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-rw-r--r--common/Makefile6
-rw-r--r--common/cmd_ext2.c219
-rw-r--r--common/cmd_ext4.c237
-rw-r--r--common/cmd_ext_common.c259
4 files changed, 519 insertions, 202 deletions
diff --git a/common/Makefile b/common/Makefile
index 57da76f..22e8a6f 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -86,7 +86,13 @@ COBJS-$(CONFIG_ENV_IS_IN_EEPROM) += cmd_eeprom.o
COBJS-$(CONFIG_CMD_EEPROM) += cmd_eeprom.o
COBJS-$(CONFIG_CMD_ELF) += cmd_elf.o
COBJS-$(CONFIG_SYS_HUSH_PARSER) += cmd_exit.o
+COBJS-$(CONFIG_CMD_EXT4) += cmd_ext4.o
COBJS-$(CONFIG_CMD_EXT2) += cmd_ext2.o
+ifdef CONFIG_CMD_EXT4
+COBJS-y += cmd_ext_common.o
+else
+COBJS-$(CONFIG_CMD_EXT2) += cmd_ext_common.o
+endif
COBJS-$(CONFIG_CMD_FAT) += cmd_fat.o
COBJS-$(CONFIG_CMD_FDC)$(CONFIG_CMD_FDOS) += cmd_fdc.o
COBJS-$(CONFIG_OF_LIBFDT) += cmd_fdt.o fdt_support.o
diff --git a/common/cmd_ext2.c b/common/cmd_ext2.c
index 79b1e2f..c27d9c7 100644
--- a/common/cmd_ext2.c
+++ b/common/cmd_ext2.c
@@ -1,4 +1,9 @@
/*
+ * (C) Copyright 2011 - 2012 Samsung Electronics
+ * EXT4 filesystem implementation in Uboot by
+ * Uma Shankar <uma.shankar@samsung.com>
+ * Manjunatha C Achar <a.manjunatha@samsung.com>
+
* (C) Copyright 2004
* esd gmbh <www.esd-electronics.com>
* Reinhard Arlt <reinhard.arlt@esd-electronics.com>
@@ -33,225 +38,35 @@
* Ext2fs support
*/
#include <common.h>
-#include <part.h>
-#include <config.h>
-#include <command.h>
-#include <image.h>
-#include <linux/ctype.h>
-#include <asm/byteorder.h>
-#include <ext2fs.h>
-#if defined(CONFIG_CMD_USB) && defined(CONFIG_USB_STORAGE)
-#include <usb.h>
-#endif
-
-#if !defined(CONFIG_DOS_PARTITION) && !defined(CONFIG_EFI_PARTITION)
-#error DOS or EFI partition support must be selected
-#endif
-
-/* #define EXT2_DEBUG */
-
-#ifdef EXT2_DEBUG
-#define PRINTF(fmt,args...) printf (fmt ,##args)
-#else
-#define PRINTF(fmt,args...)
