mirror of https://github.com/acidanthera/audk.git
101 lines
4.0 KiB
C
101 lines
4.0 KiB
C
/** @file
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Load File protocol.
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Load file protocol exists to supports the addition of new boot devices,
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and to support booting from devices that do not map well to file system.
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Network boot is done via a LoadFile protocol.
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UEFI 2.0 can boot from any device that produces a LoadFile protocol.
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Copyright (c) 2006 - 2008, Intel Corporation
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All rights reserved. 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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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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#ifndef __LOAD_PE32_IMAGE_H__
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#define __LOAD_PE32_IMAGE_H__
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#define PE32_IMAGE_PROTOCOL_GUID \
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{0x5cb5c776,0x60d5,0x45ee,{0x88,0x3c,0x45,0x27,0x8,0xcd,0x74,0x3f }}
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#define EFI_LOAD_PE_IMAGE_ATTRIBUTE_NONE 0x00
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#define EFI_LOAD_PE_IMAGE_ATTRIBUTE_RUNTIME_REGISTRATION 0x01
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#define EFI_LOAD_PE_IMAGE_ATTRIBUTE_DEBUG_IMAGE_INFO_TABLE_REGISTRATION 0x02
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typedef struct _EFI_PE32_IMAGE_PROTOCOL EFI_PE32_IMAGE_PROTOCOL;
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/**
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Loads an EFI image into memory and returns a handle to the image with extended parameters.
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@param This Calling context
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@param ParentImageHandle The caller's image handle.
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@param FilePath The specific file path from which the image is loaded.
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@param SourceBuffer If not NULL, a pointer to the memory location containing a copy of
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the image to be loaded.
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@param SourceSize The size in bytes of SourceBuffer.
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@param DstBuffer The buffer to store the image.
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@param NumberOfPages For input, specifies the space size of the image by caller if not NULL.
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For output, specifies the actual space size needed.
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@param ImageHandle Image handle for output.
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@param EntryPoint Image entry point for output.
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@param Attribute The bit mask of attributes to set for the load PE image.
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@retval EFI_SUCCESS The image was loaded into memory.
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@retval EFI_NOT_FOUND The FilePath was not found.
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@retval EFI_INVALID_PARAMETER One of the parameters has an invalid value.
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@retval EFI_UNSUPPORTED The image type is not supported, or the device path cannot be
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parsed to locate the proper protocol for loading the file.
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@retval EFI_OUT_OF_RESOURCES Image was not loaded due to insufficient resources.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *LOAD_PE_IMAGE) (
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IN EFI_PE32_IMAGE_PROTOCOL *This,
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IN EFI_HANDLE ParentImageHandle,
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IN EFI_DEVICE_PATH_PROTOCOL *FilePath,
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IN VOID *SourceBuffer OPTIONAL,
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IN UINTN SourceSize,
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IN EFI_PHYSICAL_ADDRESS DstBuffer OPTIONAL,
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OUT UINTN *NumberOfPages OPTIONAL,
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OUT EFI_HANDLE *ImageHandle,
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OUT EFI_PHYSICAL_ADDRESS *EntryPoint OPTIONAL,
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IN UINT32 Attribute
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);
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/**
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Unload the specified image.
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@param This Indicates the calling context.
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@param ImageHandle The specified image handle.
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@retval EFI_INVALID_PARAMETER Image handle is NULL.
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@retval EFI_UNSUPPORTED Attempt to unload an unsupported image.
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@retval EFI_SUCCESS Image successfully unloaded.
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--*/
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typedef
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EFI_STATUS
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(EFIAPI *UNLOAD_PE_IMAGE) (
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IN EFI_PE32_IMAGE_PROTOCOL *This,
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IN EFI_HANDLE ImageHandle
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);
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struct _EFI_PE32_IMAGE_PROTOCOL {
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LOAD_PE_IMAGE LoadPeImage;
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UNLOAD_PE_IMAGE UnLoadPeImage;
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};
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extern EFI_GUID gEfiLoadPeImageProtocolGuid;
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#endif
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