[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] qemu alpha?
From: |
Oliver Falk |
Subject: |
Re: [Qemu-devel] qemu alpha? |
Date: |
Mon, 22 Oct 2007 09:38:46 +0200 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.1.4) Gecko/20070615 Fedora/2.0.0.4-1.fc7 Thunderbird/2.0.0.4 Mnenhy/0.7.5.666 |
On 10/21/2007 12:43 PM, Rob Landley wrote:
> On Saturday 20 October 2007 3:56:12 am J. Mayer wrote:
>> On Fri, 2007-10-19 at 19:49 -0500, Rob Landley wrote:
>>> On Sunday 14 October 2007 5:14:27 am J. Mayer wrote:
>>>> On Sun, 2007-10-14 at 11:19 +0200, Oliver Falk wrote:
>>>>> Just wanted to know how far the progress on alpha target is? I would
>>>>> be happy if I have some 'virtual alpha' to test new isos.
>>>>>
>>>>> If I can help some way (I have a few alphas around). Let me know.
>>>> I'm happy to see someone interresting in improving Alpha support, which
>>>> is .... very alpha for now !
>>> I'm interested in testing Alpha too, but I haven't seem a
>>> qemu-system-alpha show up yet. Alas, I have no hardware or specific
>>> expertise in this platform, I'm just trying to build and boot Linux
>>> kernels (and corresponding root filesystems) on as many emulated target
>>> platforms as I can.
>> There are a lot of things missing for qemu-system-alpha to be available:
>> - the PALCode emulation is far from being complete or even usable
>
> I have no idea what that is.
>
>> - there is no hardware machine emulation for Alpha in Qemu.
>> As I have no Alpha platform, I don't know much about the hardware to be
>> emulated.
>
> I do know that the ev6 bus is the same as the Athlon used.
And what about ev5 or ev56? Well ev6 or ev67 should be the main target
to be emulated I think...
> When Compaq bought the corpse of DEC back in the mid-90's, they weren't
> interested in their chip designers, so AMD scooped up most of the Alpha
> design team. AMD then asked them "ok, if you guys were going to design an
> x86 compatible processor, what would it look like?" The result was the
> Athlon back around 1997. You could actually stick one in an Alpha
> motherboard, and the only reason it wouldn't boot is the bios was alpha
> machine language instead of x86 code. Everything else was the same, because
> it's what the designers were familiar with.
Duh. That's new to me - didn't know that yet.
> So if you slap an Alpha in a virtual x86-64 PC motherboard, you're not too
> far
> off.
>
> Here's one spec:
> http://web.archive.org/web/19990913123756/http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html
Thanks for those informations!
-of
- Re: [Qemu-devel] qemu alpha?, (continued)
- Re: [Qemu-devel] qemu alpha?, Daniel Jacobowitz, 2007/10/20
- Re: [Qemu-devel] qemu alpha?, Rob Landley, 2007/10/21
- Re: [Qemu-devel] qemu alpha?, Paul Brook, 2007/10/21
- Re: [Qemu-devel] qemu alpha?, Oliver Falk, 2007/10/22
- Re: [Qemu-devel] qemu alpha?, J. Mayer, 2007/10/21
- Re: [Qemu-devel] qemu alpha?, Oliver Falk, 2007/10/22
- Re: [Qemu-devel] qemu alpha?, J. Mayer, 2007/10/22
- Re: [Qemu-devel] qemu alpha?, Brian Wheeler, 2007/10/23
- Re: [Qemu-devel] qemu alpha?,
Oliver Falk <=
- Re: [Qemu-devel] qemu alpha?, Sunil Amitkumar Janki, 2007/10/20
- Re: [Qemu-devel] qemu alpha?, Rob Landley, 2007/10/25