diff options
-rw-r--r-- | UefiCpuPkg/Library/MpInitLib/Microcode.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/UefiCpuPkg/Library/MpInitLib/Microcode.c b/UefiCpuPkg/Library/MpInitLib/Microcode.c index 0fd8e8c51b..5bb0145c87 100644 --- a/UefiCpuPkg/Library/MpInitLib/Microcode.c +++ b/UefiCpuPkg/Library/MpInitLib/Microcode.c @@ -92,6 +92,7 @@ MicrocodeDetect ( PlatformId = (UINT8) PlatformIdMsr.Bits.PlatformId;
LatestRevision = 0;
+ MicrocodeData = NULL;
MicrocodeEnd = (UINTN) (MicrocodePatchAddress + MicrocodePatchRegionSize);
MicrocodeEntryPoint = (CPU_MICROCODE_HEADER *) (UINTN) MicrocodePatchAddress;
do {
@@ -198,6 +199,7 @@ MicrocodeDetect ( // Revision. A processor with no loaded update is considered to have a
// revision equal to zero.
//
+ ASSERT (MicrocodeData != NULL);
AsmWriteMsr64 (
MSR_IA32_BIOS_UPDT_TRIG,
(UINT64) (UINTN) MicrocodeData
|