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Date:      Mon, 27 Sep 1999 12:25:44 +0900
From:      Mitsuru IWASAKI <iwasaki@jp.FreeBSD.org>
To:        mike@smith.net.au
Cc:        iwasaki@jp.FreeBSD.org, current@freebsd.org
Subject:   Re: Experimental ACPI driver. 
Message-ID:  <199909270323.MAA17896@tasogare.imasy.or.jp>
In-Reply-To: Your message of "Sun, 26 Sep 1999 12:06:55 -0700" <199909261906.MAA13438@dingo.cdrom.com>
References:  <199909261906.MAA13438@dingo.cdrom.com>

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Hi, Mike.
# I'm very happy because of your reply :)

> > > We wrote experimental ACPI driver for 4.0-CURRENT.
> > 
> > This was just one week work so its functionallity is very very poor :-)
> > but I think it is good idea to start with this for developping ACPI
> > driver for FreeBSD because it is enough small to understand it.
> 
> I'm not sure this is the right way to go about it, although I haven't 
> looked at your code yet.  APCI is a big animal, and I think it's going 
> to take a proper design to get it right.

Indeed.  Also I think that this project cannot be achieved easily by
only one/two person's efforts.  I believe having this kind of prototype
makes our discussion easier.  We are going to prepare the materials
for our further discussion.

> The key components would appear to be a full AML parser, an object 
> manager to manage the ACPI namespace, and an AML interpreter to run the 
> AML methods.

Yes, Yes.

> > If someone already started wriring ACPI devive driver, please let us
> > know.  We'd like to merge them and would be happy in collaboration
> > with you.
> 
> Both Doug Rabson and myself have been tinkering with this, and there's 
> someone that's been looking at an AML parser/interpreter in the last 
> couple of weeks.  At this point in time, the parser and object manager 
> are the most vital components.

Now we got new friends :) Mr. Watanabe is going FreeBSDCon
(unfortunately I cannot), you can discuss this matter with him.
I think the time has come to start!

Thank you very much.


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