* (C) Copyright 2003 - 2004
* Sysgo AG, <www.elinos.com>, Pavel Bartusek <pba@sysgo.com>
*
- * 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; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
+ * SPDX-License-Identifier: GPL-2.0+
*/
/*
*/
#include <common.h>
+#include <blk.h>
#include <config.h>
+#include <memalign.h>
#include <ext4fs.h>
#include <ext_common.h>
#include "ext4_common.h"
-unsigned long part_offset;
+lbaint_t part_offset;
-static block_dev_desc_t *ext4fs_block_dev_desc;
+static struct blk_desc *ext4fs_blk_desc;
static disk_partition_t *part_info;
-void ext4fs_set_blk_dev(block_dev_desc_t *rbdd, disk_partition_t *info)
+void ext4fs_set_blk_dev(struct blk_desc *rbdd, disk_partition_t *info)
{
assert(rbdd->blksz == (1 << rbdd->log2blksz));
- ext4fs_block_dev_desc = rbdd;
+ ext4fs_blk_desc = rbdd;
get_fs()->dev_desc = rbdd;
part_info = info;
part_offset = info->start;
- get_fs()->total_sect = (info->size * info->blksz) >>
+ get_fs()->total_sect = ((uint64_t)info->size * info->blksz) >>
get_fs()->dev_desc->log2blksz;
}
-int ext4fs_devread(int sector, int byte_offset, int byte_len, char *buf)
+int ext4fs_devread(lbaint_t sector, int byte_offset, int byte_len, char *buf)
{
unsigned block_len;
- int log2blksz = ext4fs_block_dev_desc->log2blksz;
- ALLOC_CACHE_ALIGN_BUFFER(char, sec_buf, (ext4fs_block_dev_desc ?
- ext4fs_block_dev_desc->blksz :
+ int log2blksz = ext4fs_blk_desc->log2blksz;
+ ALLOC_CACHE_ALIGN_BUFFER(char, sec_buf, (ext4fs_blk_desc ?
+ ext4fs_blk_desc->blksz :
0));
- if (ext4fs_block_dev_desc == NULL) {
+ if (ext4fs_blk_desc == NULL) {
printf("** Invalid Block Device Descriptor (NULL)\n");
return 0;
}
/* Check partition boundaries */
- if ((sector < 0) ||
- ((sector + ((byte_offset + byte_len - 1) >> log2blksz))
- >= part_info->size)) {
- printf("%s read outside partition %d\n", __func__, sector);
+ if ((sector + ((byte_offset + byte_len - 1) >> log2blksz))
+ >= part_info->size) {
+ printf("%s read outside partition " LBAFU "\n", __func__,
+ sector);
return 0;
}
/* Get the read to the beginning of a partition */
sector += byte_offset >> log2blksz;
- byte_offset &= ext4fs_block_dev_desc->blksz - 1;
+ byte_offset &= ext4fs_blk_desc->blksz - 1;
- debug(" <%d, %d, %d>\n", sector, byte_offset, byte_len);
+ debug(" <" LBAFU ", %d, %d>\n", sector, byte_offset, byte_len);
if (byte_offset != 0) {
+ int readlen;
/* read first part which isn't aligned with start of sector */
- if (ext4fs_block_dev_desc->
- block_read(ext4fs_block_dev_desc->dev,
- part_info->start + sector, 1,
- (unsigned long *) sec_buf) != 1) {
+ if (blk_dread(ext4fs_blk_desc, part_info->start + sector, 1,
+ (void *)sec_buf) != 1) {
printf(" ** ext2fs_devread() read error **\n");
return 0;
}
- memcpy(buf, sec_buf + byte_offset,
- min(ext4fs_block_dev_desc->blksz
- - byte_offset, byte_len));
- buf += min(ext4fs_block_dev_desc->blksz
- - byte_offset, byte_len);
- byte_len -= min(ext4fs_block_dev_desc->blksz
- - byte_offset, byte_len);
+ readlen = min((int)ext4fs_blk_desc->blksz - byte_offset,
+ byte_len);
+ memcpy(buf, sec_buf + byte_offset, readlen);
+ buf += readlen;
+ byte_len -= readlen;
sector++;
}
return 1;
/* read sector aligned part */
- block_len = byte_len & ~(ext4fs_block_dev_desc->blksz - 1);
+ block_len = byte_len & ~(ext4fs_blk_desc->blksz - 1);
if (block_len == 0) {
- ALLOC_CACHE_ALIGN_BUFFER(u8, p, ext4fs_block_dev_desc->blksz);
+ ALLOC_CACHE_ALIGN_BUFFER(u8, p, ext4fs_blk_desc->blksz);
- block_len = ext4fs_block_dev_desc->blksz;
- ext4fs_block_dev_desc->block_read(ext4fs_block_dev_desc->dev,
- part_info->start + sector,
- 1, (unsigned long *)p);
+ block_len = ext4fs_blk_desc->blksz;
+ blk_dread(ext4fs_blk_desc, part_info->start + sector, 1,
+ (void *)p);
memcpy(buf, p, byte_len);
return 1;
}
- if (ext4fs_block_dev_desc->block_read(ext4fs_block_dev_desc->dev,
- part_info->start + sector,
- block_len >> log2blksz,
- (unsigned long *) buf) !=
- block_len >> log2blksz) {
+ if (blk_dread(ext4fs_blk_desc, part_info->start + sector,
+ block_len >> log2blksz, (void *)buf) !=
+ block_len >> log2blksz) {
printf(" ** %s read error - block\n", __func__);
return 0;
}
- block_len = byte_len & ~(ext4fs_block_dev_desc->blksz - 1);
+ block_len = byte_len & ~(ext4fs_blk_desc->blksz - 1);
buf += block_len;
byte_len -= block_len;
- sector += block_len / ext4fs_block_dev_desc->blksz;
+ sector += block_len / ext4fs_blk_desc->blksz;
if (byte_len != 0) {
/* read rest of data which are not in whole sector */
- if (ext4fs_block_dev_desc->
- block_read(ext4fs_block_dev_desc->dev,
- part_info->start + sector, 1,
- (unsigned long *) sec_buf) != 1) {
+ if (blk_dread(ext4fs_blk_desc, part_info->start + sector, 1,
+ (void *)sec_buf) != 1) {
printf("* %s read error - last part\n", __func__);
return 0;
}
projects / people / ms / u-boot.git / blobdiff