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lastdragon
2026-09-06 12:53:21 -06:00
parent 662efe3c2a
commit ad2088d178
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linux-7.2.3/arch/arm64/crypto/sm4-ce-cipher-core.S
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// SPDX-License-Identifier: GPL-2.0
#include <linux/linkage.h>
#include <asm/assembler.h>
.irp b, 0, 1, 2, 3, 4, 5, 6, 7, 8
.set .Lv\b\().4s, \b
.endr
.macro sm4e, rd, rn
.inst 0xcec08400 | .L\rd | (.L\rn << 5)
.endm
/*
* void sm4_ce_do_crypt(const u32 *rk, u32 *out, const u32 *in);
*/
.text
SYM_FUNC_START(sm4_ce_do_crypt)
ld1 {v8.4s}, [x2]
ld1 {v0.4s-v3.4s}, [x0], #64
CPU_LE( rev32 v8.16b, v8.16b )
ld1 {v4.4s-v7.4s}, [x0]
sm4e v8.4s, v0.4s
sm4e v8.4s, v1.4s
sm4e v8.4s, v2.4s
sm4e v8.4s, v3.4s
sm4e v8.4s, v4.4s
sm4e v8.4s, v5.4s
sm4e v8.4s, v6.4s
sm4e v8.4s, v7.4s
rev64 v8.4s, v8.4s
ext v8.16b, v8.16b, v8.16b, #8
CPU_LE( rev32 v8.16b, v8.16b )
st1 {v8.4s}, [x1]
ret
SYM_FUNC_END(sm4_ce_do_crypt)