diff options
Diffstat (limited to 'EdkCompatibilityPkg/Compatibility/SmmControl2OnSmmControlThunk/SmmControl2OnSmmControlThunk.c')
| -rw-r--r-- | EdkCompatibilityPkg/Compatibility/SmmControl2OnSmmControlThunk/SmmControl2OnSmmControlThunk.c | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/EdkCompatibilityPkg/Compatibility/SmmControl2OnSmmControlThunk/SmmControl2OnSmmControlThunk.c b/EdkCompatibilityPkg/Compatibility/SmmControl2OnSmmControlThunk/SmmControl2OnSmmControlThunk.c deleted file mode 100644 index 651d194209..0000000000 --- a/EdkCompatibilityPkg/Compatibility/SmmControl2OnSmmControlThunk/SmmControl2OnSmmControlThunk.c +++ /dev/null @@ -1,165 +0,0 @@ -/** @file
- SMM Control2 Protocol on SMM Control Protocol Thunk driver.
-
- Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
- This program and the accompanying materials
- are licensed and made available under the terms and conditions of the BSD License
- which accompanies this distribution. The full text of the license may be found at
- http://opensource.org/licenses/bsd-license.php
-
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
-**/
-
-#include "SmmControl2OnSmmControlThunk.h"
-
-EFI_SMM_CONTROL2_PROTOCOL gSmmControl2 = {
- SmmControl2Trigger,
- SmmControl2Clear,
- 0
-};
-
-EFI_SMM_CONTROL_PROTOCOL *mSmmControl;
-UINT8 mDataPort;
-
-/**
- Invokes SMI activation from either the preboot or runtime environment.
-
- This function generates an SMI.
-
- @param[in] This The EFI_SMM_CONTROL2_PROTOCOL instance.
- @param[in, out] CommandPort The value written to the command port.
- @param[in, out] DataPort The value written to the data port.
- @param[in] Periodic Optional mechanism to engender a periodic stream.
- @param[in] ActivationInterval Optional parameter to repeat at this period one
- time or, if the Periodic Boolean is set, periodically.
-
- @retval EFI_SUCCESS The SMI/PMI has been engendered.
- @retval EFI_DEVICE_ERROR The timing is unsupported.
- @retval EFI_INVALID_PARAMETER The activation period is unsupported.
- @retval EFI_INVALID_PARAMETER The last periodic activation has not been cleared.
- @retval EFI_NOT_STARTED The SMM base service has not been initialized.
-**/
-EFI_STATUS
-EFIAPI
-SmmControl2Trigger (
- IN CONST EFI_SMM_CONTROL2_PROTOCOL *This,
- IN OUT UINT8 *CommandPort OPTIONAL,
- IN OUT UINT8 *DataPort OPTIONAL,
- IN BOOLEAN Periodic OPTIONAL,
- IN UINTN ActivationInterval OPTIONAL
- )
-{
- UINTN ArgumentBufferSize;
-
- ArgumentBufferSize = 0;
- if (CommandPort != NULL) {
- ArgumentBufferSize = 1;
- }
- if (DataPort != NULL) {
- IoWrite8 (mDataPort, *DataPort);
- }
- return mSmmControl->Trigger (mSmmControl, (INT8 *)CommandPort, &ArgumentBufferSize, Periodic, ActivationInterval);
-}
-
-/**
- Clears any system state that was created in response to the Trigger() call.
-
- This function acknowledges and causes the deassertion of the SMI activation source.
-
- @param[in] This The EFI_SMM_CONTROL2_PROTOCOL instance.
- @param[in] Periodic Optional parameter to repeat at this period one time
-
- @retval EFI_SUCCESS The SMI/PMI has been engendered.
- @retval EFI_DEVICE_ERROR The source could not be cleared.
- @retval EFI_INVALID_PARAMETER The service did not support the Periodic input argument.
-**/
-EFI_STATUS
-EFIAPI
-SmmControl2Clear (
- IN CONST EFI_SMM_CONTROL2_PROTOCOL *This,
- IN BOOLEAN Periodic OPTIONAL
- )
-{
- return mSmmControl->Clear (mSmmControl, Periodic);
-}
-
-/**
- Notification function of EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE.
-
- This is a notification function registered on EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE event.
- It convers pointer to new virtual address.
-
- @param[in] Event Event whose notification function is being invoked.
- @param[in] Context Pointer to the notification function's context.
-
-**/
-VOID
-EFIAPI
-SetVirtualAddressNotify (
- IN EFI_EVENT Event,
- IN VOID *Context
- )
-{
- EfiConvertPointer (0x0, (VOID **)&mSmmControl);
-}
-
-/**
- Entry Point for this thunk driver.
-
- @param[in] ImageHandle Image handle of this driver.
- @param[in] SystemTable A Pointer to the EFI System Table.
-
- @retval EFI_SUCCESS The entry point is executed successfully.
- @retval other Some error occurred when executing this entry point.
-**/
-EFI_STATUS
-EFIAPI
-SmmControl2ThunkMain (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-{
- EFI_STATUS Status;
- EFI_EVENT Event;
- EFI_SMM_CONTROL_REGISTER RegisterInfo;
-
- ///
- /// Locate Framework SMM Control Protocol
- ///
- Status = gBS->LocateProtocol (&gEfiSmmControlProtocolGuid, NULL, (VOID **)&mSmmControl);
- ASSERT_EFI_ERROR (Status);
-
- gSmmControl2.MinimumTriggerPeriod = mSmmControl->MinimumTriggerPeriod;
-
- Status = mSmmControl->GetRegisterInfo (mSmmControl, &RegisterInfo);
- ASSERT_EFI_ERROR (Status);
- mDataPort = RegisterInfo.SmiDataRegister;
-
- ///
- /// Create event on SetVirtualAddressMap() to convert mSmmControl from a physical address to a virtual address
- ///
- Status = gBS->CreateEventEx (
- EVT_NOTIFY_SIGNAL,
- TPL_NOTIFY,
- SetVirtualAddressNotify,
- NULL,
- &gEfiEventVirtualAddressChangeGuid,
- &Event
- );
-
- ASSERT_EFI_ERROR (Status);
-
- ///
- /// Publish framework SMM Control Protocol
- ///
- Status = gBS->InstallProtocolInterface (
- &ImageHandle,
- &gEfiSmmControl2ProtocolGuid,
- EFI_NATIVE_INTERFACE,
- &gSmmControl2
- );
- return Status;
-}
-
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