aboutsummaryrefslogtreecommitdiff
path: root/target-ppc/exec.h
blob: 09f592c2a39a225f3187c9b40e4e9b3868fa76bf (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
/*
 *  PowerPC emulation definitions for qemu.
 *
 *  Copyright (c) 2003-2007 Jocelyn Mayer
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
 */
#if !defined (__PPC_H__)
#define __PPC_H__

#include "config.h"

#include "dyngen-exec.h"

#include "cpu.h"
#include "exec-all.h"

/* Precise emulation is needed to correctly emulate exception flags */
#define USE_PRECISE_EMULATION 1

register struct CPUPPCState *env asm(AREG0);

#if !defined(CONFIG_USER_ONLY)
#include "softmmu_exec.h"
#endif /* !defined(CONFIG_USER_ONLY) */

static inline int cpu_has_work(CPUState *env)
{
    return (msr_ee && (env->interrupt_request & CPU_INTERRUPT_HARD));
}


static inline int cpu_halted(CPUState *env)
{
    if (!env->halted)
        return 0;
    if (cpu_has_work(env)) {
        env->halted = 0;
        return 0;
    }
    return EXCP_HALTED;
}

#endif /* !defined (__PPC_H__) */