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 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 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 * Contributions after 2012-10-29 are licensed under the terms of the
  17 * GNU GPL, version 2 or (at your option) any later version.
  18 *
  19 * You should have received a copy of the GNU (Lesser) General Public
  20 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  21 */
  22#ifndef S390X_TARGET_CPU_H
  23#define S390X_TARGET_CPU_H
  24
  25static inline void cpu_clone_regs(CPUS390XState *env, target_ulong newsp)
  26{
  27    if (newsp) {
  28        env->regs[15] = newsp;
  29    }
  30    env->regs[2] = 0;
  31}
  32
  33static inline void cpu_set_tls(CPUS390XState *env, target_ulong newtls)
  34{
  35    env->aregs[0] = newtls >> 32;
  36    env->aregs[1] = newtls & 0xffffffffULL;
  37}
  38
  39static inline abi_ulong get_sp_from_cpustate(CPUS390XState *state)
  40{
  41   return state->regs[15];
  42}
  43#endif
  44