From ed36718a63e746c563066ac72c4463ac5cd8a579 Mon Sep 17 00:00:00 2001
From: spycat88 <spycat88@users.noreply.github.com>
Date: Mon, 8 Apr 2024 23:45:57 +0100
Subject: [PATCH] Rockchip: make bash scripting easier to read

---
 projects/Rockchip/bootloader/canupdate.sh    |  9 ---
 projects/Rockchip/bootloader/install         | 74 +++++++-------------
 projects/Rockchip/bootloader/mkimage         | 65 ++++++++---------
 projects/Rockchip/bootloader/release         | 13 ++--
 projects/Rockchip/bootloader/update.sh       |  8 +--
 projects/Rockchip/packages/u-boot/package.mk | 24 +++----
 6 files changed, 71 insertions(+), 122 deletions(-)
 delete mode 100755 projects/Rockchip/bootloader/canupdate.sh

diff --git a/projects/Rockchip/bootloader/canupdate.sh b/projects/Rockchip/bootloader/canupdate.sh
deleted file mode 100755
index b9b32ca91..000000000
--- a/projects/Rockchip/bootloader/canupdate.sh
+++ /dev/null
@@ -1,9 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0
-# Copyright (C) 2017-present Team LibreELEC (https://libreelec.tv)
-
-# Allow upgrades between arm and aarch64
-if [ "$1" = "@PROJECT@.arm" -o "$1" = "@PROJECT@.aarch64" ]; then
-  exit 0
-else
-  exit 1
-fi
diff --git a/projects/Rockchip/bootloader/install b/projects/Rockchip/bootloader/install
index 959262532..499da8689 100755
--- a/projects/Rockchip/bootloader/install
+++ b/projects/Rockchip/bootloader/install
@@ -6,42 +6,19 @@ PKG_RKBIN="$(get_build_dir rkbin)"
 PKG_UBOOT="$(get_build_dir u-boot)"
 source ${PROJECT_DIR}/${PROJECT}/devices/${DEVICE}/options
 
-RKSPI_LOADER=${INSTALL}/usr/share/bootloader/rkspi_loader.img
-
-generate_rkspi_loader() {
-        echo "spi: create rkspi_loader.img..."
-        dd if=/dev/zero of=$RKSPI_LOADER bs=1M count=0 seek=16
-        # When running as a non-root user, /sbin & /usr/sbin are excluded from $PATH
-        PATH=/sbin:/usr/sbin:$PATH PARTED_CMD="$(which parted)"
-        ${PARTED_CMD} -s $RKSPI_LOADER mklabel gpt
-        ${PARTED_CMD} -s $RKSPI_LOADER unit s mkpart idbloader 64 7167
-        ${PARTED_CMD} -s $RKSPI_LOADER unit s mkpart vnvm 7168 7679
-        ${PARTED_CMD} -s $RKSPI_LOADER unit s mkpart reserved_space 7680 8063
-        ${PARTED_CMD} -s $RKSPI_LOADER unit s mkpart reserved1 8064 8127
-        ${PARTED_CMD} -s $RKSPI_LOADER unit s mkpart uboot_env 8128 8191
-        ${PARTED_CMD} -s $RKSPI_LOADER unit s mkpart reserved2 8192 16383
-        ${PARTED_CMD} -s $RKSPI_LOADER unit s mkpart uboot 16384 32734
-        echo "spi: write idbloader.img to rkspi_loader.img..."
-        dd if=${PKG_BUILD}/idbloader.img of=$RKSPI_LOADER seek=64 conv=notrunc
-        echo "spi: write uboot.itb to rkspi_loader.img..."
-        dd if=${PKG_BUILD}/u-boot.itb of=$RKSPI_LOADER seek=16384 conv=notrunc
-}
-
-
-
 if [ -n "${PKG_DATAFILE}" -a -n "${PKG_LOADER}" ]; then
   echo "loader: Make idbloader.img from ${PKG_DATAFILE}:${PKG_LOADER}..."
   case "${PKG_SOC}" in
     rk35*)
       tools/mkimage -n ${PKG_SOC} -T rksd -d ${PKG_DATAFILE}:${PKG_LOADER} -C bzip2 idbloader.img
-    ;;
+      ;;
     rk3399)
       ${PKG_RKBIN}/tools/mkimage -n "${PKG_SOC}" -T rksd -d ${PKG_DATAFILE}:${PKG_LOADER} idbloader.img.rk || exit 1
-    ;;
+      ;;
     *)
       tools/mkimage -n ${PKG_SOC} -T rksd -d "${PKG_DATAFILE}" -C bzip2 idbloader.img
       cat "${PKG_LOADER}" >> idbloader.img
-    ;;
+      ;;
   esac
 fi
 
