ubifs.c
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/*
* (C) Copyright 2008
* Stefan Roese, DENX Software Engineering, sr@denx.de.
*
* SPDX-License-Identifier: GPL-2.0+
*/
/*
* UBIFS command support
*/
#undef DEBUG
#include <common.h>
#include <config.h>
#include <command.h>
#include <ubifs_uboot.h>
static int ubifs_initialized;
static int ubifs_mounted;
static int do_ubifs_mount(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
{
char *vol_name;
int ret;
if (argc != 2)
return CMD_RET_USAGE;
vol_name = argv[1];
debug("Using volume %s\n", vol_name);
if (ubifs_initialized == 0) {
ubifs_init();
ubifs_initialized = 1;
}
ret = uboot_ubifs_mount(vol_name);
if (ret)
return -1;
ubifs_mounted = 1;
return 0;
}
int ubifs_is_mounted(void)
{
return ubifs_mounted;
}
void cmd_ubifs_umount(void)
{
uboot_ubifs_umount();
ubifs_mounted = 0;
ubifs_initialized = 0;
}
static int do_ubifs_umount(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
{
if (argc != 1)
return CMD_RET_USAGE;
if (ubifs_initialized == 0) {
printf("No UBIFS volume mounted!\n");
return -1;
}
cmd_ubifs_umount();
return 0;
}
static int do_ubifs_ls(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
{
char *filename = "/";
int ret;
if (!ubifs_mounted) {
printf("UBIFS not mounted, use ubifsmount to mount volume first!\n");
return -1;
}
if (argc == 2)
filename = argv[1];
debug("Using filename %s\n", filename);
ret = ubifs_ls(filename);
if (ret) {
printf("** File not found %s **\n", filename);
ret = CMD_RET_FAILURE;
}
return ret;
}
static int do_ubifs_load(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
{
char *filename;
char *endp;
int ret;
u32 addr;
u32 size = 0;
if (!ubifs_mounted) {
printf("UBIFS not mounted, use ubifs mount to mount volume first!\n");
return -1;
}
if (argc < 3)
return CMD_RET_USAGE;
addr = simple_strtoul(argv[1], &endp, 16);
if (endp == argv[1])
return CMD_RET_USAGE;
filename = argv[2];
if (argc == 4) {
size = simple_strtoul(argv[3], &endp, 16);
if (endp == argv[3])
return CMD_RET_USAGE;
}
debug("Loading file '%s' to address 0x%08x (size %d)\n", filename, addr, size);
ret = ubifs_load(filename, addr, size);
if (ret) {
printf("** File not found %s **\n", filename);
ret = CMD_RET_FAILURE;
}
return ret;
}
U_BOOT_CMD(
ubifsmount, 2, 0, do_ubifs_mount,
"mount UBIFS volume",
"<volume-name>\n"
" - mount 'volume-name' volume"
);
U_BOOT_CMD(
ubifsumount, 1, 0, do_ubifs_umount,
"unmount UBIFS volume",
" - unmount current volume"
);
U_BOOT_CMD(
ubifsls, 2, 0, do_ubifs_ls,
"list files in a directory",
"[directory]\n"
" - list files in a 'directory' (default '/')"
);
U_BOOT_CMD(
ubifsload, 4, 0, do_ubifs_load,
"load file from an UBIFS filesystem",
"<addr> <filename> [bytes]\n"
" - load file 'filename' to address 'addr'"
);