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acpica-tools/0024-Support-SDEV-in-a-big-endian-world.patch

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Merged update from upstream sources This is an automated DistroBaker update from upstream sources. If you do not know what this is about or would like to opt out, contact the OSCI team. Source: https://src.fedoraproject.org/rpms/acpica-tools.git#defe2b64332fc44bf9915c8f57d2614c529cdb43
2020-10-31 11:18:15 +00:00
From af44bec6c062a26034a43809d81af2a0ea17343e Mon Sep 17 00:00:00 2001
From: Al Stone <ahs3@redhat.com>
Date: Fri, 25 Sep 2020 16:05:59 -0600
Subject: [PATCH 24/40] Support SDEV in a big-endian world
Signed-off-by: Al Stone <ahs3@redhat.com>
---
source/common/dmtbdump2.c | 50 +++++++++++++++++++-----------------
source/compiler/dttable2.c | 52 ++++++++++++++++++++++++++++----------
2 files changed, 65 insertions(+), 37 deletions(-)
Index: acpica-unix2-20200925/source/common/dmtbdump2.c
===================================================================
--- acpica-unix2-20200925.orig/source/common/dmtbdump2.c
+++ acpica-unix2-20200925/source/common/dmtbdump2.c
@@ -1871,17 +1871,18 @@ AcpiDmDumpSdev (
ACPI_SDEV_PCIE *Pcie;
ACPI_SDEV_NAMESPACE *Namesp;
ACPI_DMTABLE_INFO *InfoTable;
- UINT32 Length = Table->Length;
+ UINT32 TableLength = AcpiUtReadUint32(&Table->Length);
UINT32 Offset = sizeof (ACPI_TABLE_SDEV);
UINT16 PathOffset;
UINT16 PathLength;
UINT16 VendorDataOffset;
UINT16 VendorDataLength;
+ UINT16 SubtableLength;
/* Main table */
- Status = AcpiDmDumpTable (Length, 0, Table, 0, AcpiDmTableInfoSdev);
+ Status = AcpiDmDumpTable (TableLength, 0, Table, 0, AcpiDmTableInfoSdev);
if (ACPI_FAILURE (Status))
{
return;
@@ -1890,13 +1891,14 @@ AcpiDmDumpSdev (
/* Subtables */
Subtable = ACPI_ADD_PTR (ACPI_SDEV_HEADER, Table, Offset);
- while (Offset < Table->Length)
+ while (Offset < TableLength)
{
/* Common subtable header */
AcpiOsPrintf ("\n");
- Status = AcpiDmDumpTable (Table->Length, Offset, Subtable,
- Subtable->Length, AcpiDmTableInfoSdevHdr);
+ SubtableLength = AcpiUtReadUint16(&Subtable->Length);
+ Status = AcpiDmDumpTable (TableLength, Offset, Subtable,
+ SubtableLength, AcpiDmTableInfoSdevHdr);
if (ACPI_FAILURE (Status))
{
return;
@@ -1919,8 +1921,8 @@ AcpiDmDumpSdev (
}
AcpiOsPrintf ("\n");
- Status = AcpiDmDumpTable (Table->Length, Offset, Subtable,
- Subtable->Length, InfoTable);
+ Status = AcpiDmDumpTable (TableLength, Offset, Subtable,
+ SubtableLength, InfoTable);
if (ACPI_FAILURE (Status))
{
return;
@@ -1933,12 +1935,12 @@ AcpiDmDumpSdev (
/* Dump the PCIe device ID(s) */
Namesp = ACPI_CAST_PTR (ACPI_SDEV_NAMESPACE, Subtable);
- PathOffset = Namesp->DeviceIdOffset;
- PathLength = Namesp->DeviceIdLength;
+ PathOffset = AcpiUtReadUint16(&Namesp->DeviceIdOffset);
