hw/arm_pic.h

   1 /*
   2  * Generic ARM Programmable Interrupt Controller support.
   3  *
   4  * Copyright (c) 2006 CodeSourcery.
   5  * Written by Paul Brook
   6  *
   7  * This code is licenced under the LGPL.
   8  *
   9  * Arm hardware uses a wide variety of interrupt handling hardware.
  10  * This provides a generic framework for connecting interrupt sources and
  11  * inputs.
  12  */
  13
  14 #ifndef ARM_INTERRUPT_H
  15 #define ARM_INTERRUPT_H 1
  16
  17 /* The first element of an individual PIC state structures should
  18    be a pointer to the handler routine.  */
  19 typedef void (*arm_pic_handler)(void *opaque, int irq, int level);
  20
  21 /* The CPU is also modeled as an interrupt controller.  */
  22 #define ARM_PIC_CPU_IRQ 0
  23 #define ARM_PIC_CPU_FIQ 1
  24 void *arm_pic_init_cpu(CPUState *env);
  25
  26 #endif /* !ARM_INTERRUPT_H */
  27