cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
Log | Files | Refs | Submodules | LICENSE | sfeed.txt

target_cpu.h (1472B)

      1/*
      2 * Nios2 specific CPU ABI and functions for linux-user
      3 *
      4 * Copyright (c) 2016 Marek Vasut <marex@denx.de>
      5 *
      6 * This library is free software; you can redistribute it and/or
      7 * modify it under the terms of the GNU Lesser General Public
      8 * License as published by the Free Software Foundation; either
      9 * version 2.1 of the License, or (at your option) any later version.
     10 *
     11 * This library is distributed in the hope that it will be useful,
     12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
     13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     14 * Lesser General Public License for more details.
     15 *
     16 * You should have received a copy of the GNU Lesser General Public
     17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
     18 */
     19
     20#ifndef NIOS2_TARGET_CPU_H
     21#define NIOS2_TARGET_CPU_H
     22
     23static inline void cpu_clone_regs_child(CPUNios2State *env, target_ulong newsp,
     24                                        unsigned flags)
     25{
     26    if (newsp) {
     27        env->regs[R_SP] = newsp;
     28    }
     29    env->regs[R_RET0] = 0;
     30}
     31
     32static inline void cpu_clone_regs_parent(CPUNios2State *env, unsigned flags)
     33{
     34}
     35
     36static inline void cpu_set_tls(CPUNios2State *env, target_ulong newtls)
     37{
     38    /*
     39     * Linux kernel 3.10 does not pay any attention to CLONE_SETTLS
     40     * in copy_thread(), so QEMU need not do so either.
     41     */
     42}
     43
     44static inline abi_ulong get_sp_from_cpustate(CPUNios2State *state)
     45{
     46    return state->regs[R_SP];
     47}
     48#endif