mirror of https://github.com/acidanthera/audk.git
71 lines
1.4 KiB
C
71 lines
1.4 KiB
C
/** @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;
|
|
}
|
|
|
|
|
|
|
|
|
|
|