--- /dev/null
+/** @file\r
+ This driver will register two callbacks to call fsp's notifies.\r
+\r
+ Copyright (c) 2014 - 2016, 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 <PiDxe.h>\r
+\r
+#include <Protocol/PciEnumerationComplete.h>\r
+\r
+#include <Library/UefiDriverEntryPoint.h>\r
+#include <Library/UefiBootServicesTableLib.h>\r
+#include <Library/DebugLib.h>\r
+#include <Library/BaseMemoryLib.h>\r
+#include <Library/UefiLib.h>\r
+#include <Library/FspWrapperApiLib.h>\r
+#include <Library/PerformanceLib.h>\r
+#include <Library/HobLib.h>\r
+\r
+typedef\r
+EFI_STATUS\r
+(EFIAPI * ADD_PERFORMANCE_RECORDS)(\r
+ IN CONST VOID *HobStart\r
+ );\r
+\r
+struct _ADD_PERFORMANCE_RECORD_PROTOCOL {\r
+ ADD_PERFORMANCE_RECORDS AddPerformanceRecords;\r
+};\r
+\r
+typedef struct _ADD_PERFORMANCE_RECORD_PROTOCOL ADD_PERFORMANCE_RECORD_PROTOCOL;\r
+\r
+extern EFI_GUID gAddPerfRecordProtocolGuid;\r
+extern EFI_GUID gFspHobGuid;\r
+extern EFI_GUID gFspApiPerformanceGuid;\r
+\r
+EFI_EVENT mExitBootServicesEvent = NULL;\r
+\r
+/**\r
+ Relocate this image under 4G memory.\r
+\r
+ @param ImageHandle Handle of driver image.\r
+ @param SystemTable Pointer to system table.\r
+\r
+ @retval EFI_SUCCESS Image successfully relocated.\r
+ @retval EFI_ABORTED Failed to relocate image.\r
+\r
+**/\r
+EFI_STATUS\r
+RelocateImageUnder4GIfNeeded (\r
+ IN EFI_HANDLE ImageHandle,\r
+ IN EFI_SYSTEM_TABLE *SystemTable\r
+ );\r
+\r
+/**\r
+ PciEnumerationComplete Protocol notification event handler.\r
+\r
+ @param[in] Event Event whose notification function is being invoked.\r
+ @param[in] Context Pointer to the notification function's context.\r
+**/\r
+VOID\r
+EFIAPI\r
+OnPciEnumerationComplete (\r
+ IN EFI_EVENT Event,\r
+ IN VOID *Context\r
+ )\r
+{\r
+ NOTIFY_PHASE_PARAMS NotifyPhaseParams;\r
+ EFI_STATUS Status;\r
+ VOID *Interface;\r
+\r
+ //\r
+ // Try to locate it because gEfiPciEnumerationCompleteProtocolGuid will trigger it once when registration.\r
+ // Just return if it is not found.\r
+ //\r
+ Status = gBS->LocateProtocol (\r
+ &gEfiPciEnumerationCompleteProtocolGuid,\r
+ NULL,\r
+ &Interface\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ return ;\r
+ }\r
+\r
+ NotifyPhaseParams.Phase = EnumInitPhaseAfterPciEnumeration;\r
+ PERF_START_EX(&gFspApiPerformanceGuid, "EventRec", NULL, 0, 0x6000);\r
+ Status = CallFspNotifyPhase (&NotifyPhaseParams);\r
+ PERF_END_EX(&gFspApiPerformanceGuid, "EventRec", NULL, 0, 0x607F);\r
+ if (Status != EFI_SUCCESS) {\r
+ DEBUG((DEBUG_ERROR, "FSP NotifyPhase AfterPciEnumeration failed, status: 0x%x\n", Status));\r
+ } else {\r
+ DEBUG((DEBUG_INFO, "FSP NotifyPhase AfterPciEnumeration Success.\n"));\r
+ }\r
+}\r
+\r
+/**\r
+ Notification function of EVT_GROUP_READY_TO_BOOT event group.\r
+\r
+ This is a notification function registered on EVT_GROUP_READY_TO_BOOT event group.\r
+ When the Boot Manager is about to load and execute a boot option, it reclaims variable\r
+ storage if free size is below the threshold.\r
+\r
+ @param[in] Event Event whose notification function is being invoked.\r
+ @param[in] Context Pointer to the notification function's context.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+OnReadyToBoot (\r
+ IN EFI_EVENT Event,\r
+ IN VOID *Context\r
+ )\r
+{\r
+ NOTIFY_PHASE_PARAMS NotifyPhaseParams;\r
+ EFI_STATUS Status;\r
+ ADD_PERFORMANCE_RECORD_PROTOCOL *AddPerfRecordInterface;\r
+ EFI_PEI_HOB_POINTERS Hob;\r
+ VOID **FspHobListPtr;\r
+\r
+ gBS->CloseEvent (Event);\r
+\r
+ NotifyPhaseParams.Phase = EnumInitPhaseReadyToBoot;\r
+ PERF_START_EX(&gFspApiPerformanceGuid, "EventRec", NULL, 0, 0x4000);\r
