Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Chen Fan <[email protected]>
---
UefiCpuPkg/CpuDxe/CpuDxe.inf | 1 +
UefiCpuPkg/CpuDxe/CpuMp.c | 21 +++++++++++++++++++++
UefiCpuPkg/CpuDxe/CpuMp.h | 2 ++
3 files changed, 24 insertions(+)
diff --git a/UefiCpuPkg/CpuDxe/CpuDxe.inf b/UefiCpuPkg/CpuDxe/CpuDxe.inf
index 058e9a6..f73b845 100644
--- a/UefiCpuPkg/CpuDxe/CpuDxe.inf
+++ b/UefiCpuPkg/CpuDxe/CpuDxe.inf
@@ -65,6 +65,7 @@
[Protocols]
gEfiCpuArchProtocolGuid ## PRODUCES
+ gEfiMpServiceProtocolGuid ## PRODUCES
[Guids]
gIdleLoopEventGuid ## CONSUMES ## Event
diff --git a/UefiCpuPkg/CpuDxe/CpuMp.c b/UefiCpuPkg/CpuDxe/CpuMp.c
index 9a9c26c..3bf9850 100644
--- a/UefiCpuPkg/CpuDxe/CpuMp.c
+++ b/UefiCpuPkg/CpuDxe/CpuMp.c
@@ -15,6 +15,8 @@
#include "CpuDxe.h"
#include "CpuMp.h"
+EFI_HANDLE mMpServiceHandle = NULL;
+
VOID *mCommonStack = 0;
VOID *mTopOfApCommonStack = 0;
VOID *mApStackStart = 0;
@@ -27,6 +29,16 @@ UINTN volatile mApDoneCount = 0;
CPU_EXCHANGE_DATA mCpuExchangeData;
+EFI_MP_SERVICES_PROTOCOL mMpServicesTemplate = {
+ NULL, // GetNumberOfProcessors,
+ NULL, // GetProcessorInfo,
+ NULL, // StartupAllAps,
+ NULL, // StartupThisAP,
+ NULL, // SwitchBSP,
+ NULL, // EnableDisableAP,
+ NULL // WhoAmI
+};
+
/**
Application Processors do loop routine
after swtich to its own stack
@@ -80,6 +92,8 @@ InitializeMpSupport (
VOID
)
{
+ EFI_STATUS Status;
+
mCommonStack = AllocatePages (EFI_SIZE_TO_PAGES (AP_STACK_SIZE));
mTopOfApCommonStack = (VOID*) ((UINTN)mCommonStack + AP_STACK_SIZE);
if (mCommonStack == NULL) {
@@ -106,6 +120,13 @@ InitializeMpSupport (
while (mApDoneCount != (mNumberOfProcessors - 1));
+ Status = gBS->InstallMultipleProtocolInterfaces (
+ &mMpServiceHandle,
+ &gEfiMpServiceProtocolGuid, &mMpServicesTemplate,
+ NULL
+ );
+ ASSERT_EFI_ERROR (Status);
+
EXIT:
mTopOfApCommonStack = NULL;
FreePages (mCommonStack, EFI_SIZE_TO_PAGES (AP_STACK_SIZE));
diff --git a/UefiCpuPkg/CpuDxe/CpuMp.h b/UefiCpuPkg/CpuDxe/CpuMp.h
index 6f0620e..6d9f2a6 100644
--- a/UefiCpuPkg/CpuDxe/CpuMp.h
+++ b/UefiCpuPkg/CpuDxe/CpuMp.h
@@ -15,6 +15,8 @@
#ifndef _CPU_MP_H_
#define _CPU_MP_H_
+#include <Protocol/MpService.h>
+
#define AP_STACK_SIZE SIZE_64KB
/**
--
1.9.3
------------------------------------------------------------------------------
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