/**@file | |
Install a callback to do smm relocation. | |
Copyright (c) 2024, Intel Corporation. All rights reserved. | |
SPDX-License-Identifier: BSD-2-Clause-Patent | |
**/ | |
#include <Library/DebugLib.h> | |
#include <Library/PeiServicesLib.h> | |
#include <Library/SmmRelocationLib.h> | |
#include <Ppi/MpServices2.h> | |
#include "Platform.h" | |
/** | |
Notification function called when EDKII_PEI_MP_SERVICES2_PPI becomes available. | |
@param[in] PeiServices Indirect reference to the PEI Services Table. | |
@param[in] NotifyDescriptor Address of the notification descriptor data | |
structure. | |
@param[in] Ppi Address of the PPI that was installed. | |
@return Status of the notification. The status code returned from this | |
function is ignored. | |
**/ | |
STATIC | |
EFI_STATUS | |
EFIAPI | |
OnMpServices2Available ( | |
IN EFI_PEI_SERVICES **PeiServices, | |
IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor, | |
IN VOID *Ppi | |
) | |
{ | |
EDKII_PEI_MP_SERVICES2_PPI *MpServices2; | |
EFI_STATUS Status; | |
DEBUG ((DEBUG_INFO, "%a: %a\n", gEfiCallerBaseName, __func__)); | |
MpServices2 = Ppi; | |
// | |
// Smm Relocation Initialize. | |
// | |
Status = SmmRelocationInit (MpServices2); | |
if (EFI_ERROR (Status)) { | |
DEBUG ((DEBUG_WARN, "OnMpServices2Available: Not able to execute Smm Relocation Init. Status: %r\n", Status)); | |
} | |
return EFI_SUCCESS; | |
} | |
// | |
// Notification object for registering the callback, for when | |
// EDKII_PEI_MP_SERVICES2_PPI becomes available. | |
// | |
STATIC CONST EFI_PEI_NOTIFY_DESCRIPTOR mMpServices2Notify = { | |
EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK | // Flags | |
EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST, | |
&gEdkiiPeiMpServices2PpiGuid, // Guid | |
OnMpServices2Available // Notify | |
}; | |
VOID | |
RelocateSmBase ( | |
VOID | |
) | |
{ | |
EFI_STATUS Status; | |
Status = PeiServicesNotifyPpi (&mMpServices2Notify); | |
if (EFI_ERROR (Status)) { | |
DEBUG (( | |
DEBUG_ERROR, | |
"%a: failed to set up MP Services2 callback: %r\n", | |
__func__, | |
Status | |
)); | |
} | |
} |