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/*
* (C) Copyright 2011 - 2012 Samsung Electronics
* EXT4 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
extern int ext4_format(void);
int do_ext4_load(cmd_tbl_t *cmdtp, int flag, int argc,
char *const argv[])
{
if (do_ext_load(cmdtp, flag, argc, argv))
return -1;
return 0;
}
int do_ext4_ls(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
if (do_ext_ls(cmdtp, flag, argc, argv))
return -1;
return 0;
}
int do_ext4_write(cmd_tbl_t *cmdtp, int flag, int argc,
char *const argv[])
{
const char *filename = "/";
int dev, part;
char *ep;
unsigned long ram_address;
unsigned long file_size;
disk_partition_t info;
block_dev_desc_t *dev_desc;
struct ext_filesystem *fs = get_fs();
if (argc < 6) {
printf ("Usage:\n%s\n", cmdtp->help);
return(1);
}
dev = (int)simple_strtoul (argv[2], &ep, 16);
dev_desc=get_dev(argv[1],dev);
if (dev_desc == NULL) {
printf ("\n** Block device %s %d not supported\n", argv[1], dev);
return(1);
}
if (*ep) {
if (*ep != ':') {
puts ("\n** Invalid boot device, use `dev[:part]' **\n");
return(1);
}
part = (int)simple_strtoul(++ep, NULL, 16);
}
/* get the filename */
filename = argv[4];
/* get the address in hexadecimal format (string to int) */
ram_address = simple_strtoul(argv[3], NULL, 16);
/* get the filesize in base 10 format */
file_size = simple_strtoul(argv[5], NULL, 16);
if (part == 0) {
/* disk doesn't use partition table */
info.start = 0;
info.size = dev_desc->lba;
info.blksz = dev_desc->blksz;
} else {
if (get_partition_info
(dev_desc, part, &info)) {
}
}
if (info.size == 0) {
printf ("** Bad partition - %s %d:%d **\n", argv[1], dev, part);
ext4fs_close();
return(1);
}
dev = dev_desc->dev;
/* set the device as block device */
ext4fs_set_blk_dev(dev_desc, &info);
fs->dev_desc = dev_desc;
/* mount the filesystem */
if (!ext4fs_mount(info.size)) {
printf("Bad ext4 partition %s %d:%lu\n", argv[1], dev, part);
goto fail;
}
/* start write */
if (ext4fs_write(filename, (unsigned char *)ram_address, file_size)) {
printf("** Error ext4fs_write() **\n");
goto fail;
}
ext4fs_close();
return 0;
fail:
ext4fs_close();
return 1;
}
int do_ext4_format(cmd_tbl_t *cmdtp, int flag, int argc,
char *const argv[])
{
int dev=0;
int part=1;
int partition=1;
char *ep;
block_dev_desc_t *dev_desc=NULL;
disk_partition_t info;
struct ext_filesystem *fs = get_fs();
if (argc < 3) {
printf ("Usage:\n%s\n", cmdtp->help);
return(1);
}
dev = (int)simple_strtoul (argv[2], &ep, 16);
dev_desc=get_dev(argv[1],dev);
if (dev_desc == NULL) {
printf ("\n** Block device %s %d not supported\n", argv[1], dev);
return(1);
}
if (*ep) {
if (*ep != ':') {
puts ("\n** Invalid boot device, use `dev[:part]' **\n");
return(1);
}
part = (int)simple_strtoul(++ep, NULL, 16);
}
if (part == 0) {
/* disk doesn't use partition table */
info.start = 0;
info.size = dev_desc->lba;
info.blksz = dev_desc->blksz;
} else {
if (get_partition_info
(dev_desc, part, &info)) {
}
}
if (info.size == 0) {
printf ("** Bad partition - %s %d:%d **\n", argv[1], dev, part);
ext4fs_close();
return(1);
}
dev = dev_desc->dev;
/* set the device as block device */
ext4fs_set_blk_dev(dev_desc, &info);
fs->dev_desc = dev_desc;
return ext4_format();
}
U_BOOT_CMD(mkfsext4, 3, 1, do_ext4_format,
"format the partition to ext4",
"<interface> <dev:part> \n"
" -format a partition to ext4");
U_BOOT_CMD(ext4write, 6, 1, do_ext4_write,
"create a file in the root directory",
"<interface> <dev:part> <Address(hex)> <Absolute filename path> <sizebytes(hex)>\n"
" - create a file in / directory");
U_BOOT_CMD(ext4ls, 4, 1, do_ext4_ls,
"list files in a directory (default /)",
"<interface> <dev:part> [directory]\n"
" - list files from 'dev' on 'interface' in a 'directory'");
U_BOOT_CMD(ext4load, 6, 0, do_ext4_load,
"load binary file from a Ext4 filesystem",
"<interface> <dev:part> <addr> <filename> [bytes]\n"
" - load binary file 'filename' from 'dev' on 'interface'\n"
" to address 'addr' from ext4 filesystem");
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