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[m1-debian] / 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 build_linux()
20 {
21 (
22 test -d linux || git clone https://github.com/AsahiLinux/linux
23 cd linux
24 git fetch -a -t
25 git reset --hard asahi-6.4-9;
26 cat ../../config.txt > .config
27 make LLVM=${CLANG_VERSION} rustavailable
28 make LLVM=${CLANG_VERSION} olddefconfig
29 make -j `nproc` LLVM=${CLANG_VERSION} V=0 bindeb-pkg > /dev/null
30 )
31 }
32
33 build_m1n1()
34 {
35 (
36 test -d m1n1 || git clone --recursive https://github.com/AsahiLinux/m1n1
37 cd m1n1
38 git fetch -a -t
39 git reset --hard v1.3.3;
40 make -j `nproc`
41 )
42 }
43
44 build_uboot()
45 {
46 (
47 test -d u-boot || git clone https://github.com/AsahiLinux/u-boot
48 cd u-boot
49 git fetch -a -t
50 git reset --hard asahi-v2023.07.02-2;
51
52 make apple_m1_defconfig
53 make -j `nproc`
54 )
55 cat m1n1/build/m1n1.bin `find linux/arch/arm64/boot/dts/apple/ -name \*.dtb` <(gzip -c u-boot/u-boot-nodtb.bin) > u-boot.bin
56 }
57
58 package_boot_bin()
59 {
60 (
61 export M1N1_VERSION=1.3.3
62 rm -rf m1n1_${M1N1_VERSION}_arm64
63 mkdir -p m1n1_${M1N1_VERSION}_arm64/DEBIAN m1n1_${M1N1_VERSION}_arm64/usr/lib/m1n1/
64 cp u-boot.bin m1n1_${M1N1_VERSION}_arm64/usr/lib/m1n1/boot.bin
65 cat <<EOF > m1n1_${M1N1_VERSION}_arm64/DEBIAN/control
66 Package: m1n1
67 Version: $M1N1_VERSION
68 Section: base
69 Priority: optional
70 Architecture: arm64
71 Maintainer: Thomas Glanzmann <thomas@glanzmann.de>
72 Description: Apple silicon boot loader
73 Next to m1n1 this also contains the device trees and u-boot.
74 EOF
75
76 cat > m1n1_${M1N1_VERSION}_arm64/DEBIAN/postinst <<'EOF'
77 #!/bin/bash
78
79 export PATH=/bin
80 if [ -f /boot/efi/m1n1/boot.bin ]; then
81 cp /boot/efi/m1n1/boot.bin /boot/efi/m1n1/`date +%Y%m%d%H%M`.bin
82 fi
83 mkdir -p /boot/efi/m1n1/
84 cp /usr/lib/m1n1/boot.bin /boot/efi/m1n1/
85 EOF
86
87 chmod 755 m1n1_${M1N1_VERSION}_arm64/DEBIAN/postinst
88 dpkg-deb --build m1n1_${M1N1_VERSION}_arm64
89 )
90 }
91
92 if type clang-15; then
93 export CLANG_VERSION=-15
94 elif type clang-11; then
95 export CLANG_VERSION=-11
96 fi
97
98 mkdir -p build
99 cd build
100
101 build_linux
102 build_m1n1
103 build_uboot
104 package_boot_bin
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