204 lines
6.5 KiB
Bash
Executable File
204 lines
6.5 KiB
Bash
Executable File
#!/bin/bash
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# include uboot pre-build macros
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#declare CONFIG_FILE=("${buildtree}/.config")
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#declare AUTOCFG_FILE=("${buildtree}/include/autoconf.mk")
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function init_vari() {
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#source ${CONFIG_FILE} &> /dev/null # ignore warning/error
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#source ${AUTOCFG_FILE} &> /dev/null # ignore warning/error
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AML_BL2_NAME="bl2.bin"
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AML_KEY_BLOB_NAME="aml-user-key.sig"
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if [ "y" == "${CONFIG_AML_SECURE_BOOT_V3}" ]; then
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V3_PROCESS_FLAG="--level v3"
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fi
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if [ "y" == "${CONFIG_AML_BL33_COMPRESS_ENABLE}" ]; then
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BL33_COMPRESS_FLAG="--compress lz4"
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fi
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if [ "y" == "${CONFIG_FIP_IMG_SUPPORT}" ]; then
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BL3X_SUFFIX="img"
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fi
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}
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function fix_blx() {
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#bl2 file size 41K, bl21 file size 3K (file size not equal runtime size)
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#total 44K
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#after encrypt process, bl2 add 4K header, cut off 4K tail
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#bl30 limit 41K
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#bl301 limit 12K
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#bl2 limit 41K
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#bl21 limit 3K, but encrypt tool need 48K bl2.bin, so fix to 7168byte.
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declare blx_bin_limit=0
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declare blx01_bin_limit=0
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declare -i blx_size=0
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declare -i zero_size=0
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#$7:name flag
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if [ "$7" = "bl30" ]; then
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blx_bin_limit=40960 # PD#132613 2016-10-31 update, 41984->40960
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blx01_bin_limit=13312 # PD#132613 2016-10-31 update, 12288->13312
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elif [ "$7" = "bl2" ]; then
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blx_bin_limit=41984
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blx01_bin_limit=7168
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else
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echo "blx_fix name flag not supported!"
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exit 1
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fi
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# blx_size: blx.bin size, zero_size: fill with zeros
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blx_size=`du -b $1 | awk '{print int($1)}'`
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if [ $blx_size -gt $blx_bin_limit ]; then
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echo "Error: $7 ($1) too big. $blx_size > $blx_bin_limit"
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exit 1
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fi
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zero_size=$blx_bin_limit-$blx_size
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dd if=/dev/zero of=$2 bs=1 count=$zero_size
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cat $1 $2 > $3
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rm $2
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blx_size=`du -b $4 | awk '{print int($1)}'`
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zero_size=$blx01_bin_limit-$blx_size
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dd if=/dev/zero of=$2 bs=1 count=$zero_size
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cat $4 $2 > $5
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cat $3 $5 > $6
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rm $2
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}
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function cleanup() {
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rm -f ${BUILD_PATH}/bl*.enc ${BUILD_PATH}/bl2*.sig
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rm -f ${BUILD_PATH}/boot_new.bin
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}
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function encrypt_step() {
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dbg "encrypt: $@"
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local ret=0
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./${FIP_FOLDER}${CUR_SOC}/aml_encrypt_${CUR_SOC} $@
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ret=$?
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if [ 0 != $ret ]; then
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echo "Err! aml_encrypt_${CUR_SOC} return $ret"
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exit $ret
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fi
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}
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function encrypt() {
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# part1 for new soc flow(besides gxb/gxtvbb)
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if [ "y" == "${CONFIG_AML_SECURE_BOOT_V3}" ]; then
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# v3 flow
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encrypt_step --bl3sig --input ${BUILD_PATH}/bl30_new.bin --output ${BUILD_PATH}/bl30_new.bin.enc ${V3_PROCESS_FLAG} --type bl30
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encrypt_step --bl3sig --input ${BUILD_PATH}/bl31.${BL3X_SUFFIX} --output ${BUILD_PATH}/bl31.${BL3X_SUFFIX}.enc ${V3_PROCESS_FLAG} --type bl31
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if [ "${FIP_BL32}" == "${BUILD_PATH}/bl32.${BL3X_SUFFIX}" ]; then
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encrypt_step --bl3sig --input ${BUILD_PATH}/bl32.${BL3X_SUFFIX} --output ${BUILD_PATH}/bl32.${BL3X_SUFFIX}.enc ${V3_PROCESS_FLAG} --type bl32
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fi
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encrypt_step --bl3sig --input ${BUILD_PATH}/bl33.bin ${BL33_COMPRESS_FLAG} --output ${BUILD_PATH}/bl33.bin.enc ${V3_PROCESS_FLAG} --type bl33
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else
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# v2 flow
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encrypt_step --bl3enc --input ${BUILD_PATH}/bl30_new.bin --output ${BUILD_PATH}/bl30_new.bin.enc
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encrypt_step --bl3enc --input ${BUILD_PATH}/bl31.${BL3X_SUFFIX} --output ${BUILD_PATH}/bl31.${BL3X_SUFFIX}.enc
