-handle_crosscompile()
-{
- if [ "`uname -m`" != 'aarch64' ]; then
- export ARCH=arm64
- export CROSS_COMPILE=aarch64-linux-gnu-
- export DEBOOTSTRAP=qemu-debootstrap
- sudo apt install -y libc6-dev-arm64-cross
- fi
-}
-
-build_linux()
-{
-(
- handle_crosscompile
- test -d linux || git clone https://github.com/AsahiLinux/linux
- cd linux
- git fetch -a -t
- git reset --hard asahi-6.0-rc5-4; git clean -f -x -d &> /dev/null
- curl -s https://tg.st/u/40c9642c7569c52189f84621316fc9149979ee65.patch | git am -
- cat ../../config-16k.txt > .config
- make olddefconfig
- make -j `nproc` V=0 bindeb-pkg > /dev/null
-)
-}
-
-build_m1n1()
-{
-(
- test -d m1n1 || git clone --recursive https://github.com/AsahiLinux/m1n1
- cd m1n1
- git fetch -a -t
- # https://github.com/AsahiLinux/PKGBUILDs/blob/main/m1n1/PKGBUILD
- git reset --hard v1.1.4; git clean -f -x -d &> /dev/null
- make -j `nproc`
-)
-}
-
-build_uboot()
-{
-(
- handle_crosscompile
- test -d u-boot || git clone https://github.com/AsahiLinux/u-boot
- cd u-boot
- git fetch -a -t
- # For tag, see https://github.com/AsahiLinux/PKGBUILDs/blob/main/uboot-asahi/PKGBUILD
- git reset --hard asahi-v2022.07-3; git clean -f -x -d &> /dev/null
- git revert --no-edit 4d2b02faf69eaddd0f73758ab26c456071bd2017
- curl -s https://tg.st/u/0001-usb-request-on-8-bytes-for-USB_SPEED_FULL-bMaxPacket.patch | git am -
- make apple_m1_defconfig
- make -j `nproc`
-)
-
- cat m1n1/build/m1n1.bin `find linux/arch/arm64/boot/dts/apple/ -name \*.dtb` <(gzip -c u-boot/u-boot-nodtb.bin) > u-boot.bin
- cat m1n1/build/m1n1.macho `find linux/arch/arm64/boot/dts/apple/ -name \*.dtb` <(gzip -c u-boot/u-boot-nodtb.bin) > u-boot.macho
- cp u-boot.bin 4k.bin
- cp u-boot.bin 2k.bin
- echo 'display=2560x1440' >> 2k.bin
- echo 'display=wait,3840x2160' >> 4k.bin
-
-}
-