From 0fecc447cd64bf9da3345b2912e41e6005eb1011 Mon Sep 17 00:00:00 2001

From: Al Stone <ahs3@redhat.com>

Date: Mon, 28 Sep 2020 13:01:18 -0600

Subject: [PATCH 33/40] Support MCFG in a big-endian world

Signed-off-by: Al Stone <ahs3@redhat.com>

---

 source/common/dmtbdump2.c | 11 ++++++-----

 1 file changed, 6 insertions(+), 5 deletions(-)

Index: acpica-unix2-20200925/source/common/dmtbdump2.c

===================================================================

--- acpica-unix2-20200925.orig/source/common/dmtbdump2.c

+++ acpica-unix2-20200925/source/common/dmtbdump2.c

@@ -769,11 +769,12 @@ AcpiDmDumpMcfg (

     ACPI_STATUS             Status;

     UINT32                  Offset = sizeof (ACPI_TABLE_MCFG);

     ACPI_MCFG_ALLOCATION    *Subtable;

+    UINT32                  TableLength = AcpiUtReadUint32(&Table->Length);

     /* Main table */

-    Status = AcpiDmDumpTable (Table->Length, 0, Table, 0, AcpiDmTableInfoMcfg);

+    Status = AcpiDmDumpTable (TableLength, 0, Table, 0, AcpiDmTableInfoMcfg);

     if (ACPI_FAILURE (Status))

     {

         return;

@@ -782,17 +783,17 @@ AcpiDmDumpMcfg (

     /* Subtables */

     Subtable = ACPI_ADD_PTR (ACPI_MCFG_ALLOCATION, Table, Offset);

-    while (Offset < Table->Length)

+    while (Offset < TableLength)

     {

-        if (Offset + sizeof (ACPI_MCFG_ALLOCATION) > Table->Length)

+        if (Offset + sizeof (ACPI_MCFG_ALLOCATION) > TableLength)

         {

             AcpiOsPrintf ("Warning: there are %u invalid trailing bytes\n",

-                (UINT32) sizeof (ACPI_MCFG_ALLOCATION) - (Offset - Table->Length));

+                (UINT32) sizeof (ACPI_MCFG_ALLOCATION) - (Offset - TableLength));

             return;

         }

         AcpiOsPrintf ("\n");

-        Status = AcpiDmDumpTable (Table->Length, Offset, Subtable,

+        Status = AcpiDmDumpTable (TableLength, Offset, Subtable,

             sizeof (ACPI_MCFG_ALLOCATION), AcpiDmTableInfoMcfg0);

         if (ACPI_FAILURE (Status))

         {