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_STLU stringify_in_c(stdu) 25 #define PPC_LCMPI stringify_in_c(cmpdi) 26 #define PPC_LONG stringify_in_c(.llong) 27 #define PPC_LONG_ALIGN stringify_in_c(.balign 8) 28 #define PPC_TLNEI stringify_in_c(tdnei) 29 #define PPC_LLARX(t, a, b, eh) PPC_LDARX(t, a, b, eh) 30 #define PPC_STLCX stringify_in_c(stdcx.) 31 #define PPC_CNTLZL stringify_in_c(cntlzd) 32 #define PPC_LR_STKOFF 16 33 34 /* Move to CR, single-entry optimized version. Only available 35 * on POWER4 and later. 36 */ 37 #ifdef CONFIG_POWER4_ONLY 38 #define PPC_MTOCRF stringify_in_c(mtocrf) 39 #else 40 #define PPC_MTOCRF stringify_in_c(mtcrf) 41 #endif 42 43 #else /* 32-bit */ 44 45 /* operations for longs and pointers */ 46 #define PPC_LL stringify_in_c(lwz) 47 #define PPC_STL stringify_in_c(stw) 48 #define PPC_STLU stringify_in_c(stwu) 49 #define PPC_LCMPI stringify_in_c(cmpwi) 50 #define PPC_LONG stringify_in_c(.long) 51 #define PPC_LONG_ALIGN stringify_in_c(.balign 4) 52 #define PPC_TLNEI stringify_in_c(twnei) 53 #define PPC_LLARX(t, a, b, eh) PPC_LWARX(t, a, b, eh) 54 #define PPC_STLCX stringify_in_c(stwcx.) 55 #define PPC_CNTLZL stringify_in_c(cntlzw) 56 #define PPC_MTOCRF stringify_in_c(mtcrf) 57 #define PPC_LR_STKOFF 4 58 59 #endif 60 61 #ifdef __KERNEL__ 62 #ifdef CONFIG_IBM405_ERR77 63 /* Erratum #77 on the 405 means we need a sync or dcbt before every 64 * stwcx. The old ATOMIC_SYNC_FIX covered some but not all of this. 65 */ 66 #define PPC405_ERR77(ra,rb) stringify_in_c(dcbt ra, rb;) 67 #define PPC405_ERR77_SYNC stringify_in_c(sync;) 68 #else 69 #define PPC405_ERR77(ra,rb) 70 #define PPC405_ERR77_SYNC 71 #endif 72 #endif 73 74 #endif /* _ASM_POWERPC_ASM_COMPAT_H */ 75