+++ /dev/null
-/** @file\r
-\r
- Copyright (c) 2014 - 2015, Intel Corporation. All rights reserved.<BR>\r
- SPDX-License-Identifier: BSD-2-Clause-Patent\r
-\r
-**/\r
-\r
-#include "SecFsp.h"\r
-\r
-/**\r
-\r
- Calculate the FSP IDT gate descriptor.\r
-\r
- @param[in] IdtEntryTemplate IDT gate descriptor template.\r
-\r
- @return FSP specific IDT gate descriptor.\r
-\r
-**/\r
-UINT64\r
-FspGetExceptionHandler(\r
- IN UINT64 IdtEntryTemplate\r
- )\r
-{\r
- UINT32 Entry;\r
- UINT64 ExceptionHandler;\r
- IA32_IDT_GATE_DESCRIPTOR *IdtGateDescriptor;\r
- FSP_INFO_HEADER *FspInfoHeader;\r
-\r
- FspInfoHeader = (FSP_INFO_HEADER *)AsmGetFspInfoHeader();\r
- ExceptionHandler = IdtEntryTemplate;\r
- IdtGateDescriptor = (IA32_IDT_GATE_DESCRIPTOR *)&ExceptionHandler;\r
- Entry = (IdtGateDescriptor->Bits.OffsetHigh << 16) | IdtGateDescriptor->Bits.OffsetLow;\r
- Entry = FspInfoHeader->ImageBase + FspInfoHeader->ImageSize - (~Entry + 1);\r
- IdtGateDescriptor->Bits.OffsetHigh = (UINT16)(Entry >> 16);\r
- IdtGateDescriptor->Bits.OffsetLow = (UINT16)Entry;\r
-\r
- return ExceptionHandler;\r
-}\r
-\r
-/**\r
- This function gets the FSP UPD region offset in flash.\r
-\r
- @return the offset of the UPD region.\r
-\r
-**/\r
-UINT32\r
-EFIAPI\r
-GetFspUpdRegionOffset (\r
- VOID\r
- )\r
-{\r
- FSP_GLOBAL_DATA *FspData;\r
- UINT32 *Offset;\r
-\r
- FspData = GetFspGlobalDataPointer ();\r
-\r
- //\r
- // It is required to put PcdUpdRegionOffset at offset 0x000C\r
- // for all FSPs.\r
- // gPlatformFspPkgTokenSpaceGuid.PcdUpdRegionOffset | 0x000C | 0x12345678\r
- //\r
- Offset = (UINT32 *)(FspData->FspInfoHeader->ImageBase + \\r
- FspData->FspInfoHeader->CfgRegionOffset + 0x0C);\r
-\r
- return *Offset;\r
-}\r
-\r
-/**\r
- This interface fills platform specific data.\r
-\r
- @param[in,out] FspData Pointer to the FSP global data.\r
-\r
-**/\r
-VOID\r
-EFIAPI\r
-SecGetPlatformData (\r
- IN OUT FSP_GLOBAL_DATA *FspData\r
- )\r
-{\r
- FSP_PLAT_DATA *FspPlatformData;\r
- UINT32 TopOfCar;\r
- UINT32 *StackPtr;\r
- UINT32 DwordSize;\r
-\r
- FspPlatformData = &FspData->PlatformData;\r
-\r
- //\r
- // The entries of platform information, together with the number of them,\r
- // reside in the bottom of stack, left untouched by normal stack operation.\r
- //\r
- TopOfCar = PcdGet32 (PcdTemporaryRamBase) + PcdGet32 (PcdTemporaryRamSize);\r
-\r
- FspPlatformData->DataPtr = NULL;\r
- FspPlatformData->MicrocodeRegionBase = 0;\r
- FspPlatformData->MicrocodeRegionSize = 0;\r
- FspPlatformData->CodeRegionBase = 0;\r
- FspPlatformData->CodeRegionSize = 0;\r
-\r
- //\r
- // Pointer to the size field\r
- //\r
- StackPtr = (UINT32 *)(TopOfCar - sizeof(UINT32));\r
-\r
- while (*StackPtr != 0) {\r
- if (*(StackPtr - 1) == FSP_MCUD_SIGNATURE) {\r
- //\r
- // This following data was pushed onto stack after TempRamInit API\r
- //\r
- DwordSize = 4;\r
- StackPtr = StackPtr - 1 - DwordSize;\r
- CopyMem (&(FspPlatformData->MicrocodeRegionBase), StackPtr, (DwordSize << 2));\r
- StackPtr--;\r
- } else if (*(StackPtr - 1) == FSP_PER0_SIGNATURE) {\r
- //\r
