153 lines
6.1 KiB
Diff
153 lines
6.1 KiB
Diff
From dfe414b053fb9feb905271785b319afa7ba72932 Mon Sep 17 00:00:00 2001
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From: Al Stone <ahs3@redhat.com>
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Date: Wed, 23 Sep 2020 16:08:24 -0600
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Subject: [PATCH 22/40] Support MPST 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/dmtbdump2.c | 33 +++++++++++++++++++--------------
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source/compiler/dttable2.c | 8 ++++----
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2 files changed, 23 insertions(+), 18 deletions(-)
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Index: acpica-unix2-20200925/source/common/dmtbdump2.c
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===================================================================
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--- acpica-unix2-20200925.orig/source/common/dmtbdump2.c
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+++ acpica-unix2-20200925/source/common/dmtbdump2.c
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@@ -834,11 +834,13 @@ AcpiDmDumpMpst (
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UINT16 SubtableCount;
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UINT32 PowerStateCount;
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UINT32 ComponentCount;
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+ UINT32 TableLength = AcpiUtReadUint32(&Table->Length);
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+ UINT16 Tmp16;
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/* Main table */
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- Status = AcpiDmDumpTable (Table->Length, 0, Table, 0, AcpiDmTableInfoMpst);
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+ Status = AcpiDmDumpTable (TableLength, 0, Table, 0, AcpiDmTableInfoMpst);
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if (ACPI_FAILURE (Status))
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{
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return;
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@@ -846,13 +848,14 @@ AcpiDmDumpMpst (
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/* Subtable: Memory Power Node(s) */
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- SubtableCount = (ACPI_CAST_PTR (ACPI_TABLE_MPST, Table))->PowerNodeCount;
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+ Tmp16 = (ACPI_CAST_PTR (ACPI_TABLE_MPST, Table))->PowerNodeCount;
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+ SubtableCount = AcpiUtReadUint16(&Tmp16);
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Subtable0 = ACPI_ADD_PTR (ACPI_MPST_POWER_NODE, Table, Offset);
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- while ((Offset < Table->Length) && SubtableCount)
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+ while ((Offset < TableLength) && SubtableCount)
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{
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AcpiOsPrintf ("\n");
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- Status = AcpiDmDumpTable (Table->Length, Offset, Subtable0,
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+ Status = AcpiDmDumpTable (TableLength, Offset, Subtable0,
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sizeof (ACPI_MPST_POWER_NODE), AcpiDmTableInfoMpst0);
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if (ACPI_FAILURE (Status))
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{
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@@ -861,8 +864,8 @@ AcpiDmDumpMpst (
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/* Extract the sub-subtable counts */
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- PowerStateCount = Subtable0->NumPowerStates;
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- ComponentCount = Subtable0->NumPhysicalComponents;
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+ PowerStateCount = AcpiUtReadUint16(&Subtable0->NumPowerStates);
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+ ComponentCount = AcpiUtReadUint16(&Subtable0->NumPhysicalComponents);
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Offset += sizeof (ACPI_MPST_POWER_NODE);
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/* Sub-subtables - Memory Power State Structure(s) */
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@@ -873,7 +876,7 @@ AcpiDmDumpMpst (
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while (PowerStateCount)
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{
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AcpiOsPrintf ("\n");
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- Status = AcpiDmDumpTable (Table->Length, Offset, Subtable0A,
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+ Status = AcpiDmDumpTable (TableLength, Offset, Subtable0A,
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sizeof (ACPI_MPST_POWER_STATE), AcpiDmTableInfoMpst0A);
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if (ACPI_FAILURE (Status))
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{
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@@ -896,7 +899,7 @@ AcpiDmDumpMpst (
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while (ComponentCount)
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{
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- Status = AcpiDmDumpTable (Table->Length, Offset, Subtable0B,
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+ Status = AcpiDmDumpTable (TableLength, Offset, Subtable0B,
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sizeof (ACPI_MPST_COMPONENT), AcpiDmTableInfoMpst0B);
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if (ACPI_FAILURE (Status))
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{
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@@ -913,22 +916,24 @@ AcpiDmDumpMpst (
