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authorArd Biesheuvel <ard.biesheuvel@linaro.org>2016-10-11 19:15:16 +0100
committerHerbert Xu <herbert@gondor.apana.org.au>2016-10-21 11:03:43 +0800
commit174122c39c369ed924d2608fc0be0171997ce800 (patch)
treeb04179b9129e8428867354be4a16b26abdb19686 /arch/arm64/crypto
parentcrypto: arm64/sha1-ce - fix for big endian (diff)
downloadlinux-dev-174122c39c369ed924d2608fc0be0171997ce800.tar.xz
linux-dev-174122c39c369ed924d2608fc0be0171997ce800.zip
crypto: arm64/sha2-ce - fix for big endian
The SHA256 digest is an array of 8 32-bit quantities, so we should refer to them as such in order for this code to work correctly when built for big endian. So replace 16 byte scalar loads and stores with 4x32 vector ones where appropriate. Fixes: 6ba6c74dfc6b ("arm64/crypto: SHA-224/SHA-256 using ARMv8 Crypto Extensions") Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'arch/arm64/crypto')
-rw-r--r--arch/arm64/crypto/sha2-ce-core.S4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm64/crypto/sha2-ce-core.S b/arch/arm64/crypto/sha2-ce-core.S
index 5df9d9d470ad..01cfee066837 100644
--- a/arch/arm64/crypto/sha2-ce-core.S
+++ b/arch/arm64/crypto/sha2-ce-core.S
@@ -85,7 +85,7 @@ ENTRY(sha2_ce_transform)
ld1 {v12.4s-v15.4s}, [x8]
/* load state */
- ldp dga, dgb, [x0]
+ ld1 {dgav.4s, dgbv.4s}, [x0]
/* load sha256_ce_state::finalize */
ldr w4, [x0, #:lo12:sha256_ce_offsetof_finalize]
@@ -148,6 +148,6 @@ CPU_LE( rev32 v19.16b, v19.16b )
b 1b
/* store new state */
-3: stp dga, dgb, [x0]
+3: st1 {dgav.4s, dgbv.4s}, [x0]
ret
ENDPROC(sha2_ce_transform)