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crypto: arm64/aes-modes: Import from https://github.com/itejo443/android_kernel_samsung_sm7225/blob/ksm/arch/arm64/crypto/aes-modes.S

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Signed-off-by: rsuntk <rissu.ntk@gmail.com>
This commit is contained in:
rsuntk 2025-03-11 12:01:52 +00:00
parent c5517117ef
commit 1f675ae3f3
1 changed files with 14 additions and 10 deletions
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24
arch/arm64/crypto/aes-modes.S
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@ -232,19 +232,17 @@ AES_ENTRY(aes_ctr_encrypt)
bmi .Lctr1x
cmn w6, #4 /* 32 bit overflow? */
bcs .Lctr1x
add w7, w6, #1
ldr q8, .Laddends /* addends 1,2,3[,0] */
dup v7.4s, w6
mov v0.16b, v4.16b
add w8, w6, #2
add v7.4s, v7.4s, v8.4s
mov v1.16b, v4.16b
add w9, w6, #3
rev32 v8.16b, v7.16b
mov v2.16b, v4.16b
rev w7, w7
mov v3.16b, v4.16b
rev w8, w8
mov v1.s[3], w7
rev w9, w9
mov v2.s[3], w8
mov v3.s[3], w9
mov v1.s[3], v8.s[0]
mov v2.s[3], v8.s[1]
mov v3.s[3], v8.s[2]
ld1 {v5.16b-v7.16b}, [x20], #48 /* get 3 input blocks */
bl aes_encrypt_block4x
eor v0.16b, v5.16b, v0.16b
@ -297,6 +295,12 @@ AES_ENTRY(aes_ctr_encrypt)
rev x7, x7
ins v4.d[0], x7
b .Lctrcarrydone
.Laddends:
.word 0x00000001
.word 0x00000002
.word 0x00000003
.word 0x00000000
AES_ENDPROC(aes_ctr_encrypt)
.ltorg
@ -517,4 +521,4 @@ AES_ENTRY(aes_mac_update)
ld1 {v0.16b}, [x23] /* get dg */
enc_prepare w21, x20, x0
b .Lmacloop4x
AES_ENDPROC(aes_mac_update)
AES_ENDPROC(aes_mac_update)