fixed toc_length initialization bug

[palacios-OLD.git] / palacios / src / devices / cdrom.c

diff --git a/palacios/src/devices/cdrom.c b/palacios/src/devices/cdrom.c
index e77c280..40ed98c 100644 (file)
--- a/palacios/src/devices/cdrom.c
+++ b/palacios/src/devices/cdrom.c
@@ -18,6 +18,8 @@
  * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
  */
 
+
+
 #include <devices/cdrom.h>
 #include <devices/ide.h>
 #include <palacios/vmm.h>
@@ -31,7 +33,7 @@
 
 struct cdrom_state {
   uchar_t * image_addr; //memory address
-  ulong_t capacity_B;
+  ulong_t capacity_in_bytes;
   ulong_t head; //current position
 
   struct vm_device * ide_dev;
@@ -64,6 +66,7 @@ static void cdrom_eject(void * private_data) {
  */
 static rd_bool cdrom_read_toc(void * private_data, uint8_t* buf, int* length, rd_bool msf, int start_track)
 {
+  *length = 4;
   PrintDebug("[cdrom_read_toc]\n");
   return 1;
 }
@@ -74,15 +77,15 @@ static rd_bool cdrom_read_toc(void * private_data, uint8_t* buf, int* length, rd
 static uint32_t cdrom_capacity(void * private_data) {
   struct cdrom_state * cdrom = (struct cdrom_state *)private_data;
 
-  PrintDebug("[cdrom_capacity] s_ramdiskSize = %d\n", cdrom->capacity_B);
+  PrintDebug("[cdrom_capacity] s_ramdiskSize = %d\n", cdrom->capacity_in_bytes);
 
   if (cdrom->lba) {
-    if (cdrom->capacity_B % 2048) {
-      PrintDebug("\t\t capacity in LBA is %d\n", (cdrom->capacity_B / 2048) + 1);
-      return (cdrom->capacity_B / 2048) + 1;
+    if (cdrom->capacity_in_bytes % 2048) {
+      PrintDebug("\t\t capacity in LBA is %d\n", (cdrom->capacity_in_bytes / 2048) + 1);
+      return (cdrom->capacity_in_bytes / 2048) + 1;
     } else {
-      PrintDebug("\t\t capacity in LBA is %d\n", cdrom->capacity_B / 2048);
-      return cdrom->capacity_B / 2048;
+      PrintDebug("\t\t capacity in LBA is %d\n", cdrom->capacity_in_bytes / 2048);
+      return cdrom->capacity_in_bytes / 2048;
     }
   } else {
     PrintError("Unsupported CDROM mode in capacity query\n");
@@ -101,7 +104,7 @@ static void cdrom_read_block(void * private_data, uint8_t * buf, int lba)/* __at
   
   PrintDebug("[cdrom_read_block] lba = %d (cdrom_image_start=%x)\n", lba, cdrom->image_addr);
   memcpy(buf, (uchar_t *)(cdrom->image_addr + lba * 2048), 2048);
-  PrintDebug("Returning from read block\n");
+  //PrintDebug("Returning from read block\n");
   return;
 }
 
@@ -166,7 +169,7 @@ struct vm_device *  v3_create_cdrom(struct vm_device * ramdisk_dev, void * ramdi
   memset(cd, 0, sizeof(struct cdrom_state));
 
   cd->image_addr = (uchar_t *)ramdisk;
-  cd->capacity_B = ramdisk_size;
+  cd->capacity_in_bytes = ramdisk_size;
   cd->ide_dev = ramdisk_dev;
   
   PrintDebug("Creating RamDISK CDROM\n");