reactos/ntoskrnl/ke/head.s

   1 #define NR_TASKS 128
   2
   3 .globl _stext
   4 .globl _start
   5 .globl _mainCRTStartup
   6 .globl start
   7 .globl _DllMainCRTStartup@12
   8 .globl _init_stack
   9 .globl _init_stack_top
  10
  11 _DllMainCRTStartup@12:
  12 _mainCRTStartup:
  13 _start:
  14 start:
  15         lidt    _idt_descr
  16         lgdt    _gdt_descr
  17
  18         movw    $0x10,%ax
  19         movw    %ax,%ds
  20
  21         popl    %eax
  22         popl    %eax
  23         movl    $_init_stack_top,%esp
  24         pushl   %eax
  25         pushl   $0
  26
  27         jmp     __main
  28
  29 .data
  30
  31 _idt_descr:
  32         .word (256*8)-1
  33         .long _KiIdt
  34
  35 _gdt_descr:
  36         .word ((8+NR_TASKS)*8)-1
  37         .long _KiGdt
  38
  39 /*_idt:
  40         .fill 256,8,0 */
  41
  42 .text
  43
  44 .align 8
  45 _init_stack:
  46         .fill 16384,1,0
  47 _init_stack_top:
  48
  49 _stext:
  50
  51