mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-09-07 05:13:21 +09:00
260 lines
5.9 KiB
C
260 lines
5.9 KiB
C
![]() |
/*
|
||
|
* (C) Copyright 2011 - 2012 Samsung Electronics
|
||
|
* EXT2/4 filesystem implementation in Uboot by
|
||
|
* Uma Shankar <uma.shankar@samsung.com>
|
||
|
* Manjunatha C Achar <a.manjunatha@samsung.com>
|
||
|
*
|
||
|
* Ext4fs support
|
||
|
* made from existing cmd_ext2.c file of Uboot
|
||
|
*
|
||
|
* (C) Copyright 2004
|
||
|
* esd gmbh <www.esd-electronics.com>
|
||
|
* Reinhard Arlt <reinhard.arlt@esd-electronics.com>
|
||
|
*
|
||
|
* made from cmd_reiserfs by
|
||
|
*
|
||
|
* (C) Copyright 2003 - 2004
|
||
|
* Sysgo Real-Time Solutions, 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., 59 Temple Place, Suite 330, Boston,
|
||
|
* MA 02111-1307 USA
|
||
|
*
|
||
|
*/
|
||
|
|
||
|
/*
|
||
|
* Changelog:
|
||
|
* 0.1 - Newly created file for ext4fs support. Taken from cmd_ext2.c
|
||
|
* file in uboot. Added ext4fs ls load and write support.
|
||
|
*/
|
||
|
|
||
|
#include <common.h>
|
||
|
#include <part.h>
|
||
|
#include <config.h>
|
||
|
#include <command.h>
|
||
|
#include <image.h>
|
||
|
#include <linux/ctype.h>
|
||
|
#include <asm/byteorder.h>
|
||
|
#include <ext_common.h>
|
||
|
#include <ext4fs.h>
|
||
|
#include <linux/stat.h>
|
||
|
#include <malloc.h>
|
||
|
|
||
|
#if defined(CONFIG_CMD_USB) && defined(CONFIG_USB_STORAGE)
|
||
|
#include <usb.h>
|
||
|
#endif
|
||
|
|
||
|
#if !defined(CONFIG_DOS_PARTITION) && !defined(CONFIG_EFI_PARTITION)
|
||
|
#error DOS or EFI partition support must be selected
|
||
|
#endif
|
||
|
|
||
|
#define DOS_PART_MAGIC_OFFSET 0x1fe
|
||
|
#define DOS_FS_TYPE_OFFSET 0x36
|
||
|
#define DOS_FS32_TYPE_OFFSET 0x52
|
||
|
|
||
|
int do_ext_load(cmd_tbl_t *cmdtp, int flag, int argc,
|
||
|
char *const argv[])
|
||
|
{
|
||
|
char *filename = NULL;
|
||
|
char *ep;
|
||
|
int dev;
|
||
|
unsigned long part = 1;
|
||
|
ulong addr = 0;
|
||
|
ulong part_length;
|
||
|
int filelen;
|
||
|
disk_partition_t info;
|
||
|
struct ext_filesystem *fs;
|
||
|
char buf[12];
|
||
|
unsigned long count;
|
||
|
const char *addr_str;
|
||
|
|
||
|
count = 0;
|
||
|
addr = simple_strtoul(argv[3], NULL, 16);
|
||
|
filename = getenv("bootfile");
|
||
|
switch (argc) {
|
||
|
case 3:
|
||
|
addr_str = getenv("loadaddr");
|
||
|
if (addr_str != NULL)
|
||
|
addr = simple_strtoul(addr_str, NULL, 16);
|
||
|
else
|
||
|
addr = CONFIG_SYS_LOAD_ADDR;
|
||
|
|
||
|
break;
|
||
|
case 4:
|
||
|
break;
|
||
|
case 5:
|
||
|
filename = argv[4];
|
||
|
break;
|
||
|
case 6:
|
||
|
filename = argv[4];
|
||
|
count = simple_strtoul(argv[5], NULL, 16);
|
||
|
break;
|
||
|
|
||
|
default:
|
||
|
return cmd_usage(cmdtp);
|
||
|
}
|
||
|
|
||
|
if (!filename) {
|
||
|
puts("** No boot file defined **\n");
|
||
|
return 1;
|
||
|
}
|
||
|
|
||
|
dev = (int)simple_strtoul(argv[2], &ep, 16);
|
||
|
ext4_dev_desc = get_dev(argv[1], dev);
|
||
|
if (ext4_dev_desc == NULL) {
|
||
|
printf("** Block device %s %d not supported\n", argv[1], dev);
|
||
|
return 1;
|
||
|
}
|
||
|
if (init_fs(ext4_dev_desc))
|
||
|
return 1;
|
||
|
|
||
|
fs = get_fs();
|
||
|
if (*ep) {
|
||
|
if (*ep != ':') {
|
||
|
puts("** Invalid boot device, use `dev[:part]' **\n");
|
||
|
goto fail;
|
||
|
}
|
||
|
part = simple_strtoul(++ep, NULL, 16);
|
||
|
}
|
||
|
|
||
|
if (part != 0) {
|
||
|
