# short-description: Create SD card image for Beaglebone
# long-description: Creates a partitioned SD card image for Beaglebone.

# offset 1S => 1 sector (1x512 byte)
# The bootloader can be at 4 different position in raw mode: 0S, 256S, 512S, 768S
# MBR disk use only the sector 0, so 1S is free
# GPT disk use sector 0-33S, so first free slot is 256S
# Offset are from the BBB default settings
part --offset 256S --source rawcopy --sourceparams="file=MLO" --ondisk mmcblk0
part --offset 768S --source rawcopy --sourceparams="file=u-boot.img" --ondisk mmcblk0


# Let's define a 4MiB maximum size for the bootloader
# 4MiB => 4*1024*1024/512=8192S | 768S + 8192S => 8960S
${WKS_PART_EFI} --ondisk mmcblk0 --offset 8960S --align 1024 --size 32M --extra-space 0 --overhead-factor 1
${WKS_PART_ROOT_A} --ondisk mmcblk0 --size ${WKS_PART_ROOT_SIZE} --extra-space 0 --overhead-factor 1
${WKS_PART_ROOT_B} --ondisk mmcblk0 --size ${WKS_PART_ROOT_SIZE} --extra-space 0 --overhead-factor 1
${WKS_PART_EFIBOOTGUARD_A} --ondisk mmcblk0 --align 1024 --size 128M --extra-space 0 --overhead-factor 1
${WKS_PART_EFIBOOTGUARD_B} --ondisk mmcblk0 --align 1024 --size 128M --extra-space 0 --overhead-factor 1
bootloader --ptable gpt
