Add aarch64_be-unknown-linux-gnu target

Two new packages are installed in crosstool-ng.sh because they aren't
preinstalled in the Ubuntu 24.04 base image:

- adduser is directly invoked in the script
- bzip2 is needed while building crosstool-ng

Author: neuschaefer

README.md

@@ -206,6 +206,7 @@ terminate.
 | `aarch64-unknown-linux-gnu`            | 2.31   | 9.4.0  | ✓   | 6.1.0 |   ✓    |
 | `aarch64-unknown-linux-gnu:centos` [7] | 2.17   | 4.8.5  |     | 4.2.1 |   ✓    |
 | `aarch64-unknown-linux-musl`           | 1.2.3  | 9.2.0  | ✓   | 6.1.0 |   ✓    |
+| `aarch64_be-unknown-linux-gnu`         | 2.36   | 14.2.0 | ✓   | 6.1.0 |   ✓    |
 | `arm-linux-androideabi` [1]            | 9.0.8  | 9.0.8  | ✓   | 6.1.0 |   ✓    |
 | `arm-unknown-linux-gnueabi`            | 2.31   | 9.4.0  | ✓   | 6.1.0 |   ✓    |
 | `arm-unknown-linux-gnueabihf`          | 2.31   | 8.5.0  | ✓   | 6.1.0 |   ✓    |

docker/Dockerfile.aarch64_be-unknown-linux-gnu

@@ -0,0 +1,42 @@
+FROM ubuntu:24.04 AS cross-base
+ENV DEBIAN_FRONTEND=noninteractive
+
+COPY common.sh lib.sh /
+RUN /common.sh
+
+COPY cmake.sh /
+RUN /cmake.sh
+
+FROM cross-base AS build
+
+ARG VERBOSE
+COPY crosstool-ng.sh /
+COPY crosstool-config/aarch64_be-unknown-linux-gnu.config /
+RUN /crosstool-ng.sh aarch64_be-unknown-linux-gnu.config 5
+
+ENV PATH=/x-tools/aarch64_be-unknown-linux-gnu/bin/:$PATH
+
+COPY qemu.sh /
+RUN /qemu.sh aarch64_be
+
+COPY qemu-runner base-runner.sh /
+COPY toolchain.cmake /opt/toolchain.cmake
+
+ENV CROSS_TOOLCHAIN_PREFIX=aarch64_be-unknown-linux-gnu-
+ENV CROSS_SYSROOT=/x-tools/aarch64_be-unknown-linux-gnu/aarch64_be-unknown-linux-gnu/sysroot/
+ENV CROSS_TARGET_RUNNER="/qemu-runner aarch64_be"
+ENV CARGO_TARGET_AARCH64_BE_UNKNOWN_LINUX_GNU_LINKER="$CROSS_TOOLCHAIN_PREFIX"gcc \
+    CARGO_TARGET_AARCH64_BE_UNKNOWN_LINUX_GNU_RUNNER="$CROSS_TARGET_RUNNER" \
+    AR_aarch64_be_unknown_linux_gnu="$CROSS_TOOLCHAIN_PREFIX"ar \
+    CC_aarch64_be_unknown_linux_gnu="$CROSS_TOOLCHAIN_PREFIX"gcc \
+    CXX_aarch64_be_unknown_linux_gnu="$CROSS_TOOLCHAIN_PREFIX"g++ \
+    CMAKE_TOOLCHAIN_FILE_aarch64_be_unknown_linux_gnu=/opt/toolchain.cmake \
+    BINDGEN_EXTRA_CLANG_ARGS_aarch64_be_unknown_linux_gnu="--sysroot=$CROSS_SYSROOT -idirafter/usr/include" \
+    QEMU_LD_PREFIX="$CROSS_SYSROOT" \
+    RUST_TEST_THREADS=1 \
+    CROSS_CMAKE_SYSTEM_NAME=Linux \
+    CROSS_CMAKE_SYSTEM_PROCESSOR=aarch64_be \
+    CROSS_CMAKE_CRT=gnu \
+    CROSS_CMAKE_OBJECT_FLAGS="-ffunction-sections -fdata-sections -fPIC"
+
+RUN sed -e "s#@DEFAULT_QEMU_LD_PREFIX@#$QEMU_LD_PREFIX#g" -i /qemu-runner

