-/* (c) 2008, Jack Lange <jarusl@cs.northwestern.edu> */
-/* (c) 2008, The V3VEE Project <http://www.v3vee.org> */
+/*
+ * 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 <devices/serial.h>
#include <palacios/vmm.h>
};
int queue_data(struct serial_buffer * buf, char data) {
- int next_loc = (buf->head + 1) % SERIAL_BUF_LEN;
+ uint_t next_loc = (buf->head + 1) % SERIAL_BUF_LEN;
if (next_loc == buf->tail) {
return -1;
}
int dequeue_data(struct serial_buffer * buf, char * data) {
- int next_tail = (buf->tail + 1) % SERIAL_BUF_LEN;
+ uint_t next_tail = (buf->tail + 1) % SERIAL_BUF_LEN;
if (buf->head == buf->tail) {
return -1;