Re: [Qemu-devel] [PATCH 3/3] PPC PReP: can run without bios image

[Alexander Graf]

Am 06.04.2013 um 01:00 schrieb Scott Wood <address@hidden>:

> On 04/04/2013 06:59:24 AM, Alexander Graf wrote:
>> On 04.04.2013, at 13:53, Andreas Färber wrote:
>> > For PReP, Fabien has not stated what his use case actually is (in
>> > particular which hardware?), so it's hard for me to comment on what the
>> > hardware actually does and I thus won't accept random changes just
>> > because they happen to be in Leon3 code. There's nothing conceptually
>> > wrong with loading ELF code so I'm positive we will find a solution to
>> > accommodate all use cases in some way. :)
>> I think it makes a lot of sense to support loading -kernel as an ELF binary. 
>> I don't think it's a good idea to allow -kernel without any BIOS. We do that 
>> on the e500 machines and so far it's mostly hurt us.
> 
> If by "mostly hurt us" you mean allowed things to work without having to do a 
> bunch of hacking to create a paravirt U-Boot and/or implement a bunch of 
> emulation that we don't really need otherwise.

I mean that we lack compatibility. The less we diverge from what users are used 
to, the better usability becomes for users.

Just try to run *BSD on e500. Good luck ;)

Alex

> 
> -Scott