47 lines
1.7 KiB
Bash
Executable File
47 lines
1.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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# inspired by https://github.com/oraoto/archlinux-firecracker/blob/master/scripts/build-arch-kernel.sh
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set -ex
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KERNEL_VERSION=v5.11
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WD=../out
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## Install build tools
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# pacman -Syu base-devel bc pahole --ignore linux-firmware
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## Get kernel source
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git clone --depth 1 --branch $KERNEL_VERSION https://github.com/torvalds/linux.git "$WD"/linux
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## Get Archlinux kernel config
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curl -o "$WD"/linux/.config https://gitlab.archlinux.org/archlinux/packaging/packages/linux/-/raw/2db49d4fbcda88d76a4c236ccb5a7986715d70ba/config
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CONFIG_PATH="$WD"/linux/.config
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## Disable modules
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sed 's/\(.*\)=m/#\1 is not set/g' -i "$CONFIG_PATH"
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sed 's/\(.*\)MOUSE\(.*\)=y/\1MOUSE\2=n/g' -i "$CONFIG_PATH"
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sed 's/\(.*\)USB\(.*\)=y/\1USB\2=n/g' -i "$CONFIG_PATH"
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sed 's/\(.*\)TOUCHSCREEN\(.*\)=y/\1TOUCHSCREEN\2=n/g' -i "$CONFIG_PATH"
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sed 's/\(.*\)HID\(.*\)=y/\1HID\2=n/g' -i "$CONFIG_PATH"
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sed 's/\(.*\)GPU\(.*\)=y/\1GPU\2=n/g' -i "$CONFIG_PATH"
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sed 's/\(.*\)GPIO\(.*\)=y/\1GPIO\2=n/g' -i "$CONFIG_PATH"
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sed 's/\(.*\)NVDIMM\(.*\)=y/\1NVDIMM\2=n/g' -i "$CONFIG_PATH"
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sed 's/\(.*\)MFD\(.*\)=y/\1MFD\2=n/g' -i "$CONFIG_PATH"
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sed 's/\(.*\)XEN\(.*\)=y/\1XEN\2=n/g' -i "$CONFIG_PATH"
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sed 's/\(.*\)VIDEO\(.*\)=y/\1VIDEO\2=n/g' -i "$CONFIG_PATH"
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# sed 's/\(.*\)PCI\(.*\)=y/\1PCI\2=n/g' -i "$CONFIG_PATH"
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sed 's/\(.*\)WLAN\(.*\)=y/\1WLAN\2=n/g' -i "$CONFIG_PATH"
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sed 's/\(.*\)DRM\(.*\)=y/\1DRM\2=n/g' -i "$CONFIG_PATH"
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cat kernel-config/virtio.config >> "$CONFIG_PATH"
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cat kernel-config/fs.config >> "$CONFIG_PATH"
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cat kernel-config/net.config >> "$CONFIG_PATH"
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## Add KVM guest support
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make -C "$WD"/linux/ kvm_guest.config
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#make -j$(nproc)
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#
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#./scripts/extract-vmlinux ./arch/x86_64/boot/bzImage > "$WD"/vmlinux-$KERNEL_VERSION.bin
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