source: rtems/c/src/lib/libbsp/m68k/sim68000/include/bsp.h @ a052181

/*  bsp.h
 *
 *  This include file contains some definitions specific to the
 *  BSVC simulator BSP.
 *
 *  COPYRIGHT (c) 1989-2000.
 *  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.
 */

#ifndef __BSVC_SIM
#define __BSVC_SIM

#ifdef __cplusplus
extern "C" {
#endif

#include <bspopts.h>
#include <bsp/default-initial-extension.h>

#include <rtems.h>
#include <rtems/iosupp.h>
#include <rtems/console.h>
#include <rtems/clockdrv.h>

/*
 *  Define some hardware constants here
 */

/*
 *  Simple spin delay in microsecond units for device drivers.
 *  This is very dependent on the clock speed of the target.
 */

#define rtems_bsp_delay( microseconds ) \
  { register uint32_t         _delay=(microseconds); \
    register uint32_t         _tmp = 0; /* initialized to avoid warning */ \
    __asm__ volatile( "0: \
                     remo      3,31,%0 ; \
                     cmpo      0,%0 ; \
                     subo      1,%1,%1 ; \
                     cmpobne.t 0,%1,0b " \
                  : "=d" (_tmp), "=d" (_delay) \
                  : "0"  (_tmp), "1"  (_delay) ); \
  }

/* functions */

rtems_isr_entry set_vector( rtems_isr_entry, rtems_vector_number, int );

#ifdef __cplusplus
}
#endif

#endif