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if [ "${FIP_BL32}" == "${BUILD_PATH}/bl32.${BL3X_SUFFIX}" ]; then
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encrypt_step --bl3enc --input ${BUILD_PATH}/bl32.${BL3X_SUFFIX} --output ${BUILD_PATH}/bl32.${BL3X_SUFFIX}.enc
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fi
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encrypt_step --bl3enc --input ${BUILD_PATH}/bl33.bin --output ${BUILD_PATH}/bl33.bin.enc ${BL33_COMPRESS_FLAG}
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fi
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encrypt_step --bl2sig --input ${BUILD_PATH}/bl2_new.bin --output ${BUILD_PATH}/bl2.n.bin.sig
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encrypt_step --bootmk --output ${BUILD_PATH}/u-boot.bin \
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--bl2 ${BUILD_PATH}/bl2.n.bin.sig --bl30 ${BUILD_PATH}/bl30_new.bin.enc \
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--bl31 ${BUILD_PATH}/bl31.${BL3X_SUFFIX}.enc ${FIP_BL32_PROCESS} --bl33 ${BUILD_PATH}/bl33.bin.enc ${V3_PROCESS_FLAG}
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# part1 end
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# part1 for old soc (gxb/gxtvbb)
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#encrypt_step --bootsig --input ${BUILD_PATH}/boot_new.bin --output ${BUILD_PATH}/u-boot.bin
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if [ "y" == "${CONFIG_AML_CRYPTO_UBOOT}" ]; then
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# new soc only (besides gxb/gxtvbb)
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encrypt_step --efsgen --amluserkey ${UBOOT_SRC_FOLDER}/${BOARD_DIR}/${AML_KEY_BLOB_NAME} \
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--output ${BUILD_PATH}/u-boot.bin.encrypt.efuse ${V3_PROCESS_FLAG}
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# for all soc
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encrypt_step --bootsig --input ${BUILD_PATH}/u-boot.bin --amluserkey ${UBOOT_SRC_FOLDER}/${BOARD_DIR}/${AML_KEY_BLOB_NAME} \
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--aeskey enable --output ${BUILD_PATH}/u-boot.bin.encrypt ${V3_PROCESS_FLAG}
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fi
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if [ "y" == "${CONFIG_AML_CRYPTO_IMG}" ]; then
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encrypt_step --imgsig --input ${UBOOT_SRC_FOLDER}/${BOARD_DIR}/boot.img --amluserkey ${UBOOT_SRC_FOLDER}/${BOARD_DIR}/${AML_KEY_BLOB_NAME} --output ${BUILD_PATH}/boot.img.encrypt
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fi
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return
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}
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function build_fip() {
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fix_blx \
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${BUILD_PATH}/bl30.bin \
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${BUILD_PATH}/zero_tmp \
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${BUILD_PATH}/bl30_zero.bin \
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${BUILD_PATH}/bl301.bin \
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${BUILD_PATH}/bl301_zero.bin \
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${BUILD_PATH}/bl30_new.bin \
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bl30
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# acs_tool process ddr timing and configurable parameters
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python2 ${FIP_FOLDER}/acs_tool.pyc ${BUILD_PATH}/${AML_BL2_NAME} ${BUILD_PATH}/bl2_acs.bin ${BUILD_PATH}/acs.bin 0
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# fix bl2/bl21
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fix_blx \
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${BUILD_PATH}/bl2_acs.bin \
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${BUILD_PATH}/zero_tmp \
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${BUILD_PATH}/bl2_zero.bin \
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${BUILD_PATH}/bl21.bin \
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${BUILD_PATH}/bl21_zero.bin \
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${BUILD_PATH}/bl2_new.bin \
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bl2
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# v2: bl30/bl301 merged since 2016.03.22
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FIP_ARGS="--bl30 ${BUILD_PATH}/bl30_new.bin --bl31 ${BUILD_PATH}/bl31.${BL3X_SUFFIX}"
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if [ "y" == "${CONFIG_NEED_BL32}" ]; then
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FIP_BL32="`find ${BUILD_PATH} -name "bl32.${BL3X_SUFFIX}"`"
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if [ "${FIP_BL32}" == "${BUILD_PATH}/bl32.${BL3X_SUFFIX}" ]; then
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FIP_ARGS="${FIP_ARGS}"" --bl32 ${BUILD_PATH}/bl32.${BL3X_SUFFIX}"
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FIP_BL32_PROCESS=" --bl32 ${BUILD_PATH}/bl32.${BL3X_SUFFIX}.enc"
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fi
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fi
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FIP_ARGS="${FIP_ARGS}"" --bl33 ${BUILD_PATH}/bl33.bin"
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# create fip.bin
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./${FIP_FOLDER}/fip_create ${FIP_ARGS} ${BUILD_PATH}/fip.bin
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./${FIP_FOLDER}/fip_create --dump ${BUILD_PATH}/fip.bin
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# build final bootloader
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cat ${BUILD_PATH}/bl2_new.bin ${BUILD_PATH}/fip.bin > ${BUILD_PATH}/boot_new.bin
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return
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}
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function copy_other_soc() {
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cp ${UBOOT_SRC_FOLDER}/build/scp_task/bl301.bin ${BUILD_PATH} -f
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cp ${UBOOT_SRC_FOLDER}/build/${BOARD_DIR}/firmware/bl21.bin ${BUILD_PATH} -f
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cp ${UBOOT_SRC_FOLDER}/build/${BOARD_DIR}/firmware/acs.bin ${BUILD_PATH} -f
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# todo. cp bl40?
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}
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function package() {
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# BUILD_PATH without "/"
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x=$((${#BUILD_PATH}-1))
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if [ "\\" == "${BUILD_PATH:$x:1}" ] || [ "/" == "${BUILD_PATH:$x:1}" ]; then
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BUILD_PATH=${BUILD_PATH:0:$x}
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fi
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init_vari $@
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build_fip $@
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encrypt $@
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#copy_file
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#cleanup
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echo "Bootloader build done!"
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}
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