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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 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
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