mirror of
https://github.com/AsahiLinux/u-boot
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139 lines
3.4 KiB
C
139 lines
3.4 KiB
C
/*
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* (C) Copyright 2011 - 2012 Samsung Electronics
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* EXT4 filesystem implementation in Uboot by
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* Uma Shankar <uma.shankar@samsung.com>
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* Manjunatha C Achar <a.manjunatha@samsung.com>
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*
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* Ext4fs support
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* made from existing cmd_ext2.c file of Uboot
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*
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* (C) Copyright 2004
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* esd gmbh <www.esd-electronics.com>
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* Reinhard Arlt <reinhard.arlt@esd-electronics.com>
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*
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* made from cmd_reiserfs by
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*
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* (C) Copyright 2003 - 2004
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* Sysgo Real-Time Solutions, AG <www.elinos.com>
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* Pavel Bartusek <pba@sysgo.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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/*
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* Changelog:
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* 0.1 - Newly created file for ext4fs support. Taken from cmd_ext2.c
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* file in uboot. Added ext4fs ls load and write support.
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*/
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#include <common.h>
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#include <part.h>
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#include <config.h>
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#include <command.h>
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#include <image.h>
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#include <linux/ctype.h>
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#include <asm/byteorder.h>
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#include <ext4fs.h>
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#include <linux/stat.h>
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#include <malloc.h>
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#include <fs.h>
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#if defined(CONFIG_CMD_USB) && defined(CONFIG_USB_STORAGE)
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#include <usb.h>
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#endif
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int do_ext4_size(cmd_tbl_t *cmdtp, int flag, int argc,
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char *const argv[])
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{
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return do_size(cmdtp, flag, argc, argv, FS_TYPE_EXT);
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}
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int do_ext4_load(cmd_tbl_t *cmdtp, int flag, int argc,
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char *const argv[])
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{
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return do_load(cmdtp, flag, argc, argv, FS_TYPE_EXT);
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}
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int do_ext4_ls(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
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{
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return do_ls(cmdtp, flag, argc, argv, FS_TYPE_EXT);
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}
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#if defined(CONFIG_CMD_EXT4_WRITE)
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int do_ext4_write(cmd_tbl_t *cmdtp, int flag, int argc,
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char *const argv[])
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{
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const char *filename = "/";
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int dev, part;
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unsigned long ram_address;
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unsigned long file_size;
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disk_partition_t info;
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block_dev_desc_t *dev_desc;
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if (argc < 6)
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return cmd_usage(cmdtp);
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part = get_device_and_partition(argv[1], argv[2], &dev_desc, &info, 1);
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if (part < 0)
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return 1;
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dev = dev_desc->dev;
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/* get the filename */
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filename = argv[4];
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/* get the address in hexadecimal format (string to int) */
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ram_address = simple_strtoul(argv[3], NULL, 16);
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/* get the filesize in hexadecimal format */
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file_size = simple_strtoul(argv[5], NULL, 16);
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/* set the device as block device */
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ext4fs_set_blk_dev(dev_desc, &info);
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/* mount the filesystem */
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if (!ext4fs_mount(info.size)) {
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printf("Bad ext4 partition %s %d:%d\n", argv[1], dev, part);
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goto fail;
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}
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/* start write */
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if (ext4fs_write(filename, (unsigned char *)ram_address, file_size)) {
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printf("** Error ext4fs_write() **\n");
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goto fail;
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}
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ext4fs_close();
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return 0;
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fail:
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ext4fs_close();
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return 1;
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}
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U_BOOT_CMD(ext4write, 6, 1, do_ext4_write,
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"create a file in the root directory",
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"<interface> <dev[:part]> <addr> <absolute filename path> [sizebytes]\n"
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" - create a file in / directory");
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#endif
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U_BOOT_CMD(
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ext4size, 4, 0, do_ext4_size,
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"determine a file's size",
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"<interface> <dev[:part]> <filename>\n"
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" - Find file 'filename' from 'dev' on 'interface'\n"
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" and determine its size."
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);
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U_BOOT_CMD(ext4ls, 4, 1, do_ext4_ls,
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"list files in a directory (default /)",
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"<interface> <dev[:part]> [directory]\n"
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" - list files from 'dev' on 'interface' in a 'directory'");
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U_BOOT_CMD(ext4load, 6, 0, do_ext4_load,
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"load binary file from a Ext4 filesystem",
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"<interface> [<dev[:part]> [addr [filename [bytes [pos]]]]]\n"
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" - load binary file 'filename' from 'dev' on 'interface'\n"
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" to address 'addr' from ext4 filesystem");
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