| Message ID | 1406884714-33099-17-git-send-email-agraf@suse.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Fri, 2014-08-01 at 11:17 +0200, Alexander Graf wrote: > >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> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> > --- > arch/powerpc/include/asm/asm-compat.h | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/arch/powerpc/include/asm/asm-compat.h b/arch/powerpc/include/asm/asm-compat.h > index 4b237aa..21be8ae 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 > -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/arch/powerpc/include/asm/asm-compat.h b/arch/powerpc/include/asm/asm-compat.h index 4b237aa..21be8ae 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
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> --- arch/powerpc/include/asm/asm-compat.h | 4 ++++ 1 file changed, 4 insertions(+)