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honey-os / src / kernel / interrupts / interruptDescriptors.asm
section .sharedFunctions

extern onInterrupt
extern temporaryESP
extern handleSyscallEnd
extern onException

global interruptStack
interruptStack: resb 1024

interruptReturn:
  pop eax
  pop ebx
  pop ecx
  pop edx
  ret

exceptionAbort:
  mov ebx, [esp+24]
  cmp ecx, 0x500000
  je $
  mov ecx, 0x500000
  mov cr3, ecx
  push ebp
  call onException
  mov eax, [temporaryESP]
  mov esp, eax
  pop ebp
  ret

handleInterrupt:
.saveRegisters:
  push eax
  push ebx
  push ecx
  push edx
  mov ecx, cr3
  push ecx
.checkException:
  mov eax, [esp+20]
  cmp eax, 31
  jng exceptionAbort
.goToKernelPages:
  mov eax, 0x500000
  mov cr3, eax
  call onInterrupt
  pop eax
  mov cr3, eax
  pop edx
  pop ecx
  pop ebx
  pop eax
  add esp, 8
  iretd

%macro interruptHandler 1
  ALIGN 4
  global idtHandler%1
idtHandler%1:
  push 0
  push %1
  jmp handleInterrupt
%endmacro

%macro interruptHandlerError 1
  align 4
  global idtHandler%1
idtHandler%1:
  push %1
  jmp handleInterrupt
%endmacro

interruptHandler 0
interruptHandler 1
interruptHandler 2
interruptHandler 3
interruptHandler 4
interruptHandler 5
interruptHandler 6
interruptHandler 7
interruptHandlerError 8
interruptHandler 9
interruptHandlerError 10
interruptHandlerError 11
interruptHandlerError 12
interruptHandlerError 13
interruptHandlerError 14
interruptHandler 15
interruptHandler 16
interruptHandlerError 17
interruptHandler 18
interruptHandler 19
interruptHandler 20
interruptHandler 21
interruptHandler 22
interruptHandler 23
interruptHandler 24
interruptHandler 25
interruptHandler 26
interruptHandler 27
interruptHandler 28
interruptHandler 29
interruptHandlerError 30
interruptHandler 31
interruptHandler 32
interruptHandler 33
interruptHandler 34
interruptHandler 35
interruptHandler 36
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