linux-user: Add support for btrfs ioctls used to manage quota
[qemu.git] / linux-user / s390x / target_cpu.h
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_child(CPUS390XState *env, target_ulong newsp,
23 unsigned flags)
24 {
25 if (newsp) {
26 env->regs[15] = newsp;
27 }
28 env->regs[2] = 0;
29 }
30
31 static inline void cpu_clone_regs_parent(CPUS390XState *env, unsigned flags)
32 {
33 }
34
35 static inline void cpu_set_tls(CPUS390XState *env, target_ulong newtls)
36 {
37 env->aregs[0] = newtls >> 32;
38 env->aregs[1] = newtls & 0xffffffffULL;
39 }
40
41 static inline abi_ulong get_sp_from_cpustate(CPUS390XState *state)
42 {
43 return state->regs[15];
44 }
45 #endif