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SubtableCount--;
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Subtable0 = ACPI_ADD_PTR (ACPI_MPST_POWER_NODE, Subtable0,
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sizeof (ACPI_MPST_POWER_NODE) +
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- (sizeof (ACPI_MPST_POWER_STATE) * Subtable0->NumPowerStates) +
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- (sizeof (ACPI_MPST_COMPONENT) * Subtable0->NumPhysicalComponents));
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+ (sizeof (ACPI_MPST_POWER_STATE) *
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+ AcpiUtReadUint16(&Subtable0->NumPowerStates)) +
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+ (sizeof (ACPI_MPST_COMPONENT) *
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+ AcpiUtReadUint16(&Subtable0->NumPhysicalComponents)));
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}
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/* Subtable: Count of Memory Power State Characteristic structures */
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AcpiOsPrintf ("\n");
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Subtable1 = ACPI_CAST_PTR (ACPI_MPST_DATA_HDR, Subtable0);
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- Status = AcpiDmDumpTable (Table->Length, Offset, Subtable1,
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+ Status = AcpiDmDumpTable (TableLength, Offset, Subtable1,
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sizeof (ACPI_MPST_DATA_HDR), AcpiDmTableInfoMpst1);
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if (ACPI_FAILURE (Status))
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{
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return;
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}
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- SubtableCount = Subtable1->CharacteristicsCount;
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+ SubtableCount = AcpiUtReadUint16(&Subtable1->CharacteristicsCount);
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Offset += sizeof (ACPI_MPST_DATA_HDR);
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/* Subtable: Memory Power State Characteristics structure(s) */
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@@ -936,10 +941,10 @@ AcpiDmDumpMpst (
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Subtable2 = ACPI_ADD_PTR (ACPI_MPST_POWER_DATA, Subtable1,
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sizeof (ACPI_MPST_DATA_HDR));
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- while ((Offset < Table->Length) && SubtableCount)
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+ while ((Offset < TableLength) && SubtableCount)
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{
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AcpiOsPrintf ("\n");
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- Status = AcpiDmDumpTable (Table->Length, Offset, Subtable2,
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+ Status = AcpiDmDumpTable (TableLength, Offset, Subtable2,
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sizeof (ACPI_MPST_POWER_DATA), AcpiDmTableInfoMpst2);
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if (ACPI_FAILURE (Status))
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{
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Index: acpica-unix2-20200925/source/compiler/dttable2.c
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===================================================================
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--- acpica-unix2-20200925.orig/source/compiler/dttable2.c
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+++ acpica-unix2-20200925/source/compiler/dttable2.c
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@@ -345,7 +345,7 @@ DtCompileMpst (
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DtPushSubtable (Subtable);
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MpstChannelInfo = ACPI_CAST_PTR (ACPI_MPST_CHANNEL, Subtable->Buffer);
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- SubtableCount = MpstChannelInfo->PowerNodeCount;
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+ SubtableCount = AcpiUtReadUint16(&MpstChannelInfo->PowerNodeCount);
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while (*PFieldList && SubtableCount)
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{
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@@ -363,8 +363,8 @@ DtCompileMpst (
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DtPushSubtable (Subtable);
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MpstPowerNode = ACPI_CAST_PTR (ACPI_MPST_POWER_NODE, Subtable->Buffer);
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- PowerStateCount = MpstPowerNode->NumPowerStates;
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- ComponentCount = MpstPowerNode->NumPhysicalComponents;
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+ PowerStateCount = AcpiUtReadUint16(&MpstPowerNode->NumPowerStates);
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+ ComponentCount = AcpiUtReadUint16(&MpstPowerNode->NumPhysicalComponents);
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ParentTable = DtPeekSubtable ();
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@@ -417,7 +417,7 @@ DtCompileMpst (
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DtPushSubtable (Subtable);
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MpstDataHeader = ACPI_CAST_PTR (ACPI_MPST_DATA_HDR, Subtable->Buffer);
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- SubtableCount = MpstDataHeader->CharacteristicsCount;
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+ SubtableCount = AcpiUtReadUint16(&MpstDataHeader->CharacteristicsCount);
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ParentTable = DtPeekSubtable ();
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