diff options
| author | Milton Miller <miltonm@bga.com> | 2009-04-29 22:58:01 +0200 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-05-21 07:44:21 +0200 |
| commit | af20aeb1a3292ae7ecfc492a4dc059e35465e016 (patch) | |
| tree | 8462db2d11f395468b20f43d882337ad0bea9683 /arch | |
| parent | powerpc: Move VSX load/stores into ppc-opcode.h (diff) | |
| download | linux-af20aeb1a3292ae7ecfc492a4dc059e35465e016.tar.xz linux-af20aeb1a3292ae7ecfc492a4dc059e35465e016.zip | |
powerpc: Enable MMU feature sections for inline asm
powerpc: Enable MMU feature sections for inline asm
This adds the ability to do MMU feature sections for inline asm.
Signed-off-by: Milton Miller <miltonm@bga.com>
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/include/asm/feature-fixups.h | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/arch/powerpc/include/asm/feature-fixups.h b/arch/powerpc/include/asm/feature-fixups.h index e4094a5cb05b..cbd4dfa4bce2 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: @@ -141,6 +141,21 @@ label##5: \ #define ALT_FW_FTR_SECTION_END_IFCLR(msk) \ ALT_FW_FTR_SECTION_END_NESTED_IFCLR(msk, 97) +#ifndef __ASSEMBLY__ + +#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 */ |