- int i, j;
- block_dev_desc_t *dev_desc;
- unsigned char *part_table;
- unsigned char buffer[ATA_BLOCKSIZE];
-
- for (i = 0; i < CONFIG_SYS_IDE_MAXDEVICE; i++) {
- dev_desc = ide_get_dev (i);
- if (!dev_desc) {
- debug ("couldn't get ide device!\n");
- return (-1);
- }
- if (dev_desc->part_type == PART_TYPE_DOS) {
- if (dev_desc->
- block_read (dev_desc->dev, 0, 1, (ulong *) buffer) != 1) {
- debug ("can't perform block_read!\n");
- return (-1);
- }
- part_table = &buffer[0x1be]; /* start with partition #4 */
- for (j = 0; j < 4; j++) {
- if ((part_table[4] == 1 || /* 12-bit FAT */
- part_table[4] == 4 || /* 16-bit FAT */
- part_table[4] == 6) && /* > 32Meg part */
- part_table[0] == 0x80) { /* bootable? */
- curr_dev = i;
- part_offset = part_table[11];
- part_offset <<= 8;
- part_offset |= part_table[10];
- part_offset <<= 8;
- part_offset |= part_table[9];
- part_offset <<= 8;
- part_offset |= part_table[8];
- debug ("found partition start at %ld\n", part_offset);
- return (0);
- }
- part_table += 16;
- }
- }
- }
-
- debug ("no valid devices found!\n");
- return (-1);
-}
-
-int
-do_fat_dump (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[])
-{
- __u8 block[1024];