- 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 base 10 format */
- file_size = simple_strtoul(argv[5], NULL, 10);
-
- /* 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;