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| author | Glauber de Oliveira Costa <gcosta@redhat.com> | 2008-01-30 13:31:40 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:31:40 +0100 |
| commit | ea5e3593a493298c69b8c4a958628feace930478 (patch) | |
| tree | b6607e39bd44fd980e68a7ba80b0d76f7cdaa016 /include/asm-x86/processor_64.h | |
| parent | x86: unify prefetch operations (diff) | |
| download | linux-ea5e3593a493298c69b8c4a958628feace930478.tar.xz linux-ea5e3593a493298c69b8c4a958628feace930478.zip | |
x86: unify asm nops
There's only one difference between the NOPs used in asm code for i386 and x86_64:
i386 has a lot more variants. The code is moved to processor.h, and adjusted
accordingly.
Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/asm-x86/processor_64.h')
| -rw-r--r-- | include/asm-x86/processor_64.h | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/include/asm-x86/processor_64.h b/include/asm-x86/processor_64.h index 08b965124b97..86fc2dcc8687 100644 --- a/include/asm-x86/processor_64.h +++ b/include/asm-x86/processor_64.h @@ -80,48 +80,4 @@ DECLARE_PER_CPU(struct orig_ist, orig_ist); #define task_pt_regs(tsk) ((struct pt_regs *)(tsk)->thread.sp0 - 1) #define KSTK_ESP(tsk) -1 /* sorry. doesn't work for syscall. */ - -#if defined(CONFIG_MPSC) || defined(CONFIG_MCORE2) -#define ASM_NOP1 P6_NOP1 -#define ASM_NOP2 P6_NOP2 -#define ASM_NOP3 P6_NOP3 -#define ASM_NOP4 P6_NOP4 -#define ASM_NOP5 P6_NOP5 -#define ASM_NOP6 P6_NOP6 -#define ASM_NOP7 P6_NOP7 -#define ASM_NOP8 P6_NOP8 -#else -#define ASM_NOP1 K8_NOP1 -#define ASM_NOP2 K8_NOP2 -#define ASM_NOP3 K8_NOP3 -#define ASM_NOP4 K8_NOP4 -#define ASM_NOP5 K8_NOP5 -#define ASM_NOP6 K8_NOP6 -#define ASM_NOP7 K8_NOP7 -#define ASM_NOP8 K8_NOP8 -#endif - -/* Opteron nops */ -#define K8_NOP1 ".byte 0x90\n" -#define K8_NOP2 ".byte 0x66,0x90\n" -#define K8_NOP3 ".byte 0x66,0x66,0x90\n" -#define K8_NOP4 ".byte 0x66,0x66,0x66,0x90\n" -#define K8_NOP5 K8_NOP3 K8_NOP2 -#define K8_NOP6 K8_NOP3 K8_NOP3 -#define K8_NOP7 K8_NOP4 K8_NOP3 -#define K8_NOP8 K8_NOP4 K8_NOP4 - -/* P6 nops */ -/* uses eax dependencies (Intel-recommended choice) */ -#define P6_NOP1 ".byte 0x90\n" -#define P6_NOP2 ".byte 0x66,0x90\n" -#define P6_NOP3 ".byte 0x0f,0x1f,0x00\n" -#define P6_NOP4 ".byte 0x0f,0x1f,0x40,0\n" -#define P6_NOP5 ".byte 0x0f,0x1f,0x44,0x00,0\n" -#define P6_NOP6 ".byte 0x66,0x0f,0x1f,0x44,0x00,0\n" -#define P6_NOP7 ".byte 0x0f,0x1f,0x80,0,0,0,0\n" -#define P6_NOP8 ".byte 0x0f,0x1f,0x84,0x00,0,0,0,0\n" - -#define ASM_NOP_MAX 8 - #endif /* __ASM_X86_64_PROCESSOR_H */ |