+++ /dev/null
-/** @file\r
-*\r
-* Copyright (c) 2011-2014, ARM Limited. All rights reserved.\r
-*\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 <PiPei.h>\r
-\r
-#include <Library/PrePiLib.h>\r
-#include <Library/PrintLib.h>\r
-#include <Library/PeCoffGetEntryPointLib.h>\r
-#include <Library/PrePiHobListPointerLib.h>\r
-#include <Library/TimerLib.h>\r
-#include <Library/PerformanceLib.h>\r
-#include <Library/CacheMaintenanceLib.h>\r
-\r
-#include <Ppi/GuidedSectionExtraction.h>\r
-#include <Ppi/ArmMpCoreInfo.h>\r
-#include <Guid/LzmaDecompress.h>\r
-#include <Guid/ArmGlobalVariableHob.h>\r
-\r
-#include "PrePi.h"\r
-#include "LzmaDecompress.h"\r
-\r
-// Not used when PrePi in run in XIP mode\r
-UINTN mGlobalVariableBase = 0;\r
-\r
-EFI_STATUS\r
-EFIAPI\r
-ExtractGuidedSectionLibConstructor (\r
- VOID\r
- );\r
-\r
-EFI_STATUS\r
-EFIAPI\r
-LzmaDecompressLibConstructor (\r
- VOID\r
- );\r
-\r
-VOID\r
-EFIAPI\r
-BuildGlobalVariableHob (\r
- IN EFI_PHYSICAL_ADDRESS GlobalVariableBase,\r
- IN UINT32 GlobalVariableSize\r
- )\r
-{\r
- ARM_HOB_GLOBAL_VARIABLE *Hob;\r
-\r
- Hob = CreateHob (EFI_HOB_TYPE_GUID_EXTENSION, sizeof (ARM_HOB_GLOBAL_VARIABLE));\r
- ASSERT(Hob != NULL);\r
-\r
- CopyGuid (&(Hob->Header.Name), &gArmGlobalVariableGuid);\r
- Hob->GlobalVariableBase = GlobalVariableBase;\r
- Hob->GlobalVariableSize = GlobalVariableSize;\r
-}\r
-\r
-EFI_STATUS\r
-GetPlatformPpi (\r
- IN EFI_GUID *PpiGuid,\r
- OUT VOID **Ppi\r
- )\r
-{\r
- UINTN PpiListSize;\r
- UINTN PpiListCount;\r
- EFI_PEI_PPI_DESCRIPTOR *PpiList;\r
- UINTN Index;\r
-\r
- PpiListSize = 0;\r
- ArmPlatformGetPlatformPpiList (&PpiListSize, &PpiList);\r
- PpiListCount = PpiListSize / sizeof(EFI_PEI_PPI_DESCRIPTOR);\r
- for (Index = 0; Index < PpiListCount; Index++, PpiList++) {\r
- if (CompareGuid (PpiList->Guid, PpiGuid) == TRUE) {\r
- *Ppi = PpiList->Ppi;\r
- return EFI_SUCCESS;\r
- }\r
- }\r
-\r
- return EFI_NOT_FOUND;\r
-}\r
-\r
-VOID\r
-PrePiMain (\r
- IN UINTN UefiMemoryBase,\r
- IN UINTN StacksBase,\r
- IN UINTN GlobalVariableBase,\r
- IN UINT64 StartTimeStamp\r
- )\r
-{\r
- EFI_HOB_HANDOFF_INFO_TABLE* HobList;\r
- EFI_STATUS Status;\r
- CHAR8 Buffer[100];\r
- UINTN CharCount;\r
- UINTN StacksSize;\r
-\r
- // Initialize the architecture specific bits\r
- ArchInitialize ();\r
-\r
- // Declare the PI/UEFI memory region\r
- HobList = HobConstructor (\r
- (VOID*)UefiMemoryBase,\r
- FixedPcdGet32 (PcdSystemMemoryUefiRegionSize),\r
- (VOID*)UefiMemoryBase,\r
- (VOID*)StacksBase // The top of the UEFI Memory is reserved for the stacks\r
- );\r
- PrePeiSetHobList (HobList);\r
-\r
- //\r
- // Ensure that the loaded image is invalidated in the caches, so that any\r
- // modifications we made with the caches and MMU off (such as the applied\r
- // relocations) don't become invisible once we turn them on.\r
- //\r
- InvalidateDataCacheRange((VOID *)(UINTN)PcdGet64 (PcdFdBaseAddress), PcdGet32 (PcdFdSize));\r
-\r
- // Initialize MMU and Memory HOBs (Resource Descriptor HOBs)\r
