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/* SPDX-License-Identifier: GPL-2.0-only */ /* * arch/arm64/include/asm/xor.h * * Authors: Jackie Liu <liuyun01@kylinos.cn> * Copyright (C) 2018,Tianjin KYLIN Information Technology Co., Ltd. */ #include <linux/hardirq.h> #include <asm-generic/xor.h> #include <asm/hwcap.h> #include <asm/neon.h> #ifdef CONFIG_KERNEL_MODE_NEON extern struct xor_block_template const xor_block_inner_neon; static void xor_neon_2(unsigned long bytes, unsigned long *p1, unsigned long *p2) { kernel_neon_begin(); xor_block_inner_neon.do_2(bytes, p1, p2); kernel_neon_end(); } static void xor_neon_3(unsigned long bytes, unsigned long *p1, unsigned long *p2, unsigned long *p3) { kernel_neon_begin(); xor_block_inner_neon.do_3(bytes, p1, p2, p3); kernel_neon_end(); } static void xor_neon_4(unsigned long bytes, unsigned long *p1, unsigned long *p2, unsigned long *p3, unsigned long *p4) { kernel_neon_begin(); xor_block_inner_neon.do_4(bytes, p1, p2, p3, p4); kernel_neon_end(); } static void xor_neon_5(unsigned long bytes, unsigned long *p1, unsigned long *p2, unsigned long *p3, unsigned long *p4, unsigned long *p5) { kernel_neon_begin(); xor_block_inner_neon.do_5(bytes, p1, p2, p3, p4, p5); kernel_neon_end(); } static struct xor_block_template xor_block_arm64 = { .name = "arm64_neon", .do_2 = xor_neon_2, .do_3 = xor_neon_3, .do_4 = xor_neon_4, .do_5 = xor_neon_5 }; #undef XOR_TRY_TEMPLATES #define XOR_TRY_TEMPLATES \ do { \ xor_speed(&xor_block_8regs); \ xor_speed(&xor_block_32regs); \ if (cpu_has_neon()) { \ xor_speed(&xor_block_arm64);\ } \ } while (0) #endif /* ! CONFIG_KERNEL_MODE_NEON */