sravan/system76-edk2
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

UefiCpuPkg/CpuMpPei: Add CodeSegment and DataSegment fields

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

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;