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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_MTOCRF(FXM, RS) MTOCRF((FXM), RS)
33#define PPC_LR_STKOFF 16
34#define PPC_MIN_STKFRM 112
35
36#ifdef __BIG_ENDIAN__
37#define LWZX_BE stringify_in_c(lwzx)
38#define LDX_BE stringify_in_c(ldx)
39#define STWX_BE stringify_in_c(stwx)
40#define STDX_BE stringify_in_c(stdx)
41#else
42#define LWZX_BE stringify_in_c(lwbrx)
43#define LDX_BE stringify_in_c(ldbrx)
44#define STWX_BE stringify_in_c(stwbrx)
45#define STDX_BE stringify_in_c(stdbrx)
46#endif
47
48#else /* 32-bit */
49
50/* operations for longs and pointers */
51#define PPC_LL stringify_in_c(lwz)
52#define PPC_STL stringify_in_c(stw)
53#define PPC_STLU stringify_in_c(stwu)
54#define PPC_LCMPI stringify_in_c(cmpwi)
55#define PPC_LONG stringify_in_c(.long)
56#define PPC_LONG_ALIGN stringify_in_c(.balign 4)
57#define PPC_TLNEI stringify_in_c(twnei)
58#define PPC_LLARX(t, a, b, eh) PPC_LWARX(t, a, b, eh)
59#define PPC_STLCX stringify_in_c(stwcx.)
60#define PPC_CNTLZL stringify_in_c(cntlzw)
61#define PPC_MTOCRF stringify_in_c(mtcrf)
62#define PPC_LR_STKOFF 4
63#define PPC_MIN_STKFRM 16
64
65#endif
66
67#ifdef __KERNEL__
68#ifdef CONFIG_IBM405_ERR77
69/* Erratum #77 on the 405 means we need a sync or dcbt before every
70 * stwcx. The old ATOMIC_SYNC_FIX covered some but not all of this.
71 */
72#define PPC405_ERR77(ra,rb) stringify_in_c(dcbt ra, rb;)
73#define PPC405_ERR77_SYNC stringify_in_c(sync;)
74#else
75#define PPC405_ERR77(ra,rb)
76#define PPC405_ERR77_SYNC
77#endif
78#endif
79
80#endif /* _ASM_POWERPC_ASM_COMPAT_H */