4824924377
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3993 Add FSP-I API entry point for SMM support. Also update 64bit API entry code to assign ApiIdx to RAX to avoid confusion. Cc: Nate DeSimone <nathaniel.l.desimone@intel.com> Cc: Star Zeng <star.zeng@intel.com> Signed-off-by: Chasel Chiu <chasel.chiu@intel.com> Signed-off-by: Hongbin1 Zhang <hongbin1.zhang@intel.com> Reviewed-by: Nate DeSimone <nathaniel.l.desimone@intel.com>
104 lines
2.9 KiB
C
104 lines
2.9 KiB
C
/** @file
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Copyright (c) 2016 - 2022, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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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) || ((UINTN)FspData == MAX_ADDRESS) || ((UINTN)FspData == MAX_UINT32)) {
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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 (((UINTN)FspData != MAX_ADDRESS) && ((UINTN)FspData != MAX_UINT32)) {
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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) || ((UINTN)FspData == MAX_ADDRESS) || ((UINTN)FspData == MAX_UINT32)) {
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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) || (ApiIdx == FspMultiPhaseSiInitApiIndex)) {
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//
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// FspSiliconInit check
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//
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if ((FspData == NULL) || ((UINTN)FspData == MAX_ADDRESS) || ((UINTN)FspData == MAX_UINT32)) {
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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 (FspSiliconInitApiIndex, ApiParam))) {
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Status = EFI_INVALID_PARAMETER;
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}
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}
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} else if (ApiIdx == FspSmmInitApiIndex) {
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//
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// FspSmmInitApiIndex check
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//
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if ((FspData == NULL) || ((UINTN)FspData == MAX_ADDRESS) || ((UINTN)FspData == MAX_UINT32)) {
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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 (FspSmmInitApiIndex, 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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