0017-Support-most-FPDTs-in-a-big-endian-world.patch

   1 From 35f533074fb78d52e87c5a14406a136480a6fe62 Mon Sep 17 00:00:00 2001
   2 From: Al Stone <ahs3@redhat.com>
   3 Date: Tue, 22 Sep 2020 17:51:45 -0600
   4 Subject: [PATCH 17/45] Support most FPDTs in a big-endian world
   5
   6 NB: there is no support for vendor specific records even in
   7 the little-endian version.
   8
   9 Signed-off-by: Al Stone <ahs3@redhat.com>
  10 ---
  11  source/common/dmtbdump1.c  | 12 +++++++-----
  12  source/compiler/dttable1.c |  4 +++-
  13  2 files changed, 10 insertions(+), 6 deletions(-)
  14
  15 Index: acpica-unix2-20220331/source/common/dmtbdump1.c
  16 ===================================================================
  17 --- acpica-unix2-20220331.orig/source/common/dmtbdump1.c
  18 +++ acpica-unix2-20220331/source/common/dmtbdump1.c
  19 @@ -1289,9 +1289,10 @@ AcpiDmDumpFpdt (
  20  {
  21      ACPI_STATUS             Status;
  22      ACPI_FPDT_HEADER        *Subtable;
  23 -    UINT32                  Length = Table->Length;
  24 +    UINT32                  TableLength = AcpiUtReadUint32 (&Table->Length);
  25      UINT32                  Offset = sizeof (ACPI_TABLE_FPDT);
  26      ACPI_DMTABLE_INFO       *InfoTable;
  27 +    UINT16                  SubtableType;
  28
  29
  30      /* There is no main table (other than the standard ACPI header) */
  31 @@ -1299,19 +1300,20 @@ AcpiDmDumpFpdt (
  32      /* Subtables */
  33
  34      Subtable = ACPI_ADD_PTR (ACPI_FPDT_HEADER, Table, Offset);
  35 -    while (Offset < Table->Length)
  36 +    while (Offset < TableLength)
  37      {
  38          /* Common subtable header */
  39
  40          AcpiOsPrintf ("\n");
  41 -        Status = AcpiDmDumpTable (Length, Offset, Subtable,
  42 +        Status = AcpiDmDumpTable (TableLength, Offset, Subtable,
  43              Subtable->Length, AcpiDmTableInfoFpdtHdr);
  44          if (ACPI_FAILURE (Status))
  45          {
  46              return;
  47          }
  48
  49 -        switch (Subtable->Type)
  50 +        SubtableType = AcpiUtReadUint16 (&Subtable->Type);
  51 +        switch (SubtableType)
  52          {
  53          case ACPI_FPDT_TYPE_BOOT:
  54
  55 @@ -1338,7 +1340,7 @@ AcpiDmDumpFpdt (
  56              goto NextSubtable;
  57          }
  58
  59 -        Status = AcpiDmDumpTable (Length, Offset, Subtable,
  60 +        Status = AcpiDmDumpTable (TableLength, Offset, Subtable,
  61              Subtable->Length, InfoTable);
  62          if (ACPI_FAILURE (Status))
  63          {
  64 Index: acpica-unix2-20220331/source/compiler/dttable1.c
  65 ===================================================================
  66 --- acpica-unix2-20220331.orig/source/compiler/dttable1.c
  67 +++ acpica-unix2-20220331/source/compiler/dttable1.c
  68 @@ -1493,6 +1493,7 @@ DtCompileFpdt (
  69      ACPI_DMTABLE_INFO       *InfoTable;
  70      DT_FIELD                **PFieldList = (DT_FIELD **) List;
  71      DT_FIELD                *SubtableStart;
  72 +    UINT16                  SubtableType;
  73
  74
  75      while (*PFieldList)
  76 @@ -1511,7 +1512,8 @@ DtCompileFpdt (
  77
  78          FpdtHeader = ACPI_CAST_PTR (ACPI_FPDT_HEADER, Subtable->Buffer);
  79
  80 -        switch (FpdtHeader->Type)
  81 +        SubtableType = AcpiUtReadUint16 (&FpdtHeader->Type);
  82 +        switch (SubtableType)
  83          {
  84          case ACPI_FPDT_TYPE_BOOT:
  85