xref: /openbmc/qemu/linux-user/sparc/target_cpu.h (revision 4a09d0bb)
1 /*
2  * SPARC specific CPU ABI and functions for linux-user
3  *
4  * Copyright (C) 2003 Thomas M. Ogrisegg <tom@fnord.at>
5  * Copyright (C) 2003-2005 Fabrice Bellard
6  *
7  * This library is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2 of the License, or (at your option) any later version.
11  *
12  * This library is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
19  */
20 #ifndef SPARC_TARGET_CPU_H
21 #define SPARC_TARGET_CPU_H
22 
23 static inline void cpu_clone_regs(CPUSPARCState *env, target_ulong newsp)
24 {
25     if (newsp) {
26         env->regwptr[22] = newsp;
27     }
28     /* syscall return for clone child: 0, and clear CF since
29      * this counts as a success return value.
30      */
31     env->regwptr[0] = 0;
32 #if defined(TARGET_SPARC64) && !defined(TARGET_ABI32)
33     env->xcc &= ~PSR_CARRY;
34 #else
35     env->psr &= ~PSR_CARRY;
36 #endif
37 }
38 
39 static inline void cpu_set_tls(CPUSPARCState *env, target_ulong newtls)
40 {
41     env->gregs[7] = newtls;
42 }
43 
44 #endif
45