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/**
* @file
*
* TX3904 Interrupt Vectoring
*/
/*
* COPYRIGHT (c) 1989-2012.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#include <rtems.h>
#include <stdlib.h>
#include <bsp/irq.h>
#include <rtems/bspIo.h> /* for printk */
#include <bsp/irq-generic.h>
void mips_vector_isr_handlers( CPU_Interrupt_frame *frame );
void mips_vector_isr_handlers( CPU_Interrupt_frame *frame )
{
unsigned int sr;
unsigned int cause;
mips_get_sr( sr );
mips_get_cause( cause );
cause &= (sr & SR_IMASK);
cause >>= CAUSE_IPSHIFT;
if ( cause & 0x80 ) /* IP[5] ==> INT0 */
bsp_interrupt_handler_dispatch( TX3904_IRQ_INT0 );
if ( cause & 0x40 ) { /* (IP[4] == 1) ==> IP[0-3] are valid */
unsigned int v = (cause >> 2) & 0x0f;
bsp_interrupt_handler_dispatch( MIPS_INTERRUPT_BASE + v );
}
if ( cause & 0x02 ) /* SW[0] */
bsp_interrupt_handler_dispatch( TX3904_IRQ_SOFTWARE_1 );
if ( cause & 0x01 ) /* IP[1] */
bsp_interrupt_handler_dispatch( TX3904_IRQ_SOFTWARE_2 );
}
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