acpica-tools/0030-Support-TCPA-in-a-big-endian-world.patch

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From b2e9a4397077ad56fea5a8b3f9f63ce3be65ae48 Mon Sep 17 00:00:00 2001
From: Al Stone <ahs3@redhat.com>
Date: Sun, 27 Sep 2020 12:09:28 -0600
Subject: [PATCH 30/40] Support TCPA in a big-endian world
Signed-off-by: Al Stone <ahs3@redhat.com>
---
source/common/dmtbdump3.c | 13 ++++++++-----
source/compiler/dttable2.c | 4 +++-
2 files changed, 11 insertions(+), 6 deletions(-)
Index: acpica-unix2-20200925/source/common/dmtbdump3.c
===================================================================
--- acpica-unix2-20200925.orig/source/common/dmtbdump3.c
+++ acpica-unix2-20200925/source/common/dmtbdump3.c
@@ -342,11 +342,13 @@ AcpiDmDumpTcpa (
ACPI_TABLE_TCPA_HDR *Subtable = ACPI_ADD_PTR (
ACPI_TABLE_TCPA_HDR, Table, Offset);
ACPI_STATUS Status;
+ UINT32 TableLength = AcpiUtReadUint32(&Table->Length);
+ UINT16 PlatformClass;
/* Main table */
- Status = AcpiDmDumpTable (Table->Length, 0, Table,
+ Status = AcpiDmDumpTable (TableLength, 0, Table,
0, AcpiDmTableInfoTcpaHdr);
if (ACPI_FAILURE (Status))
{
@@ -357,18 +359,19 @@ AcpiDmDumpTcpa (
* Examine the PlatformClass field to determine the table type.
* Either a client or server table. Only one.
*/
- switch (CommonHeader->PlatformClass)
+ PlatformClass = AcpiUtReadUint16(&CommonHeader->PlatformClass);
+ switch (PlatformClass)
{
case ACPI_TCPA_CLIENT_TABLE:
- Status = AcpiDmDumpTable (Table->Length, Offset, Subtable,
+ Status = AcpiDmDumpTable (TableLength, Offset, Subtable,
Table->Length - Offset, AcpiDmTableInfoTcpaClient);
break;
case ACPI_TCPA_SERVER_TABLE:
- Status = AcpiDmDumpTable (Table->Length, Offset, Subtable,
- Table->Length - Offset, AcpiDmTableInfoTcpaServer);
+ Status = AcpiDmDumpTable (TableLength, Offset, Subtable,
+ TableLength - Offset, AcpiDmTableInfoTcpaServer);
break;
default:
Index: acpica-unix2-20200925/source/compiler/dttable2.c
===================================================================
--- acpica-unix2-20200925.orig/source/compiler/dttable2.c
+++ acpica-unix2-20200925/source/compiler/dttable2.c
@@ -1773,6 +1773,7 @@ DtCompileTcpa (
ACPI_TABLE_TCPA_HDR *TcpaHeader;
DT_SUBTABLE *ParentTable;
ACPI_STATUS Status;
+ UINT16 PlatformClass;
/* Compile the main table */
@@ -1793,7 +1794,8 @@ DtCompileTcpa (
*/
TcpaHeader = ACPI_CAST_PTR (ACPI_TABLE_TCPA_HDR, ParentTable->Buffer);
- switch (TcpaHeader->PlatformClass)
+ PlatformClass = AcpiUtReadUint16(&TcpaHeader->PlatformClass);
+ switch (PlatformClass)
{
case ACPI_TCPA_CLIENT_TABLE: