clean up env->current_tb

There are three paths from the innermost while loop of cpu_exec
to the top of the outermost for loop.  Two do not reset
env->current_tb.  Fix this.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Paolo Bonzini 2010-01-15 09:42:07 +01:00 committed by Anthony Liguori
parent 040f2fb249
commit 1c3569fe4e

View File

@ -56,6 +56,7 @@ int qemu_cpu_has_work(CPUState *env)
void cpu_loop_exit(void)
{
env->current_tb = NULL;
longjmp(env->jmp_env, 1);
}
@ -107,6 +108,7 @@ static void cpu_exec_nocache(int max_cycles, TranslationBlock *orig_tb)
env->current_tb = tb;
/* execute the generated code */
next_tb = tcg_qemu_tb_exec(tb->tc_ptr);
env->current_tb = NULL;
if ((next_tb & 3) == 2) {
/* Restore PC. This may happen if async event occurs before