Dear

Thanks for the replies.
In TUDOS wiki, it said that "In 2007 the actually supported API of Fiasco was too disjunct with the Version 2 API, so Fiasco received its own API name which is L4.Fiasco."

After browsing the fiasco website, I couldn't find the relative document about L4.Fiasco.
Does L4.Fiasco kernel API and ABI release any reference documents?

Thanks again.

Best Regards,
Sean

On Sat, Aug 30, 2008 at 5:40 PM, Björn Döbel <doebel@os.inf.tu-dresden.de> wrote:
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Sean schrieb:
> Dear
>
> We are currently working on the ukernel design and survey the L4 API
> interface.
> For Fiasco, it is implemented on L4/V2 and L4/X.0 interfaces.

That's only partially true for the latest Fiasco SVN version. We
consider it implementing the L4.Fiasco spec, implementing L4v2 and
several additions that have been inherited from other specs such as x0
or have been incorporated by ourselves.

> If we implement a new u-kernel by ourselves that follows the same L4 API
> interface, will it still support the L4Env and L4Linux which will be put
> above this u-kernel? I think this issue is reasonable.

Since it is an ABI, not an API, when you implement a kernel providing
the same ABI provided by Fiasco, you will be able to run L4Env and
L4Linux on top, yes.

Bjoern
- --
Dipl.-Inf. Bjoern Doebel    Mail:  doebel@tudos.org
TU Dresden, OS Chair        Phone: +49 351 463 38 799
Noethnitzer Str. 46         Fax:   +49 351 463 38 284
01187 Dresden, Germany      WWW:   http://www.tudos.org
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