update images build shell script

guowenxu

2021-11-20 ed0e2836138849c3d66efb7462a505d5cd3e348e

 bsp/images/build.sh

@@ -7,7 +7,7 @@
# +-------------------------------+-----------------------+---------------------------------+
# |         Start  Address        |         Size          |           Usage                 |
# +-------------------------------+-----------------------+---------------------------------+
# |             0x0               |   32 sectors(16K)     |  Reserved for partition table   |
# |             0x0               |     2 sectors(1K)     |  Reserved for partition table   |
# +-------------------------------+-----------------------+---------------------------------+
# |      2 sector(1K, 0x400)      |  20414 sectors(9M+)   |     i.MX6ULL  u-boot image      |
# +-------------------------------+-----------------------+---------------------------------+
@@ -37,18 +37,19 @@
    IMAGE_SIZE=2048
fi

# 1 sector - for i.MX6 or i.MX7
UBOOT_OFSET=1
#i.MX6/i.MX7 read uboot from mmc start on sector #2
UBOOT_OFSET=2
MMC_SECSIZE=512

# BootRom(U-boot) Size 10MB:  20480 Sectors * 512B
# U-boot space Size 10MB
UBOOT_SIZE=10

# vfat boot partition size
# vfat boot partition 100MB
BOOT_SIZE=100


IMG_UBOOT=${IMAGE_PATH}/u-boot-imx6ull-emmc.imx
IMG_KERNEL=${IMAGE_PATH}/Image
IMG_KERNEL=${IMAGE_PATH}/zImage
IMG_DTB=${IMAGE_PATH}/imx6ull-emmc.dtb
ROOTFS_TAR=${TAR_PATH}/rootfs_${ROOTFS}.tar.bz2

@@ -101,16 +102,13 @@

function generate_image()
{
    # system image block count by block=512k
    BLOCK_CNT=`expr 2 \* ${IMAGE_SIZE}`

    # FAT32 boot partition start/end address in MB
    BOOT_START=${UBOOT_SIZE}
    BOOT_END=`expr ${BOOT_START} + ${BOOT_SIZE}`

    msg_banner " <${STAGE}> Generate system image "

    dd if=/dev/zero of=${IMAGE_NAME} bs=512k count=${BLOCK_CNT}  && sync
    dd if=/dev/zero of=${IMAGE_NAME} bs=1024k count=${IMAGE_SIZE}  && sync
    chmod a+x ${IMAGE_NAME}

    msg_banner " <${STAGE}> Partition system image "
@@ -139,7 +137,7 @@
function install_sysimg()
{
    msg_banner " <${STAGE}> Install u-boot image"
    sudo dd if=${IMG_UBOOT} of=${IMAGE_NAME} bs=1k seek=${UBOOT_OFSET} conv=notrunc,sync
    sudo dd if=${IMG_UBOOT} of=${IMAGE_NAME} bs=${MMC_SECSIZE} seek=${UBOOT_OFSET} conv=notrunc,sync

    msg_banner " <${STAGE}> Install linux kernel image"

@@ -180,5 +178,8 @@

install_rootfs

cp ${IMG_UBOOT} .
bzip2 ${IMAGE_NAME}

rm -rf ${MNT_POINT}