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1 | #ifndef _ASM_POWERPC_ASM_COMPAT_H |
2 | #define _ASM_POWERPC_ASM_COMPAT_H | |
3 | ||
4 | #include <linux/config.h> | |
5 | #include <asm/types.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 | #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_TLNEI stringify_in_c(tdnei) | |
26 | #define PPC_LLARX stringify_in_c(ldarx) | |
27 | #define PPC_STLCX stringify_in_c(stdcx.) | |
28 | #define PPC_CNTLZL stringify_in_c(cntlzd) | |
29 | ||
30 | #else /* 32-bit */ | |
31 | ||
32 | /* operations for longs and pointers */ | |
33 | #define PPC_LL stringify_in_c(lwz) | |
34 | #define PPC_STL stringify_in_c(stw) | |
35 | #define PPC_LCMPI stringify_in_c(cmpwi) | |
36 | #define PPC_LONG stringify_in_c(.long) | |
37 | #define PPC_TLNEI stringify_in_c(twnei) | |
38 | #define PPC_LLARX stringify_in_c(lwarx) | |
39 | #define PPC_STLCX stringify_in_c(stwcx.) | |
40 | #define PPC_CNTLZL stringify_in_c(cntlzw) | |
41 | ||
42 | #endif | |
43 | ||
44 | #ifdef CONFIG_IBM405_ERR77 | |
45 | /* Erratum #77 on the 405 means we need a sync or dcbt before every | |
46 | * stwcx. The old ATOMIC_SYNC_FIX covered some but not all of this. | |
47 | */ | |
48 | #define PPC405_ERR77(ra,rb) stringify_in_c(dcbt ra, rb;) | |
49 | #define PPC405_ERR77_SYNC stringify_in_c(sync;) | |
50 | #else | |
51 | #define PPC405_ERR77(ra,rb) | |
52 | #define PPC405_ERR77_SYNC | |
53 | #endif | |
54 | ||
55 | #endif /* _ASM_POWERPC_ASM_COMPAT_H */ |