1 /* 2 * (C) Copyright 2011 - 2012 Samsung Electronics 3 * EXT4 filesystem implementation in Uboot by 4 * Uma Shankar <uma.shankar@samsung.com> 5 * Manjunatha C Achar <a.manjunatha@samsung.com> 6 * 7 * Ext4fs support 8 * made from existing cmd_ext2.c file of Uboot 9 * 10 * (C) Copyright 2004 11 * esd gmbh <www.esd-electronics.com> 12 * Reinhard Arlt <reinhard.arlt@esd-electronics.com> 13 * 14 * made from cmd_reiserfs by 15 * 16 * (C) Copyright 2003 - 2004 17 * Sysgo Real-Time Solutions, AG <www.elinos.com> 18 * Pavel Bartusek <pba@sysgo.com> 19 * 20 * SPDX-License-Identifier: GPL-2.0+ 21 */ 22 23 /* 24 * Changelog: 25 * 0.1 - Newly created file for ext4fs support. Taken from cmd_ext2.c 26 * file in uboot. Added ext4fs ls load and write support. 27 */ 28 29 #include <common.h> 30 #include <part.h> 31 #include <config.h> 32 #include <command.h> 33 #include <image.h> 34 #include <linux/ctype.h> 35 #include <asm/byteorder.h> 36 #include <ext4fs.h> 37 #include <linux/stat.h> 38 #include <malloc.h> 39 #include <fs.h> 40 41 #if defined(CONFIG_CMD_USB) && defined(CONFIG_USB_STORAGE) 42 #include <usb.h> 43 #endif 44 45 int do_ext4_size(cmd_tbl_t *cmdtp, int flag, int argc, 46 char *const argv[]) 47 { 48 return do_size(cmdtp, flag, argc, argv, FS_TYPE_EXT); 49 } 50 51 int do_ext4_load(cmd_tbl_t *cmdtp, int flag, int argc, 52 char *const argv[]) 53 { 54 return do_load(cmdtp, flag, argc, argv, FS_TYPE_EXT); 55 } 56 57 int do_ext4_ls(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) 58 { 59 return do_ls(cmdtp, flag, argc, argv, FS_TYPE_EXT); 60 } 61 62 #if defined(CONFIG_CMD_EXT4_WRITE) 63 int do_ext4_write(cmd_tbl_t *cmdtp, int flag, int argc, 64 char *const argv[]) 65 { 66 return do_save(cmdtp, flag, argc, argv, FS_TYPE_EXT); 67 } 68 69 U_BOOT_CMD(ext4write, 7, 1, do_ext4_write, 70 "create a file in the root directory", 71 "<interface> <dev[:part]> <addr> <absolute filename path>\n" 72 " [sizebytes] [file offset]\n" 73 " - create a file in / directory"); 74 75 #endif 76 77 U_BOOT_CMD( 78 ext4size, 4, 0, do_ext4_size, 79 "determine a file's size", 80 "<interface> <dev[:part]> <filename>\n" 81 " - Find file 'filename' from 'dev' on 'interface'\n" 82 " and determine its size." 83 ); 84 85 U_BOOT_CMD(ext4ls, 4, 1, do_ext4_ls, 86 "list files in a directory (default /)", 87 "<interface> <dev[:part]> [directory]\n" 88 " - list files from 'dev' on 'interface' in a 'directory'"); 89 90 U_BOOT_CMD(ext4load, 7, 0, do_ext4_load, 91 "load binary file from a Ext4 filesystem", 92 "<interface> [<dev[:part]> [addr [filename [bytes [pos]]]]]\n" 93 " - load binary file 'filename' from 'dev' on 'interface'\n" 94 " to address 'addr' from ext4 filesystem"); 95