From: Chen Fan <chen.fan.fnst@cn.fujitsu.com>
Date: Fri, 21 Nov 2014 22:46:49 +0000 (+0000)
Subject: EmulatorPkg/MpService: add enabled processor check for startupThisAP
X-Git-Tag: edk2-stable201903~10593
X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=commitdiff_plain;h=8864869a7f2148c7ac4c4fd46bddf8bcfafbd3d0

EmulatorPkg/MpService: add enabled processor check for startupThisAP

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
---

diff --git a/EmulatorPkg/CpuRuntimeDxe/MpService.c b/EmulatorPkg/CpuRuntimeDxe/MpService.c
index f941519c29..36fa68f3e8 100644
--- a/EmulatorPkg/CpuRuntimeDxe/MpService.c
+++ b/EmulatorPkg/CpuRuntimeDxe/MpService.c
@@ -713,6 +713,10 @@ CpuMpServicesStartupThisAP (
     return EFI_INVALID_PARAMETER;
   }
 
+  if ((gMPSystem.ProcessorData[ProcessorNumber].Info.StatusFlag & PROCESSOR_ENABLED_BIT) == 0) {
+    return EFI_INVALID_PARAMETER;
+  }
+
   gThread->MutexLock(gMPSystem.ProcessorData[ProcessorNumber].StateLock);
   if (gMPSystem.ProcessorData[ProcessorNumber].State != CPU_STATE_IDLE) {
     gThread->MutexUnlock(gMPSystem.ProcessorData[ProcessorNumber].StateLock);