-#endif
+#include <ext_common.h>
int do_ext2ls (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
- char *filename = "/";
- int dev=0;
- int part=1;
- char *ep;
- block_dev_desc_t *dev_desc=NULL;
- int part_length;
-
- if (argc < 3)
- return CMD_RET_USAGE;
-
- dev = (int)simple_strtoul (argv[2], &ep, 16);
- dev_desc = get_dev(argv[1],dev);
-
- if (dev_desc == NULL) {
- printf ("\n** Block device %s %d not supported\n", argv[1], dev);
- return 1;
- }
-
- if (*ep) {
- if (*ep != ':') {
- puts ("\n** Invalid boot device, use `dev[:part]' **\n");
- return 1;
- }
- part = (int)simple_strtoul(++ep, NULL, 16);
- }
-
- if (argc == 4)
- filename = argv[3];
-
- PRINTF("Using device %s %d:%d, directory: %s\n", argv[1], dev, part, filename);
-
- if ((part_length = ext2fs_set_blk_dev(dev_desc, part)) == 0) {
- printf ("** Bad partition - %s %d:%d **\n", argv[1], dev, part);
- ext2fs_close();
- return 1;
- }
-
- if (!ext2fs_mount(part_length)) {
- printf ("** Bad ext2 partition or disk - %s %d:%d **\n", argv[1], dev, part);
- ext2fs_close();
- return 1;
- }
-
- if (ext2fs_ls (filename)) {
- printf ("** Error ext2fs_ls() **\n");
- ext2fs_close();
- return 1;
- };
-
- ext2fs_close();
+ if (do_ext_ls(cmdtp, flag, argc, argv))
+ return -1;
return 0;
}
-U_BOOT_CMD(
- ext2ls, 4, 1, do_ext2ls,
- "list files in a directory (default /)",
- "<interface> <dev[:part]> [directory]\n"
- " - list files from 'dev' on 'interface' in a 'directory'"
-);
-
/******************************************************************************
* Ext2fs boot command intepreter. Derived from diskboot
*/
int do_ext2load (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
- char *filename = NULL;
- char *ep;
- int dev, part = 1;
- ulong addr = 0, part_length;
- int filelen;
- disk_partition_t info;
- block_dev_desc_t *dev_desc = NULL;
- char buf [12];
- unsigned long count;
- char *addr_str;
-
- switch (argc) {
- case 3:
- addr_str = getenv("loadaddr");
- if (addr_str != NULL)
- addr = simple_strtoul (addr_str, NULL, 16);
- else
- addr = CONFIG_SYS_LOAD_ADDR;
-
- filename = getenv ("bootfile");
- count = 0;
- break;
- case 4:
- addr = simple_strtoul (argv[3], NULL, 16);
- filename = getenv ("bootfile");
- count = 0;
- break;
- case 5:
- addr = simple_strtoul (argv[3], NULL, 16);
- filename = argv[4];
- count = 0;
- break;
- case 6:
- addr = simple_strtoul (argv[3], NULL, 16);
- filename = argv[4];
- count = simple_strtoul (argv[5], NULL, 16);
- break;
-
- default:
- return CMD_RET_USAGE;
- }
-
- if (!filename) {
- puts ("** No boot file defined **\n");
- return 1;
- }
-
- dev = (int)simple_strtoul (argv[2], &ep, 16);
- dev_desc = get_dev(argv[1],dev);
- if (dev_desc==NULL) {
- printf ("** Block device %s %d not supported\n", argv[1], dev);
- return 1;
- }
- if (*ep) {
- if (*ep != ':') {
- puts ("** Invalid boot device, use `dev[:part]' **\n");
- return 1;
- }
- part = (int)simple_strtoul(++ep, NULL, 16);
- }
-
- PRINTF("Using device %s%d, partition %d\n", argv[1], dev, part);
-
- if (part != 0) {
- if (get_partition_info (dev_desc, part, &info)) {
- printf ("** Bad partition %d **\n", part);
- return 1;
- }
-
- if (strncmp((char *)info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) {
- printf ("** Invalid partition type \"%.32s\""
