arch/loongarch/kernel/efi-header.S

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
   4  */
   5
   6 #include <linux/pe.h>
   7 #include <linux/sizes.h>
   8
   9         .macro  __EFI_PE_HEADER
  10         .long   PE_MAGIC
  11 .Lcoff_header:
  12         .short  IMAGE_FILE_MACHINE_LOONGARCH64          /* Machine */
  13         .short  .Lsection_count                         /* NumberOfSections */
  14         .long   0                                       /* TimeDateStamp */
  15         .long   0                                       /* PointerToSymbolTable */
  16         .long   0                                       /* NumberOfSymbols */
  17         .short  .Lsection_table - .Loptional_header     /* SizeOfOptionalHeader */
  18         .short  IMAGE_FILE_DEBUG_STRIPPED | \
  19                 IMAGE_FILE_EXECUTABLE_IMAGE | \
  20                 IMAGE_FILE_LINE_NUMS_STRIPPED           /* Characteristics */
  21
  22 .Loptional_header:
  23         .short  PE_OPT_MAGIC_PE32PLUS                   /* PE32+ format */
  24         .byte   0x02                                    /* MajorLinkerVersion */
  25         .byte   0x14                                    /* MinorLinkerVersion */
  26         .long   __inittext_end - .Lefi_header_end       /* SizeOfCode */
  27         .long   _kernel_vsize                           /* SizeOfInitializedData */
  28         .long   0                                       /* SizeOfUninitializedData */
  29         .long   __efistub_efi_pe_entry - _head          /* AddressOfEntryPoint */
  30         .long   .Lefi_header_end - _head                /* BaseOfCode */
  31
  32 .Lextra_header_fields:
  33         .quad   0                                       /* ImageBase */
  34         .long   PECOFF_SEGMENT_ALIGN                    /* SectionAlignment */
  35         .long   PECOFF_FILE_ALIGN                       /* FileAlignment */
  36         .short  0                                       /* MajorOperatingSystemVersion */
  37         .short  0                                       /* MinorOperatingSystemVersion */
  38         .short  LINUX_EFISTUB_MAJOR_VERSION             /* MajorImageVersion */
  39         .short  LINUX_EFISTUB_MINOR_VERSION             /* MinorImageVersion */
  40         .short  0                                       /* MajorSubsystemVersion */
  41         .short  0                                       /* MinorSubsystemVersion */
  42         .long   0                                       /* Win32VersionValue */
  43
  44         .long   _end - _head                            /* SizeOfImage */
  45
  46         /* Everything before the kernel image is considered part of the header */
  47         .long   .Lefi_header_end - _head                /* SizeOfHeaders */
  48         .long   0                                       /* CheckSum */
  49         .short  IMAGE_SUBSYSTEM_EFI_APPLICATION         /* Subsystem */
  50         .short  0                                       /* DllCharacteristics */
  51         .quad   0                                       /* SizeOfStackReserve */
  52         .quad   0                                       /* SizeOfStackCommit */
  53         .quad   0                                       /* SizeOfHeapReserve */
  54         .quad   0                                       /* SizeOfHeapCommit */
  55         .long   0                                       /* LoaderFlags */
  56         .long   (.Lsection_table - .) / 8               /* NumberOfRvaAndSizes */
  57
  58         .quad   0                                       /* ExportTable */
  59         .quad   0                                       /* ImportTable */
  60         .quad   0                                       /* ResourceTable */
  61         .quad   0                                       /* ExceptionTable */
  62         .quad   0                                       /* CertificationTable */
  63         .quad   0                                       /* BaseRelocationTable */
  64
  65         /* Section table */
  66 .Lsection_table:
  67         .ascii  ".text\0\0\0"
  68         .long   __inittext_end - .Lefi_header_end       /* VirtualSize */
  69         .long   .Lefi_header_end - _head                /* VirtualAddress */
  70         .long   __inittext_end - .Lefi_header_end       /* SizeOfRawData */
  71         .long   .Lefi_header_end - _head                /* PointerToRawData */
  72
  73         .long   0                                       /* PointerToRelocations */
  74         .long   0                                       /* PointerToLineNumbers */
  75         .short  0                                       /* NumberOfRelocations */
  76         .short  0                                       /* NumberOfLineNumbers */
  77         .long   IMAGE_SCN_CNT_CODE | \
  78                 IMAGE_SCN_MEM_READ | \
  79                 IMAGE_SCN_MEM_EXECUTE                   /* Characteristics */
  80
  81         .ascii  ".data\0\0\0"
  82         .long   _kernel_vsize                           /* VirtualSize */
  83         .long   __initdata_begin - _head                /* VirtualAddress */
  84         .long   _kernel_rsize                           /* SizeOfRawData */
  85         .long   __initdata_begin - _head                /* PointerToRawData */
  86
  87         .long   0                                       /* PointerToRelocations */
  88         .long   0                                       /* PointerToLineNumbers */
  89         .short  0                                       /* NumberOfRelocations */
  90         .short  0                                       /* NumberOfLineNumbers */
  91         .long   IMAGE_SCN_CNT_INITIALIZED_DATA | \
  92                 IMAGE_SCN_MEM_READ | \
  93                 IMAGE_SCN_MEM_WRITE                     /* Characteristics */
  94
  95         .set    .Lsection_count, (. - .Lsection_table) / 40
  96
  97         .balign 0x10000                                 /* PECOFF_SEGMENT_ALIGN */
  98 .Lefi_header_end:
  99         .endm