s390x: helper functions for system emulation
[qemu.git] / target-s390x / exec.h
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
32 static inline int cpu_has_work(CPUState *env)
33 {
34 return ((env->interrupt_request & CPU_INTERRUPT_HARD) &&
35 (env->psw.mask & PSW_MASK_EXT));
36 }
37
38 static inline void regs_to_env(void)
39 {
40 }
41
42 static inline void env_to_regs(void)
43 {
44 }
45
46 static inline void cpu_pc_from_tb(CPUState *env, TranslationBlock* tb)
47 {
48 env->psw.addr = tb->pc;
49 }
50