kernel/arch/x86/irq/stub.s

   1 ; Stubs for interrupt handlers
   2
   3 bits 32
   4 section .text
   5
   6 extern int_handler
   7
   8 int_common:
   9         cld
  10         push esp
  11         call int_handler
  12         add esp, 12
  13         popad
  14         iretd
  15
  16 %macro INTERRUPT 1
  17 global int_%1
  18 int_%1:
  19         push dword 0
  20         pushad
  21         push dword %1
  22         jmp int_common
  23 %endmacro
  24
  25 %macro INTERRUPT_ERR 1
  26 global int_%1
  27 int_%1:
  28         pushad
  29         push dword %1
  30         jmp int_common
  31 %endmacro
  32
  33 INTERRUPT 0
  34 INTERRUPT 1
  35 INTERRUPT 2
  36 INTERRUPT 3
  37 INTERRUPT 4
  38 INTERRUPT 5
  39 INTERRUPT 6
  40 INTERRUPT 7
  41 INTERRUPT_ERR 8
  42 INTERRUPT 9
  43 INTERRUPT_ERR 10
  44 INTERRUPT_ERR 11
  45 INTERRUPT_ERR 12
  46 INTERRUPT_ERR 13
  47 INTERRUPT_ERR 14
  48 INTERRUPT 15
  49 INTERRUPT 16
  50 INTERRUPT_ERR 17
  51 INTERRUPT 18
  52 INTERRUPT 19
  53 INTERRUPT 20
  54 INTERRUPT_ERR 21
  55 INTERRUPT 22
  56 INTERRUPT 23
  57 INTERRUPT 24
  58 INTERRUPT 25
  59 INTERRUPT 26
  60 INTERRUPT 27
  61 INTERRUPT 28
  62 INTERRUPT_ERR 29
  63 INTERRUPT_ERR 30
  64 INTERRUPT 31
  65 INTERRUPT 32
  66 INTERRUPT 33
  67 INTERRUPT 34
  68 INTERRUPT 35
  69 INTERRUPT 36
  70 INTERRUPT 37
  71 INTERRUPT 38
  72 INTERRUPT 39
  73 INTERRUPT 40
  74 INTERRUPT 41
  75 INTERRUPT 42
  76 INTERRUPT 43
  77 INTERRUPT 44
  78 INTERRUPT 45
  79 INTERRUPT 46
  80 INTERRUPT 47
  81
  82 ; Define flat table containing addresses of handlers
  83 section .rodata
  84 global _int_handler_table
  85 _int_handler_table:
  86         %macro INT 1
  87                 dd int_%1
  88         %endmacro
  89
  90         %assign i 0
  91         %rep 48
  92         INT i
  93         %assign i i+1
  94         %endrep