mirror of https://github.com/acidanthera/audk.git
98 lines
2.6 KiB
C
98 lines
2.6 KiB
C
/** @file
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Copyright (c) 2016 - 2018, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php.
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include "SecFsp.h"
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/**
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This function check the FSP API calling condition.
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@param[in] ApiIdx Internal index of the FSP API.
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@param[in] ApiParam Parameter of the FSP API.
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**/
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EFI_STATUS
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EFIAPI
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FspApiCallingCheck (
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IN UINT8 ApiIdx,
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IN VOID *ApiParam
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)
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{
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EFI_STATUS Status;
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FSP_GLOBAL_DATA *FspData;
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Status = EFI_SUCCESS;
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FspData = GetFspGlobalDataPointer ();
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if (ApiIdx == NotifyPhaseApiIndex) {
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//
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// NotifyPhase check
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//
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if ((FspData == NULL) || ((UINT32)FspData == 0xFFFFFFFF)) {
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Status = EFI_UNSUPPORTED;
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} else {
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if (FspData->Signature != FSP_GLOBAL_DATA_SIGNATURE) {
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Status = EFI_UNSUPPORTED;
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}
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}
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} else if (ApiIdx == FspMemoryInitApiIndex) {
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//
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// FspMemoryInit check
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//
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if ((UINT32)FspData != 0xFFFFFFFF) {
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Status = EFI_UNSUPPORTED;
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} else if (EFI_ERROR (FspUpdSignatureCheck (ApiIdx, ApiParam))) {
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Status = EFI_INVALID_PARAMETER;
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}
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} else if (ApiIdx == TempRamExitApiIndex) {
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//
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// TempRamExit check
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//
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if ((FspData == NULL) || ((UINT32)FspData == 0xFFFFFFFF)) {
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Status = EFI_UNSUPPORTED;
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} else {
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if (FspData->Signature != FSP_GLOBAL_DATA_SIGNATURE) {
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Status = EFI_UNSUPPORTED;
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}
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}
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} else if (ApiIdx == FspSiliconInitApiIndex) {
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//
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// FspSiliconInit check
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//
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if ((FspData == NULL) || ((UINT32)FspData == 0xFFFFFFFF)) {
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Status = EFI_UNSUPPORTED;
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} else {
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if (FspData->Signature != FSP_GLOBAL_DATA_SIGNATURE) {
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Status = EFI_UNSUPPORTED;
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} else if (EFI_ERROR (FspUpdSignatureCheck (ApiIdx, ApiParam))) {
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Status = EFI_INVALID_PARAMETER;
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}
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}
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} else {
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Status = EFI_UNSUPPORTED;
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}
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if (!EFI_ERROR (Status)) {
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if ((ApiIdx != FspMemoryInitApiIndex)) {
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//
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// For FspMemoryInit, the global data is not valid yet
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// The API index will be updated by SecCore after the global data
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// is initialized
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//
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SetFspApiCallingIndex (ApiIdx);
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}
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}
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return Status;
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}
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