xref: /openbmc/qemu/linux-user/sh4/target_cpu.h (revision 49d755d0)
1 /*
2  * SH4 specific CPU ABI and functions for linux-user
3  *
4  * Copyright (c) 2005 Samuel Tardieu
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 #ifndef SH4_TARGET_CPU_H
20 #define SH4_TARGET_CPU_H
21 
22 static inline void cpu_clone_regs(CPUSH4State *env, target_ulong newsp)
23 {
24     if (newsp) {
25         env->gregs[15] = newsp;
26     }
27     env->gregs[0] = 0;
28 }
29 
30 static inline void cpu_set_tls(CPUSH4State *env, target_ulong newtls)
31 {
32   env->gbr = newtls;
33 }
34 
35 static inline abi_ulong get_sp_from_cpustate(CPUSH4State *state)
36 {
37     return state->gregs[15];
38 }
39 #endif
40