| 1 | /** @file\r |
| 2 | \r |
| 3 | Copyright (c) 2014, 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 <PiPei.h>\r |
| 15 | #include <Library/BaseLib.h>\r |
| 16 | #include <Library/BaseMemoryLib.h>\r |
| 17 | #include <Library/DebugLib.h>\r |
| 18 | #include <Library/PcdLib.h>\r |
| 19 | #include <Library/HobLib.h>\r |
| 20 | #include <Library/PeiServicesLib.h>\r |
| 21 | #include <Library/FspCommonLib.h>\r |
| 22 | #include <Guid/GuidHobFsp.h>\r |
| 23 | #include <FspGlobalData.h>\r |
| 24 | #include <FspApi.h>\r |
| 25 | \r |
| 26 | /**\r |
| 27 | Get system memory from HOB.\r |
| 28 | \r |
| 29 | @param[in,out] LowMemoryLength less than 4G memory length\r |
| 30 | @param[in,out] HighMemoryLength greater than 4G memory length\r |
| 31 | **/\r |
| 32 | VOID\r |
| 33 | EFIAPI\r |
| 34 | FspGetSystemMemorySize (\r |
| 35 | IN OUT UINT64 *LowMemoryLength,\r |
| 36 | IN OUT UINT64 *HighMemoryLength\r |
| 37 | )\r |
| 38 | {\r |
| 39 | EFI_PEI_HOB_POINTERS Hob;\r |
| 40 | \r |
| 41 | *HighMemoryLength = 0;\r |
| 42 | *LowMemoryLength = SIZE_1MB;\r |
| 43 | //\r |
| 44 | // Get the HOB list for processing\r |
| 45 | //\r |
| 46 | Hob.Raw = GetHobList ();\r |
| 47 | \r |
| 48 | //\r |
| 49 | // Collect memory ranges\r |
| 50 | //\r |
| 51 | while (!END_OF_HOB_LIST (Hob)) {\r |
| 52 | if (Hob.Header->HobType == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r |
| 53 | if (Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY) {\r |
| 54 | //\r |
| 55 | // Need memory above 1MB to be collected here\r |
| 56 | //\r |
| 57 | if (Hob.ResourceDescriptor->PhysicalStart >= BASE_1MB &&\r |
| 58 | Hob.ResourceDescriptor->PhysicalStart < (EFI_PHYSICAL_ADDRESS) BASE_4GB) {\r |
| 59 | *LowMemoryLength += (UINT64) (Hob.ResourceDescriptor->ResourceLength);\r |
| 60 | } else if (Hob.ResourceDescriptor->PhysicalStart >= (EFI_PHYSICAL_ADDRESS) BASE_4GB) {\r |
| 61 | *HighMemoryLength += (UINT64) (Hob.ResourceDescriptor->ResourceLength);\r |
| 62 | }\r |
| 63 | }\r |
| 64 | }\r |
| 65 | Hob.Raw = GET_NEXT_HOB (Hob);\r |
| 66 | }\r |
| 67 | }\r |
| 68 | \r |
| 69 | /**\r |
| 70 | Migrate bootloader data before destroying CAR.\r |
| 71 | \r |
| 72 | **/\r |
| 73 | VOID\r |
| 74 | EFIAPI\r |
| 75 | FspMigrateTemporaryMemory (\r |
| 76 | VOID\r |
| 77 | )\r |
| 78 | {\r |
| 79 | FSP_INIT_RT_COMMON_BUFFER *FspInitRtBuffer;\r |
| 80 | UINT32 BootLoaderTempRamStart;\r |
| 81 | UINT32 BootLoaderTempRamEnd;\r |
| 82 | UINT32 BootLoaderTempRamSize;\r |
| 83 | UINT32 OffsetGap;\r |
| 84 | UINT32 FspParamPtr;\r |
| 85 | FSP_INIT_PARAMS *FspInitParams;\r |
| 86 | UINT32 *NewStackTop;\r |
| 87 | VOID *BootLoaderTempRamHob;\r |
| 88 | VOID *UpdDataRgnPtr;\r |
| 89 | VOID *PlatformDataPtr;\r |
| 90 | \r |
| 91 | //\r |
| 92 | // Get the temporary memory range used by the bootloader\r |
| 93 | //\r |
| 94 | BootLoaderTempRamStart = PcdGet32(PcdTemporaryRamBase);\r |
| 95 | BootLoaderTempRamSize = PcdGet32(PcdTemporaryRamSize) - PcdGet32(PcdFspTemporaryRamSize);\r |
