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https://github.com/linux-sunxi/meta-sunxi.git
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418ea17239
The comment says ext3 but the code says ext4, so fix the comment. Signed-off-by: Martin Kelly <mkelly@xevo.com>
125 lines
4.7 KiB
Plaintext
125 lines
4.7 KiB
Plaintext
inherit image_types
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#
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# Create an image that can by written onto a SD card using dd.
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# Originally written for rasberrypi adapt for the needs of allwinner sunxi based boards
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#
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# The disk layout used is:
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#
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# 0 -> 8*1024 - reserverd
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# 8*1024 -> - arm combined spl/u-boot or aarch64 spl
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# 40*1024 -> - aarch64 u-boot
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# 2048*1024 -> BOOT_SPACE - bootloader and kernel
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#
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#
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# This image depends on the rootfs image
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IMAGE_TYPEDEP_sunxi-sdimg = "${SDIMG_ROOTFS_TYPE}"
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# Boot partition volume id
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BOOTDD_VOLUME_ID ?= "${MACHINE}"
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# Boot partition size [in KiB]
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BOOT_SPACE ?= "40960"
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# First partition begin at sector 2048 : 2048*1024 = 2097152
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IMAGE_ROOTFS_ALIGNMENT = "2048"
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# Use an uncompressed ext4 by default as rootfs
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SDIMG_ROOTFS_TYPE ?= "ext4"
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SDIMG_ROOTFS = "${IMGDEPLOYDIR}/${IMAGE_NAME}.rootfs.${SDIMG_ROOTFS_TYPE}"
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do_image_sunxi_sdimg[depends] += " \
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parted-native:do_populate_sysroot \
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mtools-native:do_populate_sysroot \
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dosfstools-native:do_populate_sysroot \
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virtual/kernel:do_deploy \
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virtual/bootloader:do_deploy \
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"
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# SD card image name
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SDIMG = "${IMGDEPLOYDIR}/${IMAGE_NAME}.rootfs.sunxi-sdimg"
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IMAGE_CMD_sunxi-sdimg () {
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# Align partitions
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BOOT_SPACE_ALIGNED=$(expr ${BOOT_SPACE} + ${IMAGE_ROOTFS_ALIGNMENT} - 1)
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BOOT_SPACE_ALIGNED=$(expr ${BOOT_SPACE_ALIGNED} - ${BOOT_SPACE_ALIGNED} % ${IMAGE_ROOTFS_ALIGNMENT})
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SDIMG_SIZE=$(expr ${IMAGE_ROOTFS_ALIGNMENT} + ${BOOT_SPACE_ALIGNED} + $ROOTFS_SIZE + ${IMAGE_ROOTFS_ALIGNMENT})
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# Initialize sdcard image file
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dd if=/dev/zero of=${SDIMG} bs=1 count=0 seek=$(expr 1024 \* ${SDIMG_SIZE})
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# Create partition table
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parted -s ${SDIMG} mklabel msdos
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# Create boot partition and mark it as bootable
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parted -s ${SDIMG} unit KiB mkpart primary fat32 ${IMAGE_ROOTFS_ALIGNMENT} $(expr ${BOOT_SPACE_ALIGNED} \+ ${IMAGE_ROOTFS_ALIGNMENT})
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parted -s ${SDIMG} set 1 boot on
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# Create rootfs partition
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parted -s ${SDIMG} unit KiB mkpart primary ext2 $(expr ${BOOT_SPACE_ALIGNED} \+ ${IMAGE_ROOTFS_ALIGNMENT}) $(expr ${BOOT_SPACE_ALIGNED} \+ ${IMAGE_ROOTFS_ALIGNMENT} \+ ${ROOTFS_SIZE})
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parted ${SDIMG} print
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# Create a vfat image with boot files
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BOOT_BLOCKS=$(LC_ALL=C parted -s ${SDIMG} unit b print | awk '/ 1 / { print substr($4, 1, length($4 -1)) / 512 /2 }')
