swh:1:snp:77163734605b0ec556b01d897b7bb4a7e30d46b6
Raw File
Tip revision: 8bb7eca972ad531c9b149c0a51ab43a417385813 authored by Linus Torvalds on 31 October 2021, 20:53:10 UTC
Linux 5.15
Tip revision: 8bb7eca
sm4-ce-core.S
// 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)
back to top