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