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/*
* This routine starts the application. It includes application,
* board, and monitor specific initialization and configuration.
* The generic CPU dependent initialization has been performed
* before this routine is invoked.
*
* 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.com/license/LICENSE.
*
* $Id$
*/
#include <string.h>
#include <bsp.h>
#include <rtems/libio.h>
#include <rtems/libcsupport.h>
unsigned char *duart_base;
extern struct duart_regs duart_info;
#define DELAY 5000
void led_putnum();
/*
* Use the shared implementations of the following routines
*/
void bsp_libc_init( void *, uint32_t, int );
void bsp_pretasking_hook(void); /* m68k version */
/*
* bsp_start
*
* This routine does the bulk of the system initialization.
*/
void bsp_start( void )
{
m68k_isr_entry *monitors_vector_table;
int index;
extern void *_WorkspaceBase;
extern void *_RamSize;
extern unsigned long _M68k_Ramsize;
/* RAM size set in linker script */
_M68k_Ramsize = (unsigned long)&_RamSize;
duart_base = (unsigned char *)DUART_ADDR;
/*
* Set the VBR here to the monitor's default.
*/
monitors_vector_table = (m68k_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();
Configuration.work_space_start = (void *) &_WorkspaceBase;
/* led_putnum('e'); * for debugging purposes only */
/* Clock_exit is done as an atexit() function */
}
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