Subversion Repositories openrisc_2011-10-31

/*  bsp.h
 *
 *  This include file contains all HP PA-RISC simulator definitions.
 *
 *  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.OARcorp.com/rtems/license.html.
 *
 *  $Id: bsp.h,v 1.2 2001-09-27 11:59:45 chris Exp $
 */
 
#ifndef __PXFL_BSP_h
#define __PXFL_BSP_h
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <rtems.h>
#include <clockdrv.h>
#include <rtems/ttydrv.h>
 
/*
 *  confdefs.h overrides for this BSP:
 *   - number of termios serial ports (defaults to 1)
 *   - Interrupt stack space is not minimum if defined.
 */
 
/* #define CONFIGURE_NUMBER_OF_TERMIOS_PORTS 2 */
#define CONFIGURE_INTERRUPT_STACK_MEMORY  (4 * 1024)
 
/*
 *  Define the time limits for RTEMS Test Suite test durations.
 *  Long test and short test duration limits are provided.  These
 *  values are in seconds and need to be converted to ticks for the
 *  application.
 *
 */
 
#define MAX_LONG_TEST_DURATION       3   /* 3 seconds */
#define MAX_SHORT_TEST_DURATION      3   /* 3 seconds */
 
/*
 *  Define the interrupt mechanism for Time Test 27
 */
 
#define MUST_WAIT_FOR_INTERRUPT 1
 
#define Install_tm27_vector( handler ) \
    ( void ) set_vector( handler, HPPA_INTERRUPT_EXTERNAL_INTERVAL_TIMER, 1 );
 
#define Cause_tm27_intr() \
  set_itimer( get_itimer() + 20 )
 
#define Clear_tm27_intr()  \
  set_eirr( 0x80000000 )
 
#define Lower_tm27_intr() \
  { \
    register unsigned32 ignored; \
    HPPA_ASM_SSM( HPPA_PSW_I, ignored ); \
  }
 
/*
 *  Simple spin delay in microsecond units for device drivers.
 *  This is very dependent on the clock speed of the target.
 */
 
extern void Clock_delay(rtems_unsigned32 microseconds);
#define delay( microseconds ) \
        Clock_delay(microseconds);
 
/*
 * Todo: this should be put somewhere else
 */
 
#undef CLOCK_DRIVER_TABLE_ENTRY
#define CLOCK_DRIVER_TABLE_ENTRY { Clock_initialize, NULL, NULL, NULL, NULL, Clock_control }
rtems_device_driver Clock_control(
  rtems_device_major_number major,
  rtems_device_minor_number minor,
  void *pargp
);
 
/*
 * We printf() to a buffer if multiprocessing, *or* if this is set.
 * ref: src/lib/libbsp/hppa/pxfl/iosupp/consupp.c
 */
 
extern int use_print_buffer;
 
/*
 * When not doing printf to a buffer, we do printf thru RTEMS libio
 * and our tty driver.  Set it up so that console is right.
 */
 
#define CONSOLE_DRIVER_TABLE_ENTRY \
  { tty_initialize, tty_open, tty_close, tty_read, tty_write, tty_control }
 
#define HPPA_INTERRUPT_EXTERNAL_MPCI        HPPA_INTERRUPT_EXTERNAL_10
 
rtems_isr_entry set_vector(rtems_isr_entry, rtems_vector_number, int);
 
void bsp_start( void );
void bsp_cleanup( void );
 
/* miscellaneous stuff assumed to exist */
 
extern rtems_configuration_table BSP_Configuration;     /* owned by BSP */
extern rtems_cpu_table           Cpu_table;             /* owned by BSP */
 
extern int cpu_number;         /* from 0; cpu number in a multi cpu system */
 
#ifdef __cplusplus
}
#endif
 
#endif
/* end of include file */