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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elf.c (699B)

      1// SPDX-License-Identifier: GPL-2.0
      2/*
      3 * Author: Huacai Chen <chenhuacai@loongson.cn>
      4 * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
      5 */
      6
      7#include <linux/binfmts.h>
      8#include <linux/elf.h>
      9#include <linux/export.h>
     10#include <linux/sched.h>
     11
     12#include <asm/cpu-features.h>
     13#include <asm/cpu-info.h>
     14
     15int arch_elf_pt_proc(void *_ehdr, void *_phdr, struct file *elf,
     16		     bool is_interp, struct arch_elf_state *state)
     17{
     18	return 0;
     19}
     20
     21int arch_check_elf(void *_ehdr, bool has_interpreter, void *_interp_ehdr,
     22		   struct arch_elf_state *state)
     23{
     24	return 0;
     25}
     26
     27void loongarch_set_personality_fcsr(struct arch_elf_state *state)
     28{
     29	current->thread.fpu.fcsr = boot_cpu_data.fpu_csr0;
     30}