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;
CHAR8 PrintBuffer[256];
ClearScreen();
PrintString("Enter DxeIpl ...\n");
/*
ClearScreen();
PrintString("handoff:\n");
PrintString("Handoff.BfvBase = ");
PrintValue64((UINT64)(UINTN)Handoff->BfvBase);
PrintString(", ");
PrintString("BfvLength = ");
PrintValue64(Handoff->BfvSize);
PrintString("\n");
PrintString("Handoff.DxeIplImageBase = ");
PrintValue64((UINT64)(UINTN)Handoff->DxeIplImageBase);
PrintString(", ");
PrintString("DxeIplImageSize = ");
PrintValue64(Handoff->DxeIplImageSize);
PrintString("\n");
PrintString("Handoff.DxeCoreImageBase = ");
PrintValue64((UINT64)(UINTN)Handoff->DxeCoreImageBase);
PrintString(", ");
PrintString("DxeCoreImageSize = ");
PrintValue64(Handoff->DxeCoreImageSize);
PrintString("\n");
*/
//
// 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);
AsciiSPrint (PrintBuffer, 256, "NV Storage Base=0x%x\n", (UINTN)NvStorageBase);
PrintString (PrintBuffer);
// 3.2 Stack
StackTop = NvStorageBase;
StackBottom = PrepareHobStack (StackTop);
AsciiSPrint (PrintBuffer, 256, "Stack Top=0x%x, Stack Bottom=0x%x\n",
(UINTN)StackTop, (UINTN)StackBottom);
PrintString (PrintBuffer);
// 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 ();
AsciiSPrint (PrintBuffer, 256, "HobStart=0x%x\n", (UINTN)gHob);
PrintString (PrintBuffer);
AsciiSPrint (PrintBuffer, 256, "Memory Top=0x%x, Bottom=0x%x\n",
(UINTN)gHob->Phit.EfiMemoryTop, (UINTN)gHob->Phit.EfiMemoryBottom);
PrintString (PrintBuffer);
AsciiSPrint (PrintBuffer, 256, "Free Memory Top=0x%x, Bottom=0x%x\n",
(UINTN)gHob->Phit.EfiFreeMemoryTop, (UINTN)gHob->Phit.EfiFreeMemoryBottom);
PrintString (PrintBuffer);
AsciiSPrint (PrintBuffer, 256, "Nv Base=0x%x, Length=0x%x\n",
(UINTN)gHob->NvStorageFvb.FvbInfo.Entries[0].Base,
(UINTN)gHob->NvFtwFvb.FvbInfo.Entries[0].Length);
PrintString (PrintBuffer);
/*
//
// Print Hob Info
//
ClearScreen();
PrintString("Hob Info\n");
PrintString("Phit.EfiMemoryTop = ");
PrintValue64(gHob->Phit.EfiMemoryTop);
PrintString(" Phit.EfiMemoryBottom = ");
PrintValue64(gHob->Phit.EfiMemoryBottom);
PrintString("\n");
PrintString("Phit.EfiFreeMemoryTop = ");
PrintValue64(gHob->Phit.EfiFreeMemoryTop);
PrintString(" Phit.EfiFreeMemoryBottom = ");
PrintValue64(gHob->Phit.EfiFreeMemoryBottom);
PrintString("\n");
PrintString("Bfv = ");
PrintValue64(gHob->Bfv.BaseAddress);
PrintString(" BfvLength = ");
PrintValue64(gHob->Bfv.Length);
PrintString("\n");
PrintString("NvStorageFvb = ");
PrintValue64(gHob->NvStorageFvb.FvbInfo.Entries[0].Base);
PrintString(" Length = ");
PrintValue64(gHob->NvStorageFvb.FvbInfo.Entries[0].Length);
PrintString("\n");
PrintString("NvFtwFvb = ");
PrintValue64(gHob->NvFtwFvb.FvbInfo.Entries[0].Base);
PrintString(" Length = ");
PrintValue64(gHob->NvFtwFvb.FvbInfo.Entries[0].Length);
PrintString("\n");
PrintString("BfvResource = ");
PrintValue64(gHob->BfvResource.PhysicalStart);
PrintString(" Length = ");
PrintValue64(gHob->BfvResource.ResourceLength);
PrintString("\n");
PrintString("NvStorageFvResource = ");
PrintValue64(gHob->NvStorageFvResource.PhysicalStart);
PrintString(" Length = ");
PrintValue64(gHob->NvStorageFvResource.ResourceLength);
PrintString("\n");
PrintString("NvStorage = ");
PrintValue64(gHob->NvStorage.FvbInfo.Entries[0].Base);
PrintString(" Length = ");
PrintValue64(gHob->NvStorage.FvbInfo.Entries[0].Length);
PrintString("\n");
PrintString("NvFtwFvResource = ");
PrintValue64(gHob->NvFtwFvResource.PhysicalStart);
PrintString(" Length = ");
PrintValue64(gHob->NvFtwFvResource.ResourceLength);
