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cf1d4549 JY |
1 | /** @file\r |
2 | \r | |
630df8c8 | 3 | Copyright (c) 2016 - 2022, Intel Corporation. All rights reserved.<BR>\r |
9672cd30 | 4 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
cf1d4549 JY |
5 | \r |
6 | **/\r | |
7 | \r | |
8 | #include "SecFsp.h"\r | |
9 | \r | |
cf1d4549 JY |
10 | /**\r |
11 | This function check the FSP API calling condition.\r | |
12 | \r | |
13 | @param[in] ApiIdx Internal index of the FSP API.\r | |
14 | @param[in] ApiParam Parameter of the FSP API.\r | |
15 | \r | |
16 | **/\r | |
17 | EFI_STATUS\r | |
18 | EFIAPI\r | |
19 | FspApiCallingCheck (\r | |
111f2228 MK |
20 | IN UINT8 ApiIdx,\r |
21 | IN VOID *ApiParam\r | |
cf1d4549 JY |
22 | )\r |
23 | {\r | |
111f2228 MK |
24 | EFI_STATUS Status;\r |
25 | FSP_GLOBAL_DATA *FspData;\r | |
cf1d4549 | 26 | \r |
111f2228 | 27 | Status = EFI_SUCCESS;\r |
cf1d4549 | 28 | FspData = GetFspGlobalDataPointer ();\r |
e37bb20c | 29 | \r |
cf1d4549 JY |
30 | if (ApiIdx == NotifyPhaseApiIndex) {\r |
31 | //\r | |
32 | // NotifyPhase check\r | |
33 | //\r | |
630df8c8 | 34 | if ((FspData == NULL) || ((UINTN)FspData == MAX_ADDRESS) || ((UINTN)FspData == MAX_UINT32)) {\r |
cf1d4549 JY |
35 | Status = EFI_UNSUPPORTED;\r |
36 | } else {\r | |
37 | if (FspData->Signature != FSP_GLOBAL_DATA_SIGNATURE) {\r | |
38 | Status = EFI_UNSUPPORTED;\r | |
39 | }\r | |
40 | }\r | |
41 | } else if (ApiIdx == FspMemoryInitApiIndex) {\r | |
42 | //\r | |
43 | // FspMemoryInit check\r | |
44 | //\r | |
630df8c8 | 45 | if (((UINTN)FspData != MAX_ADDRESS) && ((UINTN)FspData != MAX_UINT32)) {\r |
cf1d4549 JY |
46 | Status = EFI_UNSUPPORTED;\r |
47 | } else if (EFI_ERROR (FspUpdSignatureCheck (ApiIdx, ApiParam))) {\r | |
48 | Status = EFI_INVALID_PARAMETER;\r | |
49 | }\r | |
50 | } else if (ApiIdx == TempRamExitApiIndex) {\r | |
51 | //\r | |
52 | // TempRamExit check\r | |
53 | //\r | |
630df8c8 | 54 | if ((FspData == NULL) || ((UINTN)FspData == MAX_ADDRESS) || ((UINTN)FspData == MAX_UINT32)) {\r |
cf1d4549 JY |
55 | Status = EFI_UNSUPPORTED;\r |
56 | } else {\r | |
57 | if (FspData->Signature != FSP_GLOBAL_DATA_SIGNATURE) {\r | |
58 | Status = EFI_UNSUPPORTED;\r | |
59 | }\r | |
60 | }\r | |
f2cdb268 | 61 | } else if ((ApiIdx == FspSiliconInitApiIndex) || (ApiIdx == FspMultiPhaseSiInitApiIndex)) {\r |
cf1d4549 JY |
62 | //\r |
63 | // FspSiliconInit check\r | |
64 | //\r | |
630df8c8 | 65 | if ((FspData == NULL) || ((UINTN)FspData == MAX_ADDRESS) || ((UINTN)FspData == MAX_UINT32)) {\r |
cf1d4549 JY |
66 | Status = EFI_UNSUPPORTED;\r |
67 | } else {\r | |
68 | if (FspData->Signature != FSP_GLOBAL_DATA_SIGNATURE) {\r | |
69 | Status = EFI_UNSUPPORTED;\r | |
f2cdb268 | 70 | } else if (EFI_ERROR (FspUpdSignatureCheck (FspSiliconInitApiIndex, ApiParam))) {\r |
cf1d4549 JY |
71 | Status = EFI_INVALID_PARAMETER;\r |
72 | }\r | |
73 | }\r | |
74 | } else {\r | |
75 | Status = EFI_UNSUPPORTED;\r | |
76 | }\r | |
77 | \r | |
78 | if (!EFI_ERROR (Status)) {\r | |
79 | if ((ApiIdx != FspMemoryInitApiIndex)) {\r | |
80 | //\r | |
81 | // For FspMemoryInit, the global data is not valid yet\r | |
82 | // The API index will be updated by SecCore after the global data\r | |
83 | // is initialized\r | |
84 | //\r | |
85 | SetFspApiCallingIndex (ApiIdx);\r | |
86 | }\r | |
87 | }\r | |
e37bb20c | 88 | \r |
cf1d4549 JY |
89 | return Status;\r |
90 | }\r |