版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/tiantao2012/article/details/87966632
yum install acpica-tools.aarch64
[root@localhost ~]# acpidump > acpidump.out
[root@localhost ~]# acpixtract -a acpidump.out
Intel ACPI Component Architecture
ACPI Binary Table Extraction Utility version 20160527-64
Copyright (c) 2000 - 2016 Intel Corporation
Acpi table [SPCR] - 80 bytes written to spcr.dat
Acpi table [MCFG] - 172 bytes written to mcfg.dat
Acpi table [GTDT] - 124 bytes written to gtdt.dat
Acpi table [APIC] - 5348 bytes written to apic.dat
Acpi table [IORT] - 1364 bytes written to iort.dat
Acpi table [SLIT] - 60 bytes written to slit.dat
Acpi table [DSDT] - 26630 bytes written to dsdt.dat
Acpi table [SRAT] - 1400 bytes written to srat.dat
Acpi table [DBG2] - 90 bytes written to dbg2.dat
Acpi table [FACP] - 276 bytes written to facp.dat
10 binary ACPI tables extracted
[root@localhost ~]# iasl -d mcfg.dat
Intel ACPI Component Architecture
ASL+ Optimizing Compiler version 20160527-64
Copyright (c) 2000 - 2016 Intel Corporation
Input file mcfg.dat, Length 0xAC (172) bytes
Acpi Data Table [MCFG] decoded
Formatted output: mcfg.dsl - 3955 bytes
[root@localhost ~]# cat mcfg.dsl
/*
* Intel ACPI Component Architecture
* AML/ASL+ Disassembler version 20160527-64
* Copyright (c) 2000 - 2016 Intel Corporation
*
* Disassembly of mcfg.dat, Wed Feb 27 02:39:52 2019
*
* ACPI Data Table [MCFG]
*
* Format: [HexOffset DecimalOffset ByteLength] FieldName : FieldValue
*/
[000h 0000 4] Signature : "MCFG" [Memory Mapped Configuration table]
[004h 0004 4] Table Length : 000000AC
[008h 0008 1] Revision : 01
[009h 0009 1] Checksum : E8
[018h 0024 4] Oem Revision : 00000000
[01Ch 0028 4] Asl Compiler ID : "INTL"
[020h 0032 4] Asl Compiler Revision : 20151124
[024h 0036 8] Reserved : 0000000000000000
[02Ch 0044 8] Base Address : 00000000B0000000
[034h 0052 2] Segment Group Number : 0002
[036h 0054 1] Start Bus Number : E8
[037h 0055 1] End Bus Number : EF
[038h 0056 4] Reserved : 00000000
[03Ch 0060 8] Base Address : 00000007C0000000
[044h 0068 2] Segment Group Number : 0004
[046h 0070 1] Start Bus Number : 48
[047h 0071 1] End Bus Number : 4F
[048h 0072 4] Reserved : 00000000
[04Ch 0076 8] Base Address : 0000000400000000
[054h 0084 2] Segment Group Number : 0005
[056h 0086 1] Start Bus Number : 00
[057h 0087 1] End Bus Number : 07
[058h 0088 4] Reserved : 00000000
[05Ch 0092 8] Base Address : 0000000740000000
[064h 0100 2] Segment Group Number : 0006
[066h 0102 1] Start Bus Number : 08
[067h 0103 1] End Bus Number : 0F
[068h 0104 4] Reserved : 00000000
[06Ch 0108 8] Base Address : 0000000780000000
[074h 0116 2] Segment Group Number : 0007
[076h 0118 1] Start Bus Number : 40
[077h 0119 1] End Bus Number : 47
[078h 0120 4] Reserved : 00000000
[07Ch 0124 8] Base Address : 0000064000000000
[084h 0132 2] Segment Group Number : 000A
[086h 0134 1] Start Bus Number : 10
[087h 0135 1] End Bus Number : 1F
[088h 0136 4] Reserved : 00000000
[08Ch 0140 8] Base Address : 0000074000000000
[094h 0148 2] Segment Group Number : 000C
[096h 0150 1] Start Bus Number : 20
[097h 0151 1] End Bus Number : 2F
[098h 0152 4] Reserved : 00000000
[09Ch 0156 8] Base Address : 0000078000000000
[0A4h 0164 2] Segment Group Number : 000D
[0A6h 0166 1] Start Bus Number : 30
[0A7h 0167 1] End Bus Number : 3F
[0A8h 0168 4] Reserved : 00000000
Raw Table Data: Length 172 (0xAC)
0020: 24 11 15 20 00 00 00 00 00 00 00 00 00 00 00 B0 // $.. ............
0030: 00 00 00 00 02 00 E8 EF 00 00 00 00 00 00 00 C0 // ................
0040: 07 00 00 00 04 00 48 4F 00 00 00 00 00 00 00 00 // ......HO........
0050: 04 00 00 00 05 00 00 07 00 00 00 00 00 00 00 40 // ...............@
0060: 07 00 00 00 06 00 08 0F 00 00 00 00 00 00 00 80 // ................
0070: 07 00 00 00 07 00 40 47 00 00 00 00 00 00 00 00 // ......@G........
0080: 40 06 00 00 0A 00 10 1F 00 00 00 00 00 00 00 00 // @...............
0090: 40 07 00 00 0C 00 20 2F 00 00 00 00 00 00 00 00 // @..... /........
00A0: 80 07 00 00 0D 00 30 3F 00 00 00 00 // ......0?....