--- /dev/null
+/** @file\r
+\r
+ Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>\r
+ This program and the accompanying materials\r
+ are licensed and made available under the terms and conditions of the BSD License\r
+ which accompanies this distribution. The full text of the license may be found at\r
+ http://opensource.org/licenses/bsd-license.php.\r
+\r
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+\r
+**/\r
+\r
+#include <PiPei.h>\r
+#include <Library/BaseLib.h>\r
+#include <Library/BaseMemoryLib.h>\r
+#include <Library/DebugLib.h>\r
+#include <Library/PcdLib.h>\r
+#include <Library/HobLib.h>\r
+#include <Library/PeiServicesLib.h>\r
+#include <Library/FspCommonLib.h>\r
+#include <Guid/GuidHobFsp.h>\r
+#include <FspGlobalData.h>\r
+#include <FspApi.h>\r
+\r
+/**\r
+ Get system memory from HOB.\r
+\r
+ @param[in,out] LowMemoryLength less than 4G memory length\r
+ @param[in,out] HighMemoryLength greater than 4G memory length\r
+**/\r
+VOID\r
+EFIAPI\r
+FspGetSystemMemorySize (\r
+ IN OUT UINT64 *LowMemoryLength,\r
+ IN OUT UINT64 *HighMemoryLength\r
+ )\r
+{\r
+ EFI_PEI_HOB_POINTERS Hob;\r
+\r
+ *HighMemoryLength = 0;\r
+ *LowMemoryLength = SIZE_1MB;\r
+ //\r
+ // Get the HOB list for processing\r
+ //\r
+ Hob.Raw = GetHobList ();\r
+\r
+ //\r
+ // Collect memory ranges\r
+ //\r
+ while (!END_OF_HOB_LIST (Hob)) {\r
+ if (Hob.Header->HobType == EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {\r
+ if (Hob.ResourceDescriptor->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY) {\r
+ //\r
+ // Need memory above 1MB to be collected here\r
+ //\r
+ if (Hob.ResourceDescriptor->PhysicalStart >= BASE_1MB &&\r
+ Hob.ResourceDescriptor->PhysicalStart < (EFI_PHYSICAL_ADDRESS) BASE_4GB) {\r
+ *LowMemoryLength += (UINT64) (Hob.ResourceDescriptor->ResourceLength);\r
+ } else if (Hob.ResourceDescriptor->PhysicalStart >= (EFI_PHYSICAL_ADDRESS) BASE_4GB) {\r
+ *HighMemoryLength += (UINT64) (Hob.ResourceDescriptor->ResourceLength);\r
+ }\r
+ }\r
+ }\r
+ Hob.Raw = GET_NEXT_HOB (Hob);\r
+ }\r
+}\r
+\r
+/**\r
+ Migrate bootloader data before destroying CAR.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+FspMigrateTemporaryMemory (\r
+ VOID\r
+ )\r
+{\r
+ FSP_INIT_RT_COMMON_BUFFER *FspInitRtBuffer;\r
+ UINT32 BootLoaderTempRamStart;\r
+ UINT32 BootLoaderTempRamEnd;\r
+ UINT32 BootLoaderTempRamSize;\r
+ UINT32 OffsetGap;\r
+ UINT32 FspParamPtr;\r
+ FSP_INIT_PARAMS *FspInitParams;\r
+ UINT32 *NewStackTop;\r
+ VOID *BootLoaderTempRamHob;\r
+ VOID *UpdDataRgnPtr;\r
+ VOID *PlatformDataPtr;\r
+\r
+ //\r
+ // Get the temporary memory range used by the bootloader\r
+ //\r
+ BootLoaderTempRamStart = PcdGet32(PcdTemporaryRamBase);\r
