xref: /openbmc/qemu/linux-user/arm/target_cpu.h (revision 4a09d0bb)
1 /*
2  * ARM specific CPU ABI and functions for linux-user
3  *
4  * Copyright (c) 2003 Fabrice Bellard
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 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 ARM_TARGET_CPU_H
20 #define ARM_TARGET_CPU_H
21 
22 static inline void cpu_clone_regs(CPUARMState *env, target_ulong newsp)
23 {
24     if (newsp) {
25         env->regs[13] = newsp;
26     }
27     env->regs[0] = 0;
28 }
29 
30 static inline void cpu_set_tls(CPUARMState *env, target_ulong newtls)
31 {
32     if (access_secure_reg(env)) {
33         env->cp15.tpidruro_s = newtls;
34     } else {
35         env->cp15.tpidrro_el[0] = newtls;
36     }
37 }
38 
39 static inline target_ulong cpu_get_tls(CPUARMState *env)
40 {
41     if (access_secure_reg(env)) {
42         return env->cp15.tpidruro_s;
43     } else {
44         return env->cp15.tpidrro_el[0];
45     }
46 }
47 
48 #endif
49