usb/gadget: fastboot: implement sparse format
- add capability to "fastboot flash" with sparse format images
Signed-off-by: Steve Rae <srae@broadcom.com>
Acked-by: Lukasz Majewski <l.majewski@samsung.com>
diff --git a/common/fb_mmc.c b/common/fb_mmc.c
index 14d3982..fb06d8a 100644
--- a/common/fb_mmc.c
+++ b/common/fb_mmc.c
@@ -7,18 +7,26 @@
#include <common.h>
#include <fb_mmc.h>
#include <part.h>
+#include <aboot.h>
+#include <sparse_format.h>
/* 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,
const char *part_name, void *buffer,
unsigned int download_bytes)
@@ -32,7 +40,7 @@
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 @@
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 @@
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);
}