Move watchdog, watchdog_action, give them internal linkage

Signed-off-by: NMarkus Armbruster <armbru@redhat.com>
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>

hw/watchdog.c

@@ -24,6 +24,16 @@
 #include "sysemu.h"
 #include "hw/watchdog.h"
 
+/* Possible values for action parameter. */
+#define WDT_RESET        1	/* Hard reset. */
+#define WDT_SHUTDOWN     2	/* Shutdown. */
+#define WDT_POWEROFF     3	/* Quit. */
+#define WDT_PAUSE        4	/* Pause. */
+#define WDT_DEBUG        5	/* Prints a message and continues running. */
+#define WDT_NONE         6	/* Do nothing. */
+
+static WatchdogTimerModel *watchdog;
+static int watchdog_action = WDT_RESET;
 static LIST_HEAD(watchdog_list, WatchdogTimerModel) watchdog_list;
 
 void watchdog_add_model(WatchdogTimerModel *model)

hw/watchdog.h

@@ -25,13 +25,6 @@
 extern void wdt_i6300esb_init(void);
 extern void wdt_ib700_init(void);
 
-/* Possible values for action parameter. */
-#define WDT_RESET        1	/* Hard reset. */
-#define WDT_SHUTDOWN     2	/* Shutdown. */
-#define WDT_POWEROFF     3	/* Quit. */
-#define WDT_PAUSE        4	/* Pause. */
-#define WDT_DEBUG        5	/* Prints a message and continues running. */
-#define WDT_NONE         6	/* Do nothing. */
 
 struct WatchdogTimerModel {
     LIST_ENTRY(WatchdogTimerModel) entry;
@@ -48,10 +41,6 @@ struct WatchdogTimerModel {
 };
 typedef struct WatchdogTimerModel WatchdogTimerModel;
 
-/* in vl.c */
-extern WatchdogTimerModel *watchdog;
-extern int watchdog_action;
-
 /* in hw/watchdog.c */
 extern int select_watchdog(const char *p);
 extern int select_watchdog_action(const char *action);

vl.c

@@ -233,8 +233,6 @@ uint8_t irq0override = 1;
 #ifndef _WIN32
 int daemonize = 0;
 #endif
-WatchdogTimerModel *watchdog = NULL;
-int watchdog_action = WDT_RESET;
 const char *option_rom[MAX_OPTION_ROMS];
 int nb_option_roms;
 int semihosting_enabled = 0;