0038-Support-PMTT-in-a-big-endian-world.patch

   1 From bd19995fa268ed3e93c071162d0e9c2d35ada0d4 Mon Sep 17 00:00:00 2001
   2 From: Al Stone <ahs3@redhat.com>
   3 Date: Tue, 29 Jun 2021 16:23:30 -0600
   4 Subject: [PATCH 38/45] Support PMTT in a big-endian world
   5
   6 Signed-off-by: Al Stone <ahs3@redhat.com>
   7 ---
   8  source/common/dmtbdump2.c | 18 ++++++++++--------
   9  1 file changed, 10 insertions(+), 8 deletions(-)
  10
  11 Index: acpica-unix2-20220331/source/common/dmtbdump2.c
  12 ===================================================================
  13 --- acpica-unix2-20220331.orig/source/common/dmtbdump2.c
  14 +++ acpica-unix2-20220331/source/common/dmtbdump2.c
  15 @@ -2142,8 +2142,9 @@ AcpiDmDumpPmtt (
  16  {
  17      ACPI_STATUS             Status;
  18      ACPI_PMTT_HEADER        *Subtable;
  19 -    UINT32                  Length = Table->Length;
  20 +    UINT32                  Length = AcpiUtReadUint32 (&Table->Length);
  21      UINT32                  Offset = sizeof (ACPI_TABLE_PMTT);
  22 +    UINT16                  SubtableLength;
  23
  24
  25      /* Main table */
  26 @@ -2157,17 +2158,18 @@ AcpiDmDumpPmtt (
  27      /* Subtables */
  28
  29      Subtable = ACPI_ADD_PTR (ACPI_PMTT_HEADER, Table, Offset);
  30 -    while (Offset < Table->Length)
  31 +    while (Offset < Length)
  32      {
  33          /* Each of the types below contain the common subtable header */
  34
  35          AcpiOsPrintf ("\n");
  36 +       SubtableLength = AcpiUtReadUint16 (&Subtable->Length);
  37          switch (Subtable->Type)
  38          {
  39          case ACPI_PMTT_TYPE_SOCKET:
  40
  41              Status = AcpiDmDumpTable (Length, Offset, Subtable,
  42 -                Subtable->Length, AcpiDmTableInfoPmtt0);
  43 +                SubtableLength, AcpiDmTableInfoPmtt0);
  44              if (ACPI_FAILURE (Status))
  45              {
  46                  return;
  47 @@ -2176,7 +2178,7 @@ AcpiDmDumpPmtt (
  48
  49          case ACPI_PMTT_TYPE_CONTROLLER:
  50              Status = AcpiDmDumpTable (Length, Offset, Subtable,
  51 -                Subtable->Length, AcpiDmTableInfoPmtt1);
  52 +                SubtableLength, AcpiDmTableInfoPmtt1);
  53              if (ACPI_FAILURE (Status))
  54              {
  55                  return;
  56 @@ -2185,7 +2187,7 @@ AcpiDmDumpPmtt (
  57
  58         case ACPI_PMTT_TYPE_DIMM:
  59              Status = AcpiDmDumpTable (Length, Offset, Subtable,
  60 -                Subtable->Length, AcpiDmTableInfoPmtt2);
  61 +                SubtableLength, AcpiDmTableInfoPmtt2);
  62              if (ACPI_FAILURE (Status))
  63              {
  64                  return;
  65 @@ -2194,7 +2196,7 @@ AcpiDmDumpPmtt (
  66
  67          case ACPI_PMTT_TYPE_VENDOR:
  68              Status = AcpiDmDumpTable (Length, Offset, Subtable,
  69 -                Subtable->Length, AcpiDmTableInfoPmttVendor);
  70 +                SubtableLength, AcpiDmTableInfoPmttVendor);
  71              if (ACPI_FAILURE (Status))
  72              {
  73                  return;
  74 @@ -2210,9 +2212,9 @@ AcpiDmDumpPmtt (
  75
  76          /* Point to next subtable */
  77
  78 -        Offset += Subtable->Length;
  79 +        Offset += SubtableLength;
  80          Subtable = ACPI_ADD_PTR (ACPI_PMTT_HEADER,
  81 -            Subtable, Subtable->Length);
  82 +            Subtable, SubtableLength);
  83      }
  84  }
  85