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/**
* @file irq_init.c
*
* This file contains the implementation of rtems initialization
* related to interrupt handling.
*/
/*
* RTEMS GBA BSP
*
* CopyRight (C) 2000 Canon Research Centre France SA.
* Emmanuel Raguet, mailto:raguet@crf.canon.fr
*
* Copyright (c) 2004 Markku Puro <markku.puro@kopteri.net>
*
* The license and distribution terms for this file may be
* found in found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*
* $Id$
*/
#include <stdint.h>
#include <bsp.h>
#include <irq.h>
#include <rtems/bspIo.h>
/** default int vector */
extern void _ISR_Handler(void);
/** max number of vectors, defined in linkcmds */
extern void _irq_max_vector;
/**
* @brief default_int_handler BSP routine is default int_handler
*
* @param None
* @return None
*/
void default_int_handler(void)
{
printk("raw_idt_notify has been called \n");
}
/**
* @brief rtems_irq_mngt_init BSP routine initialize rtems_irq_mngt
*
* @param None
* @return None
*/
void rtems_irq_mngt_init(void)
{
int i;
uint32_t *vectorTable;
rtems_interrupt_level level;
vectorTable = (uint32_t *)VECTOR_TABLE;
_CPU_ISR_Disable(level);
/* @todo Can't use exception vectors in GBA because they are already in GBA ROM BIOS */
/* 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 < (uint32_t)&_irq_max_vector ; i++) {
*(vectorTable + i) = (uint32_t)(default_int_handler);
}
/* Initialize the INT at the BSP level */
BSP_rtems_irq_mngt_init();
}
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