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Re: [Qemu-ppc] [Qemu-devel] [PATCH 3/3] PPC PReP: can run without bios i
From: |
Alexander Graf |
Subject: |
Re: [Qemu-ppc] [Qemu-devel] [PATCH 3/3] PPC PReP: can run without bios image |
Date: |
Sat, 6 Apr 2013 13:38:52 +0200 |
On 06.04.2013, at 13:27, Peter Maydell wrote:
> On 6 April 2013 10:07, Alexander Graf <address@hidden> wrote:
>> On ARM, look at highbank. Because we're not running we're lacking
>> a monitor mode blob that provides sys calls for flushing caches.
>> Thus today the highbank machine doesn't boot anymore with Linux.
>> If we ran firmware like the real board, that would provide for the
>> sys call.
>
> We also flat out don't implement enough monitor mode to allow
> a hypothetical firmware blob to work.
Why don't we implement enough monitor mode? Because we're not running firmware
:). It's a chicken and egg thing. Bottom line is that Linux validly expects
that firmware exists. If we don't run firmware, we diverge, thus we potentially
break.
Alex
- Re: [Qemu-ppc] [Qemu-devel] [PATCH 3/3] PPC PReP: can run without bios image, (continued)
- Re: [Qemu-ppc] [Qemu-devel] [PATCH 3/3] PPC PReP: can run without bios image, Artyom Tarasenko, 2013/04/04
- Re: [Qemu-ppc] [Qemu-devel] [PATCH 3/3] PPC PReP: can run without bios image, Alexander Graf, 2013/04/04
- Re: [Qemu-ppc] [Qemu-devel] [PATCH 3/3] PPC PReP: can run without bios image, Artyom Tarasenko, 2013/04/04
- Re: [Qemu-ppc] [Qemu-devel] [PATCH 3/3] PPC PReP: can run without bios image, Andreas Färber, 2013/04/04
- Re: [Qemu-ppc] [Qemu-devel] [PATCH 3/3] PPC PReP: can run without bios image, Alexander Graf, 2013/04/04
- Re: [Qemu-ppc] [Qemu-devel] [PATCH 3/3] PPC PReP: can run without bios image, Scott Wood, 2013/04/05
- Re: [Qemu-ppc] [Qemu-devel] [PATCH 3/3] PPC PReP: can run without bios image, Alexander Graf, 2013/04/06
- Re: [Qemu-ppc] [Qemu-devel] [PATCH 3/3] PPC PReP: can run without bios image, Scott Wood, 2013/04/08
- Re: [Qemu-ppc] [Qemu-devel] [PATCH 3/3] PPC PReP: can run without bios image, Alexander Graf, 2013/04/06
- Re: [Qemu-ppc] [Qemu-devel] [PATCH 3/3] PPC PReP: can run without bios image, Peter Maydell, 2013/04/06
- Re: [Qemu-ppc] [Qemu-devel] [PATCH 3/3] PPC PReP: can run without bios image,
Alexander Graf <=
- Re: [Qemu-ppc] [Qemu-devel] [PATCH 3/3] PPC PReP: can run without bios image, Peter Maydell, 2013/04/06
- Re: [Qemu-ppc] [Qemu-devel] [PATCH 3/3] PPC PReP: can run without bios image, Edgar E. Iglesias, 2013/04/06
- Re: [Qemu-ppc] [Qemu-devel] [PATCH 3/3] PPC PReP: can run without bios image, Alexander Graf, 2013/04/06
- Re: [Qemu-ppc] [Qemu-devel] [PATCH 3/3] PPC PReP: can run without bios image, Edgar E. Iglesias, 2013/04/06
- Re: [Qemu-ppc] [Qemu-devel] [PATCH 3/3] PPC PReP: can run without bios image, Peter Maydell, 2013/04/04
- Re: [Qemu-ppc] [Qemu-devel] [PATCH 3/3] PPC PReP: can run without bios image, Fabien Chouteau, 2013/04/04
- Re: [Qemu-ppc] [Qemu-devel] [PATCH 3/3] PPC PReP: can run without bios image, Peter Maydell, 2013/04/04
- Re: [Qemu-ppc] [Qemu-devel] [PATCH 3/3] PPC PReP: can run without bios image, Artyom Tarasenko, 2013/04/04
- Re: [Qemu-ppc] [Qemu-devel] [PATCH 3/3] PPC PReP: can run without bios image, Peter Maydell, 2013/04/04
- Re: [Qemu-ppc] [Qemu-devel] [PATCH 3/3] PPC PReP: can run without bios image, Alexander Graf, 2013/04/04