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

UefiCpuPkg/CpuMpPei: Wake up APs by proper method

Browse Source 
If ApLoopMode is ApInHltLoop, BSP will send INIT-SIPI-SIPI to wake up APs.
If ApLoopMode is ApInMwaitLoop or ApInRunLoop, BSP will write one semaphore to
wake up APs.

Contributed-under: TianoCore Contribution Agreement 1.0
Cc: Feng Tian <feng.tian@intel.com>
Cc: Michael Kinney <michael.d.kinney@intel.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jeff Fan <jeff.fan@intel.com>
Tested-by: Michael Kinney <michael.d.kinney@intel.com>
Reviewed-by: Michael Kinney <michael.d.kinney@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@19346 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Jeff Fan
2015-12-18 03:26:03 +00:00
committed by vanjeff
parent c87e41b445
commit a09647f3fe
4 changed files with 42 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
UefiCpuPkg/CpuMpPei/CpuMpPei.inf
View File

@@ -83,6 +83,7 @@
gUefiCpuPkgTokenSpaceGuid.PcdCpuMicrocodePatchAddress ## CONSUMES
gUefiCpuPkgTokenSpaceGuid.PcdCpuMicrocodePatchRegionSize ## CONSUMES
gUefiCpuPkgTokenSpaceGuid.PcdCpuApLoopMode ## CONSUMES
gUefiCpuPkgTokenSpaceGuid.PcdCpuApTargetCstate ## SOMETIMES_CONSUMES
[Depex]
gEfiPeiMemoryDiscoveredPpiGuid