xref: /openbmc/qemu/linux-user/ppc/target_cpu.h (revision 14a650ec)
1 /*
2  * PowerPC specific CPU ABI and functions for linux-user
3  *
4  * Copyright (c) 2003-2007 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 TARGET_CPU_H
20 #define TARGET_CPU_H
21 
22 static inline void cpu_clone_regs(CPUPPCState *env, target_ulong newsp)
23 {
24     if (newsp) {
25         env->gpr[1] = newsp;
26     }
27     env->gpr[3] = 0;
28 }
29 
30 static inline void cpu_set_tls(CPUPPCState *env, target_ulong newtls)
31 {
32 #if defined(TARGET_PPC64)
33     /* The kernel checks TIF_32BIT here; we don't support loading 32-bit
34        binaries on PPC64 yet. */
35     env->gpr[13] = newtls;
36 #else
37     env->gpr[2] = newtls;
38 #endif
39 }
40 
41 #endif
42