bsd-user/arm/target_arch_cpu.c

   1 /*
   2  *  arm cpu related code
   3  *
   4  *  Copyright (c) 2013 Stacey D. Son
   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
  14  *  GNU 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
  20 #include "qemu/osdep.h"
  21 #include "target_arch.h"
  22
  23 void target_cpu_set_tls(CPUARMState *env, target_ulong newtls)
  24 {
  25     if (access_secure_reg(env)) {
  26         env->cp15.tpidrurw_s = newtls;
  27         env->cp15.tpidruro_s = newtls;
  28         return;
  29     }
  30
  31     env->cp15.tpidr_el[0] = newtls;
  32     env->cp15.tpidrro_el[0] = newtls;
  33 }
  34
  35 target_ulong target_cpu_get_tls(CPUARMState *env)
  36 {
  37     if (access_secure_reg(env)) {
  38         return env->cp15.tpidruro_s;
  39     }
  40     return env->cp15.tpidrro_el[0];
  41 }