| | 1 | /** @file\r |
| | 2 | HOB Library implementation for Standalone MM Core.\r |
| | 3 | \r |
| | 4 | Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>\r |
| | 5 | Copyright (c) 2017 - 2018, ARM Limited. All rights reserved.<BR>\r |
| | 6 | \r |
| | 7 | This program and the accompanying materials\r |
| | 8 | are licensed and made available under the terms and conditions of the BSD License\r |
| | 9 | which accompanies this distribution. The full text of the license may be found at\r |
| | 10 | http://opensource.org/licenses/bsd-license.php.\r |
| | 11 | \r |
| | 12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
| | 13 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r |
| | 14 | \r |
| | 15 | **/\r |
| | 16 | \r |
| | 17 | #include <PiMm.h>\r |
| | 18 | \r |
| | 19 | #include <Library/HobLib.h>\r |
| | 20 | #include <Library/DebugLib.h>\r |
| | 21 | #include <Library/BaseMemoryLib.h>\r |
| | 22 | \r |
| | 23 | #include <Guid/MemoryAllocationHob.h>\r |
| | 24 | \r |
| | 25 | //\r |
| | 26 | // Cache copy of HobList pointer.\r |
| | 27 | //\r |
| | 28 | extern VOID *gHobList;\r |
| | 29 | \r |
| | 30 | EFI_HOB_HANDOFF_INFO_TABLE*\r |
| | 31 | HobConstructor (\r |
| | 32 | IN VOID *EfiMemoryBegin,\r |
| | 33 | IN UINTN EfiMemoryLength,\r |
| | 34 | IN VOID *EfiFreeMemoryBottom,\r |
| | 35 | IN VOID *EfiFreeMemoryTop\r |
| | 36 | )\r |
| | 37 | {\r |
| | 38 | EFI_HOB_HANDOFF_INFO_TABLE *Hob;\r |
| | 39 | EFI_HOB_GENERIC_HEADER *HobEnd;\r |
| | 40 | \r |
| | 41 | Hob = EfiFreeMemoryBottom;\r |
| | 42 | HobEnd = (EFI_HOB_GENERIC_HEADER *)(Hob+1);\r |
| | 43 | \r |
| | 44 | Hob->Header.HobType = EFI_HOB_TYPE_HANDOFF;\r |
| | 45 | Hob->Header.HobLength = sizeof (EFI_HOB_HANDOFF_INFO_TABLE);\r |
| | 46 | Hob->Header.Reserved = 0;\r |
| | 47 | \r |
| | 48 | HobEnd->HobType = EFI_HOB_TYPE_END_OF_HOB_LIST;\r |
| | 49 | HobEnd->HobLength = sizeof (EFI_HOB_GENERIC_HEADER);\r |
| | 50 | HobEnd->Reserved = 0;\r |
| | 51 | \r |
| | 52 | Hob->Version = EFI_HOB_HANDOFF_TABLE_VERSION;\r |
| | 53 | Hob->BootMode = BOOT_WITH_FULL_CONFIGURATION;\r |
| | 54 | \r |
| | 55 | Hob->EfiMemoryTop = (UINTN)EfiMemoryBegin + EfiMemoryLength;\r |
| | 56 | Hob->EfiMemoryBottom = (UINTN)EfiMemoryBegin;\r |
| | 57 | Hob->EfiFreeMemoryTop = (UINTN)EfiFreeMemoryTop;\r |
| | 58 | Hob->EfiFreeMemoryBottom = (EFI_PHYSICAL_ADDRESS)(UINTN)(HobEnd+1);\r |
| | 59 | Hob->EfiEndOfHobList = (EFI_PHYSICAL_ADDRESS)(UINTN)HobEnd;\r |
| | 60 | \r |
| | 61 | gHobList = Hob;\r |
| | 62 | \r |
| | 63 | return Hob;\r |
| | 64 | }\r |
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