi), "1"(n_lo)) + +#ifdef CONFIG_ACPI +extern int acpi_lapic; +extern int acpi_ioapic; +extern int acpi_noirq; +extern int acpi_strict; +extern int acpi_disabled; +extern int acpi_ht; +extern int acpi_pci_disabled; +extern int acpi_skip_timer_override; +extern int acpi_use_timer_override; + +extern u8 acpi_sci_flags; +extern int acpi_sci_override_gsi; +void acpi_pic_sci_set_trigger(unsigned int, u16); + +static inline void disable_acpi(void) +{ + acpi_disabled = 1; + acpi_ht = 0; + acpi_pci_disabled = 1; + acpi_noirq = 1; +} + +/* Fixmap pages to reserve for ACPI boot-time tables (see fixmap.h) */ +#define FIX_ACPI_PAGES 4 + +extern int acpi_gsi_to_irq(u32 gsi, unsigned int *irq); + +static inline void acpi_noirq_set(void) { acpi_noirq = 1; } +static inline void acpi_disable_pci(void) +{ + acpi_pci_disabled = 1; + acpi_noirq_set(); +} +extern int acpi_irq_balance_set(char *str); + +/* routines for saving/restoring kernel state */ +extern int acpi_save_state_mem(void); +extern void acpi_restore_state_mem(void); + +extern unsigned long acpi_wakeup_address; + +/* early initialization routine */ +extern void acpi_reserve_bootmem(void); + +/* + * Check if the CPU can handle C2 and deeper + */ +static inline unsigned int acpi_processor_cstate_check(unsigned int max_cstate) +{ + /* + * Early models (<=5) of AMD Opterons are not supposed to go into + * C2 state. + * + * Steppings 0x0A and later are good + */ + if (boot_cpu_data.x86 == 0x0F && + boot_cpu_data.x86_vendor == X86_VENDOR_AMD && + boot_cpu_data.x86_model <= 0x05 && + boot_cpu_data.x86_mask < 0x0A) + return 1; + else if (boot_cpu_has(X86_FEATURE_AMDC1E)) + return 1; + else + return max_cstate; +} + +#else /* !CONFIG_ACPI */ + +#define acpi_lapic 0 +#define acpi_ioapic 0 +static inline void acpi_noirq_set(void) { } +static inline void acpi_disable_pci(void) { } +static inline void disable_acpi(void) { } + +#endif /* !CONFIG_ACPI */ + +#define ARCH_HAS_POWER_INIT 1 + +struct bootnode; + +#ifdef CONFIG_ACPI_NUMA +extern int acpi_numa; +extern int acpi_scan_nodes(unsigned long start, unsigned long end); +#define NR_NODE_MEMBLKS (MAX_NUMNODES*2) +extern void acpi_fake_nodes(const struct bootnode *fake_nodes, + int num_nodes); +#else +static inline void acpi_fake_nodes(const struct bootnode *fake_nodes, + int num_nodes) +{ +} +#endif + +#define acpi_unlazy_tlb(x) leave_mm(x) + +#endif /* ASM_X86__ACPI_H */ diff --git a/arch/x86/include/asm/agp.h b/arch/x86/include/asm/agp.h new file mode 100644 index 00000000000..3617fd4fcdf --- /dev/null +++ b/arch/x86/include/asm/agp.h @@ -0,0 +1,35 @@ +#ifndef ASM_X86__AGP_H +#define ASM_X86__AGP_H + +#include +#include + +/* + * Functions to keep the agpgart mappings coherent with the MMU. The + * GART gives the CPU a physical alias of pages in memory. The alias + * region is mapped uncacheable. Make sure there are no conflicting + * mappings with different cachability attributes for the same + * page. This avoids data corruption on some CPUs. + */ + +#define map_page_into_agp(page) set_pages_uc(page, 1) +#define unmap_page_from_agp(page) set_pages_wb(page, 1) + +/* + * Could use CLFLUSH here if the cpu supports it. But then it would + * need to be called for each cacheline of the whole page so it may + * not be worth it. Would need a page for it. + */ +#define flush_agp_cache() wbinvd() + +/* Convert a physical address to an address suitable for the GART. */ +#define phys_to_gart(x) (x) +#define gart_to_phys(x) (x) + +/* GATT allocation. Returns/accepts GATT kernel virtual address. */ +#define alloc_gatt_pages(order) \ + ((char *)__get_free_pages(GFP_KERNEL, (order))) +#define free_gatt_pages(table, order) \ + free_pages((unsigned long)(table), (order)) + +#endif /* ASM_X86__AGP_H */ diff --git a/arch/x86/include/asm/alternative-asm.h b/arch/x86/include/asm/alternative-asm.h new file mode 100644 index 00000000000..e2077d343c3 --- /dev/null +++ b/arch/x86/include/asm/alternative-asm.h @@ -0,0 +1,22 @@ +#ifdef __ASSEMBLY__ + +#ifdef CONFIG_X86_32 +# define X86_ALIGN .long +#else +# define X86_ALIGN .quad +#endif + +#ifdef CONFIG_SMP + .macro LOCK_PREFIX +1: lock + .section .smp_locks,"a" + .align 4 + X86_ALIGN 1b + .previous + .endm +#else + .macro LOCK_PREFIX + .endm +#endif + +#endif /* __ASSEMBLY__ */ diff --git a/arch/x86/include/asm/alternative.h b/arch/x86/include/asm/alternative.h new file mode 100644 index 00000000000..22d3c9862bf --- /dev/null +++ b/arch/x86/include/asm/alternative.h @@ -0,0 +1,183 @@ +#ifndef ASM_X86__ALTERNATIVE_H +#define ASM_X86__ALTERNATIVE_H + +#include +#include +#include + +/* + * Alternative inline assembly for SMP. + * + * The LOCK_PREFIX macro defined here replaces the LOCK and + * LOCK_PREFIX macros used everywhere in the source tree. + * + * SMP alternatives use the same data structures as the other + * alternatives and the X86_FEATURE_UP flag to indicate the case of a + * UP system running a SMP kernel. The existing apply_alternatives() + * works fine for patching a SMP kernel for UP. + * + * The SMP alternative tables can be kept after boot and contain both + * UP and SMP versions of the instructions to allow switching back to + * SMP at runtime, when hotplugging in a new CPU, which is especially + * useful in virtualized environments. + * + * The very common lock prefix is handled as special case in a + * separate table which is a pure address list without replacement ptr + * and size information. That keeps the table sizes small. + */ + +#ifdef CONFIG_SMP +#define LOCK_PREFIX \ + ".section .smp_locks,\"a\"\n" \ + _ASM_ALIGN "\n" \ + _ASM_PTR "661f\n" /* address */ \ + ".previous\n" \ + "661:\n\tlock; " + +#else /* ! CONFIG_SMP */ +#define LOCK_PREFIX "" +#endif + +/* This must be included *after* the definition of LOCK_PREFIX */ +#include + +struct alt_instr { + u8 *instr; /* original instruction */ + u8 *replacement; + u8 cpuid; /* cpuid bit set for replacement */ + u8 instrlen; /* length of original instruction */ + u8 replacementlen; /* length of new instruction, <= instrlen */ + u8 pad1; +#ifdef CONFIG_X86_64 + u32 pad2; +#endif +}; + +extern void alternative_instructions(void); +extern void apply_alternatives(struct alt_instr *start, struct alt_instr *end); + +struct module; + +#ifdef CONFIG_SMP +extern void alternatives_smp_module_add(struct module *mod, char *name, + void *locks, void *locks_end, + void *text, void *text_end); +extern void alternatives_smp_module_del(struct module *mod); +extern void alternatives_smp_switch(int smp); +#else +static inline void alternatives_smp_module_add(struct module *mod, char *name, + void *locks, void *locks_end, + void *text, void *text_end) {} +static inline void alternatives_smp_module_del(struct module *mod) {} +static inline void alternatives_smp_switch(int smp) {} +#endif /* CONFIG_SMP */ + +const unsigned char *const *find_nop_table(void); + +/* + * Alternative instructions for different CPU types or capabilities. + * + * This allows to use optimized instructions even on generic binary + * kernels. + * + * length of oldinstr must be longer or equal the length of newinstr + * It can be padded with nops as needed. + * + * For non barrier like inlines please define new variants + * without volatile and memory clobber. + */ +#define alternative(oldinstr, newinstr, feature) \ + asm volatile ("661:\n\t" oldinstr "\n662:\n" \ + ".section .altinstructions,\"a\"\n" \ + _ASM_ALIGN "\n" \ + _ASM_PTR "661b\n" /* label */ \ + _ASM_PTR "663f\n" /* new instruction */ \ + " .byte %c0\n" /* feature bit */ \ + " .byte 662b-661b\n" /* sourcelen */ \ + " .byte 664f-663f\n" /* replacementlen */ \ + ".previous\n" \ + ".section .altinstr_replacement,\"ax\"\n" \ + "663:\n\t" newinstr "\n664:\n" /* replacement */ \ + ".previous" :: "i" (feature) : "memory") + +/* + * Alternative inline assembly with input. + * + * Pecularities: + * No memory clobber here. + * Argument numbers start with 1. + * Best is to use constraints that are fixed size (like (%1) ... "r") + * If you use variable sized constraints like "m" or "g" in the + * replacement make sure to pad to the worst case length. + */ +#define alternative_input(oldinstr, newinstr, feature, input...) \ + asm volatile ("661:\n\t" oldinstr "\n662:\n" \ + ".section .altinstructions,\"a\"\n" \ + _ASM_ALIGN "\n" \ + _ASM_PTR "661b\n" /* label */ \ + _ASM_PTR "663f\n" /* new instruction */ \ + " .byte %c0\n" /* feature bit */ \ + " .byte 662b-661b\n" /* sourcelen */ \ + " .byte 664f-663f\n" /* replacementlen */ \ + ".previous\n" \ + ".section .altinstr_replacement,\"ax\"\n" \ + "663:\n\t" newinstr "\n664:\n" /* replacement */ \ + ".previous" :: "i" (feature), ##input) + +/* Like alternative_input, but with a single output argument */ +#define alternative_io(oldinstr, newinstr, feature, output, input...) \ + asm volatile ("661:\n\t" oldinstr "\n662:\n" \ + ".section .altinstructions,\"a\"\n" \ + _ASM_ALIGN "\n" \ + _ASM_PTR "661b\n" /* label */ \ + _ASM_PTR "663f\n" /* new instruction */ \ + " .byte %c[feat]\n" /* feature bit */ \ + " .byte 662b-661b\n" /* sourcelen */ \ + " .byte 664f-663f\n" /* replacementlen */ \ + ".previous\n" \ + ".section .altinstr_replacement,\"ax\"\n" \ + "663:\n\t" newinstr "\n664:\n" /* replacement */ \ + ".previous" : output : [feat] "i" (feature), ##input) + +/* + * use this macro(s) if you need more than one output parameter + * in alternative_io + */ +#define ASM_OUTPUT2(a, b) a, b + +struct paravirt_patch_site; +#ifdef CONFIG_PARAVIRT +void apply_paravirt(struct paravirt_patch_site *start, + struct paravirt_patch_site *end); +#else +static inline void apply_paravirt(struct paravirt_patch_site *start, + struct paravirt_patch_site *end) +{} +#define __parainstructions NULL +#define __parainstructions_end NULL +#endif + +extern