@@ -49,7 +26,7 @@ case "${PKG_SOC}" in
   rk35*|px30)
     echo "uboot: copy idbloader.img image to ${INSTALL}/usr/share/bootloader..."
     cp -av idbloader.img ${INSTALL}/usr/share/bootloader
-  ;;
+    ;;
 esac
 
 if [ ! -n "${PKG_LOAD_ADDR}" ]; then
@@ -65,7 +42,7 @@ case "${PKG_SOC}" in
         break
       fi
     done
-  ;;
+    ;;
   rk3399)
     PKG_ATF_INI="${PKG_RKBIN}"/RKTRUST/"${DEVICE}"TRUST.ini
     echo "uboot: building ${UBOOT_FIT_IMAGE}..."
@@ -77,19 +54,19 @@ case "${PKG_SOC}" in
   
     echo "uboot: copy ${UBOOT_FIT_IMAGE} to ${INSTALL}/usr/share/bootloader..."
     cp -av ${UBOOT_FIT_IMAGE} ${INSTALL}/usr/share/bootloader
-  ;;
+    ;;
   *)
     echo "uboot: build loader image u-boot.img at ${PKG_LOAD_ADDR}..."
     ${PKG_UBOOT}/tools/loaderimage --pack --uboot u-boot-dtb.bin u-boot.img ${PKG_LOAD_ADDR} ||:
     cp -av u-boot.img ${INSTALL}/usr/share/bootloader
-  ;;
+    ;;
 esac
 
 case "${DEVICE}" in
   RK3326)
-if [ -n "${PKG_BL31}" ]; then
-  echo "trust: create trust.ini..."
-  cat >trust.ini <<EOF
+    if [ -n "${PKG_BL31}" ]; then
+      echo "trust: create trust.ini..."
+      cat >trust.ini <<EOF
 [BL30_OPTION]
 SEC=0
 [BL31_OPTION]
@@ -103,11 +80,11 @@ SEC=0
 [OUTPUT]
 PATH=trust.img
 EOF
-  TROPTS="--verbose"
-  ${PKG_UBOOT}/tools/trust_merger ${TROPTS} trust.ini
-  cp -av trust.img ${INSTALL}/usr/share/bootloader
-fi
-  ;;
+      TROPTS="--verbose"
+      ${PKG_UBOOT}/tools/trust_merger ${TROPTS} trust.ini
+      cp -av trust.img ${INSTALL}/usr/share/bootloader
+    fi
+    ;;
 esac
 
 if [ "${BOOT_INI}" == true ]; then
@@ -124,20 +101,17 @@ if [ "${BOOT_INI}" == true ]; then
   fi
 fi
 
-if [ "${EXT_LINUX_CONF}" == true ]
-then
-echo "boot: create extlinux.conf..."
-mkdir -p "${INSTALL}/usr/share/bootloader/extlinux"
+if [ "${EXT_LINUX_CONF}" == true ]; then
+  echo "boot: create extlinux.conf..."
+  mkdir -p "${INSTALL}/usr/share/bootloader/extlinux"
 
-if [[ "${PKG_SOC}" != "rk3588" ]] && \
-   [[ "${TRUST_LABEL}" = "resource"  || "${#DEVICE_DTB[@]}" -gt 1 ]]
-then
-  FDTMODE="FDTDIR /"
-else
-  FDTMODE="FDT /${DEVICE_DTB[0]}.dtb"
-fi
+  if [[ "${PKG_SOC}" != "rk3588" ]] && [[ "${TRUST_LABEL}" = "resource" || "${#DEVICE_DTB[@]}" -gt 1 ]]; then
+    FDTMODE="FDTDIR /"
+  else
+    FDTMODE="FDT /${DEVICE_DTB[0]}.dtb"
+  fi
 
