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Add linux-loongarch64 images
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‎src/azurelinux/3.0/net10.0/cross/loongarch64-musl/Dockerfile‎

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ARG ROOTFS_DIR=/crossrootfs/loongarch64
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FROM mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-net10.0-crossdeps-builder-amd64 AS builder
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ARG ROOTFS_DIR
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RUN /scripts/eng/common/cross/build-rootfs.sh loongarch64 alpine3.20 --skipunmount
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RUN TARGET_TRIPLE="loongarch64-alpine-linux-musl" && \
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cmake -S llvm-project.src/runtimes -B runtimes \
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-DCMAKE_BUILD_TYPE=Release \
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-DCMAKE_ASM_COMPILER=clang \
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-DCMAKE_C_COMPILER=clang \
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-DCMAKE_CXX_COMPILER=clang++ \
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-DCMAKE_ASM_COMPILER_TARGET="$TARGET_TRIPLE" \
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-DCMAKE_C_COMPILER_TARGET="$TARGET_TRIPLE" \
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-DCMAKE_CXX_COMPILER_TARGET="$TARGET_TRIPLE" \
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# We're going to link the static libraries we build here into PIC images, so build the static libraries as PIC.
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-DCMAKE_POSITION_INDEPENDENT_CODE=ON \
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-DCMAKE_SYSROOT="$ROOTFS_DIR" \
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# Specify linker to use for exes directly for CMake toolchain detection
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-DCMAKE_EXE_LINKER_FLAGS="-fuse-ld=lld" \
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# Don't search for tools in the sysroot as we're cross-compiling
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-DCMAKE_FIND_ROOT_PATH_MODE_PROGRAM="NEVER" \
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-DLLVM_USE_LINKER=lld \
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-DLLVM_ENABLE_RUNTIMES="libcxx" \
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-DLIBCXX_ENABLE_SHARED=OFF \
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-DLIBCXX_HAS_MUSL_LIBC=ON \
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-DLIBCXX_CXX_ABI=libstdc++ \
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-DLIBCXX_CXX_ABI_INCLUDE_PATHS="$ROOTFS_DIR/usr/include/c++/14.2.0/;$ROOTFS_DIR/usr/include/c++/14.2.0/$TARGET_TRIPLE" && \
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cmake --build runtimes -j $(getconf _NPROCESSORS_ONLN) && \
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cmake --install runtimes --prefix "$ROOTFS_DIR/usr"
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FROM mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-net10.0-crossdeps-llvm-amd64
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ARG ROOTFS_DIR
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COPY --from=builder $ROOTFS_DIR $ROOTFS_DIR

‎src/azurelinux/3.0/net10.0/cross/loongarch64/Dockerfile‎

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ARG ROOTFS_DIR=/crossrootfs/loongarch64
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FROM mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-net10.0-crossdeps-builder-amd64 AS builder
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ARG ROOTFS_DIR
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# Install the latest debootstrap
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RUN tdnf remove -y debootstrap && \
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curl -fsL -o debootstrap.tar.gz https://deb.debian.org/debian/pool/main/d/debootstrap/debootstrap_1.0.138.tar.gz && \
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echo "e8e8b72388b6e5ced65d1b5e69ce0b9e13f4813da0c328a52add57ee5f79430a debootstrap.tar.gz" | sha256sum -c - && \
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tar xzf debootstrap.tar.gz -C / && \
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ln -s /debootstrap/debootstrap -t /usr/local/bin && \
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rm -f debootstrap.tar.gz
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# temp
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RUN rm -rf /scripts && git clone --depth 1 --single-branch https://github.com/am11/arcade -b patch-14 /scripts
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RUN /scripts/eng/common/cross/build-rootfs.sh loongarch64 sid --skipunmount --skipsigcheck
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RUN TARGET_TRIPLE="loongarch64-linux-gnu" && \
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CLANG_MAJOR_VERSION=$(clang --version | grep -oP "(?<=version )\d+") && \
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cmake -S llvm-project.src/runtimes -B runtimes \
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-DCMAKE_BUILD_TYPE=Release \
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-DCMAKE_ASM_COMPILER=clang \
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-DCMAKE_C_COMPILER=clang \
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-DCMAKE_CXX_COMPILER=clang++ \
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-DCMAKE_ASM_COMPILER_TARGET="$TARGET_TRIPLE" \
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-DCMAKE_C_COMPILER_TARGET="$TARGET_TRIPLE" \
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-DCMAKE_CXX_COMPILER_TARGET="$TARGET_TRIPLE" \
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# We're going to link the static libraries we build here into PIC images, so build the static libraries as PIC.
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-DCMAKE_POSITION_INDEPENDENT_CODE=ON \
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-DCMAKE_SYSROOT="$ROOTFS_DIR" \
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# Specify linker to use for exes directly for CMake toolchain detection
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-DCMAKE_EXE_LINKER_FLAGS="-fuse-ld=lld" \
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# Don't search for tools in the sysroot as we're cross-compiling
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-DCMAKE_FIND_ROOT_PATH_MODE_PROGRAM="NEVER" \
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-DLLVM_USE_LINKER=lld \
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-DLLVM_ENABLE_RUNTIMES="libcxx;compiler-rt" \
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-DLIBCXX_ENABLE_SHARED=OFF \
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-DLIBCXX_CXX_ABI=libstdc++ \
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-DLIBCXX_CXX_ABI_INCLUDE_PATHS="$ROOTFS_DIR/usr/include/c++/13/;$ROOTFS_DIR/usr/include/$TARGET_TRIPLE" \
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-DCOMPILER_RT_CXX_LIBRARY="libcxx" \
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-DCOMPILER_RT_STATIC_CXX_LIBRARY=ON \
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-DCOMPILER_RT_BUILD_SANITIZERS=OFF \
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-DCOMPILER_RT_BUILD_MEMPROF=OFF \
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# The libfuzzer build in LLVM doesn't correctly forward the required CMake properties to the "fuzzed libc++" build
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# so skip it here.
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-DCOMPILER_RT_BUILD_LIBFUZZER=OFF \
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-DCOMPILER_RT_DEFAULT_TARGET_ONLY=ON \
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-DCOMPILER_RT_INSTALL_PATH="/usr/local/lib/clang/$CLANG_MAJOR_VERSION" && \
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cmake --build runtimes -j $(getconf _NPROCESSORS_ONLN) && \
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cmake --install runtimes --prefix "$ROOTFS_DIR/usr"
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FROM mcr.microsoft.com/dotnet-buildtools/prereqs:azurelinux-3.0-net10.0-crossdeps-llvm-amd64
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ARG ROOTFS_DIR
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COPY --from=builder /usr/local/lib/clang /usr/local/lib/clang/
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COPY --from=builder $ROOTFS_DIR $ROOTFS_DIR

