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/*
* This routine does the bulk of the system initialization.
*/
/*
* COPYRIGHT (c) 1989-1999.
* 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 <bsp.h>
#include <bsp/bootcard.h>
unsigned char *duart_base;
extern struct duart_regs duart_info;
#define DELAY 5000
void led_putnum(void);
void bsp_start( void )
{
rtems_isr_entry *monitors_vector_table;
int index;
/* RAM size set in linker script */
duart_base = (unsigned char *)DUART_ADDR;
/*
* Set the VBR here to the monitor's default.
*/
monitors_vector_table = (rtems_isr_entry *)0;
/* This is where you set vector base register = 0 */
m68k_set_vbr( monitors_vector_table );
/* The vector interrupt table for the 680x0 is in appendix B-2
* of the M68000 Family Programmer's reference table
*/
for ( index=2 ; index<=255 ; index++ )
M68Kvec[ index ] = monitors_vector_table[ 32 ];
M68Kvec[ 2 ] = monitors_vector_table[ 2 ]; /* bus error vector */
M68Kvec[ 4 ] = monitors_vector_table[ 4 ]; /* breakpoints vector */
M68Kvec[ 9 ] = monitors_vector_table[ 9 ]; /* trace vector */
/*
* Set the VBR here if you do not want to use the monitor's vector table.
*/
m68k_set_vbr( &M68Kvec );
rtems_cache_enable_instruction();
rtems_cache_enable_data();
/* led_putnum('e'); * for debugging purposes only */
}
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