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I know what I am doing. Trust me.

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Signed-off-by: RouxAntoine <antoinroux@hotmail.fr>
This commit is contained in:
RouxAntoine 2024-01-06 19:22:16 +01:00
parent 1ed7f4f155
commit 77e8c07dc0
Signed by: antoine
GPG Key ID: 098FB66FC0475E70
2 changed files with 15 additions and 9 deletions
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6
rootfs-kernel/Makefile
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@ -13,15 +13,15 @@ use-ubuntu: ../out/ubuntu-22.04.ext4 ../out/ubuntu-22.04.id_rsa
use-kernel: ../out/vmlinux-5.10.204
ln -fs $< ../out/vmlinux
use-kernel-custom: ../out/vmvmlinux-custom
use-kernel-custom: ../out/vmlinux-5.11
ln -fs $< ../out/vmlinux
../out/vmlinux-5.10.204:
wget -O $@ https://s3.amazonaws.com/spec.ccfc.min/firecracker-ci/v1.7/$(ARCH)/vmlinux-5.10.204
CONFIG_FILE=$(wildcard ./kernel-config/*.config)
../out/vmvmlinux-custom: ./kernel.sh $(CONFIG_FILE)
bash ./kernel.sh
../out/vmlinux-5.11: ./kernel.sh $(CONFIG_FILE)
bash ./kernel.sh 5.11
../out/arch-rootfs.ext4: ./arch-rootfs.sh
bash ./arch-rootfs.sh

18
rootfs-kernel/kernel.sh
View File

@ -4,18 +4,20 @@
set -ex
KERNEL_VERSION=v5.11
KERNEL_VERSION=$1
WD=../out
NPROC=4
## Install build tools
# pacman -Syu base-devel bc pahole --ignore linux-firmware
# disabling CONFIG_DEBUG_INFO_BTF so no pahole required
sudo rm -rf "$WD"/linux
## Get kernel source
git clone --depth 1 --branch $KERNEL_VERSION https://github.com/torvalds/linux.git "$WD"/linux
git clone --depth 1 --branch v$KERNEL_VERSION https://github.com/torvalds/linux.git "$WD"/linux
## Get Archlinux kernel config
curl -o "$WD"/linux/.config https://gitlab.archlinux.org/archlinux/packaging/packages/linux/-/raw/2db49d4fbcda88d76a4c236ccb5a7986715d70ba/config
curl -o "$WD"/linux/.config https://gitlab.archlinux.org/archlinux/packaging/packages/linux/-/raw/5.11.16.arch1-1/config?ref_type=tags
CONFIG_PATH="$WD"/linux/.config
@ -34,6 +36,7 @@ sed 's/\(.*\)VIDEO\(.*\)=y/\1VIDEO\2=n/g' -i "$CONFIG_PATH"
# sed 's/\(.*\)PCI\(.*\)=y/\1PCI\2=n/g' -i "$CONFIG_PATH"
sed 's/\(.*\)WLAN\(.*\)=y/\1WLAN\2=n/g' -i "$CONFIG_PATH"
sed 's/\(.*\)DRM\(.*\)=y/\1DRM\2=n/g' -i "$CONFIG_PATH"
sed 's/\(.*\)BTF\(.*\)=y/\1BTF\2=n/g' -i "$CONFIG_PATH"
cat kernel-config/virtio.config >> "$CONFIG_PATH"
cat kernel-config/fs.config >> "$CONFIG_PATH"
@ -42,6 +45,9 @@ cat kernel-config/net.config >> "$CONFIG_PATH"
## Add KVM guest support
make -C "$WD"/linux/ kvm_guest.config
#make -j$(nproc)
#
#./scripts/extract-vmlinux ./arch/x86_64/boot/bzImage > "$WD"/vmlinux-$KERNEL_VERSION.bin
make -j$NPROC EXTRA_CFLAGS=-Wno-error=use-after-free
#make -j$NPROC WERROR=0
cp ./vmlinux "$WD"/vmlinux-$KERNEL_VERSION
sudo rm -rf "$WD"/linux