- Status = MemoryPeim (UefiMemoryBase, FixedPcdGet32 (PcdSystemMemoryUefiRegionSize));\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- // Initialize the Serial Port\r
- SerialPortInitialize ();\r
- CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"UEFI firmware (version %s built at %a on %a)\n\r",\r
- (CHAR16*)PcdGetPtr(PcdFirmwareVersionString), __TIME__, __DATE__);\r
- SerialPortWrite ((UINT8 *) Buffer, CharCount);\r
-\r
- // Create the Stacks HOB (reserve the memory for all stacks)\r
- StacksSize = PcdGet32 (PcdCPUCorePrimaryStackSize);\r
- BuildStackHob (StacksBase, StacksSize);\r
-\r
- // Declare the Global Variable HOB\r
- BuildGlobalVariableHob (GlobalVariableBase, FixedPcdGet32 (PcdPeiGlobalVariableSize));\r
-\r
- //TODO: Call CpuPei as a library\r
- BuildCpuHob (PcdGet8 (PcdPrePiCpuMemorySize), PcdGet8 (PcdPrePiCpuIoSize));\r
-\r
- // Set the Boot Mode\r
- SetBootMode (ArmPlatformGetBootMode ());\r
-\r
- // Initialize Platform HOBs (CpuHob and FvHob)\r
- Status = PlatformPeim ();\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- // Now, the HOB List has been initialized, we can register performance information\r
- PERF_START (NULL, "PEI", NULL, StartTimeStamp);\r
-\r
- // SEC phase needs to run library constructors by hand.\r
- ExtractGuidedSectionLibConstructor ();\r
- LzmaDecompressLibConstructor ();\r
-\r
- // Build HOBs to pass up our version of stuff the DXE Core needs to save space\r
- BuildPeCoffLoaderHob ();\r
- BuildExtractSectionHob (\r
- &gLzmaCustomDecompressGuid,\r
- LzmaGuidedSectionGetInfo,\r
- LzmaGuidedSectionExtraction\r
- );\r
-\r
- // Assume the FV that contains the SEC (our code) also contains a compressed FV.\r
- Status = DecompressFirstFv ();\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- // Load the DXE Core and transfer control to it\r
- Status = LoadDxeCoreFromFv (NULL, 0);\r
- ASSERT_EFI_ERROR (Status);\r
-}\r
-\r
-VOID\r
-CEntryPoint (\r
- IN UINTN MpId,\r
- IN UINTN UefiMemoryBase,\r
- IN UINTN StacksBase,\r
- IN UINTN GlobalVariableBase\r
- )\r
-{\r
- UINT64 StartTimeStamp;\r
-\r
- // Initialize the platform specific controllers\r
- ArmPlatformInitialize (MpId);\r
-\r
- if (PerformanceMeasurementEnabled ()) {\r
- // Initialize the Timer Library to setup the Timer HW controller\r
- TimerConstructor ();\r
- // We cannot call yet the PerformanceLib because the HOB List has not been initialized\r
- StartTimeStamp = GetPerformanceCounter ();\r
- } else {\r
- StartTimeStamp = 0;\r
- }\r
-\r
- // Data Cache enabled on Primary core when MMU is enabled.\r
- ArmDisableDataCache ();\r
- // Invalidate Data cache\r
- ArmInvalidateDataCache ();\r
- // Invalidate instruction cache\r
- ArmInvalidateInstructionCache ();\r
- // Enable Instruction Caches on all cores.\r
- ArmEnableInstructionCache ();\r
-\r
- // Define the Global Variable region\r
- mGlobalVariableBase = GlobalVariableBase;\r
-\r
- PrePiMain (UefiMemoryBase, StacksBase, GlobalVariableBase, StartTimeStamp);\r
-\r
- // DXE Core should always load and never return\r
- ASSERT (FALSE);\r
-}\r
projects / mirror_edk2.git / blobdiff