From 4f1afaacb283542ee1fdf14602c5d2f44a79de5c Mon Sep 17 00:00:00 2001
From: vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Mon, 10 Nov 2008 09:11:32 +0000
Subject: add #pragma pack(1) for some structures.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6439 6f19259b-4bc3-4df7-8a09-765794883524
---
 MdePkg/Include/IndustryStandard/Acpi10.h | 2 ++
 MdePkg/Include/IndustryStandard/Acpi20.h | 5 +++++
 MdePkg/Include/IndustryStandard/Acpi30.h | 5 +++++
 3 files changed, 12 insertions(+)

(limited to 'MdePkg')

diff --git a/MdePkg/Include/IndustryStandard/Acpi10.h b/MdePkg/Include/IndustryStandard/Acpi10.h
index c05a605..dbd61a2 100644
--- a/MdePkg/Include/IndustryStandard/Acpi10.h
+++ b/MdePkg/Include/IndustryStandard/Acpi10.h
@@ -23,6 +23,7 @@ typedef struct {
   UINT32  Length;
 } EFI_ACPI_COMMON_HEADER;
 
+#pragma pack(1)
 ///
 /// Common ACPI description table header.  This structure prefaces most ACPI tables.
 ///
@@ -37,6 +38,7 @@ typedef struct {
   UINT32  CreatorId;
   UINT32  CreatorRevision;
 } EFI_ACPI_DESCRIPTION_HEADER;
+#pragma pack()
 
 //
 // Define for Desriptor
diff --git a/MdePkg/Include/IndustryStandard/Acpi20.h b/MdePkg/Include/IndustryStandard/Acpi20.h
index b67ee54..4476bf9 100644
--- a/MdePkg/Include/IndustryStandard/Acpi20.h
+++ b/MdePkg/Include/IndustryStandard/Acpi20.h
@@ -99,6 +99,10 @@ typedef struct {
 ///
 #define EFI_ACPI_2_0_EXTENDED_SYSTEM_DESCRIPTION_TABLE_REVISION 0x01
 
+//           
+// Ensure proper structure formats
+//           
+#pragma pack(1)
 ///
 /// Fixed ACPI Description Table Structure (FADT)
 ///
@@ -156,6 +160,7 @@ typedef struct {
   EFI_ACPI_2_0_GENERIC_ADDRESS_STRUCTURE  XGpe0Blk;
   EFI_ACPI_2_0_GENERIC_ADDRESS_STRUCTURE  XGpe1Blk;
 } EFI_ACPI_2_0_FIXED_ACPI_DESCRIPTION_TABLE;
+#pragma pack()
 
 ///
 /// FADT Version (as defined in ACPI 2.0 spec.)
diff --git a/MdePkg/Include/IndustryStandard/Acpi30.h b/MdePkg/Include/IndustryStandard/Acpi30.h
index d07cce5..207f060 100644
--- a/MdePkg/Include/IndustryStandard/Acpi30.h
+++ b/MdePkg/Include/IndustryStandard/Acpi30.h
@@ -108,6 +108,10 @@ typedef struct {
 ///
 #define EFI_ACPI_3_0_EXTENDED_SYSTEM_DESCRIPTION_TABLE_REVISION 0x01
 
+//           
+// Ensure proper structure formats
+//           
+#pragma pack(1)
 ///
 /// Fixed ACPI Description Table Structure (FADT)
 ///
@@ -165,6 +169,7 @@ typedef struct {
   EFI_ACPI_3_0_GENERIC_ADDRESS_STRUCTURE  XGpe0Blk;
   EFI_ACPI_3_0_GENERIC_ADDRESS_STRUCTURE  XGpe1Blk;
 } EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE;
+#pragma pack()
 
 ///
 /// FADT Version (as defined in ACPI 3.0 spec.)
-- 
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