Add build test for kernel 5.4, 5.10

.github/workflows/driver-cross-build.yml

@@ -16,45 +16,47 @@ on:
 jobs:
   build:
     strategy:
+      fail-fast: false
       matrix:
         env:
-          - { RPI_LINUX_VER: rpi-4.1.y, CONFIG_FILE: config-4.1.21-v7+, RPI_LINUX_COMMIT_HASH: ff45bc0 }
-          - { RPI_LINUX_VER: rpi-4.4.y, CONFIG_FILE: config-4.4.38-v7+, RPI_LINUX_COMMIT_HASH: c95b7f1 }
-          - { RPI_LINUX_VER: rpi-4.14.y, CONFIG_FILE: config-4.14.34-v7+, RPI_LINUX_COMMIT_HASH: f70eae4 }
+          - { RPI_LINUX_VER: rpi-4.1.y, CONFIG_FILE: config-4.1.21-v7+, RPI_LINUX_COMMIT_HASH: ff45bc0, GCC_VER: 4.8 }
+          - { RPI_LINUX_VER: rpi-4.4.y, CONFIG_FILE: config-4.4.38-v7+, RPI_LINUX_COMMIT_HASH: c95b7f1, GCC_VER: 4.8 }
+          - { RPI_LINUX_VER: rpi-4.14.y, CONFIG_FILE: config-4.14.34-v7+, RPI_LINUX_COMMIT_HASH: f70eae4, GCC_VER: 4.8 }
+          - { RPI_LINUX_VER: rpi-5.4.y, CONFIG_FILE: config-5.4.83-v7+, RPI_LINUX_COMMIT_HASH: 76c49e6, GCC_VER: 6.3 }
+          - { RPI_LINUX_VER: rpi-5.4.y, CONFIG_FILE: config-5.4.83-v7+, RPI_LINUX_COMMIT_HASH: 76c49e6, GCC_VER: 8.3 }
+          - { RPI_LINUX_VER: rpi-5.10.y, CONFIG_FILE: config-5.10.11-v7+, RPI_LINUX_COMMIT_HASH: 6af8ae3, GCC_VER: 6.3 }
+          - { RPI_LINUX_VER: rpi-5.10.y, CONFIG_FILE: config-5.10.11-v7+, RPI_LINUX_COMMIT_HASH: 6af8ae3, GCC_VER: 8.3 }
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
 
       - name: Install cross-build settings
+        id: gcc
+        env:
+          GCC_VER: ${{ matrix.env.GCC_VER }}
+          SRC_DIR: ${{ github.workspace }}
         run: |
-          mkdir -p ${HOME}/repo/raspberrypi
-          if [ -e ${HOME}/repo/raspberrypi/tools ]; then (cd ${HOME}/repo/raspberrypi/tools && git pull); else (cd ${HOME}/repo/raspberrypi && git clone --depth 1 https://github.com/raspberrypi/tools.git); fi
+          source ./.test/step0.sh
+          prepare_cross_compiler
+          echo "::set-output name=path::${CROSS_COMPILE_PATH}"
 
       - name: Install kernel headers
         env:
           RPI_LINUX_VER: ${{ matrix.env.RPI_LINUX_VER }}
           CONFIG_FILE: ${{ matrix.env.CONFIG_FILE }}
           RPI_LINUX_COMMIT_HASH: ${{ matrix.env.RPI_LINUX_COMMIT_HASH }}
+          GCC_VER: ${{ matrix.env.GCC_VER }}
+          CROSS_COMPILE_PATH: ${{ steps.gcc.outputs.path }}
+          SRC_DIR: ${{ github.workspace }}
         run: |
-          if [ -e ${HOME}/repo/raspberrypi/linux ]; then (cd ${HOME}/repo/raspberrypi/linux && git fetch origin && git checkout ${RPI_LINUX_VER} && git pull); else (cd ${HOME}/repo/raspberrypi && git clone -b ${RPI_LINUX_VER} https://github.com/raspberrypi/linux.git); fi
-          cd ${HOME}/repo/raspberrypi/linux && make clean && git reset --hard HEAD && git checkout ${RPI_LINUX_COMMIT_HASH}
-          cp "${GITHUB_WORKSPACE}/.test/${CONFIG_FILE}" ${HOME}/repo/raspberrypi/linux/.config
-          make CROSS_COMPILE=${HOME}/repo/raspberrypi/tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian-x64/bin/arm-linux-gnueabihf- ARCH=arm oldconfig
-          make CROSS_COMPILE=${HOME}/repo/raspberrypi/tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian-x64/bin/arm-linux-gnueabihf- ARCH=arm -j 8
+          source ./.test/step1.sh
+          install_kernel_headers
 
