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| author | Alexander Graf <agraf@suse.de> | 2014-06-11 10:07:40 +0200 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2014-07-28 15:22:21 +0200 |
| commit | 8f6822c4b9fac6e47414d2f1e11dbabda9bc2163 (patch) | |
| tree | 3967e1f4e1f052b7d637e2ecd770d0ac7bb79abc | |
| parent | d57cef91a0c30d3439a4d235eb94ab9efbf797a0 (diff) | |
| download | lwn-8f6822c4b9fac6e47414d2f1e11dbabda9bc2163.tar.gz lwn-8f6822c4b9fac6e47414d2f1e11dbabda9bc2163.zip | |
PPC: Add asm helpers for BE 32bit load/store
From assembly code we might not only have to explicitly BE access 64bit values,
but sometimes also 32bit ones. Add helpers that allow for easy use of lwzx/stwx
in their respective byte-reverse or native form.
Signed-off-by: Alexander Graf <agraf@suse.de>
CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
| -rw-r--r-- | arch/powerpc/include/asm/asm-compat.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/asm-compat.h b/arch/powerpc/include/asm/asm-compat.h index 4b237aa35660..21be8ae8f809 100644 --- a/arch/powerpc/include/asm/asm-compat.h +++ b/arch/powerpc/include/asm/asm-compat.h @@ -34,10 +34,14 @@ #define PPC_MIN_STKFRM 112 #ifdef __BIG_ENDIAN__ +#define LWZX_BE stringify_in_c(lwzx) #define LDX_BE stringify_in_c(ldx) +#define STWX_BE stringify_in_c(stwx) #define STDX_BE stringify_in_c(stdx) #else +#define LWZX_BE stringify_in_c(lwbrx) #define LDX_BE stringify_in_c(ldbrx) +#define STWX_BE stringify_in_c(stwbrx) #define STDX_BE stringify_in_c(stdbrx) #endif |