diff options
Diffstat (limited to 'arch/powerpc/include/asm/feature-fixups.h')
| -rw-r--r-- | arch/powerpc/include/asm/feature-fixups.h | 67 |
1 files changed, 49 insertions, 18 deletions
diff --git a/arch/powerpc/include/asm/feature-fixups.h b/arch/powerpc/include/asm/feature-fixups.h index e4094a5cb05..9a67a38bf7b 100644 --- a/arch/powerpc/include/asm/feature-fixups.h +++ b/arch/powerpc/include/asm/feature-fixups.h @@ -8,8 +8,6 @@ * 2 of the License, or (at your option) any later version. */ -#ifdef __ASSEMBLY__ - /* * Feature section common macros * @@ -23,10 +21,12 @@ /* 64 bits kernel, 32 bits code (ie. vdso32) */ #define FTR_ENTRY_LONG .llong #define FTR_ENTRY_OFFSET .long 0xffffffff; .long +#elif defined(CONFIG_PPC64) +#define FTR_ENTRY_LONG .llong +#define FTR_ENTRY_OFFSET .llong #else -/* 64 bit kernel 64 bit code, or 32 bit kernel 32 bit code */ -#define FTR_ENTRY_LONG PPC_LONG -#define FTR_ENTRY_OFFSET PPC_LONG +#define FTR_ENTRY_LONG .long +#define FTR_ENTRY_OFFSET .long #endif #define START_FTR_SECTION(label) label##1: @@ -37,18 +37,21 @@ label##2: \ .align 2; \ label##3: -#define MAKE_FTR_SECTION_ENTRY(msk, val, label, sect) \ -label##4: \ - .popsection; \ - .pushsection sect,"a"; \ - .align 3; \ -label##5: \ - FTR_ENTRY_LONG msk; \ - FTR_ENTRY_LONG val; \ - FTR_ENTRY_OFFSET label##1b-label##5b; \ - FTR_ENTRY_OFFSET label##2b-label##5b; \ - FTR_ENTRY_OFFSET label##3b-label##5b; \ - FTR_ENTRY_OFFSET label##4b-label##5b; \ +#define MAKE_FTR_SECTION_ENTRY(msk, val, label, sect) \ +label##4: \ + .popsection; \ + .pushsection sect,"a"; \ + .align 3; \ +label##5: \ + FTR_ENTRY_LONG msk; \ + FTR_ENTRY_LONG val; \ + FTR_ENTRY_OFFSET label##1b-label##5b; \ + FTR_ENTRY_OFFSET label##2b-label##5b; \ + FTR_ENTRY_OFFSET label##3b-label##5b; \ + FTR_ENTRY_OFFSET label##4b-label##5b; \ + .ifgt (label##4b- label##3b)-(label##2b- label##1b); \ + .error "Feature section else case larger than body"; \ + .endif; \ .popsection; @@ -141,6 +144,34 @@ label##5: \ #define ALT_FW_FTR_SECTION_END_IFCLR(msk) \ ALT_FW_FTR_SECTION_END_NESTED_IFCLR(msk, 97) +#ifndef __ASSEMBLY__ + +#define ASM_FTR_IF(section_if, section_else, msk, val) \ + stringify_in_c(BEGIN_FTR_SECTION) \ + section_if "; " \ + stringify_in_c(FTR_SECTION_ELSE) \ + section_else "; " \ + stringify_in_c(ALT_FTR_SECTION_END((msk), (val))) + +#define ASM_FTR_IFSET(section_if, section_else, msk) \ + ASM_FTR_IF(section_if, section_else, (msk), (msk)) + +#define ASM_FTR_IFCLR(section_if, section_else, msk) \ + ASM_FTR_IF(section_if, section_else, (msk), 0) + +#define ASM_MMU_FTR_IF(section_if, section_else, msk, val) \ + stringify_in_c(BEGIN_MMU_FTR_SECTION) \ + section_if "; " \ + stringify_in_c(MMU_FTR_SECTION_ELSE) \ + section_else "; " \ + stringify_in_c(ALT_MMU_FTR_SECTION_END((msk), (val))) + +#define ASM_MMU_FTR_IFSET(section_if, section_else, msk) \ + ASM_MMU_FTR_IF(section_if, section_else, (msk), (msk)) + +#define ASM_MMU_FTR_IFCLR(section_if, section_else, msk) \ + ASM_MMU_FTR_IF(section_if, section_else, (msk), 0) + #endif /* __ASSEMBLY__ */ /* LWSYNC feature sections */ @@ -150,7 +181,7 @@ label##2: \ .pushsection sect,"a"; \ .align 2; \ label##3: \ - .long label##1b-label##3b; \ + FTR_ENTRY_OFFSET label##1b-label##3b; \ .popsection; #endif /* __ASM_POWERPC_FEATURE_FIXUPS_H */ |