From 5a54225aef1773c752fbea51fb6b0cc677c92265 Mon Sep 17 00:00:00 2001
From: Michael Brown <mcb30@etherboot.org>
Date: Sun, 27 Aug 2006 01:22:01 +0000
Subject: [PATCH] Added support for INT 13,15; NTLDR calls it (though it may
 not actually do anything with the result, since it carried on using us even
 when we returned failure).

---
 src/arch/i386/include/int13.h | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/src/arch/i386/include/int13.h b/src/arch/i386/include/int13.h
index 4d5743e9..0525229d 100644
--- a/src/arch/i386/include/int13.h
+++ b/src/arch/i386/include/int13.h
@@ -27,6 +27,8 @@ struct block_device;
 #define INT13_WRITE_SECTORS		0x03
 /** Get drive parameters */
 #define INT13_GET_PARAMETERS		0x08
+/** Get disk type */
+#define INT13_GET_DISK_TYPE		0x15
 /** Extensions installation check */
 #define INT13_EXTENSION_CHECK		0x41
 /** Extended read */
@@ -131,6 +133,22 @@ struct int13_disk_parameters {
 	
 };
 
+/**
+ * @defgroup int13types INT 13 disk types
+ * @{
+ */
+
+/** No such drive */
+#define INT13_DISK_TYPE_NONE	0x00
+/** Floppy without change-line support */
+#define INT13_DISK_TYPE_FDD	0x01
+/** Floppy with change-line support */
+#define INT13_DISK_TYPE_FDD_CL	0x02
+/** Hard disk */
+#define INT13_DISK_TYPE_HDD	0x03
+
+/** @} */
+
 /**
  * @defgroup int13flags INT 13 disk parameter flags
  * @{