projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 3ddfbcf1 DG |
1 | #ifndef _ASM_POWERPC_ASM_COMPAT_H |
| 2 | #define _ASM_POWERPC_ASM_COMPAT_H | |
| 3 | ||
| 3ddfbcf1 | 4 | #include <asm/types.h> |
| 864b9e6f | 5 | #include <asm/ppc-opcode.h> |
| 3ddfbcf1 DG |
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 | ||
| 0909c8c2 | 18 | |
| 3ddfbcf1 DG |
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) | |
| 6a2a24bb | 26 | #define PPC_LONG_ALIGN stringify_in_c(.balign 8) |
| 3ddfbcf1 | 27 | #define PPC_TLNEI stringify_in_c(tdnei) |
| 864b9e6f | 28 | #define PPC_LLARX(t, a, b, eh) PPC_LDARX(t, a, b, eh) |
| 3ddfbcf1 DG |
29 | #define PPC_STLCX stringify_in_c(stdcx.) |
| 30 | #define PPC_CNTLZL stringify_in_c(cntlzd) | |
| 9eff26ea | 31 | #define PPC_LR_STKOFF 16 |
| 3ddfbcf1 | 32 | |
| 3467bfd3 OJ |
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 | ||
| 3ddfbcf1 DG |
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) | |
| 6a2a24bb | 49 | #define PPC_LONG_ALIGN stringify_in_c(.balign 4) |
| 3ddfbcf1 | 50 | #define PPC_TLNEI stringify_in_c(twnei) |
| 864b9e6f | 51 | #define PPC_LLARX(t, a, b, eh) PPC_LWARX(t, a, b, eh) |
| 3ddfbcf1 DG |
52 | #define PPC_STLCX stringify_in_c(stwcx.) |
| 53 | #define PPC_CNTLZL stringify_in_c(cntlzw) | |
| 3467bfd3 | 54 | #define PPC_MTOCRF stringify_in_c(mtcrf) |
| 9eff26ea | 55 | #define PPC_LR_STKOFF 4 |
| 3ddfbcf1 DG |
56 | |
| 57 | #endif | |
| 58 | ||
| 88ced031 | 59 | #ifdef __KERNEL__ |
| 3ddfbcf1 DG |
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 | |
| 88ced031 | 70 | #endif |
| 3ddfbcf1 DG |
71 | |
| 72 | #endif /* _ASM_POWERPC_ASM_COMPAT_H */ |