The real issue is that the code to actually compile a DBG2 (including all subtables) has not been written yet.
Here's an example of a large DBG2 with subtables.
/* * Intel ACPI Component Architecture * AML Disassembler version 20120711-32 [Aug 14 2012] * Copyright (c) 2000 - 2012 Intel Corporation * * Disassembly of dbg2.aml, Tue Aug 14 09:34:28 2012 * * ACPI Data Table [DBG2] * * Format: [HexOffset DecimalOffset ByteLength] FieldName : FieldValue */
[000h 0000 4] Signature : "DBG2" [Debug Port table type 2] [004h 0004 4] Table Length : 000000CE [008h 0008 1] Revision : 01 [009h 0009 1] Checksum : B1 [00Ah 0010 6] Oem ID : "INTEL " [010h 0016 8] Oem Table ID : "TEMPLATE" [018h 0024 4] Oem Revision : 00000000 [01Ch 0028 4] Asl Compiler ID : "INTL" [020h 0032 4] Asl Compiler Revision : 20120711
[024h 0036 4] Info Offset : 0000002C [028h 0040 4] Info Count : 00000002
[02Ch 0044 1] Revision : 00 [02Dh 0045 2] Length : 004C [02Fh 0047 1] Register Count : 02 [030h 0048 2] Namepath Length : 0009 [032h 0050 2] Namepath Offset : 0036 [034h 0052 2] OEM Data Length : 000D [036h 0054 2] OEM Data Offset : 003F [038h 0056 2] Port Type : 8000 [03Ah 0058 2] Port Subtype : 0000 [03Ch 0060 2] Reserved : 0000 [03Eh 0062 2] Base Address Offset : 0016 [040h 0064 2] Address Size Offset : 002E
[042h 0066 12] Base Address Register : [Generic Address Structure] [042h 0066 1] Space ID : 01 [SystemIO] [043h 0067 1] Bit Width : 32 [044h 0068 1] Bit Offset : 00 [045h 0069 1] Encoded Access Width : 03 [DWord Access:32] [046h 0070 8] Address : 1122334455667788
[04Eh 0078 12] Base Address Register : [Generic Address Structure] [04Eh 0078 1] Space ID : 01 [SystemIO] [04Fh 0079 1] Bit Width : 64 [050h 0080 1] Bit Offset : 00 [051h 0081 1] Encoded Access Width : 04 [QWord Access:64] [052h 0082 8] Address : AABBCCDDEEFF0011
[05Ah 0090 4] Address Size : 76543210 [05Eh 0094 4] Address Size : FEDCBA98
[062h 0098 9] Namepath : "MyDevice"
[06Bh 0107 13] OEM Data : 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D
[078h 0120 1] Revision : 00 [079h 0121 2] Length : 0056 [07Bh 0123 1] Register Count : 01 [07Ch 0124 2] Namepath Length : 0010 [07Eh 0126 2] Namepath Offset : 0026 [080h 0128 2] OEM Data Length : 0020 [082h 0130 2] OEM Data Offset : 0036 [084h 0132 2] Port Type : 8000 [086h 0134 2] Port Subtype : 0000 [088h 0136 2] Reserved : 0000 [08Ah 0138 2] Base Address Offset : 0016 [08Ch 0140 2] Address Size Offset : 0022
[08Eh 0142 12] Base Address Register : [Generic Address Structure] [08Eh 0142 1] Space ID : 01 [SystemIO] [08Fh 0143 1] Bit Width : 64 [090h 0144 1] Bit Offset : 00 [091h 0145 1] Encoded Access Width : 04 [QWord Access:64] [092h 0146 8] Address : AABBCCDDEEFF0011
[09Ah 0154 4] Address Size : FEDCBA98
[09Eh 0158 16] Namepath : "\_SB_.PCI0.DBGP"
[0AEh 0174 16] OEM Data : 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 [0BEh 0190 16] : 57 58 59 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D
-----Original Message----- From: devel-bounces@acpica.org [mailto:devel-bounces@acpica.org] On Behalf Of naresh.bhat@linaro.org Sent: Wednesday, October 16, 2013 12:49 AM To: devel@acpica.org Cc: linaro-acpi@lists.linaro.org Subject: [Devel] [PATCH 0/2] Fix DBG2 compilation template issue
From: Naresh Bhat naresh.bhat@linaro.org
The patches try to fix the DBG2 table compilation issue and also tries to add a template support for DBG2 tables.
Naresh Bhat (2): iASL: Fix Table Info handler for DBG2 iASL: Add template support for dbg2
source/common/dmtable.c | 2 +- source/compiler/dtcompiler.h | 1 + source/compiler/dttemplate.h | 10 ++++++++++ 3 files changed, 12 insertions(+), 1 deletion(-)
-- 1.7.9.5
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