meta-agl-bsp/classes/sdcard_image-rpi-gdp.bbclass

   1 inherit sdcard_image-rpi
   2
   3 IMAGE_CMD_rpi-sdimg () {
   4
   5         # Get rootfs size
   6         if echo "${SDIMG_ROOTFS_TYPE}" | egrep -q "*\.xz"
   7         then
   8                 ROOTPART_SIZE=`xz -l --robot ${SDIMG_ROOTFS} | grep "^file" | cut -f`
   9         else
  10                 ROOTPART_SIZE=`du -Lb ${SDIMG_ROOTFS} | cut -f1`
  11         fi
  12
  13         ROOTPART_SIZE=$(expr ${ROOTPART_SIZE} / 1024)
  14
  15         # just in case our file system block size is not a multiple of 1KiB
  16         if [ $(expr ${ROOTPART_SIZE} % 1024) != 0 ];
  17         then
  18                 ROOTPART_SIZE=$(expr ${ROOTPART_SIZE} + 1)
  19         fi
  20
  21         # Align partitions
  22         BOOT_SPACE_ALIGNED=$(expr ${BOOT_SPACE} + ${IMAGE_ROOTFS_ALIGNMENT} - 1)
  23         BOOT_SPACE_ALIGNED=$(expr ${BOOT_SPACE_ALIGNED} - ${BOOT_SPACE_ALIGNED} % ${IMAGE_ROOTFS_ALIGNMENT})
  24         SDIMG_SIZE=$(expr ${IMAGE_ROOTFS_ALIGNMENT} + ${BOOT_SPACE_ALIGNED} + $ROOTPART_SIZE)
  25
  26         echo "Creating filesystem with Boot partition ${BOOT_SPACE_ALIGNED} KiB and RootFS $ROOTPART_SIZE KiB"
  27
  28         # Check if we are building with device tree support
  29         DTS="${@get_dts(d, None)}"
  30
  31         # Initialize sdcard image file
  32         dd if=/dev/zero of=${SDIMG} bs=1024 count=0 seek=${SDIMG_SIZE}
  33
  34         # Create partition table
  35         parted -s ${SDIMG} mklabel msdos
  36         # Create boot partition and mark it as bootable
  37         parted -s ${SDIMG} unit KiB mkpart primary fat32 ${IMAGE_ROOTFS_ALIGNMENT} $(expr ${BOOT_SPACE_ALIGNED} \+ ${IMAGE_ROOTFS_ALIGNMENT})
  38         parted -s ${SDIMG} set 1 boot on
  39         # Create rootfs partition to the end of disk
  40         parted -s ${SDIMG} -- unit KiB mkpart primary ext2 $(expr ${BOOT_SPACE_ALIGNED} \+ ${IMAGE_ROOTFS_ALIGNMENT}) -1s
  41         parted ${SDIMG} print
  42
  43         # Create a vfat image with boot files
  44         BOOT_BLOCKS=$(LC_ALL=C parted -s ${SDIMG} unit b print | awk '/ 1 / { print substr($4, 1, length($4 -1)) / 512 /2 }')
  45         rm -f ${WORKDIR}/boot.img
  46         mkfs.vfat -n "${BOOTDD_VOLUME_ID}" -S 512 -C ${WORKDIR}/boot.img $BOOT_BLOCKS
  47         mcopy -i ${WORKDIR}/boot.img -s ${DEPLOY_DIR_IMAGE}/bcm2835-bootfiles/* ::/
  48         case "${KERNEL_IMAGETYPE}" in
  49         "uImage")
  50                 mcopy -i ${WORKDIR}/boot.img -s ${DEPLOY_DIR_IMAGE}/u-boot.img ::${SDIMG_KERNELIMAGE}
  51                 mcopy -i ${WORKDIR}/boot.img -s ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE}${KERNEL_INITRAMFS}-${MACHINE}.bin ::uImage
  52                 ;;
  53         *)
  54                 if test -n "${DTS}"; then
  55                         # Device Tree Overlays are assumed to be suffixed by '-overlay.dtb' string and will be put in a dedicated folder
  56                         DT_OVERLAYS="${@split_overlays(d, 0)}"
  57                         DT_ROOT="${@split_overlays(d, 1)}"
  58
  59                         # Copy board device trees to root folder
  60                         for DTB in ${DT_ROOT}; do
  61                                 DTB_BASE_NAME=`basename ${DTB} .dtb`
  62
  63                                 mcopy -i ${WORKDIR}/boot.img -s ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE}-${DTB_BASE_NAME}.dtb ::${DTB_BASE_NAME}.dtb
  64                         done
  65
  66                         # Copy device tree overlays to dedicated folder
  67                         mmd -i ${WORKDIR}/boot.img overlays
  68                         for DTB in ${DT_OVERLAYS}; do
  69                                 DTB_EXT=${DTB##*.}
  70                                 DTB_BASE_NAME=`basename ${DTB} ."${DTB_EXT}"`
  71
  72                                 mcopy -i ${WORKDIR}/boot.img -s ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE}-${DTB_BASE_NAME}.${DTB_EXT} ::overlays/${DTB_BASE_NAME}.${DTB_EXT}
  73                         done
  74                 fi
  75                 mcopy -i ${WORKDIR}/boot.img -s ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE}${KERNEL_INITRAMFS}-${MACHINE}.bin ::${SDIMG_KERNELIMAGE}
  76                 ;;
  77         esac
  78
  79         if [ -n ${FATPAYLOAD} ] ; then
  80                 echo "Copying payload into VFAT"
  81                 for entry in ${FATPAYLOAD} ; do
  82                                 # add the || true to stop aborting on vfat issues like not supporting .~lock files
  83                                 mcopy -i ${WORKDIR}/boot.img -s -v ${IMAGE_ROOTFS}$entry :: || true
  84                 done
  85         fi
  86
  87         # Add stamp file
  88         echo "${IMAGE_NAME}-${IMAGEDATESTAMP}" > ${WORKDIR}/image-version-info
  89         mcopy -i ${WORKDIR}/boot.img -v ${WORKDIR}//image-version-info ::
  90
  91         # Burn Partitions
  92         dd if=${WORKDIR}/boot.img of=${SDIMG} conv=notrunc seek=1 bs=$(expr ${IMAGE_ROOTFS_ALIGNMENT} \* 1024) && sync && sync
  93         # If SDIMG_ROOTFS_TYPE is a .xz file use xzcat
  94         if echo "${SDIMG_ROOTFS_TYPE}" | egrep -q "*\.xz"
  95         then
  96                 xzcat ${SDIMG_ROOTFS} | dd of=${SDIMG} conv=notrunc seek=1 bs=$(expr 1024 \* ${BOOT_SPACE_ALIGNED} + ${IMAGE_ROOTFS_ALIGNMENT} \* 1024) && sync && sync
  97         else
  98                 dd if=${SDIMG_ROOTFS} of=${SDIMG} conv=notrunc seek=1 bs=$(expr 1024 \* ${BOOT_SPACE_ALIGNED} + ${IMAGE_ROOTFS_ALIGNMENT} \* 1024) && sync && sync
  99         fi
 100
 101         # Optionally apply compression
 102         case "${SDIMG_COMPRESSION}" in
 103         "gzip")
 104                 gzip -k9 "${SDIMG}"
 105                 ;;
 106         "bzip2")
 107                 bzip2 -k9 "${SDIMG}"
 108                 ;;
 109         "xz")
 110                 xz -k "${SDIMG}"
 111                 ;;
 112         esac
 113 }