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UefiCpuPkg/CpuMpPei: Add CodeSegment and DataSegment fields 

Added CodeSegment and DataSegment fields in MP_CPU_EXCHANGE_INFO. They are set
to the values of current BSP's CS and DS.

Cc: Feng Tian <feng.tian@intel.com>
Cc: Michael Kinney <michael.d.kinney@intel.com>
Cc: Giri Mudusuru <giri.p.mudusuru@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jeff Fan <jeff.fan@intel.com>
Reviewed-by: Giri P Mudusuru <giri.p.mudusuru@intel.com>
This commit is contained in:
Jeff Fan 2016-07-11 13:08:06 +08:00
parent 0199377c0d
commit ed04bffe75
4 changed files with 12 additions and 4 deletions
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2
UefiCpuPkg/CpuMpPei/CpuMpPei.c
View File

@ -455,6 +455,8 @@ WakeUpAP (
ExchangeInfo->PmodeOffset = PeiCpuMpData->AddressMap.PModeEntryOffset;
ExchangeInfo->LmodeOffset = PeiCpuMpData->AddressMap.LModeEntryOffset;
ExchangeInfo->Cr3 = AsmReadCr3 ();
ExchangeInfo->CodeSegment = AsmReadCs ();
ExchangeInfo->DataSegment = AsmReadDs ();
ExchangeInfo->CFunction = (UINTN) ApCFunction;
ExchangeInfo->NumApsExecuting = 0;
ExchangeInfo->PeiCpuMpData = PeiCpuMpData;

2
UefiCpuPkg/CpuMpPei/CpuMpPei.h
View File

@ -119,6 +119,8 @@ typedef struct {
UINTN BufferStart;
UINTN PmodeOffset;
UINTN NumApsExecuting;
UINTN CodeSegment;
UINTN DataSegment;
UINTN LmodeOffset;
UINTN Cr3;
PEI_CPU_MP_DATA *PeiCpuMpData;

4
UefiCpuPkg/CpuMpPei/Ia32/MpEqu.inc
View File

@ -1,5 +1,5 @@
;------------------------------------------------------------------------------ ;
; Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
; Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved.<BR>
; This program and the accompanying materials
; are licensed and made available under the terms and conditions of the BSD License
; which accompanies this distribution. The full text of the license may be found at
@ -37,4 +37,6 @@ IdtrLocation equ LockLocation + 16h
BufferStartLocation equ LockLocation + 1Ch
PmodeOffsetLocation equ LockLocation + 20h
NumApsExecutingLoction equ LockLocation + 24h
CodeSegmentLocation equ LockLocation + 28h
DataSegmentLocation equ LockLocation + 2Ch

8
UefiCpuPkg/CpuMpPei/X64/MpEqu.inc
View File

@ -1,5 +1,5 @@
;------------------------------------------------------------------------------ ;
; Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
; Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved.<BR>
; This program and the accompanying materials
; are licensed and made available under the terms and conditions of the BSD License
; which accompanies this distribution. The full text of the license may be found at
@ -39,7 +39,9 @@ IdtrLocation equ LockLocation + 2Ah
BufferStartLocation equ LockLocation + 34h
PmodeOffsetLocation equ LockLocation + 3Ch
NumApsExecutingLoction equ LockLocation + 44h
LmodeOffsetLocation equ LockLocation + 4Ch
Cr3Location equ LockLocation + 54h
CodeSegmentLocation equ LockLocation + 4Ch
DataSegmentLocation equ LockLocation + 54h
LmodeOffsetLocation equ LockLocation + 5Ch
Cr3Location equ LockLocation + 64h
;-------------------------------------------------------------------------------