void add_nops(void *insns, unsigned int len); + +/* + * Clear and restore the kernel write-protection flag on the local CPU. + * Allows the kernel to edit read-only pages. + * Side-effect: any interrupt handler running between save and restore will have + * the ability to write to read-only pages. + * + * Warning: + * Code patching in the UP case is safe if NMIs and MCE handlers are stopped and + * no thread can be preempted in the instructions being modified (no iret to an + * invalid instruction possible) or if the instructions are changed from a + * consistent state to another consistent state atomically. + * More care must be taken when modifying code in the SMP case because of + * Intel's errata. + * On the local CPU you need to be protected again NMI or MCE handlers seeing an + * inconsistent instruction while you patch. + * The _early version expects the memory to already be RW. + */ + +extern void *text_poke(void *addr, const void *opcode, size_t len); +extern void *text_poke_early(void *addr, const void *opcode, size_t len); + +#endif /* ASM_X86__ALTERNATIVE_H */ diff --git a/arch/x86/include/asm/amd_iommu.h b/arch/x86/include/asm/amd_iommu.h new file mode 100644 index 00000000000..041d0db7da2 --- /dev/null +++ b/arch/x86/include/asm/amd_iommu.h @@ -0,0 +1,35 @@ +/* + * Copyright (C) 2007-2008 Advanced Micro Devices, Inc. + * Author: Joerg Roedel + * Leo Duran + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef ASM_X86__AMD_IOMMU_H +#define ASM_X86__AMD_IOMMU_H + +#include + +#ifdef CONFIG_AMD_IOMMU +extern int amd_iommu_init(void); +extern int amd_iommu_init_dma_ops(void); +extern void amd_iommu_detect(void); +extern irqreturn_t amd_iommu_int_handler(int irq, void *data); +#else +static inline int amd_iommu_init(void) { return -ENODEV; } +static inline void amd_iommu_detect(void) { } +#endif + +#endif /* ASM_X86__AMD_IOMMU_H */ diff --git a/arch/x86/include/asm/amd_iommu_types.h b/arch/x86/include/asm/amd_iommu_types.h new file mode 100644 index 00000000000..b3085869a17 --- /dev/null +++ b/arch/x86/include/asm/amd_iommu_types.h @@ -0,0 +1,404 @@ +/* + * Copyright (C) 2007-2008 Advanced Micro Devices, Inc. + * Author: Joerg Roedel + * Leo Duran + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef ASM_X86__AMD_IOMMU_TYPES_H +#define ASM_X86__AMD_IOMMU_TYPES_H + +#include +#include +#include + +/* + * some size calculation constants + */ +#define DEV_TABLE_ENTRY_SIZE 32 +#define ALIAS_TABLE_ENTRY_SIZE 2 +#define RLOOKUP_TABLE_ENTRY_SIZE (sizeof(void *)) + +/* Length of the MMIO region for the AMD IOMMU */ +#define MMIO_REGION_LENGTH 0x4000 + +/* Capability offsets used by the driver */ +#define MMIO_CAP_HDR_OFFSET 0x00 +#define MMIO_RANGE_OFFSET 0x0c +#define MMIO_MISC_OFFSET 0x10 + +/* Masks, shifts and macros to parse the device range capability */ +#define MMIO_RANGE_LD_MASK 0xff000000 +#define MMIO_RANGE_FD_MASK 0x00ff0000 +#define MMIO_RANGE_BUS_MASK 0x0000ff00 +#define MMIO_RANGE_LD_SHIFT 24 +#define MMIO_RANGE_FD_SHIFT 16 +#define MMIO_RANGE_BUS_SHIFT 8 +#define MMIO_GET_LD(x) (((x) & MMIO_RANGE_LD_MASK) >> MMIO_RANGE_LD_SHIFT) +#define MMIO_GET_FD(x) (((x) & MMIO_RANGE_FD_MASK) >> MMIO_RANGE_FD_SHIFT) +#define MMIO_GET_BUS(x) (((x) & MMIO_RANGE_BUS_MASK) >> MMIO_RANGE_BUS_SHIFT) +#define MMIO_MSI_NUM(x) ((x) & 0x1f) + +/* Flag masks for the AMD IOMMU exclusion range */ +#define MMIO_EXCL_ENABLE_MASK 0x01ULL +#define MMIO_EXCL_ALLOW_MASK 0x02ULL + +/* Used offsets into the MMIO space */ +#define MMIO_DEV_TABLE_OFFSET 0x0000 +#define MMIO_CMD_BUF_OFFSET 0x0008 +#define MMIO_EVT_BUF_OFFSET 0x0010 +#define MMIO_CONTROL_OFFSET 0x0018 +#define MMIO_EXCL_BASE_OFFSET 0x0020 +#define MMIO_EXCL_LIMIT_OFFSET 0x0028 +#define MMIO_CMD_HEAD_OFFSET 0x2000 +#define MMIO_CMD_TAIL_OFFSET 0x2008 +#define MMIO_EVT_HEAD_OFFSET 0x2010 +#define MMIO_EVT_TAIL_OFFSET 0x2018 +#define MMIO_STATUS_OFFSET 0x2020 + +/* MMIO status bits */ +#define MMIO_STATUS_COM_WAIT_INT_MASK 0x04 + +/* event logging constants */ +#define EVENT_ENTRY_SIZE 0x10 +#define EVENT_TYPE_SHIFT 28 +#define EVENT_TYPE_MASK 0xf +#define EVENT_TYPE_ILL_DEV 0x1 +#define EVENT_TYPE_IO_FAULT 0x2 +#define EVENT_TYPE_DEV_TAB_ERR 0x3 +#define EVENT_TYPE_PAGE_TAB_ERR 0x4 +#define EVENT_TYPE_ILL_CMD 0x5 +#define EVENT_TYPE_CMD_HARD_ERR 0x6 +#define EVENT_TYPE_IOTLB_INV_TO 0x7 +#define EVENT_TYPE_INV_DEV_REQ 0x8 +#define EVENT_DEVID_MASK 0xffff +#define EVENT_DEVID_SHIFT 0 +#define EVENT_DOMID_MASK 0xffff +#define EVENT_DOMID_SHIFT 0 +#define EVENT_FLAGS_MASK 0xfff +#define EVENT_FLAGS_SHIFT 0x10 + +/* feature control bits */ +#define CONTROL_IOMMU_EN 0x00ULL +#define CONTROL_HT_TUN_EN 0x01ULL +#define CONTROL_EVT_LOG_EN 0x02ULL +#define CONTROL_EVT_INT_EN 0x03ULL +#define CONTROL_COMWAIT_EN 0x04ULL +#define CONTROL_PASSPW_EN 0x08ULL +#define CONTROL_RESPASSPW_EN 0x09ULL +#define CONTROL_COHERENT_EN 0x0aULL +#define CONTROL_ISOC_EN 0x0bULL +#define CONTROL_CMDBUF_EN 0x0cULL +#define CONTROL_PPFLOG_EN 0x0dULL +#define CONTROL_PPFINT_EN 0x0eULL + +/* command specific defines */ +#define CMD_COMPL_WAIT 0x01 +#define CMD_INV_DEV_ENTRY 0x02 +#define CMD_INV_IOMMU_PAGES 0x03 + +#define CMD_COMPL_WAIT_STORE_MASK 0x01 +#define CMD_COMPL_WAIT_INT_MASK 0x02 +#define CMD_INV_IOMMU_PAGES_SIZE_MASK 0x01 +#define CMD_INV_IOMMU_PAGES_PDE_MASK 0x02 + +#define CMD_INV_IOMMU_ALL_PAGES_ADDRESS 0x7fffffffffffffffULL + +/* macros and definitions for device table entries */ +#define DEV_ENTRY_VALID 0x00 +#define DEV_ENTRY_TRANSLATION 0x01 +#define DEV_ENTRY_IR 0x3d +#define DEV_ENTRY_IW 0x3e +#define DEV_ENTRY_NO_PAGE_FAULT 0x62 +#define DEV_ENTRY_EX 0x67 +#define DEV_ENTRY_SYSMGT1 0x68 +#define DEV_ENTRY_SYSMGT2 0x69 +#define DEV_ENTRY_INIT_PASS 0xb8 +#define DEV_ENTRY_EINT_PASS 0xb9 +#define DEV_ENTRY_NMI_PASS 0xba +#define DEV_ENTRY_LINT0_PASS 0xbe +#define DEV_ENTRY_LINT1_PASS 0xbf +#define DEV_ENTRY_MODE_MASK 0x07 +#define DEV_ENTRY_MODE_SHIFT 0x09 + +/* constants to configure the command buffer */ +#define CMD_BUFFER_SIZE 8192 +#define CMD_BUFFER_ENTRIES 512 +#define MMIO_CMD_SIZE_SHIFT 56 +#define MMIO_CMD_SIZE_512 (0x9ULL << MMIO_CMD_SIZE_SHIFT) + +/* constants for event buffer handling */ +#define EVT_BUFFER_SIZE 8192 /* 512 entries */ +#define EVT_LEN_MASK (0x9ULL << 56) + +#define PAGE_MODE_1_LEVEL 0x01 +#define PAGE_MODE_2_LEVEL 0x02 +#define PAGE_MODE_3_LEVEL 0x03 + +#define IOMMU_PDE_NL_0 0x000ULL +#define IOMMU_PDE_NL_1 0x200ULL +#define IOMMU_PDE_NL_2 0x400ULL +#define IOMMU_PDE_NL_3 0x600ULL + +#define IOMMU_PTE_L2_INDEX(address) (((address) >> 30) & 0x1ffULL) +#define IOMMU_PTE_L1_INDEX(address) (((address) >> 21) & 0x1ffULL) +#define IOMMU_PTE_L0_INDEX(address) (((address) >> 12) & 0x1ffULL) + +#define IOMMU_MAP_SIZE_L1 (1ULL << 21) +#define IOMMU_MAP_SIZE_L2 (1ULL << 30) +#define IOMMU_MAP_SIZE_L3 (1ULL << 39) + +#define IOMMU_PTE_P (1ULL << 0) +#define IOMMU_PTE_TV (1ULL << 1) +#define IOMMU_PTE_U (1ULL << 59) +#define IOMMU_PTE_FC (1ULL << 60) +#define IOMMU_PTE_IR (1ULL << 61) +#define IOMMU_PTE_IW (1ULL << 62) + +#define IOMMU_L1_PDE(address) \ + ((address) | IOMMU_PDE_NL_1 | IOMMU_PTE_P | IOMMU_PTE_IR | IOMMU_PTE_IW) +#define IOMMU_L2_PDE(address) \ + ((address) | IOMMU_PDE_NL_2 | IOMMU_PTE_P | IOMMU_PTE_IR | IOMMU_PTE_IW) + +#define IOMMU_PAGE_MASK (((1ULL << 52) - 1) & ~0xfffULL) +#define IOMMU_PTE_PRESENT(pte) ((pte) & IOMMU_PTE_P) +#define IOMMU_PTE_PAGE(pte) (phys_to_virt((pte) & IOMMU_PAGE_MASK)) +#define IOMMU_PTE_MODE(pte) (((pte) >> 9) & 0x07) + +#define IOMMU_PROT_MASK 0x03 +#define IOMMU_PROT_IR 0x01 +#define IOMMU_PROT_IW 0x02 + +/* IOMMU capabilities */ +#define IOMMU_CAP_IOTLB 24 +#define IOMMU_CAP_NPCACHE 26 + +#define MAX_DOMAIN_ID 65536 + +/* FIXME: move this macro to */ +#define PCI_BUS(x) (((x) >> 8) & 0xff) + +/* + * This structure contains generic data for IOMMU protection domains + * independent of their use. + */ +struct protection_domain { + spinlock_t lock; /* mostly used to lock the page table*/ + u16 id; /* the domain id written to the device table */ + int mode; /* paging mode (0-6 levels) */ + u64 *pt_root; /* page table root pointer */ + void *priv; /* private data */ +}; + +/* + * Data container for a dma_ops specific protection domain + */ +struct dma_ops_domain { + struct list_head list; + + /* generic protection domain information */ + struct protection_domain domain; + + /* size of the aperture for the mappings */ + unsigned long aperture_size; + + /* address we start to search for free addresses */ + unsigned long next_bit; + + /* address allocation bitmap */ + unsigned long *bitmap; + + /* + * Array of PTE pages for the aperture. In this array we save all the + * leaf pages of the domain page table used for the aperture. This way + * we don't need to walk the page table to find a specific PTE. We can + * just calculate its address in constant time. + */ + u64 **pte_pages; + + /* This will be set to true when TLB needs to be flushed */ + bool need_flush; + + /* + * if this is a preallocated domain, keep the device for which it was + * preallocated in this variable + */ + u16 target_dev; +}; + +/* + * Structure where we save information about one hardware AMD IOMMU in the + * system. + */ +struct amd_iommu { + struct list_head list; + + /* locks the accesses to the hardware */ + spinlock_t lock; + + /* Pointer to PCI device of this IOMMU */ + struct pci_dev *dev; + + /* + * Capability pointer. There could be more than one IOMMU per PCI + * device function if there are more than one AMD IOMMU capability + * pointers. + */ + u16 cap_ptr; + + /* physical address of MMIO space */ + u64 mmio_phys; + /* virtual address of MMIO space */ + u8 *mmio_base; + + /* capabilities of that IOMMU read from ACPI */ + u32 cap; + + /* pci domain of this IOMMU */ + u16 