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Re: Guix on the MNT Reform

From: Christine Lemmer-Webber
Subject: Re: Guix on the MNT Reform
Date: Sat, 04 Sep 2021 21:31:08 -0400
User-agent: mu4e 1.6.2; emacs 27.2

Fredrik Salomonsson <> writes:

> Christine Lemmer-Webber <> writes:
>> Hi!  Well my MNT Reform arrived.  I'd like to start putting Guix on it
>> but I'm kind of low on time right now...
> I got mine last week!


>> I wonder if anyone else has started making progress towards this?
>> What I'd love: a tutorial that says "here are the steps to make an sd
>> card you can boot your reform with"!
> I'm planning to start hacking on that once I've found a NVMe that works.
> The XPG SX8200 Pro 1TB I bought for it had serious issues with access
> times. Next up is to buy a WD Blue SN550 1TB and hopefully that will
> work.

Cool!  Hope it gets up and running soon.  In the meanwhile, some local

It looks like the relevant info to get going is here:

There's a script to compile a custom u-boot:

#+BEGIN_SRC bash
if [ ! -d u-boot ]
  echo "Cloning U-Boot..."
  git clone --depth 1 

cd u-boot
cp mntreform-config .config

export CROSS_COMPILE=aarch64-linux-gnu-
export ARCH=arm

# build rescue u-boot first (loads kernel from eMMC)
make -j$(nproc) flash.bin KCPPFLAGS='-DMNTREFORM_BOOT_EMMC'
cp flash.bin flash-rescue.bin

# build normal u-boot second (loads kernel from SD card)
make -j$(nproc) flash.bin

cd ..

So that doesn't look to complicated.

Here's the custom u-boot:

It says:

  "Fork of the vendor (Boundary Devices) u-boot for Reform 2, with
  minor tweaks. The goal is to migrate to mainstream u-boot or barebox
  ASAP. The main impediment so far is the 4GB RAM config."

So we probably want to make a u-boot-mnt-reform in

So we probably want to use "guix system image" and then add:


Ideally in the end we should be able to do:

  guix system image --image-type=mnt-reform my-os.scm

So yeah, the rest of the pieces to figuring it out seem to be all here:

It *seems* like this should all be possible...

 - Christine

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