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/*++

Copyright (c) 2006, Intel Corporation
All rights reserved. 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:

  DxeIpl.h

Abstract:

--*/

#ifndef __PEI_DXEIPL_H__
#define __PEI_DXEIPL_H__

#define STACK_SIZE      0x20000
#define BSP_STORE_SIZE  0x4000

#define GET_OCCUPIED_SIZE(ActualSize, Alignment) ((ActualSize + (Alignment - 1)) & ~(Alignment - 1))

extern BOOLEAN gInMemory;

/**
  Transfers control to a function starting with a new stack.

  Transfers control to the function specified by EntryPoint using the new stack
  specified by NewStack and passing in the parameters specified by Context1 and
  Context2. Context1 and Context2 are optional and may be NULL. The function
  EntryPoint must never return.

  If EntryPoint is NULL, then ASSERT().
  If NewStack is NULL, then ASSERT().

  @param  EntryPoint  A pointer to function to call with the new stack.
  @param  Context1    A pointer to the context to pass into the EntryPoint
                      function.
  @param  Context2    A pointer to the context to pass into the EntryPoint
                      function.
  @param  NewStack    A pointer to the new stack to use for the EntryPoint
                      function.
  @param  NewBsp      A pointer to the new BSP for the EntryPoint on IPF. It's
                      Reserved on other architectures.

**/
VOID
EFIAPI
SwitchIplStacks (
  IN      SWITCH_STACK_ENTRY_POINT  EntryPoint,
  IN      VOID                      *Context1,  OPTIONAL
  IN      VOID                      *Context2,  OPTIONAL
  IN      VOID                      *NewStack,
  IN      VOID                      *NewBsp
  );

EFI_STATUS
PeiFindFile (
  IN  UINT8                  Type,
  IN  UINT16                 SectionType,
  OUT EFI_GUID               *FileName,
  OUT VOID                   **Pe32Data
  )
;

EFI_STATUS
PeiLoadFile (
  IN  EFI_PEI_PE_COFF_LOADER_PROTOCOL           *PeiEfiPeiPeCoffLoader,
  IN  VOID                                      *Pe32Data,
  OUT EFI_PHYSICAL_ADDRESS                      *ImageAddress,
  OUT UINT64                                    *ImageSize,
  OUT EFI_PHYSICAL_ADDRESS                      *EntryPoint
  )
;


EFI_STATUS
CreateArchSpecificHobs (
  OUT EFI_PHYSICAL_ADDRESS                      *BspStore
  )
;

EFI_STATUS
GetImageReadFunction (
  IN      PE_COFF_LOADER_IMAGE_CONTEXT  *ImageContext
  )
;

EFI_STATUS
PeiImageRead (
  IN     VOID    *FileHandle,
  IN     UINTN   FileOffset,
  IN OUT UINTN   *ReadSize,
  OUT    VOID    *Buffer
  )
;

EFI_STATUS
EFIAPI
DxeIplLoadFile (
  IN EFI_PEI_FV_FILE_LOADER_PPI                 *This,
  IN  EFI_FFS_FILE_HEADER                       *FfsHeader,
  OUT EFI_PHYSICAL_ADDRESS                      *ImageAddress,
  OUT UINT64                                    *ImageSize,
  OUT EFI_PHYSICAL_ADDRESS                      *EntryPoint
  );

EFI_STATUS
ShadowDxeIpl (
  IN EFI_FFS_FILE_HEADER                       *DxeIpl,
  IN EFI_PEI_PE_COFF_LOADER_PROTOCOL           *PeiEfiPeiPeCoffLoader
  );

EFI_STATUS
EFIAPI
DxeLoadCore (
  IN EFI_DXE_IPL_PPI       *This,
  IN EFI_PEI_SERVICES      **PeiServices,
  IN EFI_PEI_HOB_POINTERS  HobList
  );

EFI_STATUS
PeiProcessFile (
  IN      UINT16                 SectionType,
  IN      EFI_FFS_FILE_HEADER    *FfsFileHeader,
  OUT     VOID                   **Pe32Data,
  IN      EFI_PEI_HOB_POINTERS   *OrigHob
  );

EFI_STATUS
EFIAPI
PeimInitializeDxeIpl (
  IN EFI_FFS_FILE_HEADER       *FfsHeader,
  IN EFI_PEI_SERVICES          **PeiServices
  );

EFI_STATUS
PeiLoadx64File (
  IN  EFI_PEI_PE_COFF_LOADER_PROTOCOL           *PeiEfiPeiPeCoffLoader,
  IN  VOID                                      *Pe32Data,
  IN  EFI_MEMORY_TYPE                           MemoryType,
  OUT EFI_PHYSICAL_ADDRESS                      *ImageAddress,
  OUT UINT64                                    *ImageSize,
  OUT EFI_PHYSICAL_ADDRESS                      *EntryPoint
  )
;

EFI_PHYSICAL_ADDRESS
CreateIdentityMappingPageTables (
  IN UINT32                NumberOfProcessorPhysicalAddressBits
  )
;

VOID
ActivateLongMode (
  IN  EFI_PHYSICAL_ADDRESS  PageTables,
  IN  EFI_PHYSICAL_ADDRESS  HobStart,
  IN  EFI_PHYSICAL_ADDRESS  Stack,
  IN  EFI_PHYSICAL_ADDRESS  CodeEntryPoint1,
  IN  EFI_PHYSICAL_ADDRESS  CodeEntryPoint2
  );

VOID
LoadGo64Gdt();

#endif