docker/crosstool-config/aarch64_be-unknown-linux-gnu.config

@@ -0,0 +1,38 @@
+CT_CONFIG_VERSION="4"
+CT_PREFIX_DIR="/x-tools/${CT_TARGET}"
+CT_DOWNLOAD_AGENT_CURL=y
+CT_ARCH_ARM=y
+CT_ARCH_64=y
+CT_ARCH_BE=y
+CT_ARCH_FLOAT_HW=y
+CT_KERNEL_LINUX=y
+CT_LINUX_V_5_19=y
+# CT_LINUX_NO_VERSIONS is not set
+CT_LINUX_VERSION="5.19.16"
+CT_LINUX_later_than_4_8=y
+CT_LINUX_4_8_or_later=y
+CT_LINUX_later_than_3_7=y
+CT_LINUX_3_7_or_later=y
+CT_LINUX_later_than_3_2=y
+CT_LINUX_3_2_or_later=y
+CT_GLIBC_V_2_36=y
+# CT_GLIBC_NO_VERSIONS is not set
+CT_GLIBC_VERSION="2.36"
+CT_GLIBC_2_17_or_later=y
+CT_GLIBC_later_than_2_14=y
+CT_GLIBC_2_14_or_later=y
+CT_GCC_V_14=y
+# CT_GCC_NO_VERSIONS is not set
+CT_GCC_VERSION="14.2.0"
+CT_GCC_later_than_7=y
+CT_GCC_7_or_later=y
+CT_GCC_later_than_6=y
+CT_GCC_6_or_later=y
+CT_GCC_later_than_5=y
+CT_GCC_5_or_later=y
+CT_GCC_later_than_4_9=y
+CT_GCC_4_9_or_later=y
+CT_GCC_later_than_4_8=y
+CT_GCC_4_8_or_later=y
+CT_CC_LANG_CXX=y
+

docker/crosstool-ng.sh

@@ -27,8 +27,11 @@ main() {
     local sleep=15s
     local timeout=5m
 
-    install_packages autoconf \
+    install_packages \
+        adduser \
+        autoconf \
         bison \
+        bzip2 \
         curl \
         flex \
         gawk \

docker/linux-runner

@@ -53,7 +53,7 @@ drivernet="virtio-net-pci"
 
 # select qemu parameters
 case "${arch}" in
-    aarch64)
+    aarch64|aarch64_be)
         # 8 is the max number of cpu supported by qemu-aarch64
         n=$(( n > 8 ? 8 : n ))
         opt="-machine virt -cpu cortex-a57"

src/docker/provided_images.rs

@@ -23,6 +23,11 @@ pub static PROVIDED_IMAGES: &[ProvidedImage] = &[
             platforms: &[ImagePlatform::X86_64_UNKNOWN_LINUX_GNU],
             sub: None
         },
+        ProvidedImage {
+            name: "aarch64_be-unknown-linux-gnu",
+            platforms: &[ImagePlatform::X86_64_UNKNOWN_LINUX_GNU],
+            sub: None
+        },
         ProvidedImage {
             name: "arm-unknown-linux-gnueabi",
             platforms: &[ImagePlatform::X86_64_UNKNOWN_LINUX_GNU],

targets.toml

@@ -54,6 +54,16 @@ std = true
 run = true
 runners = "qemu-user qemu-system"
 
+[[target]]
+target = "aarch64_be-unknown-linux-gnu"
+os = "ubuntu-latest"
+cpp = true
+dylib = true
+std = true
+run = true
+runners = "qemu-user"
+build-std = true
+
 [[target]]
 target = "arm-unknown-linux-gnueabi"
 os = "ubuntu-latest"