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-rw-r--r--memdisk/eltorito.c58
1 files changed, 58 insertions, 0 deletions
diff --git a/memdisk/eltorito.c b/memdisk/eltorito.c
new file mode 100644
index 00000000..7e0ba89b
--- /dev/null
+++ b/memdisk/eltorito.c
@@ -0,0 +1,58 @@
+/* ----------------------------------------------------------------------- *
+ *
+ * Copyright 2009 Shao Miller - All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, Inc., 53 Temple Place Ste 330,
+ * Boston MA 02111-1307, USA; either version 2 of the License, or
+ * (at your option) any later version; incorporated herein by reference.
+ *
+ * ----------------------------------------------------------------------- */
+
+/*
+ * eltorito.c
+ *
+ * EDD-4 El Torito structures and debugging routines
+ */
+
+#include <stdint.h>
+#include "memdisk.h"
+#include "conio.h"
+#include "eltorito.h"
+
+#ifdef DBG_ELTORITO
+void eltorito_dump(uint32_t image)
+{
+ printf("-- El Torito dump --\n", image);
+
+ /* BVD starts at sector 17. */
+ struct edd4_bvd *bvd = (struct edd4_bvd *)(image + 17 * 2048);
+
+ printf("bvd.boot_rec_ind: 0x%02x\n", bvd->boot_rec_ind);
+ printf("bvd.iso9660_id: %c%c%c%c%c\n", bvd->iso9660_id[0],
+ bvd->iso9660_id[1], bvd->iso9660_id[2], bvd->iso9660_id[3],
+ bvd->iso9660_id[4]);
+ printf("bvd.ver: 0x%02x\n", bvd->ver);
+ printf("bvd.eltorito: %s\n", bvd->eltorito);
+ printf("bvd.boot_cat: 0x%08x\n", bvd->boot_cat);
+
+ struct edd4_bootcat *boot_cat =
+ (struct edd4_bootcat *)(image + bvd->boot_cat * 2048);
+
+ printf("boot_cat.validation_entry\n");
+ printf(" .header_id: 0x%02x\n", boot_cat->validation_entry.header_id);
+ printf(" .platform_id: 0x%02x\n", boot_cat->validation_entry.platform_id);
+ printf(" .id_string: %s\n", boot_cat->validation_entry.id_string);
+ printf(" .checksum: 0x%04x\n", boot_cat->validation_entry.checksum);
+ printf(" .key55: 0x%02x\n", boot_cat->validation_entry.key55);
+ printf(" .keyAA: 0x%02x\n", boot_cat->validation_entry.keyAA);
+ printf("boot_cat.initial_entry\n");
+ printf(" .header_id: 0x%02x\n", boot_cat->initial_entry.header_id);
+ printf(" .media_type: 0x%02x\n", boot_cat->initial_entry.media_type);
+ printf(" .load_seg: 0x%04x\n", boot_cat->initial_entry.load_seg);
+ printf(" .system_type: 0x%02x\n", boot_cat->initial_entry.system_type);
+ printf(" .sect_count: %d\n", boot_cat->initial_entry.sect_count);
+ printf(" .load_block: 0x%08x\n", boot_cat->initial_entry.load_block);
+}
+#endif