-cat << EOF > "${INSTALL}/usr/share/bootloader/extlinux/extlinux.conf"
+  cat << EOF > "${INSTALL}/usr/share/bootloader/extlinux/extlinux.conf"
 LABEL ${DISTRO}
   LINUX /${KERNEL_NAME}
   ${FDTMODE}
diff --git a/projects/Rockchip/bootloader/mkimage b/projects/Rockchip/bootloader/mkimage
index 1a63b36c3..290a9142c 100755
--- a/projects/Rockchip/bootloader/mkimage
+++ b/projects/Rockchip/bootloader/mkimage
@@ -7,10 +7,10 @@ source ${PROJECT_DIR}/${PROJECT}/devices/${DEVICE}/options
 case "${PKG_SOC}" in
   rk35*|rk3399)
     IDBSEEK="bs=512 seek=64"
-  ;;
+    ;;
   *)
     IDBSEEK="bs=32k seek=1"
-  ;;
+    ;;
 esac
 
 if [ -f "${RELEASE_DIR}/3rdparty/bootloader/idbloader.img" ]; then
@@ -18,12 +18,9 @@ if [ -f "${RELEASE_DIR}/3rdparty/bootloader/idbloader.img" ]; then
   dd if="${RELEASE_DIR}/3rdparty/bootloader/idbloader.img" of="$DISK" ${IDBSEEK} conv=sync,noerror,notrunc >"${SAVE_ERROR}" 2>&1 || show_error
 fi
 
-
-
 case "${PKG_SOC}" in
   rk35*)
-    for BOOT_IMAGE in u-boot.itb u-boot.img
-    do
+    for BOOT_IMAGE in u-boot.itb u-boot.img; do
       if [ -f "${RELEASE_DIR}/3rdparty/bootloader/${BOOT_IMAGE}" ]; then
         echo "image: burn ${BOOT_IMAGE} to image..."
         dd if="${RELEASE_DIR}/3rdparty/bootloader/${BOOT_IMAGE}" of="${DISK}" bs=512 seek=16384 conv=sync,noerror,notrunc >"${SAVE_ERROR}" 2>&1 || show_error
@@ -37,16 +34,15 @@ case "${PKG_SOC}" in
       echo "image: burn resource.img to image..."
       dd if="${RELEASE_DIR}/3rdparty/bootloader/resource.img" of="${DISK}" bs=512 seek=24576 conv=sync,noerror,notrunc >"${SAVE_ERROR}" 2>&1 || show_error
     fi
-  ;;
+    ;;
   rk3399)
     if [ -f "${RELEASE_DIR}/3rdparty/bootloader/rk3399-uboot.bin" ]; then
       echo "image: burn u-boot.bin to image..."
       dd if="${RELEASE_DIR}/3rdparty/bootloader/rk3399-uboot.bin" of="${DISK}" bs=512 seek=64 conv=sync,noerror,notrunc >"${SAVE_ERROR}" 2>&1 || show_error
     fi
-  ;;
+    ;;
   *)
-    for BOOT_IMAGE in u-boot.itb u-boot.img
-    do
+    for BOOT_IMAGE in u-boot.itb u-boot.img; do
       if [ -f "${RELEASE_DIR}/3rdparty/bootloader/${BOOT_IMAGE}" ]; then
         echo "image: burn ${BOOT_IMAGE} to image..."
         dd if="${RELEASE_DIR}/3rdparty/bootloader/${BOOT_IMAGE}" of="${DISK}" bs=512 seek=16384 conv=sync,noerror,notrunc >"${SAVE_ERROR}" 2>&1 || show_error
@@ -57,19 +53,19 @@ case "${PKG_SOC}" in
       echo "image: burn trust.img to image..."
       dd if="${RELEASE_DIR}/3rdparty/bootloader/trust.img" of="$DISK" bs=512 seek=24576 conv=sync,noerror,notrunc >"${SAVE_ERROR}" 2>&1 || show_error
     fi
-  ;;
+    ;;
 esac
 