- " (expect \"" BOOT_PART_TYPE "\")\n",
- info.type);
- return 1;
- }
- printf ("Loading file \"%s\" "
- "from %s device %d:%d (%.32s)\n",
- filename,
- argv[1], dev, part, info.name);
- } else {
- printf ("Loading file \"%s\" from %s device %d\n",
- filename, argv[1], dev);
- }
-
-
- if ((part_length = ext2fs_set_blk_dev(dev_desc, part)) == 0) {
- printf ("** Bad partition - %s %d:%d **\n", argv[1], dev, part);
- ext2fs_close();
- return 1;
- }
-
- if (!ext2fs_mount(part_length)) {
- printf ("** Bad ext2 partition or disk - %s %d:%d **\n",
- argv[1], dev, part);
- ext2fs_close();
- return 1;
- }
-
- filelen = ext2fs_open(filename);
- if (filelen < 0) {
- printf("** File not found %s\n", filename);
- ext2fs_close();
- return 1;
- }
- if ((count < filelen) && (count != 0)) {
- filelen = count;
- }
-
- if (ext2fs_read((char *)addr, filelen) != filelen) {
- printf("** Unable to read \"%s\" from %s %d:%d **\n",
- filename, argv[1], dev, part);
- ext2fs_close();
- return 1;
- }
-
- ext2fs_close();
-
- /* Loading ok, update default load address */
- load_addr = addr;
-
- printf ("%d bytes read\n", filelen);
- sprintf(buf, "%X", filelen);
- setenv("filesize", buf);
+ if (do_ext_load(cmdtp, flag, argc, argv))
+ return -1;
return 0;
}
U_BOOT_CMD(
+ ext2ls, 4, 1, do_ext2ls,
+ "list files in a directory (default /)",
+ "<interface> <dev[:part]> [directory]\n"
+ " - list files from 'dev' on 'interface' in a 'directory'"
+);
+
+U_BOOT_CMD(
ext2load, 6, 0, do_ext2load,
"load binary file from a Ext2 filesystem",
"<interface> <dev[:part]> [addr] [filename] [bytes]\n"
diff --git a/common/cmd_ext4.c b/common/cmd_ext4.c
new file mode 100644
index 0000000..77094c4
--- /dev/null
+++ b/common/cmd_ext4.c
@@ -0,0 +1,237 @@
+/*
+ * (C) Copyright 2011 - 2012 Samsung Electronics
+ * EXT4 filesystem implementation in Uboot by
+ * Uma Shankar <uma.shankar@samsung.com>
+ * Manjunatha C Achar <a.manjunatha@samsung.com>
+ *
+ * Ext4fs support
+ * made from existing cmd_ext2.c file of Uboot
+ *
+ * (C) Copyright 2004
+ * esd gmbh <www.esd-electronics.com>
+ * Reinhard Arlt <reinhard.arlt@esd-electronics.com>
+ *
+ * made from cmd_reiserfs by
+ *
+ * (C) Copyright 2003 - 2004
+ * Sysgo Real-Time Solutions, AG <www.elinos.com>
+ * Pavel Bartusek <pba@sysgo.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ */
+
+/*
+ * Changelog:
+ * 0.1 - Newly created file for ext4fs support. Taken from cmd_ext2.c
+ * file in uboot. Added ext4fs ls load and write support.
+ */
+
+#include <common.h>
+#include <part.h>
+#include <config.h>
+#include <command.h>
+#include <image.h>
+#include <linux/ctype.h>
+#include <asm/byteorder.h>
+#include <ext_common.h>
+#include <ext4fs.h>
+#include <linux/stat.h>
+#include <malloc.h>
+
+#if defined(CONFIG_CMD_USB) && defined(CONFIG_USB_STORAGE)
+#include <usb.h>
+#endif
+
+#if !defined(CONFIG_DOS_PARTITION) && !defined(CONFIG_EFI_PARTITION)
+#error DOS or EFI partition support must be selected
+#endif
+
+uint64_t total_sector;
+uint64_t part_offset;
+#if defined(CONFIG_CMD_EXT4_WRITE)
+static uint64_t part_size;
+static uint16_t cur_part = 1;
+#endif
+
+#define DOS_PART_MAGIC_OFFSET 0x1fe
+#define DOS_FS_TYPE_OFFSET 0x36
+#define DOS_FS32_TYPE_OFFSET 0x52
+
