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qom: Add cpu_exec_enter and cpu_exec_exit hooks

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In preparation for removing a bunch of ifdefs from cpu_exec.

Cc: Andreas Färber <afaerber@suse.de>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 1410626734-3804-2-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 09:45:12 -07:00 • committed by Peter Maydell
parent 1ba50f4ea0
commit cffe7b3249
3 changed files with 11 additions and 9 deletions
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9
cpu-exec.c
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@ -317,10 +317,7 @@ volatile sig_atomic_t exit_request;
int cpu_exec(CPUArchState *env)
{
CPUState *cpu = ENV_GET_CPU(env);
#if !(defined(CONFIG_USER_ONLY) && \
(defined(TARGET_M68K) || defined(TARGET_PPC) || defined(TARGET_S390X)))
CPUClass *cc = CPU_GET_CLASS(cpu);
#endif
#ifdef TARGET_I386
X86CPU *x86_cpu = X86_CPU(cpu);
#endif
@ -382,9 +379,8 @@ int cpu_exec(CPUArchState *env)
#elif defined(TARGET_XTENSA)
#elif defined(TARGET_TRICORE)
/* XXXXX */
#else
#error unsupported target CPU
#endif
cc->cpu_exec_enter(cpu);
cpu->exception_index = -1;
/* Calculate difference between guest clock and host clock.
@ -856,9 +852,8 @@ int cpu_exec(CPUArchState *env)
#elif defined(TARGET_S390X)
#elif defined(TARGET_XTENSA)
/* XXXXX */
#else
#error unsupported target CPU
#endif
cc->cpu_exec_exit(cpu);
/* fail safe : never use current_cpu outside cpu_exec() */
current_cpu = NULL;