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UefiCpuPkg/CpuDxe: install Mp Service protocol 

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Chen Fan <chen.fan.fnst@cn.fujitsu.com>
Reviewed-by: Jeff Fan <jeff.fan@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16371 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Chen Fan 2014-11-13 18:30:18 +00:00 committed by jljusten
parent dee9376ffc
commit 4a50c27285
1 changed files with 10 additions and 0 deletions
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10
UefiCpuPkg/CpuDxe/CpuMp.c
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@ -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) *