0030-Support-PPTT-in-a-big-endian-world.patch

   1 From 8923211d8bc1b0e4d3af6ff31ed6479057f612f6 Mon Sep 17 00:00:00 2001
   2 From: Al Stone <ahs3@redhat.com>
   3 Date: Fri, 25 Sep 2020 17:16:12 -0600
   4 Subject: [PATCH 30/45] Support PPTT in a big-endian world
   5
   6 Signed-off-by: Al Stone <ahs3@redhat.com>
   7 ---
   8  source/common/dmtbdump2.c  | 17 ++++++++++-------
   9  source/compiler/dttable2.c |  7 +++++--
  10  2 files changed, 15 insertions(+), 9 deletions(-)
  11
  12 Index: acpica-unix2-20220331/source/common/dmtbdump2.c
  13 ===================================================================
  14 --- acpica-unix2-20220331.orig/source/common/dmtbdump2.c
  15 +++ acpica-unix2-20220331/source/common/dmtbdump2.c
  16 @@ -2241,6 +2241,8 @@ AcpiDmDumpPptt (
  17      UINT32                  Offset = sizeof (ACPI_TABLE_FPDT);
  18      ACPI_DMTABLE_INFO       *InfoTable;
  19      UINT32                  i;
  20 +    UINT32                  TableLength = AcpiUtReadUint32 (&Table->Length);
  21 +    UINT32                  NumPrivRes;
  22
  23
  24      /* There is no main table (other than the standard ACPI header) */
  25 @@ -2248,7 +2250,7 @@ AcpiDmDumpPptt (
  26      /* Subtables */
  27
  28      Offset = sizeof (ACPI_TABLE_HEADER);
  29 -    while (Offset < Table->Length)
  30 +    while (Offset < TableLength)
  31      {
  32          AcpiOsPrintf ("\n");
  33
  34 @@ -2260,7 +2262,7 @@ AcpiDmDumpPptt (
  35              AcpiOsPrintf ("Invalid subtable length\n");
  36              return;
  37          }
  38 -        Status = AcpiDmDumpTable (Table->Length, Offset, Subtable,
  39 +        Status = AcpiDmDumpTable (TableLength, Offset, Subtable,
  40              Subtable->Length, AcpiDmTableInfoPpttHdr);
  41          if (ACPI_FAILURE (Status))
  42          {
  43 @@ -2302,7 +2304,7 @@ AcpiDmDumpPptt (
  44              AcpiOsPrintf ("Invalid subtable length\n");
  45              return;
  46          }
  47 -        Status = AcpiDmDumpTable (Table->Length, Offset, Subtable,
  48 +        Status = AcpiDmDumpTable (TableLength, Offset, Subtable,
  49              Subtable->Length, InfoTable);
  50          if (ACPI_FAILURE (Status))
  51          {
  52 @@ -2318,15 +2320,16 @@ AcpiDmDumpPptt (
  53
  54              /* Dump SMBIOS handles */
  55
  56 -            if ((UINT8)(Subtable->Length - SubtableOffset) <
  57 -                (UINT8)(PpttProcessor->NumberOfPrivResources * 4))
  58 +            NumPrivRes = AcpiUtReadUint32 (&PpttProcessor->NumberOfPrivResources);
  59 +            if ((UINT8) (Subtable->Length - SubtableOffset) <
  60 +                (UINT8) (NumPrivRes * 4))
  61              {
  62                  AcpiOsPrintf ("Invalid private resource number\n");
  63                  return;
  64              }
  65 -            for (i = 0; i < PpttProcessor->NumberOfPrivResources; i++)
  66 +            for (i = 0; i < NumPrivRes; i++)
  67              {
  68 -                Status = AcpiDmDumpTable (Table->Length, Offset + SubtableOffset,
  69 +                Status = AcpiDmDumpTable (TableLength, Offset + SubtableOffset,
  70                      ACPI_ADD_PTR (ACPI_SUBTABLE_HEADER, Subtable, SubtableOffset),
  71                      4, AcpiDmTableInfoPptt0a);
  72                  if (ACPI_FAILURE (Status))
  73 Index: acpica-unix2-20220331/source/compiler/dttable2.c
  74 ===================================================================
  75 --- acpica-unix2-20220331.orig/source/compiler/dttable2.c
  76 +++ acpica-unix2-20220331/source/compiler/dttable2.c
  77 @@ -1520,6 +1520,7 @@ DtCompilePptt (
  78      DT_FIELD                **PFieldList = (DT_FIELD **) List;
  79      DT_FIELD                *SubtableStart;
  80      ACPI_TABLE_HEADER       *PpttAcpiHeader;
  81 +    UINT32                  NumPrivRes;
  82
  83
  84      ParentTable = DtPeekSubtable ();
  85 @@ -1584,7 +1585,7 @@ DtCompilePptt (
  86              {
  87                  /* Compile initiator proximity domain list */
  88
  89 -                PpttProcessor->NumberOfPrivResources = 0;
  90 +                NumPrivRes = 0;
  91                  while (*PFieldList)
  92                  {
  93                      Status = DtCompileTable (PFieldList,
  94 @@ -1600,8 +1601,10 @@ DtCompilePptt (
  95
  96                      DtInsertSubtable (ParentTable, Subtable);
  97                      PpttHeader->Length += (UINT8)(Subtable->Length);
  98 -                    PpttProcessor->NumberOfPrivResources++;
  99 +                    NumPrivRes++;
 100                  }
 101 +                PpttProcessor->NumberOfPrivResources =
 102 +                        AcpiUtReadUint32 (&NumPrivRes);
 103              }
 104              break;
 105