From 74ff6cb3aa438490ad8f8432e7b68dbcfa5ca449 Mon Sep 17 00:00:00 2001 From: Marcelo Cerri Date: Fri, 23 Sep 2016 16:31:56 -0300 Subject: crypto: sha1-powerpc - little-endian support The driver does not handle endianness properly when loading the input data. Signed-off-by: Marcelo Cerri Signed-off-by: Herbert Xu --- arch/powerpc/crypto/sha1-powerpc-asm.S | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) (limited to 'arch/powerpc') diff --git a/arch/powerpc/crypto/sha1-powerpc-asm.S b/arch/powerpc/crypto/sha1-powerpc-asm.S index 125e16520061..82ddc9bdfeb1 100644 --- a/arch/powerpc/crypto/sha1-powerpc-asm.S +++ b/arch/powerpc/crypto/sha1-powerpc-asm.S @@ -7,6 +7,15 @@ #include #include +#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 -- cgit v1.2.3