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

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