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acpica-tools/0027-Support-SDEV-in-a-big-endian-world.patch
Al Stone fc3eef63e8 Update to 20220331 upstream sources 
This includes new source tarballs, updated patches, and updated
expected results for test cases.  In addition, three new tables
(PRMT, RGRT and SVKL) now have big-endian support.

Signed-off-by: Al Stone <ahs3@redhat.com>
2022-04-03 15:18:02 -06:00

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From 3d1ac6e76ad0c0d6454671b190ccbbfafb0cb4cc Mon Sep 17 00:00:00 2001
From: Al Stone <ahs3@redhat.com>
Date: Tue, 29 Jun 2021 16:03:36 -0600
Subject: [PATCH 27/45] Support SDEV in a big-endian world
Signed-off-by: Al Stone <ahs3@redhat.com>
---
source/common/dmtbdump2.c | 48 +++++++++++++++++++++-----------------
source/compiler/dttable2.c | 27 ++++++++++++++++++++-
2 files changed, 52 insertions(+), 23 deletions(-)
Index: acpica-unix2-20220331/source/common/dmtbdump2.c
===================================================================
--- acpica-unix2-20220331.orig/source/common/dmtbdump2.c
+++ acpica-unix2-20220331/source/common/dmtbdump2.c
@@ -2581,7 +2581,7 @@ AcpiDmDumpSdev (
ACPI_SDEV_NAMESPACE *Namesp;
ACPI_DMTABLE_INFO *InfoTable;
ACPI_DMTABLE_INFO *SecureComponentInfoTable;
- UINT32 Length = Table->Length;
+ UINT32 TableLength = AcpiUtReadUint32 (&Table->Length);
UINT32 Offset = sizeof (ACPI_TABLE_SDEV);
UINT16 PathOffset;
UINT16 PathLength;
@@ -2589,11 +2589,12 @@ AcpiDmDumpSdev (
UINT16 VendorDataLength;
ACPI_SDEV_SECURE_COMPONENT *SecureComponent = NULL;
UINT32 CurrentOffset = 0;
+ UINT16 SubtableLength;
/* Main table */
- Status = AcpiDmDumpTable (Length, 0, Table, 0, AcpiDmTableInfoSdev);
+ Status = AcpiDmDumpTable (TableLength, 0, Table, 0, AcpiDmTableInfoSdev);
if (ACPI_FAILURE (Status))
{
return;
@@ -2602,13 +2603,14 @@ 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;
@@ -2631,8 +2633,8 @@ AcpiDmDumpSdev (
}
AcpiOsPrintf ("\n");
- Status = AcpiDmDumpTable (Table->Length, 0, Subtable,
- Subtable->Length, InfoTable);
+ Status = AcpiDmDumpTable (TableLength, 0, Subtable,
+ SubtableLength, InfoTable);
if (ACPI_FAILURE (Status))
{
return;
@@ -2691,12 +2693,12 @@ 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, CurrentOffset,
+ Status = AcpiDmDumpTable (TableLength, CurrentOffset,
ACPI_ADD_PTR (UINT8, Namesp, PathOffset),
PathLength, AcpiDmTableInfoSdev0a);
if (ACPI_FAILURE (Status))
@@ -2708,14 +2710,14 @@ AcpiDmDumpSdev (
/* Dump the vendor-specific data */
- VendorDataLength =
- Namesp->VendorDataLength;
+ VendorDataLength = AcpiUtReadUint16 (&Namesp->VendorDataLength);
VendorDataOffset =
- Namesp->DeviceIdOffset + Namesp->DeviceIdLength;
+ 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))
@@ -2730,12 +2732,12 @@ 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);
@@ -2750,12 +2752,14 @@ 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))
@@ -2772,8 +2776,8 @@ AcpiDmDumpSdev (
NextSubtable:
/* Point to next subtable */
- Offset += Subtable->Length;
+ Offset += SubtableLength;
Subtable = ACPI_ADD_PTR (ACPI_SDEV_HEADER, Subtable,
- Subtable->Length);
+ SubtableLength);
}
}
Index: acpica-unix2-20220331/source/compiler/dttable2.c
===================================================================
--- acpica-unix2-20220331.orig/source/compiler/dttable2.c
+++ acpica-unix2-20220331/source/compiler/dttable2.c
@@ -1890,6 +1890,7 @@ DtCompileSdev (
UINT32 EntryCount;
ACPI_SDEV_SECURE_COMPONENT *SecureComponent = NULL;
UINT16 ComponentLength = 0;
+ UINT16 Tmp16;
/* Subtables */
@@ -1911,7 +1912,7 @@ 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)
{
@@ -2084,6 +2085,18 @@ DtCompileSdev (
}
}
+ /* 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:
@@ -2146,6 +2159,18 @@ DtCompileSdev (
SdevHeader->Length =
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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