acpica-tools/0023-Support-NFIT-in-a-big-endian-world.patch
Al Stone edb6c78416 Update to upstream 20200925 version
This update also means a major update for all of the big-endian patching
that has been done.  The older mechanism was getting to unwieldy to keep
maintained, and too sensitive to upstream changes.  Hence, redid all of
the old patches, and took the opportunity to make them more amenable to
change over time.  Ultimately, the goal is to have upstream accept these
in some form.

Signed-off-by: Al Stone <ahs3@redhat.com>
2020-10-19 12:24:09 -06:00

222 lines
7.6 KiB
Diff

From 2a1f049c35736ddba45300bc5aba4db9c9df3be7 Mon Sep 17 00:00:00 2001
From: Al Stone <ahs3@redhat.com>
Date: Thu, 24 Sep 2020 15:25:53 -0600
Subject: [PATCH 23/40] Support NFIT in a big-endian world
Signed-off-by: Al Stone <ahs3@redhat.com>
---
source/common/dmtable.c | 4 ++--
source/common/dmtbdump2.c | 47 +++++++++++++++++++++++---------------
source/compiler/dttable2.c | 11 ++++++---
3 files changed, 38 insertions(+), 24 deletions(-)
Index: acpica-unix2-20200925/source/common/dmtable.c
===================================================================
--- acpica-unix2-20200925.orig/source/common/dmtable.c
+++ acpica-unix2-20200925/source/common/dmtable.c
@@ -1429,13 +1429,13 @@ AcpiDmDumpTable (
/* NFIT subtable types */
- Temp16 = ACPI_GET16 (Target);
+ Temp16 = AcpiUtReadUint16(Target);
if (Temp16 > ACPI_NFIT_TYPE_RESERVED)
{
Temp16 = ACPI_NFIT_TYPE_RESERVED;
}
- AcpiOsPrintf (UINT16_FORMAT, ACPI_GET16 (Target),
+ AcpiOsPrintf (UINT16_FORMAT, Temp16,
AcpiDmNfitSubnames[Temp16]);
break;
Index: acpica-unix2-20200925/source/common/dmtbdump2.c
===================================================================
--- acpica-unix2-20200925.orig/source/common/dmtbdump2.c
+++ acpica-unix2-20200925/source/common/dmtbdump2.c
@@ -1084,18 +1084,23 @@ AcpiDmDumpNfit (
ACPI_STATUS Status;
UINT32 Offset = sizeof (ACPI_TABLE_NFIT);
UINT32 FieldOffset = 0;
- UINT32 Length;
+ UINT32 TableLength = AcpiUtReadUint32(&Table->Length);
ACPI_NFIT_HEADER *Subtable;
ACPI_DMTABLE_INFO *InfoTable;
ACPI_NFIT_INTERLEAVE *Interleave = NULL;
ACPI_NFIT_SMBIOS *SmbiosInfo = NULL;
ACPI_NFIT_FLUSH_ADDRESS *Hint = NULL;
UINT32 i;
+ UINT32 Length;
+ UINT32 LineCount;
+ UINT16 SubtableLength;
+ UINT16 SubtableType;
+ UINT16 HintCount;
/* Main table */
- Status = AcpiDmDumpTable (Table->Length, 0, Table, 0, AcpiDmTableInfoNfit);
+ Status = AcpiDmDumpTable (TableLength, 0, Table, 0, AcpiDmTableInfoNfit);
if (ACPI_FAILURE (Status))
{
return;
@@ -1104,19 +1109,21 @@ AcpiDmDumpNfit (
/* Subtables */
Subtable = ACPI_ADD_PTR (ACPI_NFIT_HEADER, Table, Offset);
- while (Offset < Table->Length)
+ while (Offset < TableLength)
{
/* NFIT subtable header */
AcpiOsPrintf ("\n");
- Status = AcpiDmDumpTable (Table->Length, Offset, Subtable,
- Subtable->Length, AcpiDmTableInfoNfitHdr);
+ SubtableType = AcpiUtReadUint16(&Subtable->Type);
+ SubtableLength = AcpiUtReadUint16(&Subtable->Length);
+ Status = AcpiDmDumpTable (TableLength, Offset, Subtable,
+ SubtableLength, AcpiDmTableInfoNfitHdr);
if (ACPI_FAILURE (Status))
{
return;
}
- switch (Subtable->Type)
+ switch (SubtableType)
{
case ACPI_NFIT_TYPE_SYSTEM_ADDRESS:
@@ -1167,11 +1174,11 @@ AcpiDmDumpNfit (
default:
AcpiOsPrintf ("\n**** Unknown NFIT subtable type 0x%X\n",
- Subtable->Type);
+ SubtableType);
