This tweaks the SHA-1 NEON code slightly so it works correctly under big endian,
and removes the Kconfig condition preventing it from being selected if
CONFIG_CPU_BIG_ENDIAN is set.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>
---
arch/arm/crypto/sha1-armv7-neon.S | 8 ++++----
crypto/Kconfig | 2 +-
2 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/arch/arm/crypto/sha1-armv7-neon.S b/arch/arm/crypto/sha1-armv7-neon.S
index 50013c0e2864..49179e0653e6 100644
--- a/arch/arm/crypto/sha1-armv7-neon.S
+++ b/arch/arm/crypto/sha1-armv7-neon.S
@@ -150,9 +150,9 @@
#define W_PRECALC_00_15() \
add RWK, sp, #(WK_offs(0)); \
\
- vld1.32 {tmp0, tmp1}, [RDATA]!; \
+ vld1.8 {tmp0, tmp1}, [RDATA]!; \
vrev32.8 W0, tmp0; /* big => little */ \
- vld1.32 {tmp2, tmp3}, [RDATA]!; \
+ vld1.8 {tmp2, tmp3}, [RDATA]!; \
vadd.u32 tmp0, W0, curK; \
vrev32.8 W7, tmp1; /* big => little */ \
vrev32.8 W6, tmp2; /* big => little */ \
@@ -164,7 +164,7 @@
vst1.32 {tmp2, tmp3}, [RWK]; \
#define WPRECALC_00_15_0(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
- vld1.32 {tmp0, tmp1}, [RDATA]!; \
+ vld1.8 {tmp0, tmp1}, [RDATA]!; \
#define WPRECALC_00_15_1(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
add RWK, sp, #(WK_offs(0)); \
@@ -173,7 +173,7 @@
vrev32.8 W0, tmp0; /* big => little */ \
#define WPRECALC_00_15_3(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
- vld1.32 {tmp2, tmp3}, [RDATA]!; \
+ vld1.8 {tmp2, tmp3}, [RDATA]!; \
#define WPRECALC_00_15_4(i,W,W_m04,W_m08,W_m12,W_m16,W_m20,W_m24,W_m28) \
vadd.u32 tmp0, W0, curK; \
diff --git a/crypto/Kconfig b/crypto/Kconfig
index 749b1e05c490..deef2a4b6559 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -542,7 +542,7 @@ config CRYPTO_SHA1_ARM
config CRYPTO_SHA1_ARM_NEON
tristate "SHA1 digest algorithm (ARM NEON)"
- depends on ARM && KERNEL_MODE_NEON && !CPU_BIG_ENDIAN
+ depends on ARM && KERNEL_MODE_NEON
select CRYPTO_SHA1_ARM
select CRYPTO_SHA1
select CRYPTO_HASH
--
1.8.3.2
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