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author | Ben Dooks <ben-linux@fluff.org> | 2008-08-08 21:10:12 +0100 |
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committer | Ben Dooks <ben-linux@fluff.org> | 2008-08-08 21:10:12 +0100 |
commit | af7a535688a758d15f06a98833e6a143b29af9de (patch) | |
tree | bac5ab210bbbbe276f0e44ed84194d7c8bb16aae /arch/powerpc/include/asm/asm-compat.h | |
parent | 0c17e4ceedd35c78b1c7413dbd16279a350be6bc (diff) | |
parent | c41107c2d4fd31924533f4dbc4c3428acc2b5894 (diff) | |
download | kernel-crypto-af7a535688a758d15f06a98833e6a143b29af9de.tar.gz kernel-crypto-af7a535688a758d15f06a98833e6a143b29af9de.tar.xz kernel-crypto-af7a535688a758d15f06a98833e6a143b29af9de.zip |
Merge http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm into for-rmk
Diffstat (limited to 'arch/powerpc/include/asm/asm-compat.h')
-rw-r--r-- | arch/powerpc/include/asm/asm-compat.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/asm-compat.h b/arch/powerpc/include/asm/asm-compat.h new file mode 100644 index 00000000000..8f0fe797194 --- /dev/null +++ b/arch/powerpc/include/asm/asm-compat.h @@ -0,0 +1,69 @@ +#ifndef _ASM_POWERPC_ASM_COMPAT_H +#define _ASM_POWERPC_ASM_COMPAT_H + +#include <asm/types.h> + +#ifdef __ASSEMBLY__ +# define stringify_in_c(...) __VA_ARGS__ +# define ASM_CONST(x) x +#else +/* This version of stringify will deal with commas... */ +# define __stringify_in_c(...) #__VA_ARGS__ +# define stringify_in_c(...) __stringify_in_c(__VA_ARGS__) " " +# define __ASM_CONST(x) x##UL +# define ASM_CONST(x) __ASM_CONST(x) +#endif + + +#ifdef __powerpc64__ + +/* operations for longs and pointers */ +#define PPC_LL stringify_in_c(ld) +#define PPC_STL stringify_in_c(std) +#define PPC_LCMPI stringify_in_c(cmpdi) +#define PPC_LONG stringify_in_c(.llong) +#define PPC_LONG_ALIGN stringify_in_c(.balign 8) +#define PPC_TLNEI stringify_in_c(tdnei) +#define PPC_LLARX stringify_in_c(ldarx) +#define PPC_STLCX stringify_in_c(stdcx.) +#define PPC_CNTLZL stringify_in_c(cntlzd) + +/* Move to CR, single-entry optimized version. Only available + * on POWER4 and later. + */ +#ifdef CONFIG_POWER4_ONLY +#define PPC_MTOCRF stringify_in_c(mtocrf) +#else +#define PPC_MTOCRF stringify_in_c(mtcrf) +#endif + +#else /* 32-bit */ + +/* operations for longs and pointers */ +#define PPC_LL stringify_in_c(lwz) +#define PPC_STL stringify_in_c(stw) +#define PPC_LCMPI stringify_in_c(cmpwi) +#define PPC_LONG stringify_in_c(.long) +#define PPC_LONG_ALIGN stringify_in_c(.balign 4) +#define PPC_TLNEI stringify_in_c(twnei) +#define PPC_LLARX stringify_in_c(lwarx) +#define PPC_STLCX stringify_in_c(stwcx.) +#define PPC_CNTLZL stringify_in_c(cntlzw) +#define PPC_MTOCRF stringify_in_c(mtcrf) + +#endif + +#ifdef __KERNEL__ +#ifdef CONFIG_IBM405_ERR77 +/* Erratum #77 on the 405 means we need a sync or dcbt before every + * stwcx. The old ATOMIC_SYNC_FIX covered some but not all of this. + */ +#define PPC405_ERR77(ra,rb) stringify_in_c(dcbt ra, rb;) +#define PPC405_ERR77_SYNC stringify_in_c(sync;) +#else +#define PPC405_ERR77(ra,rb) +#define PPC405_ERR77_SYNC +#endif +#endif + +#endif /* _ASM_POWERPC_ASM_COMPAT_H */ |