Abstract: PCI bus has four interrupt lines.All PCIdevices use these interrupt lines to request an interrupt together.Interrupts are routed to IRQi pins of programmable interrupt controller via programmable interrupt router and propagated to CPU by programmable interrupt controller.After CPU respond to interrupt,it obtain entry address from interrupt ertry address table or entry address link to go to perform interrupt serve program.
Publication Year: 2005
Publication Date: 2005-01-01
Language: en
Type: article
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