blob: 837f8534759b5a1778679d78f97283ebac836678 [file] [log] [blame]
Alexander Graf10ec5112009-12-05 12:44:21 +01001/*
2 * S/390 execution defines
3 *
4 * Copyright (c) 2009 Ulrich Hecht
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
Blue Swirl70539e12010-03-07 15:48:43 +000017 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
Alexander Graf10ec5112009-12-05 12:44:21 +010018 */
19
20#include "dyngen-exec.h"
21
22register struct CPUS390XState *env asm(AREG0);
23
Alexander Graf10c339a2009-12-05 12:44:26 +010024#include "config.h"
Alexander Graf10ec5112009-12-05 12:44:21 +010025#include "cpu.h"
26#include "exec-all.h"
27
Alexander Graf10c339a2009-12-05 12:44:26 +010028#if !defined(CONFIG_USER_ONLY)
29#include "softmmu_exec.h"
30#endif /* !defined(CONFIG_USER_ONLY) */
31
Alexander Graf10ec5112009-12-05 12:44:21 +010032static inline int cpu_has_work(CPUState *env)
33{
34 return env->interrupt_request & CPU_INTERRUPT_HARD; // guess
35}
36
Alexander Graf10ec5112009-12-05 12:44:21 +010037static inline int cpu_halted(CPUState *env)
38{
39 if (!env->halted) {
40 return 0;
41 }
42 if (cpu_has_work(env)) {
43 env->halted = 0;
44 return 0;
45 }
46 return EXCP_HALTED;
47}