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/* bsp.h
*
* This include file contains all mrm board IO definitions.
*
* COPYRIGHT (c) 1989-2009.
* 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.
*
* $Id$
*/
#ifndef _BSP_H
#define _BSP_H
#ifdef __cplusplus
extern "C" {
#endif
#include <bspopts.h>
#include <rtems.h>
#include <rtems/bspIo.h>
#include <rtems/clockdrv.h>
#include <rtems/console.h>
#include <rtems/iosupp.h>
#include <mrm332.h>
#include <rtems/m68k/sim.h>
#include <rtems/m68k/qsm.h>
#define BSP_SMALL_MEMORY 1
#define CONSOLE_SCI
/*
* 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=123; \
__asm__ volatile( "0: \
nbcd %0 ; \
nbcd %0 ; \
dbf %1,0b" \
: "=d" (_tmp), "=d" (_delay) \
: "0" (_tmp), "1" (_delay) ); \
}
/* externals */
extern char _etext[];
extern char _copy_start[];
extern char _edata[];
extern char _clear_start[];
extern char end[];
extern char _copy_data_from_rom[];
/* constants */
#ifdef __START_C__
#define STACK_SIZE "#0x800"
#else
#define STACK_SIZE 0x800
#endif
/* macros */
#define RAW_PUTS(str) \
{ register char *ptr = str; \
while (*ptr) SCI_output_char(*ptr++); \
}
#define RAW_PUTI(n) { \
register int i, j; \
\
RAW_PUTS("0x"); \
for (i=28;i>=0;i -= 4) { \
j = (n>>i) & 0xf; \
SCI_output_char( (j>9 ? j-10+'a' : j+'0') ); \
} \
}
/* miscellaneous stuff assumed to exist */
extern rtems_isr_entry M68Kvec[]; /* vector table address */
extern int stack_size;
extern int stack_start;
/* functions */
rtems_isr_entry set_vector(
rtems_isr_entry handler,
rtems_vector_number vector,
int type
);
void Spurious_Initialize(void);
void _UART_flush(void);
void outbyte(char);
#ifdef __cplusplus
}
#endif
#endif
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