- // This is the performance data for InitTempMemory API entry/exit\r
- //\r
- DwordSize = 4;\r
- StackPtr = StackPtr - 1 - DwordSize;\r
- CopyMem (FspData->PerfData, StackPtr, (DwordSize << 2));\r
- ((UINT8 *)(&FspData->PerfData[0]))[7] = FSP_PERF_ID_API_TMPRAMINIT_ENTRY;\r
- ((UINT8 *)(&FspData->PerfData[1]))[7] = FSP_PERF_ID_API_TMPRAMINIT_EXIT;\r
- StackPtr--;\r
- } else {\r
- StackPtr -= (*StackPtr);\r
- }\r
- }\r
-}\r
-\r
-/**\r
-\r
- Initialize the FSP global data region.\r
- It needs to be done as soon as possible after the stack is setup.\r
-\r
- @param[in,out] PeiFspData Pointer of the FSP global data.\r
- @param[in] BootLoaderStack BootLoader stack.\r
- @param[in] ApiIdx The index of the FSP API.\r
-\r
-**/\r
-VOID\r
-FspGlobalDataInit (\r
- IN OUT FSP_GLOBAL_DATA *PeiFspData,\r
- IN UINT32 BootLoaderStack,\r
- IN UINT8 ApiIdx\r
- )\r
-{\r
- VOID *UpdDataRgnPtr;\r
- FSP_INIT_PARAMS *FspInitParams;\r
- CHAR8 ImageId[9];\r
- UINTN Idx;\r
-\r
- //\r
- // Init PCIE_BAR with value and set global FSP data pointer.\r
- // PciExpress Base should have been programmed by platform already.\r
- //\r
- SetFspGlobalDataPointer (PeiFspData);\r
- ZeroMem ((VOID *)PeiFspData, sizeof(FSP_GLOBAL_DATA));\r
-\r
- PeiFspData->Signature = FSP_GLOBAL_DATA_SIGNATURE;\r
- PeiFspData->CoreStack = BootLoaderStack;\r
- PeiFspData->PerfIdx = 2;\r
-\r
- SetFspMeasurePoint (FSP_PERF_ID_API_FSPINIT_ENTRY);\r
-\r
- //\r
- // Get FSP Header offset\r
- // It may have multiple FVs, so look into the last one for FSP header\r
- //\r
- PeiFspData->FspInfoHeader = (FSP_INFO_HEADER *)AsmGetFspInfoHeader();\r
- SecGetPlatformData (PeiFspData);\r
-\r
- //\r
- // Set API calling mode\r
- //\r
- SetFspApiCallingMode (ApiIdx == 1 ? 0 : 1);\r
-\r
- //\r
- // Initialize UPD pointer.\r
- //\r
- FspInitParams = (FSP_INIT_PARAMS *)GetFspApiParameter ();\r
- UpdDataRgnPtr = ((FSP_INIT_RT_COMMON_BUFFER *)FspInitParams->RtBufferPtr)->UpdDataRgnPtr;\r
- if (UpdDataRgnPtr == NULL) {\r
- UpdDataRgnPtr = (VOID *)(PeiFspData->FspInfoHeader->ImageBase + GetFspUpdRegionOffset());\r
- }\r
- SetFspUpdDataPointer (UpdDataRgnPtr);\r
-\r
- //\r
- // Initialize serial port\r
- // It might have been done in ProcessLibraryConstructorList(), however,\r
- // the FSP global data is not initialized at that time. So do it again\r
- // for safe.\r
- //\r
- SerialPortInitialize ();\r
-\r
- //\r
- // Ensure the golbal data pointer is valid\r
- //\r
- ASSERT (GetFspGlobalDataPointer () == PeiFspData);\r
-\r
- for (Idx = 0; Idx < 8; Idx++) {\r
- ImageId[Idx] = PeiFspData->FspInfoHeader->ImageId[Idx];\r
- }\r
- ImageId[Idx] = 0;\r
-\r
- DEBUG ((DEBUG_INFO | DEBUG_INIT, "\n============= PEIM FSP v1.%x (%a v%x.%x.%x.%x) =============\n", \\r
- PeiFspData->FspInfoHeader->HeaderRevision - 1, \\r
- ImageId, \\r
- (PeiFspData->FspInfoHeader->ImageRevision >> 24) & 0xff, \\r
- (PeiFspData->FspInfoHeader->ImageRevision >> 16) & 0xff, \\r
- (PeiFspData->FspInfoHeader->ImageRevision >> 8) & 0xff, \\r
- (PeiFspData->FspInfoHeader->ImageRevision >> 0) & 0xff));\r
-\r
-}\r
-\r
-/**\r
-\r
