linux-kernel - Re: regression for m68k/coldfire

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Message-ID: <0ae968cb-9870-0247-fd16-78e113256bfc@vivier.eu>
Date:   Sat, 4 Feb 2017 10:49:54 +0100
From:   Laurent Vivier <laurent@...ier.eu>
To:     Greg Ungerer <gerg@...inux.org>
Cc:     Waldemar Brodkorb <wbx@...nadk.org>,
        John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>,
        Nikita Yushchenko <nikita.yoush@...entembedded.com>,
        linux-kernel@...r.kernel.org, linux-m68k@...r.kernel.org,
        uclinux-dev@...inux.org, geert@...ux-m68k.org
Subject: Re: regression for m68k/coldfire

Le 04/02/2017 à 03:03, Greg Ungerer a écrit :
> Hi Laurent,
> 
> On 04/02/17 01:22, Laurent Vivier wrote:
>> Le 03/02/2017 à 16:17, Waldemar Brodkorb a écrit :
> [snip]
>>> Btw: Laurent, are you m68k with mmu support are going to be included
>>> upstream? I always carry an old binary for any m68k with mmu testing.
>>
>> I'm working to have the FPU included for now, that will allow to have
>> the linux-user qemu enabled for 680x0 upstream.
>>
>> I have a 68040 MMU implementation that I will send after this step.
>> I didn't have a look to the ColdFire MMU (is there one?), but as 68040
>> is not the same as the 68030 one, I don't expect it works with coldfire.
> 
> There is a ColdFire MMU in some v4 ColdFire parts, for example
> the 547x, 548x, 5441x and 5445x families. It is not compatible with
> the older 68020/86030/68040 MMU. It is supported in mainline Linux -
> at least for the 547x and 548x parts.
> 
> It would be really nice to have support for ColdFire MMU in QEMU :-)

I can work on this. Do you have a Coldfire distro I can install?

Thanks,
Laurent