xref: /openbmc/qemu/linux-user/s390x/target_cpu.h (revision 9121d02c)
1 /*
2  * S/390 specific CPU ABI and functions for linux-user
3  *
4  * Copyright (c) 2009 Ulrich Hecht
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  * Contributions after 2012-10-29 are licensed under the terms of the
17  * GNU GPL, version 2 or (at your option) any later version.
18  *
19  * You should have received a copy of the GNU (Lesser) General Public
20  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
21  */
22 #ifndef TARGET_CPU_H
23 #define TARGET_CPU_H
24 
25 static inline void cpu_clone_regs(CPUS390XState *env, target_ulong newsp)
26 {
27     if (newsp) {
28         env->regs[15] = newsp;
29     }
30     env->regs[2] = 0;
31 }
32 
33 static inline void cpu_set_tls(CPUS390XState *env, target_ulong newtls)
34 {
35     env->aregs[0] = newtls >> 32;
36     env->aregs[1] = newtls & 0xffffffffULL;
37 }
38 
39 #endif
40