| /* 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 |
