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 */
87