rt-thread-official/libcpu/arm/AT91SAM7X/trap.c

/*
 * Copyright (c) 2006-2021, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2006-08-25     Bernard      first version
 */

#include <rtthread.h>
#include <rthw.h>

#include "AT91SAM7X256.h"

/**
 * @addtogroup AT91SAM7
 */
/*@{*/

void rt_hw_trap_irq(void)
{
    int irqno;
    extern struct rt_irq_desc irq_desc[];

    /* get interrupt number */
    irqno = AT91C_BASE_AIC->AIC_ISR;

    /* invoke isr with parameters */
    irq_desc[irqno].handler(irqno, irq_desc[irqno].param);

    /* end of interrupt */
    AT91C_BASE_AIC->AIC_EOICR = 0;
}

void rt_hw_trap_fiq(void)
{
    rt_kprintf("fast interrupt request\n");
}

extern struct rt_thread* rt_current_thread;
void rt_hw_trap_abort(void)
{
    rt_kprintf("Abort occured!!! Thread [%s] suspended.\n",rt_current_thread->name);
    rt_thread_suspend(rt_current_thread);
    rt_schedule();

}
/*@}*/