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From 9d7f9c8f4ecbee2e621d471a8c4944cebe62947d Mon Sep 17 00:00:00 2001
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From: Al Stone <ahs3@redhat.com>
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Date: Wed, 30 Sep 2020 18:59:57 -0600
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Subject: [PATCH 1/5] Add partial big-endian support for WPBT tables
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There's some weirdness here that at present does not warrant
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further investigation; this is just a really low priority table.
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Signed-off-by: Al Stone <ahs3@redhat.com>
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---
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source/common/dmtbdump3.c | 8 ++++----
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source/compiler/dttable2.c | 3 ++-
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2 files changed, 6 insertions(+), 5 deletions(-)
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Index: acpica-unix2-20200925/source/common/dmtbdump3.c
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===================================================================
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--- acpica-unix2-20200925.orig/source/common/dmtbdump3.c
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+++ acpica-unix2-20200925/source/common/dmtbdump3.c
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@@ -628,13 +628,13 @@ AcpiDmDumpWpbt (
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{
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ACPI_STATUS Status;
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ACPI_TABLE_WPBT *Subtable;
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- UINT32 Length = Table->Length;
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+ UINT32 TableLength = AcpiUtReadUint32(&Table->Length);
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UINT16 ArgumentsLength;
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/* Dump the main table */
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- Status = AcpiDmDumpTable (Length, 0, Table, 0, AcpiDmTableInfoWpbt);
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+ Status = AcpiDmDumpTable (TableLength, 0, Table, 0, AcpiDmTableInfoWpbt);
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if (ACPI_FAILURE (Status))
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{
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return;
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@@ -643,10 +643,10 @@ AcpiDmDumpWpbt (
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/* Extract the arguments buffer length from the main table */
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Subtable = ACPI_CAST_PTR (ACPI_TABLE_WPBT, Table);
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- ArgumentsLength = Subtable->ArgumentsLength;
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+ ArgumentsLength = AcpiUtReadUint16(&Subtable->ArgumentsLength);
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/* Dump the arguments buffer */
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- (void) AcpiDmDumpTable (Table->Length, 0, Table, ArgumentsLength,
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+ (void) AcpiDmDumpTable (TableLength, 0, Table, ArgumentsLength,
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AcpiDmTableInfoWpbt0);
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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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@@ -2190,7 +2190,8 @@ DtCompileWpbt (
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/* Extract the length of the Arguments buffer, insert into main table */
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- Length = (UINT16) Subtable->TotalLength;
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+ AcpiUtWriteUint(&Length, sizeof(UINT16),
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+ &Subtable->TotalLength, sizeof(UINT32));
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Table = ACPI_CAST_PTR (ACPI_TABLE_WPBT, ParentTable->Buffer);
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Table->ArgumentsLength = Length;
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