[yocto] Add extra parameters for qemu script

[Ke, Liping]

Hi, Scott

I have updated the patch and tested with poky-tree mode (arm, x86).
Since kvm and serial needs special processing, so for avoiding repeating the code, I will exclude serial and kvm in permitted extra-option, user need to use (serial, kvm) it they want to use it. 

For "<-m XXX>" options, I will keep the original logic. If it's arm, the > 128M memory will be forced back to 128M.

It's the high-level user's responsibility to make sure other params are valid.

Any problem, just let me know.

Thanks a lot for your help!

criping

> -----Original Message-----
> From: Garman, Scott A
> Sent: Monday, December 13, 2010 10:16 AM
> To: Ke, Liping
> Cc: Richard Purdie; Zhang, Jessica; Lu, Lianhao; Cui, Dexuan;
> yocto at yoctoproject.org
> Subject: Re: Add extra parameters for qemu script
> 
> On 12/12/2010 05:43 PM, Ke, Liping wrote:
> >> I tend to feel that this approach is more flexible, and scales
> better
> >>> than having to support each and every qemu option with our own
> script
> >>> syntax. Is this acceptable, or should we continue to support our
> own
> >>> custom options in addition to Criping's new approach?
> >>
> >> My gut feeling is that having some simplified way to trigger
> possibly
> >> complex option combinations is still desirable but adding a way to
> pass
> >> additional custom commandline is equally good. This gives us the
> >> maximum
> >> flexibility moving forwards but keeps the script easy to use?
> >>
> >
> > Hi, Scott
> >
> > So the conclusion is that I should keep the old (serial nographic)
> option while
> > adding the new "<-XXX -XXX -XXX>" option?
> > OK. I will send out the modified patch to you for review later.
> 
> Yes, please respin the patch with those changes.
> 
> Thanks!
> 
> Scott
> 
> --
> Scott Garman
> Embedded Linux Distro Engineer - Yocto Project
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