From: Laine Walker-Avina <lwalkera@ieee.org>
Date: Tue, 13 Apr 2010 20:27:31 +0000 (-0700)
Subject: FAT: Find the start of the first partition in a non-hardcoded way
X-Git-Tag: v1.5.0~71
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f24393836812798cac755eeaeae37112d709b09d;p=pandora-x-loader.git

FAT: Find the start of the first partition in a non-hardcoded way
---

diff --git a/fs/fat/fat.c b/fs/fat/fat.c
index 0e91556..c6bdb13 100644
--- a/fs/fat/fat.c
+++ b/fs/fat/fat.c
@@ -145,13 +145,11 @@ fat_register_device(block_dev_desc_t *dev_desc, int part_no)
 			return -1;
 		}
 #else
-		/* FIXME we need to determine the start block of the
-		 * partition where the DOS FS resides. This can be done
-		 * by using the get_partition_info routine. For this
-		 * purpose the libpart must be included.
-		 */
-		part_offset=63;
-		//part_offset=0;
+		part_offset = buffer[DOS_PART_TBL_OFFSET+8]      |
+		              buffer[DOS_PART_TBL_OFFSET+9] <<8  |
+		              buffer[DOS_PART_TBL_OFFSET+10]<<16 |
+		              buffer[DOS_PART_TBL_OFFSET+11]<<24;
+
 		cur_part = 1;
 #endif
 	}