2 This will be invoked only once. It will call FspMemoryInit API,
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3 register TemporaryRamDonePpi to call TempRamExit API, and register MemoryDiscoveredPpi
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4 notify to call FspSiliconInit API.
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6 Copyright (c) 2014 - 2017, Intel Corporation. All rights reserved.<BR>
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7 This program and the accompanying materials
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8 are licensed and made available under the terms and conditions of the BSD License
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9 which accompanies this distribution. The full text of the license may be found at
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10 http://opensource.org/licenses/bsd-license.php.
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12 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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13 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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20 #include <Library/PeimEntryPoint.h>
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21 #include <Library/PeiServicesLib.h>
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22 #include <Library/PeiServicesTablePointerLib.h>
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23 #include <Library/BaseLib.h>
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24 #include <Library/DebugLib.h>
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25 #include <Library/BaseMemoryLib.h>
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26 #include <Library/MemoryAllocationLib.h>
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27 #include <Library/HobLib.h>
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28 #include <Library/PcdLib.h>
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29 #include <Library/TimerLib.h>
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30 #include <Library/PerformanceLib.h>
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31 #include <Library/FspWrapperPlatformLib.h>
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32 #include <Library/FspWrapperHobProcessLib.h>
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33 #include <Library/FspWrapperApiLib.h>
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35 #include <Ppi/FspSiliconInitDone.h>
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36 #include <Ppi/EndOfPeiPhase.h>
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37 #include <Ppi/MemoryDiscovered.h>
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38 #include <Ppi/SecPlatformInformation.h>
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39 #include <Library/FspWrapperApiTestLib.h>
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41 #include <FspStatusCode.h>
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43 extern EFI_GUID gFspHobGuid;
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46 Call FspMemoryInit API.
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48 @return Status returned by FspMemoryInit API.
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55 FSP_INFO_HEADER *FspmHeaderPtr;
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57 UINT64 TimeStampCounterStart;
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58 VOID *FspHobListPtr;
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60 FSPM_UPD_COMMON *FspmUpdDataPtr;
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63 DEBUG ((DEBUG_INFO, "PeiFspMemoryInit enter\n"));
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65 FspHobListPtr = NULL;
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66 FspmUpdDataPtr = NULL;
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68 FspmHeaderPtr = (FSP_INFO_HEADER *)FspFindFspHeader (PcdGet32 (PcdFspmBaseAddress));
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69 DEBUG ((DEBUG_INFO, "FspmHeaderPtr - 0x%x\n", FspmHeaderPtr));
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70 if (FspmHeaderPtr == NULL) {
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71 return EFI_DEVICE_ERROR;
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74 if (PcdGet32 (PcdFspmUpdDataAddress) == 0 && (FspmHeaderPtr->CfgRegionSize != 0) && (FspmHeaderPtr->CfgRegionOffset != 0)) {
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76 // Copy default FSP-M UPD data from Flash
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78 FspmUpdDataPtr = (FSPM_UPD_COMMON *)AllocateZeroPool ((UINTN)FspmHeaderPtr->CfgRegionSize);
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79 ASSERT (FspmUpdDataPtr != NULL);
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80 SourceData = (UINTN *)((UINTN)FspmHeaderPtr->ImageBase + (UINTN)FspmHeaderPtr->CfgRegionOffset);
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81 CopyMem (FspmUpdDataPtr, SourceData, (UINTN)FspmHeaderPtr->CfgRegionSize);
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84 // External UPD is ready, get the buffer from PCD pointer.