       - name: Build kernel module
+        env:
+          CROSS_COMPILE_PATH: ${{ steps.gcc.outputs.path }}
+          SRC_DIR: ${{ github.workspace }}
         run: |
-          cd ${GITHUB_WORKSPACE}/src/drivers
-          make -f ${GITHUB_WORKSPACE}/.test/Makefile.crosscompile
-
-      - name: Output kernel module info
-        run: |
-          uname -a
-          echo ${{ matrix.env.RPI_LINUX_VER }} ${{ matrix.env.CONFIG_FILE }} ${{ matrix.env.RPI_LINUX_COMMIT_HASH }}
-          cd ${GITHUB_WORKSPACE}/src/drivers
-          modinfo rtmouse.ko
+          source ./.test/step2.sh
+          build_kernel_module
 
-      - name: Clean up kernel module
-        run: |
-          cd ${GITHUB_WORKSPACE}/src/drivers
-          make -f ${GITHUB_WORKSPACE}/.test/Makefile.crosscompile clean

.test/Makefile.crosscompile

@@ -10,8 +10,8 @@ obj-m := $(MODULES)
 all: $(MODULES:.o=.ko)
 
 rtmouse.ko: rtmouse.c
-	make ARCH=$(ARCH) CROSS_COMPILE=$(CROSS_COMPILE) -C $(KERNEL_SRC) M=$(BUILD_DIR) V=1 modules
+	make ARCH=$(ARCH) CROSS_COMPILE=$(CROSS_COMPILE) -C $(KERNEL_SRC) M=$(BUILD_DIR) V=0 modules
 
 clean:
-	make ARCH=$(ARCH) CROSS_COMPILE=$(CROSS_COMPILE) -C $(KERNEL_SRC) M=$(BUILD_DIR) V=1 clean
+	make ARCH=$(ARCH) CROSS_COMPILE=$(CROSS_COMPILE) -C $(KERNEL_SRC) M=$(BUILD_DIR) V=0 clean
 

.test/README.md

@@ -0,0 +1,65 @@
+This directory stores configuration files and scripts for build test.
+
+To run build test on your local machine, modify config in  `test.sh` and execute `./test.sh`.
+
+# Appendix
+
+## Dump kernel config file
+
+Run the following commands in Raspberry Pi OS to dump the kernel config file.
+
+```
+sudo modprobe configs
+zcat /proc/config.gz > config-$(uname -r)
+```
+
+## GCC Versions
+
+### https://github.com/raspberrypi/tools
+
+GCC 4.8 or 4.9
+
+
+```
+$ ./tools/arm-bcm2708/arm-rpi-4.9.3-linux-gnueabihf/bin/arm-linux-gnueabihf-gcc --version
+arm-linux-gnueabihf-gcc (crosstool-NG crosstool-ng-1.22.0-88-g8460611) 4.9.3
+Copyright (C) 2015 Free Software Foundation, Inc.
+This is free software; see the source for copying conditions.  There is NO
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+```
+
+```
+$ ./tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian-x64/bin/arm-linux-gnueabihf-gcc --version
+arm-linux-gnueabihf-gcc (crosstool-NG linaro-1.13.1+bzr2650 - Linaro GCC 2014.03) 4.8.3 20140303 (prerelease)
+Copyright (C) 2013 Free Software Foundation, Inc.
+This is free software; see the source for copying conditions.  There is NO
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+```
+
+### Raspbian Stretch
+
+GCC 6.3
+
+### Raspbian Buster
+
+GCC 8.3
+
+```
+$ lsb_release -a
+No LSB modules are available.
+Distributor ID:	Raspbian
+Description:	Raspbian GNU/Linux 10 (buster)
+Release:	10
+Codename:	buster
+$ gcc --version
+gcc (Raspbian 8.3.0-6+rpi1) 8.3.0
+Copyright (C) 2018 Free Software Foundation, Inc.
+This is free software; see the source for copying conditions.  There is NO
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+```
+
+## REF
+
+https://gcc.gnu.org/gcc-4.9/changes.html
+
+https://github.com/abhiTronix/raspberry-pi-cross-compilers