156 строки
4.8 KiB
ArmAsm
156 строки
4.8 KiB
ArmAsm
/*
|
|
* Copyright (C) 2013 - 2017 Linaro, Ltd.
|
|
* Copyright (C) 2013, 2014 Red Hat, Inc.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*/
|
|
|
|
#include <linux/pe.h>
|
|
#include <linux/sizes.h>
|
|
|
|
.macro __EFI_PE_HEADER
|
|
.long PE_MAGIC
|
|
coff_header:
|
|
.short IMAGE_FILE_MACHINE_ARM64 // Machine
|
|
.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:
|
|
.short PE_OPT_MAGIC_PE32PLUS // PE32+ format
|
|
.byte 0x02 // MajorLinkerVersion
|
|
.byte 0x14 // MinorLinkerVersion
|
|
.long __initdata_begin - efi_header_end // SizeOfCode
|
|
.long __pecoff_data_size // SizeOfInitializedData
|
|
.long 0 // SizeOfUninitializedData
|
|
.long __efistub_entry - _head // AddressOfEntryPoint
|
|
.long efi_header_end - _head // BaseOfCode
|
|
|
|
extra_header_fields:
|
|
.quad 0 // ImageBase
|
|
.long SZ_4K // SectionAlignment
|
|
.long PECOFF_FILE_ALIGNMENT // FileAlignment
|
|
.short 0 // MajorOperatingSystemVersion
|
|
.short 0 // MinorOperatingSystemVersion
|
|
.short 0 // MajorImageVersion
|
|
.short 0 // MinorImageVersion
|
|
.short 0 // MajorSubsystemVersion
|
|
.short 0 // MinorSubsystemVersion
|
|
.long 0 // Win32VersionValue
|
|
|
|
.long _end - _head // SizeOfImage
|
|
|
|
// Everything before the kernel image is considered part of the header
|
|
.long efi_header_end - _head // 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
|
|
|
|
#ifdef CONFIG_DEBUG_EFI
|
|
.long efi_debug_table - _head // DebugTable
|
|
.long efi_debug_table_size
|
|
#endif
|
|
|
|
// Section table
|
|
section_table:
|
|
.ascii ".text\0\0\0"
|
|
.long __initdata_begin - efi_header_end // VirtualSize
|
|
.long efi_header_end - _head // VirtualAddress
|
|
.long __initdata_begin - efi_header_end // SizeOfRawData
|
|
.long efi_header_end - _head // 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_size // VirtualSize
|
|
.long __initdata_begin - _head // VirtualAddress
|
|
.long __pecoff_data_rawsize // SizeOfRawData
|
|
.long __initdata_begin - _head // 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
|
|
|
|
#ifdef CONFIG_DEBUG_EFI
|
|
/*
|
|
* The debug table is referenced via its Relative Virtual Address (RVA),
|
|
* which is only defined for those parts of the image that are covered
|
|
* by a section declaration. Since this header is not covered by any
|
|
* section, the debug table must be emitted elsewhere. So stick it in
|
|
* the .init.rodata section instead.
|
|
*
|
|
* Note that the EFI debug entry itself may legally have a zero RVA,
|
|
* which means we can simply put it right after the section headers.
|
|
*/
|
|
__INITRODATA
|
|
|
|
.align 2
|
|
efi_debug_table:
|
|
// EFI_IMAGE_DEBUG_DIRECTORY_ENTRY
|
|
.long 0 // Characteristics
|
|
.long 0 // TimeDateStamp
|
|
.short 0 // MajorVersion
|
|
.short 0 // MinorVersion
|
|
.long IMAGE_DEBUG_TYPE_CODEVIEW // Type
|
|
.long efi_debug_entry_size // SizeOfData
|
|
.long 0 // RVA
|
|
.long efi_debug_entry - _head // FileOffset
|
|
|
|
.set efi_debug_table_size, . - efi_debug_table
|
|
.previous
|
|
|
|
efi_debug_entry:
|
|
// EFI_IMAGE_DEBUG_CODEVIEW_NB10_ENTRY
|
|
.ascii "NB10" // Signature
|
|
.long 0 // Unknown
|
|
.long 0 // Unknown2
|
|
.long 0 // Unknown3
|
|
|
|
.asciz VMLINUX_PATH
|
|
|
|
.set efi_debug_entry_size, . - efi_debug_entry
|
|
#endif
|
|
|
|
/*
|
|
* EFI will load .text onwards at the 4k section alignment
|
|
* described in the PE/COFF header. To ensure that instruction
|
|
* sequences using an adrp and a :lo12: immediate will function
|
|
* correctly at this alignment, we must ensure that .text is
|
|
* placed at a 4k boundary in the Image to begin with.
|
|
*/
|
|
.align 12
|
|
efi_header_end:
|
|
.endm
|