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# short-description: Create an image for eMMC
# long-description: Creates an eMMC card image for the User Data Area that can
# be used with the Aspeed SoC family.
#
# Assumes a minimum flash size of 16GB.
# Assumes U-Boot is stored elsewhere, such as an eMMC boot volume or NOR flash.
#
# --- - ----- -------- -------- -------- -------- ------ -------- -------
# |GPT| | env | boot-a | boot-b | rofs-a | rofs-b | rwfs | hostfw |GPT-sec|
# --- - ----- -------- -------- -------- -------- ------ -------- -------
# ^ 1MB 64MB 64MB 1GB 1GB 7GB 5GB
# |
# 0x5000
#
# Primary GPT size (Beginning of image):
# 512B (Protective MBR) + 512B (Primary Header) + 16KB (Primary Table)
# First partition (u-boot-env) is 4K-aligned, which puts it at offset 0x5000
#
# Secondary GPT size (End of image):
# 16KB (Secondary Table) + 512B (Secondary Header)
bootloader --ptable gpt
part --align 4 --fixed-size 1M --source rawcopy --sourceparams="file=${DEPLOY_DIR_IMAGE}/u-boot-env.bin"
part --fstype=ext4 --fixed-size 64M --source bootimg-partition --label boot-a
part --fstype=ext4 --fixed-size 64M --source bootimg-partition --label boot-b
part --fstype=ext4 --fixed-size 1G --source rootfs --label rofs-a
part --fstype=ext4 --fixed-size 1G --source rootfs --label rofs-b
part --fstype=ext4 --fixed-size 7G --label rwfs
part --fstype=ext4 --fixed-size ${WKS_HOSTFW_SIZE} --source rootfs --rootfs-dir=${DEPLOY_DIR_IMAGE}/hostfw/image/ --label hostfw
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