projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| cf17156d MX |
1 | /** @file\r |
| 2 | Initialize Intel TDX support.\r | |
| 3 | \r | |
| 4 | Copyright (c) 2021, Intel Corporation. All rights reserved.<BR>\r | |
| 5 | \r | |
| 6 | SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
| 7 | \r | |
| 8 | **/\r | |
| 9 | \r | |
| 10 | #include <PiPei.h>\r | |
| 11 | #include <Library/BaseLib.h>\r | |
| 12 | #include <Library/DebugLib.h>\r | |
| 13 | #include <Library/HobLib.h>\r | |
| 14 | #include <Library/BaseMemoryLib.h>\r | |
| 15 | #include <Library/MemoryAllocationLib.h>\r | |
| 16 | #include <IndustryStandard/Tdx.h>\r | |
| 17 | #include <IndustryStandard/QemuFwCfg.h>\r | |
| 18 | #include <Library/QemuFwCfgLib.h>\r | |
| 19 | #include <Library/PeiServicesLib.h>\r | |
| 20 | #include <Library/TdxLib.h>\r | |
| 21 | #include <Library/PlatformInitLib.h>\r | |
| 22 | #include <WorkArea.h>\r | |
| 23 | #include <ConfidentialComputingGuestAttr.h>\r | |
| 24 | #include "Platform.h"\r | |
| 25 | \r | |
| 26 | /**\r | |
| 27 | This Function checks if TDX is available, if present then it sets\r | |
| 28 | the dynamic PCDs for Tdx guest.\r | |
| 29 | **/\r | |
| 30 | VOID\r | |
| 31 | IntelTdxInitialize (\r | |
| 32 | VOID\r | |
| 33 | )\r | |
| 34 | {\r | |
| 35 | #ifdef MDE_CPU_X64\r | |
| 36 | RETURN_STATUS PcdStatus;\r | |
| 37 | \r | |
| 38 | if (!TdIsEnabled ()) {\r | |
| 39 | return;\r | |
| 40 | }\r | |
| 41 | \r | |
| 42 | PcdStatus = PcdSet64S (PcdConfidentialComputingGuestAttr, CCAttrIntelTdx);\r | |
| 43 | ASSERT_RETURN_ERROR (PcdStatus);\r | |
| 44 | \r | |
| 45 | PcdStatus = PcdSet64S (PcdTdxSharedBitMask, TdSharedPageMask ());\r | |
| 46 | ASSERT_RETURN_ERROR (PcdStatus);\r | |
| 47 | \r | |
| 48 | PcdStatus = PcdSetBoolS (PcdSetNxForStack, TRUE);\r | |
| 49 | ASSERT_RETURN_ERROR (PcdStatus);\r | |
| 50 | #endif\r | |
| 51 | }\r |