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/* bsp.h
*
* This include file contains some definitions specific to the
* h8 simulator in gdb.
*
* 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.
*/
#ifndef _BSP_H
#define _BSP_H
#ifdef __cplusplus
extern "C" {
#endif
#include <bspopts.h>
#include <rtems.h>
#include <rtems/iosupp.h>
#include <rtems/console.h>
#include <rtems/clockdrv.h>
/* support for simulated clock tick */
Thread clock_driver_sim_idle_body(uintptr_t);
#define BSP_IDLE_TASK_BODY clock_driver_sim_idle_body
/*
* 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) ); \
}
#ifdef __cplusplus
}
#endif
#endif
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