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72 lines
1.9 KiB
Markdown
72 lines
1.9 KiB
Markdown
# Kernel for uConsole_CM4_v3.1_64bit.img
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Kernel source tree:
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`https://github.com/cuu/ClockworkPi-linux` branch rpi-6.12.y
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Commit hash:
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`03436f4117533693d608b10eb4b3965987230b68`
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# How to compile the kernel
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```
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export ARCH=arm64
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export CROSS_COMPILE=aarch64-linux-gnu-
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export DTS_SUBDIR=broadcom
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export IMAGE=Image.gz
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export KERNEL=kernel8
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make O=build bcm2711_defconfig
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make O=build menuconfig
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make O=build -j 2 $IMAGE headers modules dtbs V=1
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mkdir -p install/boot/overlays
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make O=build INSTALL_MOD_PATH=install modules_install
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cp build/arch/$ARCH/boot/dts/$DTS_SUBDIR/*.dtb install/boot/
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cp build/arch/$ARCH/boot/dts/overlays/*.dtb* install/boot/overlays/
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cp arch/${ARCH}/boot/dts/overlays/README install/boot/overlays/
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cp build/arch/$ARCH/boot/$IMAGE install/boot/kernel8.img
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rm -rf install/lib
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mv build/install/lib/ install
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rm -rf install.tar.gz
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tar zcvf install.tar.gz install
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```
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## How to package kernel files to a deb file
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Use the files produced above
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```
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VERSION=$(make O=build kernelrelease | sed -n '2p')
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DEB_FOLDER=uconsole-kernel-cm4-rpi_$VERSION
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mkdir -p $DEB_FOLDER/boot/firmware/overlays
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mkdir -p $DEB_FOLDER/usr/src
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make O=build INSTALL_MOD_PATH=install modules_install
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make O=build INSTALL_HDR_PATH=install headers_install
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cp build/arch/$ARCH/boot/dts/$DTS_SUBDIR/*.dtb $DEB_FOLDER/boot/firmware
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cp build/arch/$ARCH/boot/dts/overlays/*.dtb* $DEB_FOLDER/boot/firmware/overlays/
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cp arch/${ARCH}/boot/dts/overlays/README $DEB_FOLDER/boot/firmware/overlays/
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cp build/arch/$ARCH/boot/$IMAGE $DEB_FOLDER/boot/firmware/kernel8.img
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rm -rf $DEB_FOLDER/lib
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cp -rf build/install/lib/ $DEB_FOLDER
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cp build/.config $DEB_FOLDER/boot/config-${VERSION}
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cp build/System.map $DEB_FOLDER/boot/System.map-${VERSION}
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cp build/arch/$ARCH/boot/$IMAGE $DEB_FOLDER/boot/vmlinuz-${VERSION}
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cp -rf build/install/include/ $DEB_FOLDER/usr/src/linux-headers-${VERSION}
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rm -rf ${DEB_FOLDER}.tar.gz
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tar zcvf ${DEB_FOLDER}.tar.gz ${DEB_FOLDER}
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```
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