add #pragma pack(1) for some structures.

[mirror_edk2.git] / MdePkg / Include / IndustryStandard / Acpi30.h

diff --git a/MdePkg/Include/IndustryStandard/Acpi30.h b/MdePkg/Include/IndustryStandard/Acpi30.h
index d07cce5807876a0f27f6c23e3784b26f5c1e4a40..207f060bee6b708bc199038455e79c5ebb605ebd 100644 (file)
--- a/MdePkg/Include/IndustryStandard/Acpi30.h
+++ b/MdePkg/Include/IndustryStandard/Acpi30.h
@@ -108,6 +108,10 @@ typedef struct {
 ///\r
 #define EFI_ACPI_3_0_EXTENDED_SYSTEM_DESCRIPTION_TABLE_REVISION 0x01\r
 \r
+//           \r
+// Ensure proper structure formats\r
+//           \r
+#pragma pack(1)\r
 ///\r
 /// Fixed ACPI Description Table Structure (FADT)\r
 ///\r
@@ -165,6 +169,7 @@ typedef struct {
   EFI_ACPI_3_0_GENERIC_ADDRESS_STRUCTURE  XGpe0Blk;\r
   EFI_ACPI_3_0_GENERIC_ADDRESS_STRUCTURE  XGpe1Blk;\r
 } EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE;\r
+#pragma pack()\r
 \r
 ///\r
 /// FADT Version (as defined in ACPI 3.0 spec.)\r