pci_seg; + + /* first device this IOMMU handles. read from PCI */ + u16 first_device; + /* last device this IOMMU handles. read from PCI */ + u16 last_device; + + /* start of exclusion range of that IOMMU */ + u64 exclusion_start; + /* length of exclusion range of that IOMMU */ + u64 exclusion_length; + + /* command buffer virtual address */ + u8 *cmd_buf; + /* size of command buffer */ + u32 cmd_buf_size; + + /* event buffer virtual address */ + u8 *evt_buf; + /* size of event buffer */ + u32 evt_buf_size; + /* MSI number for event interrupt */ + u16 evt_msi_num; + + /* if one, we need to send a completion wait command */ + int need_sync; + + /* true if interrupts for this IOMMU are already enabled */ + bool int_enabled; + + /* default dma_ops domain for that IOMMU */ + struct dma_ops_domain *default_dom; +}; + +/* + * List with all IOMMUs in the system. This list is not locked because it is + * only written and read at driver initialization or suspend time + */ +extern struct list_head amd_iommu_list; + +/* + * Structure defining one entry in the device table + */ +struct dev_table_entry { + u32 data[8]; +}; + +/* + * One entry for unity mappings parsed out of the ACPI table. + */ +struct unity_map_entry { + struct list_head list; + + /* starting device id this entry is used for (including) */ + u16 devid_start; + /* end device id this entry is used for (including) */ + u16 devid_end; + + /* start address to unity map (including) */ + u64 address_start; + /* end address to unity map (including) */ + u64 address_end; + + /* required protection */ + int prot; +}; + +/* + * List of all unity mappings. It is not locked because as runtime it is only + * read. It is created at ACPI table parsing time. + */ +extern struct list_head amd_iommu_unity_map; + +/* + * Data structures for device handling + */ + +/* + * Device table used by hardware. Read and write accesses by software are + * locked with the amd_iommu_pd_table lock. + */ +extern struct dev_table_entry *amd_iommu_dev_table; + +/* + * Alias table to find requestor ids to device ids. Not locked because only + * read on runtime. + */ +extern u16 *amd_iommu_alias_table; + +/* + * Reverse lookup table to find the IOMMU which translates a specific device. + */ +extern struct amd_iommu **amd_iommu_rlookup_table; + +/* size of the dma_ops aperture as power of 2 */ +extern unsigned amd_iommu_aperture_order; + +/* largest PCI device id we expect translation requests for */ +extern u16 amd_iommu_last_bdf; + +/* data structures for protection domain handling */ +extern struct protection_domain **amd_iommu_pd_table; + +/* allocation bitmap for domain ids */ +extern unsigned long *amd_iommu_pd_alloc_bitmap; + +/* will be 1 if device isolation is enabled */ +extern int amd_iommu_isolate; + +/* + * If true, the addresses will be flushed on unmap time, not when + * they are reused + */ +extern bool amd_iommu_unmap_flush; + +/* takes a PCI device id and prints it out in a readable form */ +static inline void print_devid(u16 devid, int nl) +{ + int bus = devid >> 8; + int dev = devid >> 3 & 0x1f; + int fn = devid & 0x07; + + printk("%02x:%02x.%x", bus, dev, fn); + if (nl) + printk("\n"); +} + +/* takes bus and device/function and returns the device id + * FIXME: should that be in generic PCI code? */ +static inline u16 calc_devid(u8 bus, u8 devfn) +{ + return (((u16)bus) << 8) | devfn; +} + +#endif /* ASM_X86__AMD_IOMMU_TYPES_H */ diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h new file mode 100644 index 00000000000..ef1d72dbdfe --- /dev/null +++ b/arch/x86/include/asm/apic.h @@ -0,0 +1,199 @@ +#ifndef ASM_X86__APIC_H +#define ASM_X86__APIC_H + +#include +#include + +#include +#include +#include +#include +#include +#include +#include + +#define ARCH_APICTIMER_STOPS_ON_C3 1 + +/* + * Debugging macros + */ +#define APIC_QUIET 0 +#define APIC_VERBOSE 1 +#define APIC_DEBUG 2 + +/* + * Define the default level of output to be very little + * This can be turned up by using apic=verbose for more + * information and apic=debug for _lots_ of information. + * apic_verbosity is defined in apic.c + */ +#define apic_printk(v, s, a...) do { \ + if ((v) <= apic_verbosity) \ + printk(s, ##a); \ + } while (0) + + +extern void generic_apic_probe(void); + +#ifdef CONFIG_X86_LOCAL_APIC + +extern unsigned int apic_verbosity; +extern int local_apic_timer_c2_ok; + +extern int disable_apic; +/* + * Basic functions accessing APICs. + */ +#ifdef CONFIG_PARAVIRT +#include +#else +#define setup_boot_clock setup_boot_APIC_clock +#define setup_secondary_clock setup_secondary_APIC_clock +#endif + +extern int is_vsmp_box(void); +extern void xapic_wait_icr_idle(void); +extern u32 safe_xapic_wait_icr_idle(void); +extern u64 xapic_icr_read(void); +extern void xapic_icr_write(u32, u32); +extern int setup_profiling_timer(unsigned int); + +static inline void native_apic_mem_write(u32 reg, u32 v) +{ + volatile u32 *addr = (volatile u32 *)(APIC_BASE + reg); + + alternative_io("movl %0, %1", "xchgl %0, %1", X86_FEATURE_11AP, + ASM_OUTPUT2("=r" (v), "=m" (*addr)), + ASM_OUTPUT2("0" (v), "m" (*addr))); +} + +static inline u32 native_apic_mem_read(u32 reg) +{ + return *((volatile u32 *)(APIC_BASE + reg)); +} + +static inline void native_apic_msr_write(u32 reg, u32 v) +{ + if (reg == APIC_DFR || reg == APIC_ID || reg == APIC_LDR || + reg == APIC_LVR) + return; + + wrmsr(APIC_BASE_MSR + (reg >> 4), v, 0); +} + +static inline u32 native_apic_msr_read(u32 reg) +{ + u32 low, high; + + if (reg == APIC_DFR) + return -1; + + rdmsr(APIC_BASE_MSR + (reg >> 4), low, high); + return low; +} + +#ifndef CONFIG_X86_32 +extern int x2apic, x2apic_preenabled; +extern void check_x2apic(void); +extern void enable_x2apic(void); +extern void enable_IR_x2apic(void); +extern void x2apic_icr_write(u32 low, u32 id); +static inline int x2apic_enabled(void) +{ + int msr, msr2; + + if (!cpu_has_x2apic) + return 0; + + rdmsr(MSR_IA32_APICBASE, msr, msr2); + if (msr & X2APIC_ENABLE) + return 1; + return 0; +} +#else +#define x2apic_enabled() 0 +#endif + +struct apic_ops { + u32 (*read)(u32 reg); + void (*write)(u32 reg, u32 v); + u64 (*icr_read)(void); + void (*icr_write)(u32 low, u32 high); + void (*wait_icr_idle)(void); + u32 (*safe_wait_icr_idle)(void); +}; + +extern struct apic_ops *apic_ops; + +#define apic_read (apic_ops->read) +#define apic_write (apic_ops->write) +#define apic_icr_read (apic_ops->icr_read) +#define apic_icr_write (apic_ops->icr_write) +#define apic_wait_icr_idle (apic_ops->wait_icr_idle) +#define safe_apic_wait_icr_idle (apic_ops->safe_wait_icr_idle) + +extern int get_physical_broadcast(void); + +#ifdef CONFIG_X86_64 +static inline void ack_x2APIC_irq(void) +{ + /* Docs say use 0 for future compatibility */ + native_apic_msr_write(APIC_EOI, 0); +} +#endif + + +static inline void ack_APIC_irq(void) +{ + /* + * ack_APIC_irq() actually gets compiled as a single instruction + * ... yummie. + */ + + /* Docs say use 0 for future compatibility */ + apic_write(APIC_EOI, 0); +} + +extern int lapic_get_maxlvt(void); +extern void clear_local_APIC(void); +extern void connect_bsp_APIC(void); +extern void disconnect_bsp_APIC(int virt_wire_setup); +extern void disable_local_APIC(void); +extern void lapic_shutdown(void); +extern int verify_local_APIC(void); +extern void cache_APIC_registers(void); +extern void sync_Arb_IDs(void); +extern void init_bsp_APIC(void); +extern void setup_local_APIC(void); +extern void end_local_APIC_setup(void); +extern void init_apic_mappings(void); +extern void setup_boot_APIC_clock(void); +extern void setup_secondary_APIC_clock(void); +extern int APIC_init_uniprocessor(void); +extern void enable_NMI_through_LVT0(void); + +/* + * On 32bit this is mach-xxx local + */ +#ifdef CONFIG_X86_64 +extern void early_init_lapic_mapping(void); +extern int apic_is_clustered_box(void); +#else +static inline int apic_is_clustered_box(void) +{ + return 0; +} +#endif + +extern u8 setup_APIC_eilvt_mce(u8 vector, u8 msg_type, u8 mask); +extern u8 setup_APIC_eilvt_ibs(u8 vector, u8 msg_type, u8 mask); + + +#else /* !CONFIG_X86_LOCAL_APIC */ +static inline void lapic_shutdown(void) { } +#define local_apic_timer_c2_ok 1 +static inline void init_apic_mappings(void) { } + +#endif /* !CONFIG_X86_LOCAL_APIC */ + +#endif /* ASM_X86__APIC_H */ diff --git a/arch/x86/include/asm/apicdef.h b/arch/x86/include/asm/apicdef.h new file mode 100644 index 00000000000..b922c85ac91 --- /dev/null +++ b/arch/x86/include/asm/apicdef.h @@ -0,0 +1,417 @@ +#ifndef ASM_X86__APICDEF_H +#define ASM_X86__APICDEF_H + +/* + * Constants for various Intel APICs. (local APIC, IOAPIC, etc.) + * + * Alan Cox , 1995. + * Ingo Molnar , 1999, 2000 + */ + +#define APIC_DEFAULT_PHYS_BASE 0xfee00000 + +#define APIC_ID 0x20 + +#define APIC_LVR 0x30 +#define APIC_LVR_MASK 0xFF00FF +#define GET_APIC_VERSION(x) ((x) & 0xFFu) +#define GET_APIC_MAXLVT(x) (((x) >> 16) & 0xFFu) +#ifdef CONFIG_X86_32 +# define APIC_INTEGRATED(x) ((x) & 0xF0u) +#else +# define APIC_INTEGRATED(x) (1) +#endif +#define APIC_XAPIC(x) ((x) >= 0x14) +#define APIC_TASKPRI 0x80 +#define APIC_TPRI_MASK 0xFFu +#define APIC_ARBPRI 0x90 +#define APIC_ARBPRI_MASK 0xFFu +#define APIC_PROCPRI 0xA0 +#define APIC_EOI 0xB0 +#define APIC_EIO_ACK 0x0 +#define APIC_RRR 0xC0 +#define APIC_LDR 0xD0 +#define APIC_LDR_MASK (0xFFu << 24) +#define GET_APIC_LOGICAL_ID(x) (((x) >> 24) & 0xFFu) +#define SET_APIC_LOGICAL_ID(x) (((x) << 24)) +#define APIC_ALL_CPUS 0xFFu +#define APIC_DFR 0xE0 +#define APIC_DFR_CLUSTER 0x0FFFFFFFul +#define APIC_DFR_FLAT 0xFFFFFFFFul +#define APIC_SPIV 0xF0 +#define APIC_SPIV_FOCUS_DISABLED (1 << 9) +#define APIC_SPIV_APIC_ENABLED (1 << 8) +#define APIC_ISR 0x100 +#define APIC_ISR_NR 0x8 /* Number of 32 bit ISR registers. */ +#define APIC_TMR 