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https://github.com/Stichting-MINIX-Research-Foundation/u-boot.git
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3f83c87ee5
Commit 045fa1e "fs: add filesystem switch libary, implement ls and fsload commands" unified the implementation of fatload and ext*load with the new command fsload. However, this altered the interpretation of command-line numbers from always being base-16, to requiring a "0x" prefix for base-16 numbers. Enhance do_fsload() to allow commands to specify which base to use. Use base 0, thus requiring a "0x" prefix for the new fsload command. This feels much cleaner than assuming base 16. Use base 16 for the pre-existing fatload and ext*load to prevent a change in behaviour. Use base 16 exclusively for the loadaddr environment variable, since that variable is interpreted in multiple places, so we don't want the behaviour to change. Update command help text to make it clear where numbers are assumed to be hex, and where an explicit "0x" prefix is required. Signed-off-by: Stephen Warren <swarren@nvidia.com> Reviewed-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
141 lines
3.8 KiB
C
141 lines
3.8 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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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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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_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_fsload(cmdtp, flag, argc, argv, FS_TYPE_EXT, 16);
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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[3];
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/* get the address in hexadecimal format (string to int) */
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ram_address = simple_strtoul(argv[4], NULL, 16);
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/* get the filesize in base 10 format */
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file_size = simple_strtoul(argv[5], NULL, 10);
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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]> [Absolute filename path] [Address] [sizebytes]\n"
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" - create a file in / directory");
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#endif
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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]\n"
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" - load binary file 'filename' from 'dev' on 'interface'\n"
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" to address 'addr' from ext4 filesystem.\n"
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" All numeric parameters are assumed to be hex.");
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