From: Stacey Son <s...@freebsd.org> Function to set and recieve thread-local-storage value from tpidr_el0 register
Signed-off-by: Stacey Son <s...@freebsd.org> Signed-off-by: Ajeet Singh <itac...@freebsd.org> --- bsd-user/aarch64/target_arch_cpu.c | 34 ++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 bsd-user/aarch64/target_arch_cpu.c diff --git a/bsd-user/aarch64/target_arch_cpu.c b/bsd-user/aarch64/target_arch_cpu.c new file mode 100644 index 0000000000..70ef651827 --- /dev/null +++ b/bsd-user/aarch64/target_arch_cpu.c @@ -0,0 +1,34 @@ +/* + * ARM AArch64 specific CPU for bsd-user + * + * Copyright (c) 2015 Stacey Son + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see <http://www.gnu.org/licenses/>. + */ +#include "qemu/osdep.h" + +#include "target_arch.h" + +/* See cpu_set_user_tls() in arm64/arm64/vm_machdep.c */ +void target_cpu_set_tls(CPUARMState *env, target_ulong newtls) +{ + + env->cp15.tpidr_el[0] = newtls; +} + +target_ulong target_cpu_get_tls(CPUARMState *env) +{ + + return env->cp15.tpidr_el[0]; +} -- 2.34.1