tried to reduce compiler warnings, and cut down on debugging output

[palacios.git] / palacios / src / devices / serial.c

diff --git a/palacios/src/devices/serial.c b/palacios/src/devices/serial.c
index d41bc8d..4f99113 100644 (file)
--- a/palacios/src/devices/serial.c
+++ b/palacios/src/devices/serial.c
@@ -1,5 +1,21 @@
-/* Northwestern University */
-/* (c) 2008, Jack Lange <jarusl@cs.northwestern.edu> */
+/*
+ * 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>
@@ -146,7 +162,7 @@ struct serial_buffer {
 };
 
 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;
@@ -159,7 +175,7 @@ int queue_data(struct serial_buffer * buf, char data) {
 }
 
 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;