UefiCpuPkg/DxeMpLib: Allocate new safe stack < 4GB

[mirror_edk2.git] / UefiCpuPkg / Library / MpInitLib / MpLib.h

diff --git a/UefiCpuPkg/Library/MpInitLib/MpLib.h b/UefiCpuPkg/Library/MpInitLib/MpLib.h
index 0ac777a099b13ee179053e848f056579a70f7bb9..e6dea18428768f7fdc6b03136e4efa268130e65b 100644 (file)
--- a/UefiCpuPkg/Library/MpInitLib/MpLib.h
+++ b/UefiCpuPkg/Library/MpInitLib/MpLib.h
@@ -129,12 +129,14 @@ typedef struct {
 // we need to make sure the each fields offset same in different\r
 // architecture.\r
 //\r
+#pragma pack (1)\r
 typedef struct {\r
   UINT32                         InitialApicId;\r
   UINT32                         ApicId;\r
   UINT32                         Health;\r
-  UINT32                         ApTopOfStack;\r
+  UINT64                         ApTopOfStack;\r
 } CPU_INFO_IN_HOB;\r
+#pragma pack ()\r
 \r
 //\r
 // AP reset code information including code address and size,\r
@@ -248,7 +250,8 @@ VOID
 (EFIAPI * ASM_RELOCATE_AP_LOOP) (\r
   IN BOOLEAN                 MwaitSupport,\r
   IN UINTN                   ApTargetCState,\r
-  IN UINTN                   PmCodeSegment\r
+  IN UINTN                   PmCodeSegment,\r
+  IN UINTN                   TopOfApStack\r
   );\r
 \r
 /**\r