LXR qemu/linux-user/m68k/target

   1/*
   2 * m68k specific CPU ABI and functions for linux-user
   3 *
   4 * Copyright (c) 2005-2007 CodeSourcery
   5 * Written by Paul Brook
   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#ifndef M68K_TARGET_CPU_H
  22#define M68K_TARGET_CPU_H
  23
  24static inline void cpu_clone_regs_child(CPUM68KState *env, target_ulong newsp,
  25                                        unsigned flags)
  26{
  27    if (newsp) {
  28        env->aregs[7] = newsp;
  29    }
  30    env->dregs[0] = 0;
  31}
  32
  33static inline void cpu_clone_regs_parent(CPUM68KState *env, unsigned flags)
  34{
  35}
  36
  37static inline void cpu_set_tls(CPUM68KState *env, target_ulong newtls)
  38{
  39    CPUState *cs = env_cpu(env);
  40    TaskState *ts = cs->opaque;
  41
  42    ts->tp_value = newtls;
  43}
  44
  45static inline abi_ulong get_sp_from_cpustate(CPUM68KState *state)
  46{
  47    return state->aregs[7];
  48}
  49#endif
  50