9d510e61fc
https://bugzilla.tianocore.org/show_bug.cgi?id=1373 Replace BSD 2-Clause License with BSD+Patent License. This change is based on the following emails: https://lists.01.org/pipermail/edk2-devel/2019-February/036260.html https://lists.01.org/pipermail/edk2-devel/2018-October/030385.html RFCs with detailed process for the license change: V3: https://lists.01.org/pipermail/edk2-devel/2019-March/038116.html V2: https://lists.01.org/pipermail/edk2-devel/2019-March/037669.html V1: https://lists.01.org/pipermail/edk2-devel/2019-March/037500.html Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com> Reviewed-by: Hao Wu <hao.a.wu@intel.com> Reviewed-by: Jian J Wang <jian.j.wang@intel.com>
107 lines
3.9 KiB
C
107 lines
3.9 KiB
C
/** @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;
|
|
}
|
|
|