cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

sm4-ce-cipher-core.S (757B)

      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)