Function rt_hw_interrupt_init

libcpu/mips/gs232/interrupt.c:44–68

* This function will initialize hardware interrupt */

 * This function will initialize hardware interrupt
 */
void rt_hw_interrupt_init(void)
{
    rt_int32_t idx;
    rt_int32_t i;
    rt_uint32_t c0_status = 0;

    for (i=0; i < GS232_INTC_CELLS; i++)
    {
        /* Disable */
        (gs232_hw0_icregs+i)->int_en = 0x0;
        /* Trigger active low */
        (gs232_hw0_icregs+i)->int_pol = -1;    /* Must be done here */
        /* Make all interrupts level triggered */
        (gs232_hw0_icregs+i)->int_edge = 0x00000000;
        /* Mask all interrupts */
        (gs232_hw0_icregs+i)->int_clr = 0xffffffff;
        mips_unmask_cpu_irq(i + 2);
    }

    rt_memset(irq_handle_table, 0x00, sizeof(irq_handle_table));
    for (idx = 0; idx < MAX_INTR; idx ++)
    {
        irq_handle_table[idx].handler = rt_hw_interrupt_handler;
    }
}

/**
 * This function will mask a interrupt.