20 Dec
2018
20 Dec
'18
10:57 a.m.
On 12/20/2018 11:46 AM, Carlo Pisani via cctalk wrote:
The prototype (1) is already working; in the pic,
there is a DHT board
with a Matrox Millennium video card, and a PCI-PS/2 card. The pic shows
a running windows manager on x11.
:-)
we are using a little PowerPC 405GP board, loaded with
Linux and
xorg-x11. The processor's ISA is similar to a G3 CPU, but not exactly
equal. We had to create a specific toolchain for it.
Can I ask why you are using the board that you are using?
Is this project to use something you have and make it useful? Or is it
meant for others to be able to replicate?
If it's the latter, I'd think that a board that's inexpensive and easy
for people to get their hands on would be appropriate. (Maybe the board
you are using is and I'm just ignorant of that fact.)
I hate to be cliche, but it seems like a Raspberry Pi (et al) qualifies
here. It also seems like it has keyboard / mouse / video ports already.
(All be it different incarnations there of.)
The rootfs is derived from Gentoo/Linux by using
Catalyst on QEMU/PPC.
It's neat enough, and the whole process is under control (we can choose
flags, and rebuild the whole accordingly)
:-)
Currently, the only problem we have is related to the
kernel, specifically
to support DeviceTree and the 405 CPU which has a weird address alignment,
thus it wastes a lot of cycles in kernel space.
:-(
--
Grant. . . .
unix || die