0x180 +#define APIC_IRR 0x200 +#define APIC_ESR 0x280 +#define APIC_ESR_SEND_CS 0x00001 +#define APIC_ESR_RECV_CS 0x00002 +#define APIC_ESR_SEND_ACC 0x00004 +#define APIC_ESR_RECV_ACC 0x00008 +#define APIC_ESR_SENDILL 0x00020 +#define APIC_ESR_RECVILL 0x00040 +#define APIC_ESR_ILLREGA 0x00080 +#define APIC_ICR 0x300 +#define APIC_DEST_SELF 0x40000 +#define APIC_DEST_ALLINC 0x80000 +#define APIC_DEST_ALLBUT 0xC0000 +#define APIC_ICR_RR_MASK 0x30000 +#define APIC_ICR_RR_INVALID 0x00000 +#define APIC_ICR_RR_INPROG 0x10000 +#define APIC_ICR_RR_VALID 0x20000 +#define APIC_INT_LEVELTRIG 0x08000 +#define APIC_INT_ASSERT 0x04000 +#define APIC_ICR_BUSY 0x01000 +#define APIC_DEST_LOGICAL 0x00800 +#define APIC_DEST_PHYSICAL 0x00000 +#define APIC_DM_FIXED 0x00000 +#define APIC_DM_LOWEST 0x00100 +#define APIC_DM_SMI 0x00200 +#define APIC_DM_REMRD 0x00300 +#define APIC_DM_NMI 0x00400 +#define APIC_DM_INIT 0x00500 +#define APIC_DM_STARTUP 0x00600 +#define APIC_DM_EXTINT 0x00700 +#define APIC_VECTOR_MASK 0x000FF +#define APIC_ICR2 0x310 +#define GET_APIC_DEST_FIELD(x) (((x) >> 24) & 0xFF) +#define SET_APIC_DEST_FIELD(x) ((x) << 24) +#define APIC_LVTT 0x320 +#define APIC_LVTTHMR 0x330 +#define APIC_LVTPC 0x340 +#define APIC_LVT0 0x350 +#define APIC_LVT_TIMER_BASE_MASK (0x3 << 18) +#define GET_APIC_TIMER_BASE(x) (((x) >> 18) & 0x3) +#define SET_APIC_TIMER_BASE(x) (((x) << 18)) +#define APIC_TIMER_BASE_CLKIN 0x0 +#define APIC_TIMER_BASE_TMBASE 0x1 +#define APIC_TIMER_BASE_DIV 0x2 +#define APIC_LVT_TIMER_PERIODIC (1 << 17) +#define APIC_LVT_MASKED (1 << 16) +#define APIC_LVT_LEVEL_TRIGGER (1 << 15) +#define APIC_LVT_REMOTE_IRR (1 << 14) +#define APIC_INPUT_POLARITY (1 << 13) +#define APIC_SEND_PENDING (1 << 12) +#define APIC_MODE_MASK 0x700 +#define GET_APIC_DELIVERY_MODE(x) (((x) >> 8) & 0x7) +#define SET_APIC_DELIVERY_MODE(x, y) (((x) & ~0x700) | ((y) << 8)) +#define APIC_MODE_FIXED 0x0 +#define APIC_MODE_NMI 0x4 +#define APIC_MODE_EXTINT 0x7 +#define APIC_LVT1 0x360 +#define APIC_LVTERR 0x370 +#define APIC_TMICT 0x380 +#define APIC_TMCCT 0x390 +#define APIC_TDCR 0x3E0 +#define APIC_SELF_IPI 0x3F0 +#define APIC_TDR_DIV_TMBASE (1 << 2) +#define APIC_TDR_DIV_1 0xB +#define APIC_TDR_DIV_2 0x0 +#define APIC_TDR_DIV_4 0x1 +#define APIC_TDR_DIV_8 0x2 +#define APIC_TDR_DIV_16 0x3 +#define APIC_TDR_DIV_32 0x8 +#define APIC_TDR_DIV_64 0x9 +#define APIC_TDR_DIV_128 0xA +#define APIC_EILVT0 0x500 +#define APIC_EILVT_NR_AMD_K8 1 /* # of extended interrupts */ +#define APIC_EILVT_NR_AMD_10H 4 +#define APIC_EILVT_LVTOFF(x) (((x) >> 4) & 0xF) +#define APIC_EILVT_MSG_FIX 0x0 +#define APIC_EILVT_MSG_SMI 0x2 +#define APIC_EILVT_MSG_NMI 0x4 +#define APIC_EILVT_MSG_EXT 0x7 +#define APIC_EILVT_MASKED (1 << 16) +#define APIC_EILVT1 0x510 +#define APIC_EILVT2 0x520 +#define APIC_EILVT3 0x530 + +#define APIC_BASE (fix_to_virt(FIX_APIC_BASE)) +#define APIC_BASE_MSR 0x800 +#define X2APIC_ENABLE (1UL << 10) + +#ifdef CONFIG_X86_32 +# define MAX_IO_APICS 64 +#else +# define MAX_IO_APICS 128 +# define MAX_LOCAL_APIC 32768 +#endif + +/* + * All x86-64 systems are xAPIC compatible. + * In the following, "apicid" is a physical APIC ID. + */ +#define XAPIC_DEST_CPUS_SHIFT 4 +#define XAPIC_DEST_CPUS_MASK ((1u << XAPIC_DEST_CPUS_SHIFT) - 1) +#define XAPIC_DEST_CLUSTER_MASK (XAPIC_DEST_CPUS_MASK << XAPIC_DEST_CPUS_SHIFT) +#define APIC_CLUSTER(apicid) ((apicid) & XAPIC_DEST_CLUSTER_MASK) +#define APIC_CLUSTERID(apicid) (APIC_CLUSTER(apicid) >> XAPIC_DEST_CPUS_SHIFT) +#define APIC_CPUID(apicid) ((apicid) & XAPIC_DEST_CPUS_MASK) +#define NUM_APIC_CLUSTERS ((BAD_APICID + 1) >> XAPIC_DEST_CPUS_SHIFT) + +/* + * the local APIC register structure, memory mapped. Not terribly well + * tested, but we might eventually use this one in the future - the + * problem why we cannot use it right now is the P5 APIC, it has an + * errata which cannot take 8-bit reads and writes, only 32-bit ones ... + */ +#define u32 unsigned int + +struct local_apic { + +/*000*/ struct { u32 __reserved[4]; } __reserved_01; + +/*010*/ struct { u32 __reserved[4]; } __reserved_02; + +/*020*/ struct { /* APIC ID Register */ + u32 __reserved_1 : 24, + phys_apic_id : 4, + __reserved_2 : 4; + u32 __reserved[3]; + } id; + +/*030*/ const + struct { /* APIC Version Register */ + u32 version : 8, + __reserved_1 : 8, + max_lvt : 8, + __reserved_2 : 8; + u32 __reserved[3]; + } version; + +/*040*/ struct { u32 __reserved[4]; } __reserved_03; + +/*050*/ struct { u32 __reserved[4]; } __reserved_04; + +/*060*/ struct { u32 __reserved[4]; } __reserved_05; + +/*070*/ struct { u32 __reserved[4]; } __reserved_06; + +/*080*/ struct { /* Task Priority Register */ + u32 priority : 8, + __reserved_1 : 24; + u32 __reserved_2[3]; + } tpr; + +/*090*/ const + struct { /* Arbitration Priority Register */ + u32 priority : 8, + __reserved_1 : 24; + u32 __reserved_2[3]; + } apr; + +/*0A0*/ const + struct { /* Processor Priority Register */ + u32 priority : 8, + __reserved_1 : 24; + u32 __reserved_2[3]; + } ppr; + +/*0B0*/ struct { /* End Of Interrupt Register */ + u32 eoi; + u32 __reserved[3]; + } eoi; + +/*0C0*/ struct { u32 __reserved[4]; } __reserved_07; + +/*0D0*/ struct { /* Logical Destination Register */ + u32 __reserved_1 : 24, + logical_dest : 8; + u32 __reserved_2[3]; + } ldr; + +/*0E0*/ struct { /* Destination Format Register */ + u32 __reserved_1 : 28, + model : 4; + u32 __reserved_2[3]; + } dfr; + +/*0F0*/ struct { /* Spurious Interrupt Vector Register */ + u32 spurious_vector : 8, + apic_enabled : 1, + focus_cpu : 1, + __reserved_2 : 22; + u32 __reserved_3[3]; + } svr; + +/*100*/ struct { /* In Service Register */ +/*170*/ u32 bitfield; + u32 __reserved[3]; + } isr [8]; + +/*180*/ struct { /* Trigger Mode Register */ +/*1F0*/ u32 bitfield; + u32 __reserved[3]; + } tmr [8]; + +/*200*/ struct { /* Interrupt Request Register */ +/*270*/ u32 bitfield; + u32 __reserved[3]; + } irr [8]; + +/*280*/ union { /* Error Status Register */ + struct { + u32 send_cs_error : 1, + receive_cs_error : 1, + send_accept_error : 1, + receive_accept_error : 1, + __reserved_1 : 1, + send_illegal_vector : 1, + receive_illegal_vector : 1, + illegal_register_address : 1, + __reserved_2 : 24; + u32 __reserved_3[3]; + } error_bits; + struct { + u32 errors; + u32 __reserved_3[3]; + } all_errors; + } esr; + +/*290*/ struct { u32 __reserved[4]; } __reserved_08; + +/*2A0*/ struct { u32 __reserved[4]; } __reserved_09; + +/*2B0*/ struct { u32 __reserved[4]; } __reserved_10; + +/*2C0*/ struct { u32 __reserved[4]; } __reserved_11; + +/*2D0*/ struct { u32 __reserved[4]; } __reserved_12; + +/*2E0*/ struct { u32 __reserved[4]; } __reserved_13; + +/*2F0*/ struct { u32 __reserved[4]; } __reserved_14; + +/*300*/ struct { /* Interrupt Command Register 1 */ + u32 vector : 8, + delivery_mode : 3, + destination_mode : 1, + delivery_status : 1, + __reserved_1 : 1, + level : 1, + trigger : 1, + __reserved_2 : 2, + shorthand : 2, + __reserved_3 : 12; + u32 __reserved_4[3]; + } icr1; + +/*310*/ struct { /* Interrupt Command Register 2 */ + union { + u32 __reserved_1 : 24, + phys_dest : 4, + __reserved_2 : 4; + u32 __reserved_3 : 24, + logical_dest : 8; + } dest; + u32 __reserved_4[3]; + } icr2; + +/*320*/ struct { /* LVT - Timer */ + u32 vector : 8, + __reserved_1 : 4, + delivery_status : 1, + __reserved_2 : 3, + mask : 1, + timer_mode : 1, + __reserved_3 : 14; + u32 __reserved_4[3]; + } lvt_timer; + +/*330*/ struct { /* LVT - Thermal Sensor */ + u32 vector : 8, + delivery_mode : 3, + __reserved_1 : 1, + delivery_status : 1, + __reserved_2 : 3, + mask : 1, + __reserved_3 : 15; + u32 __reserved_4[3]; + } lvt_thermal; + +/*340*/ struct { /* LVT - Performance Counter */ + u32 vector : 8, + delivery_mode : 3, + __reserved_1 : 1, + delivery_status : 1, + __reserved_2 : 3, + mask : 1, + __reserved_3 : 15; + u32 __reserved_4[3]; + } lvt_pc; + +/*350*/ struct { /* LVT - LINT0 */ + u32 vector : 8, + delivery_mode : 3, + __reserved_1 : 1, + delivery_status : 1, + polarity : 1, + remote_irr : 1, + trigger : 1, + mask : 1, + __reserved_2 : 15; + u32 __reserved_3[3]; + } lvt_lint0; + +/*360*/ struct { /* LVT - LINT1 */ + u32 vector : 8, + delivery_mode : 3, + __reserved_1 : 1, + delivery_status : 1, + polarity : 1, + remote_irr : 1, + trigger : 1, + mask : 1, + __reserved_2 : 15; + u32 __reserved_3[3]; + } lvt_lint1; + +/*370*/ struct { /* LVT - Error */ + u32 vector : 8, + __reserved_1 : 4, + delivery_status : 1, + __reserved_2 : 3, + mask : 1, + __reserved_3 : 15; + u32 __reserved_4[3]; + } lvt_error; + +/*380*/ struct { /* Timer Initial Count Register */ + u32 initial_count; + u32 __reserved_2[3]; + } timer_icr; + +/*390*/ const + struct { /* Timer Current Count Register */ + u32 curr_count; + u32 __reserved_2[3]; + } timer_ccr; + +/*3A0*/ struct { u32 __reserved[4]; } __reserved_16; + +/*3B0*/ struct { u32 __reserved[4]; } __reserved_17; + +/*3C0*/ struct { u32 __reserved[4]; } __reserved_18; + +/*3D0*/ struct { u32 __reserved[4]; } __reserved_19; + +/*3E0*/ struct { /* Timer Divide Configuration Register */ + u32 divisor : 4, + __reserved_1 : 28; + u32 __reserved_2[3]; + } timer_dcr; + +/*3F0*/ struct { u32 __reserved[4]; } __reserved_20; + +} __attribute__ ((packed)); + +#undef u32 + +#ifdef CONFIG_X86_32 + #define BAD_APICID 0xFFu +#else + #define BAD_APICID 0xFFFFu +#endif +#endif /* ASM_X86__APICDEF_H */ diff --git a/arch/x86/include/asm/arch_hooks.h b/arch/x86/include/asm/arch_hooks.h new file mode 100644 index 00000000000..de4596b24c2 --- /dev/null +++ b/arch/x86/include/asm/arch_hooks.h @@ -0,0 +1,26 @@ +#ifndef ASM_X86__ARCH_HOOKS_H +#define ASM_X86__ARCH_HOOKS_H + +#include + +/* + * linux/include/asm/arch_hooks.h + * + * define the architecture specific hooks + */ + +/* these aren't arch hooks, they are