+int do_ext4_load(cmd_tbl_t *cmdtp, int flag, int argc,
+ char *const argv[])
+{
+ if (do_ext_load(cmdtp, flag, argc, argv))
+ return -1;
+
+ return 0;
+}
+
+int do_ext4_ls(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
+{
+ if (do_ext_ls(cmdtp, flag, argc, argv))
+ return -1;
+
+ return 0;
+}
+
+#if defined(CONFIG_CMD_EXT4_WRITE)
+static int ext4_register_device(block_dev_desc_t *dev_desc, int part_no)
+{
+ unsigned char buffer[SECTOR_SIZE];
+ disk_partition_t info;
+
+ if (!dev_desc->block_read)
+ return -1;
+
+ /* check if we have a MBR (on floppies we have only a PBR) */
+ if (dev_desc->block_read(dev_desc->dev, 0, 1, (ulong *) buffer) != 1) {
+ printf("** Can't read from device %d **\n", dev_desc->dev);
+ return -1;
+ }
+ if (buffer[DOS_PART_MAGIC_OFFSET] != 0x55 ||
+ buffer[DOS_PART_MAGIC_OFFSET + 1] != 0xaa) {
+ /* no signature found */
+ return -1;
+ }
+
+ /* First we assume there is a MBR */
+ if (!get_partition_info(dev_desc, part_no, &info)) {
+ part_offset = info.start;
+ cur_part = part_no;
+ part_size = info.size;
+ } else if ((strncmp((char *)&buffer[DOS_FS_TYPE_OFFSET],
+ "FAT", 3) == 0) || (strncmp((char *)&buffer
+ [DOS_FS32_TYPE_OFFSET],
+ "FAT32", 5) == 0)) {
+ /* ok, we assume we are on a PBR only */
+ cur_part = 1;
+ part_offset = 0;
+ } else {
+ printf("** Partition %d not valid on device %d **\n",
+ part_no, dev_desc->dev);
+ return -1;
+ }
+
+ return 0;
+}
+
+int do_ext4_write(cmd_tbl_t *cmdtp, int flag, int argc,
+ char *const argv[])
+{
+ const char *filename = "/";
+ int part_length;
+ unsigned long part = 1;
+ int dev;
+ char *ep;
+ unsigned long ram_address;
+ unsigned long file_size;
+ disk_partition_t info;
+ struct ext_filesystem *fs;
+
+ if (argc < 6)
+ return cmd_usage(cmdtp);
+
+ dev = (int)simple_strtoul(argv[2], &ep, 16);
+ ext4_dev_desc = get_dev(argv[1], dev);
+ if (ext4_dev_desc == NULL) {
+ printf("Block device %s %d not supported\n", argv[1], dev);
+ return 1;
+ }
+ if (init_fs(ext4_dev_desc))
+ return 1;
+
+ fs = get_fs();
+ if (*ep) {
+ if (*ep != ':') {
+ puts("Invalid boot device, use `dev[:part]'\n");
+ goto fail;
+ }
+ part = simple_strtoul(++ep, NULL, 16);
+ }
+
+ /* get the filename */
+ filename = argv[3];
+
+ /* get the address in hexadecimal format (string to int) */
+ ram_address = simple_strtoul(argv[4], NULL, 16);
+
+ /* get the filesize in base 10 format */
+ file_size = simple_strtoul(argv[5], NULL, 10);
+
+ /* set the device as block device */
+ part_length = ext4fs_set_blk_dev(fs->dev_desc, part);
+ if (part_length == 0) {
+ printf("Bad partition - %s %d:%lu\n", argv[1], dev, part);
+ goto fail;
+ }
+
+ /* register the device and partition */
+ if (ext4_register_device(fs->dev_desc, part) != 0) {
+ printf("Unable to use %s %d:%lu for fattable\n",
+ argv[1], dev, part);
+ goto fail;
+ }
+
+ /* get the partition information */
+ if (!get_partition_info(fs->dev_desc, part, &info)) {
+ total_sector = (info.size * info.blksz) / SECTOR_SIZE;
+ fs->total_sect = total_sector;
+ } else {
+ printf("error : get partition info\n");
+ goto fail;
+ }
+
+ /* mount the filesystem */
+ if (!ext4fs_mount(part_length)) {
+ printf("Bad ext4 partition %s %d:%lu\n", argv[1], dev, part);
+ goto fail;
+ }
+
+ /* start write */
