X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=MdePkg%2FInclude%2FIndustryStandard%2FAcpi30.h;h=207f060bee6b708bc199038455e79c5ebb605ebd;hp=d07cce5807876a0f27f6c23e3784b26f5c1e4a40;hb=4f1afaacb283542ee1fdf14602c5d2f44a79de5c;hpb=498a6d988368a1f73b92ea7ab939cd63e9ba1b93

diff --git a/MdePkg/Include/IndustryStandard/Acpi30.h b/MdePkg/Include/IndustryStandard/Acpi30.h
index d07cce5807..207f060bee 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.)