xref: /openbmc/linux/tools/power/acpi/man/acpidump.8 (revision b34e08d5)
ACPIDUMP 8
NAME
acpidump - Dump system's ACPI tables to an ASCII file.
SYNOPSIS
acpidump > acpidump.out
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
no options worth worrying about.

EXAMPLE
# 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/dynamic/*

AUTHOR
Written by Len Brown <len.brown@intel.com>