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