+ Status = CallFspNotifyPhase (&NotifyPhaseParams);\r
+ PERF_END_EX(&gFspApiPerformanceGuid, "EventRec", NULL, 0, 0x407F);\r
+ if (Status != EFI_SUCCESS) {\r
+ DEBUG((DEBUG_ERROR, "FSP NotifyPhase ReadyToBoot failed, status: 0x%x\n", Status));\r
+ } else {\r
+ DEBUG((DEBUG_INFO, "FSP NotifyPhase ReadyToBoot Success.\n"));\r
+ }\r
+\r
+ Status = gBS->LocateProtocol (\r
+ &gAddPerfRecordProtocolGuid,\r
+ NULL,\r
+ (VOID**) &AddPerfRecordInterface\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ DEBUG((DEBUG_INFO, "gAddPerfRecordProtocolGuid - Locate protocol failed\n"));\r
+ return;\r
+ } else {\r
+ Hob.Raw = GetHobList ();\r
+ if (Hob.Raw != NULL) {\r
+ Hob.Raw = GetNextGuidHob (&gFspHobGuid, Hob.Raw);\r
+ FspHobListPtr = GET_GUID_HOB_DATA(Hob.Raw);\r
+ AddPerfRecordInterface->AddPerformanceRecords((VOID *)(UINTN)(((UINT32)(UINTN)*FspHobListPtr) & 0xFFFFFFFF));\r
+ }\r
+ }\r
+}\r
+\r
+/**\r
+ This stage is notified just before the firmware/Preboot environment transfers\r
+ management of all system resources to the OS or next level execution environment.\r
+\r
+ @param Event Event whose notification function is being invoked.\r
+ @param Context Pointer to the notification function's context, which is\r
+ always zero in current implementation.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+OnEndOfFirmware (\r
+ IN EFI_EVENT Event,\r
+ IN VOID *Context\r
+ )\r
+{\r
+ NOTIFY_PHASE_PARAMS NotifyPhaseParams;\r
+ EFI_STATUS Status;\r
+\r
+ gBS->CloseEvent (Event);\r
+\r
+ NotifyPhaseParams.Phase = EnumInitPhaseEndOfFirmware;\r
+ PERF_START_EX(&gFspApiPerformanceGuid, "EventRec", NULL, 0, 0x2000);\r
+ Status = CallFspNotifyPhase (&NotifyPhaseParams);\r
+ PERF_END_EX(&gFspApiPerformanceGuid, "EventRec", NULL, 0, 0x207F);\r
+ if (Status != EFI_SUCCESS) {\r
+ DEBUG((DEBUG_ERROR, "FSP NotifyPhase EndOfFirmware failed, status: 0x%x\n", Status));\r
+ } else {\r
+ DEBUG((DEBUG_INFO, "FSP NotifyPhase EndOfFirmware Success.\n"));\r
+ }\r
+}\r
+\r
+/**\r
+ Main entry for the FSP DXE module.\r
+\r
+ This routine registers two callbacks to call fsp's notifies.\r
+\r
+ @param[in] ImageHandle The firmware allocated handle for the EFI image.\r
+ @param[in] SystemTable A pointer to the EFI System Table.\r
+\r
+ @retval EFI_SUCCESS The entry point is executed successfully.\r
+ @retval other Some error occurs when executing this entry point.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+FspWrapperNotifyDxeEntryPoint (\r
+ IN EFI_HANDLE ImageHandle,\r
+ IN EFI_SYSTEM_TABLE *SystemTable\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_EVENT ReadyToBootEvent;\r
+ VOID *Registration;\r
+ EFI_EVENT ProtocolNotifyEvent;\r
+\r
+ //\r
+ // Load this driver's image to memory\r
+ //\r
+ Status = RelocateImageUnder4GIfNeeded (ImageHandle, SystemTable);\r
+ if (EFI_ERROR (Status)) {\r
+ return EFI_SUCCESS;\r
+ }\r
+\r
+ ProtocolNotifyEvent = EfiCreateProtocolNotifyEvent (\r
+ &gEfiPciEnumerationCompleteProtocolGuid,\r
+ TPL_CALLBACK,\r
+ OnPciEnumerationComplete,\r
+ NULL,\r
+ &Registration\r
+ );\r
+ ASSERT (ProtocolNotifyEvent != NULL);\r
+\r
+ Status = EfiCreateEventReadyToBootEx (\r
+ TPL_CALLBACK,\r
+ OnReadyToBoot,\r
+ NULL,\r
+ &ReadyToBootEvent\r
+ );\r
+ ASSERT_EFI_ERROR (Status);\r
+\r
+ Status = gBS->CreateEventEx (\r
+ EVT_NOTIFY_SIGNAL,\r
+ TPL_NOTIFY,\r
+ OnEndOfFirmware,\r
+ NULL,\r
+ &gEfiEventExitBootServicesGuid,\r
+ &mExitBootServicesEvent\r
+ );\r
+ ASSERT_EFI_ERROR (Status);\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
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