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Diffstat (limited to 'qemu/roms/u-boot/common/cmd_ext4.c')
-rw-r--r--qemu/roms/u-boot/common/cmd_ext4.c125
1 files changed, 125 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/common/cmd_ext4.c b/qemu/roms/u-boot/common/cmd_ext4.c
new file mode 100644
index 000000000..68b047ba6
--- /dev/null
+++ b/qemu/roms/u-boot/common/cmd_ext4.c
@@ -0,0 +1,125 @@
+/*
+ * (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>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+/*
+ * 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 <ext4fs.h>
+#include <linux/stat.h>
+#include <malloc.h>
+#include <fs.h>
+
+#if defined(CONFIG_CMD_USB) && defined(CONFIG_USB_STORAGE)
+#include <usb.h>
+#endif
+
+int do_ext4_load(cmd_tbl_t *cmdtp, int flag, int argc,
+ char *const argv[])
+{
+ return do_load(cmdtp, flag, argc, argv, FS_TYPE_EXT);
+}
+
+int do_ext4_ls(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
+{
+ return do_ls(cmdtp, flag, argc, argv, FS_TYPE_EXT);
+}
+
+#if defined(CONFIG_CMD_EXT4_WRITE)
+int do_ext4_write(cmd_tbl_t *cmdtp, int flag, int argc,
+ char *const argv[])
+{
+ const char *filename = "/";
+ int dev, part;
+ unsigned long ram_address;
+ unsigned long file_size;
+ disk_partition_t info;
+ block_dev_desc_t *dev_desc;
+
+ if (argc < 6)
+ return cmd_usage(cmdtp);
+
+ part = get_device_and_partition(argv[1], argv[2], &dev_desc, &info, 1);
+ if (part < 0)
+ return 1;
+
+ dev = dev_desc->dev;
+
+ /* get the filename */
+ filename = argv[4];
+
+ /* get the address in hexadecimal format (string to int) */
+ ram_address = simple_strtoul(argv[3], NULL, 16);
+
+ /* get the filesize in hexadecimal format */
+ file_size = simple_strtoul(argv[5], NULL, 16);
+
+ /* set the device as block device */
+ ext4fs_set_blk_dev(dev_desc, &info);
+
+ /* mount the filesystem */
+ if (!ext4fs_mount(info.size)) {
+ printf("Bad ext4 partition %s %d:%d\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();
+
+ return 0;
+
+fail:
+ ext4fs_close();
+
+ return 1;
+}
+
+U_BOOT_CMD(ext4write, 6, 1, do_ext4_write,
+ "create a file in the root directory",
+ "<interface> <dev[:part]> <addr> <absolute filename path> [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");