| 96 | BootLoaderTempRamEnd = BootLoaderTempRamStart + BootLoaderTempRamSize;\r |
| 97 | \r |
| 98 | //\r |
| 99 | // Build a Boot Loader Temporary Memory GUID HOB\r |
| 100 | //\r |
| 101 | BootLoaderTempRamHob = BuildGuidHob (&gFspBootLoaderTemporaryMemoryGuid, BootLoaderTempRamSize);\r |
| 102 | CopyMem (BootLoaderTempRamHob, (VOID *)BootLoaderTempRamStart, BootLoaderTempRamSize);\r |
| 103 | OffsetGap = (UINT32)BootLoaderTempRamHob - BootLoaderTempRamStart;\r |
| 104 | \r |
| 105 | //\r |
| 106 | // Set a new stack frame for the continuation function\r |
| 107 | //\r |
| 108 | FspInitParams = (FSP_INIT_PARAMS *)GetFspApiParameter ();\r |
| 109 | FspInitRtBuffer = (FSP_INIT_RT_COMMON_BUFFER *)FspInitParams->RtBufferPtr;\r |
| 110 | NewStackTop = (UINT32 *)FspInitRtBuffer->StackTop - 1;\r |
| 111 | SetFspCoreStackPointer (NewStackTop);\r |
| 112 | \r |
| 113 | //\r |
| 114 | // Fix the FspInit Parameter Pointers to the new location.\r |
| 115 | //\r |
| 116 | FspParamPtr = GetFspApiParameter ();\r |
| 117 | if (FspParamPtr >= BootLoaderTempRamStart && FspParamPtr < BootLoaderTempRamEnd) {\r |
| 118 | SetFspApiParameter(FspParamPtr + OffsetGap);\r |
| 119 | }\r |
| 120 | \r |
| 121 | FspInitParams = (FSP_INIT_PARAMS *)GetFspApiParameter ();\r |
| 122 | if ((UINT32)(FspInitParams->RtBufferPtr) >= BootLoaderTempRamStart &&\r |
| 123 | (UINT32)(FspInitParams->RtBufferPtr) < BootLoaderTempRamEnd) {\r |
| 124 | FspInitParams->RtBufferPtr = (VOID *)((UINT32)(FspInitParams->RtBufferPtr) + OffsetGap);\r |
| 125 | }\r |
| 126 | \r |
| 127 | if ((UINT32)(FspInitParams->NvsBufferPtr) >= BootLoaderTempRamStart &&\r |
| 128 | (UINT32)(FspInitParams->NvsBufferPtr) < BootLoaderTempRamEnd) {\r |
| 129 | FspInitParams->NvsBufferPtr = (VOID *)((UINT32)(FspInitParams->NvsBufferPtr) + OffsetGap);\r |
| 130 | }\r |
| 131 | \r |
| 132 | if ((UINT32)(((FSP_INIT_RT_COMMON_BUFFER *)(FspInitParams->RtBufferPtr))->UpdDataRgnPtr) >= BootLoaderTempRamStart &&\r |
| 133 | (UINT32)(((FSP_INIT_RT_COMMON_BUFFER *)(FspInitParams->RtBufferPtr))->UpdDataRgnPtr) < BootLoaderTempRamEnd) {\r |
| 134 | ((FSP_INIT_RT_COMMON_BUFFER *)(FspInitParams->RtBufferPtr))->UpdDataRgnPtr = \\r |
| 135 | (VOID *)((UINT32)(((FSP_INIT_RT_COMMON_BUFFER *)(FspInitParams->RtBufferPtr))->UpdDataRgnPtr) + OffsetGap);\r |
| 136 | }\r |
| 137 | \r |
| 138 | //\r |
| 139 | // Update UPD pointer in FSP Global Data\r |
| 140 | //\r |
| 141 | UpdDataRgnPtr = ((FSP_INIT_RT_COMMON_BUFFER *)FspInitParams->RtBufferPtr)->UpdDataRgnPtr;\r |
| 142 | if (UpdDataRgnPtr != NULL) {\r |
| 143 | SetFspUpdDataPointer (UpdDataRgnPtr);\r |
| 144 | }\r |
| 145 | \r |
| 146 | //\r |
| 147 | // Update Platform data pointer in FSP Global Data\r |
| 148 | //\r |
| 149 | PlatformDataPtr = GetFspPlatformDataPointer ();\r |
| 150 | if (((UINT32)PlatformDataPtr >= BootLoaderTempRamStart) &&\r |
| 151 | ((UINT32)PlatformDataPtr < BootLoaderTempRamEnd)) {\r |
| 152 | SetFspPlatformDataPointer ((UINT8 *)PlatformDataPtr + OffsetGap);\r |
| 153 | }\r |
| 154 | \r |
| 155 | }\r |