From e5bf9878ea743564bcc7a15a79654fe06731a1e2 Mon Sep 17 00:00:00 2001 From: Steve Rae Date: Tue, 26 Aug 2014 11:47:30 -0700 Subject: [PATCH] usb/gadget: fastboot: implement sparse format - add capability to "fastboot flash" with sparse format images Signed-off-by: Steve Rae Acked-by: Lukasz Majewski --- common/Makefile | 1 + common/fb_mmc.c | 32 ++++++++++++++++++++++---------- 2 files changed, 23 insertions(+), 10 deletions(-) diff --git a/common/Makefile b/common/Makefile index 443e54cb82..66c4f2f189 100644 --- a/common/Makefile +++ b/common/Makefile @@ -266,6 +266,7 @@ obj-y += stdio.o # This option is not just y/n - it can have a numeric value ifdef CONFIG_FASTBOOT_FLASH_MMC_DEV +obj-y += aboot.o obj-y += fb_mmc.o endif diff --git a/common/fb_mmc.c b/common/fb_mmc.c index 14d39825b7..fb06d8a557 100644 --- a/common/fb_mmc.c +++ b/common/fb_mmc.c @@ -7,16 +7,24 @@ #include #include #include +#include +#include /* The 64 defined bytes plus the '\0' */ #define RESPONSE_LEN (64 + 1) static char *response_str; -static void fastboot_resp(const char *s) +void fastboot_fail(const char *s) { - strncpy(response_str, s, RESPONSE_LEN); - response_str[RESPONSE_LEN - 1] = '\0'; + strncpy(response_str, "FAIL", 4); + strncat(response_str, s, RESPONSE_LEN - 4 - 1); +} + +void fastboot_okay(const char *s) +{ + strncpy(response_str, "OKAY", 4); + strncat(response_str, s, RESPONSE_LEN - 4 - 1); } static void write_raw_image(block_dev_desc_t *dev_desc, disk_partition_t *info, @@ -32,7 +40,7 @@ static void write_raw_image(block_dev_desc_t *dev_desc, disk_partition_t *info, if (blkcnt > info->size) { error("too large for partition: '%s'\n", part_name); - fastboot_resp("FAILtoo large for partition"); + fastboot_fail("too large for partition"); return; } @@ -42,13 +50,13 @@ static void write_raw_image(block_dev_desc_t *dev_desc, disk_partition_t *info, buffer); if (blks != blkcnt) { error("failed writing to device %d\n", dev_desc->dev); - fastboot_resp("FAILfailed writing to device"); + fastboot_fail("failed writing to device"); return; } printf("........ wrote " LBAFU " bytes to '%s'\n", blkcnt * info->blksz, part_name); - fastboot_resp("OKAY"); + fastboot_okay(""); } void fb_mmc_flash_write(const char *cmd, void *download_buffer, @@ -64,17 +72,21 @@ void fb_mmc_flash_write(const char *cmd, void *download_buffer, 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_resp("FAILinvalid mmc device"); + fastboot_fail("invalid mmc device"); return; } ret = get_partition_info_efi_by_name(dev_desc, cmd, &info); if (ret) { error("cannot find partition: '%s'\n", cmd); - fastboot_resp("FAILcannot find partition"); + fastboot_fail("cannot find partition"); return; } - write_raw_image(dev_desc, &info, cmd, download_buffer, - download_bytes); + 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); } -- 2.39.5