diff options
| author |   Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
|---|---|---|
| committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
| commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
| tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/edk2/MdeModulePkg/Library/SmmSmiHandlerProfileLib | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/MdeModulePkg/Library/SmmSmiHandlerProfileLib')
3 files changed, 163 insertions, 0 deletions
diff --git a/roms/edk2/MdeModulePkg/Library/SmmSmiHandlerProfileLib/SmmSmiHandlerProfileLib.c b/roms/edk2/MdeModulePkg/Library/SmmSmiHandlerProfileLib/SmmSmiHandlerProfileLib.c new file mode 100644 index 000000000..b76e8f0dc --- /dev/null +++ b/roms/edk2/MdeModulePkg/Library/SmmSmiHandlerProfileLib/SmmSmiHandlerProfileLib.c @@ -0,0 +1,106 @@ +/** @file
+ SMM driver instance of SmiHandlerProfile Library.
+
+ Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <PiSmm.h>
+#include <Library/SmiHandlerProfileLib.h>
+#include <Library/SmmServicesTableLib.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 constructor function for SMI handler profile.
+
+ @param ImageHandle The firmware allocated handle for the EFI image.
+ @param SystemTable A pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.
+**/
+EFI_STATUS
+EFIAPI
+SmmSmiHandlerProfileLibConstructor (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ gSmst->SmmLocateProtocol (
+ &gSmiHandlerProfileGuid,
+ NULL,
+ (VOID **) &mSmiHandlerProfile
+ );
+ return EFI_SUCCESS;
+}
+
diff --git a/roms/edk2/MdeModulePkg/Library/SmmSmiHandlerProfileLib/SmmSmiHandlerProfileLib.inf b/roms/edk2/MdeModulePkg/Library/SmmSmiHandlerProfileLib/SmmSmiHandlerProfileLib.inf new file mode 100644 index 000000000..1d738c708 --- /dev/null +++ b/roms/edk2/MdeModulePkg/Library/SmmSmiHandlerProfileLib/SmmSmiHandlerProfileLib.inf @@ -0,0 +1,41 @@ +## @file
+# SMM driver instance of SmiHandlerProfile Library.
+#
+# This library instance provides real functionality for SmmChildDispatcher module.
+#
+# Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+#
+##
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = SmmSmiHandlerProfileLib
+ MODULE_UNI_FILE = SmmSmiHandlerProfileLib.uni
+ FILE_GUID = FC38CEAE-FB74-4049-A51C-68F0BA69DA7D
+ MODULE_TYPE = DXE_SMM_DRIVER
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = SmiHandlerProfileLib|DXE_SMM_DRIVER
+ CONSTRUCTOR = SmmSmiHandlerProfileLibConstructor
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+# VALID_ARCHITECTURES = IA32 X64
+#
+
+[Sources]
+ SmmSmiHandlerProfileLib.c
+
+[Packages]
+ MdePkg/MdePkg.dec
+ MdeModulePkg/MdeModulePkg.dec
+
+[LibraryClasses]
+ SmmServicesTableLib
+
+[Guids]
+ gSmiHandlerProfileGuid ## CONSUMES ## GUID # Locate protocol
+
diff --git a/roms/edk2/MdeModulePkg/Library/SmmSmiHandlerProfileLib/SmmSmiHandlerProfileLib.uni b/roms/edk2/MdeModulePkg/Library/SmmSmiHandlerProfileLib/SmmSmiHandlerProfileLib.uni new file mode 100644 index 000000000..e90799f53 --- /dev/null +++ b/roms/edk2/MdeModulePkg/Library/SmmSmiHandlerProfileLib/SmmSmiHandlerProfileLib.uni @@ -0,0 +1,16 @@ +// /** @file
+// SMM driver instance of SmiHandlerProfile Library.
+//
+// This library instance provides real functionality for SmmChildDispatcher module.
+//
+// Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
+//
+// SPDX-License-Identifier: BSD-2-Clause-Patent
+//
+// **/
+
+
+#string STR_MODULE_ABSTRACT #language en-US "SMM driver instance of SmiHandlerProfile Library"
+
+#string STR_MODULE_DESCRIPTION #language en-US "This library instance provides real functionality for SmmChildDispatcher module."
+
|