LXR qemu/linux-user/s390x/target

   1/*
   2 * S/390 specific CPU ABI and functions for linux-user
   3 *
   4 * Copyright (c) 2009 Ulrich Hecht
   5 *
   6 * This program is free software; you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License as published by
   8 * the Free Software Foundation; either version 2 of the License, or
   9 * (at your option) any later version.
  10 *
  11 * This program 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 * General Public License for more details.
  15 *
  16 * You should have received a copy of the GNU General Public License
  17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
  18 */
  19#ifndef S390X_TARGET_CPU_H
  20#define S390X_TARGET_CPU_H
  21
  22static inline void cpu_clone_regs_child(CPUS390XState *env, target_ulong newsp,
  23                                        unsigned flags)
  24{
  25    if (newsp) {
  26        env->regs[15] = newsp;
  27    }
  28    env->regs[2] = 0;
  29}
  30
  31static inline void cpu_clone_regs_parent(CPUS390XState *env, unsigned flags)
  32{
  33}
  34
  35static inline void cpu_set_tls(CPUS390XState *env, target_ulong newtls)
  36{
  37    env->aregs[0] = newtls >> 32;
  38    env->aregs[1] = newtls & 0xffffffffULL;
  39}
  40
  41static inline abi_ulong get_sp_from_cpustate(CPUS390XState *state)
  42{
  43   return state->regs[15];
  44}
  45#endif
  46