Section: User Commands (1)
Updated: January 23, 2013
acpihelp - ACPI help utility
This manual page briefly documents the
command. The option list is taken from the acpihelp interactive help.
provides descriptive text for AML and ASL keywords, methods, and opcodes.
Much more detailed documentation may be found at
If neither a <name-prefix> or a <hex-value> is provided,
will do the logical equivalent of a "display all."
A default search (that is, a search with no options) and a <name-prefix>
can mean two different things: (1) if <name-prefix> does not start with
an underscore, find ASL operator names, or (2) if <name-prefix> does start
with an underscore, find ASL predefined method names.
ACPI Names and Symbols
- -k [<name-prefix>]
Find/Display ASL non-operator keyword(s)
- -m [<name-prefix>]
Find/Display AML opcode name(s)
- -p [<name-prefix>]
Find/Display ASL predefined method name(s)
- -s [<name-prefix>]
Find/Display ASL operator name(s)
- -e [<hex-value>]
Decode ACPICA exception code
Display known ACPI Device IDs (_HID)
- -i [<hex-value>]
Decode hex AML opcode
acpihelp was written by Robert Moore <email@example.com
This manual page was written by Al Stone <firstname.lastname@example.org> for the
Fedora project (but may be used by others).