projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| cf1d4549 JY |
1 | /** @file\r |
| 2 | \r | |
| 3 | Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>\r | |
| 4 | This program and the accompanying materials\r | |
| 5 | are licensed and made available under the terms and conditions of the BSD License\r | |
| 6 | which accompanies this distribution. The full text of the license may be found at\r | |
| 7 | http://opensource.org/licenses/bsd-license.php.\r | |
| 8 | \r | |
| 9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
| 10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| 11 | \r | |
| 12 | **/\r | |
| 13 | \r | |
| 14 | #include "SecFsp.h"\r | |
| 15 | \r | |
| 16 | \r | |
| 17 | /**\r | |
| 18 | This function check the FSP API calling condition.\r | |
| 19 | \r | |
| 20 | @param[in] ApiIdx Internal index of the FSP API.\r | |
| 21 | @param[in] ApiParam Parameter of the FSP API.\r | |
| 22 | \r | |
| 23 | **/\r | |
| 24 | EFI_STATUS\r | |
| 25 | EFIAPI\r | |
| 26 | FspApiCallingCheck (\r | |
| 27 | IN UINT8 ApiIdx,\r | |
| 28 | IN VOID *ApiParam\r | |
| 29 | )\r | |
| 30 | {\r | |
| 31 | EFI_STATUS Status;\r | |
| 32 | FSP_GLOBAL_DATA *FspData;\r | |
| 33 | \r | |
| 34 | Status = EFI_SUCCESS;\r | |
| 35 | FspData = GetFspGlobalDataPointer ();\r | |
| 36 | \r | |
| 37 | if (ApiIdx == NotifyPhaseApiIndex) {\r | |
| 38 | //\r | |
| 39 | // NotifyPhase check\r | |
| 40 | //\r | |
| 41 | if ((FspData == NULL) || ((UINT32)FspData == 0xFFFFFFFF)) {\r | |
| 42 | Status = EFI_UNSUPPORTED;\r | |
| 43 | } else {\r | |
| 44 | if (FspData->Signature != FSP_GLOBAL_DATA_SIGNATURE) {\r | |
| 45 | Status = EFI_UNSUPPORTED;\r | |
| 46 | }\r | |
| 47 | }\r | |
| 48 | } else if (ApiIdx == FspMemoryInitApiIndex) {\r | |
| 49 | //\r | |
| 50 | // FspMemoryInit check\r | |
| 51 | //\r | |
| 52 | if ((UINT32)FspData != 0xFFFFFFFF) {\r | |
| 53 | Status = EFI_UNSUPPORTED;\r | |
| 54 | } else if (EFI_ERROR (FspUpdSignatureCheck (ApiIdx, ApiParam))) {\r | |
| 55 | Status = EFI_INVALID_PARAMETER;\r | |
| 56 | }\r | |
| 57 | } else if (ApiIdx == TempRamExitApiIndex) {\r | |
| 58 | //\r | |
| 59 | // TempRamExit check\r | |
| 60 | //\r | |
| 61 | if ((FspData == NULL) || ((UINT32)FspData == 0xFFFFFFFF)) {\r | |
| 62 | Status = EFI_UNSUPPORTED;\r | |
| 63 | } else {\r | |
| 64 | if (FspData->Signature != FSP_GLOBAL_DATA_SIGNATURE) {\r | |
| 65 | Status = EFI_UNSUPPORTED;\r | |
| 66 | }\r | |
| 67 | }\r | |
| 68 | } else if (ApiIdx == FspSiliconInitApiIndex) {\r | |
| 69 | //\r | |
| 70 | // FspSiliconInit check\r | |
| 71 | //\r | |
| 72 | if ((FspData == NULL) || ((UINT32)FspData == 0xFFFFFFFF)) {\r | |
| 73 | Status = EFI_UNSUPPORTED;\r | |
| 74 | } else {\r | |
| 75 | if (FspData->Signature != FSP_GLOBAL_DATA_SIGNATURE) {\r | |
| 76 | Status = EFI_UNSUPPORTED;\r | |
| 77 | } else if (EFI_ERROR (FspUpdSignatureCheck (ApiIdx, ApiParam))) {\r | |
| 78 | Status = EFI_INVALID_PARAMETER;\r | |
| 79 | }\r | |
| 80 | }\r | |
| 81 | } else {\r | |
| 82 | Status = EFI_UNSUPPORTED;\r | |
| 83 | }\r | |
| 84 | \r | |
| 85 | if (!EFI_ERROR (Status)) {\r | |
| 86 | if ((ApiIdx != FspMemoryInitApiIndex)) {\r | |
| 87 | //\r | |
| 88 | // For FspMemoryInit, the global data is not valid yet\r | |
| 89 | // The API index will be updated by SecCore after the global data\r | |
| 90 | // is initialized\r | |
| 91 | //\r | |
| 92 | SetFspApiCallingIndex (ApiIdx);\r | |
| 93 | }\r | |
| 94 | }\r | |
| 95 | \r | |
| 96 | return Status;\r | |
| 97 | }\r |