mirror of
https://github.com/cirosantilli/linux-kernel-module-cheat.git
synced 2026-01-13 20:12:26 +00:00
108 lines
2.8 KiB
Bash
Executable File
108 lines
2.8 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -e
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arch=x86_64
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extra_targets=''
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qemu_sdl='--enable-sdl --with-sdlabi=2.0'
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j="$(($(nproc) - 2))"
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post_script_args=''
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x11=false
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v=0
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while getopts 'a:j:p:St:v' OPT; do
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case "$OPT" in
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a)
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arch="$OPTARG"
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;;
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j)
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j="$OPTARG"
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;;
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p)
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post_script_args="$OPTARG"
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;;
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S)
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qemu_sdl=''
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;;
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t)
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extra_targets="$extra_args $OPTARG"
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;;
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x)
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x11=true
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;;
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v)
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v=1
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;;
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esac
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done
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shift $(($OPTIND - 1))
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case "$arch" in
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x86_64)
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defconfig=qemu_x86_64_defconfig
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;;
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x86_64-gem5)
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defconfig=qemu_x86_64_defconfig
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;;
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arm)
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# qemu_arm_vexpress_defconfig required a newer QEMU than 2.0.0 on a Ubuntu host.
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# so let's stick to versatile for now.
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defconfig=qemu_arm_versatile_defconfig
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;;
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arm-gem5)
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# Ideally we should use a custom clean config here.
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# But let's just use this one as a starting point for now.
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defconfig=qemu_arm_versatile_defconfig
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post_script_args="$post_script_args -n"
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;;
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aarch64)
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defconfig=qemu_aarch64_virt_defconfig
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;;
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mips64)
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defconfig=qemu_mips64r6_malta_defconfig
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;;
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esac
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cd kernel_module
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./make-host.sh -j "$j" clean
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cd ../buildroot
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for p in $(find '../buildroot_patches/' -maxdepth 1 -name '*.patch' -print); do
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patch -N -r - -p 1 <"$p" || :
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done
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outdir="output.${arch}~"
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make O="$outdir" BR2_EXTERNAL="$(pwd)/../kernel_module" "$defconfig"
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# TODO Can't get rid of this for now.
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# http://stackoverflow.com/questions/44078245/is-it-possible-to-use-config-fragments-with-buildroots-config
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cat ../buildroot_config_fragment >> "${outdir}/.config"
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if echo "$arch" | grep -Eq -- '-gem5$'; then
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echo "\
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BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE=\"../kernel_config_${arch}\"
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" >> "${outdir}/.config"
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else
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echo "\
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BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES=\"../kernel_config_fragment\"
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" >> "${outdir}/.config"
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fi
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if $x11; then
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cat ../buildroot_config_fragment_x11 >> "${outdir}/.config"
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fi
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make O="$outdir" olddefconfig
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# HOST_QEMU_OPTS is a hack that happens to work because the QEMU package luckly uses += at all times.
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# It shouldn't be necessary in the first place: https://bugs.busybox.net/show_bug.cgi?id=9936
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#
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# Even if were an autotools package, there is no general way currently to pass extra configs to it:
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# https://stackoverflow.com/questions/44341188/how-to-pass-extra-custom-configure-autotools-options-to-a-buildroot-package/44341225#44341225
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time \
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env \
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-u LD_LIBRARY_PATH \
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make \
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O="$outdir" \
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BR2_JLEVEL="$j" \
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BR2_ROOTFS_POST_SCRIPT_ARGS="$post_script_args" \
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HOST_QEMU_OPTS="--enable-debug --extra-cflags='-DDEBUG_PL061=1' --enable-trace-backends=simple $qemu_sdl" \
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V="$v" \
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kernel_module-rebuild \
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$extra_targets \
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all \
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;
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cd ..
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if echo "$arch" | grep -Eq -- '-gem5$'; then
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./build-gem5 -a "$arch"
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fi
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