diff options
Diffstat (limited to 'bsps/m68k/mvme162/start/bspstart.c')
-rw-r--r-- | bsps/m68k/mvme162/start/bspstart.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/bsps/m68k/mvme162/start/bspstart.c b/bsps/m68k/mvme162/start/bspstart.c new file mode 100644 index 0000000000..29e56e35ea --- /dev/null +++ b/bsps/m68k/mvme162/start/bspstart.c @@ -0,0 +1,58 @@ +/* + * 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. + * + * Modifications of respective RTEMS file: COPYRIGHT (c) 1994. + * EISCAT Scientific Association. M.Savitski + * + * This material is a part of the MVME162 Board Support Package + * for the RTEMS executive. Its licensing policies are those of the + * RTEMS above. + */ + +#include <bsp.h> +#include <bsp/bootcard.h> +#include <page_table.h> + +/* + * bsp_start + * + * This routine does the bulk of the system initialization. + */ +void bsp_start( void ) +{ + rtems_isr_entry *monitors_vector_table; + int index; + + monitors_vector_table = (rtems_isr_entry *)MOT_162BUG_VEC_ADDRESS; + m68k_set_vbr( monitors_vector_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 */ + M68Kvec[ 47 ] = monitors_vector_table[ 47 ]; /* system call vector */ + + m68k_set_vbr( &M68Kvec ); + + /* + * You may wish to make the VME arbitration round-robin here, currently + * we leave it as it is. + */ + + /* set the Interrupt Base Vectors */ + + lcsr->vector_base = (VBR0 << 28) | (VBR1 << 24); + + page_table_init(); +} |