 #Create boot.ini
-if [ "${BOOT_INI}" == true ]
-then
+if [ "${BOOT_INI}" == true ]; then
   echo "boot: create boot.ini..."
-  if [ -e "${PROJECT_DIR}/${PROJECT}/devices/${DEVICE}/boot/boot.ini" ]
-  then
+  if [ -e "${PROJECT_DIR}/${PROJECT}/devices/${DEVICE}/boot/boot.ini" ]; then
     cp -f ${PROJECT_DIR}/${PROJECT}/devices/${DEVICE}/boot/boot.ini ${LE_TMP}/boot.ini
-    sed -i "s~@DISTRO_BOOTLABEL@~${DISTRO_BOOTLABEL}~g" ${LE_TMP}/boot.ini
-    sed -i "s~@DISTRO_DISKLABEL@~${DISTRO_DISKLABEL}~g" ${LE_TMP}/boot.ini
-    sed -i "s~@EXTRA_CMDLINE@~${EXTRA_CMDLINE}~g" ${LE_TMP}/boot.ini
+    sed -e "s/@DISTRO_BOOTLABEL@/${DISTRO_BOOTLABEL}/" \
+        -e "s/@DISTRO_DISKLABEL@/${DISTRO_DISKLABEL}/" \
+        -e "s/@EXTRA_CMDLINE@/${EXTRA_CMDLINE}/" \
+        -i "${LE_TMP}/boot.ini"
+
     mcopy -so "${LE_TMP}/boot.ini" ::
   else
     echo "ERROR: No boot.ini found in ${PROJECT_DIR}/${PROJECT}/devices/${DEVICE}/boot/."
@@ -80,36 +76,31 @@ fi
 mkdir -p "${LE_TMP}/extlinux"
 
 # copy device trees to part1
-for DTB in ${DEVICE_DTB[@]}
-do
-  if [ -e "${DTB}.dtb" ]
-  then
+for DTB in ${DEVICE_DTB[@]}; do
+  if [ -e "${DTB}.dtb" ]; then
     echo "image: copy device trees to image..."
     mcopy -o "${DTB}.dtb" ::
   fi
 done
 
-if [ "${EXT_LINUX_CONF}" == true ]
-then
-mkdir -p "${LE_TMP}/extlinux"
+if [ "${EXT_LINUX_CONF}" == true ]; then
+  mkdir -p "${LE_TMP}/extlinux"
 
-if [[ "${PKG_SOC}" != "rk3588" ]] && \
-   [[ "${TRUST_LABEL}" = "resource"  || "${#DEVICE_DTB[@]}" -gt 1 ]]
-then
-  echo "image: Set FDTDIR to /..."
-  FDTMODE="FDTDIR /"
-else
-  echo "image: Set FDT to ${DEVICE_DTB}..."
-  FDTMODE="FDT /${DEVICE_DTB}.dtb"
-fi
+  if [[ "${PKG_SOC}" != "rk3588" ]] && [[ "${TRUST_LABEL}" = "resource" || "${#DEVICE_DTB[@]}" -gt 1 ]]; then
+    echo "image: Set FDTDIR to /..."
+    FDTMODE="FDTDIR /"
+  else
+    echo "image: Set FDT to ${DEVICE_DTB}..."
+    FDTMODE="FDT /${DEVICE_DTB}.dtb"
+  fi
 
-echo "image: Set extlinux.conf..."
-cat << EOF > "${LE_TMP}/extlinux/extlinux.conf"
+  echo "image: Set extlinux.conf..."
+  cat << EOF > "${LE_TMP}/extlinux/extlinux.conf"
 LABEL ${DISTRO}
   LINUX /${KERNEL_NAME}
   ${FDTMODE}
   APPEND boot=LABEL=${DISTRO_BOOTLABEL} disk=LABEL=${DISTRO_DISKLABEL} ${EXTRA_CMDLINE}
 EOF
 
