From c5d7294c6deb7fe87eac981234d4c484313d5e40 Mon Sep 17 00:00:00 2001
From: Al Stone <ahs3@redhat.com>
Date: Fri, 25 Sep 2020 17:16:12 -0600
Subject: [PATCH 27/40] Support PPTT in a big-endian world

Signed-off-by: Al Stone <ahs3@redhat.com>
---
 source/common/dmtbdump2.c  | 15 +++++++++------
 source/compiler/dttable2.c |  7 +++++--
 2 files changed, 14 insertions(+), 8 deletions(-)

Index: acpica-unix2-20200925/source/common/dmtbdump2.c
===================================================================
--- acpica-unix2-20200925.orig/source/common/dmtbdump2.c
+++ acpica-unix2-20200925/source/common/dmtbdump2.c
@@ -1649,6 +1649,8 @@ AcpiDmDumpPptt (
     UINT32                  Offset = sizeof (ACPI_TABLE_FPDT);
     ACPI_DMTABLE_INFO       *InfoTable;
     UINT32                  i;
+    UINT32                  TableLength = AcpiUtReadUint32(&Table->Length);
+    UINT32                  NumPrivRes;
 
 
     /* There is no main table (other than the standard ACPI header) */
@@ -1656,7 +1658,7 @@ AcpiDmDumpPptt (
     /* Subtables */
 
     Offset = sizeof (ACPI_TABLE_HEADER);
-    while (Offset < Table->Length)
+    while (Offset < TableLength)
     {
         AcpiOsPrintf ("\n");
 
@@ -1668,7 +1670,7 @@ AcpiDmDumpPptt (
             AcpiOsPrintf ("Invalid subtable length\n");
             return;
         }
-        Status = AcpiDmDumpTable (Table->Length, Offset, Subtable,
+        Status = AcpiDmDumpTable (TableLength, Offset, Subtable,
             Subtable->Length, AcpiDmTableInfoPpttHdr);
         if (ACPI_FAILURE (Status))
         {
@@ -1710,7 +1712,7 @@ AcpiDmDumpPptt (
             AcpiOsPrintf ("Invalid subtable length\n");
             return;
         }
-        Status = AcpiDmDumpTable (Table->Length, Offset, Subtable,
+        Status = AcpiDmDumpTable (TableLength, Offset, Subtable,
             Subtable->Length, InfoTable);
         if (ACPI_FAILURE (Status))
         {
@@ -1726,15 +1728,16 @@ AcpiDmDumpPptt (
 
             /* Dump SMBIOS handles */
 
+	    NumPrivRes = AcpiUtReadUint32(&PpttProcessor->NumberOfPrivResources);
             if ((UINT8)(Subtable->Length - SubtableOffset) <
-                (UINT8)(PpttProcessor->NumberOfPrivResources * 4))
+                (UINT8)(NumPrivRes * 4))
             {
                 AcpiOsPrintf ("Invalid private resource number\n");
                 return;
             }
-            for (i = 0; i < PpttProcessor->NumberOfPrivResources; i++)
+            for (i = 0; i < NumPrivRes; i++)
             {
-                Status = AcpiDmDumpTable (Table->Length, Offset + SubtableOffset,
+                Status = AcpiDmDumpTable (TableLength, Offset + SubtableOffset,
                     ACPI_ADD_PTR (ACPI_SUBTABLE_HEADER, Subtable, SubtableOffset),
                     4, AcpiDmTableInfoPptt0a);
                 if (ACPI_FAILURE (Status))
Index: acpica-unix2-20200925/source/compiler/dttable2.c
===================================================================
--- acpica-unix2-20200925.orig/source/compiler/dttable2.c
+++ acpica-unix2-20200925/source/compiler/dttable2.c
@@ -1028,6 +1028,7 @@ DtCompilePptt (
     ACPI_DMTABLE_INFO       *InfoTable;
     DT_FIELD                **PFieldList = (DT_FIELD **) List;
     DT_FIELD                *SubtableStart;
+    UINT32                  NumPrivRes;
 
 
     ParentTable = DtPeekSubtable ();
@@ -1092,7 +1093,7 @@ DtCompilePptt (
             {
                 /* Compile initiator proximity domain list */
 
-                PpttProcessor->NumberOfPrivResources = 0;
+                NumPrivRes = 0;
                 while (*PFieldList)
                 {
                     Status = DtCompileTable (PFieldList,
@@ -1108,8 +1109,10 @@ DtCompilePptt (
 
                     DtInsertSubtable (ParentTable, Subtable);
                     PpttHeader->Length += (UINT8)(Subtable->Length);
-                    PpttProcessor->NumberOfPrivResources++;
+                    NumPrivRes++;
                 }
+                PpttProcessor->NumberOfPrivResources =
+			AcpiUtReadUint32(&NumPrivRes);
             }
             break;