git.zerfleddert.de Git - m1-debian/blob - m1n1_uboot_kernel.sh

   1 #!/usr/bin/env bash
   2
   3 # SPDX-License-Identifier: MIT
   4
   5 set -o errexit
   6 set -o nounset
   7 set -o pipefail
   8 set -o xtrace
   9
  10 cd "$(dirname "$0")"
  11
  12 export CARGO_HOME="$(pwd)/build/cargo"
  13 export RUSTUP_HOME="$(pwd)/build/rust"
  14 source "$(pwd)/build/cargo/env"
  15
  16 unset LC_CTYPE
  17 unset LANG
  18
  19 handle_crosscompile()
  20 {
  21         if [ "`uname -m`" != 'aarch64' ]; then
  22                 export ARCH=arm64
  23                 export CROSS_COMPILE=aarch64-linux-gnu-
  24                 sudo apt install -y libc6-dev-arm64-cross
  25         fi
  26 }
  27
  28 build_linux()
  29 {
  30 (
  31         handle_crosscompile
  32         test -d linux || git clone https://github.com/AsahiLinux/linux
  33         cd linux
  34         git fetch -a -t
  35         git reset --hard asahi-6.2-rc3-7;
  36         cat ../../config.txt > .config
  37         make LLVM=${CLANG_VERSION} rustavailable
  38         make LLVM=${CLANG_VERSION} olddefconfig
  39         make -j `nproc` LLVM=${CLANG_VERSION} V=0 bindeb-pkg > /dev/null
  40 )
  41 }
  42
  43 build_m1n1()
  44 {
  45 (
  46         test -d m1n1 || git clone --recursive https://github.com/AsahiLinux/m1n1
  47         cd m1n1
  48         git fetch -a -t
  49         git reset --hard v1.2.4;
  50         make -j `nproc`
  51 )
  52 }
  53
  54 build_uboot()
  55 {
  56 (
  57         handle_crosscompile
  58         test -d u-boot || git clone https://github.com/AsahiLinux/u-boot
  59         cd u-boot
  60         git fetch -a -t
  61         git reset --hard asahi-v2022.10-1;
  62
  63         make apple_m1_defconfig
  64         make -j `nproc`
  65 )
  66         cat m1n1/build/m1n1.bin   `find linux/arch/arm64/boot/dts/apple/ -name \*.dtb` <(gzip -c u-boot/u-boot-nodtb.bin) > u-boot.bin
  67 }
  68
  69 package_boot_bin()
  70 {
  71 (
  72         export M1N1_VERSION=1.2.4-2
  73         rm -rf m1n1_${M1N1_VERSION}_arm64
  74         mkdir -p m1n1_${M1N1_VERSION}_arm64/DEBIAN m1n1_${M1N1_VERSION}_arm64/usr/lib/m1n1/
  75         cp u-boot.bin m1n1_${M1N1_VERSION}_arm64/usr/lib/m1n1/boot.bin
  76         cat <<EOF > m1n1_${M1N1_VERSION}_arm64/DEBIAN/control
  77 Package: m1n1
  78 Version: $M1N1_VERSION
  79 Section: base
  80 Priority: optional
  81 Architecture: arm64
  82 Maintainer: Thomas Glanzmann <thomas@glanzmann.de>
  83 Description: Apple silicon boot loader
  84  Next to m1n1 this also contains the device trees and u-boot.
  85 EOF
  86
  87         cat > m1n1_${M1N1_VERSION}_arm64/DEBIAN/postinst <<EOF
  88 #!/bin/bash
  89
  90 export PATH=/bin
  91 if [ -f /boot/efi/m1n1/boot.bin ]; then
  92         cp /boot/efi/m1n1/boot.bin /boot/efi/m1n1/`date +%Y%m%d%H%M`.bin
  93 fi
  94 mkdir -p /boot/efi/m1n1/
  95 cp /usr/lib/m1n1/boot.bin /boot/efi/m1n1/
  96 EOF
  97
  98         chmod 755 m1n1_${M1N1_VERSION}_arm64/DEBIAN/postinst
  99         dpkg-deb --build m1n1_${M1N1_VERSION}_arm64
 100 )
 101 }
 102
 103 if type clang-15; then
 104         export CLANG_VERSION=-15
 105 elif type clang-11; then
 106         export CLANG_VERSION=-11
 107 fi
 108
 109 mkdir -p build
 110 cd build
 111
 112 build_linux
 113 build_m1n1
 114 build_uboot
 115 package_boot_bin