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authorChen Fan <chen.fan.fnst@cn.fujitsu.com>2014-11-21 22:46:49 +0000
committerjljusten <jljusten@Edk2>2014-11-21 22:46:49 +0000
commit8864869a7f2148c7ac4c4fd46bddf8bcfafbd3d0 (patch)
tree9bb71bc46ce0741acc168e0e385c9ab2447ce588 /EmulatorPkg
parentc156d27b397489814a85f700abb584fc835644a7 (diff)
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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
Diffstat (limited to 'EmulatorPkg')
-rw-r--r--EmulatorPkg/CpuRuntimeDxe/MpService.c4
1 files changed, 4 insertions, 0 deletions
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);