+ PathLength = AcpiUtReadUint16(&Namesp->DeviceIdLength);
if (PathLength)
{
- Status = AcpiDmDumpTable (Table->Length, 0,
+ Status = AcpiDmDumpTable (TableLength, 0,
ACPI_ADD_PTR (UINT8, Namesp, PathOffset),
PathLength, AcpiDmTableInfoSdev0a);
if (ACPI_FAILURE (Status))
@@ -1949,14 +1951,14 @@ AcpiDmDumpSdev (
/* Dump the vendor-specific data */
- VendorDataLength =
- Namesp->VendorDataLength;
- VendorDataOffset =
- Namesp->DeviceIdOffset + Namesp->DeviceIdLength;
+ VendorDataLength = AcpiUtReadUint16(&Namesp->VendorDataLength);
+ VendorDataOffset =
+ AcpiUtReadUint16(&Namesp->DeviceIdOffset) +
+ AcpiUtReadUint16(&Namesp->DeviceIdLength);
if (VendorDataLength)
{
- Status = AcpiDmDumpTable (Table->Length, 0,
+ Status = AcpiDmDumpTable (TableLength, 0,
ACPI_ADD_PTR (UINT8, Namesp, VendorDataOffset),
VendorDataLength, AcpiDmTableInfoSdev1b);
if (ACPI_FAILURE (Status))
@@ -1971,12 +1973,12 @@ AcpiDmDumpSdev (
/* PCI path substructures */
Pcie = ACPI_CAST_PTR (ACPI_SDEV_PCIE, Subtable);
- PathOffset = Pcie->PathOffset;
- PathLength = Pcie->PathLength;
+ PathOffset = AcpiUtReadUint16(&Pcie->PathOffset);
+ PathLength = AcpiUtReadUint16(&Pcie->PathLength);
while (PathLength)
{
- Status = AcpiDmDumpTable (Table->Length,
+ Status = AcpiDmDumpTable (TableLength,
PathOffset + Offset,
ACPI_ADD_PTR (UINT8, Pcie, PathOffset),
sizeof (ACPI_SDEV_PCIE_PATH), AcpiDmTableInfoSdev1a);
@@ -1991,12 +1993,14 @@ AcpiDmDumpSdev (
/* VendorData */
- VendorDataLength = Pcie->VendorDataLength;
- VendorDataOffset = Pcie->PathOffset + Pcie->PathLength;
+ VendorDataLength = AcpiUtReadUint16(&Pcie->VendorDataLength);
+ VendorDataOffset =
+ AcpiUtReadUint16(&Pcie->PathOffset) +
+ AcpiUtReadUint16(&Pcie->PathLength);
if (VendorDataLength)
{
- Status = AcpiDmDumpTable (Table->Length, 0,
+ Status = AcpiDmDumpTable (TableLength, 0,
ACPI_ADD_PTR (UINT8, Pcie, VendorDataOffset),
VendorDataLength, AcpiDmTableInfoSdev1b);
if (ACPI_FAILURE (Status))
@@ -2013,8 +2017,8 @@ AcpiDmDumpSdev (
NextSubtable:
/* Point to next subtable */
- Offset += Subtable->Length;
+ Offset += SubtableLength;
Subtable = ACPI_ADD_PTR (ACPI_SDEV_HEADER, Subtable,
- Subtable->Length);
+ SubtableLength);
}
}
Index: acpica-unix2-20200925/source/compiler/dttable2.c
===================================================================
--- acpica-unix2-20200925.orig/source/compiler/dttable2.c
+++ acpica-unix2-20200925/source/compiler/dttable2.c
@@ -1268,6 +1268,7 @@ DtCompileSdev (
ACPI_SDEV_PCIE *Pcie = NULL;
ACPI_SDEV_NAMESPACE *Namesp = NULL;
UINT32 EntryCount;
+ UINT16 Tmp16;
/* Subtables */
@@ -1289,7 +1290,7 @@ DtCompileSdev (
DtPushSubtable (Subtable);
SdevHeader = ACPI_CAST_PTR (ACPI_SDEV_HEADER, Subtable->Buffer);
- SdevHeader->Length = (UINT8)(sizeof (ACPI_SDEV_HEADER));
+ SdevHeader->Length = (UINT16) (sizeof (ACPI_SDEV_HEADER));