‎src/azurelinux/manifest.json‎

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}
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]
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},
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{
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"platforms": [
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{
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"dockerfile": "src/azurelinux/3.0/net10.0/cross/loongarch64",
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"os": "linux",
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"osVersion": "azurelinux3.0",
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"tags": {
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"azurelinux-3.0-net10.0-cross-loongarch64": {}
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}
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}
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]
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}, {
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"platforms": [
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{
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"dockerfile": "src/azurelinux/3.0/net10.0/cross/loongarch64-musl",
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"os": "linux",
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"osVersion": "azurelinux3.0",
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"tags": {
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"azurelinux-3.0-net10.0-cross-loongarch64-musl": {}
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}
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}
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]
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},
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{
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"platforms": [
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{

‎src/ubuntu/build-scripts/install-cross-build-prereqs.sh‎

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# Stop script if unbound variable found (use ${var:-} if intentional)
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set -u
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# we need to make sure that we install binfmt >= 2.2.0 and qemu-user-static >= 1.4.2,
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# which are available in Ubuntu 20.04+ repositories
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. /etc/os-release
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if [ "$(echo "$VERSION_ID" | tr -d .)" -lt 2004 ]; then
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sed "s/$UBUNTU_CODENAME/focal/g" /etc/apt/sources.list | sudo dd of=/etc/apt/sources.list.d/focal.list
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fi
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# we need to use ubuntu repo for new architectures like qemu-loongarch64-static which are not available in microsoft sources
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# backup and create single source for this distro
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sudo mv /etc/apt/sources.list.d{,_}
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sudo mv /etc/apt/sources.list{,_}
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sudo mkdir /etc/apt/sources.list.d
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sudo tee "/etc/apt/sources.list.d/ubuntu.sources" > /dev/null <<EOF
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Types: deb
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URIs: http://archive.ubuntu.com/ubuntu
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Suites: noble noble-updates noble-security
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Components: main restricted universe multiverse
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EOF
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# Function to install necessary packages
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function installPkgs {
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sudo apt-get update
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# see (see https://github.com/dotnet/dotnet-buildtools-prereqs-docker/issues/120)
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exit 1
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fi
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done
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# restore the original sources
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sudo rm -rf /etc/apt/sources.list.d
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sudo mv /etc/apt/sources.list.d{_,}
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sudo mv /etc/apt/sources.list{_,}
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docker version
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docker info
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echo testing
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ls /proc/sys/fs/binfmt_misc
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echo testing---1
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ls /usr/bin/qemu*
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echo testing---2
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qemu-riscv64-static --version
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echo cat binfmt
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cat /proc/sys/fs/binfmt_misc/status
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echo testing0
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for entry in /proc/sys/fs/binfmt_misc/*; do
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if [[ $(basename "$entry") != "status" && $(basename "$entry") != "register" ]]; then
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echo "=== $(basename "$entry") ==="
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cat "$entry"
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echo
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fi
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done
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echo testing---z
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docker run --rm --privileged --pid=host debian nsenter -t 1 -m -u -n -i ls /proc/sys/fs/binfmt_misc
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docker run --rm --privileged --pid=host debian nsenter -t 1 -m -u -n -i sh -c 'ls /usr/bin/qemu*'
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docker run --rm --privileged --pid=host debian nsenter -t 1 -m -u -n -i qemu-riscv64-static --version
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docker run --rm --privileged --pid=host debian nsenter -t 1 -m -u -n -i qemu-loongarch64-static --version

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