linux_kernel/tools/power/acpi/man/acpidump.8

.TH ACPIDUMP 8
.SH NAME
acpidump \- dump a system's ACPI tables to an ASCII file

.SH SYNOPSIS
.B acpidump
.RI [ options ]
.br

.SH DESCRIPTION
.B acpidump
dumps the systems ACPI tables to an ASCII file appropriate for
attaching to a bug report.

Subsequently, they can be processed by utilities in the ACPICA package.

.SH OPTIONS
acpidump options are as follow:
.TP
.B Options
.TP
.B \-b
Dump tables to binary files
.TP
.B \-c
Dump customized tables
.TP
.B \-h \-?
This help message
.TP
.B \-o <File>
Redirect output to file
.TP
.B \-r <Address>
Dump tables from specified RSDP
.TP
.B \-s
Print table summaries only
.TP
.B \-v
Display version information
.TP
.B \-z
Verbose mode
.TP
.B Table Options
.TP
.B \-a <Address>
Get table via a physical address
.TP
.B \-f <BinaryFile>
Get table via a binary file
.TP
.B \-n <Signature>
Get table via a name/signature
.TP
Invocation without parameters dumps all available tables
.TP
Multiple mixed instances of -a, -f, and -n are supported

.SH EXAMPLES

.nf
# acpidump > acpidump.out

$ acpixtract -a acpidump.out
        Acpi table [DSDT] -  15974 bytes written to DSDT.dat
        Acpi table [FACS] -     64 bytes written to FACS.dat
        Acpi table [FACP] -    116 bytes written to FACP.dat
        Acpi table [APIC] -    120 bytes written to APIC.dat
        Acpi table [MCFG] -     60 bytes written to MCFG.dat
        Acpi table [SSDT] -    444 bytes written to SSDT1.dat
        Acpi table [SSDT] -    439 bytes written to SSDT2.dat
        Acpi table [SSDT] -    439 bytes written to SSDT3.dat
        Acpi table [SSDT] -    439 bytes written to SSDT4.dat
        Acpi table [SSDT] -    439 bytes written to SSDT5.dat
        Acpi table [RSDT] -     76 bytes written to RSDT.dat
        Acpi table [RSDP] -     20 bytes written to RSDP.dat

$ iasl -d *.dat
...
.fi
creates *.dsl, a human readable form which can be edited
and compiled using iasl.


.SH NOTES

.B "acpidump "
must be run as root.

.SH REFERENCES
ACPICA: https://acpica.org/

.SH FILES
.ta
.nf
/dev/mem
/sys/firmware/acpi/tables/*
/sys/firmware/acpi/tables/dynamic/*
/sys/firmware/efi/systab
.fi

.SH AUTHOR
.TP
Original by:
 Len Brown <len.brown@intel.com>
.TP
Written by:
 Chao Guan <chao.guan@intel.com>
.TP
Updated by:
 Bob Moore <robert.moore@intel.com>
 Lv Zheng <lv.zheng@intel.com>

.SH SEE ALSO
\&\fIacpixtract\fR\|(8), \fIiasl\fR\|(8).

.SH COPYRIGHT
COPYRIGHT (c) 2013, Intel Corporation.