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925ccf32 RH |
1 | /* |
2 | * HPPA specific CPU ABI and functions for linux-user | |
3 | * | |
4 | * Copyright (c) 2016 Richard Henderson | |
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. |
925ccf32 RH |
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 | */ | |
9850f9f6 LV |
19 | #ifndef HPPA_TARGET_CPU_H |
20 | #define HPPA_TARGET_CPU_H | |
925ccf32 | 21 | |
608999d1 RH |
22 | static inline void cpu_clone_regs_child(CPUHPPAState *env, target_ulong newsp, |
23 | unsigned flags) | |
925ccf32 RH |
24 | { |
25 | if (newsp) { | |
26 | env->gr[30] = newsp; | |
27 | } | |
fc37dcfe | 28 | /* Indicate child in return value. */ |
925ccf32 | 29 | env->gr[28] = 0; |
fc37dcfe | 30 | /* Return from the syscall. */ |
3c13b0ff RH |
31 | env->iaoq_f = env->gr[31] | PRIV_USER; |
32 | env->iaoq_b = env->iaoq_f + 4; | |
925ccf32 RH |
33 | } |
34 | ||
07a6ecf4 RH |
35 | static inline void cpu_clone_regs_parent(CPUHPPAState *env, unsigned flags) |
36 | { | |
37 | } | |
38 | ||
925ccf32 RH |
39 | static inline void cpu_set_tls(CPUHPPAState *env, target_ulong newtls) |
40 | { | |
35136a77 | 41 | env->cr[27] = newtls; |
925ccf32 RH |
42 | } |
43 | ||
9850f9f6 LV |
44 | static inline abi_ulong get_sp_from_cpustate(CPUHPPAState *state) |
45 | { | |
46 | return state->gr[30]; | |
47 | } | |
925ccf32 | 48 | #endif |