generic routines + * that can be used by the hooks */ +extern void init_ISA_irqs(void); +extern irqreturn_t timer_interrupt(int irq, void *dev_id); + +/* these are the defined hooks */ +extern void intr_init_hook(void); +extern void pre_intr_init_hook(void); +extern void pre_setup_arch_hook(void); +extern void trap_init_hook(void); +extern void pre_time_init_hook(void); +extern void time_init_hook(void); +extern void mca_nmi_hook(void); + +#endif /* ASM_X86__ARCH_HOOKS_H */ diff --git a/arch/x86/include/asm/asm.h b/arch/x86/include/asm/asm.h new file mode 100644 index 00000000000..e1355f44d7c --- /dev/null +++ b/arch/x86/include/asm/asm.h @@ -0,0 +1,47 @@ +#ifndef ASM_X86__ASM_H +#define ASM_X86__ASM_H + +#ifdef __ASSEMBLY__ +# define __ASM_FORM(x) x +# define __ASM_EX_SEC .section __ex_table +#else +# define __ASM_FORM(x) " " #x " " +# define __ASM_EX_SEC " .section __ex_table,\"a\"\n" +#endif + +#ifdef CONFIG_X86_32 +# define __ASM_SEL(a,b) __ASM_FORM(a) +#else +# define __ASM_SEL(a,b) __ASM_FORM(b) +#endif + +#define __ASM_SIZE(inst) __ASM_SEL(inst##l, inst##q) +#define __ASM_REG(reg) __ASM_SEL(e##reg, r##reg) + +#define _ASM_PTR __ASM_SEL(.long, .quad) +#define _ASM_ALIGN __ASM_SEL(.balign 4, .balign 8) + +#define _ASM_MOV __ASM_SIZE(mov) +#define _ASM_INC __ASM_SIZE(inc) +#define _ASM_DEC __ASM_SIZE(dec) +#define _ASM_ADD __ASM_SIZE(add) +#define _ASM_SUB __ASM_SIZE(sub) +#define _ASM_XADD __ASM_SIZE(xadd) + +#define _ASM_AX __ASM_REG(ax) +#define _ASM_BX __ASM_REG(bx) +#define _ASM_CX __ASM_REG(cx) +#define _ASM_DX __ASM_REG(dx) +#define _ASM_SP __ASM_REG(sp) +#define _ASM_BP __ASM_REG(bp) +#define _ASM_SI __ASM_REG(si) +#define _ASM_DI __ASM_REG(di) + +/* Exception table entry */ +# define _ASM_EXTABLE(from,to) \ + __ASM_EX_SEC \ + _ASM_ALIGN "\n" \ + _ASM_PTR #from "," #to "\n" \ + " .previous\n" + +#endif /* ASM_X86__ASM_H */ diff --git a/arch/x86/include/asm/atomic.h b/arch/x86/include/asm/atomic.h new file mode 100644 index 00000000000..4e1b8873c47 --- /dev/null +++ b/arch/x86/include/asm/atomic.h @@ -0,0 +1,5 @@ +#ifdef CONFIG_X86_32 +# include "atomic_32.h" +#else +# include "atomic_64.h" +#endif diff --git a/arch/x86/include/asm/atomic_32.h b/arch/x86/include/asm/atomic_32.h new file mode 100644 index 00000000000..14d3f0beb88 --- /dev/null +++ b/arch/x86/include/asm/atomic_32.h @@ -0,0 +1,259 @@ +#ifndef ASM_X86__ATOMIC_32_H +#define ASM_X86__ATOMIC_32_H + +#include +#include +#include + +/* + * Atomic operations that C can't guarantee us. Useful for + * resource counting etc.. + */ + +/* + * Make sure gcc doesn't try to be clever and move things around + * on us. We need to use _exactly_ the address the user gave us, + * not some alias that contains the same information. + */ +typedef struct { + int counter; +} atomic_t; + +#define ATOMIC_INIT(i) { (i) } + +/** + * atomic_read - read atomic variable + * @v: pointer of type atomic_t + * + * Atomically reads the value of @v. + */ +#define atomic_read(v) ((v)->counter) + +/** + * atomic_set - set atomic variable + * @v: pointer of type atomic_t + * @i: required value + * + * Atomically sets the value of @v to @i. + */ +#define atomic_set(v, i) (((v)->counter) = (i)) + +/** + * atomic_add - add integer to atomic variable + * @i: integer value to add + * @v: pointer of type atomic_t + * + * Atomically adds @i to @v. + */ +static inline void atomic_add(int i, atomic_t *v) +{ + asm volatile(LOCK_PREFIX "addl %1,%0" + : "+m" (v->counter) + : "ir" (i)); +} + +/** + * atomic_sub - subtract integer from atomic variable + * @i: integer value to subtract + * @v: pointer of type atomic_t + * + * Atomically subtracts @i from @v. + */ +static inline void atomic_sub(int i, atomic_t *v) +{ + asm volatile(LOCK_PREFIX "subl %1,%0" + : "+m" (v->counter) + : "ir" (i)); +} + +/** + * atomic_sub_and_test - subtract value from variable and test result + * @i: integer value to subtract + * @v: pointer of type atomic_t + * + * Atomically subtracts @i from @v and returns + * true if the result is zero, or false for all + * other cases. + */ +static inline int atomic_sub_and_test(int i, atomic_t *v) +{ + unsigned char c; + + asm volatile(LOCK_PREFIX "subl %2,%0; sete %1" + : "+m" (v->counter), "=qm" (c) + : "ir" (i) : "memory"); + return c; +} + +/** + * atomic_inc - increment atomic variable + * @v: pointer of type atomic_t + * + * Atomically increments @v by 1. + */ +static inline void atomic_inc(atomic_t *v) +{ + asm volatile(LOCK_PREFIX "incl %0" + : "+m" (v->counter)); +} + +/** + * atomic_dec - decrement atomic variable + * @v: pointer of type atomic_t + * + * Atomically decrements @v by 1. + */ +static inline void atomic_dec(atomic_t *v) +{ + asm volatile(LOCK_PREFIX "decl %0" + : "+m" (v->counter)); +} + +/** + * atomic_dec_and_test - decrement and test + * @v: pointer of type atomic_t + * + * Atomically decrements @v by 1 and + * returns true if the result is 0, or false for all other + * cases. + */ +static inline int atomic_dec_and_test(atomic_t *v) +{ + unsigned char c; + + asm volatile(LOCK_PREFIX "decl %0; sete %1" + : "+m" (v->counter), "=qm" (c) + : : "memory"); + return c != 0; +} + +/** + * atomic_inc_and_test - increment and test + * @v: pointer of type atomic_t + * + * Atomically increments @v by 1 + * and returns true if the result is zero, or false for all + * other cases. + */ +static inline int atomic_inc_and_test(atomic_t *v) +{ + unsigned char c; + + asm volatile(LOCK_PREFIX "incl %0; sete %1" + : "+m" (v->counter), "=qm" (c) + : : "memory"); + return c != 0; +} + +/** + * atomic_add_negative - add and test if negative + * @v: pointer of type atomic_t + * @i: integer value to add + * + * Atomically adds @i to @v and returns true + * if the result is negative, or false when + * result is greater than or equal to zero. + */ +static inline int atomic_add_negative(int i, atomic_t *v) +{ + unsigned char c; + + asm volatile(LOCK_PREFIX "addl %2,%0; sets %1" + : "+m" (v->counter), "=qm" (c) + : "ir" (i) : "memory"); + return c; +} + +/** + * atomic_add_return - add integer and return + * @v: pointer of type atomic_t + * @i: integer value to add + * + * Atomically adds @i to @v and returns @i + @v + */ +static inline int atomic_add_return(int i, atomic_t *v) +{ + int __i; +#ifdef CONFIG_M386 + unsigned long flags; + if (unlikely(boot_cpu_data.x86 <= 3)) + goto no_xadd; +#endif + /* Modern 486+ processor */ + __i = i; + asm volatile(LOCK_PREFIX "xaddl %0, %1" + : "+r" (i), "+m" (v->counter) + : : "memory"); + return i + __i; + +#ifdef CONFIG_M386 +no_xadd: /* Legacy 386 processor */ + local_irq_save(flags); + __i = atomic_read(v); + atomic_set(v, i + __i); + local_irq_restore(flags); + return i + __i; +#endif +} + +/** + * atomic_sub_return - subtract integer and return + * @v: pointer of type atomic_t + * @i: integer value to subtract + * + * Atomically subtracts @i from @v and returns @v - @i + */ +static inline int atomic_sub_return(int i, atomic_t *v) +{ + return atomic_add_return(-i, v); +} + +#define atomic_cmpxchg(v, old, new) (cmpxchg(&((v)->counter), (old), (new))) +#define atomic_xchg(v, new) (xchg(&((v)->counter), (new))) + +/** + * atomic_add_unless - add unless the number is already a given value + * @v: pointer of type atomic_t + * @a: the amount to add to v... + * @u: ...unless v is equal to u. + * + * Atomically adds @a to @v, so long as @v was not already @u. + * Returns non-zero if @v was not @u, and zero otherwise. + */ +static inline int atomic_add_unless(atomic_t *v, int a, int u) +{ + int c, old; + c = atomic_read(v); + for (;;) { + if (unlikely(c == (u))) + break; + old = atomic_cmpxchg((v), c, c + (a)); + if (likely(old == c)) + break; + c = old; + } + return c != (u); +} + +#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) + +#define atomic_inc_return(v) (atomic_add_return(1, v)) +#define atomic_dec_return(v) (atomic_sub_return(1, v)) + +/* These are x86-specific, used by some header files */ +#define atomic_clear_mask(mask, addr) \ + asm volatile(LOCK_PREFIX "andl %0,%1" \ + : : "r" (~(mask)), "m" (*(addr)) : "memory") + +#define atomic_set_mask(mask, addr) \ + asm volatile(LOCK_PREFIX "orl %0,%1" \ + : : "r" (mask), "m" (*(addr)) : "memory") + +/* Atomic operations are already serializing on x86 */ +#define smp_mb__before_atomic_dec() barrier() +#define smp_mb__after_atomic_dec() barrier() +#define smp_mb__before_atomic_inc() barrier() +#define smp_mb__after_atomic_inc() barrier() + +#include +#endif /* ASM_X86__ATOMIC_32_H */ diff --git a/arch/x86/include/asm/atomic_64.h b/arch/x86/include/asm/atomic_64.h new file mode 100644 index 00000000000..2cb218c4a35 --- /dev/null +++ b/arch/x86/include/asm/atomic_64.h @@ -0,0 +1,473 @@ +#ifndef ASM_X86__ATOMIC_64_H +#define ASM_X86__ATOMIC_64_H + +#include +#include + +/* atomic_t should be 32 bit signed type */ + +/* + * Atomic operations that C can't guarantee us. Useful for + * resource counting etc.. + */ + +/* + * Make sure gcc doesn't try to be clever and move things around + * on us. We need to use _exactly_ the address the user gave us, + * not some alias that contains the same information. + */ +typedef struct { + int counter; +} atomic_t; + +#define ATOMIC_INIT(i) { (i) } + +/** + * atomic_read - read atomic variable + * @v: pointer of type atomic_t + * + * Atomically reads the value of @v. + */ +#define atomic_read(v) ((v)->counter) + +/** + * atomic_set - set atomic variable + * @v: pointer of type atomic_t + * @i: required value + * + * Atomically sets the value of @v to @i. + */ +#define atomic_set(v, i) (((v)->counter) = (i)) + +/** + * atomic_add - add integer to atomic variable + * @i: integer value to add + * @v: pointer of type atomic_t + * + * Atomically adds @i to @v. + */ +static inline void atomic_add(int