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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:17:27 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:17:27 +0000 |
commit | f215e02bf85f68d3a6106c2a1f4f7f063f819064 (patch) | |
tree | 6bb5b92c046312c4e95ac2620b10ddf482d3fa8b /src/VBox/Devices/EFI/Firmware/MdeModulePkg/Library/SmmSmiHandlerProfileLib/MmSmiHandlerProfileLib.c | |
parent | Initial commit. (diff) | |
download | virtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.tar.xz virtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.zip |
Adding upstream version 7.0.14-dfsg.upstream/7.0.14-dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/VBox/Devices/EFI/Firmware/MdeModulePkg/Library/SmmSmiHandlerProfileLib/MmSmiHandlerProfileLib.c')
-rw-r--r-- | src/VBox/Devices/EFI/Firmware/MdeModulePkg/Library/SmmSmiHandlerProfileLib/MmSmiHandlerProfileLib.c | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Library/SmmSmiHandlerProfileLib/MmSmiHandlerProfileLib.c b/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Library/SmmSmiHandlerProfileLib/MmSmiHandlerProfileLib.c new file mode 100644 index 00000000..5ec94f93 --- /dev/null +++ b/src/VBox/Devices/EFI/Firmware/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; +} + |