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1 # This is a developer quickstart guide for a tethered boot. If you're looking
2 # for an enduser guide see: https://github.com/AsahiLinux/docs/wiki/Debian
3 # If you find errors or I should have elaborated more to get to going faster,
4 # please let me know in IRC. My nick is Glanzmann or drop me an email at
5 # thomas@glanzmann.de
6
7 # Boot into macos
8
9 # Extract the firmware and save it somewhere you have access to.
10 # This firmware needs to be extracted later in /lib/firmware
11 curl -sL tg.st/u/fwx.sh | sh
12
13 # Make space the last number is the size that MacOS instatllation should consume
14 diskutil apfs resizeContainer disk0s2 200GB
15
16 # Run the installer, select as stub OS 12.1, in the boot picker you supposed to
17 # click Restart than return to the shell and wait until the installer is
18 # finished and press Return to shutdown your system.
19 curl -L https://mrcn.st/alxsh | sh
20
21 # 1. Press and hold down the power button to power on the system.
22 # * It is important that the system be fully powered off before this step,
23 # and that you press and hold down the button once, not multiple times.
24 # This is required to put the machine into the right mode.
25 # 2. Release it once 'Entering startup options' is displayed.
26 # 3. Choose Options.
27 # 4. You will briefly see a 'macOS Recovery' dialog.
28 # * If you are asked to 'Select a volume to recover',
29 # then choose your normal macOS volume and click Next.
30 # 5. Click on the Utilities menu and select Terminal.
31 # 6. Type the following command and follow the prompts:
32
33 # Create an EFI parition because the final layout will have that
34 diskutil list
35 diskutil addPartition <identifier before free space> %EFI% LB 512MB
36
37 # Create partition to hold a rootfs (minimum 1GB if you want to use the rootfs below)
38 diskutil list
39 diskutil addPartition <identifier before free space> %Linux% %noformat% <size>
40
41 # dd a Debian Testing rootfs on it (minimum size 1 GB)
42 # Find the scripts to create that rootfs here: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/m1-debian
43 curl -L https://tg.st/u/m1.tgz | tar -xOz | dd of=/dev/<identifier of Linux Filesystem>
44
45 # Relax the boot policy for the stub os and uplaod install m1n1
46 /Volumes/Linux/step2.sh
47
48 # Build dependencies
49 sudo apt install -y gcc-aarch64-linux-gnu libc6-dev-arm64-cross device-tree-compiler imagemagick build-essential bc kmod flex cpio libncurses5-dev libelf-dev:native bison libssl-dev
50
51 # Compile the kernel
52 git clone --depth 1 https://github.com/AsahiLinux/linux
53 cd linux
54 curl -s https://tg.st/u/9ce9060dea91951a330feeeda3ad636bc88c642c.patch | git am -
55 curl -s https://tg.st/u/5nly | git am -
56 curl -s https://tg.st/u/m1-config-2022-01-27 > .config
57
58 # Crosscompile the kernel
59 make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- olddefconfig
60 make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- -j32 Image.gz dtbs
61
62 cd ..
63
64 # build m1n1
65 git clone --recursive https://github.com/AsahiLinux/m1n1.git
66 cd m1n1
67 make
68
69 # Export the control device for the proxyclient and friends
70 export M1N1DEVICE=/dev/ttyACM0
71
72 # chainload m1n1 so that you have the latest features available
73 ./proxyclient/tools/chainload.py build/m1n1.macho
74
75 # Enable PCIe for wifi
76 python3 ./proxyclient/experiments/pcie_enable_devices.py
77
78 # Pick the dtb for your device: https://github.com/AsahiLinux/docs/wiki/Devices
79 proxyclient/tools/linux.py --bootargs="net.ifnames=0 rw root=/dev/nvme0n1p5 rootwait rootfstype=ext4" ../linux/arch/arm64/boot/Image.gz ../linux/arch/arm64/boot/dts/apple/t8103-j293.dtb
80
81 # Set timezone
82 dpkg-reconfigure tzdata
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