acpica-tools/acpihelp.1

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.TH ACPIHELP 1 "January 23, 2013"
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.SH NAME
acpihelp \- ACPI help utility
.SH SYNOPSIS
.B acpihelp
.RI <option> ...
.RI [<name-prefix>|<hex-value>]
.SH DESCRIPTION
This manual page briefly documents the
.B acpihelp
command. The option list is taken from the acpihelp interactive help.
.PP
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.B acpihelp
provides descriptive text for AML and ASL keywords, methods, and opcodes.
.PP
Much more detailed documentation may be found at
http://www.acpica.org/documentation/.
.PP
If neither a <name-prefix> or a <hex-value> is provided,
.B acpihelp
will do the logical equivalent of a "display all."
.PP
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.
.SH OPTIONS
.PP
.SS ACPI Names and Symbols
.TP
.B \-k [<name-prefix>]
Find/Display ASL non-operator keyword(s)
.TP
.B \-m [<name-prefix>]
Find/Display AML opcode name(s)
.TP
.B \-p [<name-prefix>]
Find/Display ASL predefined method name(s)
.TP
.B \-s [<name-prefix>]
Find/Display ASL operator name(s)
.PP
.SS ACPI Values
.TP
.B \-e [<hex-value>]
Decode ACPICA exception code
.TP
.B \-i
Display known ACPI Device IDs (_HID)
.TP
.B \-i [<hex-value>]
Decode hex AML opcode
.SH AUTHOR
acpihelp was written by Robert Moore <robert.moore@intel.com>.
.PP
This manual page was written by Al Stone <ahs3@redhat.com> for the
Fedora project (but may be used by others).