1 #ifndef _ASM_POWERPC_ASM_COMPAT_H 2 #define _ASM_POWERPC_ASM_COMPAT_H 3 4 #include <asm/types.h> 5 #include <asm/ppc-opcode.h> 6 7 #ifdef __ASSEMBLY__ 8 # define stringify_in_c(...) __VA_ARGS__ 9 # define ASM_CONST(x) x 10 #else 11 /* This version of stringify will deal with commas... */ 12 # define __stringify_in_c(...) #__VA_ARGS__ 13 # define stringify_in_c(...) __stringify_in_c(__VA_ARGS__) " " 14 # define __ASM_CONST(x) x##UL 15 # define ASM_CONST(x) __ASM_CONST(x) 16 #endif 17 18 19 #ifdef __powerpc64__ 20 21 /* operations for longs and pointers */ 22 #define PPC_LL stringify_in_c(ld) 23 #define PPC_STL stringify_in_c(std) 24 #define PPC_LCMPI stringify_in_c(cmpdi) 25 #define PPC_LONG stringify_in_c(.llong) 26 #define PPC_LONG_ALIGN stringify_in_c(.balign 8) 27 #define PPC_TLNEI stringify_in_c(tdnei) 28 #define PPC_LLARX(t, a, b, eh) PPC_LDARX(t, a, b, eh) 29 #define PPC_STLCX stringify_in_c(stdcx.) 30 #define PPC_CNTLZL stringify_in_c(cntlzd) 31 #define PPC_LR_STKOFF 16 32 33 /* Move to CR, single-entry optimized version. Only available 34 * on POWER4 and later. 35 */ 36 #ifdef CONFIG_POWER4_ONLY 37 #define PPC_MTOCRF stringify_in_c(mtocrf) 38 #else 39 #define PPC_MTOCRF stringify_in_c(mtcrf) 40 #endif 41 42 #else /* 32-bit */ 43 44 /* operations for longs and pointers */ 45 #define PPC_LL stringify_in_c(lwz) 46 #define PPC_STL stringify_in_c(stw) 47 #define PPC_LCMPI stringify_in_c(cmpwi) 48 #define PPC_LONG stringify_in_c(.long) 49 #define PPC_LONG_ALIGN stringify_in_c(.balign 4) 50 #define PPC_TLNEI stringify_in_c(twnei) 51 #define PPC_LLARX(t, a, b, eh) PPC_LWARX(t, a, b, eh) 52 #define PPC_STLCX stringify_in_c(stwcx.) 53 #define PPC_CNTLZL stringify_in_c(cntlzw) 54 #define PPC_MTOCRF stringify_in_c(mtcrf) 55 #define PPC_LR_STKOFF 4 56 57 #endif 58 59 #ifdef __KERNEL__ 60 #ifdef CONFIG_IBM405_ERR77 61 /* Erratum #77 on the 405 means we need a sync or dcbt before every 62 * stwcx. The old ATOMIC_SYNC_FIX covered some but not all of this. 63 */ 64 #define PPC405_ERR77(ra,rb) stringify_in_c(dcbt ra, rb;) 65 #define PPC405_ERR77_SYNC stringify_in_c(sync;) 66 #else 67 #define PPC405_ERR77(ra,rb) 68 #define PPC405_ERR77_SYNC 69 #endif 70 #endif 71 72 #endif /* _ASM_POWERPC_ASM_COMPAT_H */ 73