Fri, Sep 23, 2016 at 04:31:56PM -0300, Marcelo Cerri wrote: > The driver does not handle endianness properly when loading the input > data. Indeed. I tested in both endianesses and it's working fine. Thanks! Herbert, can we go ahead with this fix? > > Signed-off-by: Marcelo Cerri <marcelo.cerri@xxxxxxxxxxxxx> > --- > arch/powerpc/crypto/sha1-powerpc-asm.S | 13 +++++++++++-- > 1 file changed, 11 insertions(+), 2 deletions(-) > > diff --git a/arch/powerpc/crypto/sha1-powerpc-asm.S b/arch/powerpc/crypto/sha1-powerpc-asm.S > index 125e165..82ddc9b 100644 > --- a/arch/powerpc/crypto/sha1-powerpc-asm.S > +++ b/arch/powerpc/crypto/sha1-powerpc-asm.S > @@ -7,6 +7,15 @@ > #include <asm/ppc_asm.h> > #include <asm/asm-offsets.h> > > +#ifdef __BIG_ENDIAN__ > +#define LWZ(rt, d, ra) \ > + lwz rt,d(ra) > +#else > +#define LWZ(rt, d, ra) \ > + li rt,d; \ > + lwbrx rt,rt,ra > +#endif > + > /* > * We roll the registers for T, A, B, C, D, E around on each > * iteration; T on iteration t is A on iteration t+1, and so on. > @@ -23,7 +32,7 @@ > #define W(t) (((t)%16)+16) > > #define LOADW(t) \ > - lwz W(t),(t)*4(r4) > + LWZ(W(t),(t)*4,r4) > > #define STEPD0_LOAD(t) \ > andc r0,RD(t),RB(t); \ > @@ -33,7 +42,7 @@ > add r0,RE(t),r15; \ > add RT(t),RT(t),r6; \ > add r14,r0,W(t); \ > - lwz W((t)+4),((t)+4)*4(r4); \ > + LWZ(W((t)+4),((t)+4)*4,r4); \ > rotlwi RB(t),RB(t),30; \ > add RT(t),RT(t),r14 > > -- > 2.7.4 > -- Paulo Flabiano Smorigo IBM Linux Technology Center -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
