153 lines
3.9 KiB
Bash
Executable File
153 lines
3.9 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Usage: ./make-virtio-kernel
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# or
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# bash make-virtio-kernel
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# Description: Crossbuild four (4) RPi-kernels from given releases
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# of the raspberrypi kernel (github).
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# Author: Patrick Neumann (patrick@neumannsland.de)
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# Platform: Debian GNU/Linux (tested: 10.x)
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# Version: 1.00
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# Date: 23.09.2020
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# Link: ...
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# License: GPL3
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# Warranty: This program is distributed WITHOUT ANY WARRANTY
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# mapping archive to linux kernel version:
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# - 1.20200902-1 = 5.4.51
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# - 1.20200601+amd64-1 = 5.4.42
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# - 1.20200212-1 = 4.19.97
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# - 1.20200114-1 = 4.19.93
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# - 1.20190925-1 = 4.19.75
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# - 1.20190819-1 = 4.19.66
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# - 1.20190718-1 = 4.19.58
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# - 1.20190709-1 = 4.19.57
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# - 1.20190620-1 = 4.19.50 (32-Bit only!?)
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# - 1.20190517-1 = 4.19.42 (32-Bit only!?)
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# - 1.20190401-1 = 4.14.98 (32-Bit only!?)
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# check os:
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readonly OS="Debian GNU/Linux 10"
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if ! grep --fixed-strings "${OS}" /usr/lib/os-release > /dev/null 2>&1 ; then
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echo "Only ${OS} is supported!"
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exit 1
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fi
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# check and install deps if necessary:
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readonly PACKAGES="git
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bc
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bison
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flex
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libssl-dev
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make
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libc6dev
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libncurses5-dev
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crossbuild-essential-armhf
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crossbuild-essential-arm64"
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for package in ${PACKAGES} ; do
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if ! dpkg -s "${package}" > /dev/null 2>&1 ; then
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sudo apt install "${package}" --assume-yes
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fi
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done
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# check and generate config fragment file if necessary:
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if ! [ -r ./.config-virtio ] ; then
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cat <<EOF > ./.config-virtio
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CONFIG_BLK_MQ_VIRTIO=y
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CONFIG_VIRTIO_BLK=y
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CONFIG_VIRTIO_BLK_SCSI=y
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CONFIG_VIRTIO_NET=y
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CONFIG_VIRTIO_CONSOLE=y
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CONFIG_DRM_VIRTIO_GPU=y
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CONFIG_VIRTIO=y
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CONFIG_VIRTIO_MENU=y
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CONFIG_VIRTIO_PCI=y
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CONFIG_VIRTIO_PCI_LEGACY=y
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CONFIG_VIRTIO_BALLOON=y
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CONFIG_VIRTIO_INPUT=y
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CONFIG_VIRTIO_MMIO=y
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CONFIG_VIRTIO_MMIO_CMDLINE_DEVICES=y
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EOF
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fi
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# adjust number of jobs to cores (+ hypter threading):
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readonly CPUS="$( lscpu | awk '/^CPU\(s\):/ { print $NF; }' )"
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readonly JOBS="$( echo "12 * 1.5 / 1" | bc )"
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readonly RELEASES="1.20200114-1
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1.20200212-1
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1.20200601+amd64-1
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1.20200902-1
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1.20190925-1
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1.20190819-1
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1.20190718-1
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1.20190709-1
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1.20190620-1
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1.20190517-1
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1.20190401-1
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1.20190709-1
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1.20190620-1
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1.20190517-1
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1.20190401-1"
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for release in ${RELEASES} ; do
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# download, extract, version,...
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archive="raspberrypi-kernel_${release}.tar.gz"
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wget --timestamping "https://github.com/raspberrypi/linux/archive/${archive}"
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[ -r "${archive}" ] || continue
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tar xzf "${archive}"
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rm "${archive}"
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mv "./linux-${archive%.tar.gz}" ./linux
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cd ./linux
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version="$( awk '/^VERSION =/ { print $NF; }' ./Makefile )"
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patchlevel="$( awk '/^PATCHLEVEL =/ { print $NF; }' ./Makefile )"
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sublevel="$( awk '/^SUBLEVEL =/ { print $NF; }' Makefile )"
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target="${HOME}/RPi/Kernels/${version}.${patchlevel}.${sublevel}"
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[ -d "${target}" ] || mkdir -p "${target}"
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# RPi1...
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export KERNEL="kernel"
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export ARCH="arm"
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export CROSS_COMPILE="arm-linux-gnueabihf-"
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make bcmrpi_defconfig
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./scripts/kconfig/merge_config.sh .config ../.config-virtio
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make --jobs="${JOBS}" zImage
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cp ./arch/arm/boot/zImage "${target}/RPi1-${KERNEL}-virtio"
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make clean
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# RPi2-3...
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export KERNEL="kernel7"
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make bcm2709_defconfig
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./scripts/kconfig/merge_config.sh .config ../.config-virtio
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make --jobs="${JOBS}" zImage
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cp ./arch/arm/boot/zImage "${target}/RPi2-${KERNEL}-virtio"
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make clean
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# RPi4 (32 Bit)...
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export KERNEL="kernel7l"
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make bcm2711_defconfig
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./scripts/kconfig/merge_config.sh .config ../.config-virtio
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make --jobs="${JOBS}" zImage
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cp ./arch/arm/boot/zImage "${target}/RPi4-${KERNEL}-virtio"
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make clean
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# RPi4 (64 Bit)...
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export KERNEL="kernel8"
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export ARCH="arm64"
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export CROSS_COMPILE="aarch64-linux-gnu-"
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make bcm2711_defconfig
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./scripts/kconfig/merge_config.sh .config ../.config-virtio
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make --jobs="${JOBS}" Image
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cp ./arch/arm64/boot/Image "${target}/RPi4-${KERNEL}-virtio"
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# cleanup:
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cd ..
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rm -rf ./linux
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done
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exit 0
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