--- /dev/null
+/*
+ * This file is part of the Palacios Virtual Machine Monitor developed
+ * by the V3VEE Project with funding from the United States National
+ * Science Foundation and the Department of Energy.
+ *
+ * The V3VEE Project is a joint project between Northwestern University
+ * and the University of New Mexico. You can find out more at
+ * http://www.v3vee.org
+ *
+ * Copyright (c) 2008, Jack Lange <jarusl@cs.northwestern.edu>
+ * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org>
+ * All rights reserved.
+ *
+ * Author: Jack Lange <jarusl@cs.northwestern.edu>
+ *
+ * This is free software. You are permitted to use,
+ * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
+ */
+
+#include <palacios/vmm.h>
+#include <palacios/vmm_lock.h>
+#include <palacios/vmm_lowlevel.h>
+
+
+extern struct v3_os_hooks * os_hooks;
+
+
+int v3_lock_init(v3_lock_t * lock) {
+ *lock = (addr_t)(os_hooks->mutex_alloc());
+
+ if (!(*lock)) {
+ return -1;
+ }
+
+ return 0;
+}
+
+
+void v3_lock_deinit(v3_lock_t * lock) {
+ os_hooks->mutex_free((void *)*lock);
+ *lock = 0;
+}
+
+void v3_lock(v3_lock_t lock) {
+ os_hooks->mutex_lock((void *)lock, 0);
+}
+
+void v3_unlock(v3_lock_t lock) {
+ os_hooks->mutex_unlock((void *)lock);
+}
+
+addr_t v3_lock_irqsave(v3_lock_t lock) {
+ addr_t irq_state = v3_irq_save();
+ os_hooks->mutex_lock((void *)lock, 1);
+ return irq_state;
+}
+
+
+void v3_unlock_irqrestore(v3_lock_t lock, addr_t irq_state) {
+ os_hooks->mutex_unlock((void *)lock);
+ v3_irq_restore(irq_state);
+}