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authorStephen Rothwell <sfr@canb.auug.org.au>2008-08-01 01:20:30 -0400
committerPaul Mackerras <paulus@samba.org>2008-08-03 22:02:00 -0400
commitb8b572e1015f81b4e748417be2629dfe51ab99f9 (patch)
tree7df58667d5ed71d6c8f8f4ce40ca16b6fb776d0b /arch/powerpc/include/asm/asm-compat.h
parent2b12a4c524812fb3f6ee590a02e65b95c8c32229 (diff)
powerpc: Move include files to arch/powerpc/include/asm
from include/asm-powerpc. This is the result of a mkdir arch/powerpc/include/asm git mv include/asm-powerpc/* arch/powerpc/include/asm Followed by a few documentation/comment fixups and a couple of places where <asm-powepc/...> was being used explicitly. Of the latter only one was outside the arch code and it is a driver only built for powerpc. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/include/asm/asm-compat.h')
-rw-r--r--arch/powerpc/include/asm/asm-compat.h69
1 files changed, 69 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/asm-compat.h b/arch/powerpc/include/asm/asm-compat.h
new file mode 100644
index 00000000000..8f0fe797194
--- /dev/null
+++ b/arch/powerpc/include/asm/asm-compat.h
@@ -0,0 +1,69 @@
1#ifndef _ASM_POWERPC_ASM_COMPAT_H
2#define _ASM_POWERPC_ASM_COMPAT_H
3
4#include <asm/types.h>
5
6#ifdef __ASSEMBLY__
7# define stringify_in_c(...) __VA_ARGS__
8# define ASM_CONST(x) x
9#else
10/* This version of stringify will deal with commas... */
11# define __stringify_in_c(...) #__VA_ARGS__
12# define stringify_in_c(...) __stringify_in_c(__VA_ARGS__) " "
13# define __ASM_CONST(x) x##UL
14# define ASM_CONST(x) __ASM_CONST(x)
15#endif
16
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_LONG_ALIGN stringify_in_c(.balign 8)
26#define PPC_TLNEI stringify_in_c(tdnei)
27#define PPC_LLARX stringify_in_c(ldarx)
28#define PPC_STLCX stringify_in_c(stdcx.)
29#define PPC_CNTLZL stringify_in_c(cntlzd)
30
31/* Move to CR, single-entry optimized version. Only available
32 * on POWER4 and later.
33 */
34#ifdef CONFIG_POWER4_ONLY
35#define PPC_MTOCRF stringify_in_c(mtocrf)
36#else
37#define PPC_MTOCRF stringify_in_c(mtcrf)
38#endif
39
40#else /* 32-bit */
41
42/* operations for longs and pointers */
43#define PPC_LL stringify_in_c(lwz)
44#define PPC_STL stringify_in_c(stw)
45#define PPC_LCMPI stringify_in_c(cmpwi)
46#define PPC_LONG stringify_in_c(.long)
47#define PPC_LONG_ALIGN stringify_in_c(.balign 4)
48#define PPC_TLNEI stringify_in_c(twnei)
49#define PPC_LLARX stringify_in_c(lwarx)
50#define PPC_STLCX stringify_in_c(stwcx.)
51#define PPC_CNTLZL stringify_in_c(cntlzw)
52#define PPC_MTOCRF stringify_in_c(mtcrf)
53
54#endif
55
56#ifdef __KERNEL__
57#ifdef CONFIG_IBM405_ERR77
58/* Erratum #77 on the 405 means we need a sync or dcbt before every
59 * stwcx. The old ATOMIC_SYNC_FIX covered some but not all of this.
60 */
61#define PPC405_ERR77(ra,rb) stringify_in_c(dcbt ra, rb;)
62#define PPC405_ERR77_SYNC stringify_in_c(sync;)
63#else
64#define PPC405_ERR77(ra,rb)
65#define PPC405_ERR77_SYNC
66#endif
67#endif
68
69#endif /* _ASM_POWERPC_ASM_COMPAT_H */