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Arch: refined install guide #468

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Oct 30, 2023
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Arch: refined install guide #468

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Arch: refined install guide
NoaHimesaka1873 Oct 30, 2023
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NoaHimesaka1873 Oct 30, 2023
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17 changes: 12 additions & 5 deletions docs/distributions/arch/installation.md
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Expand Up @@ -22,9 +22,9 @@ You will need:

- Using pacstrap (more vanilla Arch experience)

1. Run `pacstrap /mnt base linux-t2 apple-t2-audio-config apple-bcm-firmware linux-firmware iwd grub efibootmgr touchbard t2fand` (omit the `grub efibootmgr` packages from this if you intend to use systemd-boot as your bootloader). You can choose to use Xanmod kernel instead. In this case, replace `linux-t2` with `linux-xanmod-t2`.
1. Run `pacstrap /mnt base linux-t2 apple-t2-audio-config apple-bcm-firmware linux-firmware iwd grub efibootmgr tiny-dfr t2fand` (omit the `grub efibootmgr` packages from this if you intend to use systemd-boot as your bootloader). You can choose to use Xanmod kernel instead. In this case, replace `linux-t2` with `linux-xanmod-t2`.

2. Add repositories to `/mnt/etc/pacman.conf`, by adding this:
2. Add repository to `/mnt/etc/pacman.conf`, by adding this:

```ini
[arch-mact2]
Expand All @@ -40,19 +40,26 @@ You will need:

7. Add `apple-bce` to the `MODULES` list in `/etc/mkinitcpio.conf`, and then run `mkinitcpio -P`

8. Install a bootloader, GRUB is easier, but you can also use systemd-boot. Don't do both.
8. Enable `t2fand` and `tiny-dfr` by running:

```bash
sudo systemctl enable t2fand
sudo systemctl enable tiny-dfr
```

9. Install a bootloader, GRUB is easier, but you can also use systemd-boot. Don't do both.

- Installing Grub:

1. Edit `/etc/default/grub`, you'll need to install a text editor (i.e. `vim` or `nano`) with `pacman -S PACKAGE_NAME` for this step.
2. On the line with `GRUB_CMDLINE_LINUX="quiet splash"`, add the following kernel parameters: `intel_iommu=on iommu=pt pcie_ports=compat`
3. Run `grub-install --target=x86_64-efi --efi-directory=/boot/efi --bootloader-id=GRUB --removable`.
4. `grub-mkconfig -o /boot/grub/grub.cfg`
4. Run `grub-mkconfig -o /boot/grub/grub.cfg` to generate configuration file.

- Installing systemd-boot:

1. Follow the Arch wiki's [instructions](https://wiki.archlinux.org/title/Systemd-boot#Installation). You will want `--path=/boot/efi` as an argument to `bootctl` if you mounted your EFI partition there. Also make sure you configure it to boot the `linux-t2` kernel.
2. Install a text editor (i.e. `pacman -S vim` or `pacman -S nano`), and make the following edit for `.conf` files in `/boot/efi/loader/entries/`.
3. Add `intel_iommu=on iommu=pt pcie_ports=compat` to the `options` line to add those kernel parameters.

9. Exit the `chroot` (Control-d, or `exit`) and reboot. You now will be able to select your Arch install in the macOS Startup Manager by holding option at boot.
10. Exit the `chroot` (Control-d, or `exit`) and reboot. You now will be able to select your Arch install in the macOS Startup Manager by holding option at boot.
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