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6291ad77 PM |
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 | |
1c79145f | 9 | * version 2.1 of the License, or (at your option) any later version. |
6291ad77 PM |
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 | */ | |
55c5063c MA |
19 | #ifndef PPC_TARGET_CPU_H |
20 | #define PPC_TARGET_CPU_H | |
6291ad77 | 21 | |
608999d1 RH |
22 | static inline void cpu_clone_regs_child(CPUPPCState *env, target_ulong newsp, |
23 | unsigned flags) | |
6291ad77 PM |
24 | { |
25 | if (newsp) { | |
26 | env->gpr[1] = newsp; | |
27 | } | |
28 | env->gpr[3] = 0; | |
29 | } | |
30 | ||
07a6ecf4 RH |
31 | static inline void cpu_clone_regs_parent(CPUPPCState *env, unsigned flags) |
32 | { | |
33 | } | |
34 | ||
6291ad77 PM |
35 | static inline void cpu_set_tls(CPUPPCState *env, target_ulong newtls) |
36 | { | |
37 | #if defined(TARGET_PPC64) | |
38 | /* The kernel checks TIF_32BIT here; we don't support loading 32-bit | |
39 | binaries on PPC64 yet. */ | |
40 | env->gpr[13] = newtls; | |
41 | #else | |
42 | env->gpr[2] = newtls; | |
43 | #endif | |
44 | } | |
45 | ||
67d6d829 TM |
46 | #ifndef EF_PPC64_ABI |
47 | #define EF_PPC64_ABI 0x3 | |
48 | #endif | |
49 | ||
50 | static inline uint32_t get_ppc64_abi(struct image_info *infop) | |
51 | { | |
52 | return infop->elf_flags & EF_PPC64_ABI; | |
53 | } | |
54 | ||
9850f9f6 LV |
55 | static inline abi_ulong get_sp_from_cpustate(CPUPPCState *state) |
56 | { | |
57 | return state->gpr[1]; | |
58 | } | |
6291ad77 | 59 | #endif |