X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=EdkModulePkg%2FCore%2FPei%2FPeiMain%2FPeiMain.c;h=c94331c010f6474da094c7e1b3329d0a23ab8619;hp=7b4c2f99a6326733556ac1c7f50b9ddf4a730fb7;hb=778cedfb9fa24da690335a50307171afbd1607c6;hpb=44c82dc06fa986331387db0c732d217552381e2a;ds=sidebyside diff --git a/EdkModulePkg/Core/Pei/PeiMain/PeiMain.c b/EdkModulePkg/Core/Pei/PeiMain/PeiMain.c index 7b4c2f99a6..c94331c010 100644 --- a/EdkModulePkg/Core/Pei/PeiMain/PeiMain.c +++ b/EdkModulePkg/Core/Pei/PeiMain/PeiMain.c @@ -1,241 +1,242 @@ -/*++ - -Copyright (c) 2006, Intel Corporation -All rights reserved. This program and the accompanying materials -are licensed and made available under the terms and conditions of the BSD License -which accompanies this distribution. The full text of the license may be found at -http://opensource.org/licenses/bsd-license.php - -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. - -Module Name: - - PeiMain.c - -Abstract: - - Pei Core Main Entry Point - -Revision History - ---*/ - -#include - -// -//CAR is filled with this initial value during SEC phase -// -#define INIT_CAR_VALUE 0x5AA55AA5 - -static EFI_PEI_PPI_DESCRIPTOR mMemoryDiscoveredPpi = { - (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST), - &gEfiPeiMemoryDiscoveredPpiGuid, - NULL -}; - -// -// Pei Core Module Variables -// -// -static EFI_PEI_SERVICES mPS = { - { - PEI_SERVICES_SIGNATURE, - PEI_SERVICES_REVISION, - sizeof (EFI_PEI_SERVICES), - 0, - 0 - }, - PeiInstallPpi, - PeiReInstallPpi, - PeiLocatePpi, - PeiNotifyPpi, - - PeiGetBootMode, - PeiSetBootMode, - - PeiGetHobList, - PeiCreateHob, - - PeiFvFindNextVolume, - PeiFfsFindNextFile, - PeiFfsFindSectionData, - - PeiInstallPeiMemory, - PeiAllocatePages, - PeiAllocatePool, - (EFI_PEI_COPY_MEM)CopyMem, - (EFI_PEI_SET_MEM)SetMem, - - PeiReportStatusCode, - - PeiResetSystem -}; - -EFI_STATUS -EFIAPI -PeiCore ( - IN EFI_PEI_STARTUP_DESCRIPTOR *PeiStartupDescriptor, - IN PEI_CORE_INSTANCE *OldCoreData - ) -/*++ - -Routine Description: - - Main entry point to Pei Core. After switching stack in the PEI core, - it will restart with the old core data. - -Arguments: - - PeiStartupDescriptor - Information and services provided by SEC phase. - OldCoreData - Pointer to old core data that is used to initialize the - core's data areas. - -Returns: - - This function never returns - EFI_NOT_FOUND - Never reach - ---*/ -{ - PEI_CORE_INSTANCE PrivateData; - EFI_STATUS Status; - PEI_CORE_TEMP_POINTERS TempPtr; - PEI_CORE_DISPATCH_DATA *DispatchData; - UINT64 mTick; - - mTick = 0; - -#ifdef EFI_PEI_PERFORMANCE - if (OldCoreData == NULL) { - mTick = GetPerformanceCounter (); - } -#endif - - // - // For IPF in CAR mode the real memory access is uncached,in InstallPeiMemory() - // the 63-bit of address is set to 1. - // - SWITCH_TO_CACHE_MODE (OldCoreData); - - if (OldCoreData != NULL) { - CopyMem (&PrivateData, OldCoreData, sizeof (PEI_CORE_INSTANCE)); - } else { - ZeroMem (&PrivateData, sizeof (PEI_CORE_INSTANCE)); - } - - PrivateData.Signature = PEI_CORE_HANDLE_SIGNATURE; - PrivateData.PS = &mPS; - - // - // Initialize libraries that the PeiCore is linked against - // BUGBUG: The FfsHeader is passed in as NULL. Do we look it up or remove it from the lib init? - // - ProcessLibraryConstructorList (NULL, &PrivateData.PS); - - InitializeMemoryServices (&PrivateData.PS, PeiStartupDescriptor, OldCoreData); - - InitializePpiServices (&PrivateData.PS, OldCoreData); - - InitializeSecurityServices (&PrivateData.PS, OldCoreData); - - InitializeDispatcherData (&PrivateData.PS, OldCoreData, PeiStartupDescriptor); - - if (OldCoreData != NULL) { - - PERF_END (NULL,"PreMem", NULL, 0); - PERF_START (NULL,"PostMem", NULL, 0); - - // - // The following code dumps out interesting cache as RAM usage information - // so we can keep tabs on how the cache as RAM is being utilized. The - // DEBUG_CODE macro is used to prevent this code from being compiled - // on a debug build. - // - DEBUG_CODE ( - UINTN *StackPointer; - UINTN StackValue; - - StackValue = INIT_CAR_VALUE; - for (StackPointer = (UINTN *) OldCoreData->MaxTopOfCarHeap; - ((UINTN) StackPointer < ((UINTN) OldCoreData->BottomOfCarHeap + OldCoreData->SizeOfCacheAsRam)) - && StackValue == INIT_CAR_VALUE; - StackPointer++) { - StackValue = *StackPointer; - } - - DEBUG ((EFI_D_INFO, "Total Cache as RAM: %d bytes.