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


 SYNOPSIS
 acpidump  [ options ] 



 DESCRIPTION
 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.


 OPTIONS
acpidump options are as follow:


 Options 

 -b Dump tables to binary files


 -h -? This help message


 -o <File> Redirect output to file


 -r <Address> Dump tables from specified RSDP


 -s Print table summaries only


 -v Display version information


 -z Verbose mode


 Table Options 

 -a <Address> Get table via a physical address


 -c <on|off> Turning on/off customized table dumping


 -f <BinaryFile> Get table via a binary file


 -n <Signature> Get table via a name/signature


 -x Do not use but dump XSDT


 -x -x Do not use or dump XSDT




Invocation without parameters dumps all available tables.


Multiple mixed instances of -a, -f, and -n are supported.


 EXAMPLES


# 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
...


creates *.dsl, a human readable form which can be edited
and compiled using iasl.



 NOTES

 "acpidump " must be run as root.


 REFERENCES
ACPICA: https://acpica.org/


 FILES
/dev/mem
/sys/firmware/acpi/tables/*
/sys/firmware/acpi/tables/dynamic/*
/sys/firmware/efi/systab




 AUTHOR

Original by:
 Len Brown <len.brown@intel.com>


Written by:
 Chao Guan <chao.guan@intel.com>


Updated by:
 Bob Moore <robert.moore@intel.com>
 Lv Zheng <lv.zheng@intel.com>


 SEE ALSO
\fIacpixtract\|(8), iasl\|(8).


 COPYRIGHT
COPYRIGHT (c) 2013, Intel Corporation.