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From 492e41a24fd088c7ab609ee8ad518f69c9cd29e3 Mon Sep 17 00:00:00 2001
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From: Al Stone <ahs3@redhat.com>
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Date: Tue, 22 Sep 2020 18:12:01 -0600
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Subject: [PATCH 18/45] Support GTDT 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/dmtbdump1.c | 13 +++++++++----
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source/compiler/dttable1.c | 9 +++++++--
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2 files changed, 16 insertions(+), 6 deletions(-)
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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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@@ -1075,7 +1075,7 @@ AcpiDmDumpGtdt (
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{
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ACPI_STATUS Status;
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ACPI_GTDT_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_GTDT);
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ACPI_DMTABLE_INFO *InfoTable;
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UINT32 SubtableLength;
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@@ -1111,7 +1111,7 @@ AcpiDmDumpGtdt (
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/* Subtables */
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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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@@ -1129,8 +1129,13 @@ AcpiDmDumpGtdt (
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case ACPI_GTDT_TYPE_TIMER_BLOCK:
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SubtableLength = sizeof (ACPI_GTDT_TIMER_BLOCK);
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- GtCount = (ACPI_CAST_PTR (ACPI_GTDT_TIMER_BLOCK,
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- Subtable))->TimerCount;
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+ {
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+ UINT32 Tmp32;
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+
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+ Tmp32 = (ACPI_CAST_PTR (ACPI_GTDT_TIMER_BLOCK,
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+ Subtable))->TimerCount;
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+ GtCount = AcpiUtReadUint32 (&Tmp32);
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+ }
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InfoTable = AcpiDmTableInfoGtdt0;
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break;
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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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@@ -1071,8 +1071,13 @@ DtCompileGtdt (
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DtPushSubtable (Subtable);
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ParentTable = DtPeekSubtable ();
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- GtCount = (ACPI_CAST_PTR (ACPI_GTDT_TIMER_BLOCK,
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- Subtable->Buffer - sizeof(ACPI_GTDT_HEADER)))->TimerCount;
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+ {
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+ UINT32 Tmp32;
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+
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+ Tmp32 = (ACPI_CAST_PTR (ACPI_GTDT_TIMER_BLOCK,
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+ Subtable->Buffer - sizeof (ACPI_GTDT_HEADER)))->TimerCount;
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+ GtCount = AcpiUtReadUint32 (&Tmp32);
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+ }
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while (GtCount)
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{
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