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acpidump(8)

acpica

This is a set of tools to display and debug your BIOS ACPI tables

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

FILES

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

AUTHOR

Original by:
Len Brown <>
Written by:
Chao Guan <>
Updated by:
Bob Moore <>
Lv Zheng <>

SEE ALSO

acpixtract(8), iasl(8).

COPYRIGHT

COPYRIGHT (c) 2013, Intel Corporation.
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