Esempio n. 1
0
void fb_mmc_flash_write(const char *cmd, void *download_buffer,
			unsigned int download_bytes)
{
	struct blk_desc *dev_desc;
	disk_partition_t info;

	dev_desc = blk_get_dev("mmc", CONFIG_FASTBOOT_FLASH_MMC_DEV);
	if (!dev_desc || dev_desc->type == DEV_TYPE_UNKNOWN) {
		error("invalid mmc device\n");
		fastboot_fail("invalid mmc device");
		return;
	}

	if (strcmp(cmd, CONFIG_FASTBOOT_GPT_NAME) == 0) {
		printf("%s: updating MBR, Primary and Backup GPT(s)\n",
		       __func__);
		if (is_valid_gpt_buf(dev_desc, download_buffer)) {
			printf("%s: invalid GPT - refusing to write to flash\n",
			       __func__);
			fastboot_fail("invalid GPT partition");
			return;
		}
		if (write_mbr_and_gpt_partitions(dev_desc, download_buffer)) {
			printf("%s: writing GPT partitions failed\n", __func__);
			fastboot_fail(
				      "writing GPT partitions failed");
			return;
		}
		printf("........ success\n");
		fastboot_okay("");
		return;
	} else if (part_get_info_efi_by_name_or_alias(dev_desc, cmd, &info)) {
		error("cannot find partition: '%s'\n", cmd);
		fastboot_fail("cannot find partition");
		return;
	}

	if (is_sparse_image(download_buffer)) {
		struct fb_mmc_sparse sparse_priv;
		struct sparse_storage sparse;

		sparse_priv.dev_desc = dev_desc;

		sparse.blksz = info.blksz;
		sparse.start = info.start;
		sparse.size = info.size;
		sparse.write = fb_mmc_sparse_write;
		sparse.reserve = fb_mmc_sparse_reserve;

		printf("Flashing sparse image at offset " LBAFU "\n",
		       sparse.start);

		sparse.priv = &sparse_priv;
		write_sparse_image(&sparse, cmd, download_buffer,
				   download_bytes);
	} else {
		write_raw_image(dev_desc, &info, cmd, download_buffer,
				download_bytes);
	}
}
Esempio n. 2
0
void fb_mmc_flash_write(const char *cmd, void *download_buffer,
			unsigned int download_bytes, char *response)
{
	block_dev_desc_t *dev_desc;
	disk_partition_t info;

	/* initialize the response buffer */
	response_str = response;

	dev_desc = get_dev("mmc", CONFIG_FASTBOOT_FLASH_MMC_DEV);
	if (!dev_desc || dev_desc->type == DEV_TYPE_UNKNOWN) {
		error("invalid mmc device\n");
		fastboot_fail("invalid mmc device");
		return;
	}

	if (strcmp(cmd, CONFIG_FASTBOOT_GPT_NAME) == 0) {
		printf("%s: updating MBR, Primary and Backup GPT(s)\n",
		       __func__);
		if (is_valid_gpt_buf(dev_desc, download_buffer)) {
			printf("%s: invalid GPT - refusing to write to flash\n",
			       __func__);
			fastboot_fail("invalid GPT partition");
			return;
		}
		if (write_mbr_and_gpt_partitions(dev_desc, download_buffer)) {
			printf("%s: writing GPT partitions failed\n", __func__);
			fastboot_fail("writing GPT partitions failed");
			return;
		}
		printf("........ success\n");
		fastboot_okay("");
		return;
	} else if (get_partition_info_efi_by_name(dev_desc, cmd, &info)) {
		error("cannot find partition: '%s'\n", cmd);
		fastboot_fail("cannot find partition");
		return;
	}

	if (is_sparse_image(download_buffer))
		write_sparse_image(dev_desc, &info, cmd, download_buffer,
				   download_bytes);
	else
		write_raw_image(dev_desc, &info, cmd, download_buffer,
				download_bytes);
}