2c936d7c39
The PrePi code we inherited from ArmPlatformPkg contains a rather obscure optimization, where entry points of the PE/COFF and LZMA handling routines are recorded in special HOBs, allowing DXE core to call into that code directly rather than carry its own copy of these libraries. Given that no ArmVirtPkg platforms actually include the library resolutions* that take advantage of these optimizations, let's not bother with them, and remove the associated code. * EmbeddedPkg/Library/LzmaHobCustomDecompressLib/LzmaHobCustomDecompressLib.inf EmbeddedPkg/Library/DxeHobPeCoffLib/DxeHobPeCoffLib.inf Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Acked-by: Laszlo Ersek <lersek@redhat.com>
137 lines
4.3 KiB
C
Executable File
137 lines
4.3 KiB
C
Executable File
/** @file
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*
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* Copyright (c) 2011-2014, ARM Limited. All rights reserved.
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*
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* This program and the accompanying materials
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* are licensed and made available under the terms and conditions of the BSD License
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* which accompanies this distribution. The full text of the license may be found at
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* http://opensource.org/licenses/bsd-license.php
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*
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* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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*
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**/
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#include <PiPei.h>
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#include <Pi/PiBootMode.h>
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#include <Library/PrePiLib.h>
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#include <Library/PrintLib.h>
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#include <Library/PrePiHobListPointerLib.h>
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#include <Library/TimerLib.h>
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#include <Library/PerformanceLib.h>
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#include <Library/CacheMaintenanceLib.h>
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#include <Ppi/GuidedSectionExtraction.h>
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#include <Ppi/ArmMpCoreInfo.h>
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#include "PrePi.h"
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VOID
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EFIAPI
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ProcessLibraryConstructorList (
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VOID
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);
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VOID
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PrePiMain (
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IN UINTN UefiMemoryBase,
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IN UINTN StacksBase,
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IN UINT64 StartTimeStamp
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)
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{
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EFI_HOB_HANDOFF_INFO_TABLE* HobList;
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EFI_STATUS Status;
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CHAR8 Buffer[100];
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UINTN CharCount;
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UINTN StacksSize;
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// Initialize the architecture specific bits
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ArchInitialize ();
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// Declare the PI/UEFI memory region
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HobList = HobConstructor (
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(VOID*)UefiMemoryBase,
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FixedPcdGet32 (PcdSystemMemoryUefiRegionSize),
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(VOID*)UefiMemoryBase,
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(VOID*)StacksBase // The top of the UEFI Memory is reserved for the stacks
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);
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PrePeiSetHobList (HobList);
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//
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// Ensure that the loaded image is invalidated in the caches, so that any
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// modifications we made with the caches and MMU off (such as the applied
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// relocations) don't become invisible once we turn them on.
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//
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InvalidateDataCacheRange((VOID *)(UINTN)PcdGet64 (PcdFdBaseAddress), PcdGet32 (PcdFdSize));
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// Initialize MMU and Memory HOBs (Resource Descriptor HOBs)
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Status = MemoryPeim (UefiMemoryBase, FixedPcdGet32 (PcdSystemMemoryUefiRegionSize));
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ASSERT_EFI_ERROR (Status);
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// Initialize the Serial Port
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SerialPortInitialize ();
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CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"UEFI firmware (version %s built at %a on %a)\n\r",
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(CHAR16*)PcdGetPtr(PcdFirmwareVersionString), __TIME__, __DATE__);
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SerialPortWrite ((UINT8 *) Buffer, CharCount);
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// Create the Stacks HOB (reserve the memory for all stacks)
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StacksSize = PcdGet32 (PcdCPUCorePrimaryStackSize);
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BuildStackHob (StacksBase, StacksSize);
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//TODO: Call CpuPei as a library
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BuildCpuHob (PcdGet8 (PcdPrePiCpuMemorySize), PcdGet8 (PcdPrePiCpuIoSize));
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// Set the Boot Mode
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SetBootMode (BOOT_WITH_FULL_CONFIGURATION);
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// Initialize Platform HOBs (CpuHob and FvHob)
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Status = PlatformPeim ();
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ASSERT_EFI_ERROR (Status);
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// Now, the HOB List has been initialized, we can register performance information
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PERF_START (NULL, "PEI", NULL, StartTimeStamp);
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// SEC phase needs to run library constructors by hand.
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ProcessLibraryConstructorList ();
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// Assume the FV that contains the SEC (our code) also contains a compressed FV.
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Status = DecompressFirstFv ();
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ASSERT_EFI_ERROR (Status);
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// Load the DXE Core and transfer control to it
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Status = LoadDxeCoreFromFv (NULL, 0);
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ASSERT_EFI_ERROR (Status);
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}
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VOID
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CEntryPoint (
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IN UINTN MpId,
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IN UINTN UefiMemoryBase,
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IN UINTN StacksBase
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)
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{
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UINT64 StartTimeStamp;
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if (PerformanceMeasurementEnabled ()) {
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// Initialize the Timer Library to setup the Timer HW controller
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TimerConstructor ();
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// We cannot call yet the PerformanceLib because the HOB List has not been initialized
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StartTimeStamp = GetPerformanceCounter ();
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} else {
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StartTimeStamp = 0;
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}
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// Data Cache enabled on Primary core when MMU is enabled.
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ArmDisableDataCache ();
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// Invalidate instruction cache
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ArmInvalidateInstructionCache ();
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// Enable Instruction Caches on all cores.
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ArmEnableInstructionCache ();
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PrePiMain (UefiMemoryBase, StacksBase, StartTimeStamp);
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// DXE Core should always load and never return
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ASSERT (FALSE);
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}
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