179 lines
3.2 KiB
C
179 lines
3.2 KiB
C
/*
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* (C) Copyright 2008
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* Stefan Roese, DENX Software Engineering, sr@denx.de.
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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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* UBIFS command support
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*/
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#undef DEBUG
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#include <common.h>
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#include <config.h>
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#include <command.h>
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#include "../fs/ubifs/ubifs.h"
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static int ubifs_initialized;
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static int ubifs_mounted;
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extern struct super_block *ubifs_sb;
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/* Prototypes */
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int ubifs_init(void);
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int ubifs_mount(char *vol_name);
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void ubifs_umount(struct ubifs_info *c);
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int ubifs_ls(char *dir_name);
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int ubifs_load(char *filename, u32 addr, u32 size);
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int do_ubifs_mount(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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char *vol_name;
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int ret;
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if (argc != 2)
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return CMD_RET_USAGE;
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vol_name = argv[1];
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debug("Using volume %s\n", vol_name);
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if (ubifs_initialized == 0) {
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ubifs_init();
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ubifs_initialized = 1;
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}
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ret = ubifs_mount(vol_name);
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if (ret)
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return -1;
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ubifs_mounted = 1;
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return 0;
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}
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int ubifs_is_mounted(void)
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{
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return ubifs_mounted;
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}
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void cmd_ubifs_umount(void)
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{
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if (ubifs_sb) {
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printf("Unmounting UBIFS volume %s!\n",
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((struct ubifs_info *)(ubifs_sb->s_fs_info))->vi.name);
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ubifs_umount(ubifs_sb->s_fs_info);
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}
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ubifs_sb = NULL;
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ubifs_mounted = 0;
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ubifs_initialized = 0;
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}
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int do_ubifs_umount(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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if (argc != 1)
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return CMD_RET_USAGE;
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if (ubifs_initialized == 0) {
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printf("No UBIFS volume mounted!\n");
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return -1;
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}
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cmd_ubifs_umount();
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return 0;
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}
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int do_ubifs_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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char *filename = "/";
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int ret;
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if (!ubifs_mounted) {
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printf("UBIFS not mounted, use ubifsmount to mount volume first!\n");
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return -1;
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}
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if (argc == 2)
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filename = argv[1];
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debug("Using filename %s\n", filename);
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ret = ubifs_ls(filename);
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if (ret) {
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printf("** File not found %s **\n", filename);
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ret = CMD_RET_FAILURE;
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}
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return ret;
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}
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int do_ubifs_load(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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char *filename;
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char *endp;
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int ret;
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u32 addr;
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u32 size = 0;
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if (!ubifs_mounted) {
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printf("UBIFS not mounted, use ubifs mount to mount volume first!\n");
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return -1;
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}
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if (argc < 3)
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return CMD_RET_USAGE;
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addr = simple_strtoul(argv[1], &endp, 16);
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if (endp == argv[1])
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return CMD_RET_USAGE;
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filename = argv[2];
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if (argc == 4) {
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size = simple_strtoul(argv[3], &endp, 16);
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if (endp == argv[3])
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return CMD_RET_USAGE;
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}
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debug("Loading file '%s' to address 0x%08x (size %d)\n", filename, addr, size);
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ret = ubifs_load(filename, addr, size);
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if (ret) {
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printf("** File not found %s **\n", filename);
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ret = CMD_RET_FAILURE;
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}
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return ret;
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}
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U_BOOT_CMD(
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ubifsmount, 2, 0, do_ubifs_mount,
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"mount UBIFS volume",
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"<volume-name>\n"
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" - mount 'volume-name' volume"
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);
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U_BOOT_CMD(
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ubifsumount, 1, 0, do_ubifs_umount,
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"unmount UBIFS volume",
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" - unmount current volume"
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);
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U_BOOT_CMD(
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ubifsls, 2, 0, do_ubifs_ls,
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"list files in a directory",
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"[directory]\n"
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" - list files in a 'directory' (default '/')"
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);
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U_BOOT_CMD(
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ubifsload, 4, 0, do_ubifs_load,
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"load file from an UBIFS filesystem",
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"<addr> <filename> [bytes]\n"
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" - load file 'filename' to address 'addr'"
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);
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