feat: add loong64 support

.github/workflows/build.yaml

@@ -35,6 +35,7 @@ jobs:
         - { qemu_arch: x86_64,  appimage_arch: x86_64 }
         - { qemu_arch: armv7,   appimage_arch: armhf }
         - { qemu_arch: aarch64, appimage_arch: aarch64 }
+        - { qemu_arch: loong64, appimage_arch: loong64 }
 
     steps:
     - name: Checkout
@@ -46,12 +47,21 @@ jobs:
            git rev-parse --short HEAD  | xargs >> src/runtime/version
 
     - name: Build
+      if: matrix.appimage_arch != 'loong64'
       env:
         ARCHITECTURE: ${{ matrix.appimage_arch }}
       run: |
            sudo apt-get -y install qemu-user-static
            ./chroot_build.sh
 
+    - name: Build Loongarch
+      if: matrix.appimage_arch == 'loong64'
+      env:
+        ARCHITECTURE: ${{ matrix.appimage_arch }}
+      run: |
+          ./prepare_loong64.sh
+          ./chroot_build.sh
+
     - name: Sign
       env:
         SIGNING_KEY: ${{ secrets.SIGNING_KEY }}

.gitignore

@@ -50,3 +50,10 @@ modules.order
 Module.symvers
 Mkfile.old
 dkms.conf
+
+miniroot
+fuse-3.15.0
+out
+squa*
+*.tar.*
+tmp

build.sh

@@ -6,8 +6,15 @@ if ! command -v apk; then
 	echo "This script should be run in an Alpine container"
 	exit 1
 fi
-
+if [ "$ARCHITECTURE" == "" ] && [ "$1" != "" ];then
+	ARCHITECTURE=$1
+fi
+uname -m
 apk update
+if [ "$ARCHITECTURE" == "loong64" ];then
+	# only loong64 can install this package, other arch can not install it.
+	apk add --no-cache zstd-static
+fi
 apk add alpine-sdk util-linux strace file autoconf automake libtool xz
 
 # Build static libfuse3 with patch for https://github.com/AppImage/type2-runtime/issues/10

chroot_build.sh

@@ -2,11 +2,22 @@
 
 set -ex
 
+cleanup () {
+    if [ -d "./miniroot" ];then
+        sudo umount miniroot/proc miniroot/sys miniroot/dev
+    fi
+    # sudo rm -rf ./miniroot
+}
+trap cleanup EXIT
+
 #############################################
 # Download and extract minimal Alpine system
 #############################################
-
-wget "http://dl-cdn.alpinelinux.org/alpine/v3.17/releases/${ARCHITECTURE}/alpine-minirootfs-3.17.2-${ARCHITECTURE}.tar.gz"
+if [ "$ARCHITECTURE" = "loong64" ];then
+    wget -c "https://dev.alpinelinux.org/~loongarch/edge/releases/loongarch64/alpine-minirootfs-edge-240514-loongarch64.tar.gz" -O alpine-minirootfs-edge-240514-loong64.tar.gz
+else
+    wget "http://dl-cdn.alpinelinux.org/alpine/v3.17/releases/${ARCHITECTURE}/alpine-minirootfs-3.17.2-${ARCHITECTURE}.tar.gz"
+fi
 sudo rm -rf ./miniroot  true # Clean up from previous runs
 mkdir -p ./miniroot
 cd ./miniroot
@@ -40,6 +51,11 @@ elif [ "$ARCHITECTURE" = "armhf" ] ; then
     echo "Architecture is armhf, hence using qemu-arm-static"
     sudo cp "$(which qemu-arm-static)" miniroot/usr/bin
     sudo cp build.sh miniroot/build.sh && sudo chroot miniroot qemu-arm-static /bin/sh -ex /build.sh
+elif [ "$ARCHITECTURE" = "loong64" ] ; then
+    # export PATH="./tmp/qemu-user-static/usr/bin:$PATH"
+    echo "Architecture is loongarch64, hence using qemu-loongarch64-static"
+    sudo cp "$(which qemu-loongarch64-static)" miniroot/usr/bin
+    sudo cp build.sh miniroot/build.sh && sudo chroot miniroot qemu-loongarch64-static /bin/sh -ex /build.sh $ARCHITECTURE
 else
     echo "Edit chroot_build.sh to support this architecture as well, it should be easy"
     exit 1

prepare_loong64.sh

@@ -0,0 +1,34 @@
+#!/bin/sh
+
+set -ex
+
+cleanup () {
+    echo "clean"
+}
+trap cleanup EXIT
+
+mkdir -p tmp
+cd tmp
+mkdir -p qemu-user-static
+cd qemu-user-static
+wget -c https://archlinux.org/packages/extra/x86_64/qemu-user-static/download/ -O qemu-user-static.pkg.tar.zst
+unzstd qemu-user-static.pkg.tar.zst
+tar -xf qemu-user-static.pkg.tar
+sudo mv ./usr/bin/* /usr/bin
+ls -l /usr/bin/qemu-*
+cd ..
+
+mkdir -p qemu-user-static-binfmt
+cd qemu-user-static-binfmt
+wget -c https://archlinux.org/packages/extra/x86_64/qemu-user-static-binfmt/download/ -O qemu-user-static-binfmt.pkg.tar.zst
+unzstd qemu-user-static-binfmt.pkg.tar.zst
+tar -xf qemu-user-static-binfmt.pkg.tar
+sudo mv ./usr/lib/binfmt.d/* /usr/lib/binfmt.d
+ls -l /usr/lib/binfmt.d/qemu-*
+cd ..
+
+sudo systemctl restart systemd-binfmt.service
+
+# from https://packages.ubuntu.com/noble/amd64/qemu-user-static/download
+# wget -c http://kr.archive.ubuntu.com/ubuntu/pool/universe/q/qemu/qemu-user-static_8.2.2+ds-0ubuntu1_amd64.deb
+# sudo dpkg -i qemu-user-static_8.2.2+ds-0ubuntu1_amd64.deb