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/** @file
Copyright (c) 2016 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "SecFsp.h"
/**
This function check the FSP API calling condition.
@param[in] ApiIdx Internal index of the FSP API.
@param[in] ApiParam Parameter of the FSP API.
**/
EFI_STATUS
EFIAPI
FspApiCallingCheck (
IN UINT8 ApiIdx,
IN VOID *ApiParam
)
{
EFI_STATUS Status;
FSP_GLOBAL_DATA *FspData;
Status = EFI_SUCCESS;
FspData = GetFspGlobalDataPointer ();
if (ApiIdx == NotifyPhaseApiIndex) {
//
// NotifyPhase check
//
if ((FspData == NULL) || ((UINT32)FspData == 0xFFFFFFFF)) {
Status = EFI_UNSUPPORTED;
} else {
if (FspData->Signature != FSP_GLOBAL_DATA_SIGNATURE) {
Status = EFI_UNSUPPORTED;
}
}
} else if (ApiIdx == FspMemoryInitApiIndex) {
//
// FspMemoryInit check
//
if ((UINT32)FspData != 0xFFFFFFFF) {
Status = EFI_UNSUPPORTED;
} else if (EFI_ERROR (FspUpdSignatureCheck (ApiIdx, ApiParam))) {
Status = EFI_INVALID_PARAMETER;
}
} else if (ApiIdx == TempRamExitApiIndex) {
//
// TempRamExit check
//
if ((FspData == NULL) || ((UINT32)FspData == 0xFFFFFFFF)) {
Status = EFI_UNSUPPORTED;
} else {
if (FspData->Signature != FSP_GLOBAL_DATA_SIGNATURE) {
Status = EFI_UNSUPPORTED;
}
}
} else if (ApiIdx == FspSiliconInitApiIndex) {
//
// FspSiliconInit check
//
if ((FspData == NULL) || ((UINT32)FspData == 0xFFFFFFFF)) {
Status = EFI_UNSUPPORTED;
} else {
if (FspData->Signature != FSP_GLOBAL_DATA_SIGNATURE) {
Status = EFI_UNSUPPORTED;
} else if (EFI_ERROR (FspUpdSignatureCheck (ApiIdx, ApiParam))) {
Status = EFI_INVALID_PARAMETER;
}
}
} else {
Status = EFI_UNSUPPORTED;
}
if (!EFI_ERROR (Status)) {
if ((ApiIdx != FspMemoryInitApiIndex)) {
//
// For FspMemoryInit, the global data is not valid yet
// The API index will be updated by SecCore after the global data
// is initialized
//
SetFspApiCallingIndex (ApiIdx);
}
}
return Status;
}
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