reactos/ntoskrnl/ke/i386/irqhand.s

   1 #include <ndk/asm.h>
   2 #include <../hal/halx86/include/halirq.h>
   3
   4 _KiCommonInterrupt:
   5         cld
   6         pushl   %ds
   7         pushl   %es
   8         pushl   %fs
   9         pushl   %gs
  10         pushl   $0xceafbeef
  11         movl    $KGDT_R0_DATA,%eax
  12         movl    %eax,%ds
  13         movl    %eax,%es
  14         movl    %eax,%gs
  15         movl    $KGDT_R0_PCR,%eax
  16         movl    %eax,%fs
  17         pushl   %esp
  18         pushl   %ebx
  19         call    _KiInterruptDispatch
  20         addl    $0xC, %esp
  21         popl    %gs
  22         popl    %fs
  23         popl    %es
  24         popl    %ds
  25         popa
  26         iret
  27
  28
  29 #ifdef CONFIG_SMP
  30
  31 #define BUILD_INTERRUPT_HANDLER(intnum) \
  32   .global _KiUnexpectedInterrupt##intnum; \
  33   _KiUnexpectedInterrupt##intnum:; \
  34   pusha; \
  35   movl $0x##intnum, %ebx; \
  36   jmp _KiCommonInterrupt;
  37
  38 /* Interrupt handlers and declarations */
  39
  40 #define B(x,y) \
  41   BUILD_INTERRUPT_HANDLER(x##y)
  42
  43 #define B16(x) \
  44   B(x,0) B(x,1) B(x,2) B(x,3) \
  45   B(x,4) B(x,5) B(x,6) B(x,7) \
  46   B(x,8) B(x,9) B(x,A) B(x,B) \
  47   B(x,C) B(x,D) B(x,E) B(x,F)
  48
  49 B16(3) B16(4) B16(5) B16(6)
  50 B16(7) B16(8) B16(9) B16(A)
  51 B16(B) B16(C) B16(D) B16(E)
  52 B16(F)
  53
  54 #undef B
  55 #undef B16
  56 #undef BUILD_INTERRUPT_HANDLER
  57
  58 #else /* CONFIG_SMP */
  59
  60 #define BUILD_INTERRUPT_HANDLER(intnum) \
  61   .global _irq_handler_##intnum; \
  62   _irq_handler_##intnum:; \
  63   pusha; \
  64   movl $(##intnum + IRQ_BASE), %ebx; \
  65   jmp _KiCommonInterrupt;
  66
  67 /* Interrupt handlers and declarations */
  68
  69 #define B(x) \
  70   BUILD_INTERRUPT_HANDLER(x)
  71
  72 B(0) B(1) B(2) B(3)
  73 B(4) B(5) B(6) B(7)
  74 B(8) B(9) B(10) B(11)
  75 B(12) B(13) B(14) B(15)
  76
  77 #undef B
  78 #undef BUILD_INTERRUPT_HANDLER
  79
  80 #endif /* CONFIG_SMP */
  81
  82 .intel_syntax noprefix
  83 .globl _KiUnexpectedInterrupt@0
  84 _KiUnexpectedInterrupt@0:
  85
  86     /* Bugcheck with invalid interrupt code */
  87     push 0x12
  88     call _KeBugCheck@4
  89