0019-Support-HEST-in-a-big-endian-world.patch

   1 From 6b73a4881e436bb8cf86c05c1cc4b5360efe1c7f Mon Sep 17 00:00:00 2001
   2 From: Al Stone <ahs3@redhat.com>
   3 Date: Wed, 23 Sep 2020 11:54:49 -0600
   4 Subject: [PATCH 19/45] Support HEST in a big-endian world
   5
   6 Signed-off-by: Al Stone <ahs3@redhat.com>
   7 ---
   8  source/common/dmtbdump1.c  | 10 ++++++----
   9  source/compiler/dttable1.c |  4 +++-
  10  2 files changed, 9 insertions(+), 5 deletions(-)
  11
  12 Index: acpica-unix2-20220331/source/common/dmtbdump1.c
  13 ===================================================================
  14 --- acpica-unix2-20220331.orig/source/common/dmtbdump1.c
  15 +++ acpica-unix2-20220331/source/common/dmtbdump1.c
  16 @@ -1517,12 +1517,13 @@ AcpiDmDumpHest (
  17  {
  18      ACPI_STATUS             Status;
  19      ACPI_HEST_HEADER        *Subtable;
  20 -    UINT32                  Length = Table->Length;
  21 +    UINT32                  Length = AcpiUtReadUint32 (&Table->Length);
  22      UINT32                  Offset = sizeof (ACPI_TABLE_HEST);
  23      ACPI_DMTABLE_INFO       *InfoTable;
  24      UINT32                  SubtableLength;
  25      UINT32                  BankCount;
  26      ACPI_HEST_IA_ERROR_BANK *BankTable;
  27 +    UINT16                  SubtableType;
  28
  29
  30      /* Main table */
  31 @@ -1536,10 +1537,11 @@ AcpiDmDumpHest (
  32      /* Subtables */
  33
  34      Subtable = ACPI_ADD_PTR (ACPI_HEST_HEADER, Table, Offset);
  35 -    while (Offset < Table->Length)
  36 +    while (Offset < Length)
  37      {
  38          BankCount = 0;
  39 -        switch (Subtable->Type)
  40 +        SubtableType = Subtable->Type;
  41 +        switch (SubtableType)
  42          {
  43          case ACPI_HEST_TYPE_IA32_CHECK:
  44
  45 @@ -1606,7 +1608,7 @@ AcpiDmDumpHest (
  46              /* Cannot continue on unknown type - no length */
  47
  48              AcpiOsPrintf ("\n**** Unknown HEST subtable type 0x%X\n",
  49 -                Subtable->Type);
  50 +                SubtableType);
  51              return;
  52          }
  53
  54 Index: acpica-unix2-20220331/source/compiler/dttable1.c
  55 ===================================================================
  56 --- acpica-unix2-20220331.orig/source/compiler/dttable1.c
  57 +++ acpica-unix2-20220331/source/compiler/dttable1.c
  58 @@ -1575,6 +1575,7 @@ DtCompileHest (
  59      DT_FIELD                *SubtableStart;
  60      ACPI_DMTABLE_INFO       *InfoTable;
  61      UINT16                  Type;
  62 +    UINT16                  Tmp16;
  63      UINT32                  BankCount;
  64
  65
  66 @@ -1593,7 +1594,8 @@ DtCompileHest (
  67          /* Get subtable type */
  68
  69          SubtableStart = *PFieldList;
  70 -        DtCompileInteger ((UINT8 *) &Type, *PFieldList, 2, 0);
  71 +        DtCompileInteger ((UINT8 *) &Tmp16, *PFieldList, 2, 0);
  72 +        Type = AcpiUtReadUint32 (&Tmp16);
  73
  74          switch (Type)
  75          {