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Re: [Qemu-devel] GSoC projects about AHCI and S3 Trio
From: |
Paul Brook |
Subject: |
Re: [Qemu-devel] GSoC projects about AHCI and S3 Trio |
Date: |
Tue, 30 Mar 2010 12:14:01 +0000 |
User-agent: |
KMail/1.12.4 (Linux/2.6.32-trunk-amd64; KDE/4.3.4; x86_64; ; ) |
> Hi Roland,
>
> On 30.03.2010, at 01:52, Roland Elek wrote:
> > Dear Qemu developers,
> >
> > I am a university student from Hungary interested in contributing to Qemu
> > through Google Summer of Code. I am interested in emulation, and two
> > projects from the ideas page in particular. One of them is AHCI
> > emulation. Can I kindly ask you what were the hardest points that made
> > the project get a high difficulty rating, so that I could determine
> > whether to apply for it or not? At a first glance, I think that AHCI code
> > from VirtualBox OSE would be a good place to start. What do you think?
>
> I looked at the AHCI code from vbox some time ago and deemed it unreadable.
> It's probably easier to go with the spec and implement it from there.
I agree. IIRC the AHCI documentation is pretty good.
The main reason I implemented the LSI SCSI HBA rather than AHCI was because at
the time the SCSI HBA had much wider OS support.
Paul