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| author | Chen Fan <chen.fan.fnst@cn.fujitsu.com> | 2014-11-21 22:46:49 +0000 |
|---|---|---|
| committer | jljusten <jljusten@Edk2> | 2014-11-21 22:46:49 +0000 |
| commit | 8864869a7f2148c7ac4c4fd46bddf8bcfafbd3d0 (patch) | |
| tree | 9bb71bc46ce0741acc168e0e385c9ab2447ce588 | |
| parent | c156d27b397489814a85f700abb584fc835644a7 (diff) | |
| download | edk2-8864869a7f2148c7ac4c4fd46bddf8bcfafbd3d0.zip edk2-8864869a7f2148c7ac4c4fd46bddf8bcfafbd3d0.tar.gz edk2-8864869a7f2148c7ac4c4fd46bddf8bcfafbd3d0.tar.bz2 | |
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
| -rw-r--r-- | EmulatorPkg/CpuRuntimeDxe/MpService.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/EmulatorPkg/CpuRuntimeDxe/MpService.c b/EmulatorPkg/CpuRuntimeDxe/MpService.c index f941519..36fa68f 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);
|