diff options
Diffstat (limited to 'include/asm-ppc64')
| -rw-r--r-- | include/asm-ppc64/auxvec.h | 19 | ||||
| -rw-r--r-- | include/asm-ppc64/compat.h | 18 | ||||
| -rw-r--r-- | include/asm-ppc64/elf.h | 16 | ||||
| -rw-r--r-- | include/asm-ppc64/fcntl.h | 89 | ||||
| -rw-r--r-- | include/asm-ppc64/futex.h | 83 | ||||
| -rw-r--r-- | include/asm-ppc64/irq.h | 5 | ||||
| -rw-r--r-- | include/asm-ppc64/kprobes.h | 3 | ||||
| -rw-r--r-- | include/asm-ppc64/memory.h | 2 | ||||
| -rw-r--r-- | include/asm-ppc64/processor.h | 14 | ||||
| -rw-r--r-- | include/asm-ppc64/uaccess.h | 7 |
10 files changed, 137 insertions, 119 deletions
diff --git a/include/asm-ppc64/auxvec.h b/include/asm-ppc64/auxvec.h new file mode 100644 index 00000000000..ac6381a106e --- /dev/null +++ b/include/asm-ppc64/auxvec.h @@ -0,0 +1,19 @@ +#ifndef __PPC64_AUXVEC_H +#define __PPC64_AUXVEC_H + +/* + * We need to put in some extra aux table entries to tell glibc what + * the cache block size is, so it can use the dcbz instruction safely. + */ +#define AT_DCACHEBSIZE 19 +#define AT_ICACHEBSIZE 20 +#define AT_UCACHEBSIZE 21 +/* A special ignored type value for PPC, for glibc compatibility. */ +#define AT_IGNOREPPC 22 + +/* The vDSO location. We have to use the same value as x86 for glibc's + * sake :-) + */ +#define AT_SYSINFO_EHDR 33 + +#endif /* __PPC64_AUXVEC_H */ diff --git a/include/asm-ppc64/compat.h b/include/asm-ppc64/compat.h index 12414f5fc66..6ec62cd2d1d 100644 --- a/include/asm-ppc64/compat.h +++ b/include/asm-ppc64/compat.h @@ -13,8 +13,10 @@ typedef s32 compat_ssize_t; typedef s32 compat_time_t; typedef s32 compat_clock_t; typedef s32 compat_pid_t; -typedef u32 compat_uid_t; -typedef u32 compat_gid_t; +typedef u32 __compat_uid_t; +typedef u32 __compat_gid_t; +typedef u32 __compat_uid32_t; +typedef u32 __compat_gid32_t; typedef u32 compat_mode_t; typedef u32 compat_ino_t; typedef u32 compat_dev_t; @@ -48,8 +50,8 @@ struct compat_stat { compat_ino_t st_ino; compat_mode_t st_mode; compat_nlink_t st_nlink; - compat_uid_t st_uid; - compat_gid_t st_gid; + __compat_uid32_t st_uid; + __compat_gid32_t st_gid; compat_dev_t st_rdev; compat_off_t st_size; compat_off_t st_blksize; @@ -144,10 +146,10 @@ static inline void __user *compat_alloc_user_space(long len) */ struct compat_ipc64_perm { compat_key_t key; - compat_uid_t uid; - compat_gid_t gid; - compat_uid_t cuid; - compat_gid_t cgid; + __compat_uid_t uid; + __compat_gid_t gid; + __compat_uid_t cuid; + __compat_gid_t cgid; compat_mode_t mode; unsigned int seq; unsigned int __pad2; diff --git a/include/asm-ppc64/elf.h b/include/asm-ppc64/elf.h index 085eedb956f..c919a89343d 100644 --- a/include/asm-ppc64/elf.h +++ b/include/asm-ppc64/elf.h @@ -4,6 +4,7 @@ #include <asm/types.h> #include <asm/ptrace.h> #include <asm/cputable.h> +#include <asm/auxvec.h> /* PowerPC relocations defined by the ABIs */ #define R_PPC_NONE 0 @@ -237,21 +238,6 @@ do { \ #endif -/* - * We need to put in some extra aux table entries to tell glibc what - * the cache block size is, so it can use the dcbz instruction safely. - */ -#define AT_DCACHEBSIZE 19 -#define AT_ICACHEBSIZE 20 -#define AT_UCACHEBSIZE 21 -/* A special ignored type value for PPC, for glibc compatibility. */ -#define AT_IGNOREPPC 22 - -/* The vDSO location. We have to use the same value as x86 for glibc's - * sake :-) - */ -#define AT_SYSINFO_EHDR 33 - extern int dcache_bsize; extern int icache_bsize; extern int ucache_bsize; diff --git a/include/asm-ppc64/fcntl.h b/include/asm-ppc64/fcntl.h deleted file mode 100644 index 842560d5065..00000000000 --- a/include/asm-ppc64/fcntl.h +++ /dev/null @@ -1,89 +0,0 @@ -#ifndef _PPC64_FCNTL_H -#define _PPC64_FCNTL_H - -/* - * 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. - */ - -/* open/fcntl - O_SYNC is only implemented on blocks devices and on files - located on an ext2 file system */ -#define O_ACCMODE 0003 -#define O_RDONLY 00 -#define O_WRONLY 01 -#define O_RDWR 02 -#define O_CREAT 0100 /* not fcntl */ -#define O_EXCL 0200 /* not fcntl */ -#define O_NOCTTY 0400 /* not fcntl */ -#define O_TRUNC 01000 /* not fcntl */ -#define O_APPEND 02000 -#define O_NONBLOCK 04000 -#define O_NDELAY O_NONBLOCK -#define O_SYNC 010000 -#define FASYNC 020000 /* fcntl, for BSD compatibility */ -#define O_DIRECTORY 040000 /* must be a directory */ -#define O_NOFOLLOW 0100000 /* don't follow links */ -#define O_LARGEFILE 0200000 -#define O_DIRECT 0400000 /* direct disk access hint */ -#define O_NOATIME 01000000 - -#define F_DUPFD 0 /* dup */ -#define F_GETFD 1 /* get close_on_exec */ -#define F_SETFD 2 /* set/clear close_on_exec */ -#define F_GETFL 3 /* get file->f_flags */ -#define F_SETFL 4 /* set file->f_flags */ -#define F_GETLK 5 -#define F_SETLK 6 -#define F_SETLKW 7 - -#define F_SETOWN 8 /* for sockets. */ -#define F_GETOWN 9 /* for sockets. */ -#define F_SETSIG 10 /* for sockets. */ -#define F_GETSIG 11 /* for sockets. */ - -/* for F_[GET|SET]FL */ -#define FD_CLOEXEC 1 /* actually anything with low bit set goes */ - -/* for posix fcntl() and lockf() */ -#define F_RDLCK 0 -#define F_WRLCK 1 -#define F_UNLCK 2 - -/* for old implementation of bsd flock () */ -#define F_EXLCK 4 /* or 3 */ -#define F_SHLCK 8 /* or 4 */ - -/* for leases */ -#define F_INPROGRESS 16 - -/* operations for bsd flock(), also used by the kernel implementation */ -#define LOCK_SH 1 /* shared lock */ -#define LOCK_EX 2 /* exclusive lock */ -#define LOCK_NB 4 /* or'd with one of the above to prevent - blocking */ -#define LOCK_UN 8 /* remove lock */ - -#define LOCK_MAND 32 /* This is a mandatory flock */ -#define LOCK_READ 64 /* ... Which allows concurrent read operations */ -#define LOCK_WRITE 128 /* ... Which allows concurrent write operations */ -#define LOCK_RW 192 /* ... Which allows concurrent read & write ops */ - -#ifdef __KERNEL__ -#define F_POSIX 1 -#define F_FLOCK 2 -#define F_BROKEN 4 /* broken flock() emulation */ -#endif /* __KERNEL__ */ - -struct flock { - short l_type; - short l_whence; - off_t l_start; - off_t l_len; - pid_t l_pid; -}; - -#define F_LINUX_SPECIFIC_BASE 1024 - -#endif /* _PPC64_FCNTL_H */ diff --git a/include/asm-ppc64/futex.h b/include/asm-ppc64/futex.h new file mode 100644 index 00000000000..cb2640b3a40 --- /dev/null +++ b/include/asm-ppc64/futex.h @@ -0,0 +1,83 @@ +#ifndef _ASM_FUTEX_H +#define _ASM_FUTEX_H + +#ifdef __KERNEL__ + +#include <linux/futex.h> +#include <asm/errno.h> +#include <asm/memory.h> +#include <asm/uaccess.h> + +#define __futex_atomic_op(insn, ret, oldval, uaddr, oparg) \ + __asm__ __volatile (SYNC_ON_SMP \ +"1: lwarx %0,0,%2\n" \ + insn \ +"2: stwcx. %1,0,%2\n\ + bne- 1b\n\ + li %1,0\n\ +3: .section .fixup,\"ax\"\n\ +4: li %1,%3\n\ + b 3b\n\ + .previous\n\ + .section __ex_table,\"a\"\n\ + .align 3\n\ + .llong 1b,4b,2b,4b\n\ + .previous" \ + : "=&r" (oldval), "=&r" (ret) \ + : "b" (uaddr), "i" (-EFAULT), "1" (oparg) \ + : "cr0", "memory") + +static inline int +futex_atomic_op_inuser (int encoded_op, int __user *uaddr) +{ + int op = (encoded_op >> 28) & 7; + int cmp = (encoded_op >> 24) & 15; + int oparg = (encoded_op << 8) >> 20; + int cmparg = (encoded_op << 20) >> 20; + int oldval = 0, ret; + if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) + oparg = 1 << oparg; + + if (! access_ok (VERIFY_WRITE, uaddr, sizeof(int))) + return -EFAULT; + + inc_preempt_count(); + + switch (op) { + case FUTEX_OP_SET: + __futex_atomic_op("", ret, oldval, uaddr, oparg); + break; + case FUTEX_OP_ADD: + __futex_atomic_op("add %1,%0,%1\n", ret, oldval, uaddr, oparg); + break; + case FUTEX_OP_OR: + __futex_atomic_op("or %1,%0,%1\n", ret, oldval, uaddr, oparg); + break; + case FUTEX_OP_ANDN: + __futex_atomic_op("andc %1,%0,%1\n", ret, oldval, uaddr, oparg); + break; + case FUTEX_OP_XOR: + __futex_atomic_op("xor %1,%0,%1\n", ret, oldval, uaddr, oparg); + break; + default: + ret = -ENOSYS; + } + + dec_preempt_count(); + + if (!ret) { + switch (cmp) { + case FUTEX_OP_CMP_EQ: ret = (oldval == cmparg); break; + case FUTEX_OP_CMP_NE: ret = (oldval != cmparg); break; + case FUTEX_OP_CMP_LT: ret = (oldval < cmparg); break; + case FUTEX_OP_CMP_GE: ret = (oldval >= cmparg); break; + case FUTEX_OP_CMP_LE: ret = (oldval <= cmparg); break; + case FUTEX_OP_CMP_GT: ret = (oldval > cmparg); break; + default: ret = -ENOSYS; + } + } + return ret; +} + +#endif +#endif diff --git a/include/asm-ppc64/irq.h b/include/asm-ppc64/irq.h index 570678b1da9..99782afb4cd 100644 --- a/include/asm-ppc64/irq.h +++ b/include/asm-ppc64/irq.h @@ -33,6 +33,11 @@ #define IRQ_POLARITY_POSITIVE 0x2 /* high level or low->high edge */ #define IRQ_POLARITY_NEGATIVE 0x0 /* low level or high->low edge */ +/* + * IRQ line status macro IRQ_PER_CPU is used + */ +#define ARCH_HAS_IRQ_PER_CPU + #define get_irq_desc(irq) (&irq_desc[(irq)]) /* Define a way to iterate across irqs. */ diff --git a/include/asm-ppc64/kprobes.h b/include/asm-ppc64/kprobes.h index 0802919c323..d9129d2b038 100644 --- a/include/asm-ppc64/kprobes.h +++ b/include/asm-ppc64/kprobes.h @@ -42,6 +42,9 @@ typedef unsigned int kprobe_opcode_t; #define JPROBE_ENTRY(pentry) (kprobe_opcode_t *)((func_descr_t *)pentry) +#define is_trap(instr) (IS_TW(instr) || IS_TD(instr) || \ + IS_TWI(instr) || IS_TDI(instr)) + #define ARCH_SUPPORTS_KRETPROBES void kretprobe_trampoline(void); diff --git a/include/asm-ppc64/memory.h b/include/asm-ppc64/memory.h index 56e09face9a..af53ffb5572 100644 --- a/include/asm-ppc64/memory.h +++ b/include/asm-ppc64/memory.h @@ -18,9 +18,11 @@ #ifdef CONFIG_SMP #define EIEIO_ON_SMP "eieio\n" #define ISYNC_ON_SMP "\n\tisync" +#define SYNC_ON_SMP "lwsync\n\t" #else #define EIEIO_ON_SMP #define ISYNC_ON_SMP +#define SYNC_ON_SMP #endif static inline void eieio(void) diff --git a/include/asm-ppc64/processor.h b/include/asm-ppc64/processor.h index 7bd4796f123..8bd7aa95938 100644 --- a/include/asm-ppc64/processor.h +++ b/include/asm-ppc64/processor.h @@ -311,6 +311,20 @@ name: \ .type GLUE(.,name),@function; \ GLUE(.,name): +#define _KPROBE(name) \ + .section ".kprobes.text","a"; \ + .align 2 ; \ + .globl name; \ + .globl GLUE(.,name); \ + .section ".opd","aw"; \ +name: \ + .quad GLUE(.,name); \ + .quad .TOC.@tocbase; \ + .quad 0; \ + .previous; \ + .type GLUE(.,name),@function; \ +GLUE(.,name): + #define _STATIC(name) \ .section ".text"; \ .align 2 ; \ diff --git a/include/asm-ppc64/uaccess.h b/include/asm-ppc64/uaccess.h index 05b5943ab1e..c181a60d868 100644 --- a/include/asm-ppc64/uaccess.h +++ b/include/asm-ppc64/uaccess.h @@ -56,13 +56,6 @@ #define access_ok(type,addr,size) \ __access_ok(((__force unsigned long)(addr)),(size),get_fs()) -/* this function will go away soon - use access_ok() instead */ -static inline int __deprecated verify_area(int type, const void __user *addr, unsigned long size) -{ - return access_ok(type,addr,size) ? 0 : -EFAULT; -} - - /* * The exception table consists of pairs of addresses: the first is the * address of an instruction that is allowed to fault, and the second is |