Update to latest stable buildroot and add arm64 big endian

README.txt

@@ -9,6 +9,7 @@ Required parameters:
        * arm32_v6
        * arm32_v7
        * arm64
+       * arm64be
        * mips
        * mipsel
        * ppc32

boot-qemu.sh

@@ -39,7 +39,7 @@ function parse_parameters() {
             -a | --arch | --architecture)
                 shift
                 case ${1} in
-                    arm32_v5 | arm32_v6 | arm32_v7 | arm64 | mips | mipsel | ppc32 | ppc64 | ppc64le | riscv | s390 | x86 | x86_64) ARCH=${1} ;;
+                    arm32_v5 | arm32_v6 | arm32_v7 | arm64 | arm64be | mips | mipsel | ppc32 | ppc64 | ppc64le | riscv | s390 | x86 | x86_64) ARCH=${1} ;;
                     *) die "Invalid --arch value '${1}'" ;;
                 esac
                 ;;
@@ -141,7 +141,8 @@ function setup_qemu_args() {
             QEMU=(qemu-system-arm)
             ;;
 
-        arm64)
+        arm64 | arm64be)
+            ARCH=arm64
             KIMAGE=Image.gz
             APPEND_STRING+="console=ttyAMA0 "
             if [[ "$(uname -m)" = "aarch64" && -e /dev/kvm ]]; then

buildroot/arm64be.config

@@ -0,0 +1,12 @@
+BR2_aarch64_be=y
+BR2_cortex_a57=y
+BR2_OPTIMIZE_3=y
+BR2_KERNEL_HEADERS_4_4=y
+BR2_GCC_VERSION_8_X=y
+BR2_TARGET_GENERIC_ROOT_PASSWD="root"
+BR2_TARGET_GENERIC_GETTY_PORT="ttyAMA0"
+BR2_ROOTFS_OVERLAY="../overlay-poweroff"
+BR2_PACKAGE_BUSYBOX_SHOW_OTHERS=y
+BR2_PACKAGE_BASH=y
+BR2_TARGET_ROOTFS_CPIO=y
+# BR2_TARGET_ROOTFS_TAR is not set

buildroot/buildroot-2020.11.2.tar.gz.sha256

@@ -0,0 +1 @@
+ab42111f4855483f1769f83f4e7c60e0a8724ba2b3579041c02e2678db50bd21  buildroot-2020.11.2.tar.gz

buildroot/rebuild.sh

@@ -32,14 +32,14 @@ CONFIGS=()
 while ((${#})); do
     case ${1} in
         all) for CONFIG in *.config; do CONFIGS+=("../${CONFIG}"); done ;;
-        arm64 | arm | mips | mipsel | ppc32 | ppc64 | ppc64le | riscv | s390 | x86 | x86_64) CONFIGS+=("../${1}.config") ;;
+        arm64 | arm64be | arm | mips | mipsel | ppc32 | ppc64 | ppc64le | riscv | s390 | x86 | x86_64) CONFIGS+=("../${1}.config") ;;
         *) die "Unknown parameter '${1}', exiting!" ;;
     esac
     shift
 done
 
 # Download latest LTS buildroot release
-BUILDROOT_VERSION=2020.11-rc1
+BUILDROOT_VERSION=2020.11.2
 if [[ -d src ]]; then
     if [[ $(cd src && make print-version | cut -d - -f 1 2>/dev/null) != "${BUILDROOT_VERSION}" ]]; then
         rm -rf src
@@ -78,6 +78,6 @@ for CONFIG in "${CONFIGS[@]}"; do
     IMAGES=("output/images/rootfs.cpio")
     for IMAGE in "${IMAGES[@]}"; do
         [[ -f ${IMAGE} ]] || die "${IMAGE} could not be found! Did the build error?"
-        zstd -19 "${IMAGE}" -o "${IMAGES_FOLDER}/${IMAGE##*/}.zst" || die "Compressing ${IMAGE##*/} failed!"
+        zstd -f -19 "${IMAGE}" -o "${IMAGES_FOLDER}/${IMAGE##*/}.zst" || die "Compressing ${IMAGE##*/} failed!"
     done
 done