+ BootLoaderTempRamSize = PcdGet32(PcdTemporaryRamSize) - PcdGet32(PcdFspTemporaryRamSize);\r
+ BootLoaderTempRamEnd = BootLoaderTempRamStart + BootLoaderTempRamSize;\r
+\r
+ //\r
+ // Build a Boot Loader Temporary Memory GUID HOB\r
+ //\r
+ BootLoaderTempRamHob = BuildGuidHob (&gFspBootLoaderTemporaryMemoryGuid, BootLoaderTempRamSize);\r
+ CopyMem (BootLoaderTempRamHob, (VOID *)BootLoaderTempRamStart, BootLoaderTempRamSize);\r
+ OffsetGap = (UINT32)BootLoaderTempRamHob - BootLoaderTempRamStart;\r
+\r
+ //\r
+ // Set a new stack frame for the continuation function\r
+ //\r
+ FspInitParams = (FSP_INIT_PARAMS *)GetFspApiParameter ();\r
+ FspInitRtBuffer = (FSP_INIT_RT_COMMON_BUFFER *)FspInitParams->RtBufferPtr;\r
+ NewStackTop = (UINT32 *)FspInitRtBuffer->StackTop - 1;\r
+ SetFspCoreStackPointer (NewStackTop);\r
+\r
+ //\r
+ // Fix the FspInit Parameter Pointers to the new location.\r
+ //\r
+ FspParamPtr = GetFspApiParameter ();\r
+ if (FspParamPtr >= BootLoaderTempRamStart && FspParamPtr < BootLoaderTempRamEnd) {\r
+ SetFspApiParameter(FspParamPtr + OffsetGap);\r
+ }\r
+\r
+ FspInitParams = (FSP_INIT_PARAMS *)GetFspApiParameter ();\r
+ if ((UINT32)(FspInitParams->RtBufferPtr) >= BootLoaderTempRamStart &&\r
+ (UINT32)(FspInitParams->RtBufferPtr) < BootLoaderTempRamEnd) {\r
+ FspInitParams->RtBufferPtr = (VOID *)((UINT32)(FspInitParams->RtBufferPtr) + OffsetGap);\r
+ }\r
+\r
+ if ((UINT32)(FspInitParams->NvsBufferPtr) >= BootLoaderTempRamStart &&\r
+ (UINT32)(FspInitParams->NvsBufferPtr) < BootLoaderTempRamEnd) {\r
+ FspInitParams->NvsBufferPtr = (VOID *)((UINT32)(FspInitParams->NvsBufferPtr) + OffsetGap);\r
+ }\r
+\r
+ if ((UINT32)(((FSP_INIT_RT_COMMON_BUFFER *)(FspInitParams->RtBufferPtr))->UpdDataRgnPtr) >= BootLoaderTempRamStart &&\r
+ (UINT32)(((FSP_INIT_RT_COMMON_BUFFER *)(FspInitParams->RtBufferPtr))->UpdDataRgnPtr) < BootLoaderTempRamEnd) {\r
+ ((FSP_INIT_RT_COMMON_BUFFER *)(FspInitParams->RtBufferPtr))->UpdDataRgnPtr = \\r
+ (VOID *)((UINT32)(((FSP_INIT_RT_COMMON_BUFFER *)(FspInitParams->RtBufferPtr))->UpdDataRgnPtr) + OffsetGap);\r
+ }\r
+\r
+ //\r
+ // Update UPD pointer in FSP Global Data\r
+ //\r
+ UpdDataRgnPtr = ((FSP_INIT_RT_COMMON_BUFFER *)FspInitParams->RtBufferPtr)->UpdDataRgnPtr;\r
+ if (UpdDataRgnPtr != NULL) {\r
+ SetFspUpdDataPointer (UpdDataRgnPtr);\r
+ }\r
+\r
+ //\r
+ // Update Platform data pointer in FSP Global Data\r
+ //\r
+ PlatformDataPtr = GetFspPlatformDataPointer ();\r
+ if (((UINT32)PlatformDataPtr >= BootLoaderTempRamStart) &&\r
+ ((UINT32)PlatformDataPtr < BootLoaderTempRamEnd)) {\r
+ SetFspPlatformDataPointer ((UINT8 *)PlatformDataPtr + OffsetGap);\r
+ }\r
+\r
+}\r