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diff --git a/DuetPkg/DxeIpl/DxeInit.c b/DuetPkg/DxeIpl/DxeInit.c
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--- a/DuetPkg/DxeIpl/DxeInit.c
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-/** @file
-
-Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
-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:
- DxeInit.c
-
-Abstract:
-
-Revision History:
-
-**/
-
-#include "DxeIpl.h"
-
-#include "LegacyTable.h"
-#include "HobGeneration.h"
-#include "PpisNeededByDxeCore.h"
-#include "Debug.h"
-
-/*
---------------------------------------------------------
- Memory Map: (XX=32,64)
---------------------------------------------------------
-0x0
- IVT
-0x400
- BDA
-0x500
-
-0x7C00
- BootSector
-0x10000
- EfiLdr (relocate by efiXX.COM)
-0x15000
- Efivar.bin (Load by StartXX.COM)
-0x20000
- StartXX.COM (E820 table, Temporary GDT, Temporary IDT)
-0x21000
- EfiXX.COM (Temporary Interrupt Handler)
-0x22000
- EfiLdr.efi + DxeIpl.Z + DxeMain.Z + BFV.Z
-0x86000
- MemoryFreeUnder1M (For legacy driver DMA)
-0x90000
- Temporary 4G PageTable for X64 (6 page)
-0x9F800
- EBDA
-0xA0000
- VGA
-0xC0000
- OPROM
-0xE0000
- FIRMEWARE
-0x100000 (1M)
- Temporary Stack (1M)
-0x200000
-
-MemoryAbove1MB.PhysicalStart <-----------------------------------------------------+
- ... |
- ... |
- <- Phit.EfiMemoryBottom -------------------+ |
- HOB | |
- <- Phit.EfiFreeMemoryBottom | |
- | MemoryFreeAbove1MB.ResourceLength
- <- Phit.EfiFreeMemoryTop ------+ | |
- MemoryDescriptor (For ACPINVS, ACPIReclaim) | 4M = CONSUMED_MEMORY |
- | | |
- Permament 4G PageTable for IA32 or MemoryAllocation | |
- Permament 64G PageTable for X64 | | |
- <------------------------------+ | |
- Permament Stack (0x20 Pages = 128K) | |
- <- Phit.EfiMemoryTop ----------+-----------+---------------+
- NvFV (64K) |
- MMIO
- FtwFV (128K) |
- <----------------------------------------------------------+<---------+
- DxeCore | |
- DxeCore |
- DxeIpl | Allocated in EfiLdr
- <----------------------------------------------------------+ |
- BFV MMIO |
- <- Top of Free Memory reported by E820 --------------------+<---------+
- ACPINVS or
- ACPIReclaim or
- Reserved
- <- Memory Top on RealMemory
-
-0x100000000 (4G)
-
-MemoryFreeAbove4G.Physicalstart <--------------------------------------------------+
- |
- |
- MemoryFreeAbove4GB.ResourceLength
- |
- |
- <--------------------------------------------------+
-*/
-
-VOID
-EnterDxeMain (
- IN VOID *StackTop,
- IN VOID *DxeCoreEntryPoint,
- IN VOID *Hob,
- IN VOID *PageTable
- );
-
-VOID
-DxeInit (
- IN EFILDRHANDOFF *Handoff
- )
-/*++
-
- Routine Description:
-
- This is the entry point after this code has been loaded into memory.
-
-Arguments:
-
-
-Returns:
-
- Calls into EFI Firmware
-
---*/
-{
- VOID *StackTop;
- VOID *StackBottom;
- VOID *PageTableBase;
- VOID *MemoryTopOnDescriptor;
- VOID *MemoryDescriptor;
- VOID *NvStorageBase;
- EFILDRHANDOFF HandoffCopy;
-
- CopyMem ((VOID*) &HandoffCopy, (VOID*) Handoff, sizeof (EFILDRHANDOFF));
- Handoff = &HandoffCopy;
-
- ClearScreen();
-
- PrintString (
- "Enter DxeIpl ...\n"
- "Handoff:\n"
- "Handoff.BfvBase = %p, BfvLength = %x\n"
- "Handoff.DxeIplImageBase = %p, DxeIplImageSize = %x\n"
- "Handoff.DxeCoreImageBase = %p, DxeCoreImageSize = %x\n",
- Handoff->BfvBase, Handoff->BfvSize,
- Handoff->DxeIplImageBase, Handoff->DxeIplImageSize,
- Handoff->DxeCoreImageBase, Handoff->DxeCoreImageSize
- );
-
- //
- // Hob Generation Guild line:
- // * Don't report FV as physical memory
- // * MemoryAllocation Hob should only cover physical memory
- // * Use ResourceDescriptor Hob to report physical memory or Firmware Device and they shouldn't be overlapped
- PrintString ("Prepare Cpu HOB information ...\n");
- PrepareHobCpu ();
-
- //
- // 1. BFV
- //
- PrintString ("Prepare BFV HOB information ...\n");
- PrepareHobBfv (Handoff->BfvBase, Handoff->BfvSize);
-
- //
- // 2. Updates Memory information, and get the top free address under 4GB