- Adjust the FSP data pointers after the stack is migrated to memory.\r
-\r
- @param[in] OffsetGap The offset gap between the old stack and the new stack.\r
-\r
-**/\r
-VOID\r
-FspDataPointerFixUp (\r
- IN UINT32 OffsetGap\r
- )\r
-{\r
- FSP_GLOBAL_DATA *NewFspData;\r
-\r
- NewFspData = (FSP_GLOBAL_DATA *)((UINTN)GetFspGlobalDataPointer() + (UINTN)OffsetGap);\r
- SetFspGlobalDataPointer (NewFspData);\r
-}\r
-\r
-/**\r
- This function check the FSP API calling condition.\r
-\r
- @param[in] ApiIdx Internal index of the FSP API.\r
- @param[in] ApiParam Parameter of the FSP API.\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-FspApiCallingCheck (\r
- IN UINT32 ApiIdx,\r
- IN VOID *ApiParam\r
- )\r
-{\r
- EFI_STATUS Status;\r
- FSP_GLOBAL_DATA *FspData;\r
- FSP_INIT_PARAMS *FspInitParams;\r
- FSP_INIT_RT_COMMON_BUFFER *FspRtBuffer;\r
-\r
- FspInitParams = (FSP_INIT_PARAMS *) ApiParam;\r
- FspRtBuffer = ((FSP_INIT_RT_COMMON_BUFFER *)FspInitParams->RtBufferPtr);\r
-\r
- Status = EFI_SUCCESS;\r
- FspData = GetFspGlobalDataPointer ();\r
- if (ApiIdx == 1) {\r
- //\r
- // FspInit check\r
- //\r
- if ((UINT32)FspData != 0xFFFFFFFF) {\r
- Status = EFI_UNSUPPORTED;\r
- } else if ((FspRtBuffer == NULL) || ((FspRtBuffer->BootLoaderTolumSize % EFI_PAGE_SIZE) != 0) || (EFI_ERROR(FspUpdSignatureCheck(ApiIdx, ApiParam)))) {\r
- Status = EFI_INVALID_PARAMETER;\r
- }\r
- } else if (ApiIdx == 2) {\r
- //\r
- // NotifyPhase check\r
- //\r
- if ((FspData == NULL) || ((UINT32)FspData == 0xFFFFFFFF)) {\r
- Status = EFI_UNSUPPORTED;\r
- } else {\r
- if (FspData->Signature != FSP_GLOBAL_DATA_SIGNATURE) {\r
- Status = EFI_UNSUPPORTED;\r
- }\r
- }\r
- } else if (ApiIdx == 3) {\r
- //\r
- // FspMemoryInit check\r
- //\r
- if ((UINT32)FspData != 0xFFFFFFFF) {\r
- Status = EFI_UNSUPPORTED;\r
- } else if ((FspRtBuffer == NULL) || ((FspRtBuffer->BootLoaderTolumSize % EFI_PAGE_SIZE) != 0) || (EFI_ERROR(FspUpdSignatureCheck(ApiIdx, ApiParam)))) {\r
- Status = EFI_INVALID_PARAMETER;\r
- }\r
- } else if (ApiIdx == 4) {\r
- //\r
- // TempRamExit check\r
- //\r
- if ((FspData == NULL) || ((UINT32)FspData == 0xFFFFFFFF)) {\r
- Status = EFI_UNSUPPORTED;\r
- } else {\r
- if (FspData->Signature != FSP_GLOBAL_DATA_SIGNATURE) {\r
- Status = EFI_UNSUPPORTED;\r
- }\r
- }\r
- } else if (ApiIdx == 5) {\r
- //\r
- // FspSiliconInit check\r
- //\r
- if ((FspData == NULL) || ((UINT32)FspData == 0xFFFFFFFF)) {\r
- Status = EFI_UNSUPPORTED;\r
- } else {\r
- if (FspData->Signature != FSP_GLOBAL_DATA_SIGNATURE) {\r
- Status = EFI_UNSUPPORTED;\r
- } else if (EFI_ERROR(FspUpdSignatureCheck(ApiIdx, ApiParam))) {\r
- Status = EFI_INVALID_PARAMETER;\r
- }\r
- }\r
- } else {\r
- Status = EFI_UNSUPPORTED;\r
- }\r
-\r
- return Status;\r
-}\r
-\r
-/**\r
- This function gets the boot FV offset in FSP.\r
- @return the boot firmware volumen offset inside FSP binary\r
-\r
-**/\r
-UINT32\r
-EFIAPI\r
-GetBootFirmwareVolumeOffset (\r
- VOID\r
- )\r
-{ \r
- return PcdGet32 (PcdFspBootFirmwareVolumeBase) - PcdGet32 (PcdFspAreaBaseAddress);\r
-}\r
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