-mcopy -so "${LE_TMP}/extlinux" ::
+  mcopy -so "${LE_TMP}/extlinux" ::
 fi
diff --git a/projects/Rockchip/bootloader/release b/projects/Rockchip/bootloader/release
index 074bc3abd..565412e48 100755
--- a/projects/Rockchip/bootloader/release
+++ b/projects/Rockchip/bootloader/release
@@ -11,8 +11,7 @@ if [ -n "${UBOOT_CONFIG}" ]; then
   fi
   case "${PKG_SOC}" in
     rk35*)
-      for BOOT_IMAGE in u-boot.itb u-boot.img
-      do
+      for BOOT_IMAGE in u-boot.itb u-boot.img; do
         if [ -f "${BOOTLOADER_DIR}/${BOOT_IMAGE}" ]; then
           cp -a ${BOOTLOADER_DIR}/${BOOT_IMAGE} ${RELEASE_DIR}/3rdparty/bootloader
           break
@@ -21,15 +20,14 @@ if [ -n "${UBOOT_CONFIG}" ]; then
       if [ -f ${KERNEL_DIR}/resource.img ]; then
         cp -a ${KERNEL_DIR}/resource.img ${RELEASE_DIR}/3rdparty/bootloader
       fi
-    ;;
+      ;;
     rk3399)
       if [ -f ${BOOTLOADER_DIR}/rk3399-uboot.bin ]; then
         cp -a ${BOOTLOADER_DIR}/rk3399-uboot.bin ${RELEASE_DIR}/3rdparty/bootloader
       fi 
-    ;;
+      ;;
     *)
-      for BOOT_IMAGE in u-boot.itb u-boot.img
-      do
+      for BOOT_IMAGE in u-boot.itb u-boot.img; do
         if [ -f "${BOOTLOADER_DIR}/${BOOT_IMAGE}" ]; then
           cp -a ${BOOTLOADER_DIR}/${BOOT_IMAGE} ${RELEASE_DIR}/3rdparty/bootloader
           break
@@ -38,6 +36,7 @@ if [ -n "${UBOOT_CONFIG}" ]; then
       if [ -f ${BOOTLOADER_DIR}/trust.img ]; then
         cp -a ${BOOTLOADER_DIR}/trust.img ${RELEASE_DIR}/3rdparty/bootloader
       fi
+      ;;
   esac
 fi
 
@@ -50,7 +49,7 @@ if [ -f ${INSTALL}/usr/share/bootloader/boot.scr ]; then
 fi
 
 LINUX_DTS_DIR=$(get_build_dir linux)/arch/${TARGET_KERNEL_ARCH}/boot/dts/
-for dtb in $(find ${LINUX_DTS_DIR} -name "*.dtb") ; do
+for dtb in $(find ${LINUX_DTS_DIR} -name "*.dtb"); do
   if [ -f $dtb ]; then
     cp -a $dtb ${RELEASE_DIR}/3rdparty/bootloader
   fi
diff --git a/projects/Rockchip/bootloader/update.sh b/projects/Rockchip/bootloader/update.sh
index e248a48dc..0e5dd1320 100755
--- a/projects/Rockchip/bootloader/update.sh
+++ b/projects/Rockchip/bootloader/update.sh
@@ -40,18 +40,18 @@ if [ -f $BOOT_ROOT/extlinux/extlinux.conf ]; then
       *gameforce,ace)
         echo "Setting boot FDT to GameForce Ace..."
         sed -i '/FDT/c\  FDT /rk3588s-gameforce-ace.dtb' $BOOT_ROOT/extlinux/extlinux.conf
-      ;;
+        ;;
       *orangepi-5)
         echo "Setting boot FDT to Orange Pi 5..."
         sed -i '/FDT/c\  FDT /rk3588s-orangepi-5.dtb' $BOOT_ROOT/extlinux/extlinux.conf
         sed -i 's/ fbcon=rotate:1//' $BOOT_ROOT/extlinux/extlinux.conf
-      ;;
+        ;;
       *rock-5)
         echo "Setting boot FDT to Rock 5B..."
         sed -i '/FDT/c\  FDT /rk3588-rock-5b.dtb' $BOOT_ROOT/extlinux/extlinux.conf
         sed -i 's/ fbcon=rotate:1//' $BOOT_ROOT/extlinux/extlinux.conf
-       ;;
-     esac
+        ;;
+    esac
   fi
 fi
 
diff --git a/projects/Rockchip/packages/u-boot/package.mk b/projects/Rockchip/packages/u-boot/package.mk
index f4af8750d..39e7fdbee 100644
--- a/projects/Rockchip/packages/u-boot/package.mk
+++ b/projects/Rockchip/packages/u-boot/package.mk
@@ -17,22 +17,22 @@ case ${DEVICE} in
   RK3588*)
     PKG_VERSION="ad0cfba1ac51e8dd8b039f6c56b9c9f9a679df91"
     PKG_URL="${PKG_SITE}/rk3588-uboot/archive/${PKG_VERSION}.tar.gz"
-  ;;
+    ;;
   RK3566*)
     PKG_URL="https://github.com/u-boot/u-boot.git"
     PKG_VERSION="9cba29b19f43f9450117e8bc89e7dda691ed5ab5"
     PKG_GIT_CLONE_BRANCH="master"
-  ;;
+    ;;
   RK3399)
     PKG_DEPENDS_TARGET+=" atf openssl:host"
     PKG_VERSION="2024.04"
     PKG_URL="https://ftp.denx.de/pub/u-boot/${PKG_NAME}-${PKG_VERSION}.tar.bz2"
-  ;;
+    ;;
   RK3326)
     PKG_VERSION="0e26e35cb18a80005b7de45c95858c86a2f7f41e"
     PKG_URL="${PKG_SITE}/hardkernel-uboot/archive/${PKG_VERSION}.tar.gz"
     PKG_GIT_CLONE_BRANCH="RK3326"
-  ;;
+    ;;
 esac
 