+ if (ext4fs_write(filename, (unsigned char *)ram_address, file_size)) {
+ printf("** Error ext4fs_write() **\n");
+ goto fail;
+ }
+ ext4fs_close();
+ deinit_fs(fs->dev_desc);
+
+ return 0;
+
+fail:
+ ext4fs_close();
+ deinit_fs(fs->dev_desc);
+
+ return 1;
+}
+
+U_BOOT_CMD(ext4write, 6, 1, do_ext4_write,
+ "create a file in the root directory",
+ "<interface> <dev[:part]> [Absolute filename path] [Address] [sizebytes]\n"
+ " - create a file in / directory");
+
+#endif
+
+U_BOOT_CMD(ext4ls, 4, 1, do_ext4_ls,
+ "list files in a directory (default /)",
+ "<interface> <dev[:part]> [directory]\n"
+ " - list files from 'dev' on 'interface' in a 'directory'");
+
+U_BOOT_CMD(ext4load, 6, 0, do_ext4_load,
+ "load binary file from a Ext4 filesystem",
+ "<interface> <dev[:part]> [addr] [filename] [bytes]\n"
+ " - load binary file 'filename' from 'dev' on 'interface'\n"
+ " to address 'addr' from ext4 filesystem");
diff --git a/common/cmd_ext_common.c b/common/cmd_ext_common.c
new file mode 100644
index 0000000..56ee9a5
--- /dev/null
+++ b/common/cmd_ext_common.c
@@ -0,0 +1,259 @@
+/*
+ * (C) Copyright 2011 - 2012 Samsung Electronics
+ * EXT2/4 filesystem implementation in Uboot by
+ * Uma Shankar <uma.shankar@samsung.com>
+ * Manjunatha C Achar <a.manjunatha@samsung.com>
+ *
+ * Ext4fs support
+ * made from existing cmd_ext2.c file of Uboot
+ *
+ * (C) Copyright 2004
+ * esd gmbh <www.esd-electronics.com>
+ * Reinhard Arlt <reinhard.arlt@esd-electronics.com>
+ *
+ * made from cmd_reiserfs by
+ *
+ * (C) Copyright 2003 - 2004
+ * Sysgo Real-Time Solutions, AG <www.elinos.com>
+ * Pavel Bartusek <pba@sysgo.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ */
+
+/*
+ * Changelog:
+ * 0.1 - Newly created file for ext4fs support. Taken from cmd_ext2.c
+ * file in uboot. Added ext4fs ls load and write support.
+ */
+
+#include <common.h>
+#include <part.h>
+#include <config.h>
+#include <command.h>
+#include <image.h>
+#include <linux/ctype.h>
+#include <asm/byteorder.h>
+#include <ext_common.h>
+#include <ext4fs.h>
+#include <linux/stat.h>
+#include <malloc.h>
+
+#if defined(CONFIG_CMD_USB) && defined(CONFIG_USB_STORAGE)
+#include <usb.h>
+#endif
+
+#if !defined(CONFIG_DOS_PARTITION) && !defined(CONFIG_EFI_PARTITION)
+#error DOS or EFI partition support must be selected
+#endif
+
+#define DOS_PART_MAGIC_OFFSET 0x1fe
+#define DOS_FS_TYPE_OFFSET 0x36
+#define DOS_FS32_TYPE_OFFSET 0x52
+
+int do_ext_load(cmd_tbl_t *cmdtp, int flag, int argc,
+ char *const argv[])
+{
+ char *filename = NULL;
+ char *ep;
+ int dev;
+ unsigned long part = 1;
+ ulong addr = 0;
+ ulong part_length;
+ int filelen;
+ disk_partition_t info;
+ struct ext_filesystem *fs;
+ char buf[12];
+ unsigned long count;
+ const char *addr_str;
+
+ count = 0;
+ addr = simple_strtoul(argv[3], NULL, 16);
+ filename = getenv("bootfile");
+ switch (argc) {
+ case 3:
+ addr_str = getenv("loadaddr");
+ if (addr_str != NULL)
+ addr = simple_strtoul(addr_str, NULL, 16);
+ else
+ addr = CONFIG_SYS_LOAD_ADDR;
+
+ break;
+ case 4:
+ break;
+ case 5:
+ filename = argv[4];
+ break;
+ case 6:
+ filename = argv[4];
+ count = simple_strtoul(argv[5], NULL, 16);
+ break;
+
+ default:
+ return cmd_usage(cmdtp);
+ }
+
+ if (!filename) {
+ puts("** No boot file defined **\n");