\n", OldCoreData->SizeOfCacheAsRam)); - DEBUG ((EFI_D_INFO, " CAR stack ever used: %d bytes.\n", - ((UINTN) OldCoreData->TopOfCarHeap - (UINTN) StackPointer) - )); - DEBUG ((EFI_D_INFO, " CAR heap used: %d bytes.\n", - ((UINTN) OldCoreData->HobList.HandoffInformationTable->EfiFreeMemoryBottom - - (UINTN) OldCoreData->HobList.Raw) - )); - ); - - // - // Alert any listeners that there is permanent memory available - // - PERF_START (NULL,"DisMem", NULL, 0); - Status = PeiCoreInstallPpi (&mMemoryDiscoveredPpi); - PERF_END (NULL,"DisMem", NULL, 0); - - } else { - - // - // Report Status Code EFI_SW_PC_INIT - // - REPORT_STATUS_CODE ( - EFI_PROGRESS_CODE, - EFI_SOFTWARE_PEI_CORE | EFI_SW_PC_INIT - ); - - // - // If first pass, start performance measurement. - // - PERF_START (NULL,"PreMem", NULL, mTick); - - // - // If SEC provided any PPI services to PEI, install them. - // - if (PeiStartupDescriptor->DispatchTable != NULL) { - Status = PeiCoreInstallPpi (PeiStartupDescriptor->DispatchTable); - ASSERT_EFI_ERROR (Status); - } - } - - DispatchData = &PrivateData.DispatchData; - - // - // Call PEIM dispatcher - // - PeiDispatcher (PeiStartupDescriptor, &PrivateData, DispatchData); - - // - // Check if InstallPeiMemory service was called. - // - ASSERT(PrivateData.PeiMemoryInstalled == TRUE); - - PERF_END (NULL, "PostMem", NULL, 0); - - Status = PeiCoreLocatePpi ( - &gEfiDxeIplPpiGuid, - 0, - NULL, - (VOID **)&TempPtr.DxeIpl - ); - ASSERT_EFI_ERROR (Status); - - DEBUG ((EFI_D_INFO, "DXE IPL Entry\n")); - Status = TempPtr.DxeIpl->Entry ( - TempPtr.DxeIpl, - &PrivateData.PS, - PrivateData.HobList - ); - - ASSERT_EFI_ERROR (Status); - - return EFI_NOT_FOUND; -} - +/*++ + +Copyright (c) 2006, Intel Corporation +All rights reserved. This program and the accompanying materials +are licensed and made available under the terms and conditions of the BSD License +which accompanies this distribution. The full text of the license may be found at +http://opensource.org/licenses/bsd-license.php + +THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + +Module Name: + + PeiMain.c + +Abstract: + + Pei Core Main Entry Point + +Revision History + +--*/ + +#include + +// +//CAR is filled with this initial value during SEC phase +// +#define INIT_CAR_VALUE 0x5AA55AA5 + +static EFI_PEI_PPI_DESCRIPTOR mMemoryDiscoveredPpi = { + (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST), + &gEfiPeiMemoryDiscoveredPpiGuid, + NULL +}; + +// +// Pei Core Module Variables +// +// +static EFI_PEI_SERVICES mPS = { + { + PEI_SERVICES_SIGNATURE, + PEI_SERVICES_REVISION, + sizeof (EFI_PEI_SERVICES), + 0, + 0 + }, + PeiInstallPpi, + PeiReInstallPpi, + PeiLocatePpi, + PeiNotifyPpi, + + PeiGetBootMode, + PeiSetBootMode, + + PeiGetHobList, + PeiCreateHob, + + PeiFvFindNextVolume, + PeiFfsFindNextFile, + PeiFfsFindSectionData, + + PeiInstallPeiMemory, + PeiAllocatePages, + PeiAllocatePool, + (EFI_PEI_COPY_MEM)CopyMem, + (EFI_PEI_SET_MEM)SetMem, + + PeiReportStatusCode, + + PeiResetSystem +}; + +EFI_STATUS +EFIAPI +PeiCore ( + IN EFI_PEI_STARTUP_DESCRIPTOR *PeiStartupDescriptor, + IN PEI_CORE_INSTANCE *OldCoreData + ) +/*++ + +Routine Description: + + The entry routine to Pei Core, invoked by PeiMain during transition + from SEC to PEI. After switching stack in the PEI core, it will restart + with the old core data. + +Arguments: + + PeiStartupDescriptor - Information and services