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review.evervolv.com / android_kernel_oneplus_msm8996 / 9eff26ea48bfbe2885b158742a7512a097ec911b / . / arch / powerpc / include / asm / asm-compat.h
blob: a9b91ed3d4b9e17ae8494e17ba498d19aa43a89c [file] [log] [blame]
David Gibson3ddfbcf2005-11-10 12:56:55 +1100[diff] [blame]1#ifndef _ASM_POWERPC_ASM_COMPAT_H
2#define _ASM_POWERPC_ASM_COMPAT_H
3
David Gibson3ddfbcf2005-11-10 12:56:55 +1100[diff] [blame]4#include <asm/types.h>
Anton Blanchard864b9e62010-02-10 01:02:36 +0000[diff] [blame]5#include <asm/ppc-opcode.h>
David Gibson3ddfbcf2005-11-10 12:56:55 +1100[diff] [blame]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
Benjamin Herrenschmidt0909c8c2006-10-20 11:47:18 +1000[diff] [blame]18
David Gibson3ddfbcf2005-11-10 12:56:55 +1100[diff] [blame]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_LCMPI stringify_in_c(cmpdi)
25#define PPC_LONG stringify_in_c(.llong)
Michael Ellerman6a2a24b2008-07-17 17:17:51 +1000[diff] [blame]26#define PPC_LONG_ALIGN stringify_in_c(.balign 8)
David Gibson3ddfbcf2005-11-10 12:56:55 +1100[diff] [blame]27#define PPC_TLNEI stringify_in_c(tdnei)
Anton Blanchard864b9e62010-02-10 01:02:36 +0000[diff] [blame]28#define PPC_LLARX(t, a, b, eh) PPC_LDARX(t, a, b, eh)
David Gibson3ddfbcf2005-11-10 12:56:55 +1100[diff] [blame]29#define PPC_STLCX stringify_in_c(stdcx.)
30#define PPC_CNTLZL stringify_in_c(cntlzd)
Paul Mackerras9eff26e2010-03-18 16:05:13 +1100[diff] [blame^]31#define PPC_LR_STKOFF 16
David Gibson3ddfbcf2005-11-10 12:56:55 +1100[diff] [blame]32
Olof Johansson3467bfd2007-03-22 09:34:13 -0500[diff] [blame]33/* Move to CR, single-entry optimized version. Only available
34 * on POWER4 and later.
35 */
36#ifdef CONFIG_POWER4_ONLY
37#define PPC_MTOCRF stringify_in_c(mtocrf)
38#else
39#define PPC_MTOCRF stringify_in_c(mtcrf)
40#endif
41
David Gibson3ddfbcf2005-11-10 12:56:55 +1100[diff] [blame]42#else /* 32-bit */
43
44/* operations for longs and pointers */
45#define PPC_LL stringify_in_c(lwz)
46#define PPC_STL stringify_in_c(stw)
47#define PPC_LCMPI stringify_in_c(cmpwi)
48#define PPC_LONG stringify_in_c(.long)
Michael Ellerman6a2a24b2008-07-17 17:17:51 +1000[diff] [blame]49#define PPC_LONG_ALIGN stringify_in_c(.balign 4)
David Gibson3ddfbcf2005-11-10 12:56:55 +1100[diff] [blame]50#define PPC_TLNEI stringify_in_c(twnei)
Anton Blanchard864b9e62010-02-10 01:02:36 +0000[diff] [blame]51#define PPC_LLARX(t, a, b, eh) PPC_LWARX(t, a, b, eh)
David Gibson3ddfbcf2005-11-10 12:56:55 +1100[diff] [blame]52#define PPC_STLCX stringify_in_c(stwcx.)
53#define PPC_CNTLZL stringify_in_c(cntlzw)
Olof Johansson3467bfd2007-03-22 09:34:13 -0500[diff] [blame]54#define PPC_MTOCRF stringify_in_c(mtcrf)
Paul Mackerras9eff26e2010-03-18 16:05:13 +1100[diff] [blame^]55#define PPC_LR_STKOFF 4
David Gibson3ddfbcf2005-11-10 12:56:55 +1100[diff] [blame]56
57#endif
58
Arnd Bergmann88ced032005-12-16 22:43:46 +0100[diff] [blame]59#ifdef __KERNEL__
David Gibson3ddfbcf2005-11-10 12:56:55 +1100[diff] [blame]60#ifdef CONFIG_IBM405_ERR77
61/* Erratum #77 on the 405 means we need a sync or dcbt before every
62 * stwcx. The old ATOMIC_SYNC_FIX covered some but not all of this.
63 */
64#define PPC405_ERR77(ra,rb) stringify_in_c(dcbt ra, rb;)
65#define PPC405_ERR77_SYNC stringify_in_c(sync;)
66#else
67#define PPC405_ERR77(ra,rb)
68#define PPC405_ERR77_SYNC
69#endif
Arnd Bergmann88ced032005-12-16 22:43:46 +0100[diff] [blame]70#endif
David Gibson3ddfbcf2005-11-10 12:56:55 +1100[diff] [blame]71
72#endif /* _ASM_POWERPC_ASM_COMPAT_H */