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43 .Op Fl o Ar i | s | b | o
50 utility calls the ACPI method
52 with the arguments specified by any
62 argument must be a full ACPI namespace path such as
63 .Pa \e_SB.PCI0.PEGR.GFX0._DSM .
65 Note that in order to be able to use the
68 .Va debug.acpi.allow_method_calls
69 loader tunable must be specified in
70 .Pa /boot/loader.conf .
72 The following options are supported:
73 .Bl -tag -width indent
79 Specify the path of the ACPI control device.
85 as an integer argument.
86 .It Fl o Ar i | s | b | o
87 Choose the format to print the result in:
100 as a buffer argument.
105 Note that many ACPI methods are specific to the BIOS and machine in
106 question, so it is impossible to present any generic examples that will
108 Some familiarity with ASL and the DSDT code of the specific machine to
109 be tweaked is highly recommended.
111 The following calls were successfully used to turn off the discrete
119 acpicall -U a486d8f8-0bda-471b-a72b-6042a6b5bee0 \e
120 -i 256 -i 26 -b 01000003 "\e_SB.PCI0.PEGR.GFX0._DSM"
122 acpicall "\e_SB.PCI0.PEGR.GFX0._PS3"
139 .An Maxim Ignatenko Aq Mt gelraen.ua@gmail.com .
140 This manual page was written by