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69 lines
2.4 KiB
C
69 lines
2.4 KiB
C
/** @file
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Provides decompression services to the PEI Foundatoin.
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Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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@par Revision Reference:
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This PPI is introduced in PI Version 1.0.
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**/
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#ifndef __DECOMPRESS_PPI_H__
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#define __DECOMPRESS_PPI_H__
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#define EFI_PEI_DECOMPRESS_PPI_GUID \
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{ 0x1a36e4e7, 0xfab6, 0x476a, { 0x8e, 0x75, 0x69, 0x5a, 0x5, 0x76, 0xfd, 0xd7 } }
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typedef struct _EFI_PEI_DECOMPRESS_PPI EFI_PEI_DECOMPRESS_PPI;
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/**
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Decompress a single compression section in a firmware file.
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Decompresses the data in a compressed section and returns it
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as a series of standard PI Firmware File Sections. The
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required memory is allocated from permanent memory.
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@param This Points to this instance of the
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EFI_PEI_DECOMPRESS_PEI PPI.
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@param InputSection Points to the compressed section.
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@param OutputBuffer Holds the returned pointer to the
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decompressed sections.
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@param OutputSize Holds the returned size of the decompress
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section streams.
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@retval EFI_SUCCESS The section was decompressed
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successfully. OutputBuffer contains the
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resulting data and OutputSize contains
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the resulting size.
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@retval EFI_OUT_OF_RESOURCES Unable to allocate sufficient
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memory to hold the decompressed data.
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@retval EFI_UNSUPPORTED The compression type specified
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in the compression header is unsupported.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_PEI_DECOMPRESS_DECOMPRESS)(
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IN CONST EFI_PEI_DECOMPRESS_PPI *This,
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IN CONST EFI_COMPRESSION_SECTION *InputSection,
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OUT VOID **OutputBuffer,
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OUT UINTN *OutputSize
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);
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///
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/// This PPI's single member function decompresses a compression
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/// encapsulated section. It is used by the PEI Foundation to
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/// process sectioned files. Prior to the installation of this PPI,
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/// compression sections will be ignored.
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///
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struct _EFI_PEI_DECOMPRESS_PPI {
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EFI_PEI_DECOMPRESS_DECOMPRESS Decompress;
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};
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extern EFI_GUID gEfiPeiDecompressPpiGuid;
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#endif
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