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acpica-tools/SOURCES/0011-Support-DBG2-table-in-...

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From 2cb0b87a15682da4f19f707fa3ffece504f94b5a Mon Sep 17 00:00:00 2001
From: Al Stone <ahs3@redhat.com>
Date: Sat, 19 Sep 2020 13:37:38 -0600
Subject: [PATCH 11/45] Support DBG2 table in a big-endian world
Signed-off-by: Al Stone <ahs3@redhat.com>
---
source/common/dmtbdump1.c | 37 ++++++++++++++++++--------------
source/compiler/dttable1.c | 43 ++++++++++++++++++++++++--------------
2 files changed, 48 insertions(+), 32 deletions(-)
Index: acpica-unix2-20210604/source/common/dmtbdump1.c
===================================================================
--- acpica-unix2-20210604.orig/source/common/dmtbdump1.c
+++ acpica-unix2-20210604/source/common/dmtbdump1.c
@@ -374,7 +374,7 @@ AcpiDmDumpCsrt (
ACPI_CSRT_GROUP *Subtable;
ACPI_CSRT_SHARED_INFO *SharedInfoTable;
ACPI_CSRT_DESCRIPTOR *SubSubtable;
- UINT32 Length = Table->Length;
+ UINT32 Length = AcpiUtReadUint32 (&Table->Length);
UINT32 Offset = sizeof (ACPI_TABLE_CSRT);
UINT32 SubOffset;
UINT32 SubSubOffset;
@@ -386,7 +386,7 @@ AcpiDmDumpCsrt (
/* Subtables (Resource Groups) */
Subtable = ACPI_ADD_PTR (ACPI_CSRT_GROUP, Table, Offset);
- while (Offset < Table->Length)
+ while (Offset < Length)
{
/* Resource group subtable */
@@ -420,7 +420,7 @@ AcpiDmDumpCsrt (
Offset + SubOffset);
while ((SubOffset < Subtable->Length) &&
- ((Offset + SubOffset) < Table->Length))
+ ((Offset + SubOffset) < Length))
{
AcpiOsPrintf ("\n");
Status = AcpiDmDumpTable (Length, Offset + SubOffset, SubSubtable,
@@ -481,12 +481,13 @@ AcpiDmDumpDbg2 (
{
ACPI_STATUS Status;
ACPI_DBG2_DEVICE *Subtable;
- UINT32 Length = Table->Length;
+ UINT32 Length = AcpiUtReadUint32 (&Table->Length);
UINT32 Offset = sizeof (ACPI_TABLE_DBG2);
UINT32 i;
UINT32 ArrayOffset;
UINT32 AbsoluteOffset;
UINT8 *Array;
+ UINT16 SubtableLength;
/* Main table */
@@ -500,11 +501,12 @@ AcpiDmDumpDbg2 (
/* Subtables */
Subtable = ACPI_ADD_PTR (ACPI_DBG2_DEVICE, Table, Offset);
- while (Offset < Table->Length)
+ while (Offset < Length)
{
AcpiOsPrintf ("\n");
+ SubtableLength = AcpiUtReadUint16 (&Subtable->Length);
Status = AcpiDmDumpTable (Length, Offset, Subtable,
- Subtable->Length, AcpiDmTableInfoDbg2Device);
+ SubtableLength, AcpiDmTableInfoDbg2Device);
if (ACPI_FAILURE (Status))
{
return;
@@ -514,13 +516,13 @@ AcpiDmDumpDbg2 (
for (i = 0; i < Subtable->RegisterCount; i++)
{
- ArrayOffset = Subtable->BaseAddressOffset +
+ ArrayOffset = AcpiUtReadUint16 (&Subtable->BaseAddressOffset) +
(sizeof (ACPI_GENERIC_ADDRESS) * i);
AbsoluteOffset = Offset + ArrayOffset;
Array = (UINT8 *) Subtable + ArrayOffset;
Status = AcpiDmDumpTable (Length, AbsoluteOffset, Array,
- Subtable->Length, AcpiDmTableInfoDbg2Addr);
