xref: /qemu/bsd-user/arm/target_arch_cpu.c (revision ae2b5d8381a73b27f35f19c988d45c78bb4d5768)

/*
 *  arm cpu related code
 *
 *  Copyright (c) 2013 Stacey D. Son
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, see <http://www.gnu.org/licenses/>.
 */

#include "qemu/osdep.h"
#include "target_arch.h"

void target_cpu_set_tls(CPUARMState *env, target_ulong newtls)
{
    if (access_secure_reg(env)) {
        env->cp15.tpidrurw_s = newtls;
        env->cp15.tpidruro_s = newtls;
        return;
    }

    env->cp15.tpidr_el[0] = newtls;
    env->cp15.tpidrro_el[0] = newtls;
}

target_ulong target_cpu_get_tls(CPUARMState *env)
{
    if (access_secure_reg(env)) {
        return env->cp15.tpidruro_s;
    }
    return env->cp15.tpidrro_el[0];
}