1925ccf32SRichard Henderson /*
2925ccf32SRichard Henderson * HPPA specific CPU ABI and functions for linux-user
3925ccf32SRichard Henderson *
4925ccf32SRichard Henderson * Copyright (c) 2016 Richard Henderson
5925ccf32SRichard Henderson *
6925ccf32SRichard Henderson * This library is free software; you can redistribute it and/or
7925ccf32SRichard Henderson * modify it under the terms of the GNU Lesser General Public
8925ccf32SRichard Henderson * License as published by the Free Software Foundation; either
91c79145fSChetan Pant * version 2.1 of the License, or (at your option) any later version.
10925ccf32SRichard Henderson *
11925ccf32SRichard Henderson * This library is distributed in the hope that it will be useful,
12925ccf32SRichard Henderson * but WITHOUT ANY WARRANTY; without even the implied warranty of
13925ccf32SRichard Henderson * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14925ccf32SRichard Henderson * Lesser General Public License for more details.
15925ccf32SRichard Henderson *
16925ccf32SRichard Henderson * You should have received a copy of the GNU Lesser General Public
17925ccf32SRichard Henderson * License along with this library; if not, see <http://www.gnu.org/licenses/>.
18925ccf32SRichard Henderson */
199850f9f6SLaurent Vivier #ifndef HPPA_TARGET_CPU_H
209850f9f6SLaurent Vivier #define HPPA_TARGET_CPU_H
21925ccf32SRichard Henderson
cpu_clone_regs_child(CPUHPPAState * env,target_ulong newsp,unsigned flags)22608999d1SRichard Henderson static inline void cpu_clone_regs_child(CPUHPPAState *env, target_ulong newsp,
23608999d1SRichard Henderson unsigned flags)
24925ccf32SRichard Henderson {
25925ccf32SRichard Henderson if (newsp) {
26925ccf32SRichard Henderson env->gr[30] = newsp;
27925ccf32SRichard Henderson }
28fc37dcfeSRichard Henderson /* Indicate child in return value. */
29925ccf32SRichard Henderson env->gr[28] = 0;
30fc37dcfeSRichard Henderson /* Return from the syscall. */
31*3c13b0ffSRichard Henderson env->iaoq_f = env->gr[31] | PRIV_USER;
32*3c13b0ffSRichard Henderson env->iaoq_b = env->iaoq_f + 4;
33925ccf32SRichard Henderson }
34925ccf32SRichard Henderson
cpu_clone_regs_parent(CPUHPPAState * env,unsigned flags)3507a6ecf4SRichard Henderson static inline void cpu_clone_regs_parent(CPUHPPAState *env, unsigned flags)
3607a6ecf4SRichard Henderson {
3707a6ecf4SRichard Henderson }
3807a6ecf4SRichard Henderson
cpu_set_tls(CPUHPPAState * env,target_ulong newtls)39925ccf32SRichard Henderson static inline void cpu_set_tls(CPUHPPAState *env, target_ulong newtls)
40925ccf32SRichard Henderson {
4135136a77SRichard Henderson env->cr[27] = newtls;
42925ccf32SRichard Henderson }
43925ccf32SRichard Henderson
get_sp_from_cpustate(CPUHPPAState * state)449850f9f6SLaurent Vivier static inline abi_ulong get_sp_from_cpustate(CPUHPPAState *state)
459850f9f6SLaurent Vivier {
469850f9f6SLaurent Vivier return state->gr[30];
479850f9f6SLaurent Vivier }
48925ccf32SRichard Henderson #endif
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