xref: /openbmc/linux/arch/arm64/crypto/sm4-ce-core.S (revision 31ab09b4218879bc394c9faa6da983a82a694600)
1// SPDX-License-Identifier: GPL-2.0
2
3#include <linux/linkage.h>
4#include <asm/assembler.h>
5
6	.irp		b, 0, 1, 2, 3, 4, 5, 6, 7, 8
7	.set		.Lv\b\().4s, \b
8	.endr
9
10	.macro		sm4e, rd, rn
11	.inst		0xcec08400 | .L\rd | (.L\rn << 5)
12	.endm
13
14	/*
15	 * void sm4_ce_do_crypt(const u32 *rk, u32 *out, const u32 *in);
16	 */
17	.text
18SYM_FUNC_START(sm4_ce_do_crypt)
19	ld1		{v8.4s}, [x2]
20	ld1		{v0.4s-v3.4s}, [x0], #64
21CPU_LE(	rev32		v8.16b, v8.16b		)
22	ld1		{v4.4s-v7.4s}, [x0]
23	sm4e		v8.4s, v0.4s
24	sm4e		v8.4s, v1.4s
25	sm4e		v8.4s, v2.4s
26	sm4e		v8.4s, v3.4s
27	sm4e		v8.4s, v4.4s
28	sm4e		v8.4s, v5.4s
29	sm4e		v8.4s, v6.4s
30	sm4e		v8.4s, v7.4s
31	rev64		v8.4s, v8.4s
32	ext		v8.16b, v8.16b, v8.16b, #8
33CPU_LE(	rev32		v8.16b, v8.16b		)
34	st1		{v8.4s}, [x1]
35	ret
36SYM_FUNC_END(sm4_ce_do_crypt)
37