/** @file
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Copyright (c) 2014, Applied Micro Curcuit Corporation. All rights reserved.<BR>
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Copyright (c) 2015 - 2020, Hisilicon Limited. All rights reserved.<BR>
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Copyright (c) 2015, Linaro Limited. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include <PiDxe.h>
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#include <Guid/EventGroup.h>
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#include <Protocol/AcpiTable.h>
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#include <Protocol/FirmwareVolume2.h>
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#include <Library/BaseLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Protocol/AcpiSystemDescriptionTable.h>
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#include <Library/DebugLib.h>
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#include <Library/PcdLib.h>
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#include <Library/PrintLib.h>
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#include <Library/DebugLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/UefiRuntimeServicesTableLib.h>
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#include <IndustryStandard/Acpi.h>
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#include <IndustryStandard/AcpiAml.h>
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#include "UpdateDsdt.h"
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EFI_EVENT mUpdateAcpiDsdtTableEvent;
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VOID
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EFIAPI
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UpdateAcpiDsdt (
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IN EFI_EVENT Event,
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IN VOID *Context
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)
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{
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EFI_ACPI_TABLE_PROTOCOL *AcpiTableProtocol;
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EFI_STATUS Status;
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Status = gBS->LocateProtocol (
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&gEfiAcpiTableProtocolGuid,
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NULL,
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(VOID**)&AcpiTableProtocol
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);
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if (EFI_ERROR (Status)) {
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DEBUG ((DEBUG_ERROR, " Unable to locate ACPI table protocol\n"));
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return;
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}
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Status = UpdateAcpiDsdtTable ();
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if (EFI_ERROR (Status)) {
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DEBUG ((DEBUG_ERROR, " UpdateAcpiDsdtTable Failed, Status = %r\n", Status));
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}
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gBS->CloseEvent (Event);
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return;
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}
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EFI_STATUS
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EFIAPI
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AcpiPlatformEntryPoint (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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{
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EFI_STATUS Status;
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//
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// Register notify function
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//
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Status = gBS->CreateEventEx (
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EVT_NOTIFY_SIGNAL,
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TPL_CALLBACK,
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UpdateAcpiDsdt,
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NULL,
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&gEfiEventReadyToBootGuid,
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&mUpdateAcpiDsdtTableEvent
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);
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if (EFI_ERROR (Status)) {
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DEBUG ((DEBUG_ERROR, "Create ReadyToBoot event for UpdateAcpiDsdt failed.\n"));
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} else {
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DEBUG ((DEBUG_INFO, "Create ReadyToBoot event for UpdateAcpiDsdt success.\n"));
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}
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return Status;
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}
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