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