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| author | Glauber Costa <gcosta@redhat.com> | 2008-06-24 11:37:57 -0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-09 09:14:04 +0200 |
| commit | 40faf463e62de0b29722910eded7dd26cd8b684b (patch) | |
| tree | ab7a576aec523d750944c53f6c7f340b4a1a3a3a /include | |
| parent | ef8c1a2d0e990d0f4f15e1d45eeb262755e3d4c3 (diff) | |
| download | linux-3.10-40faf463e62de0b29722910eded7dd26cd8b684b.tar.gz linux-3.10-40faf463e62de0b29722910eded7dd26cd8b684b.tar.bz2 linux-3.10-40faf463e62de0b29722910eded7dd26cd8b684b.zip | |
x86: introduce __ASM_REG macro.
There are situations in which the architecture wants to use the
register that represents its word-size, whatever it is. For those,
introduce __ASM_REG in asm.h, along with the first users _ASM_AX
and _ASM_DX. They have users waiting for it, namely the getuser
functions.
Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-x86/asm.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/asm-x86/asm.h b/include/asm-x86/asm.h index 70939820c55..435402e623e 100644 --- a/include/asm-x86/asm.h +++ b/include/asm-x86/asm.h @@ -14,6 +14,7 @@ #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) @@ -24,6 +25,8 @@ #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_DX __ASM_REG(dx) /* Exception table entry */ # define _ASM_EXTABLE(from,to) \ |