[Qemu-devel] [7245] qemu: use debug_requested global instead of cpu_exec return ( Marcelo Tosatti)

[Anthony Liguori <anthony@codemonkey.ws>]

Revision: 7245
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=7245
Author:   aliguori
Date:     2009-04-24 18:03:54 +0000 (Fri, 24 Apr 2009)
Log Message:
-----------
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>

Modified Paths:
--------------
    trunk/vl.c

Modified: trunk/vl.c
===================================================================
--- trunk/vl.c	2009-04-24 18:03:49 UTC (rev 7244)
+++ trunk/vl.c	2009-04-24 18:03:54 UTC (rev 7245)
@@ -3568,6 +3568,7 @@
 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 @@
     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 @@
         return 0;
     if (shutdown_requested)
         return 0;
+    if (debug_requested)
+        return 0;
     return 1;
 }
 
@@ -4045,6 +4055,7 @@
                 ret = qemu_cpu_exec(env);
                 if (ret == EXCP_DEBUG) {
                     gdb_set_stop_cpu(env);
+                    debug_requested = 1;
                     break;
                 }
             }
@@ -4055,11 +4066,11 @@
 #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);