linux-kernel - Re: [PATCH 0/5] Rewrite Motorola MMU page-table layout

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Message-ID: <20200129123007.GO14879@hirez.programming.kicks-ass.net>
Date:   Wed, 29 Jan 2020 13:30:07 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>
Cc:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        linux-m68k@...ts.linux-m68k.org, linux-kernel@...r.kernel.org,
        Will Deacon <will@...nel.org>,
        Michael Schmitz <schmitzmic@...il.com>
Subject: Re: [PATCH 0/5] Rewrite Motorola MMU page-table layout

On Wed, Jan 29, 2020 at 01:05:10PM +0100, John Paul Adrian Glaubitz wrote:
> On 1/29/20 12:54 PM, Peter Zijlstra wrote:
> > On Wed, Jan 29, 2020 at 11:49:13AM +0100, John Paul Adrian Glaubitz wrote:
> > 
> >>> [1] https://wiki.debian.org/M68k/QemuSystemM68k
> > 
> > Now, if only debian would actually ship that :/
> 
> Debian should receive the QEMU version that supports full m68k emulation
> soonish.

Excellent!

> > AFAICT that emulates a q800 which is another 68040 and should thus not
> > differ from ARAnyM.
> 
> Right. You could switch to a different CPU emulation though, Laurent
> Vivier should be able to say more on that.

The link you provided only mentioned that Q-88 thing, let me go rummage
through the actual qemu-patch to see if it supports more.

> > I'm fairly confident in the 040 bits, it's the 020/030 things that need
> > coverage.
> 
> I'm currently setting up an Amiga 500 with an ACA-1233n/40 accelerator
> which has an 68030 CPU clocked at 40 MHz and 128 MB RAM which will be
> used for developing a driver for a new network card card for the Amiga
> 500 called X-Surf 500.

I remember playing 'Another World' on the Amiga-500, I'm thinking this
accelerator is a wee bit overkill for that though ;-)

> I can definitely test the patches on that setup, but I certainly won't
> have the time to set everything up until after FOSDEM.

That would be great, thanks!