linux-user/m68k/target_cpu.h

   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 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  * 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
  24 static inline void cpu_clone_regs(CPUM68KState *env, target_ulong newsp)
  25 {
  26     if (newsp) {
  27         env->aregs[7] = newsp;
  28     }
  29     env->dregs[0] = 0;
  30 }
  31
  32 static inline void cpu_set_tls(CPUM68KState *env, target_ulong newtls)
  33 {
  34     CPUState *cs = CPU(m68k_env_get_cpu(env));
  35     TaskState *ts = cs->opaque;
  36
  37     ts->tp_value = newtls;
  38 }
  39
  40 static inline abi_ulong get_sp_from_cpustate(CPUM68KState *state)
  41 {
  42     return state->aregs[7];
  43 }
  44 #endif