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86 FspmUpdDataPtr = (FSPM_UPD_COMMON *)PcdGet32 (PcdFspmUpdDataAddress);
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87 ASSERT (FspmUpdDataPtr != NULL);
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90 DEBUG ((DEBUG_INFO, "UpdateFspmUpdData enter\n"));
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91 UpdateFspmUpdData ((VOID *)FspmUpdDataPtr);
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92 DEBUG ((DEBUG_INFO, " NvsBufferPtr - 0x%x\n", FspmUpdDataPtr->FspmArchUpd.NvsBufferPtr));
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93 DEBUG ((DEBUG_INFO, " StackBase - 0x%x\n", FspmUpdDataPtr->FspmArchUpd.StackBase));
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94 DEBUG ((DEBUG_INFO, " StackSize - 0x%x\n", FspmUpdDataPtr->FspmArchUpd.StackSize));
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95 DEBUG ((DEBUG_INFO, " BootLoaderTolumSize - 0x%x\n", FspmUpdDataPtr->FspmArchUpd.BootLoaderTolumSize));
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96 DEBUG ((DEBUG_INFO, " BootMode - 0x%x\n", FspmUpdDataPtr->FspmArchUpd.BootMode));
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97 DEBUG ((DEBUG_INFO, " HobListPtr - 0x%x\n", &FspHobListPtr));
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99 TimeStampCounterStart = AsmReadTsc ();
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100 Status = CallFspMemoryInit (FspmUpdDataPtr, &FspHobListPtr);
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101 // Create hobs after memory initialization and not in temp RAM. Hence passing the recorded timestamp here
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102 PERF_START_EX(&gFspApiPerformanceGuid, "EventRec", NULL, TimeStampCounterStart, FSP_STATUS_CODE_MEMORY_INIT | FSP_STATUS_CODE_COMMON_CODE | FSP_STATUS_CODE_API_ENTRY);
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103 PERF_END_EX(&gFspApiPerformanceGuid, "EventRec", NULL, 0, FSP_STATUS_CODE_MEMORY_INIT | FSP_STATUS_CODE_COMMON_CODE | FSP_STATUS_CODE_API_EXIT);
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104 DEBUG ((DEBUG_INFO, "Total time spent executing FspMemoryInitApi: %d millisecond\n", DivU64x32 (GetTimeInNanoSecond (AsmReadTsc () - TimeStampCounterStart), 1000000)));
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107 // Reset the system if FSP API returned FSP_STATUS_RESET_REQUIRED status
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109 if ((Status >= FSP_STATUS_RESET_REQUIRED_COLD) && (Status <= FSP_STATUS_RESET_REQUIRED_8)) {
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110 DEBUG((DEBUG_INFO, "FspMemoryInitApi requested reset 0x%x\n", Status));
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111 CallFspWrapperResetSystem ((UINT32)Status);
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114 if (EFI_ERROR(Status)) {
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115 DEBUG ((DEBUG_ERROR, "ERROR - Failed to execute FspMemoryInitApi(), Status = %r\n", Status));
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117 DEBUG((DEBUG_INFO, "FspMemoryInit status: 0x%x\n", Status));
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118 ASSERT_EFI_ERROR (Status);
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121 Status = TestFspMemoryInitApiOutput (FspmUpdDataPtr, &FspHobListPtr);
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122 if (EFI_ERROR (Status)) {
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123 DEBUG ((DEBUG_ERROR, "ERROR - TestFspMemoryInitApiOutput () fail, Status = %r\n", Status));
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126 DEBUG ((DEBUG_INFO, " FspHobListPtr (returned) - 0x%x\n", FspHobListPtr));
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127 ASSERT (FspHobListPtr != NULL);
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129 PostFspmHobProcess (FspHobListPtr);
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132 // FspHobList is not complete at this moment.
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133 // Save FspHobList pointer to hob, so that it can be got later
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135 HobData = BuildGuidHob (
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139 ASSERT (HobData != NULL);
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140 CopyMem (HobData, &FspHobListPtr, sizeof (FspHobListPtr));
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146 Do FSP initialization.
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148 @return FSP initialization status.
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158 Status = PeiFspMemoryInit ();
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159 ASSERT_EFI_ERROR (Status);
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165 This is the entrypoint of PEIM
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167 @param[in] FileHandle Handle of the file being invoked.
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168 @param[in] PeiServices Describes the list of possible PEI Services.
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170 @retval EFI_SUCCESS if it completed successfully.
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174 FspmWrapperPeimEntryPoint (
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175 IN EFI_PEI_FILE_HANDLE FileHandle,
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176 IN CONST EFI_PEI_SERVICES **PeiServices
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179 DEBUG((DEBUG_INFO, "FspmWrapperPeimEntryPoint\n"));
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181 FspmWrapperInit ();
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183 return EFI_SUCCESS;
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