xref: /illumos-kvm-cmd/target-ppc/exec.h (revision 68396ea9)
1 /*
2  *  PowerPC emulation definitions for qemu.
3  *
4  *  Copyright (c) 2003-2007 Jocelyn Mayer
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 #if !defined (__PPC_H__)
20 #define __PPC_H__
21 
22 #include "config.h"
23 
24 #include "dyngen-exec.h"
25 
26 #include "cpu.h"
27 #include "exec-all.h"
28 
29 register struct CPUPPCState *env asm(AREG0);
30 
31 #if !defined(CONFIG_USER_ONLY)
32 #include "softmmu_exec.h"
33 #endif /* !defined(CONFIG_USER_ONLY) */
34 
cpu_has_work(CPUState * env)35 static inline int cpu_has_work(CPUState *env)
36 {
37     return (msr_ee && (env->interrupt_request & CPU_INTERRUPT_HARD));
38 }
39 
40 
cpu_halted(CPUState * env)41 static inline int cpu_halted(CPUState *env)
42 {
43     if (!env->halted)
44         return 0;
45     if (cpu_has_work(env)) {
46         env->halted = 0;
47         return 0;
48     }
49     return EXCP_HALTED;
50 }
51 
cpu_pc_from_tb(CPUState * env,TranslationBlock * tb)52 static inline void cpu_pc_from_tb(CPUState *env, TranslationBlock *tb)
53 {
54     env->nip = tb->pc;
55 }
56 
57 #endif /* !defined (__PPC_H__) */
58