+ SubtableLength, AcpiDmTableInfoDbg2Addr);
if (ACPI_FAILURE (Status))
{
return;
@@ -531,13 +533,13 @@ AcpiDmDumpDbg2 (
for (i = 0; i < Subtable->RegisterCount; i++)
{
- ArrayOffset = Subtable->AddressSizeOffset +
+ ArrayOffset = AcpiUtReadUint16 (&Subtable->AddressSizeOffset) +
(sizeof (UINT32) * i);
AbsoluteOffset = Offset + ArrayOffset;
Array = (UINT8 *) Subtable + ArrayOffset;
Status = AcpiDmDumpTable (Length, AbsoluteOffset, Array,
- Subtable->Length, AcpiDmTableInfoDbg2Size);
+ SubtableLength, AcpiDmTableInfoDbg2Size);
if (ACPI_FAILURE (Status))
{
return;
@@ -547,12 +549,12 @@ AcpiDmDumpDbg2 (
/* Dump the Namestring (required) */
AcpiOsPrintf ("\n");
- ArrayOffset = Subtable->NamepathOffset;
+ ArrayOffset = AcpiUtReadUint16 (&Subtable->NamepathOffset);
AbsoluteOffset = Offset + ArrayOffset;
Array = (UINT8 *) Subtable + ArrayOffset;
Status = AcpiDmDumpTable (Length, AbsoluteOffset, Array,
- Subtable->Length, AcpiDmTableInfoDbg2Name);
+ SubtableLength, AcpiDmTableInfoDbg2Name);
if (ACPI_FAILURE (Status))
{
return;
@@ -562,8 +564,11 @@ AcpiDmDumpDbg2 (
if (Subtable->OemDataOffset)
{
- Status = AcpiDmDumpTable (Length, Offset + Subtable->OemDataOffset,
- Table, Subtable->OemDataLength,
+ Array = (UINT8 *) Subtable + AcpiUtReadUint16 (&Subtable->OemDataOffset);
+
+ Status = AcpiDmDumpTable (Length,
+ Offset + AcpiUtReadUint16 (&Subtable->OemDataOffset),
+ Array, AcpiUtReadUint16 (&Subtable->OemDataLength),
AcpiDmTableInfoDbg2OemData);
if (ACPI_FAILURE (Status))
{
@@ -573,9 +578,9 @@ AcpiDmDumpDbg2 (
/* Point to next subtable */
- Offset += Subtable->Length;
+ Offset += SubtableLength;
Subtable = ACPI_ADD_PTR (ACPI_DBG2_DEVICE, Subtable,
- Subtable->Length);
+ SubtableLength);
}
}
Index: acpica-unix2-20210604/source/compiler/dttable1.c
===================================================================
--- acpica-unix2-20210604.orig/source/compiler/dttable1.c
+++ acpica-unix2-20210604/source/compiler/dttable1.c
@@ -355,6 +355,7 @@ DtCompileCsrt (
DT_FIELD **PFieldList = (DT_FIELD **) List;
UINT32 DescriptorCount;
UINT32 GroupLength;
+ UINT32 Tmp;
/* Subtables (Resource Groups) */
@@ -373,12 +374,13 @@ DtCompileCsrt (
/* Compute the number of resource descriptors */
- GroupLength =
- (ACPI_CAST_PTR (ACPI_CSRT_GROUP,
- Subtable->Buffer))->Length -
- (ACPI_CAST_PTR (ACPI_CSRT_GROUP,
- Subtable->Buffer))->SharedInfoLength -
- sizeof (ACPI_CSRT_GROUP);
+ Tmp = AcpiUtReadUint32 (&(ACPI_CAST_PTR (ACPI_CSRT_GROUP,
+ Subtable->Buffer))->Length);
+ GroupLength = Tmp;
+ Tmp = AcpiUtReadUint32 (&(ACPI_CAST_PTR (ACPI_CSRT_GROUP,
+ Subtable->Buffer))->SharedInfoLength);
+ GroupLength -= Tmp;
+ GroupLength -= sizeof (ACPI_CSRT_GROUP);
DescriptorCount = (GroupLength /
sizeof (ACPI_CSRT_DESCRIPTOR));
@@ -466,6 +468,7 @@ DtCompileDbg2 (
