cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
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interrupt_helper.c (1055B)

      1/*
      2 * OpenRISC interrupt helper routines
      3 *
      4 * Copyright (c) 2011-2012 Jia Liu <proljc@gmail.com>
      5 *                         Feng Gao <gf91597@gmail.com>
      6 *
      7 * This library is free software; you can redistribute it and/or
      8 * modify it under the terms of the GNU Lesser General Public
      9 * License as published by the Free Software Foundation; either
     10 * version 2.1 of the License, or (at your option) any later version.
     11 *
     12 * This library is distributed in the hope that it will be useful,
     13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
     14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     15 * Lesser General Public License for more details.
     16 *
     17 * You should have received a copy of the GNU Lesser General Public
     18 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
     19 */
     20
     21#include "qemu/osdep.h"
     22#include "cpu.h"
     23#include "exec/exec-all.h"
     24#include "exec/helper-proto.h"
     25
     26void HELPER(rfe)(CPUOpenRISCState *env)
     27{
     28    env->pc = env->epcr;
     29    env->lock_addr = -1;
     30    cpu_set_sr(env, env->esr);
     31}