ACPI DSDT
Bari Ari
bari at onelabs.com
Tue Jun 1 10:50:01 CEST 2004
Stefan Reinauer wrote:
> Hi,
>
> one thing that is generically missing in LinuxBIOS' ACPI implementation
> is the detailed system description table (DSDT The part telling whether
> there is a lid and how detect whether it is open or closed)
>
> The DSDT is written in ASL which is compiled to AML bytecode using an
> ASL compiler (ie. Intel's iasl) Thus, a LinuxBIOS port implementing a
> DSDT needs either to come with a precompiled DSDT or it needs an
> installed ASL compiler. What is the preferred default behaviour? Do we
> want to add ASL source code or rather have something that keeps the
> build requirements for those boards as small as possible.
> Or we can pack both the ASL and AML version of the DSDT and have the
> build process use the precompiled code only. This on the other hand
> requires developers to take care that they check in a new binary version
> when they change something to the ASL code. CVS is not doing too well
> with binary stuff..
>
> Opinions?
Some links on ASL and DSDT:
http://developer.intel.com/technology/iapc/acpi/downloads.htm
http://www.acpi.info/toolkit.htm
http://www.cpqlinux.com/acpi-howto.html
http://acpi.sourceforge.net/dsdt/index.php
-Bari
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