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https://github.com/linuxboot/linuxboot
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92 lines
2.8 KiB
C
92 lines
2.8 KiB
C
/**
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* \file
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* EFI Firmware Volume protocol.
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*
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*/
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#ifndef _efi_fv_h_
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#define _efi_fv_h_
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#include <efi/efi.h>
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#define EFI_FIRMWARE_VOLUME2_PROTOCOL_GUID ((EFI_GUID){ 0x220e73b6, 0x6bdb, 0x4413, { 0x84, 0x05, 0xb9, 0x74, 0xb1, 0x08, 0x61, 0x9a } })
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typedef UINT8 EFI_FV_FILETYPE;
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#define EFI_FV_FILETYPE_RAW 0x01
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#define EFI_FV_FILETYPE_FREEFORM 0x02
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#define EFI_FV_FILETYPE_SECURITY_CORE 0x03
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#define EFI_FV_FILETYPE_PEI_CORE 0x04
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#define EFI_FV_FILETYPE_DXE_CORE 0x05
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#define EFI_FV_FILETYPE_PEIM 0x06
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#define EFI_FV_FILETYPE_DRIVER 0x07
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#define EFI_FV_FILETYPE_COMBINED_PEIM_DRIVER 0x08
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#define EFI_FV_FILETYPE_APPLICATION 0x09
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#define EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE 0x0b
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#define EFI_FV_FILETYPE_FFS_PAD 0xf0
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typedef UINT32 EFI_FV_FILE_ATTRIBUTES;
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#define EFI_FV_FILE_ATTRIB_ALIGNMENT 0x0000001F
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typedef UINT8 EFI_SECTION_TYPE;
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#define EFI_SECTION_ALL 0x00
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#define EFI_SECTION_COMPRESSION 0x01
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#define EFI_SECTION_GUID_DEFINED 0x02
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#define EFI_SECTION_DISPOSABLE 0x03
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#define EFI_SECTION_PE32 0x10
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#define EFI_SECTION_PIC 0x11
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#define EFI_SECTION_DXE_DEPEX 0x13
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#define EFI_SECTION_COMPATIBILITY16 0x16
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#define EFI_SECTION_FIRMWARE_VOLUME_IMAGE 0x17
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#define EFI_SECTION_FREEFORM_SUBTYPE_GUID 0x18
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#define EFI_SECTION_RAW 0x19
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#define EFI_SECTION_PEI_DEPEX 0x1B
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typedef struct _EFI_FIRMWARE_VOLUME2_PROTOCOL EFI_FIRMWARE_VOLUME2_PROTOCOL;
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typedef EFI_STATUS
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(EFIAPI * EFI_FV_READ_FILE) (
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IN EFI_FIRMWARE_VOLUME2_PROTOCOL *This,
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IN EFI_GUID *NameGuid,
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IN OUT VOID **Buffer,
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IN OUT UINTN *BufferSize,
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OUT EFI_FV_FILETYPE *FoundType,
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OUT EFI_FV_FILE_ATTRIBUTES *FileAttributes,
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OUT UINT32 *AuthenticationStatus
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);
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typedef EFI_STATUS
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(EFIAPI * EFI_FV_READ_SECTION) (
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IN EFI_FIRMWARE_VOLUME2_PROTOCOL *This,
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IN EFI_GUID *NameGuid,
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IN EFI_SECTION_TYPE SectionType,
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IN UINTN SectionInstance,
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IN OUT VOID **Buffer,
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IN OUT UINTN *BufferSize,
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OUT UINT32 *AuthenticationStatus
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);
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struct _EFI_FIRMWARE_VOLUME2_PROTOCOL {
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uint64_t GetVolumeAttributes;
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uint64_t SetVolumeAttributes;
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EFI_FV_READ_FILE ReadFile;
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EFI_FV_READ_SECTION ReadSection;
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uint64_t WriteFile;
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uint64_t GetNextFile;
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uint32_t KeySize;
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uint64_t ParentHandle;
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uint64_t GetInfo;
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uint64_t SetInfo;
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};
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int
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read_ffs(
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EFI_BOOT_SERVICES * gBS,
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EFI_GUID * guid,
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void ** buffer,
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UINTN * size,
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EFI_SECTION_TYPE section_type
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);
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#endif
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