xref: /openbmc/qemu/linux-user/hppa/target_cpu.h (revision fe29141b)
1 /*
2  * HPPA specific CPU ABI and functions for linux-user
3  *
4  *  Copyright (c) 2016  Richard Henderson
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 ALPHA_TARGET_CPU_H
20 #define ALPHA_TARGET_CPU_H
21 
22 static inline void cpu_clone_regs(CPUHPPAState *env, target_ulong newsp)
23 {
24     if (newsp) {
25         env->gr[30] = newsp;
26     }
27     /* Indicate child in return value.  */
28     env->gr[28] = 0;
29     /* Return from the syscall.  */
30     env->iaoq_f = env->gr[31];
31     env->iaoq_b = env->gr[31] + 4;
32 }
33 
34 static inline void cpu_set_tls(CPUHPPAState *env, target_ulong newtls)
35 {
36     env->cr[27] = newtls;
37 }
38 
39 #endif
40