1 #ifndef _ASM_POWERPC_ASM_COMPAT_H 2 #define _ASM_POWERPC_ASM_COMPAT_H 3 4 #include <asm/types.h> 5 6 #ifdef __ASSEMBLY__ 7 # define stringify_in_c(...) __VA_ARGS__ 8 # define ASM_CONST(x) x 9 #else 10 /* This version of stringify will deal with commas... */ 11 # define __stringify_in_c(...) #__VA_ARGS__ 12 # define stringify_in_c(...) __stringify_in_c(__VA_ARGS__) " " 13 # define __ASM_CONST(x) x##UL 14 # define ASM_CONST(x) __ASM_CONST(x) 15 #endif 16 17 18 #ifdef __powerpc64__ 19 20 /* operations for longs and pointers */ 21 #define PPC_LL stringify_in_c(ld) 22 #define PPC_STL stringify_in_c(std) 23 #define PPC_LCMPI stringify_in_c(cmpdi) 24 #define PPC_LONG stringify_in_c(.llong) 25 #define PPC_LONG_ALIGN stringify_in_c(.balign 8) 26 #define PPC_TLNEI stringify_in_c(tdnei) 27 #define PPC_LLARX stringify_in_c(ldarx) 28 #define PPC_STLCX stringify_in_c(stdcx.) 29 #define PPC_CNTLZL stringify_in_c(cntlzd) 30 31 /* Move to CR, single-entry optimized version. Only available 32 * on POWER4 and later. 33 */ 34 #ifdef CONFIG_POWER4_ONLY 35 #define PPC_MTOCRF stringify_in_c(mtocrf) 36 #else 37 #define PPC_MTOCRF stringify_in_c(mtcrf) 38 #endif 39 40 #else /* 32-bit */ 41 42 /* operations for longs and pointers */ 43 #define PPC_LL stringify_in_c(lwz) 44 #define PPC_STL stringify_in_c(stw) 45 #define PPC_LCMPI stringify_in_c(cmpwi) 46 #define PPC_LONG stringify_in_c(.long) 47 #define PPC_LONG_ALIGN stringify_in_c(.balign 4) 48 #define PPC_TLNEI stringify_in_c(twnei) 49 #define PPC_LLARX stringify_in_c(lwarx) 50 #define PPC_STLCX stringify_in_c(stwcx.) 51 #define PPC_CNTLZL stringify_in_c(cntlzw) 52 #define PPC_MTOCRF stringify_in_c(mtcrf) 53 54 #endif 55 56 #ifdef __KERNEL__ 57 #ifdef CONFIG_IBM405_ERR77 58 /* Erratum #77 on the 405 means we need a sync or dcbt before every 59 * stwcx. The old ATOMIC_SYNC_FIX covered some but not all of this. 60 */ 61 #define PPC405_ERR77(ra,rb) stringify_in_c(dcbt ra, rb;) 62 #define PPC405_ERR77_SYNC stringify_in_c(sync;) 63 #else 64 #define PPC405_ERR77(ra,rb) 65 #define PPC405_ERR77_SYNC 66 #endif 67 #endif 68 69 #endif /* _ASM_POWERPC_ASM_COMPAT_H */ 70