1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * arch/arm64/include/asm/xor.h
5 * Authors: Jackie Liu <liuyun01@kylinos.cn>
6 * Copyright (C) 2018,Tianjin KYLIN Information Technology Co., Ltd.
9 #include <linux/hardirq.h>
10 #include <asm-generic/xor.h>
11 #include <asm/hwcap.h>
14 #ifdef CONFIG_KERNEL_MODE_NEON
16 extern struct xor_block_template const xor_block_inner_neon;
19 xor_neon_2(unsigned long bytes, unsigned long *p1, unsigned long *p2)
22 xor_block_inner_neon.do_2(bytes, p1, p2);
27 xor_neon_3(unsigned long bytes, unsigned long *p1, unsigned long *p2,
31 xor_block_inner_neon.do_3(bytes, p1, p2, p3);
36 xor_neon_4(unsigned long bytes, unsigned long *p1, unsigned long *p2,
37 unsigned long *p3, unsigned long *p4)
40 xor_block_inner_neon.do_4(bytes, p1, p2, p3, p4);
45 xor_neon_5(unsigned long bytes, unsigned long *p1, unsigned long *p2,
46 unsigned long *p3, unsigned long *p4, unsigned long *p5)
49 xor_block_inner_neon.do_5(bytes, p1, p2, p3, p4, p5);
53 static struct xor_block_template xor_block_arm64 = {
60 #undef XOR_TRY_TEMPLATES
61 #define XOR_TRY_TEMPLATES \
63 xor_speed(&xor_block_8regs); \
64 xor_speed(&xor_block_32regs); \
65 if (cpu_has_neon()) { \
66 xor_speed(&xor_block_arm64);\
70 #endif /* ! CONFIG_KERNEL_MODE_NEON */