ACPI_DBG2_DEVICE *DeviceInfo;
UINT16 CurrentOffset;
UINT32 i;
+ UINT32 Tmp;
/* Main table */
@@ -482,10 +485,12 @@ DtCompileDbg2 (
/* Main table fields */
Dbg2Header = ACPI_CAST_PTR (ACPI_DBG2_HEADER, Subtable->Buffer);
- Dbg2Header->InfoOffset = sizeof (ACPI_TABLE_HEADER) + ACPI_PTR_DIFF (
- ACPI_ADD_PTR (UINT8, Dbg2Header, sizeof (ACPI_DBG2_HEADER)), Dbg2Header);
+ Tmp = sizeof (ACPI_TABLE_HEADER) + ACPI_PTR_DIFF (
+ ACPI_ADD_PTR (UINT8, Dbg2Header, sizeof (ACPI_DBG2_HEADER)), Dbg2Header);
+ AcpiUtWriteUint (&Dbg2Header->InfoOffset, sizeof (UINT32),
+ &Tmp, sizeof (UINT32));
- SubtableCount = Dbg2Header->InfoCount;
+ SubtableCount = Tmp;
DtPushSubtable (Subtable);
/* Process all Device Information subtables (Count = InfoCount) */
@@ -512,7 +517,8 @@ DtCompileDbg2 (
/* BaseAddressRegister GAS array (Required, size is RegisterCount) */
- DeviceInfo->BaseAddressOffset = CurrentOffset;
+ AcpiUtWriteUint (&DeviceInfo->BaseAddressOffset, sizeof (UINT16),
+ &CurrentOffset, sizeof (UINT16));
for (i = 0; *PFieldList && (i < DeviceInfo->RegisterCount); i++)
{
Status = DtCompileTable (PFieldList, AcpiDmTableInfoDbg2Addr,
@@ -528,7 +534,8 @@ DtCompileDbg2 (
/* AddressSize array (Required, size = RegisterCount) */
- DeviceInfo->AddressSizeOffset = CurrentOffset;
+ AcpiUtWriteUint (&DeviceInfo->AddressSizeOffset, sizeof (UINT16),
+ &CurrentOffset, sizeof (UINT16));
for (i = 0; *PFieldList && (i < DeviceInfo->RegisterCount); i++)
{
Status = DtCompileTable (PFieldList, AcpiDmTableInfoDbg2Size,
@@ -544,7 +551,8 @@ DtCompileDbg2 (
/* NamespaceString device identifier (Required, size = NamePathLength) */
- DeviceInfo->NamepathOffset = CurrentOffset;
+ AcpiUtWriteUint (&DeviceInfo->NamepathOffset, sizeof (UINT16),
+ &CurrentOffset, sizeof (UINT16));
Status = DtCompileTable (PFieldList, AcpiDmTableInfoDbg2Name,
&Subtable);
if (ACPI_FAILURE (Status))
@@ -554,8 +562,9 @@ DtCompileDbg2 (
/* Update the device info header */
- DeviceInfo->NamepathLength = (UINT16) Subtable->Length;
- CurrentOffset += (UINT16) DeviceInfo->NamepathLength;
+ AcpiUtWriteUint (&DeviceInfo->NamepathLength, sizeof (UINT16),
+ &Subtable->Length, sizeof (UINT32));
+ CurrentOffset += AcpiUtReadUint16 (&DeviceInfo->NamepathLength);
DtInsertSubtable (ParentTable, Subtable);
/* OemData - Variable-length data (Optional, size = OemDataLength) */
@@ -582,8 +591,10 @@ DtCompileDbg2 (
if (Subtable && Subtable->Length)
{
- DeviceInfo->OemDataOffset = CurrentOffset;
- DeviceInfo->OemDataLength = (UINT16) Subtable->Length;
+ AcpiUtWriteUint (&DeviceInfo->OemDataOffset, sizeof (UINT16),
+ &CurrentOffset, sizeof (UINT16));
+ AcpiUtWriteUint (&DeviceInfo->OemDataLength, sizeof (UINT16),
+ &Subtable->Length, sizeof (UINT32));
DtInsertSubtable (ParentTable, Subtable);
}
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