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Re: RISCV porting effort
Re: RISCV porting effort
Mon, 14 Jun 2021 18:00:21 -0700
On 2021-06-14, Efraim Flashner wrote:
> On Sun, Jun 13, 2021 at 10:24:13AM -0700, Vagrant Cascadian wrote:
>> On 2021-06-07, Efraim Flashner wrote:
>> > Last week my HiFive Umatched¹ board came
>> > Ubuntu has an image for the board² which booted up just fine and I'm
>> > using, since I didn't want to spend too long getting Debian to run on
>> > the board.
>> I, on the other hand, went straight for Debian, of course! I stole the
>> vendor kernel and u-boot and built a Debian rootfs... and after a few
>> tries got it running.
>> live well,
> Do you have notes on what you did? Right now I was thinking of taking
> the Ubuntu image, keeping /boot with their kernel and u-boot and
> replacing the rest of it with Debian. (And copying the device-tree dtb
> files to /boot/firmware/kernel-version)
I didn't take notes, but off the top of my head something like this:
Booted the OE image that shipped with it on the microSD
add partition for new rootfs (cfdisk /dev/mmcblk?)
mount -o noatime /dev/mmcblkXpY /mnt
git clone https://salsa.debian.org/installer-team/debootstrap
sudo DEBOOTSTRAP_DIR=$(pwd) ./deboostrap --arch=riscv64 sid /mnt
echo 'UUID=... / ext4 errors=remount-ro 0 1' > /mnt/etc/fstab
echo 'tmpfs /tmp tmpfs defaults,nosuid,nodev 0 0' >> /mnt/etc/fstab
sudo chroot /mnt adduser vagrant --gecos ,,,
sudo chroot /mnt adduser vagrant sudo
sudo chroot /mnt passwd vagrant
add another entry to /boot/extlinux/extlinux.conf using the
appropriate root=/dev/mmcblkXpY and/or root=UUID=...
Probably missed something, but that's the jist.
Then, to build guix...
git clone https://salsa.debian.org/debian/guix/
git remote add originguix https://git.savannah.gnu.org/git/guix.git
git format-patch -o debian/patches originguix/master..originguix/wip-riscv
# add new patches to debian/patches/series
# adjust debian/rules and debian/control to use guile-3.0...
# build the package!
DEB_BUILD_OPTIONS='nocheck parallel=5' sbuild --chroot-mode=unshare -d
UNRELEASED -c sid
Upgrading to use guile-3.0 required a manually rebuilt guile-gnutls
against guile-3.0 as well...
Just pushed debian/wip-riscv64 to https://salsa.debian.org/debian/guix/
if you want to look at my most recent attempt.
Notably, this is just the wip-riscv patches applied against guix 1.3.0;
maybe building against guix master will be more successful?
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