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[Qemu-devel] [PATCH 1/4] clean up env->current_tb
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PATCH 1/4] clean up env->current_tb |
Date: |
Fri, 15 Jan 2010 09:42:07 +0100 |
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 <address@hidden>
---
cpu-exec.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/cpu-exec.c b/cpu-exec.c
index 6f6ed14..9128df9 100644
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -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
--
1.6.5.2