linux-user: Add support for a group of btrfs ioctls used for snapshots
[qemu.git] / linux-user / mips / target_cpu.h
1 /*
2 * MIPS specific CPU ABI and functions for linux-user
3 *
4 * Copyright (c) 2004-2005 Jocelyn Mayer
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 MIPS_TARGET_CPU_H
20 #define MIPS_TARGET_CPU_H
21
22 static inline void cpu_clone_regs_child(CPUMIPSState *env, target_ulong newsp,
23 unsigned flags)
24 {
25 if (newsp) {
26 env->active_tc.gpr[29] = newsp;
27 }
28 env->active_tc.gpr[7] = 0;
29 env->active_tc.gpr[2] = 0;
30 }
31
32 static inline void cpu_clone_regs_parent(CPUMIPSState *env, unsigned flags)
33 {
34 }
35
36 static inline void cpu_set_tls(CPUMIPSState *env, target_ulong newtls)
37 {
38 env->active_tc.CP0_UserLocal = newtls;
39 }
40
41 static inline abi_ulong get_sp_from_cpustate(CPUMIPSState *state)
42 {
43 return state->active_tc.gpr[29];
44 }
45 #endif