172 lines
6.0 KiB
Diff
172 lines
6.0 KiB
Diff
From 06623392351dfea54bd69507b6672c933a5e3fd2 Mon Sep 17 00:00:00 2001
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From: Al Stone <ahs3@redhat.com>
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Date: Sat, 19 Sep 2020 15:22:00 -0600
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Subject: [PATCH 12/45] Support DMAR in a big-endian world
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Signed-off-by: Al Stone <ahs3@redhat.com>
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---
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source/common/dmtable.c | 4 ++--
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source/common/dmtbdump1.c | 26 +++++++++++++++-----------
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source/compiler/dttable1.c | 12 +++++++-----
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3 files changed, 24 insertions(+), 18 deletions(-)
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Index: acpica-unix2-20210604/source/common/dmtable.c
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===================================================================
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--- acpica-unix2-20210604.orig/source/common/dmtable.c
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+++ acpica-unix2-20210604/source/common/dmtable.c
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@@ -1341,13 +1341,13 @@ AcpiDmDumpTable (
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/* DMAR subtable types */
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- Temp16 = ACPI_GET16 (Target);
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+ Temp16 = AcpiUtReadUint16 (Target);
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if (Temp16 > ACPI_DMAR_TYPE_RESERVED)
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{
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Temp16 = ACPI_DMAR_TYPE_RESERVED;
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}
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- AcpiOsPrintf (UINT16_FORMAT, ACPI_GET16 (Target),
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+ AcpiOsPrintf (UINT16_FORMAT, Temp16,
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AcpiDmDmarSubnames[Temp16]);
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break;
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Index: acpica-unix2-20210604/source/common/dmtbdump1.c
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===================================================================
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--- acpica-unix2-20210604.orig/source/common/dmtbdump1.c
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+++ acpica-unix2-20210604/source/common/dmtbdump1.c
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@@ -604,13 +604,15 @@ AcpiDmDumpDmar (
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{
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ACPI_STATUS Status;
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ACPI_DMAR_HEADER *Subtable;
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- UINT32 Length = Table->Length;
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+ UINT32 Length = AcpiUtReadUint32 (&Table->Length);
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UINT32 Offset = sizeof (ACPI_TABLE_DMAR);
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ACPI_DMTABLE_INFO *InfoTable;
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ACPI_DMAR_DEVICE_SCOPE *ScopeTable;
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UINT32 ScopeOffset;
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UINT8 *PciPath;
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UINT32 PathOffset;
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+ UINT16 SubtableType;
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+ UINT16 SubtableLength;
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/* Main table */
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@@ -624,13 +626,14 @@ AcpiDmDumpDmar (
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/* Subtables */
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Subtable = ACPI_ADD_PTR (ACPI_DMAR_HEADER, Table, Offset);
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- while (Offset < Table->Length)
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+ while (Offset < Length)
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{
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/* Common subtable header */
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AcpiOsPrintf ("\n");
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+ SubtableLength = AcpiUtReadUint16 (&Subtable->Length);
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Status = AcpiDmDumpTable (Length, Offset, Subtable,
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- Subtable->Length, AcpiDmTableInfoDmarHdr);
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+ SubtableLength, AcpiDmTableInfoDmarHdr);
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if (ACPI_FAILURE (Status))
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{
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return;
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@@ -638,7 +641,8 @@ AcpiDmDumpDmar (
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AcpiOsPrintf ("\n");
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- switch (Subtable->Type)
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+ SubtableType = AcpiUtReadUint16 (&Subtable->Type);
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+ switch (SubtableType)
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{
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case ACPI_DMAR_TYPE_HARDWARE_UNIT:
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@@ -673,12 +677,12 @@ AcpiDmDumpDmar (
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default:
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AcpiOsPrintf ("\n**** Unknown DMAR subtable type 0x%X\n\n",
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- Subtable->Type);
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+ SubtableType);
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return;
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}
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Status = AcpiDmDumpTable (Length, Offset, Subtable,
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- Subtable->Length, InfoTable);
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+ SubtableLength, InfoTable);
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if (ACPI_FAILURE (Status))
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{
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return;
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@@ -687,8 +691,8 @@ AcpiDmDumpDmar (
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/*
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* Dump the optional device scope entries
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*/
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- if ((Subtable->Type == ACPI_DMAR_TYPE_HARDWARE_AFFINITY) ||
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- (Subtable->Type == ACPI_DMAR_TYPE_NAMESPACE))
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+ if ((SubtableType == ACPI_DMAR_TYPE_HARDWARE_AFFINITY) ||
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+ (SubtableType == ACPI_DMAR_TYPE_NAMESPACE))
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{
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/* These types do not support device scopes */
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@@ -696,7 +700,7 @@ AcpiDmDumpDmar (
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}
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ScopeTable = ACPI_ADD_PTR (ACPI_DMAR_DEVICE_SCOPE, Subtable, ScopeOffset);
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- while (ScopeOffset < Subtable->Length)
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+ while (ScopeOffset < SubtableLength)
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{
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AcpiOsPrintf ("\n");
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Status = AcpiDmDumpTable (Length, Offset + ScopeOffset, ScopeTable,
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@@ -737,9 +741,9 @@ AcpiDmDumpDmar (
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NextSubtable:
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/* Point to next subtable */
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- Offset += Subtable->Length;
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+ Offset += SubtableLength;
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Subtable = ACPI_ADD_PTR (ACPI_DMAR_HEADER, Subtable,
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- Subtable->Length);
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+ SubtableLength);
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}
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}
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Index: acpica-unix2-20210604/source/compiler/dttable1.c
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===================================================================
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--- acpica-unix2-20210604.orig/source/compiler/dttable1.c
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+++ acpica-unix2-20210604/source/compiler/dttable1.c
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@@ -634,6 +634,7 @@ DtCompileDmar (
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ACPI_DMAR_DEVICE_SCOPE *DmarDeviceScope;
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UINT32 DeviceScopeLength;
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UINT32 PciPathLength;
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+ UINT16 DmarHeaderType;
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Status = DtCompileTable (PFieldList, AcpiDmTableInfoDmar, &Subtable);
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@@ -664,7 +665,8 @@ DtCompileDmar (
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DmarHeader = ACPI_CAST_PTR (ACPI_DMAR_HEADER, Subtable->Buffer);
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- switch (DmarHeader->Type)
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+ DmarHeaderType = AcpiUtReadUint16 (&DmarHeader->Type);
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+ switch (DmarHeaderType)
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{
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case ACPI_DMAR_TYPE_HARDWARE_UNIT:
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@@ -711,8 +713,8 @@ DtCompileDmar (
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/*
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* Optional Device Scope subtables
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*/
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- if ((DmarHeader->Type == ACPI_DMAR_TYPE_HARDWARE_AFFINITY) ||
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- (DmarHeader->Type == ACPI_DMAR_TYPE_NAMESPACE))
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+ if ((DmarHeaderType == ACPI_DMAR_TYPE_HARDWARE_AFFINITY) ||
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+ (DmarHeaderType == ACPI_DMAR_TYPE_NAMESPACE))
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{
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/* These types do not support device scopes */
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@@ -721,8 +723,8 @@ DtCompileDmar (
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}
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DtPushSubtable (Subtable);
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- DeviceScopeLength = DmarHeader->Length - Subtable->Length -
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- ParentTable->Length;
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+ DeviceScopeLength = AcpiUtReadUint16 (&DmarHeader->Length) -
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+ Subtable->Length - ParentTable->Length;
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while (DeviceScopeLength)
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{
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Status = DtCompileTable (PFieldList, AcpiDmTableInfoDmarScope,
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