diff options
| author | Ard Biesheuvel <ard.biesheuvel@linaro.org> | 2015-04-09 12:55:41 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2015-04-10 21:39:44 +0800 |
| commit | dde00981e64b3c6621cafe3eea2eef6a4055208c (patch) | |
| tree | f1c1694f6d66b592e98e5306035eae903b922707 /arch/arm/crypto/sha1-ce-core.S | |
| parent | 51e515faa887e40e7e30a3e13607ea6be418e4c4 (diff) | |
crypto: arm/sha1-ce - move SHA-1 ARMv8 implementation to base layer
This removes all the boilerplate from the existing implementation,
and replaces it with calls into the base layer.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'arch/arm/crypto/sha1-ce-core.S')
| -rw-r--r-- | arch/arm/crypto/sha1-ce-core.S | 23 |
1 files changed, 7 insertions, 16 deletions
diff --git a/arch/arm/crypto/sha1-ce-core.S b/arch/arm/crypto/sha1-ce-core.S index 4aad520935d8..b623f51ccbcf 100644 --- a/arch/arm/crypto/sha1-ce-core.S +++ b/arch/arm/crypto/sha1-ce-core.S @@ -61,8 +61,8 @@ .word 0xca62c1d6, 0xca62c1d6, 0xca62c1d6, 0xca62c1d6 /* - * void sha1_ce_transform(int blocks, u8 const *src, u32 *state, - * u8 *head); + * void sha1_ce_transform(struct sha1_state *sst, u8 const *src, + * int blocks); */ ENTRY(sha1_ce_transform) /* load round constants */ @@ -71,23 +71,14 @@ ENTRY(sha1_ce_transform) vld1.32 {k2-k3}, [ip, :128] /* load state */ - vld1.32 {dga}, [r2] - vldr dgbs, [r2, #16] - - /* load partial input (if supplied) */ - teq r3, #0 - beq 0f - vld1.32 {q8-q9}, [r3]! - vld1.32 {q10-q11}, [r3] - teq r0, #0 - b 1f + vld1.32 {dga}, [r0] + vldr dgbs, [r0, #16] /* load input */ 0: vld1.32 {q8-q9}, [r1]! vld1.32 {q10-q11}, [r1]! - subs r0, r0, #1 + subs r2, r2, #1 -1: #ifndef CONFIG_CPU_BIG_ENDIAN vrev32.8 q8, q8 vrev32.8 q9, q9 @@ -128,7 +119,7 @@ ENTRY(sha1_ce_transform) bne 0b /* store new state */ - vst1.32 {dga}, [r2] - vstr dgbs, [r2, #16] + vst1.32 {dga}, [r0] + vstr dgbs, [r0, #16] bx lr ENDPROC(sha1_ce_transform) |