interrupt.h

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/* interrupt.h */

extern  uint16  girmask;    /* mask of interrupts being serviced    */
                /* a bit of 1 corresponds to an     */
                /* interrupt that is allowed.       */

struct intc_bank {
    uint32  itr;
    uint32  mir;
    uint32  mir_clear;
    uint32  mir_set;
    uint32  isr_set;
    uint32  isr_clear;
    uint32  pending_irq;
    uint32  pending_fiq;
};

struct intc_csreg {
    uint32  revision;
    uint32  res1[3];
    uint32  sysconfig;
    uint32  sysstatus;
    uint32  res2[10];
    uint32  sir_irq;
    uint32  sir_fiq;
    uint32  control;
    uint32  protection;
    uint32  idle;
    uint32  res3[3];
    uint32  irq_priority;
    uint32  fiq_priority;
    uint32  threshold;
    uint32  res4[5];
    struct  intc_bank banks[4];
    uint32  ilr[128];
};

#define INTC_SYSCONFIG_SOFTRESET    0x00000002
#define INTC_SYSSTATUS_RESETDONE    0x00000001

#define INTC_SIR_IRQ_MASK   0x0000007F

#define INTC_CONTROL_NEWIRQAGR  0x00000001