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- /** @file
- *
- * Copyright (c) 2011-2014, ARM Limited. All rights reserved.
- *
- * SPDX-License-Identifier: BSD-2-Clause-Patent
- *
- **/
- #include <PiPei.h>
- #include <Pi/PiBootMode.h>
- #include <Library/PrePiLib.h>
- #include <Library/PrintLib.h>
- #include <Library/PrePiHobListPointerLib.h>
- #include <Library/TimerLib.h>
- #include <Library/PerformanceLib.h>
- #include <Library/CacheMaintenanceLib.h>
- #include <Ppi/GuidedSectionExtraction.h>
- #include <Ppi/ArmMpCoreInfo.h>
- #include "PrePi.h"
- VOID
- EFIAPI
- ProcessLibraryConstructorList (
- VOID
- );
- VOID
- PrePiMain (
- IN UINTN UefiMemoryBase,
- IN UINTN StacksBase,
- IN UINT64 StartTimeStamp
- )
- {
- EFI_HOB_HANDOFF_INFO_TABLE* HobList;
- EFI_STATUS Status;
- CHAR8 Buffer[100];
- UINTN CharCount;
- UINTN StacksSize;
- // Initialize the architecture specific bits
- ArchInitialize ();
- // Declare the PI/UEFI memory region
- HobList = HobConstructor (
- (VOID*)UefiMemoryBase,
- FixedPcdGet32 (PcdSystemMemoryUefiRegionSize),
- (VOID*)UefiMemoryBase,
- (VOID*)StacksBase // The top of the UEFI Memory is reserved for the stacks
- );
- PrePeiSetHobList (HobList);
- //
- // Ensure that the loaded image is invalidated in the caches, so that any
- // modifications we made with the caches and MMU off (such as the applied
- // relocations) don't become invisible once we turn them on.
- //
- InvalidateDataCacheRange((VOID *)(UINTN)PcdGet64 (PcdFdBaseAddress), PcdGet32 (PcdFdSize));
- // Initialize MMU and Memory HOBs (Resource Descriptor HOBs)
- Status = MemoryPeim (UefiMemoryBase, FixedPcdGet32 (PcdSystemMemoryUefiRegionSize));
- ASSERT_EFI_ERROR (Status);
- // Initialize the Serial Port
- SerialPortInitialize ();
- CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"UEFI firmware (version %s built at %a on %a)\n\r",
- (CHAR16*)PcdGetPtr(PcdFirmwareVersionString), __TIME__, __DATE__);
- SerialPortWrite ((UINT8 *) Buffer, CharCount);
- // Create the Stacks HOB (reserve the memory for all stacks)
- StacksSize = PcdGet32 (PcdCPUCorePrimaryStackSize);
- BuildStackHob (StacksBase, StacksSize);
- //TODO: Call CpuPei as a library
- BuildCpuHob (ArmGetPhysicalAddressBits (), PcdGet8 (PcdPrePiCpuIoSize));
- // Set the Boot Mode
- SetBootMode (BOOT_WITH_FULL_CONFIGURATION);
- // Initialize Platform HOBs (CpuHob and FvHob)
- Status = PlatformPeim ();
- ASSERT_EFI_ERROR (Status);
- // Now, the HOB List has been initialized, we can register performance information
- PERF_START (NULL, "PEI", NULL, StartTimeStamp);
- // SEC phase needs to run library constructors by hand.
- ProcessLibraryConstructorList ();
- // Assume the FV that contains the SEC (our code) also contains a compressed FV.
- Status = DecompressFirstFv ();
- ASSERT_EFI_ERROR (Status);
- // Load the DXE Core and transfer control to it
- Status = LoadDxeCoreFromFv (NULL, 0);
- ASSERT_EFI_ERROR (Status);
- }
- VOID
- CEntryPoint (
- IN UINTN MpId,
- IN UINTN UefiMemoryBase,
- IN UINTN StacksBase
- )
- {
- UINT64 StartTimeStamp;
- if (PerformanceMeasurementEnabled ()) {
- // Initialize the Timer Library to setup the Timer HW controller
- TimerConstructor ();
- // We cannot call yet the PerformanceLib because the HOB List has not been initialized
- StartTimeStamp = GetPerformanceCounter ();
- } else {
- StartTimeStamp = 0;
- }
- // Data Cache enabled on Primary core when MMU is enabled.
- ArmDisableDataCache ();
- // Invalidate instruction cache
- ArmInvalidateInstructionCache ();
- // Enable Instruction Caches on all cores.
- ArmEnableInstructionCache ();
- PrePiMain (UefiMemoryBase, StacksBase, StartTimeStamp);
- // DXE Core should always load and never return
- ASSERT (FALSE);
- }
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