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/** @file
Emulator Thunk to abstract OS services from pure EFI code
Copyright (c) 2008 - 2011, Apple Inc. All rights reserved.<BR>
Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include <PiPei.h>
#include <Library/BaseLib.h>
#include <Library/MemoryAllocationLib.h>
UINTN gThunkPpiListSize = 0;
EFI_PEI_PPI_DESCRIPTOR *gThunkPpiList = NULL;
EFI_PEI_PPI_DESCRIPTOR *
GetThunkPpiList (
VOID
)
{
UINTN Index;
if (gThunkPpiList == NULL) {
return NULL;
}
Index = (gThunkPpiListSize/sizeof (EFI_PEI_PPI_DESCRIPTOR)) - 1;
gThunkPpiList[Index].Flags |= EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST;
return gThunkPpiList;
}
EFI_STATUS
EFIAPI
AddThunkPpi (
IN UINTN Flags,
IN EFI_GUID *Guid,
IN VOID *Ppi
)
{
UINTN Index;
gThunkPpiList = ReallocatePool (
gThunkPpiListSize,
gThunkPpiListSize + sizeof (EFI_PEI_PPI_DESCRIPTOR),
gThunkPpiList
);
if (gThunkPpiList == NULL) {
return EFI_OUT_OF_RESOURCES;
}
Index = (gThunkPpiListSize/sizeof (EFI_PEI_PPI_DESCRIPTOR));
gThunkPpiList[Index].Flags = Flags;
gThunkPpiList[Index].Guid = Guid;
gThunkPpiList[Index].Ppi = Ppi;
gThunkPpiListSize += sizeof (EFI_PEI_PPI_DESCRIPTOR);
return EFI_SUCCESS;
}
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