xref: /openbmc/qemu/linux-user/s390x/target_cpu.h (revision e7bbc9b1)
1 /*
2  * S/390 specific CPU ABI and functions for linux-user
3  *
4  * Copyright (c) 2009 Ulrich Hecht
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program 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  * General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, see <http://www.gnu.org/licenses/>.
18  */
19 #ifndef S390X_TARGET_CPU_H
20 #define S390X_TARGET_CPU_H
21 
22 static inline void cpu_clone_regs(CPUS390XState *env, target_ulong newsp)
23 {
24     if (newsp) {
25         env->regs[15] = newsp;
26     }
27     env->regs[2] = 0;
28 }
29 
30 static inline void cpu_set_tls(CPUS390XState *env, target_ulong newtls)
31 {
32     env->aregs[0] = newtls >> 32;
33     env->aregs[1] = newtls & 0xffffffffULL;
34 }
35 
36 static inline abi_ulong get_sp_from_cpustate(CPUS390XState *state)
37 {
38    return state->regs[15];
39 }
40 #endif
41