/usr/bin/iasl

Intel ACPI Component Architecture
ASL+ Optimizing Compiler/Disassembler version 20260930
Copyright (c) 2000 - 2026 Intel Corporation

Supports ACPI Specification Revision 6.5

Usage: iasl [Options] [Files]
Options:

General:
  -@  <file>          Specify command file
  -I  <dir>           Specify additional include directory
  -p  <prefix>        Specify path/filename prefix for all output files
  -v                  Display compiler version
  -vd                 Display compiler build date and time
  -vo                 Enable optimization comments
  -vs                 Disable signon
  -ld                 Disable deterministic output

Help:
  -h                  This message
  -hc                 Display operators allowed in constant expressions
  -hd                 Info for obtaining and disassembling binary ACPI tables
  -hf                 Display help for output filename generation
  -hr                 Display ACPI reserved method names
  -ht                 Display currently supported ACPI table names

Preprocessor:
  -D <symbol>         Define symbol for preprocessor use
  -li                 Create preprocessed output file (*.i)
  -P                  Preprocess only and create preprocessor output file (*.i)
  -Pn                 Disable preprocessor

Errors, Warnings, and Remarks:
  -va                 Disable all errors/warnings/remarks
  -ve                 Report only errors (ignore warnings and remarks)
  -vi                 Less verbose errors and warnings for use with IDEs
  -vr                 Disable remarks
  -vw <messageid>     Ignore specific error, warning or remark
  -vx <messageid>     Expect a specific warning, remark, or error
  -w <1|2|3>          Set warning reporting level
  -we                 Report warnings as errors
  -ww <messageid>     Report specific warning or remark as error

AML Bytecode Generation (*.aml):
  -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                 Disable typechecking
  -cr                 Disable Resource Descriptor error checking
  -in                 Ignore NoOp operators
  -r <revision>       Override table header Revision (1-255)

Listings:
  -l                  Create mixed listing file (ASL source and AML) (*.lst)
  -lm                 Create hardware summary map file (*.map)
  -ln                 Create namespace file (*.nsp)
  -ls                 Create combined source file (expanded includes) (*.src)
  -lx                 Create cross-reference file (*.xrf)

Firmware Support - C Text Output:
  -tc                 Create hex AML table in C (*.hex)
  -sc                 Create named hex AML arrays in C (*.c)
  -ic                 Create include file in C for -sc symbols (*.h)
  -so                 Create namespace AML offset table in C (*.offset.h)

Firmware Support - Assembler Text Output:
  -ta                 Create hex AML table in assembler (*.hex)
  -sa                 Create named hex AML arrays in assembler (*.asm)
  -ia                 Create include file in assembler for -sa symbols (*.inc)

Firmware Support - ASL Text Output:
  -ts                 Create hex AML table in ASL (Buffer object) (*.hex)

Legacy-ASL to ASL+ Converter:
  -ca <file>          Convert legacy-ASL source file to new ASL+ file
                        (Original comments are passed through to ASL+ file)

Data Table Compiler:
  -tp                 Compile tables with flex/bison prototype
  -G                  Compile custom table that contains generic operators
  -T <sig list>|ALL   Create ACPI table template/example files
  -T <count>          Emit DSDT and <count> SSDTs to same file
  -vt                 Create verbose template files (full disassembly)

AML Disassembler:
  -d  <f1 f2 ...>     Disassemble or decode binary ACPI tables to file (*.dsl)
                        (Optional, file type is automatically detected)
  -da <f1 f2 ...>     Disassemble multiple tables from single namespace
  -db                 Do not translate Buffers to Resource Templates
  -dc <f1 f2 ...>     Disassemble AML and immediately compile it
                        (Obtain DSDT from current system if no input file)
  -df                 Force disassembler to assume table contains valid AML
  -dl                 Emit legacy ASL code only (no C-style operators)
  -ds <signature(4)>  Specify a table signature(4) (CDAT table only)
  -e  <f1 f2 ...>     Include ACPI table(s) for external symbol resolution
  -fe <file>          Specify external symbol declaration file
  -in                 Ignore NoOp opcodes
  -l                  Disassemble to mixed ASL and AML code
  -vt                 Dump binary table data in hex format within output file

Debug Options:
  -bc                 Create converter debug file (*.cdb)
  -bf                 Create debug file (full output) (*.txt)
  -bs                 Create debug file (parse tree only) (*.txt)
  -bp <depth>         Prune ASL parse tree
  -bt <type>          Object type to be pruned from the parse tree
  -f                  Ignore errors, force creation of AML output file(s)
  -m <size>           Set internal line buffer size (in Kbytes)
  -n                  Parse only, no output generation
  -oc                 Display compile times and statistics
  -x <level>          Set debug level for trace output
  -z                  Do not insert new compiler ID for DataTables