Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Chen Fan <chen.fan.f...@cn.fujitsu.com>
---
UefiCpuPkg/CpuDxe/CpuMp.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/UefiCpuPkg/CpuDxe/CpuMp.c b/UefiCpuPkg/CpuDxe/CpuMp.c
index 1eaf7b3..2692ebc 100644
--- a/UefiCpuPkg/CpuDxe/CpuMp.c
+++ b/UefiCpuPkg/CpuDxe/CpuMp.c
@@ -20,6 +20,7 @@ UINTN gApStackSize;
UINTN gPollInterval = 100; // 100 microseconds
MP_SYSTEM_DATA mMpSystemData;
+EFI_HANDLE mMpServiceHandle = NULL;
VOID *mCommonStack = 0;
VOID *mTopOfApCommonStack = 0;
@@ -1472,6 +1473,8 @@ InitializeMpSupport (
VOID
)
{
+ EFI_STATUS Status;
+
gMaxLogicalProcessorNumber = (UINTN) PcdGet32
(PcdCpuMaxLogicalProcessorNumber);
if (gMaxLogicalProcessorNumber < 1) {
DEBUG ((DEBUG_ERROR, "Setting PcdCpuMaxLogicalProcessorNumber should be
more than zero.\n"));
@@ -1516,6 +1519,13 @@ InitializeMpSupport (
mAPsAlreadyInitFinished = TRUE;
+ Status = gBS->InstallMultipleProtocolInterfaces (
+ &mMpServiceHandle,
+ &gEfiMpServiceProtocolGuid, &mMpServicesTemplate,
+ NULL
+ );
+ ASSERT_EFI_ERROR (Status);
+
if (mMpSystemData.NumberOfProcessors < gMaxLogicalProcessorNumber) {
FreePages (mApStackStart, EFI_SIZE_TO_PAGES (
(gMaxLogicalProcessorNumber -
mMpSystemData.NumberOfProcessors) *
--
1.9.3
------------------------------------------------------------------------------
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