 PKG_IS_KERNEL_PKG="yes"
@@ -59,23 +59,18 @@ make_target() {
   if [ -z "${UBOOT_CONFIG}" ]; then
     echo "UBOOT_CONFIG must be set to build an image"
   else
-    if [ -e "${PROJECT_DIR}/${PROJECT}/devices/${DEVICE}/u-boot/${UBOOT_CONFIG}" ]
-    then
+    if [ -e "${PROJECT_DIR}/${PROJECT}/devices/${DEVICE}/u-boot/${UBOOT_CONFIG}" ]; then
       cp ${PROJECT_DIR}/${PROJECT}/devices/${DEVICE}/u-boot/${UBOOT_CONFIG} configs
     fi
     [ "${BUILD_WITH_DEBUG}" = "yes" ] && PKG_DEBUG=1 || PKG_DEBUG=0
-    if [[ "${PKG_BL31}" =~ ^/bin ]]
-    then
+    if [[ "${PKG_BL31}" =~ ^/bin ]]; then
       PKG_BL31="$(get_build_dir rkbin)/${PKG_BL31}"
     fi
-    if [[ "${PKG_LOADER}" =~ ^/bin ]]
-    then
+    if [[ "${PKG_LOADER}" =~ ^/bin ]]; then
       PKG_LOADER="$(get_build_dir rkbin)/${PKG_LOADER}"
     fi
 
-    if [[ "${PKG_SOC}" =~ "rk3568" ]] || \
-       [[ "${PKG_SOC}" =~ "rk356x" ]]
-    then
+    if [[ "${PKG_SOC}" =~ "rk3568" ]] || [[ "${PKG_SOC}" =~ "rk356x" ]]; then
       # rk3566 device
       echo "Building for GPT (${UBOOT_DTB})..."
       echo "toolchain (${TOOLCHAIN})"
@@ -87,8 +82,7 @@ make_target() {
       DEBUG=${PKG_DEBUG} CROSS_COMPILE="${TARGET_KERNEL_PREFIX}" LDFLAGS="--lssl -lcrypto" ARCH=arm64 make ${UBOOT_CONFIG} ${PKG_LOADER} u-boot.dtb u-boot.img tools HOSTCC="${HOST_CC}" HOSTLDFLAGS="-L${TOOLCHAIN}/lib" HOSTCFLAGS="-I${TOOLCHAIN}/include"
       echo "end make"
       DEBUG=${PKG_DEBUG} CROSS_COMPILE="${TARGET_KERNEL_PREFIX}" LDFLAGS="" ARCH=arm64 _python_sysroot="${TOOLCHAIN}" _python_prefix=/ _python_exec_prefix=/ make HOSTCC="${HOST_CC}" HOSTLDFLAGS="-L${TOOLCHAIN}/lib" HOSTCFLAGS="-I${TOOLCHAIN}/include" HOSTSTRIP="true" CONFIG_MKIMAGE_DTC_PATH="scripts/dtc/dtc"
-    elif [[ "${PKG_SOC}" =~ "rk3588" ]]
-    then
+    elif [[ "${PKG_SOC}" =~ "rk3588" ]]; then
       # rk3588 devices
       DEBUG=${PKG_DEBUG} CROSS_COMPILE="${TARGET_KERNEL_PREFIX}" LDFLAGS="" ARCH=arm64 make mrproper
       DEBUG=${PKG_DEBUG} CROSS_COMPILE="${TARGET_KERNEL_PREFIX}" LDFLAGS="" ARCH=arm64 make ${UBOOT_CONFIG} BL31=${PKG_BL31} ${PKG_LOADER} u-boot.dtb u-boot.itb CONFIG_MKIMAGE_DTC_PATH="scripts/dtc/dtc"