recipes-bsp/x-load/x-load-git/bb8547fcbc54ecc7a75f9ad45a31042a04d8a2ce.patch

   1 From bb8547fcbc54ecc7a75f9ad45a31042a04d8a2ce Mon Sep 17 00:00:00 2001
   2 From: Laine Walker-Avina <lwalkera@ieee.org>
   3 Date: Tue, 13 Apr 2010 13:27:31 -0700
   4 Subject: [PATCH] FAT: Find the start of the first partition in a non-hardcoded way
   5
   6 ---
   7  fs/fat/fat.c |   12 +++++-------
   8  1 files changed, 5 insertions(+), 7 deletions(-)
   9
  10 diff --git a/fs/fat/fat.c b/fs/fat/fat.c
  11 index eb754c0..c6bdb13 100644
  12 --- a/fs/fat/fat.c
  13 +++ b/fs/fat/fat.c
  14 @@ -145,13 +145,11 @@ fat_register_device(block_dev_desc_t *dev_desc, int part_no)
  15                         return -1;
  16                 }
  17  #else
  18 -               /* FIXME we need to determine the start block of the
  19 -                * partition where the DOS FS resides. This can be done
  20 -                * by using the get_partition_info routine. For this
  21 -                * purpose the libpart must be included.
  22 -                */
  23 -               part_offset=63;
  24 -               //part_offset=0;
  25 +               part_offset = buffer[DOS_PART_TBL_OFFSET+8]      |
  26 +                             buffer[DOS_PART_TBL_OFFSET+9] <<8  |
  27 +                             buffer[DOS_PART_TBL_OFFSET+10]<<16 |
  28 +                             buffer[DOS_PART_TBL_OFFSET+11]<<24;
  29 +
  30                 cur_part = 1;
  31  #endif
  32         }
  33 --
  34 1.6.1
  35