2 * This file is part of the Palacios Virtual Machine Monitor developed
3 * by the V3VEE Project with funding from the United States National
4 * Science Foundation and the Department of Energy.
6 * The V3VEE Project is a joint project between Northwestern University
7 * and the University of New Mexico. You can find out more at
10 * Copyright (c) 2008, Jack Lange <jarusl@cs.northwestern.edu>
11 * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org>
12 * All rights reserved.
14 * Author: Jack Lange <jarusl@cs.northwestern.edu>
16 * This is free software. You are permitted to use,
17 * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
20 #include <palacios/vmm.h>
21 #include <palacios/vmm_lock.h>
22 #include <palacios/vmm_lowlevel.h>
25 extern struct v3_os_hooks * os_hooks;
28 int v3_lock_init(v3_lock_t * lock) {
29 *lock = (addr_t)(os_hooks->mutex_alloc());
39 void v3_lock_deinit(v3_lock_t * lock) {
40 os_hooks->mutex_free((void *)*lock);
44 void v3_lock(v3_lock_t lock) {
45 os_hooks->mutex_lock((void *)lock, 0);
48 void v3_unlock(v3_lock_t lock) {
49 os_hooks->mutex_unlock((void *)lock);
52 addr_t v3_lock_irqsave(v3_lock_t lock) {
53 addr_t irq_state = v3_irq_save();
54 os_hooks->mutex_lock((void *)lock, 1);
59 void v3_unlock_irqrestore(v3_lock_t lock, addr_t irq_state) {
60 os_hooks->mutex_unlock((void *)lock);
61 v3_irq_restore(irq_state);