Hi,
Well I am having certain confusion regarding
interrupt handling in Linux(on i386 arch)
1)Intel uses I/O apic chip for as pic . I would like
to know how are devices like keyboard,network card etc
connected to apic (i.e which bus is used a seperate
apic bus or control bus)
2)If devices are assigned fixed apic bus . Then under
linux can I give them anyother IRQ number . i.e If the
keyboard is connected to first apic bus can it have
IRQ 10 assigned to it . If yes then how does the
tranlation of device interrupt to correct IRQ is done
since APIC only sends the number on which the
interrupt occurs
3)Is there any place where I can get good overview of
Interrupt handling architecture(not the software part)
of intel i386 architecture
Thankx
Tushar Shah
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