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IASL(8)			  BSD System Manager's Manual		       IASL(8)

     iasl -- Intel ACPI	compiler/decompiler

     iasl [-2cefghl] [-b type] [-d file] [-dc file] [-hc] [-hr]	[-i type]
	  [-ln]	[-ls] [-oa] [-of] [-oi]	[-on] [-ot] [-p	prefix]	[-s type]
	  [-t type] [-vi] [-vo]	[-vr] [-vs] [-x	level] [-w level] input-file

     The iasl utility is a compiler/decompiler for ACPI	Source Language	(ASL)
     and ACPI Machine Language (AML).  Major features of iasl include:

	   o   Full support for	the ACPI 3.0b Specification including ASL
	       grammar elements	and operators.

	   o   Extensive compiler syntax and semantic error checking, espe-
	       cially in the area of control methods.  This reduces the	number
	       of errors that are not discovered until the AML code is actu-
	       ally interpreted	(i.e., the compile-time	error checking reduces
	       the number of run-time errors).

	   o   Multiple	types of output	files, including formatted listing
	       files with intermixed source, several types of AML files, and
	       error messages.

     -2	     Emit ACPI 2.0 compatible ASL code.

     -b	p|t|b
	     Create compiler debug/trace file (*.txt).	Types:

     -c	     Parse only, no output generation.

     -d	file
	     Disassemble AML to	ASL source code	file (*.dsl).

     -dc file
	     Disassemble AML and immediately compile it.  (Obtain DSDT from
	     current system if no input	file.)

     -e	     Generate External() statements for	unresolved symbols.

     -f	     Ignore errors, force creation of AML output file(s).

     -g	     Get ACPI tables and write to files	(*.dat).

     -h	     Additional	help and compiler debug	options.

     -hc     Display operators allowed in constant expressions.

     -hr     Display ACPI reserved method names.

     -i	a|c  Create assembler or C include file	(*.inc or *.h).

     -l	     Create mixed listing file (ASL source and AML) (*.lst).

     -ln     Create namespace file (*.nsp).

     -ls     Create combined source file (expanded includes) (*.src).

     -oa     Disable all optimizations (compatibility mode).

     -of     Disable constant folding.

     -oi     Disable integer optimization to Zero/One/Ones.

     -on     Disable named reference string optimization.

     -ot     Display compile times.

     -p	prefix
	     Specify filename prefix for all output files (including .aml).

     -s	a|c  Create AML	in assembler or	C source file (*.asm or	*.c).

     -t	a|c  Create AML	in assembler or	C hex table (*.hex).

     -vi     Less verbose errors and warnings for use with IDEs.

     -vo     Enable optimization comments.

     -vr     Disable remarks.

     -vs     Disable signon.

     -x	level
	     Set debug level for trace output.

     -w	level
	     Set warning level.

     acpi(4), acpidump(8)

     The iasl utility is provided with Intel ACPI-CA.  It first	appeared in
     FreeBSD 5.2.

     The iasl utility was written by Intel.  This manual page was written by
     Nate Lawson.

BSD				 May 20, 2008				   BSD


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