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Diffstat (limited to 'arch/arm64/crypto/sha1-ce-core.S')
-rw-r--r--arch/arm64/crypto/sha1-ce-core.S51
1 files changed, 19 insertions, 32 deletions
diff --git a/arch/arm64/crypto/sha1-ce-core.S b/arch/arm64/crypto/sha1-ce-core.S
index c2ce1f820706..9b1f2d82a6fe 100644
--- a/arch/arm64/crypto/sha1-ce-core.S
+++ b/arch/arm64/crypto/sha1-ce-core.S
@@ -62,40 +62,34 @@
.endm
/*
- * void sha1_ce_transform(struct sha1_ce_state *sst, u8 const *src,
- * int blocks)
+ * int __sha1_ce_transform(struct sha1_ce_state *sst, u8 const *src,
+ * int blocks)
*/
-ENTRY(sha1_ce_transform)
- frame_push 3
-
- mov x19, x0
- mov x20, x1
- mov x21, x2
-
+SYM_FUNC_START(__sha1_ce_transform)
/* load round constants */
-0: loadrc k0.4s, 0x5a827999, w6
+ loadrc k0.4s, 0x5a827999, w6
loadrc k1.4s, 0x6ed9eba1, w6
loadrc k2.4s, 0x8f1bbcdc, w6
loadrc k3.4s, 0xca62c1d6, w6
/* load state */
- ld1 {dgav.4s}, [x19]
- ldr dgb, [x19, #16]
+ ld1 {dgav.4s}, [x0]
+ ldr dgb, [x0, #16]
/* load sha1_ce_state::finalize */
ldr_l w4, sha1_ce_offsetof_finalize, x4
- ldr w4, [x19, x4]
+ ldr w4, [x0, x4]
/* load input */
-1: ld1 {v8.4s-v11.4s}, [x20], #64
- sub w21, w21, #1
+0: ld1 {v8.4s-v11.4s}, [x1], #64
+ sub w2, w2, #1
CPU_LE( rev32 v8.16b, v8.16b )
CPU_LE( rev32 v9.16b, v9.16b )
CPU_LE( rev32 v10.16b, v10.16b )
CPU_LE( rev32 v11.16b, v11.16b )
-2: add t0.4s, v8.4s, k0.4s
+1: add t0.4s, v8.4s, k0.4s
mov dg0v.16b, dgav.16b
add_update c, ev, k0, 8, 9, 10, 11, dgb
@@ -126,25 +120,18 @@ CPU_LE( rev32 v11.16b, v11.16b )
add dgbv.2s, dgbv.2s, dg1v.2s
add dgav.4s, dgav.4s, dg0v.4s
- cbz w21, 3f
-
- if_will_cond_yield_neon
- st1 {dgav.4s}, [x19]
- str dgb, [x19, #16]
- do_cond_yield_neon
+ cbz w2, 2f
+ cond_yield 3f, x5, x6
b 0b
- endif_yield_neon
-
- b 1b
/*
* Final block: add padding and total bit count.
* Skip if the input size was not a round multiple of the block size,
* the padding is handled by the C code in that case.
*/
-3: cbz x4, 4f
+2: cbz x4, 3f
ldr_l w4, sha1_ce_offsetof_count, x4
- ldr x4, [x19, x4]
+ ldr x4, [x0, x4]
movi v9.2d, #0
mov x8, #0x80000000
movi v10.2d, #0
@@ -153,11 +140,11 @@ CPU_LE( rev32 v11.16b, v11.16b )
mov x4, #0
mov v11.d[0], xzr
mov v11.d[1], x7
- b 2b
+ b 1b
/* store new state */
-4: st1 {dgav.4s}, [x19]
- str dgb, [x19, #16]
- frame_pop
+3: st1 {dgav.4s}, [x0]
+ str dgb, [x0, #16]
+ mov w0, w2
ret
-ENDPROC(sha1_ce_transform)
+SYM_FUNC_END(__sha1_ce_transform)