/* Attempt to continue */
- if (!Subtable->Length)
+ if (!SubtableLength)
{
AcpiOsPrintf ("Invalid zero length subtable\n");
return;
@@ -1180,8 +1187,8 @@ AcpiDmDumpNfit (
}
AcpiOsPrintf ("\n");
- Status = AcpiDmDumpTable (Table->Length, Offset, Subtable,
- Subtable->Length, InfoTable);
+ Status = AcpiDmDumpTable (TableLength, Offset, Subtable,
+ SubtableLength, InfoTable);
if (ACPI_FAILURE (Status))
{
return;
@@ -1189,14 +1196,15 @@ AcpiDmDumpNfit (
/* Per-subtable variable-length fields */
- switch (Subtable->Type)
+ switch (SubtableType)
{
case ACPI_NFIT_TYPE_INTERLEAVE:
Interleave = ACPI_CAST_PTR (ACPI_NFIT_INTERLEAVE, Subtable);
- for (i = 0; i < Interleave->LineCount; i++)
+ LineCount = AcpiUtReadUint32(&Interleave->LineCount);
+ for (i = 0; i < LineCount; i++)
{
- Status = AcpiDmDumpTable (Table->Length, Offset + FieldOffset,
+ Status = AcpiDmDumpTable (TableLength, Offset + FieldOffset,
&Interleave->LineOffset[i],
sizeof (UINT32), AcpiDmTableInfoNfit2a);
if (ACPI_FAILURE (Status))
@@ -1210,12 +1218,12 @@ AcpiDmDumpNfit (
case ACPI_NFIT_TYPE_SMBIOS:
- Length = Subtable->Length -
+ Length = SubtableLength -
sizeof (ACPI_NFIT_SMBIOS) + sizeof (UINT8);
if (Length)
{
- Status = AcpiDmDumpTable (Table->Length,
+ Status = AcpiDmDumpTable (TableLength,
sizeof (ACPI_NFIT_SMBIOS) - sizeof (UINT8),
SmbiosInfo,
Length, AcpiDmTableInfoNfit3a);
@@ -1230,9 +1238,10 @@ AcpiDmDumpNfit (
case ACPI_NFIT_TYPE_FLUSH_ADDRESS:
Hint = ACPI_CAST_PTR (ACPI_NFIT_FLUSH_ADDRESS, Subtable);
- for (i = 0; i < Hint->HintCount; i++)
+ HintCount = AcpiUtReadUint16(&Hint->HintCount);
+ for (i = 0; i < HintCount; i++)
{
- Status = AcpiDmDumpTable (Table->Length, Offset + FieldOffset,
+ Status = AcpiDmDumpTable (TableLength, Offset + FieldOffset,
&Hint->HintAddress[i],
sizeof (UINT64), AcpiDmTableInfoNfit6a);
if (ACPI_FAILURE (Status))
@@ -1251,8 +1260,8 @@ AcpiDmDumpNfit (
NextSubtable:
/* Point to next subtable */
- Offset += Subtable->Length;
- Subtable = ACPI_ADD_PTR (ACPI_NFIT_HEADER, Subtable, Subtable->Length);
+ Offset += SubtableLength;
+ Subtable = ACPI_ADD_PTR (ACPI_NFIT_HEADER, Subtable, SubtableLength);
}
}
Index: acpica-unix2-20200925/source/compiler/dttable2.c
===================================================================
--- acpica-unix2-20200925.orig/source/compiler/dttable2.c
+++ acpica-unix2-20200925/source/compiler/dttable2.c
@@ -517,6 +517,7 @@ DtCompileNfit (
UINT32 Count;
ACPI_NFIT_INTERLEAVE *Interleave = NULL;
ACPI_NFIT_FLUSH_ADDRESS *Hint = NULL;
+ UINT16 NfitHeaderType;
/* Main table */
@@ -550,7 +551,8 @@ DtCompileNfit (
NfitHeader = ACPI_CAST_PTR (ACPI_NFIT_HEADER, Subtable->Buffer);
- switch (NfitHeader->Type)
+ NfitHeaderType = AcpiUtReadUint16(&NfitHeader->Type);
+ switch (NfitHeaderType)
{
case ACPI_NFIT_TYPE_SYSTEM_ADDRESS:
@@ -610,7 +612,7 @@ DtCompileNfit (
DtInsertSubtable (ParentTable, Subtable);
DtPopSubtable ();
- switch (NfitHeader->Type)
+ switch (NfitHeaderType)
{
case ACPI_NFIT_TYPE_INTERLEAVE:
@@ -636,7 +638,8 @@ DtCompileNfit (
Count++;
}
- Interleave->LineCount = Count;
+ AcpiUtWriteUint(&Interleave->LineCount, sizeof(UINT32),
+ &Count, sizeof(UINT32));
break;
case ACPI_NFIT_TYPE_SMBIOS:
@@ -682,6 +685,8 @@ DtCompileNfit (
}
Hint->HintCount = (UINT16) Count;
+ AcpiUtWriteUint(&Hint->HintCount, sizeof(UINT16),
+ &Count, sizeof(UINT32));
break;
default: