Revision: 17990
http://sourceforge.net/p/edk2/code/17990
Author: vanjeff
Date: 2015-07-15 03:30:01 +0000 (Wed, 15 Jul 2015)
Log Message:
-----------
UefiCpuPkg/CpuMpPei: Add MP exchange structure definition
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jeff Fan <[email protected]>
Reviewed-by: Feng Tian <[email protected]>
Reviewed-by: Jiewen Yao <[email protected]>
Modified Paths:
--------------
trunk/edk2/UefiCpuPkg/CpuMpPei/CpuMpPei.h
Modified: trunk/edk2/UefiCpuPkg/CpuMpPei/CpuMpPei.h
===================================================================
--- trunk/edk2/UefiCpuPkg/CpuMpPei/CpuMpPei.h 2015-07-15 03:29:40 UTC (rev
17989)
+++ trunk/edk2/UefiCpuPkg/CpuMpPei/CpuMpPei.h 2015-07-15 03:30:01 UTC (rev
17990)
@@ -23,6 +23,7 @@
#include <Library/PeimEntryPoint.h>
#pragma pack(1)
+
typedef union {
struct {
UINT32 LimitLow : 16;
@@ -41,6 +42,24 @@
} Bits;
UINT64 Uint64;
} IA32_GDT;
+
+//
+// MP CPU exchange information for AP reset code
+//
+typedef struct {
+ UINTN Lock;
+ UINTN StackStart;
+ UINTN StackSize;
+ UINTN CFunction;
+ IA32_DESCRIPTOR GdtrProfile;
+ IA32_DESCRIPTOR IdtrProfile;
+ UINTN BufferStart;
+ UINTN PmodeOffset;
+ UINTN NumApsExecuting;
+ UINTN LmodeOffset;
+ UINTN Cr3;
+} MP_CPU_EXCHANGE_INFO;
+
#pragma pack()
/**
Assembly code to load GDT table and update segment accordingly.
------------------------------------------------------------------------------
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