Re: Access to older 64-bit sparcs for developers

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On 28/06/17 21:37, David Miller wrote:

> From: chase rayfield <cusbrar1@xxxxxxxxx>
> Date: Wed, 28 Jun 2017 16:32:06 -0400
> 
>> David, is that an XVR-100 or something newer? Mine doesn't work with
>> my Gentoo installation currently beyond the console... if so what
>> Distro/Release are you on? Maybe I can match to that and get it
>> working.
> 
> It's a built-from-source X server on an old debian install from
> about 5 years ago.

Is that using drm at all? As per my post a while back, I'm still
chipping away at trying to get the bochs_drm framebuffer fired up in
QEMU's sun4u.

So far I've managed to figure out that I need to add Simba support to
QEMU which is taking longer than expected as various OSs make
assumptions about the interrupt-swizzling for Ultra 5 on-board devices.

However outside of the interrupt issues, I now have something that
seemingly boots a kernel built from source and initialises the IOMMU
correctly. Now all I need to do now is figure out why the DRM memory
mapping routines never map the framebuffer to a virtual address and
always fallback to returning the physical address...


ATB,

Mark.

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