| /* |
| * Copyright (C) 2013-2015 Linaro Ltd |
| * Authors: Roy Franz <roy.franz@linaro.org> |
| * Ard Biesheuvel <ard.biesheuvel@linaro.org> |
| * |
| * 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. |
| */ |
| |
| .macro __nop |
| #ifdef CONFIG_EFI_STUB |
| @ This is almost but not quite a NOP, since it does clobber the |
| @ condition flags. But it is the best we can do for EFI, since |
| @ PE/COFF expects the magic string "MZ" at offset 0, while the |
| @ ARM/Linux boot protocol expects an executable instruction |
| @ there. |
| .inst 'M' | ('Z' << 8) | (0x1310 << 16) @ tstne r0, #0x4d000 |
| #else |
| mov r0, r0 |
| #endif |
| .endm |
| |
| .macro __EFI_HEADER |
| #ifdef CONFIG_EFI_STUB |
| b __efi_start |
| |
| .set start_offset, __efi_start - start |
| .org start + 0x3c |
| @ |
| @ The PE header can be anywhere in the file, but for |
| @ simplicity we keep it together with the MSDOS header |
| @ The offset to the PE/COFF header needs to be at offset |
| @ 0x3C in the MSDOS header. |
| @ The only 2 fields of the MSDOS header that are used are this |
| @ PE/COFF offset, and the "MZ" bytes at offset 0x0. |
| @ |
| .long pe_header - start @ Offset to the PE header. |
| |
| pe_header: |
| .ascii "PE\0\0" |
| |
| coff_header: |
| .short 0x01c2 @ ARM or Thumb |
| .short 2 @ nr_sections |
| .long 0 @ TimeDateStamp |
| .long 0 @ PointerToSymbolTable |
| .long 1 @ NumberOfSymbols |
| .short section_table - optional_header |
| @ SizeOfOptionalHeader |
| .short 0x306 @ Characteristics. |
| @ IMAGE_FILE_32BIT_MACHINE | |
| @ IMAGE_FILE_DEBUG_STRIPPED | |
| @ IMAGE_FILE_EXECUTABLE_IMAGE | |
| @ IMAGE_FILE_LINE_NUMS_STRIPPED |
| |
| optional_header: |
| .short 0x10b @ PE32 format |
| .byte 0x02 @ MajorLinkerVersion |
| .byte 0x14 @ MinorLinkerVersion |
| .long _end - __efi_start @ SizeOfCode |
| .long 0 @ SizeOfInitializedData |
| .long 0 @ SizeOfUninitializedData |
| .long efi_stub_entry - start @ AddressOfEntryPoint |
| .long start_offset @ BaseOfCode |
| .long 0 @ data |
| |
| extra_header_fields: |
| .long 0 @ ImageBase |
| .long 0x200 @ SectionAlignment |
| .long 0x200 @ FileAlignment |
| .short 0 @ MajorOperatingSystemVersion |
| .short 0 @ MinorOperatingSystemVersion |
| .short 0 @ MajorImageVersion |
| .short 0 @ MinorImageVersion |
| .short 0 @ MajorSubsystemVersion |
| .short 0 @ MinorSubsystemVersion |
| .long 0 @ Win32VersionValue |
| |
| .long _end - start @ SizeOfImage |
| .long start_offset @ SizeOfHeaders |
| .long 0 @ CheckSum |
| .short 0xa @ Subsystem (EFI application) |
| .short 0 @ DllCharacteristics |
| .long 0 @ SizeOfStackReserve |
| .long 0 @ SizeOfStackCommit |
| .long 0 @ SizeOfHeapReserve |
| .long 0 @ SizeOfHeapCommit |
| .long 0 @ LoaderFlags |
| .long 0x6 @ NumberOfRvaAndSizes |
| |
| .quad 0 @ ExportTable |
| .quad 0 @ ImportTable |
| .quad 0 @ ResourceTable |
| .quad 0 @ ExceptionTable |
| .quad 0 @ CertificationTable |
| .quad 0 @ BaseRelocationTable |
| |
| section_table: |
| @ |
| @ The EFI application loader requires a relocation section |
| @ because EFI applications must be relocatable. This is a |
| @ dummy section as far as we are concerned. |
| @ |
| .ascii ".reloc\0\0" |
| .long 0 @ VirtualSize |
| .long 0 @ VirtualAddress |
| .long 0 @ SizeOfRawData |
| .long 0 @ PointerToRawData |
| .long 0 @ PointerToRelocations |
| .long 0 @ PointerToLineNumbers |
| .short 0 @ NumberOfRelocations |
| .short 0 @ NumberOfLineNumbers |
| .long 0x42100040 @ Characteristics |
| |
| .ascii ".text\0\0\0" |
| .long _end - __efi_start @ VirtualSize |
| .long __efi_start @ VirtualAddress |
| .long _edata - __efi_start @ SizeOfRawData |
| .long __efi_start @ PointerToRawData |
| .long 0 @ PointerToRelocations |
| .long 0 @ PointerToLineNumbers |
| .short 0 @ NumberOfRelocations |
| .short 0 @ NumberOfLineNumbers |
| .long 0xe0500020 @ Characteristics |
| |
| .align 9 |
| __efi_start: |
| #endif |
| .endm |
