From e568902a02aa58dc53d4158aa2942ef3ff08a9ce Mon Sep 17 00:00:00 2001
From: aliguori <aliguori@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Fri, 24 Apr 2009 18:03:54 +0000
Subject: [PATCH] qemu: use debug_requested global instead of cpu_exec return
 (Marcelo Tosatti)

Necessary for the next refactoring patch.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7245 c046a42c-6fe2-441c-8c8c-71466251a162
---
 vl.c | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/vl.c b/vl.c
index 63aeb23be..eedecfea1 100644
--- a/vl.c
+++ b/vl.c
@@ -3568,6 +3568,7 @@ static QEMUResetEntry *first_reset_entry;
 static int reset_requested;
 static int shutdown_requested;
 static int powerdown_requested;
+static int debug_requested;
 
 int qemu_shutdown_requested(void)
 {
@@ -3590,6 +3591,13 @@ int qemu_powerdown_requested(void)
     return r;
 }
 
+static int qemu_debug_requested(void)
+{
+    int r = debug_requested;
+    debug_requested = 0;
+    return r;
+}
+
 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
 {
     QEMUResetEntry **pre, *re;
@@ -4019,6 +4027,8 @@ static int vm_can_run(void)
         return 0;
     if (shutdown_requested)
         return 0;
+    if (debug_requested)
+        return 0;
     return 1;
 }
 
@@ -4045,6 +4055,7 @@ static void main_loop(void)
                 ret = qemu_cpu_exec(env);
                 if (ret == EXCP_DEBUG) {
                     gdb_set_stop_cpu(env);
+                    debug_requested = 1;
                     break;
                 }
             }
@@ -4055,11 +4066,11 @@ static void main_loop(void)
 #ifdef CONFIG_PROFILER
             dev_time += profile_getclock() - ti;
 #endif
-        } while (ret != EXCP_DEBUG && vm_can_run());
+        } while (vm_can_run());
 
-        if (ret == EXCP_DEBUG)
+
+        if (qemu_debug_requested())
             vm_stop(EXCP_DEBUG);
-
         if (qemu_shutdown_requested()) {
             if (no_shutdown) {
                 vm_stop(0);