EmulatorPkg/MpService: add enabled processor check for startupThisAP
authorChen Fan <chen.fan.fnst@cn.fujitsu.com>
Fri, 21 Nov 2014 22:46:49 +0000 (22:46 +0000)
committerjljusten <jljusten@Edk2>
Fri, 21 Nov 2014 22:46:49 +0000 (22:46 +0000)
if processor number is the one of disabled processor, startupThisAP
should return invalid prameter.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Chen Fan <chen.fan.fnst@cn.fujitsu.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16417 6f19259b-4bc3-4df7-8a09-765794883524

EmulatorPkg/CpuRuntimeDxe/MpService.c

index f941519..36fa68f 100644 (file)
@@ -713,6 +713,10 @@ CpuMpServicesStartupThisAP (
     return EFI_INVALID_PARAMETER;\r
   }\r
 \r
+  if ((gMPSystem.ProcessorData[ProcessorNumber].Info.StatusFlag & PROCESSOR_ENABLED_BIT) == 0) {\r
+    return EFI_INVALID_PARAMETER;\r
+  }\r
+\r
   gThread->MutexLock(gMPSystem.ProcessorData[ProcessorNumber].StateLock);\r
   if (gMPSystem.ProcessorData[ProcessorNumber].State != CPU_STATE_IDLE) {\r
     gThread->MutexUnlock(gMPSystem.ProcessorData[ProcessorNumber].StateLock);\r