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_LCMPLI	stringify_in_c(cmpldi)
27#define PPC_LCMP	stringify_in_c(cmpd)
28#define PPC_LONG	stringify_in_c(.8byte)
29#define PPC_LONG_ALIGN	stringify_in_c(.balign 8)
30#define PPC_TLNEI	stringify_in_c(tdnei)
31#define PPC_LLARX(t, a, b, eh)	PPC_LDARX(t, a, b, eh)
32#define PPC_STLCX	stringify_in_c(stdcx.)
33#define PPC_CNTLZL	stringify_in_c(cntlzd)
34#define PPC_MTOCRF(FXM, RS) MTOCRF((FXM), RS)
35#define PPC_LR_STKOFF	16
36#define PPC_MIN_STKFRM	112
37
38#ifdef __BIG_ENDIAN__
39#define LHZX_BE	stringify_in_c(lhzx)
40#define LWZX_BE	stringify_in_c(lwzx)
41#define LDX_BE	stringify_in_c(ldx)
42#define STWX_BE	stringify_in_c(stwx)
43#define STDX_BE	stringify_in_c(stdx)
44#else
45#define LHZX_BE	stringify_in_c(lhbrx)
46#define LWZX_BE	stringify_in_c(lwbrx)
47#define LDX_BE	stringify_in_c(ldbrx)
48#define STWX_BE	stringify_in_c(stwbrx)
49#define STDX_BE	stringify_in_c(stdbrx)
50#endif
51
52#else /* 32-bit */
53
54/* operations for longs and pointers */
55#define PPC_LL		stringify_in_c(lwz)
56#define PPC_STL		stringify_in_c(stw)
57#define PPC_STLU	stringify_in_c(stwu)
58#define PPC_LCMPI	stringify_in_c(cmpwi)
59#define PPC_LCMPLI	stringify_in_c(cmplwi)
60#define PPC_LCMP	stringify_in_c(cmpw)
61#define PPC_LONG	stringify_in_c(.long)
62#define PPC_LONG_ALIGN	stringify_in_c(.balign 4)
63#define PPC_TLNEI	stringify_in_c(twnei)
64#define PPC_LLARX(t, a, b, eh)	PPC_LWARX(t, a, b, eh)
65#define PPC_STLCX	stringify_in_c(stwcx.)
66#define PPC_CNTLZL	stringify_in_c(cntlzw)
67#define PPC_MTOCRF	stringify_in_c(mtcrf)
68#define PPC_LR_STKOFF	4
69#define PPC_MIN_STKFRM	16
70
71#endif
72
73#ifdef __KERNEL__
74#ifdef CONFIG_IBM405_ERR77
75/* Erratum #77 on the 405 means we need a sync or dcbt before every
76 * stwcx.  The old ATOMIC_SYNC_FIX covered some but not all of this.
77 */
78#define PPC405_ERR77(ra,rb)	stringify_in_c(dcbt	ra, rb;)
79#define	PPC405_ERR77_SYNC	stringify_in_c(sync;)
80#else
81#define PPC405_ERR77(ra,rb)
82#define PPC405_ERR77_SYNC
83#endif
84#endif
85
86#endif /* _ASM_POWERPC_ASM_COMPAT_H */