+ return 1;
+ }
+
+ dev = (int)simple_strtoul(argv[2], &ep, 16);
+ ext4_dev_desc = get_dev(argv[1], dev);
+ if (ext4_dev_desc == NULL) {
+ printf("** Block device %s %d not supported\n", argv[1], dev);
+ return 1;
+ }
+ if (init_fs(ext4_dev_desc))
+ return 1;
+
+ fs = get_fs();
+ if (*ep) {
+ if (*ep != ':') {
+ puts("** Invalid boot device, use `dev[:part]' **\n");
+ goto fail;
+ }
+ part = simple_strtoul(++ep, NULL, 16);
+ }
+
+ if (part != 0) {
+ if (get_partition_info(fs->dev_desc, part, &info)) {
+ printf("** Bad partition %lu **\n", part);
+ goto fail;
+ }
+
+ if (strncmp((char *)info.type, BOOT_PART_TYPE,
+ strlen(BOOT_PART_TYPE)) != 0) {
+ printf("** Invalid partition type \"%s\""
+ " (expect \"" BOOT_PART_TYPE "\")\n", info.type);
+ goto fail;
+ }
+ printf("Loading file \"%s\" "
+ "from %s device %d:%lu %s\n",
+ filename, argv[1], dev, part, info.name);
+ } else {
+ printf("Loading file \"%s\" from %s device %d\n",
+ filename, argv[1], dev);
+ }
+
+ part_length = ext4fs_set_blk_dev(fs->dev_desc, part);
+ if (part_length == 0) {
+ printf("**Bad partition - %s %d:%lu **\n", argv[1], dev, part);
+ ext4fs_close();
+ goto fail;
+ }
+
+ if (!ext4fs_mount(part_length)) {
+ printf("** Bad ext2 partition or disk - %s %d:%lu **\n",
+ argv[1], dev, part);
+ ext4fs_close();
+ goto fail;
+ }
+
+ filelen = ext4fs_open(filename);
+ if (filelen < 0) {
+ printf("** File not found %s\n", filename);
+ ext4fs_close();
+ goto fail;
+ }
+ if ((count < filelen) && (count != 0))
+ filelen = count;
+
+ if (ext4fs_read((char *)addr, filelen) != filelen) {
+ printf("** Unable to read \"%s\" from %s %d:%lu **\n",
+ filename, argv[1], dev, part);
+ ext4fs_close();
+ goto fail;
+ }
+
+ ext4fs_close();
+ deinit_fs(fs->dev_desc);
+ /* Loading ok, update default load address */
+ load_addr = addr;
+
+ printf("%d bytes read\n", filelen);
+ sprintf(buf, "%X", filelen);
+ setenv("filesize", buf);
+
+ return 0;
+fail:
+ deinit_fs(fs->dev_desc);
+ return 1;
+}
+
+int do_ext_ls(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
+{
+ const char *filename = "/";
+ int dev;
+ unsigned long part = 1;
+ char *ep;
+ struct ext_filesystem *fs;
+ int part_length;
+ if (argc < 3)
+ return cmd_usage(cmdtp);
+
+ dev = (int)simple_strtoul(argv[2], &ep, 16);
+
+ ext4_dev_desc = get_dev(argv[1], dev);
+
+ if (ext4_dev_desc == NULL) {
+ printf("\n** Block device %s %d not supported\n", argv[1], dev);
+ return 1;
+ }
+
+ if (init_fs(ext4_dev_desc))
+ return 1;
+
+ fs = get_fs();
+ if (*ep) {
+ if (*ep != ':') {
+ puts("\n** Invalid boot device, use `dev[:part]' **\n");
+ goto fail;
+ }
+ part = simple_strtoul(++ep, NULL, 16);
+ }
+
+ if (argc == 4)
+ filename = argv[3];
+
+ part_length = ext4fs_set_blk_dev(fs->dev_desc, part);
+ if (part_length == 0) {
+ printf("** Bad partition - %s %d:%lu **\n", argv[1], dev, part);
+ ext4fs_close();
+ goto fail;
+ }
+
+ if (!ext4fs_mount(part_length)) {
+ printf("** Bad ext2 partition or disk - %s %d:%lu **\n",
+ argv[1], dev, part);
+ ext4fs_close();
+ goto fail;
+ }
+
+ if (ext4fs_ls(filename)) {
+ printf("** Error extfs_ls() **\n");
+ ext4fs_close();
+ goto fail;
+ };
+
+ ext4fs_close();
+ deinit_fs(fs->dev_desc);
+ return 0;
+
+fail:
+ deinit_fs(fs->dev_desc);
+ return 1;
+}