provided by SEC phase. + OldCoreData - Pointer to old core data that is used to initialize the + core's data areas. + +Returns: + + This function never returns + EFI_NOT_FOUND - Never reach + +--*/ +{ + PEI_CORE_INSTANCE PrivateData; + EFI_STATUS Status; + PEI_CORE_TEMP_POINTERS TempPtr; + PEI_CORE_DISPATCH_DATA *DispatchData; + UINT64 mTick; + + mTick = 0; + +#ifdef EFI_PEI_PERFORMANCE + if (OldCoreData == NULL) { + mTick = GetPerformanceCounter (); + } +#endif + + // + // For IPF in CAR mode the real memory access is uncached,in InstallPeiMemory() + // the 63-bit of address is set to 1. + // + SWITCH_TO_CACHE_MODE (OldCoreData); + + if (OldCoreData != NULL) { + CopyMem (&PrivateData, OldCoreData, sizeof (PEI_CORE_INSTANCE)); + } else { + ZeroMem (&PrivateData, sizeof (PEI_CORE_INSTANCE)); + } + + PrivateData.Signature = PEI_CORE_HANDLE_SIGNATURE; + PrivateData.PS = &mPS; + + // + // Initialize libraries that the PeiCore is linked against + // BUGBUG: The FfsHeader is passed in as NULL. Do we look it up or remove it from the lib init? + // + ProcessLibraryConstructorList (NULL, &PrivateData.PS); + + InitializeMemoryServices (&PrivateData.PS, PeiStartupDescriptor, OldCoreData); + + InitializePpiServices (&PrivateData.PS, OldCoreData); + + InitializeSecurityServices (&PrivateData.PS, OldCoreData); + + InitializeDispatcherData (&PrivateData.PS, OldCoreData, PeiStartupDescriptor); + + if (OldCoreData != NULL) { + + PERF_END (NULL,"PreMem", NULL, 0); + PERF_START (NULL,"PostMem", NULL, 0); + + // + // The following code dumps out interesting cache as RAM usage information + // so we can keep tabs on how the cache as RAM is being utilized. The + // DEBUG_CODE_BEGIN macro is used to prevent this code from being compiled + // on a debug build. + // + DEBUG_CODE_BEGIN (); + UINTN *StackPointer; + UINTN StackValue; + + StackValue = INIT_CAR_VALUE; + for (StackPointer = (UINTN *) OldCoreData->MaxTopOfCarHeap; + ((UINTN) StackPointer < ((UINTN) OldCoreData->BottomOfCarHeap + OldCoreData->SizeOfCacheAsRam)) + && StackValue == INIT_CAR_VALUE; + StackPointer++) { + StackValue = *StackPointer; + } + + DEBUG ((EFI_D_INFO, "Total Cache as RAM: %d bytes.\n", OldCoreData->SizeOfCacheAsRam)); + DEBUG ((EFI_D_INFO, " CAR stack ever used: %d bytes.\n", + ((UINTN) OldCoreData->TopOfCarHeap - (UINTN) StackPointer) + )); + DEBUG ((EFI_D_INFO, " CAR heap used: %d bytes.\n", + ((UINTN) OldCoreData->HobList.HandoffInformationTable->EfiFreeMemoryBottom - + (UINTN) OldCoreData->HobList.Raw) + )); + DEBUG_CODE_END (); + + // + // Alert any listeners that there is permanent memory available + // + PERF_START (NULL,"DisMem", NULL, 0); + Status = PeiServicesInstallPpi (&mMemoryDiscoveredPpi); + PERF_END (NULL,"DisMem", NULL, 0); + + } else { + + // + // Report Status Code EFI_SW_PC_INIT + // + REPORT_STATUS_CODE ( + EFI_PROGRESS_CODE, + EFI_SOFTWARE_PEI_CORE | EFI_SW_PC_INIT + ); + + // + // If first pass, start performance measurement. + // + PERF_START (NULL,"PreMem", NULL, mTick); + + // + // If SEC provided any PPI services to PEI, install them. + // + if (PeiStartupDescriptor->DispatchTable != NULL) { + Status = PeiServicesInstallPpi (PeiStartupDescriptor->DispatchTable); + ASSERT_EFI_ERROR (Status); + } + } + + DispatchData = &PrivateData.DispatchData; + + // + // Call PEIM dispatcher + // + PeiDispatcher (PeiStartupDescriptor, &PrivateData, DispatchData); + + // + // Check if InstallPeiMemory service was called. + // + ASSERT(PrivateData.PeiMemoryInstalled == TRUE); + + PERF_END (NULL, "PostMem", NULL, 0); + + Status = PeiServicesLocatePpi ( + &gEfiDxeIplPpiGuid, + 0, + NULL, + (VOID **)&TempPtr.DxeIpl + ); + ASSERT_EFI_ERROR (Status); + + DEBUG ((EFI_D_INFO, "DXE IPL Entry\n")); + Status = TempPtr.DxeIpl->Entry ( + TempPtr.DxeIpl, + &PrivateData.PS, + PrivateData.HobList + ); + + ASSERT_EFI_ERROR (Status); + + return EFI_NOT_FOUND; +} +