target-ppc: enable PRECISE_EMULATION by default
[qemu/qemu-JZ.git] / target-ppc / exec.h
blob3f85b206e95ec0bbb07513f015e4a7526b878dea
1 /*
2 * PowerPC emulation definitions for qemu.
4 * Copyright (c) 2003-2007 Jocelyn Mayer
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.
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.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 #if !defined (__PPC_H__)
21 #define __PPC_H__
23 #include "config.h"
25 #include "dyngen-exec.h"
27 #include "cpu.h"
28 #include "exec-all.h"
30 /* For normal operations, precise emulation should not be needed */
31 //#define USE_PRECISE_EMULATION 1
32 #define USE_PRECISE_EMULATION 1
34 register struct CPUPPCState *env asm(AREG0);
35 #define TDX "%016" PRIx64
37 #if !defined(CONFIG_USER_ONLY)
38 #include "softmmu_exec.h"
39 #endif /* !defined(CONFIG_USER_ONLY) */
41 static always_inline void env_to_regs (void)
45 static always_inline void regs_to_env (void)
49 static always_inline int cpu_halted (CPUState *env)
51 if (!env->halted)
52 return 0;
53 if (msr_ee && (env->interrupt_request & CPU_INTERRUPT_HARD)) {
54 env->halted = 0;
55 return 0;
57 return EXCP_HALTED;
60 #endif /* !defined (__PPC_H__) */