linux-user/sh4/target_cpu.h

   1 /*
   2  * SH4 specific CPU ABI and functions for linux-user
   3  *
   4  * Copyright (c) 2005 Samuel Tardieu
   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 #ifndef SH4_TARGET_CPU_H
  20 #define SH4_TARGET_CPU_H
  21
  22 static inline void cpu_clone_regs(CPUSH4State *env, target_ulong newsp)
  23 {
  24     if (newsp) {
  25         env->gregs[15] = newsp;
  26     }
  27     env->gregs[0] = 0;
  28 }
  29
  30 static inline void cpu_set_tls(CPUSH4State *env, target_ulong newtls)
  31 {
  32   env->gbr = newtls;
  33 }
  34
  35 static inline abi_ulong get_sp_from_cpustate(CPUSH4State *state)
  36 {
  37     return state->gregs[15];
  38 }
  39 #endif