switch (SdevHeader->Type)
{
@@ -1345,7 +1346,7 @@ DtCompileSdev (
ParentTable = DtPeekSubtable ();
DtInsertSubtable (ParentTable, Subtable);
- Namesp->DeviceIdOffset = sizeof (ACPI_SDEV_NAMESPACE);
+ Namesp->DeviceIdOffset = (UINT16) sizeof (ACPI_SDEV_NAMESPACE);
Namesp->DeviceIdLength = (UINT16) Subtable->Length;
/* Append Vendor data */
@@ -1367,18 +1368,32 @@ DtCompileSdev (
ParentTable = DtPeekSubtable ();
DtInsertSubtable (ParentTable, Subtable);
- Namesp->VendorDataOffset =
- Namesp->DeviceIdOffset + Namesp->DeviceIdLength;
- Namesp->VendorDataLength =
- (UINT16) Subtable->Length;
+ Namesp->VendorDataOffset =
+ Namesp->DeviceIdOffset +
+ Namesp->DeviceIdLength;
+ Namesp->VendorDataLength = (UINT16) Subtable->Length;
/* Final size of entire namespace structure */
- SdevHeader->Length = (UINT16)(sizeof(ACPI_SDEV_NAMESPACE) +
- Subtable->Length + Namesp->DeviceIdLength);
+ SdevHeader->Length = (UINT16)
+ (sizeof(ACPI_SDEV_NAMESPACE) +
+ Subtable->Length +
+ Namesp->DeviceIdLength);
}
}
+ /* Make sure everything is now little-endian */
+ Tmp16 = AcpiUtReadUint16(&SdevHeader->Length);
+ SdevHeader->Length = Tmp16;
+ Tmp16 = AcpiUtReadUint16(&Namesp->DeviceIdOffset);
+ Namesp->DeviceIdOffset = Tmp16;
+ Tmp16 = AcpiUtReadUint16(&Namesp->DeviceIdLength);
+ Namesp->DeviceIdLength = Tmp16;
+ Tmp16 = AcpiUtReadUint16(&Namesp->VendorDataOffset);
+ Namesp->VendorDataOffset = Tmp16;
+ Tmp16 = AcpiUtReadUint16(&Namesp->VendorDataLength);
+ Namesp->VendorDataLength = Tmp16;
+
break;
case ACPI_SDEV_TYPE_PCIE_ENDPOINT_DEVICE:
@@ -1408,9 +1423,9 @@ DtCompileSdev (
/* Path offset will point immediately after the main subtable */
- Pcie->PathOffset = sizeof (ACPI_SDEV_PCIE);
+ Pcie->PathOffset = sizeof (ACPI_SDEV_PCIE);
Pcie->PathLength = (UINT16)
- (EntryCount * sizeof (ACPI_SDEV_PCIE_PATH));
+ (EntryCount * sizeof (ACPI_SDEV_PCIE_PATH));
/* Append the Vendor Data last */
@@ -1432,15 +1447,24 @@ DtCompileSdev (
DtInsertSubtable (ParentTable, Subtable);
Pcie->VendorDataOffset =
- Pcie->PathOffset + Pcie->PathLength;
- Pcie->VendorDataLength = (UINT16)
- Subtable->Length;
+ Pcie->PathOffset + Pcie->PathLength;
+ Pcie->VendorDataLength = (UINT16) Subtable->Length;
}
}
SdevHeader->Length =
- sizeof (ACPI_SDEV_PCIE) +
+ sizeof (ACPI_SDEV_PCIE) +
Pcie->PathLength + Pcie->VendorDataLength;
+ Tmp16 = AcpiUtReadUint16(&SdevHeader->Length);
+ SdevHeader->Length = Tmp16;
+ Tmp16 = AcpiUtReadUint16(&Pcie->PathOffset);
+ Pcie->PathOffset = Tmp16;
+ Tmp16 = AcpiUtReadUint16(&Pcie->PathLength);
+ Pcie->PathLength = Tmp16;
+ Tmp16 = AcpiUtReadUint16(&Pcie->VendorDataOffset);
+ Pcie->VendorDataOffset = Tmp16;
+ Tmp16 = AcpiUtReadUint16(&Pcie->VendorDataLength);
+ Pcie->VendorDataLength = Tmp16;
break;
default:
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