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cpu: Move current_tb field to CPUState

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Explictly NULL it on CPU reset since it was located before breakpoints.

Change vapic_report_tpr_access() argument to CPUState. This also
resolves the use of void* for cpu.h independence.
Change vAPIC patch_instruction() argument to X86CPU.

Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Andreas Färber 2013-01-16 19:29:31 +01:00
parent fcd7d0034b
commit d77953b94f
10 changed files with 48 additions and 26 deletions
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13
cpu-exec.c
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@ -32,7 +32,9 @@ bool qemu_cpu_has_work(CPUState *cpu)
void cpu_loop_exit(CPUArchState *env)
{
env->current_tb = NULL;
CPUState *cpu = ENV_GET_CPU(env);
cpu->current_tb = NULL;
longjmp(env->jmp_env, 1);
}
@ -54,6 +56,7 @@ void cpu_resume_from_signal(CPUArchState *env, void *puc)
static void cpu_exec_nocache(CPUArchState *env, int max_cycles,
TranslationBlock *orig_tb)
{
CPUState *cpu = ENV_GET_CPU(env);
tcg_target_ulong next_tb;
TranslationBlock *tb;
@ -64,10 +67,10 @@ static void cpu_exec_nocache(CPUArchState *env, int max_cycles,
tb = tb_gen_code(env, orig_tb->pc, orig_tb->cs_base, orig_tb->flags,
max_cycles);
env->current_tb = tb;
cpu->current_tb = tb;
/* execute the generated code */
next_tb = tcg_qemu_tb_exec(env, tb->tc_ptr);
env->current_tb = NULL;
cpu->current_tb = NULL;
if ((next_tb & 3) == 2) {
/* Restore PC. This may happen if async event occurs before
@ -589,7 +592,7 @@ int cpu_exec(CPUArchState *env)
TB, but before it is linked into a potentially
infinite loop and becomes env->current_tb. Avoid
starting execution if there is a pending interrupt. */
env->current_tb = tb;
cpu->current_tb = tb;
barrier();
if (likely(!cpu->exit_request)) {
tc_ptr = tb->tc_ptr;
@ -623,7 +626,7 @@ int cpu_exec(CPUArchState *env)
}
}
}
env->current_tb = NULL;
cpu->current_tb = NULL;
/* reset soft MMU for next block (it can currently
only be set by a memory fault) */
} /* for(;;) */