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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: |
Thu, 4 Apr 2013 11:50:53 +0200 |
On 04.04.2013, at 11:46, Artyom Tarasenko wrote:
> On Thu, Apr 4, 2013 at 10:37 AM, Fabien Chouteau <address@hidden> wrote:
>>
>> On 04/03/2013 06:59 PM, Alexander Graf wrote:
>>>
>>> On 03.04.2013, at 18:40, Fabien Chouteau wrote:
>>>
>>>> If we use an ELF kernel there's no need for bios. '-bios -' means no
>>>> bios.
>>>
>>> This sounds like you're actually looking for a way to load an ELF blob
>>> as bios using -bios, not a kernel, no?
>>>
>>
>> No, we load the kernel with -kernel, that's what the first patch does.
>> But the board is implemented in such way that you can't start without a
>> bios. If the -bios switch is not present, then the board uses the
>> default bios. This patch allows to start without a bios:
>>
>> -kernel <PROGRAM> -bios -
>
> Regardless of the firmware vs. kernel discussion, I think the syntax
> may be improved. Under *nix '-' is commonly used for stdin. Would it
> be possible to specify /dev/null (under *NIX) or NUL (in the
> MS-World)? I think it would make the syntax more explicit.
I'd be inclined to say that running -kernel without -bios is simply bogus and
shouldn't ever happen.
Alex
- [Qemu-ppc] [PATCH 0/3] PPC PReP: Use ElF kernel on PReP, Fabien Chouteau, 2013/04/03
- [Qemu-ppc] [PATCH 2/3] PPC PReP: Use kernel entry to set nip at reset, Fabien Chouteau, 2013/04/03
- [Qemu-ppc] [PATCH 3/3] PPC PReP: can run without bios image, Fabien Chouteau, 2013/04/03
- Re: [Qemu-ppc] [PATCH 3/3] PPC PReP: can run without bios image, Alexander Graf, 2013/04/03
- 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 <=
- 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, 2013/04/06
- Re: [Qemu-ppc] [Qemu-devel] [PATCH 3/3] PPC PReP: can run without bios image, Peter Maydell, 2013/04/06