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/*  bsp.h

 *

 *  This include file contains all SPARC simulator definitions.

 *

 *  COPYRIGHT (c) 1989-1998.

 *  On-Line Applications Research Corporation (OAR).

 *  Copyright assigned to U.S. Government, 1994.

 *

 *  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.

 *

 *  Ported to ERC32 implementation of the SPARC by On-Line Applications

 *  Research Corporation (OAR) under contract to the European Space

 *  Agency (ESA).

 *

 *  ERC32 modifications of respective RTEMS file: COPYRIGHT (c) 1995.

 *  European Space Agency.

 *

 *  bsp.h,v 1.6 2001/12/18 14:10:54 joel Exp

 */

#ifndef __SIS_h

#define __SIS_h

#ifdef __cplusplus

extern "C" {

#endif

#include <bspopts.h>

#include <rtems.h>

#include <iosupp.h>

#include <leon.h>

#include <clockdrv.h>

#include <console.h>

/*

 *  confdefs.h overrides for this BSP:

 *   - two termios serial ports

 *   - Interrupt stack space is not minimum if defined.

 */

#define CONFIGURE_NUMBER_OF_TERMIOS_PORTS 2

#define CONFIGURE_INTERRUPT_STACK_MEMORY  (16 * 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

 *

 *  NOTE: Since the interrupt code for the SPARC supports both synchronous

 *        and asynchronous trap handlers, support for testing with both

 *        is included.

 */

#define SIS_USE_SYNCHRONOUS_TRAP  0

/*

 *  The synchronous trap is an arbitrarily chosen software trap.

 */

#if (SIS_USE_SYNCHRONOUS_TRAP == 1)

#define TEST_VECTOR SPARC_SYNCHRONOUS_TRAP( 0x90 )

#define MUST_WAIT_FOR_INTERRUPT 1

#define Install_tm27_vector( handler ) \

  set_vector( (handler), TEST_VECTOR, 1 );

#define Cause_tm27_intr() \

  asm volatile( "ta 0x10; nop " );

#define Clear_tm27_intr()  

#define Lower_tm27_intr() 

/*

 *  The asynchronous trap is an arbitrarily chosen ERC32 interrupt source.

 */

#else   /* use a regular asynchronous trap */

#define TEST_INTERRUPT_SOURCE LEON_INTERRUPT_EXTERNAL_1

#define TEST_VECTOR LEON_TRAP_TYPE( TEST_INTERRUPT_SOURCE )

#define TEST_INTERRUPT_SOURCE2 LEON_INTERRUPT_EXTERNAL_1+1

#define TEST_VECTOR2 LEON_TRAP_TYPE( TEST_INTERRUPT_SOURCE2 )

#define MUST_WAIT_FOR_INTERRUPT 1

#define Install_tm27_vector( handler ) \

  set_vector( (handler), TEST_VECTOR, 1 ); \

  set_vector( (handler), TEST_VECTOR2, 1 );

#define Cause_tm27_intr() \

  do { \

    LEON_Force_interrupt( TEST_INTERRUPT_SOURCE+(Interrupt_nest>>1)); \

    nop(); \

    nop(); \

    nop(); \

  } while (0)

#define Clear_tm27_intr() \

  LEON_Clear_interrupt( TEST_INTERRUPT_SOURCE )

#define Lower_tm27_intr()

#endif

/*

 *  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)

/* Constants */

/*

 *  Information placed in the linkcmds file.

 */

extern int   RAM_START;

extern int   RAM_END;

extern int   RAM_SIZE;

extern int   PROM_START;

extern int   PROM_END;

extern int   PROM_SIZE;

extern int   CLOCK_SPEED;

extern int   end;        /* last address in the program */

/*

 *  Device Driver Table Entries

 */

/*

 * NOTE: Use the standard Console driver entry

 */

/*

 * NOTE: Use the standard Clock driver entry

 */

/* miscellaneous stuff assumed to exist */

void bsp_cleanup( void );

void bsp_start( void );

rtems_isr_entry set_vector(                     /* returns old vector */

    rtems_isr_entry     handler,                /* isr routine        */

    rtems_vector_number vector,                 /* vector number      */

    int                 type                    /* RTEMS or RAW intr  */

);

void DEBUG_puts( char *string );

void BSP_fatal_return( void );

void bsp_spurious_initialize( void );

extern rtems_configuration_table BSP_Configuration;     /* owned by BSP */

extern rtems_cpu_table           Cpu_table;             /* owned by BSP */

#ifdef __cplusplus

}

#endif

#endif

/* end of include file */