X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fdevices%2Fram_hd.c;h=3bce4fcfdb32926b21a54a392aeacb121024f7a0;hb=c62141df299854f534f7ff255693db5f4b7bac4b;hp=3129ec537082d9df439a74538cc6954fd822dd48;hpb=6661dd1d2aa547ae248e816dcd4201bcbcb7fee0;p=palacios.git

diff --git a/palacios/src/devices/ram_hd.c b/palacios/src/devices/ram_hd.c
index 3129ec5..3bce4fc 100644
--- a/palacios/src/devices/ram_hd.c
+++ b/palacios/src/devices/ram_hd.c
@@ -22,6 +22,12 @@
 #include <devices/ide.h>
 
 
+
+#ifndef DEBUG_IDE
+#undef PrintDebug
+#define PrintDebug(fmt, args...)
+#endif
+
 struct hd_state {
     addr_t disk_image;
     uint32_t capacity; // in bytes
@@ -33,18 +39,28 @@ struct hd_state {
 };
 
 
-// HDs always read 2048 byte blocks... ?
+// HDs always read 512 byte blocks... ?
 static int hd_read(uint8_t * buf, int sector_count, uint64_t lba,  void * private_data) {
     struct vm_device * hd_dev = (struct vm_device *)private_data;
     struct hd_state * hd = (struct hd_state *)(hd_dev->private_data);
     int offset = lba * IDE_SECTOR_SIZE;
     int length = sector_count * IDE_SECTOR_SIZE;
 
-    PrintDebug("Reading RAM HD at (LBA=%d) offset %d (length=%d)\n", (uint32_t)lba, offset, length);
+    //    PrintDebug("Reading RAM HD at (LBA=%d) offset %d (length=%d)\n", (uint32_t)lba, offset, length);
 
     memcpy(buf, (uint8_t *)(hd->disk_image + offset), length);
 
+    return 0;
+}
+
+
+static int hd_write(uint8_t * buf, int sector_count, uint64_t lba, void * private_data) {
+    struct vm_device * hd_dev = (struct vm_device *)private_data;
+    struct hd_state * hd = (struct hd_state *)(hd_dev->private_data);
+    int offset = lba * IDE_SECTOR_SIZE;
+    int length = sector_count * IDE_SECTOR_SIZE;
 
+    memcpy((uint8_t *)(hd->disk_image + offset), buf, length);
 
     return 0;
 }
@@ -60,6 +76,7 @@ static uint64_t hd_get_capacity(void * private_data) {
 
 static struct v3_ide_hd_ops hd_ops = {
     .read = hd_read, 
+    .write = hd_write,
     .get_capacity = hd_get_capacity,
 };