CS 452/652 Winter 2020 - Lecture 12

January 31, 2020 prev next

Interrupt Hardware

  • interrupt propagation: Device → Interrupt Controller → CPU
  • EP 9302 has two vectored interrupt controllers (VIC) of type PL190
  • see Chapter 6 in EP93xx User Guide, or see PL190 manual
  • two routing modes in PL190 VIC
  • VIC default/startup configuration:

    Interrupt Handling

    Basics

    IRQ Context Switch

    Enter/Exit Kernel

    Interrupt Confirmation

    Timer Interrupts