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