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target-m68k: Use cpu_exec_enter/exit qom hooks

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Signed-off-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 1410626734-3804-5-git-send-email-rth@twiddle.net
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2014-09-13 09:45:15 -07:00 committed by Peter Maydell
parent 374e0cd4db
commit 00f3fd63e1
4 changed files with 27 additions and 12 deletions
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13
cpu-exec.c
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@ -352,11 +352,7 @@ int cpu_exec(CPUArchState *env)
cpu->exit_request = 1;
}
#if defined(TARGET_M68K)
env->cc_op = CC_OP_FLAGS;
env->cc_dest = env->sr & 0xf;
env->cc_x = (env->sr >> 4) & 1;
#elif defined(TARGET_PPC)
#if defined(TARGET_PPC)
env->reserve_addr = -1;
#endif
cc->cpu_exec_enter(cpu);
@ -804,13 +800,6 @@ int cpu_exec(CPUArchState *env)
}
} /* for(;;) */
#if defined(TARGET_M68K)
cpu_m68k_flush_flags(env, env->cc_op);
env->cc_op = CC_OP_FLAGS;
env->sr = (env->sr & 0xffe0)
| env->cc_dest | (env->cc_x << 4);
#endif
cc->cpu_exec_exit(cpu);
/* fail safe : never use current_cpu outside cpu_exec() */

3
target-m68k/cpu-qom.h
View File

@ -77,4 +77,7 @@ hwaddr m68k_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr);
int m68k_cpu_gdb_read_register(CPUState *cpu, uint8_t *buf, int reg);
int m68k_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
void m68k_cpu_exec_enter(CPUState *cs);
void m68k_cpu_exec_exit(CPUState *cs);
#endif

3
target-m68k/cpu.c
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@ -205,6 +205,9 @@ static void m68k_cpu_class_init(ObjectClass *c, void *data)
#else
cc->get_phys_page_debug = m68k_cpu_get_phys_page_debug;
#endif
cc->cpu_exec_enter = m68k_cpu_exec_enter;
cc->cpu_exec_exit = m68k_cpu_exec_exit;
dc->vmsd = &vmstate_m68k_cpu;
cc->gdb_num_core_regs = 18;
cc->gdb_core_xml_file = "cf-core.xml";

20
target-m68k/helper.c
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@ -864,3 +864,23 @@ void HELPER(set_mac_extu)(CPUM68KState *env, uint32_t val, uint32_t acc)
res |= (uint64_t)(val & 0xffff0000) << 16;
env->macc[acc + 1] = res;
}
void m68k_cpu_exec_enter(CPUState *cs)
{
M68kCPU *cpu = M68K_CPU(cs);
CPUM68KState *env = &cpu->env;
env->cc_op = CC_OP_FLAGS;
env->cc_dest = env->sr & 0xf;
env->cc_x = (env->sr >> 4) & 1;
}
void m68k_cpu_exec_exit(CPUState *cs)
{
M68kCPU *cpu = M68K_CPU(cs);
CPUM68KState *env = &cpu->env;
cpu_m68k_flush_flags(env, env->cc_op);
env->cc_op = CC_OP_FLAGS;
env->sr = (env->sr & 0xffe0) | env->cc_dest | (env->cc_x << 4);
}