- //
- PrintString ("Prepare Memory HOB information ...\n");
- MemoryTopOnDescriptor = PrepareHobMemory (Handoff->MemDescCount, Handoff->MemDesc);
-
- //
- // 3. Put [NV], [Stack], [PageTable], [MemDesc], [HOB] just below the [top free address under 4GB]
- //
-
- // 3.1 NV data
- PrintString ("Prepare NV Storage information ...\n");
- NvStorageBase = PrepareHobNvStorage (MemoryTopOnDescriptor);
- PrintString ("NV Storage Base = %p\n", NvStorageBase);
- // 3.2 Stack
- StackTop = NvStorageBase;
- StackBottom = PrepareHobStack (StackTop);
- PrintString ("Stack Top=0x%x, Stack Bottom=0x%x\n", StackTop, StackBottom);
- // 3.3 Page Table
- PageTableBase = PreparePageTable (StackBottom, gHob->Cpu.SizeOfMemorySpace);
- // 3.4 MemDesc (will be used in PlatformBds)
- MemoryDescriptor = PrepareHobMemoryDescriptor (PageTableBase, Handoff->MemDescCount, Handoff->MemDesc);
- // 3.5 Copy the Hob itself to EfiMemoryBottom, and update the PHIT Hob
- PrepareHobPhit (StackTop, MemoryDescriptor);
-
- //
- // 4. Register the memory occupied by DxeCore and DxeIpl together as DxeCore
- //
- PrintString ("Prepare DxeCore memory Hob ...\n");
- PrepareHobDxeCore (
- Handoff->DxeCoreEntryPoint,
- (EFI_PHYSICAL_ADDRESS)(UINTN)Handoff->DxeCoreImageBase,
- (UINTN)Handoff->DxeIplImageBase + (UINTN)Handoff->DxeIplImageSize - (UINTN)Handoff->DxeCoreImageBase
- );
-
- PrepareHobLegacyTable (gHob);
-
- PreparePpisNeededByDxeCore (gHob);
-
- CompleteHobGeneration ();
-
- //
- // Print Hob Info
- //
- ClearScreen();
- PrintString (
- "HobStart = %p\n"
- "Memory Top = %lx, Bottom = %lx\n"
- "Free Memory Top = %lx, Bottom = %lx\n"
- "NvStorageFvb = %lx, Length = %lx\n"
- "BfvResource = %lx, Length = %lx\n"
- "NvStorageFvResource = %lx, Length = %lx\n"
- "NvStorage = %lx, Length = %lx\n"
- "NvFtwFvResource = %lx, Length = %lx\n"
- "NvFtwWorking = %lx, Length = %lx\n"
- "NvFtwSpare = %lx, Length = %lx\n"
- "Stack = %lx, StackLength = %lx\n"
- "PageTable = %p\n"
- "MemoryFreeUnder1MB = %lx, MemoryFreeUnder1MBLength = %lx\n"
- "MemoryAbove1MB = %lx, MemoryAbove1MBLength = %lx\n"
- "MemoryAbove4GB = %lx, MemoryAbove4GBLength = %lx\n"
- "DxeCore = %lx, DxeCoreLength = %lx\n"
- "MemoryAllocation = %lx, MemoryLength = %lx\n"
- "$",
- gHob,
- gHob->Phit.EfiMemoryTop, gHob->Phit.EfiMemoryBottom,
- gHob->Phit.EfiFreeMemoryTop, gHob->Phit.EfiFreeMemoryBottom,
- gHob->NvStorageFvb.FvbInfo.Entries[0].Base, gHob->NvFtwFvb.FvbInfo.Entries[0].Length,
- gHob->BfvResource.PhysicalStart, gHob->BfvResource.ResourceLength,
- gHob->NvStorageFvResource.PhysicalStart, gHob->NvStorageFvResource.ResourceLength,
- gHob->NvStorage.FvbInfo.Entries[0].Base, gHob->NvStorage.FvbInfo.Entries[0].Length,
- gHob->NvFtwFvResource.PhysicalStart, gHob->NvFtwFvResource.ResourceLength,
- gHob->NvFtwWorking.FvbInfo.Entries[0].Base, gHob->NvFtwWorking.FvbInfo.Entries[0].Length,
- gHob->NvFtwSpare.FvbInfo.Entries[0].Base, gHob->NvFtwSpare.FvbInfo.Entries[0].Length,
- gHob->Stack.AllocDescriptor.MemoryBaseAddress, gHob->Stack.AllocDescriptor.MemoryLength,
- PageTableBase,
- gHob->MemoryFreeUnder1MB.PhysicalStart, gHob->MemoryFreeUnder1MB.ResourceLength,
- gHob->MemoryAbove1MB.PhysicalStart, gHob->MemoryAbove1MB.ResourceLength,
- gHob->MemoryAbove4GB.PhysicalStart, gHob->MemoryAbove4GB.ResourceLength,
- gHob->DxeCore.MemoryAllocationHeader.MemoryBaseAddress, gHob->DxeCore.MemoryAllocationHeader.MemoryLength,
- gHob->MemoryAllocation.AllocDescriptor.MemoryBaseAddress, gHob->MemoryAllocation.AllocDescriptor.MemoryLength
- );
-
- ClearScreen();
- PrintString (
- "\n\n\n\n\n\n\n\n\n\n"
- " WELCOME TO EFI WORLD!\n"
- );
-
- EnterDxeMain (StackTop, Handoff->DxeCoreEntryPoint, gHob, PageTableBase);
- PrintString ("Fail to enter DXE main!\n");
-
- //
- // Should never get here
- //
- CpuDeadLoop ();
-}
-
-EFI_STATUS
-EFIAPI
-_ModuleEntryPoint (
- IN EFILDRHANDOFF *Handoff
- )
-{
- DxeInit(Handoff);
- return EFI_SUCCESS;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-05 02:36:25 +0000