diff options
Diffstat (limited to '')
-rw-r--r-- | src/VBox/Devices/EFI/Firmware/MdePkg/Include/Ppi/Decompress.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/MdePkg/Include/Ppi/Decompress.h b/src/VBox/Devices/EFI/Firmware/MdePkg/Include/Ppi/Decompress.h new file mode 100644 index 00000000..adbe11f5 --- /dev/null +++ b/src/VBox/Devices/EFI/Firmware/MdePkg/Include/Ppi/Decompress.h @@ -0,0 +1,68 @@ +/** @file + Provides decompression services to the PEI Foundation. + + Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> + SPDX-License-Identifier: BSD-2-Clause-Patent + + @par Revision Reference: + This PPI is introduced in PI Version 1.0. + +**/ + +#ifndef __DECOMPRESS_PPI_H__ +#define __DECOMPRESS_PPI_H__ + +#define EFI_PEI_DECOMPRESS_PPI_GUID \ + { 0x1a36e4e7, 0xfab6, 0x476a, { 0x8e, 0x75, 0x69, 0x5a, 0x5, 0x76, 0xfd, 0xd7 } } + +typedef struct _EFI_PEI_DECOMPRESS_PPI EFI_PEI_DECOMPRESS_PPI; + +/** + Decompress a single compression section in a firmware file. + + Decompresses the data in a compressed section and returns it + as a series of standard PI Firmware File Sections. The + required memory is allocated from permanent memory. + + @param This Points to this instance of the + EFI_PEI_DECOMPRESS_PEI PPI. + @param InputSection Points to the compressed section. + @param OutputBuffer Holds the returned pointer to the + decompressed sections. + @param OutputSize Holds the returned size of the decompress + section streams. + + @retval EFI_SUCCESS The section was decompressed + successfully. OutputBuffer contains the + resulting data and OutputSize contains + the resulting size. + @retval EFI_OUT_OF_RESOURCES Unable to allocate sufficient + memory to hold the decompressed data. + @retval EFI_UNSUPPORTED The compression type specified + in the compression header is unsupported. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_PEI_DECOMPRESS_DECOMPRESS)( + IN CONST EFI_PEI_DECOMPRESS_PPI *This, + IN CONST EFI_COMPRESSION_SECTION *InputSection, + OUT VOID **OutputBuffer, + OUT UINTN *OutputSize +); + + +/// +/// This PPI's single member function decompresses a compression +/// encapsulated section. It is used by the PEI Foundation to +/// process sectioned files. Prior to the installation of this PPI, +/// compression sections will be ignored. +/// +struct _EFI_PEI_DECOMPRESS_PPI { + EFI_PEI_DECOMPRESS_DECOMPRESS Decompress; +}; + + +extern EFI_GUID gEfiPeiDecompressPpiGuid; + +#endif |