/* * 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. */ #include unsigned char *duart_base; extern struct duart_regs duart_info; #define DELAY 5000 void led_putnum(void); /* * bsp_start * * This routine does the bulk of the system initialization. */ 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 */ }