1 /*
2  * OpenRISC specific CPU ABI and functions for linux-user
3  *
4  * Copyright (c) 2011-2012 Jia Liu <proljc@gmail.com>
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 2.1 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 
20 #ifndef OPENRISC_TARGET_CPU_H
21 #define OPENRISC_TARGET_CPU_H
22 
23 static inline void cpu_clone_regs_child(CPUOpenRISCState *env,
24                                         target_ulong newsp,
25                                         unsigned flags)
26 {
27     if (newsp) {
28         cpu_set_gpr(env, 1, newsp);
29     }
30     cpu_set_gpr(env, 11, 0);
31 }
32 
33 static inline void cpu_clone_regs_parent(CPUOpenRISCState *env, unsigned flags)
34 {
35 }
36 
37 static inline void cpu_set_tls(CPUOpenRISCState *env, target_ulong newtls)
38 {
39     cpu_set_gpr(env, 10, newtls);
40 }
41 
42 static inline abi_ulong get_sp_from_cpustate(CPUOpenRISCState *state)
43 {
44     return cpu_get_gpr(state, 1);
45 }
46 #endif
47