if (get_partition_info(fs->dev_desc, part, &info)) {
|
||
|
printf("** Bad partition %lu **\n", part);
|
||
|
goto fail;
|
||
|
}
|
||
|
|
||
|
if (strncmp((char *)info.type, BOOT_PART_TYPE,
|
||
|
strlen(BOOT_PART_TYPE)) != 0) {
|
||
|
printf("** Invalid partition type \"%s\""
|
||
|
" (expect \"" BOOT_PART_TYPE "\")\n", info.type);
|
||
|
goto fail;
|
||
|
}
|
||
|
printf("Loading file \"%s\" "
|
||
|
"from %s device %d:%lu %s\n",
|
||
|
filename, argv[1], dev, part, info.name);
|
||
|
} else {
|
||
|
printf("Loading file \"%s\" from %s device %d\n",
|
||
|
filename, argv[1], dev);
|
||
|
}
|
||
|
|
||
|
part_length = ext4fs_set_blk_dev(fs->dev_desc, part);
|
||
|
if (part_length == 0) {
|
||
|
printf("**Bad partition - %s %d:%lu **\n", argv[1], dev, part);
|
||
|
ext4fs_close();
|
||
|
goto fail;
|
||
|
}
|
||
|
|
||
|
if (!ext4fs_mount(part_length)) {
|
||
|
printf("** Bad ext2 partition or disk - %s %d:%lu **\n",
|
||
|
argv[1], dev, part);
|
||
|
ext4fs_close();
|
||
|
goto fail;
|
||
|
}
|
||
|
|
||
|
filelen = ext4fs_open(filename);
|
||
|
if (filelen < 0) {
|
||
|
printf("** File not found %s\n", filename);
|
||
|
ext4fs_close();
|
||
|
goto fail;
|
||
|
}
|
||
|
if ((count < filelen) && (count != 0))
|
||
|
filelen = count;
|
||
|
|
||
|
if (ext4fs_read((char *)addr, filelen) != filelen) {
|
||
|
printf("** Unable to read \"%s\" from %s %d:%lu **\n",
|
||
|
filename, argv[1], dev, part);
|
||
|
ext4fs_close();
|
||
|
goto fail;
|
||
|
}
|
||
|
|
||
|
ext4fs_close();
|
||
|
deinit_fs(fs->dev_desc);
|
||
|
/* Loading ok, update default load address */
|
||
|
load_addr = addr;
|
||
|
|
||
|
printf("%d bytes read\n", filelen);
|
||
|
sprintf(buf, "%X", filelen);
|
||
|
setenv("filesize", buf);
|
||
|
|
||
|
return 0;
|
||
|
fail:
|
||
|
deinit_fs(fs->dev_desc);
|
||
|
return 1;
|
||
|
}
|
||
|
|
||
|
int do_ext_ls(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
|
||
|
{
|
||
|
const char *filename = "/";
|
||
|
int dev;
|
||
|
unsigned long part = 1;
|
||
|
char *ep;
|
||
|
struct ext_filesystem *fs;
|
||
|
int part_length;
|
||
|
if (argc < 3)
|
||
|
return cmd_usage(cmdtp);
|
||
|
|
||
|
dev = (int)simple_strtoul(argv[2], &ep, 16);
|
||
|
|
||
|
ext4_dev_desc = get_dev(argv[1], dev);
|
||
|
|
||
|
if (ext4_dev_desc == NULL) {
|
||
|
printf("\n** Block device %s %d not supported\n", argv[1], dev);
|
||
|
return 1;
|
||
|
}
|
||
|
|
||
|
if (init_fs(ext4_dev_desc))
|
||
|
return 1;
|
||
|
|
||
|
fs = get_fs();
|
||
|
if (*ep) {
|
||
|
if (*ep != ':') {
|
||
|
puts("\n** Invalid boot device, use `dev[:part]' **\n");
|
||
|
goto fail;
|
||
|
}
|
||
|
part = simple_strtoul(++ep, NULL, 16);
|
||
|
}
|
||
|
|
||
|
if (argc == 4)
|
||
|
filename = argv[3];
|
||
|
|
||
|
part_length = ext4fs_set_blk_dev(fs->dev_desc, part);
|
||
|
if (part_length == 0) {
|
||
|
printf("** Bad partition - %s %d:%lu **\n", argv[1], dev, part);
|
||
|
ext4fs_close();
|
||
|
goto fail;
|
||
|
}
|
||
|
|
||
|
if (!ext4fs_mount(part_length)) {
|
||
|
printf("** Bad ext2 partition or disk - %s %d:%lu **\n",
|
||
|
argv[1], dev, part);
|
||
|
ext4fs_close();
|
||
|
goto fail;
|
||
|
}
|
||
|
|
||
|
if (ext4fs_ls(filename)) {
|
||
|
printf("** Error extfs_ls() **\n");
|
||
|
ext4fs_close();
|
||
|
goto fail;
|
||
|
};
|
||
|
|
||
|
ext4fs_close();
|
||
|
deinit_fs(fs->dev_desc);
|
||
|
return 0;
|
||
|
|
||
|
fail:
|
||
|
deinit_fs(fs->dev_desc);
|
||
|
return 1;
|
||
|
}
|