xref: /openbmc/qemu/linux-user/mips/target_cpu.h (revision 47451466)
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(CPUMIPSState *env, target_ulong newsp)
23 {
24     if (newsp) {
25         env->active_tc.gpr[29] = newsp;
26     }
27     env->active_tc.gpr[7] = 0;
28     env->active_tc.gpr[2] = 0;
29 }
30 
31 static inline void cpu_set_tls(CPUMIPSState *env, target_ulong newtls)
32 {
33     env->active_tc.CP0_UserLocal = newtls;
34 }
35 
36 static inline abi_ulong get_sp_from_cpustate(CPUMIPSState *state)
37 {
38     return state->active_tc.gpr[29];
39 }
40 #endif
41