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Date:      Fri, 17 Jan 2003 19:11:34 -0500 (EST)
From:      John Baldwin <jhb@FreeBSD.org>
To:        Terry Lambert <tlambert2@mindspring.com>
Cc:        Nate Lawson <nate@root.org>, freebsd-current@FreeBSD.ORG
Subject:   Re: bad ACPL asl's on motherboards
Message-ID:  <XFMail.20030117191134.jhb@FreeBSD.org>
In-Reply-To: <3E289379.6473C66A@mindspring.com>

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On 17-Jan-2003 Terry Lambert wrote:
> John Baldwin wrote:
>> > For Intel, this is a win-win.
>> >
>> > For FreeBSD, unless Windows adopts the same code (which it will
>> > not do, since doing so will limit their market, just as using
>> > the code is currently limiting FreeBSD's market), it's a lose-lose.
>> 
>> Are you offering to write a new ACPI parser?  If not, then put up or
>> shut up.  It's not exactly a trivial task.
> 
> This was in the context of a discussion about what could be
> done about the problem.  It's really the original poster
> you should be asking to write code.  That's basically what
> I was doing (asking him to write the code) by posting the
> list of available options.
> 
> I was under the impression that the Intel ACPI parser was
> source code?
> 
> So what we're really talking about here is taking over the
> maintenance of, and forking, the Intel code, unless you think
> Microsoft wrote their code from scratch...

I do think M$ wrote their code from scratch prior to the existence
of the Intel ACPICA code.

> In any case, for anything for which there is a specification,
> was long as the specification is complete, implementation is
> really pretty trivial.

Haha, you are full of it if you say that.  The _exact_ problem
here is that M$'s ACPI interpreter is buggy and _doesn't_ follow
the spec, and so BIOS writer's have hacked their AML's to work
around the bugs in M$ interpreter.  Thus, if you were to write
an interpreter _to the spec_, you end up with what Intel has, and
certain machines don't work with it.

-- 

John Baldwin <jhb@FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/

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