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rm -f ${WORKDIR}/boot.img
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mkfs.vfat -n "${BOOTDD_VOLUME_ID}" -S 512 -C ${WORKDIR}/boot.img $BOOT_BLOCKS
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mcopy -i ${WORKDIR}/boot.img -s ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE}-${MACHINE}.bin ::${KERNEL_IMAGETYPE}
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# Copy device tree file
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if test -n "${KERNEL_DEVICETREE}"; then
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for DTS_FILE in ${KERNEL_DEVICETREE}; do
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DTS_BASE_NAME=`basename ${DTS_FILE} | awk -F "." '{print $1}'`
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DTS_DIR_NAME=`dirname ${DTS_FILE}`
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if [ -e ${DEPLOY_DIR_IMAGE}/"${KERNEL_IMAGETYPE}-${DTS_BASE_NAME}.dtb" ]; then
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if [ ${DTS_FILE} != ${DTS_BASE_NAME}.dtb ]; then
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mmd -i ${WORKDIR}/boot.img ::/${DTS_DIR_NAME}
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fi
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kernel_bin="`readlink ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE}-${MACHINE}.bin`"
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kernel_bin_for_dtb="`readlink ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE}-${DTS_BASE_NAME}.dtb | sed "s,$DTS_BASE_NAME,${MACHINE},g;s,\.dtb$,.bin,g"`"
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if [ $kernel_bin = $kernel_bin_for_dtb ]; then
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mcopy -i ${WORKDIR}/boot.img -s ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE}-${DTS_BASE_NAME}.dtb ::/${DTS_FILE}
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fi
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fi
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done
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fi
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if [ -e "${DEPLOY_DIR_IMAGE}/fex.bin" ]
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then
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mcopy -i ${WORKDIR}/boot.img -s ${DEPLOY_DIR_IMAGE}/fex.bin ::script.bin
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fi
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if [ -e "${DEPLOY_DIR_IMAGE}/boot.scr" ]
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then
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mcopy -i ${WORKDIR}/boot.img -s ${DEPLOY_DIR_IMAGE}/boot.scr ::boot.scr
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fi
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# Add stamp file
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echo "${IMAGE_NAME}" > ${WORKDIR}/image-version-info
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mcopy -i ${WORKDIR}/boot.img -v ${WORKDIR}/image-version-info ::
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# Burn Partitions
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dd if=${WORKDIR}/boot.img of=${SDIMG} conv=notrunc seek=1 bs=$(expr ${IMAGE_ROOTFS_ALIGNMENT} \* 1024) && sync && sync
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# If SDIMG_ROOTFS_TYPE is a .xz file use xzcat
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if echo "${SDIMG_ROOTFS_TYPE}" | egrep -q "*\.xz"
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then
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xzcat ${SDIMG_ROOTFS} | dd of=${SDIMG} conv=notrunc seek=1 bs=$(expr 1024 \* ${BOOT_SPACE_ALIGNED} + ${IMAGE_ROOTFS_ALIGNMENT} \* 1024) && sync && sync
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else
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dd if=${SDIMG_ROOTFS} of=${SDIMG} conv=notrunc seek=1 bs=$(expr 1024 \* ${BOOT_SPACE_ALIGNED} + ${IMAGE_ROOTFS_ALIGNMENT} \* 1024) && sync && sync
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fi
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# write u-boot-spl at the begining of sdcard in one shot
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SPL_FILE=$(basename ${SPL_BINARY})
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dd if=${DEPLOY_DIR_IMAGE}/${SPL_FILE} of=${SDIMG} bs=1024 seek=8 conv=notrunc
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}
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# write uboot.itb for arm64 boards
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IMAGE_CMD_sunxi-sdimg_append_sun50i () {
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if [ -e "${DEPLOY_DIR_IMAGE}/${UBOOT_BINARY}" ]
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then
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dd if=${DEPLOY_DIR_IMAGE}/${UBOOT_BINARY} of=${SDIMG} bs=1024 seek=40 conv=notrunc
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fi
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}
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