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/* irq_init.c
*
* This file contains the implementation of rtems initialization
* related to interrupt handling.
*
* CopyRight (C) 2000 Canon Research Centre France SA.
* Emmanuel Raguet, mailto:raguet@crf.canon.fr
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.OARcorp.com/rtems/license.html.
*
* $Id$
*/
#include <irq.h>
#include <bsp.h>
#include <bspIo.h>
#include <registers.h>
/*
* default int vector
*/
extern void _ISR_Handler();
void default_int_handler()
{
printk("raw_idt_notify has been called \n");
}
void rtems_irq_mngt_init()
{
int i;
long *vectorTable;
rtems_interrupt_level level;
vectorTable = (long *) VECTOR_TABLE;
_CPU_ISR_Disable(level);
/* First, connect the ISR_Handler for IRQ and FIQ interrupts */
_CPU_ISR_install_vector(ARM_EXCEPTION_IRQ, _ISR_Handler, NULL);
_CPU_ISR_install_vector(ARM_EXCEPTION_FIQ, _ISR_Handler, NULL);
/* Initialize the vector table contents with default handler */
for (i=0; i<BSP_MAX_INT; i++)
*(vectorTable + i) = (long)(default_int_handler);
/* Initialize the INT at the BSP level */
BSP_rtems_irq_mngt_init();
}
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