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interruptstubs.s
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interruptstubs.s
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.set IRQ_BASE, 0x20
.section .text
.extern _ZN16InterruptManager15HandleInterruptEhj
.macro HandleException num
.global _ZN16InterruptManager19HandleException\num\()Ev
_ZN16InterruptManager19HandleException\num\()Ev:
movb $\num, (interruptnumber)
jmp int_bottom
.endm
.macro HandleInterruptRequest num
.global _ZN16InterruptManager26HandleInterruptRequest\num\()Ev
_ZN16InterruptManager26HandleInterruptRequest\num\()Ev:
movb $\num + IRQ_BASE, (interruptnumber)
jmp int_bottom
.endm
HandleException 0x00
HandleException 0x01
HandleException 0x02
HandleException 0x03
HandleException 0x04
HandleException 0x05
HandleException 0x06
HandleException 0x07
HandleException 0x08
HandleException 0x09
HandleException 0x0A
HandleException 0x0B
HandleException 0x0C
HandleException 0x0D
HandleException 0x0E
HandleException 0x0F
HandleException 0x10
HandleException 0x11
HandleException 0x12
HandleException 0x13
HandleInterruptRequest 0x00
HandleInterruptRequest 0x01
HandleInterruptRequest 0x02
HandleInterruptRequest 0x03
HandleInterruptRequest 0x04
HandleInterruptRequest 0x05
HandleInterruptRequest 0x06
HandleInterruptRequest 0x07
HandleInterruptRequest 0x08
HandleInterruptRequest 0x09
HandleInterruptRequest 0x0A
HandleInterruptRequest 0x0B
HandleInterruptRequest 0x0C
HandleInterruptRequest 0x0D
HandleInterruptRequest 0x0E
HandleInterruptRequest 0x0F
HandleInterruptRequest 0x31
int_bottom:
# register sichern
pusha
pushl %ds
pushl %es
pushl %fs
pushl %gs
# ring 0 segment register laden
#cld
#mov $0x10, %eax
#mov %eax, %eds
#mov %eax, %ees
# C++ Handler aufrufen
pushl %esp
push (interruptnumber)
call _ZN16InterruptManager15HandleInterruptEhj
add %esp, 6
mov %eax, %esp # den stack wechseln
# register laden
pop %gs
pop %fs
pop %es
pop %ds
popa
.global _ZN16InterruptManager15InterruptIgnoreEv
_ZN16InterruptManager15InterruptIgnoreEv:
iret
.data
interruptnumber: .byte 0