1ACPIHELP(1)                 General Commands Manual                ACPIHELP(1)
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NAME

6       acpihelp - ACPI help utility
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SYNOPSIS

9       acpihelp <option>...  [<name-prefix>|<hex-value>]
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DESCRIPTION

13       This  manual  page  briefly  documents the acpihelp command. The option
14       list is taken from the acpihelp interactive help.
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16       acpihelp provides descriptive text for AML and ASL  keywords,  methods,
17       and opcodes.
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19       Much     more     detailed    documentation    may    be    found    at
20       http://www.acpica.org/documentation/.
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22       If neither a <name-prefix> or a <hex-value> is provided, acpihelp  will
23       do the logical equivalent of a "display all."
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25       A  default  search (that is, a search with no options) and a <name-pre‐
26       fix> can mean two different things: (1) if <name-prefix> does not start
27       with  an  underscore,  find ASL operator names, or (2) if <name-prefix>
28       does start with an underscore, find ASL predefined method names.
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OPTIONS

32   ACPI Names and Symbols
33       -k [<name-prefix>]
34              Find/Display ASL non-operator keyword(s)
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36       -m [<name-prefix>]
37              Find/Display AML opcode name(s)
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39       -p [<name-prefix>]
40              Find/Display ASL predefined method name(s)
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42       -s [<name-prefix>]
43              Find/Display ASL operator name(s)
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46   ACPI Values
47       -e [<hex-value>]
48              Decode ACPICA exception code
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50       -i     Display known ACPI Device IDs (_HID)
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52       -i [<hex-value>]
53              Decode hex AML opcode
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AUTHOR

57       acpihelp was written by Robert Moore <robert.moore@intel.com>.
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59       This manual page was written by  Al  Stone  <ahs3@redhat.com>  for  the
60       Fedora project (but may be used by others).
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64                               January 23, 2013                    ACPIHELP(1)
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