From b69b833f5a9205080b27d83379a31fad7fca1575 Mon Sep 17 00:00:00 2001
From: Al Stone <ahs3@redhat.com>
Date: Sun, 27 Sep 2020 12:09:28 -0600
Subject: [PATCH 33/45] 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-unix2-20220331/source/common/dmtbdump3.c
===================================================================
--- acpica-unix2-20220331.orig/source/common/dmtbdump3.c
+++ acpica-unix2-20220331/source/common/dmtbdump3.c
@@ -406,11 +406,13 @@ 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))
     {
@@ -421,18 +423,19 @@ 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-unix2-20220331/source/compiler/dttable2.c
===================================================================
--- acpica-unix2-20220331.orig/source/compiler/dttable2.c
+++ acpica-unix2-20220331/source/compiler/dttable2.c
@@ -2540,6 +2540,7 @@ DtCompileTcpa (
     ACPI_TABLE_TCPA_HDR     *TcpaHeader;
     DT_SUBTABLE             *ParentTable;
     ACPI_STATUS             Status;
+    UINT16                  PlatformClass;
 
 
     /* Compile the main table */
@@ -2560,7 +2561,8 @@ 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: