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-rw-r--r--MdeModulePkg/Library/SmmSmiHandlerProfileLib/MmSmiHandlerProfileLib.c102
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diff --git a/MdeModulePkg/Library/SmmSmiHandlerProfileLib/MmSmiHandlerProfileLib.c b/MdeModulePkg/Library/SmmSmiHandlerProfileLib/MmSmiHandlerProfileLib.c
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index 0000000000..f800220b54
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+++ b/MdeModulePkg/Library/SmmSmiHandlerProfileLib/MmSmiHandlerProfileLib.c
@@ -0,0 +1,102 @@
+/** @file
+ MM driver instance of SmiHandlerProfile Library.
+
+ Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) Microsoft Corporation.
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <PiMm.h>
+#include <Library/SmiHandlerProfileLib.h>
+#include <Library/MmServicesTableLib.h>
+#include <Guid/SmiHandlerProfile.h>
+
+SMI_HANDLER_PROFILE_PROTOCOL *mSmiHandlerProfile;
+
+/**
+ This function is called by SmmChildDispatcher module to report
+ a new SMI handler is registered, to SmmCore.
+
+ @param HandlerGuid The GUID to identify the type of the handler.
+ For the SmmChildDispatch protocol, the HandlerGuid
+ must be the GUID of SmmChildDispatch protocol.
+ @param Handler The SMI handler.
+ @param CallerAddress The address of the module who registers the SMI handler.
+ @param Context The context of the SMI handler.
+ For the SmmChildDispatch protocol, the Context
+ must match the one defined for SmmChildDispatch protocol.
+ @param ContextSize The size of the context in bytes.
+ For the SmmChildDispatch protocol, the Context
+ must match the one defined for SmmChildDispatch protocol.
+
+ @retval EFI_SUCCESS The information is recorded.
+ @retval EFI_UNSUPPORTED The feature is unsupported.
+ @retval EFI_OUT_OF_RESOURCES There is no enough resource to record the information.
+**/
+EFI_STATUS
+EFIAPI
+SmiHandlerProfileRegisterHandler (
+ IN EFI_GUID *HandlerGuid,
+ IN EFI_SMM_HANDLER_ENTRY_POINT2 Handler,
+ IN PHYSICAL_ADDRESS CallerAddress,
+ IN VOID *Context, OPTIONAL
+ IN UINTN ContextSize OPTIONAL
+ )
+{
+ if (mSmiHandlerProfile != NULL) {
+ return mSmiHandlerProfile->RegisterHandler (mSmiHandlerProfile, HandlerGuid, Handler, CallerAddress, Context, ContextSize);
+ }
+ return EFI_UNSUPPORTED;
+}
+
+/**
+ This function is called by SmmChildDispatcher module to report
+ an existing SMI handler is unregistered, to SmmCore.
+
+ @param HandlerGuid The GUID to identify the type of the handler.
+ For the SmmChildDispatch protocol, the HandlerGuid
+ must be the GUID of SmmChildDispatch protocol.
+ @param Handler The SMI handler.
+ @param Context The context of the SMI handler.
+ If it is NOT NULL, it will be used to check what is registered.
+ @param ContextSize The size of the context in bytes.
+ If Context is NOT NULL, it will be used to check what is registered.
+
+ @retval EFI_SUCCESS The original record is removed.
+ @retval EFI_UNSUPPORTED The feature is unsupported.
+ @retval EFI_NOT_FOUND There is no record for the HandlerGuid and handler.
+**/
+EFI_STATUS
+EFIAPI
+SmiHandlerProfileUnregisterHandler (
+ IN EFI_GUID *HandlerGuid,
+ IN EFI_SMM_HANDLER_ENTRY_POINT2 Handler,
+ IN VOID *Context, OPTIONAL
+ IN UINTN ContextSize OPTIONAL
+ )
+{
+ if (mSmiHandlerProfile != NULL) {
+ return mSmiHandlerProfile->UnregisterHandler (mSmiHandlerProfile, HandlerGuid, Handler, Context, ContextSize);
+ }
+ return EFI_UNSUPPORTED;
+}
+
+/**
+ The common constructor function for SMI handler profile.
+
+ @retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.
+**/
+EFI_STATUS
+MmSmiHandlerProfileLibInitialization (
+ VOID
+ )
+{
+ gMmst->MmLocateProtocol (
+ &gSmiHandlerProfileGuid,
+ NULL,
+ (VOID **) &mSmiHandlerProfile
+ );
+ return EFI_SUCCESS;
+}
+