xref: /illumos-kvm-cmd/target-s390x/exec.h (revision 68396ea9)
1 /*
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
17  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
18  */
19 
20 #include "dyngen-exec.h"
21 
22 register struct CPUS390XState *env asm(AREG0);
23 
24 #include "config.h"
25 #include "cpu.h"
26 #include "exec-all.h"
27 
28 #if !defined(CONFIG_USER_ONLY)
29 #include "softmmu_exec.h"
30 #endif /* !defined(CONFIG_USER_ONLY) */
31 
cpu_has_work(CPUState * env)32 static inline int cpu_has_work(CPUState *env)
33 {
34     return env->interrupt_request & CPU_INTERRUPT_HARD; // guess
35 }
36 
cpu_halted(CPUState * env)37 static 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 }
48 
cpu_pc_from_tb(CPUState * env,TranslationBlock * tb)49 static inline void cpu_pc_from_tb(CPUState *env, TranslationBlock* tb)
50 {
51     env->psw.addr = tb->pc;
52 }
53 
54