PrintString("\n");
PrintString("NvFtwWorking = ");
PrintValue64(gHob->NvFtwWorking.FvbInfo.Entries[0].Base);
PrintString(" Length = ");
PrintValue64(gHob->NvFtwWorking.FvbInfo.Entries[0].Length);
PrintString("\n");
PrintString("NvFtwSpare = ");
PrintValue64(gHob->NvFtwSpare.FvbInfo.Entries[0].Base);
PrintString(" Length = ");
PrintValue64(gHob->NvFtwSpare.FvbInfo.Entries[0].Length);
PrintString("\n");
PrintString("Stack = ");
PrintValue64(gHob->Stack.AllocDescriptor.MemoryBaseAddress);
PrintString(" StackLength = ");
PrintValue64(gHob->Stack.AllocDescriptor.MemoryLength);
PrintString("\n");
PrintString("PageTable = ");
PrintValue64((UINTN)PageTableBase);
PrintString("\n");
PrintString("MemoryFreeUnder1MB = ");
PrintValue64(gHob->MemoryFreeUnder1MB.PhysicalStart);
PrintString(" MemoryFreeUnder1MBLength = ");
PrintValue64(gHob->MemoryFreeUnder1MB.ResourceLength);
PrintString("\n");
PrintString("MemoryAbove1MB = ");
PrintValue64(gHob->MemoryAbove1MB.PhysicalStart);
PrintString(" MemoryAbove1MBLength = ");
PrintValue64(gHob->MemoryAbove1MB.ResourceLength);
PrintString("\n");
PrintString("MemoryAbove4GB = ");
PrintValue64(gHob->MemoryAbove4GB.PhysicalStart);
PrintString(" MemoryAbove4GBLength = ");
PrintValue64(gHob->MemoryAbove4GB.ResourceLength);
PrintString("\n");
PrintString("DxeCore = ");
PrintValue64(gHob->DxeCore.MemoryAllocationHeader.MemoryBaseAddress);
PrintString(" DxeCoreLength = ");
PrintValue64(gHob->DxeCore.MemoryAllocationHeader.MemoryLength);
PrintString("\n");
PrintString("MemoryAllocation = ");
PrintValue64(gHob->MemoryAllocation.AllocDescriptor.MemoryBaseAddress);
PrintString(" MemoryLength = ");
PrintValue64(gHob->MemoryAllocation.AllocDescriptor.MemoryLength);
PrintString("\n");
EFI_DEADLOOP();
*/
ClearScreen();
PrintString("\n\n\n\n\n\n\n\n\n\n");
PrintString(" WELCOME TO EFI WORLD!\n");
EnterDxeMain (StackTop, Handoff->DxeCoreEntryPoint, gHob, PageTableBase);
PrintString("Fail to enter DXE main!\n");
//
// Should never get here
//
CpuDeadLoop ();
}
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;
#if 0
UINT32 rcba;
UINT32 *fdr;
rcba = 0xFED1C000;
fdr = ((UINT32 *) (UINTN) (rcba + 0x3418));
*fdr &= ~0x8;
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
);
#endif
//
// 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
//
// 1. BFV
//
#if 0
PrintString ("Prepare Cpu HOB information ...\n");
#endif
PrepareHobCpu ();
#if 0
PrintString ("Prepare BFV HOB information ...\n");
#endif
PrepareHobBfv (Handoff->BfvBase, Handoff->BfvSize);
//
// 2. Updates Memory information, and get the top free address under 4GB
//
#if 0
PrintString ("Prepare Memory HOB information ...\n");
#endif
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
#if 0
PrintString ("Prepare NV Storage information ...\n");
#endif
NvStorageBase = PrepareHobNvStorage (MemoryTopOnDescriptor);
#if 0
PrintString ("NV Storage Base = %p\n", NvStorageBase);
#endif
// 3.2 Stack
StackTop = NvStorageBase;
StackBottom = PrepareHobStack (StackTop);
#if 0
PrintString ("Stack Top=0x%x, Stack Bottom=0x%x\n", StackTop, StackBottom);
#endif
// 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
//
#if 0
PrintString ("Prepare DxeCore memory Hob ...\n");
#endif
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
//
#if 0
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"
);
#endif
EnterDxeMain (StackTop, Handoff->DxeCoreEntryPoint, gHob, PageTableBase);
PrintString ("Fail to enter DXE main!\n");
//
// Should never get here
//
CpuDeadLoop ();
}