added new copyright and license

[palacios.git] / palacios / src / devices / 8254.c

diff --git a/palacios/src/devices/8254.c b/palacios/src/devices/8254.c
index 7c0de12..7757691 100644 (file)
--- a/palacios/src/devices/8254.c
+++ b/palacios/src/devices/8254.c
@@ -1,3 +1,22 @@
+/*
+ * 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/8254.h>
 #include <palacios/vmm.h>
 #include <palacios/vmm_time.h>
@@ -6,7 +25,10 @@
 
 
 
-
+#ifndef DEBUG_PIT
+#undef PrintDebug
+#define PrintDebug(fmt, args...)
+#endif
 
 
 
@@ -402,7 +424,7 @@ static int pit_read_channel(ushort_t port, void * dst, uint_t length, struct vm_
   char * val = (char *)dst;
 
   if (length != 1) {
-    PrintDebug("8254 PIT: Invalid Read Write length \n");
+    PrintError("8254 PIT: Invalid Read Write length \n");
     return -1;
   }
 
@@ -425,7 +447,7 @@ static int pit_read_channel(ushort_t port, void * dst, uint_t length, struct vm_
     }
     break;
   default:
-    PrintDebug("8254 PIT: Read from invalid port (%d)\n", port);
+    PrintError("8254 PIT: Read from invalid port (%d)\n", port);
     return -1;
   }
 
@@ -439,7 +461,7 @@ static int pit_write_channel(ushort_t port, void * src, uint_t length, struct vm
   char val = *(char *)src;
 
   if (length != 1) {
-    PrintDebug("8254 PIT: Invalid Write Length\n");
+    PrintError("8254 PIT: Invalid Write Length\n");
     return -1;
   }
 
@@ -463,7 +485,7 @@ static int pit_write_channel(ushort_t port, void * src, uint_t length, struct vm
     }
     break;
   default:
-    PrintDebug("8254 PIT: Write to invalid port (%d)\n", port);
+    PrintError("8254 PIT: Write to invalid port (%d)\n", port);
     return -1;
   }
 
@@ -480,7 +502,7 @@ static int pit_write_command(ushort_t port, void * src, uint_t length, struct vm
   PrintDebug("8254 PIT: Write to PIT Command port\n");
   PrintDebug("8254 PIT: Writing to channel %d (access_mode = %d, op_mode = %d)\n", cmd->channel, cmd->access_mode, cmd->op_mode);
   if (length != 1) {
-    PrintDebug("8254 PIT: Write of Invalid length to command port\n");
+    PrintError("8254 PIT: Write of Invalid length to command port\n");
     return -1;
   }
 
@@ -549,10 +571,11 @@ static int pit_init(struct vm_device * dev) {
   dev_hook_io(dev, CHANNEL2_PORT, &pit_read_channel, &pit_write_channel);
   dev_hook_io(dev, COMMAND_PORT, NULL, &pit_write_command);
 
+#ifdef DEBUG_PIT
   PrintDebug("8254 PIT: OSC_HZ=%d, reload_val=", OSC_HZ);
   PrintTraceLL(reload_val);
   PrintDebug("\n");
-
+#endif
 
   v3_add_timer(dev->vm, &timer_ops, dev);
 
@@ -568,9 +591,11 @@ static int pit_init(struct vm_device * dev) {
   init_channel(&(state->ch_1));
   init_channel(&(state->ch_2));
 
+#ifdef DEBUG_PIT
   PrintDebug("8254 PIT: CPU MHZ=%d -- pit count=", cpu_khz / 1000);
   PrintTraceLL(state->pit_counter);
   PrintDebug("\n");
+#endif
 
   return 0;
 }