From 6a00d60127dc0e1d4efadafe1feb88f05030fe52 Mon Sep 17 00:00:00 2001
From: bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Mon, 21 Nov 2005 23:25:50 +0000
Subject: SMP support

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1640 c046a42c-6fe2-441c-8c8c-71466251a162
---
 cpu-exec.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'cpu-exec.c')

diff --git a/cpu-exec.c b/cpu-exec.c
index 9f6487adf..72e32684a 100644
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -251,6 +251,8 @@ int cpu_exec(CPUState *env1)
     TranslationBlock *tb;
     uint8_t *tc_ptr;
 
+    cpu_single_env = env1; 
+
     /* first we save global registers */
     saved_env = env;
     env = env1;
@@ -755,6 +757,8 @@ int cpu_exec(CPUState *env1)
     T2 = saved_T2;
 #endif
     env = saved_env;
+    /* fail safe : never use cpu_single_env outside cpu_exec() */
+    cpu_single_env = NULL; 
     return ret;
 }
 
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