1 /** @file 2 In FSP API V1 mode, it will be invoked twice by pei core. In 1st entry, it will 3 call FspInit API. In 2nd entry, it will parse the hoblist from fsp and report 4 them into pei core. 5 6 Copyright (c) 2015, Intel Corporation. All rights reserved.<BR> 7 This program and the accompanying materials 8 are licensed and made available under the terms and conditions of the BSD License 9 which accompanies this distribution. The full text of the license may be found at 10 http://opensource.org/licenses/bsd-license.php. 11 12 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 13 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 14 15 **/ 16 17 18 #include "FspInitPei.h" 19 20 /** 21 FSP Init continuation function. 22 Control will be returned to this callback function after FspInit API call. 23 24 @param[in] Status Status of the FSP INIT API 25 @param[in] HobListPtr Pointer to the HOB data structure defined in the PI specification. 26 27 **/ 28 VOID 29 ContinuationFunc ( 30 IN EFI_STATUS Status, 31 IN VOID *HobListPtr 32 ) 33 { 34 EFI_BOOT_MODE BootMode; 35 UINT64 StackSize; 36 EFI_PHYSICAL_ADDRESS StackBase; 37 38 DEBUG ((DEBUG_INFO, "ContinuationFunc - %r\n", Status)); 39 DEBUG ((DEBUG_INFO, "HobListPtr - 0x%x\n", HobListPtr)); 40 41 if (Status != EFI_SUCCESS) { 42 CpuDeadLoop (); 43 } 44 45 // 46 // Can not call any PeiServices 47 // 48 BootMode = GetBootMode (); 49 50 GetStackInfo (BootMode, TRUE, &StackSize, &StackBase); 51 DEBUG ((DEBUG_INFO, "StackBase - 0x%x\n", StackBase)); 52 DEBUG ((DEBUG_INFO, "StackSize - 0x%x\n", StackSize)); 53 CallPeiCoreEntryPoint ( 54 HobListPtr, 55 (VOID *)(UINTN)StackBase, 56 (VOID *)(UINTN)(StackBase + StackSize) 57 ); 58 } 59 60 /** 61 Call FspInit API. 62 63 @param[in] FspHeader FSP header pointer. 64 **/ 65 VOID 66 PeiFspInit ( 67 IN FSP_INFO_HEADER *FspHeader 68 ) 69 { 70 FSP_INIT_PARAMS FspInitParams; 71 FSP_INIT_RT_COMMON_BUFFER FspRtBuffer; 72 UINT8 FspUpdRgn[FixedPcdGet32 (PcdMaxUpdRegionSize)]; 73 UINT32 UpdRegionSize; 74 EFI_BOOT_MODE BootMode; 75 UINT64 StackSize; 76 EFI_PHYSICAL_ADDRESS StackBase; 77 EFI_STATUS Status; 78 79 DEBUG ((DEBUG_INFO, "PeiFspInit enter\n")); 80 81 PeiServicesGetBootMode (&BootMode); 82 DEBUG ((DEBUG_INFO, "BootMode - 0x%x\n", BootMode)); 83 84 GetStackInfo (BootMode, FALSE, &StackSize, &StackBase); 85 DEBUG ((DEBUG_INFO, "StackBase - 0x%x\n", StackBase)); 86 DEBUG ((DEBUG_INFO, "StackSize - 0x%x\n", StackSize)); 87 88 ZeroMem (&FspRtBuffer, sizeof(FspRtBuffer)); 89 FspRtBuffer.StackTop = (UINT32 *)(UINTN)(StackBase + StackSize); 90 91 FspRtBuffer.BootMode = BootMode; 92 93 /* Platform override any UPD configs */ 94 UpdRegionSize = GetUpdRegionSize(); 95 DEBUG ((DEBUG_INFO, "UpdRegionSize - 0x%x\n", UpdRegionSize)); 96 DEBUG ((DEBUG_INFO, "sizeof(FspUpdRgn) - 0x%x\n", sizeof(FspUpdRgn))); 97 ASSERT(sizeof(FspUpdRgn) >= UpdRegionSize); 98 ZeroMem (FspUpdRgn, UpdRegionSize); 99 FspRtBuffer.UpdDataRgnPtr = UpdateFspUpdConfigs (FspUpdRgn); 100 FspRtBuffer.BootLoaderTolumSize = 0; 101 102 ZeroMem (&FspInitParams, sizeof(FspInitParams)); 103 FspInitParams.NvsBufferPtr = GetNvsBuffer (); 104 DEBUG ((DEBUG_INFO, "NvsBufferPtr - 0x%x\n", FspInitParams.NvsBufferPtr)); 105 FspInitParams.RtBufferPtr = (VOID *)&FspRtBuffer; 106 FspInitParams.ContinuationFunc = (CONTINUATION_PROC)ContinuationFunc; 107 108 SaveSecContext (GetPeiServicesTablePointer ()); 109 110 DEBUG ((DEBUG_INFO, "FspInitParams - 0x%x\n", &FspInitParams)); 111 DEBUG ((DEBUG_INFO, " NvsBufferPtr - 0x%x\n", FspInitParams.NvsBufferPtr)); 112 DEBUG ((DEBUG_INFO, " RtBufferPtr - 0x%x\n", FspInitParams.RtBufferPtr)); 113 DEBUG ((DEBUG_INFO, " StackTop - 0x%x\n", FspRtBuffer.StackTop)); 114 DEBUG ((DEBUG_INFO, " BootMode - 0x%x\n", FspRtBuffer.BootMode)); 115 DEBUG ((DEBUG_INFO, " UpdDataRgnPtr - 0x%x\n", FspRtBuffer.UpdDataRgnPtr)); 116 DEBUG ((DEBUG_INFO, " ContinuationFunc - 0x%x\n", FspInitParams.ContinuationFunc)); 117 118 Status = CallFspInit (FspHeader, &FspInitParams); 119 // 120 // Should never return 121 // 122 DEBUG((DEBUG_ERROR, "FSP Init failed, status: 0x%x\n", Status)); 123 CpuDeadLoop (); 124 } 125 126 /** 127 Do FSP initialization based on FspApi version 1. 128 129 @param[in] FspHeader FSP header pointer. 130 131 @return FSP initialization status. 132 **/ 133 EFI_STATUS 134 PeiFspInitV1 ( 135 IN FSP_INFO_HEADER *FspHeader 136 ) 137 { 138 EFI_STATUS Status; 139 FSP_INIT_DONE_PPI *FspInitDone; 140 VOID *FspHobList; 141 EFI_BOOT_MODE BootMode; 142 143 Status = PeiServicesLocatePpi ( 144 &gFspInitDonePpiGuid, 145 0, 146 NULL, 147 (VOID **) &FspInitDone 148 ); 149 if (EFI_ERROR (Status)) { 150 // 151 // 1st entry 152 // 153 DEBUG ((DEBUG_INFO, "1st entry\n")); 154 155 PeiFspInit (FspHeader); 156 // 157 // Never return here, for FspApi version 1. 158 // 159 CpuDeadLoop (); 160 } else { 161 // 162 // 2nd entry for FspApi version 1 only. 163 // 164 DEBUG ((DEBUG_INFO, "2nd entry\n")); 165 166 Status = FspInitDone->GetFspHobList (GetPeiServicesTablePointer (), FspInitDone, &FspHobList); 167 ASSERT_EFI_ERROR (Status); 168 DEBUG ((DEBUG_INFO, "FspHobList - 0x%x\n", FspHobList)); 169 FspHobProcess (FspHobList); 170 171 // 172 // Register EndOfPei Notify for S3 to run FspNotifyPhase 173 // 174 PeiServicesGetBootMode (&BootMode); 175 if (BootMode == BOOT_ON_S3_RESUME) { 176 Status = PeiServicesNotifyPpi (&mS3EndOfPeiNotifyDesc); 177 ASSERT_EFI_ERROR (Status); 178 } 179 } 180 181 return EFI_SUCCESS; 182 }
