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- /* SPDX-License-Identifier: GPL-2.0-only */
- /*
- * Copyright (C) 2020 Western Digital Corporation or its affiliates.
- * Adapted from arch/arm64/kernel/efi-header.S
- */
- #include <linux/pe.h>
- #include <linux/sizes.h>
- .macro __EFI_PE_HEADER
- .long PE_MAGIC
- coff_header:
- #ifdef CONFIG_64BIT
- .short IMAGE_FILE_MACHINE_RISCV64 // Machine
- #else
- .short IMAGE_FILE_MACHINE_RISCV32 // Machine
- #endif
- .short section_count // NumberOfSections
- .long 0 // TimeDateStamp
- .long 0 // PointerToSymbolTable
- .long 0 // NumberOfSymbols
- .short section_table - optional_header // SizeOfOptionalHeader
- .short IMAGE_FILE_DEBUG_STRIPPED | \
- IMAGE_FILE_EXECUTABLE_IMAGE | \
- IMAGE_FILE_LINE_NUMS_STRIPPED // Characteristics
- optional_header:
- #ifdef CONFIG_64BIT
- .short PE_OPT_MAGIC_PE32PLUS // PE32+ format
- #else
- .short PE_OPT_MAGIC_PE32 // PE32 format
- #endif
- .byte 0x02 // MajorLinkerVersion
- .byte 0x14 // MinorLinkerVersion
- .long __pecoff_text_end - efi_header_end // SizeOfCode
- .long __pecoff_data_virt_size // SizeOfInitializedData
- .long 0 // SizeOfUninitializedData
- .long __efistub_efi_pe_entry - _start // AddressOfEntryPoint
- .long efi_header_end - _start // BaseOfCode
- #ifdef CONFIG_32BIT
- .long __pecoff_text_end - _start // BaseOfData
- #endif
- extra_header_fields:
- .quad 0 // ImageBase
- .long PECOFF_SECTION_ALIGNMENT // SectionAlignment
- .long PECOFF_FILE_ALIGNMENT // FileAlignment
- .short 0 // MajorOperatingSystemVersion
- .short 0 // MinorOperatingSystemVersion
- .short LINUX_EFISTUB_MAJOR_VERSION // MajorImageVersion
- .short LINUX_EFISTUB_MINOR_VERSION // MinorImageVersion
- .short 0 // MajorSubsystemVersion
- .short 0 // MinorSubsystemVersion
- .long 0 // Win32VersionValue
- .long _end - _start // SizeOfImage
- // Everything before the kernel image is considered part of the header
- .long efi_header_end - _start // SizeOfHeaders
- .long 0 // CheckSum
- .short IMAGE_SUBSYSTEM_EFI_APPLICATION // Subsystem
- .short 0 // DllCharacteristics
- .quad 0 // SizeOfStackReserve
- .quad 0 // SizeOfStackCommit
- .quad 0 // SizeOfHeapReserve
- .quad 0 // SizeOfHeapCommit
- .long 0 // LoaderFlags
- .long (section_table - .) / 8 // NumberOfRvaAndSizes
- .quad 0 // ExportTable
- .quad 0 // ImportTable
- .quad 0 // ResourceTable
- .quad 0 // ExceptionTable
- .quad 0 // CertificationTable
- .quad 0 // BaseRelocationTable
- // Section table
- section_table:
- .ascii ".text\0\0\0"
- .long __pecoff_text_end - efi_header_end // VirtualSize
- .long efi_header_end - _start // VirtualAddress
- .long __pecoff_text_end - efi_header_end // SizeOfRawData
- .long efi_header_end - _start // PointerToRawData
- .long 0 // PointerToRelocations
- .long 0 // PointerToLineNumbers
- .short 0 // NumberOfRelocations
- .short 0 // NumberOfLineNumbers
- .long IMAGE_SCN_CNT_CODE | \
- IMAGE_SCN_MEM_READ | \
- IMAGE_SCN_MEM_EXECUTE // Characteristics
- .ascii ".data\0\0\0"
- .long __pecoff_data_virt_size // VirtualSize
- .long __pecoff_text_end - _start // VirtualAddress
- .long __pecoff_data_raw_size // SizeOfRawData
- .long __pecoff_text_end - _start // PointerToRawData
- .long 0 // PointerToRelocations
- .long 0 // PointerToLineNumbers
- .short 0 // NumberOfRelocations
- .short 0 // NumberOfLineNumbers
- .long IMAGE_SCN_CNT_INITIALIZED_DATA | \
- IMAGE_SCN_MEM_READ | \
- IMAGE_SCN_MEM_WRITE // Characteristics
- .set section_count, (. - section_table) / 40
- .balign 0x1000
- efi_header_end:
- .endm
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