cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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xor-neon.c (939B)

      1// SPDX-License-Identifier: GPL-2.0-only
      2/*
      3 * linux/arch/arm/lib/xor-neon.c
      4 *
      5 * Copyright (C) 2013 Linaro Ltd <ard.biesheuvel@linaro.org>
      6 */
      7
      8#include <linux/raid/xor.h>
      9#include <linux/module.h>
     10
     11MODULE_LICENSE("GPL");
     12
     13#ifndef __ARM_NEON__
     14#error You should compile this file with '-march=armv7-a -mfloat-abi=softfp -mfpu=neon'
     15#endif
     16
     17/*
     18 * Pull in the reference implementations while instructing GCC (through
     19 * -ftree-vectorize) to attempt to exploit implicit parallelism and emit
     20 * NEON instructions. Clang does this by default at O2 so no pragma is
     21 * needed.
     22 */
     23#ifdef CONFIG_CC_IS_GCC
     24#pragma GCC optimize "tree-vectorize"
     25#endif
     26
     27#pragma GCC diagnostic ignored "-Wunused-variable"
     28#include <asm-generic/xor.h>
     29
     30struct xor_block_template const xor_block_neon_inner = {
     31	.name	= "__inner_neon__",
     32	.do_2	= xor_8regs_2,
     33	.do_3	= xor_8regs_3,
     34	.do_4	= xor_8regs_4,
     35	.do_5	= xor_8regs_5,
     36};
     37EXPORT_SYMBOL(xor_block_neon_inner);