xref: /openbmc/linux/arch/arm64/crypto/sm4-ce-core.S (revision 05cf4fe738242183f1237f1b3a28b4479348c0a1)
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
18ENTRY(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
36ENDPROC(sm4_ce_do_crypt)
37