LXR qemu/linux-user/openrisc/target

   1/*
   2 * OpenRISC specific CPU ABI and functions for linux-user
   3 *
   4 * Copyright (c) 2011-2012 Jia Liu <proljc@gmail.com>
   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 OPENRISC_TARGET_CPU_H
  21#define OPENRISC_TARGET_CPU_H
  22
  23static inline void cpu_clone_regs_child(CPUOpenRISCState *env,
  24                                        target_ulong newsp,
  25                                        unsigned flags)
  26{
  27    if (newsp) {
  28        cpu_set_gpr(env, 1, newsp);
  29    }
  30    cpu_set_gpr(env, 11, 0);
  31}
  32
  33static inline void cpu_clone_regs_parent(CPUOpenRISCState *env, unsigned flags)
  34{
  35}
  36
  37static inline void cpu_set_tls(CPUOpenRISCState *env, target_ulong newtls)
  38{
  39    cpu_set_gpr(env, 10, newtls);
  40}
  41
  42static inline abi_ulong get_sp_from_cpustate(CPUOpenRISCState *state)
  43{
  44    return cpu_get_gpr(state, 1);
  45}
  46#endif
  47