mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-28 11:18:45 +07:00
d2912cb15b
Based on 2 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
71 lines
1.6 KiB
C
71 lines
1.6 KiB
C
/* 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 */
|