RT-Thread_v4.1.1

libcpu/arm/AT91SAM7X/trap.c

@@ -0,0 +1,49 @@
+/*
+ * 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();
+
+}
+/*@}*/