diff options
| author | Glauber de Oliveira Costa <gcosta@redhat.com> | 2008-01-30 13:32:09 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:32:09 +0100 |
| commit | 21438f7c138f0b893a32df3cc77434e39a2145f8 (patch) | |
| tree | 06725e4b0562f93cb00252949ae67577dad2f489 /include/asm-x86 | |
| parent | 1954448fb0c03dd5e301d7bef2dda71cd9b2fcf2 (diff) | |
x86: add CLBR_ defines for 64-bit
x86_64 needs a potentially larger clobber list than i386, due to its calling
convention. So we add more CLBR_ defines for it.
Note that CLBR_ANY is different for each of the architectures, since it comprises
the notion of "All call clobbers in this architecture"
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')
| -rw-r--r-- | include/asm-x86/paravirt.h | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/include/asm-x86/paravirt.h b/include/asm-x86/paravirt.h index e8fbf742d42..5935c273af1 100644 --- a/include/asm-x86/paravirt.h +++ b/include/asm-x86/paravirt.h @@ -8,11 +8,24 @@ #include <asm/asm.h> /* Bitmask of what can be clobbered: usually at least eax. */ -#define CLBR_NONE 0x0 -#define CLBR_EAX 0x1 -#define CLBR_ECX 0x2 -#define CLBR_EDX 0x4 -#define CLBR_ANY 0x7 +#define CLBR_NONE 0 +#define CLBR_EAX (1 << 0) +#define CLBR_ECX (1 << 1) +#define CLBR_EDX (1 << 2) + +#ifdef CONFIG_X86_64 +#define CLBR_RSI (1 << 3) +#define CLBR_RDI (1 << 4) +#define CLBR_R8 (1 << 5) +#define CLBR_R9 (1 << 6) +#define CLBR_R10 (1 << 7) +#define CLBR_R11 (1 << 8) +#define CLBR_ANY ((1 << 9) - 1) +#include <asm/desc_defs.h> +#else +/* CLBR_ANY should match all regs platform has. For i386, that's just it */ +#define CLBR_ANY ((1 << 3) - 1) +#endif /* X86_64 */ #ifndef __ASSEMBLY__ #include <linux/types.h> |