i, atomic_t *v) +{ + asm volatile(LOCK_PREFIX "addl %1,%0" + : "=m" (v->counter) + : "ir" (i), "m" (v->counter)); +} + +/** + * atomic_sub - subtract the atomic variable + * @i: integer value to subtract + * @v: pointer of type atomic_t + * + * Atomically subtracts @i from @v. + */ +static inline void atomic_sub(int i, atomic_t *v) +{ + asm volatile(LOCK_PREFIX "subl %1,%0" + : "=m" (v->counter) + : "ir" (i), "m" (v->counter)); +} + +/** + * atomic_sub_and_test - subtract value from variable and test result + * @i: integer value to subtract + * @v: pointer of type atomic_t + * + * Atomically subtracts @i from @v and returns + * true if the result is zero, or false for all + * other cases. + */ +static inline int atomic_sub_and_test(int i, atomic_t *v) +{ + unsigned char c; + + asm volatile(LOCK_PREFIX "subl %2,%0; sete %1" + : "=m" (v->counter), "=qm" (c) + : "ir" (i), "m" (v->counter) : "memory"); + return c; +} + +/** + * atomic_inc - increment atomic variable + * @v: pointer of type atomic_t + * + * Atomically increments @v by 1. + */ +static inline void atomic_inc(atomic_t *v) +{ + asm volatile(LOCK_PREFIX "incl %0" + : "=m" (v->counter) + : "m" (v->counter)); +} + +/** + * atomic_dec - decrement atomic variable + * @v: pointer of type atomic_t + * + * Atomically decrements @v by 1. + */ +static inline void atomic_dec(atomic_t *v) +{ + asm volatile(LOCK_PREFIX "decl %0" + : "=m" (v->counter) + : "m" (v->counter)); +} + +/** + * atomic_dec_and_test - decrement and test + * @v: pointer of type atomic_t + * + * Atomically decrements @v by 1 and + * returns true if the result is 0, or false for all other + * cases. + */ +static inline int atomic_dec_and_test(atomic_t *v) +{ + unsigned char c; + + asm volatile(LOCK_PREFIX "decl %0; sete %1" + : "=m" (v->counter), "=qm" (c) + : "m" (v->counter) : "memory"); + return c != 0; +} + +/** + * atomic_inc_and_test - increment and test + * @v: pointer of type atomic_t + * + * Atomically increments @v by 1 + * and returns true if the result is zero, or false for all + * other cases. + */ +static inline int atomic_inc_and_test(atomic_t *v) +{ + unsigned char c; + + asm volatile(LOCK_PREFIX "incl %0; sete %1" + : "=m" (v->counter), "=qm" (c) + : "m" (v->counter) : "memory"); + return c != 0; +} + +/** + * atomic_add_negative - add and test if negative + * @i: integer value to add + * @v: pointer of type atomic_t + * + * Atomically adds @i to @v and returns true + * if the result is negative, or false when + * result is greater than or equal to zero. + */ +static inline int atomic_add_negative(int i, atomic_t *v) +{ + unsigned char c; + + asm volatile(LOCK_PREFIX "addl %2,%0; sets %1" + : "=m" (v->counter), "=qm" (c) + : "ir" (i), "m" (v->counter) : "memory"); + return c; +} + +/** + * atomic_add_return - add and return + * @i: integer value to add + * @v: pointer of type atomic_t + * + * Atomically adds @i to @v and returns @i + @v + */ +static inline int atomic_add_return(int i, atomic_t *v) +{ + int __i = i; + asm volatile(LOCK_PREFIX "xaddl %0, %1" + : "+r" (i), "+m" (v->counter) + : : "memory"); + return i + __i; +} + +static inline int atomic_sub_return(int i, atomic_t *v) +{ + return atomic_add_return(-i, v); +} + +#define atomic_inc_return(v) (atomic_add_return(1, v)) +#define atomic_dec_return(v) (atomic_sub_return(1, v)) + +/* An 64bit atomic type */ + +typedef struct { + long counter; +} atomic64_t; + +#define ATOMIC64_INIT(i) { (i) } + +/** + * atomic64_read - read atomic64 variable + * @v: pointer of type atomic64_t + * + * Atomically reads the value of @v. + * Doesn't imply a read memory barrier. + */ +#define atomic64_read(v) ((v)->counter) + +/** + * atomic64_set - set atomic64 variable + * @v: pointer to type atomic64_t + * @i: required value + * + * Atomically sets the value of @v to @i. + */ +#define atomic64_set(v, i) (((v)->counter) = (i)) + +/** + * atomic64_add - add integer to atomic64 variable + * @i: integer value to add + * @v: pointer to type atomic64_t + * + * Atomically adds @i to @v. + */ +static inline void atomic64_add(long i, atomic64_t *v) +{ + asm volatile(LOCK_PREFIX "addq %1,%0" + : "=m" (v->counter) + : "er" (i), "m" (v->counter)); +} + +/** + * atomic64_sub - subtract the atomic64 variable + * @i: integer value to subtract + * @v: pointer to type atomic64_t + * + * Atomically subtracts @i from @v. + */ +static inline void atomic64_sub(long i, atomic64_t *v) +{ + asm volatile(LOCK_PREFIX "subq %1,%0" + : "=m" (v->counter) + : "er" (i), "m" (v->counter)); +} + +/** + * atomic64_sub_and_test - subtract value from variable and test result + * @i: integer value to subtract + * @v: pointer to type atomic64_t + * + * Atomically subtracts @i from @v and returns + * true if the result is zero, or false for all + * other cases. + */ +static inline int atomic64_sub_and_test(long i, atomic64_t *v) +{ + unsigned char c; + + asm volatile(LOCK_PREFIX "subq %2,%0; sete %1" + : "=m" (v->counter), "=qm" (c) + : "er" (i), "m" (v->counter) : "memory"); + return c; +} + +/** + * atomic64_inc - increment atomic64 variable + * @v: pointer to type atomic64_t + * + * Atomically increments @v by 1. + */ +static inline void atomic64_inc(atomic64_t *v) +{ + asm volatile(LOCK_PREFIX "incq %0" + : "=m" (v->counter) + : "m" (v->counter)); +} + +/** + * atomic64_dec - decrement atomic64 variable + * @v: pointer to type atomic64_t + * + * Atomically decrements @v by 1. + */ +static inline void atomic64_dec(atomic64_t *v) +{ + asm volatile(LOCK_PREFIX "decq %0" + : "=m" (v->counter) + : "m" (v->counter)); +} + +/** + * atomic64_dec_and_test - decrement and test + * @v: pointer to type atomic64_t + * + * Atomically decrements @v by 1 and + * returns true if the result is 0, or false for all other + * cases. + */ +static inline int atomic64_dec_and_test(atomic64_t *v) +{ + unsigned char c; + + asm volatile(LOCK_PREFIX "decq %0; sete %1" + : "=m" (v->counter), "=qm" (c) + : "m" (v->counter) : "memory"); + return c != 0; +} + +/** + * atomic64_inc_and_test - increment and test + * @v: pointer to type atomic64_t + * + * Atomically increments @v by 1 + * and returns true if the result is zero, or false for all + * other cases. + */ +static inline int atomic64_inc_and_test(atomic64_t *v) +{ + unsigned char c; + + asm volatile(LOCK_PREFIX "incq %0; sete %1" + : "=m" (v->counter), "=qm" (c) + : "m" (v->counter) : "memory"); + return c != 0; +} + +/** + * atomic64_add_negative - add and test if negative + * @i: integer value to add + * @v: pointer to type atomic64_t + * + * Atomically adds @i to @v and returns true + * if the result is negative, or false when + * result is greater than or equal to zero. + */ +static inline int atomic64_add_negative(long i, atomic64_t *v) +{ + unsigned char c; + + asm volatile(LOCK_PREFIX "addq %2,%0; sets %1" + : "=m" (v->counter), "=qm" (c) + : "er" (i), "m" (v->counter) : "memory"); + return c; +} + +/** + * atomic64_add_return - add and return + * @i: integer value to add + * @v: pointer to type atomic64_t + * + * Atomically adds @i to @v and returns @i + @v + */ +static inline long atomic64_add_return(long i, atomic64_t *v) +{ + long __i = i; + asm volatile(LOCK_PREFIX "xaddq %0, %1;" + : "+r" (i), "+m" (v->counter) + : : "memory"); + return i + __i; +} + +static inline long atomic64_sub_return(long i, atomic64_t *v) +{ + return atomic64_add_return(-i, v); +} + +#define atomic64_inc_return(v) (atomic64_add_return(1, (v))) +#define atomic64_dec_return(v) (atomic64_sub_return(1, (v))) + +#define atomic64_cmpxchg(v, old, new) (cmpxchg(&((v)->counter), (old), (new))) +#define atomic64_xchg(v, new) (xchg(&((v)->counter), new)) + +#define atomic_cmpxchg(v, old, new) (cmpxchg(&((v)->counter), (old), (new))) +#define atomic_xchg(v, new) (xchg(&((v)->counter), (new))) + +/** + * atomic_add_unless - add unless the number is a given value + * @v: pointer of type atomic_t + * @a: the amount to add to v... + * @u: ...unless v is equal to u. + * + * Atomically adds @a to @v, so long as it was not @u. + * Returns non-zero if @v was not @u, and zero otherwise. + */ +static inline int atomic_add_unless(atomic_t *v, int a, int u) +{ + int c, old; + c = atomic_read(v); + for (;;) { + if (unlikely(c == (u))) + break; + old = atomic_cmpxchg((v), c, c + (a)); + if (likely(old == c)) + break; + c = old; + } + return c != (u); +} + +#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) + +/** + * atomic64_add_unless - add unless the number is a given value + * @v: pointer of type atomic64_t + * @a: the amount to add to v... + * @u: ...unless v is equal to u. + * + * Atomically adds @a to @v, so long as it was not @u. + * Returns non-zero if @v was not @u, and zero otherwise. + */ +static inline int atomic64_add_unless(atomic64_t *v, long a, long u) +{ + long c, old; + c = atomic64_read(v); + for (;;) { + if (unlikely(c == (u))) + break; + old = atomic64_cmpxchg((v), c, c + (a)); + if (likely(old == c)) + break; + c = old; + } + return c != (u); +} + +/** + * atomic_inc_short - increment of a short integer + * @v: pointer to type int + * + * Atomically adds 1 to @v + * Returns the new value of @u + */ +static inline short int atomic_inc_short(short int *v) +{ + asm(LOCK_PREFIX "addw $1, %0" : "+m" (*v)); + return *v; +} + +/** + * atomic_or_long - OR of two long integers + * @v1: pointer to type unsigned long + * @v2: pointer to type unsigned long + * + * Atomically ORs @v1 and @v2 + * Returns the result of the OR + */ +static inline void atomic_or_long(unsigned long *v1, unsigned long v2) +{ + asm(LOCK_PREFIX "orq %1, %0" : "+m" (*v1) : "r" (v2)); +} + +#define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0) + +/* These are x86-specific, used by some header files */ +#define atomic_clear_mask(mask, addr) \ + asm volatile(LOCK_PREFIX "andl %0,%1" \ + : : "r" (~(mask)), "m" (*(addr)) : "memory") + +#define atomic_set_mask(mask, addr) \ + asm volatile(LOCK_PREFIX "orl %0,%1" \ + : : "r" ((unsigned)(mask)), "m" (*(addr)) \ + : "memory") + +/* Atomic operations are already serializing on x86 */ +#define smp_mb__before_atomic_dec() barrier() +#define smp_mb__after_atomic_dec() barrier() +#define smp_mb__before_atomic_inc() barrier() +#define smp_mb__after_atomic_inc() barrier() + +#include +#endif /* ASM_X86__ATOMIC_64_H */ diff --git a/arch/x86/include/asm/auxvec.h b/arch/x86/include/asm/auxvec.h new file mode 100644 index 00000000000..12c7cac7420 --- /dev/null +++ b/arch/x86/include/asm/auxvec.h @@ -0,0 +1,12 @@ +#ifndef ASM_X86__AUXVEC_H +#define ASM_X86__AUXVEC_H +/* + * Architecture-neutral AT_ values in 0-17, leave some room + * for more of them, start the x86-specific ones at 32. + */ +#ifdef __i386__ +#define AT_SYSINFO 32 +#endif +#define AT_SYSINFO_EHDR 33 + +#endif /* ASM_X86__AUXVEC_H */ diff --git a/arch/x86/include/asm/bigsmp/apic.h b/arch/x86/include/asm/bigsmp/apic.h new file mode 100644 index 00000000000..1d9543b9d35 --- /dev/null +++ b/arch/x86/include/asm/bigsmp/apic.h @@ -0,0 +1,139 @@ +#ifndef __ASM_MACH_APIC_H +#define __ASM_MACH_APIC_H + +#define xapic_phys_to_log_apicid(cpu) (per_cpu(x86_bios_cpu_apicid, cpu)) +#define esr_disable (1) + +static inline int apic_id_registered(void) +{ + return (1); +} + +static inline cpumask_t target_cpus(void) +{ +#ifdef CONFIG_SMP + return cpu_online_map; +#else + return cpumask_of_cpu(0); +#endif +} + +#undef APIC_DEST_LOGICAL +#define APIC_DEST_LOGICAL 0 +#define APIC_DFR_VALUE (APIC_DFR_FLAT) +#define INT_DELIVERY_MODE (dest_Fixed) +#define INT_DEST_MODE (0) /* phys delivery to target proc */ +#define NO_BALANCE_IRQ (0) +#define WAKE_SECONDARY_VIA_INIT + + +static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid) +{ + return (0); +} + +static inline unsigned long check_apicid_present(int bit) +{ + return (1); +} + +static inline unsigned long calculate_ldr(int cpu) +{ + unsigned long val, id; + val = apic_read(APIC_LDR) & ~APIC_LDR_MASK; + id = xapic_phys_to_log_apicid(cpu); + val |= SET_APIC_LOGICAL_ID(id); + return val; +} + +/* + * Set up the logical destination ID. + * + * Intel recommends to set DFR, LDR and TPR before enabling + * an APIC. See e.g. "AP-388 82489DX User's Manual" (Intel + * document number 292116). So here it goes... + */ +static inline void init_apic_ldr(void) +{ + unsigned long val; + int cpu = smp_processor_id(); + + apic_write(APIC_DFR, APIC_DFR_VALUE); + val = calculate_ldr(cpu); + apic_write(APIC_LDR, val); +} + +static inline void setup_apic_routing(void) +{ + printk("Enabling APIC mode: %s. Using %d I/O APICs\n", + "Physflat", nr_ioapics); +} + +static inline int multi_timer_check(int apic, int irq) +{ + return (0); +} + +static inline int apicid_to_node(int logical_apicid) +{ + return apicid_2_node[hard_smp_processor_id()]; +} + +static inline int cpu_present_to_apicid(int mps_cpu) +{ + if (mps_cpu < NR_CPUS) + return (int) per_cpu(x86_bios_cpu_apicid, mps_cpu); + + return BAD_APICID; +} + +static inline physid_mask_t apicid_to_cpu_present(int phys_apicid) +{ + return physid_mask_of_physid(phys_apicid); +} + +extern u8 cpu_2_logical_apicid[]; +/* Mapping from cpu number to logical apicid */ +static inline int cpu_to_logical_apicid(int cpu) +{ + if (cpu >= NR_CPUS) + return BAD_APICID; + return cpu_physical_id(cpu); +} + +static inline physid_mask_t ioapic_phys_id_map(physid_mask_t phys_map) +{ + /* For clustered we don't have a good way to do this yet - hack */ + return physids_promote(0xFFL); +} + +static inline void setup_portio_remap(void) +{ +} + +static inline void enable_apic_mode(void) +{ +} + +static inline int check_phys_apicid_present(int boot_cpu_physical_apicid) +{ + return (1); +} + +/* As we are using single CPU as destination, pick only one CPU here */ +static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask) +{ + int cpu; + int apicid; + + cpu = first_cpu(cpumask); + apicid = cpu_to_logical_apicid(cpu); + return apicid; +} + +static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb) +{ + return cpuid_apic >> index_msb; +} + +#endif /* __ASM_MACH_APIC_H */ diff --git a/arch/x86/include/asm/bigsmp/apicdef.h b/arch/x86/include/asm/bigsmp/apicdef.h new file mode 100644 index 00000000000..392c3f5ef2f --- /dev/null +++ b/arch/x86/include/asm/bigsmp/apicdef.h @@ -0,0 +1,13 @@ +#ifndef __ASM_MACH_APICDEF_H +#define __ASM_MACH_APICDEF_H + +#define APIC_ID_MASK (0xFF<<24) + +static inline unsigned get_apic_id(unsigned long x) +{ + return (((x)>>24)&0xFF); +} + +#define GET_APIC_ID(x) get_apic_id(x) + +#endif diff --git a/arch/x86/include/asm/bigsmp/ipi.h b/arch/x86/include/asm/bigsmp/ipi.h new file mode 100644 index 00000000000..9404c535b7e --- /dev/null +++ b/arch/x86/include/asm/bigsmp/ipi.h @@ -0,0 +1,25 @@ +#ifndef __ASM_MACH_IPI_H +#define __ASM_MACH_IPI_H + +void send_IPI_mask_sequence(cpumask_t mask, int vector); + +static inline void send_IPI_mask(cpumask_t mask, int vector) +{ + send_IPI_mask_sequence(mask, vector); +} + +static inline void send_IPI_allbutself(int vector) +{ + cpumask_t mask = cpu_online_map; + cpu_clear(smp_processor_id(), mask); + + if (!cpus_empty(mask)) + send_IPI_mask(mask, vector); +} + +static inline void send_IPI_all(int vector) +{ + send_IPI_mask(cpu_online_map, vector); +} + +#endif /* __ASM_MACH_IPI_H */ diff --git a/arch/x86/include/asm/bios_ebda.h b/arch/x86/include/asm/bios_ebda.h new file mode 100644 index 00000000000..79b4b88505d --- /dev/null +++ b/arch/x86/include/asm/bios_ebda.h @@ -0,0 +1,36 @@ +#ifndef ASM_X86__BIOS_EBDA_H +#define ASM_X86__BIOS_EBDA_H + +#include + +/* + * there is a real-mode segmented pointer pointing to the + * 4K EBDA area at 0x40E. + */ +static inline unsigned int get_bios_ebda(void) +{ + unsigned int address = *(unsigned short *)phys_to_virt(0x40E); + address <<= 4; + return address; /* 0 means none */ +} + +void reserve_ebda_region(void); + +#ifdef CONFIG_X86_CHECK_BIOS_CORRUPTION +/* + * This is obviously not a great place for this, but we want to be + * able to scatter it around anywhere in the kernel. + */ +void check_for_bios_corruption(void); +void start_periodic_check_for_corruption(void); +#else +static inline void check_for_bios_corruption(void) +{ +} + +static inline void start_periodic_check_for_corruption(void) +{ +} +#endif + +#endif /* ASM_X86__BIOS_EBDA_H */ diff --git a/arch/x86/include/asm/bitops.h b/arch/x86/include/asm/bitops.h new file mode 100644 index 00000000000..451a74762bd --- /dev/null +++ b/arch/x86/include/asm/bitops.h @@ -0,0 +1,451 @@ +#ifndef ASM_X86__BITOPS_H +#define ASM_X86__BITOPS_H + +/* + * Copyright 1992, Linus Torvalds. + */ + +#ifndef _LINUX_BITOPS_H +#error only can be included directly +#endif + +#include +#include + +/* + * These have to be done with inline assembly: that way the bit-setting + * is guaranteed to be atomic. All bit operations return 0 if the bit + * was cleared before the operation and != 0 if it was not. + * + * bit 0 is the LSB of addr; bit 32 is the LSB of (addr+1). + */ + +#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 1) +/* Technically wrong, but this avoids compilation errors on some gcc + versions. */ +#define BITOP_ADDR(x) "=m" (*(volatile long *) (x)) +#else +#define BITOP_ADDR(x) "+m" (*(volatile long *) (x)) +#endif + +#define ADDR BITOP_ADDR(addr) + +/* + * We do the locked ops that don't return the old value as + * a mask operation on a byte. + */ +#define IS_IMMEDIATE(nr) (__builtin_constant_p(nr)) +#define CONST_MASK_ADDR(nr, addr) BITOP_ADDR((void *)(addr) + ((nr)>>3)) +#define CONST_MASK(nr) (1 << ((nr) & 7)) + +/** + * set_bit - Atomically set a bit in memory + * @nr: the bit to set + * @addr: the address to start counting from + * + * This function is atomic and may not be reordered. See __set_bit() + * if you do not require the atomic guarantees. + * + * Note: there are no guarantees that this function will not be reordered + * on non x86 architectures, so if you are writing portable code, + * make sure not to rely on its reordering guarantees. + * + * Note that @nr may be almost arbitrarily large; this function is not + * restricted to acting on a single-word quantity. + */ +static inline void set_bit(unsigned int nr, volatile unsigned long *addr) +{ + if (IS_IMMEDIATE(nr)) { + asm volatile(LOCK_PREFIX "orb %1,%0" + : CONST_MASK_ADDR(nr, addr) + : "iq" ((u8)CONST_MASK(nr)) + : "memory"); + } else { + asm volatile(LOCK_PREFIX "bts %1,%0" + : BITOP_ADDR(addr) : "Ir" (nr) : "memory"); + } +} + +/** + * __set_bit - Set a bit in memory + * @nr: the bit to set + * @addr: the address to start counting from + * + * Unlike set_bit(), this function is non-atomic and may be reordered. + * If it's called on the same region of memory simultaneously, the effect + * may be that only one operation succeeds. + */ +static inline void __set_bit(int nr, volatile unsigned long *addr) +{ + asm volatile("bts %1,%0" : ADDR : "Ir" (nr) : "memory"); +} + +/** + * clear_bit - Clears a bit in memory + * @nr: Bit to clear + * @addr: Address to start counting from + * + * clear_bit() is atomic and may not be reordered. However, it does + * not contain a memory barrier, so if it is used for locking purposes, + * you should call smp_mb__before_clear_bit() and/or smp_mb__after_clear_bit() + * in order to ensure changes are visible on other processors. + */ +static inline void clear_bit(int nr, volatile unsigned long *addr) +{ + if (IS_IMMEDIATE(nr)) { + asm volatile(LOCK_PREFIX "andb %1,%0" + : CONST_MASK_ADDR(nr, addr) + : "iq" ((u8)~CONST_MASK(nr))); + } else { + asm volatile(LOCK_PREFIX "btr %1,%0" + : BITOP_ADDR(addr) + : "Ir" (nr)); + } +} + +/* + * clear_bit_unlock - Clears a bit in memory + * @nr: Bit to clear + * @addr: Address to start counting from + * + * clear_bit() is atomic and implies release semantics before the memory + * operation. It can be used for an unlock. + */ +static inline void clear_bit_unlock(unsigned nr, volatile unsigned long *addr) +{ + barrier(); + clear_bit(nr, addr); +} + +static inline void __clear_bit(int nr, volatile unsigned long *addr) +{ + asm volatile("btr %1,%0" : ADDR : "Ir" (nr)); +} + +/* + * __clear_bit_unlock - Clears a bit in memory + * @nr: Bit to clear + * @addr: Address to start counting from + * + * __clear_bit() is non-atomic and implies release semantics before the memory + * operation. It can be used for an unlock if no other CPUs can concurrently + * modify other bits in the word. + * + * No memory barrier is required here, because x86 cannot reorder stores past + * older loads. Same principle as spin_unlock. + */ +static inline void __clear_bit_unlock(unsigned nr, volatile unsigned long *addr) +{ + barrier(); + __clear_bit(nr, addr); +} + +#define smp_mb__before_clear_bit() barrier() +#define smp_mb__after_clear_bit() barrier() + +/** + * __change_bit - Toggle a bit in memory + * @nr: the bit to change + * @addr: the address to start counting from + * + * Unlike change_bit(), this function is non-atomic and may be reordered. + * If it's called on the same region of memory simultaneously, the effect + * may be that only one operation succeeds. + */ +static inline void __change_bit(int nr, volatile unsigned long *addr) +{ + asm volatile("btc %1,%0" : ADDR : "Ir" (nr)); +} + +/** + * change_bit - Toggle a bit in memory + * @nr: Bit to change + * @addr: Address to start counting from + * + * change_bit() is atomic and may not be reordered. + * Note that @nr may be almost arbitrarily large; this function is not + * restricted to acting on a single-word quantity. + */ +static inline void change_bit(int nr, volatile unsigned long *addr) +{ + asm volatile(LOCK_PREFIX "btc %1,%0" : ADDR : "Ir" (nr)); +} + +/** + * test_and_set_bit - Set a bit and return its old value + * @nr: Bit to set + * @addr: Address to count from + * + * This operation is atomic and cannot be reordered. + * It also implies a memory barrier. + */ +static inline int test_and_set_bit(int nr, volatile unsigned long *addr) +{ + int oldbit; + + asm volatile(LOCK_PREFIX "bts %2,%1\n\t" + "sbb %0,%0" : "=r" (oldbit), ADDR : "Ir" (nr) : "memory"); + + return oldbit; +} + +/** + * test_and_set_bit_lock - Set a bit and return its old value for lock + * @nr: Bit to set + * @addr: Address to count from + * + * This is the same as test_and_set_bit on x86. + */ +static inline int test_and_set_bit_lock(int nr, volatile unsigned long *addr) +{ + return test_and_set_bit(nr, addr); +} + +/** + * __test_and_set_bit - Set a bit and return its old value + * @nr: Bit to set + * @addr: Address to count from + * + * This operation is non-atomic and can be reordered. + * If two examples of this operation race, one can appear to succeed + * but actually fail. You must protect multiple accesses with a lock. + */ +static inline int __test_and_set_bit(int nr, volatile unsigned long *addr) +{ + int oldbit; + + asm("bts %2,%1\n\t" + "sbb %0,%0" + : "=r" (oldbit), ADDR + : "Ir" (nr)); + return oldbit; +} + +/** + * test_and_clear_bit - Clear a bit and return its old value + * @nr: Bit to clear + * @addr: Address to count from + * + * This operation is atomic and cannot be reordered. + * It also implies a memory barrier. + */ +static inline int test_and_clear_bit(int nr, volatile unsigned long *addr) +{ + int oldbit; + + asm volatile(LOCK_PREFIX "btr %2,%1\n\t" + "sbb %0,%0" + : "=r" (oldbit), ADDR : "Ir" (nr) : "memory"); + + return oldbit; +} + +/** + * __test_and_clear_bit - Clear a bit and return its old value + * @nr: Bit to clear + * @addr: Address to count from + * + * This operation is non-atomic and can be reordered. + * If two examples of this operation race, one can appear to succeed + * but actually fail. You must protect multiple accesses with a lock. + */ +static inline int __test_and_clear_bit(int nr, volatile unsigned long *addr) +{ + int oldbit; + + asm volatile("btr %2,%1\n\t" + "sbb %0,%0" + : "=r" (oldbit), ADDR + : "Ir" (nr)); + return oldbit; +} + +/* WARNING: non atomic and it can be reordered! */ +static inline int __test_and_change_bit(int nr, volatile unsigned long *addr) +{ + int oldbit; + + asm volatile("btc %2,%1\n\t" + "sbb %0,%0" + : "=r" (oldbit), ADDR + : "Ir" (nr) : "memory"); + + return oldbit; +} + +/** + * test_and_change_bit - Change a bit and return its old value + * @nr: Bit to change + * @addr: Address to count from + * + * This operation is atomic and cannot be reordered. + * It also implies a memory barrier. + */ +static inline int test_and_change_bit(int nr, volatile unsigned long *addr) +{ + int oldbit; + + asm volatile(LOCK_PREFIX "btc %2,%1\n\t" + "sbb %0,%0" + : "=r" (oldbit), ADDR : "Ir" (nr) : "memory"); + + return oldbit; +} + +static inline int constant_test_bit(int nr, const volatile unsigned long *addr) +{ + return ((1UL << (nr % BITS_PER_LONG)) & + (((unsigned long *)addr)[nr / BITS_PER_LONG])) != 0; +} + +static inline int variable_test_bit(int nr, volatile const unsigned long *addr) +{ + int oldbit; + + asm volatile("bt %2,%1\n\t" + "sbb %0,%0" + : "=r" (oldbit) + : "m" (*(unsigned long *)addr), "Ir" (nr)); + + return oldbit; +} + +#if 0 /* Fool kernel-doc since it doesn't do macros yet */ +/** + * test_bit - Determine whether a bit is set + * @nr: bit number to test + * @addr: Address to start counting from + */ +static int test_bit(int nr, const volatile unsigned long *addr); +#endif + +#define test_bit(nr, addr) \ + (__builtin_constant_p((nr)) \ + ? constant_test_bit((nr), (addr)) \ + : variable_test_bit((nr), (addr))) + +/** + * __ffs - find first set bit in word + * @word: The word to search + * + * Undefined if no bit exists, so code should check against 0 first. + */ +static inline unsigned long __ffs(unsigned long word) +{ + asm("bsf %1,%0" + : "=r" (word) + : "rm" (word)); + return word; +} + +/** + * ffz - find first zero bit in word + * @word: The word to search + * + * Undefined if no zero exists, so code should check against ~0UL first. + */ +static inline unsigned long ffz(unsigned long word) +{ + asm("bsf %1,%0" + : "=r" (word) + : "r" (~word)); + return word; +} + +/* + * __fls: find last set bit in word + * @word: The word to search + * + * Undefined if no set bit exists, so code should check against 0 first. + */ +static inline unsigned long __fls(unsigned long word) +{ + asm("bsr %1,%0" + : "=r" (word) + : "rm" (word)); + return word; +} + +#ifdef __KERNEL__ +/** + * ffs - find first set bit in word + * @x: the word to search + * + * This is defined the same way as the libc and compiler builtin ffs + * routines, therefore differs in spirit from the other bitops. + * + * ffs(value) returns 0 if value is 0 or the position of the first + * set bit if value is nonzero. The first (least significant) bit + * is at position 1. + */ +static inline int ffs(int x) +{ + int r; +#ifdef CONFIG_X86_CMOV + asm("bsfl %1,%0\n\t" + "cmovzl %2,%0" + : "=r" (r) : "rm" (x), "r" (-1)); +#else + asm("bsfl %1,%0\n\t" + "jnz 1f\n\t" + "movl $-1,%0\n" + "1:" : "=r" (r) : "rm" (x)); +#endif + return r + 1; +} + +/** + * fls - find last set bit in word + * @x: the word to search + * + * This is defined in a similar way as the libc and compiler builtin + * ffs, but returns the position of the most significant set bit. + * + * fls(value) returns 0 if value is 0 or the position of the last + * set bit if value is nonzero. The last (most significant) bit is + * at position 32. + */ +static inline int fls(int x) +{ + int r; +#ifdef CONFIG_X86_CMOV + asm("bsrl %1,%0\n\t" + "cmovzl %2,%0" + : "=&r" (r) : "rm" (x), "rm" (-1)); +#else + asm("bsrl %1,%0\n\t" + "jnz 1f\n\t" + "movl $-1,%0\n" + "1:" : "=r" (r) : "rm" (x)); +#endif + return r + 1; +} +#endif /* __KERNEL__ */ + +#undef ADDR + +#ifdef __KERNEL__ + +#include + +#define ARCH_HAS_FAST_MULTIPLIER 1 + +#include + +#endif /* __KERNEL__ */ + +#include + +#ifdef __KERNEL__ + +#include + +#define ext2_set_bit_atomic(lock, nr, addr) \ + test_and_set_bit((nr), (unsigned long *)(addr)) +#define ext2_clear_bit_atomic(lock, nr, addr) \ + test_and_clear_bit((nr), (unsigned long *)(addr)) + +#include + +#endif /* __KERNEL__ */ +#endif /* ASM_X86__BITOPS_H */ diff --git a/arch/x86/include/asm/boot.h b/arch/x86/include/asm/boot.h new file mode 100644 index 00000000000..1d63bd5d594 --- /dev/null +++ b/arch/x86/include/asm/boot.h @@ -0,0 +1,26 @@ +#ifndef ASM_X86__BOOT_H +#define ASM_X86__BOOT_H + +/* Don't touch these, unless you really know what you're doing. */ +#define DEF_SYSSEG 0x1000 +#define DEF_SYSSIZE 0x7F00 + +/* Internal svga startup constants */ +#define NORMAL_VGA 0xffff /* 80x25 mode */ +#define EXTENDED_VGA 0xfffe /* 80x50 mode */ +#define ASK_VGA 0xfffd /* ask for it at bootup */ + +/* Physical address where kernel should be loaded. */ +#define LOAD_PHYSICAL_ADDR ((CONFIG_PHYSICAL_START \ + + (CONFIG_PHYSICAL_ALIGN - 1)) \ + & ~(CONFIG_PHYSICAL_ALIGN - 1)) + +#ifdef CONFIG_X86_64 +#define BOOT_HEAP_SIZE 0x7000 +#define BOOT_STACK_SIZE 0x4000 +#else +#define BOOT_HEAP_SIZE 0x4000 +#define BOOT_STACK_SIZE 0x1000 +#endif + +#endif /* ASM_X86__BOOT_H */ diff --git a/arch/x86/include/asm/bootparam.h b/arch/x86/include/asm/bootparam.h new file mode 100644 index 00000000000..ccf027e2d97 --- /dev/null +++ b/arch/x86/include/asm/bootparam.h @@ -0,0 +1,111 @@ +#ifndef ASM_X86__BOOTPARAM_H +#define ASM_X86__BOOTPARAM_H + +#include +#include +#include +#include +#include +#include +#include