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.\"-
.\" Copyright (c) 2003 Nate Lawson
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer
.\" in this position and unchanged.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\" 3. The name of the author may not be used to endorse or promote products
.\" derived from this software without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
.\" $FreeBSD$
.\"
.Dd May 20, 2008
.Dt IASL 8
.Os
.Sh NAME
.Nm iasl
.Nd Intel ACPI compiler/decompiler
.Sh SYNOPSIS
.Nm
.Op Fl 2cefghl
.Op Fl b Ar type
.Op Fl d Ar file
.Op Fl dc Ar file
.Op Fl hc
.Op Fl hr
.Op Fl i Ar type
.Op Fl ln
.Op Fl ls
.Op Fl oa
.Op Fl of
.Op Fl oi
.Op Fl on
.Op Fl ot
.Op Fl p Ar prefix
.Op Fl s Ar type
.Op Fl t Ar type
.Op Fl vi
.Op Fl vo
.Op Fl vr
.Op Fl vs
.Op Fl x Ar level
.Op Fl w Ar level
.Ar input-file
.Sh DESCRIPTION
The
.Nm
utility is a compiler/decompiler for ACPI Source Language (ASL)
and ACPI Machine Language (AML).
Major features of
.Nm
include:
.Bl -bullet -offset indent
.It
Full support for the ACPI 3.0b Specification including ASL grammar
elements and operators.
.It
Extensive compiler syntax and semantic error checking, especially in
the area of control methods.
This reduces the number of errors that are
not discovered until the AML code is actually interpreted (i.e., the
compile-time error checking reduces the number of run-time errors).
.It
Multiple types of output files, including formatted listing files with
intermixed source, several types of AML files, and error messages.
.El
.Sh OPTIONS
.Bl -tag -width indent
.It Fl 2
Emit ACPI 2.0 compatible ASL code.
.It Fl b Sm Cm p | t | b Sm
Create compiler debug/trace file
.Pq Pa *.txt .
Types: Parse/Tree/Both.
.It Fl c
Parse only, no output generation.
.It Fl d Ar file
Disassemble AML to ASL source code file
.Pq Pa *.dsl .
.It Fl dc Ar file
Disassemble AML and immediately compile it.
(Obtain DSDT from current system if no input file.)
.It Fl e
Generate
.Fn External
statements for unresolved symbols.
.It Fl f
Ignore errors, force creation of AML output file(s).
.It Fl g
Get ACPI tables and write to files
.Pq Pa *.dat .
.It Fl h
Additional help and compiler debug options.
.It Fl hc
Display operators allowed in constant expressions.
.It Fl hr
Display ACPI reserved method names.
.It Fl i Sm Cm a | c Sm
Create assembler or C include file
.Pa ( *.inc
or
.Pa *.h ) .
.It Fl l
Create mixed listing file (ASL source and AML)
.Pq Pa *.lst .
.It Fl ln
Create namespace file
.Pq Pa *.nsp .
.It Fl ls
Create combined source file (expanded includes)
.Pq Pa *.src .
.It Fl oa
Disable all optimizations (compatibility mode).
.It Fl of
Disable constant folding.
.It Fl oi
Disable integer optimization to Zero/One/Ones.
.It Fl on
Disable named reference string optimization.
.It Fl ot
Display compile times.
.It Fl p Ar prefix
Specify filename prefix for all output files (including
.Pa .aml ) .
.It Fl s Sm Cm a | c Sm
Create AML in assembler or C source file
.Pa ( *.asm
or
.Pa *.c ) .
.It Fl t Ar a|c
Create AML in assembler or C hex table
.Pq Pa *.hex .
.It Fl vi
Less verbose errors and warnings for use with IDEs.
.It Fl vo
Enable optimization comments.
.It Fl vr
Disable remarks.
.It Fl vs
Disable signon.
.It Fl x Ar level
Set debug level for trace output.
.It Fl w Ar level
Set warning level.
.El
.Sh SEE ALSO
.Xr acpi 4 ,
.Xr acpidump 8
.Sh HISTORY
The
.Nm
utility is provided with Intel ACPI-CA.
It first appeared in
.Fx 5.2 .
.Sh AUTHORS
.An -nosplit
The
.Nm
utility was written by
.An Intel .
This manual page was written by
.An Nate Lawson .
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