ACPI: Difference between revisions

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The second worst type of coder in the world is the kind that [http://geekz.co.uk/lovesraymond/archive/so-i-married-a-kernel-programmer shows up with a bloody shovel]. The worst kind is a BIOS coder. This tradition has been proudly maintained by a Purple Sash Society of BIOS programmers ("enumerators", "scribes", whatever), primarily illiterate folk from Alberta and [http://dankamongmen.livejournal.com/#entry_298962 Thailand]. Anyway, on to ACPI.
Not to be confused with [[APIC]].
 
The second worst type of coder in the world is the kind that [http://geekz.co.uk/lovesraymond/archive/so-i-married-a-kernel-programmer shows up with a bloody shovel]. The worst kind is a BIOS coder. This tradition has been proudly maintained by a Purple Sash Society of BIOS programmers ("enumerators", "scribes", whatever), primarily illiterate folk from Alberta and [http://dankamongmen.livejournal.com/#entry_298962 Thailand]. Anyway, on to ACPI, a creation of the [http://www.acpi.info/ Advanced Configuration and Power Interface] group.


<tt>acpidump</tt> differs subtly and annoyingly between [[Debian]] and [[FreeBSD]].
<tt>acpidump</tt> differs subtly and annoyingly between [[Debian]] and [[FreeBSD]].
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Disassembly completed, written to "DSDT.dsl"
Disassembly completed, written to "DSDT.dsl"
[recombinator](0) $</pre>
[recombinator](0) $</pre>
==Specifications==
The current version is 3.0, amended as 3.0a. Version 4.0 is under development.
* [http://www.acpi.info/spec30a.htm ACPI 3.0a] specification
* [http://www.acpi.info/spec30.htm ACPI 3.0] specification

Revision as of 04:51, 13 May 2009

Not to be confused with APIC.

The second worst type of coder in the world is the kind that shows up with a bloody shovel. The worst kind is a BIOS coder. This tradition has been proudly maintained by a Purple Sash Society of BIOS programmers ("enumerators", "scribes", whatever), primarily illiterate folk from Alberta and Thailand. Anyway, on to ACPI, a creation of the Advanced Configuration and Power Interface group.

acpidump differs subtly and annoyingly between Debian and FreeBSD.

[recombinator](0) $ sudo acpidump  -o recombinator.acpi 
[recombinator](0) $  acpixtract -l recombinator.acpi 

Signature Length  OemId     OemTableId   OemRevision CompilerId CompilerRevision

    DSDT   17452  "INTEL "  "DG965WH "    000006C1    "MSFT"     01000013
    FACS      64
    FACP     116  "INTEL "  "DG965WH "    000006C1    "MSFT"     01000013
    APIC     120  "INTEL "  "DG965WH "    000006C1    "MSFT"     01000013
    WDDT      64  "INTEL "  "DG965WH "    000006C1    "MSFT"     01000013
    MCFG      60  "INTEL "  "DG965WH "    000006C1    "MSFT"     01000013
    ASF!     166  "INTEL "  "DG965WH "    000006C1    "MSFT"     01000013
    HPET      56  "INTEL "  "DG965WH "    000006C1    "MSFT"     01000013
    SSDT     524  "INTEL "  "CpuPm   "    000006C1    "MSFT"     01000013
    SSDT     373  "INTEL "  "Cpu0Ist "    000006C1    "MSFT"     01000013
    SSDT     373  "INTEL "  "Cpu1Ist "    000006C1    "MSFT"     01000013
    SSDT     373  "INTEL "  "Cpu2Ist "    000006C1    "MSFT"     01000013
    SSDT     373  "INTEL "  "Cpu3Ist "    000006C1    "MSFT"     01000013
    RSDT      80  "INTEL "  "DG965WH "    000006C1    "    "     01000013
    RSDP          "INTEL "

Found 15 ACPI tables [20060324]
[recombinator](0) $  acpixtract recombinator.acpi 
Acpi table [DSDT] - 17452 bytes written to DSDT.dat
Acpi table [SSDT] - 524 bytes written to SSDT1.dat
Acpi table [SSDT] - 373 bytes written to SSDT2.dat
Acpi table [SSDT] - 373 bytes written to SSDT3.dat
Acpi table [SSDT] - 373 bytes written to SSDT4.dat
Acpi table [SSDT] - 373 bytes written to SSDT5.dat
[recombinator](0) $ iasl -d DSDT.dat

Intel ACPI Component Architecture
AML Disassembler version 20061109 [May 15 2007]
Copyright (C) 2000 - 2006 Intel Corporation
Supports ACPI Specification Revision 3.0a

Loading Acpi table from file DSDT.dat
Acpi table [DSDT] successfully installed and loaded
Pass 1 parse of [DSDT]
Pass 2 parse of [DSDT]
Parsing Deferred Opcodes (Methods/Buffers/Packages/Regions)
Parsing completed
Disassembly completed, written to "DSDT.dsl"
[recombinator](0) $

Specifications

The current version is 3.0, amended as 3.0a. Version 4.0 is under development.