Subversion Repositories openrisc_2011-10-31

/*

    FreeRTOS V6.1.1 - Copyright (C) 2011 Real Time Engineers Ltd.

    ***************************************************************************

    *                                                                         *

    * If you are:                                                             *

    *                                                                         *

    *    + New to FreeRTOS,                                                   *

    *    + Wanting to learn FreeRTOS or multitasking in general quickly       *

    *    + Looking for basic training,                                        *

    *    + Wanting to improve your FreeRTOS skills and productivity           *

    *                                                                         *

    * then take a look at the FreeRTOS books - available as PDF or paperback  *

    *                                                                         *

    *        "Using the FreeRTOS Real Time Kernel - a Practical Guide"        *

    *                  http://www.FreeRTOS.org/Documentation                  *

    *                                                                         *

    * A pdf reference manual is also available.  Both are usually delivered   *

    * to your inbox within 20 minutes to two hours when purchased between 8am *

    * and 8pm GMT (although please allow up to 24 hours in case of            *

    * exceptional circumstances).  Thank you for your support!                *

    *                                                                         *

    ***************************************************************************

    This file is part of the FreeRTOS distribution.

    FreeRTOS is free software; you can redistribute it and/or modify it under

    the terms of the GNU General Public License (version 2) as published by the

    Free Software Foundation AND MODIFIED BY the FreeRTOS exception.

    ***NOTE*** The exception to the GPL is included to allow you to distribute

    a combined work that includes FreeRTOS without being obliged to provide the

    source code for proprietary components outside of the FreeRTOS kernel.

    FreeRTOS is distributed in the hope that it will be useful, but WITHOUT

    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for

    more details. You should have received a copy of the GNU General Public

    License and the FreeRTOS license exception along with FreeRTOS; if not it

    can be viewed here: http://www.freertos.org/a00114.html and also obtained

    by writing to Richard Barry, contact details for whom are available on the

    FreeRTOS WEB site.

    1 tab == 4 spaces!

    http://www.FreeRTOS.org - Documentation, latest information, license and

    contact details.

    http://www.SafeRTOS.com - A version that is certified for use in safety

    critical systems.

    http://www.OpenRTOS.com - Commercial support, development, porting,

    licensing and training services.

*/

/*

Changes from V1.2.3

        + portCPU_CLOSK_HZ definition changed to 8MHz base 10, previously it

          base 16.

*/

#ifndef PORTMACRO_H

#define PORTMACRO_H

#ifdef __cplusplus

extern "C" {

#endif

/*-----------------------------------------------------------

 * Port specific definitions.

 *

 * The settings in this file configure FreeRTOS correctly for the

 * given hardware and compiler.

 *

 * These settings should not be altered.

 *-----------------------------------------------------------

 */

/* Type definitions. */

#define portCHAR                char

#define portFLOAT               float

#define portDOUBLE              double

#define portLONG                long

#define portSHORT               int

#define portSTACK_TYPE  unsigned portCHAR

#define portBASE_TYPE   char

#if( configUSE_16_BIT_TICKS == 1 )

        typedef unsigned portSHORT portTickType;

        #define portMAX_DELAY ( portTickType ) 0xffff

#else

        typedef unsigned portLONG portTickType;

        #define portMAX_DELAY ( portTickType ) 0xffffffff

#endif

/*-----------------------------------------------------------*/

/* Critical section management. */

#define portENTER_CRITICAL()            asm volatile ( "in              __tmp_reg__, __SREG__" :: );    \

                                                                        asm volatile ( "cli" :: );                                                              \

                                                                        asm volatile ( "push    __tmp_reg__" :: )

#define portEXIT_CRITICAL()                     asm volatile ( "pop             __tmp_reg__" :: );                              \

                                                                        asm volatile ( "out             __SREG__, __tmp_reg__" :: )

#define portDISABLE_INTERRUPTS()        asm volatile ( "cli" :: );

#define portENABLE_INTERRUPTS()         asm volatile ( "sei" :: );

/*-----------------------------------------------------------*/

/* Architecture specifics. */

#define portSTACK_GROWTH                        ( -1 )

#define portTICK_RATE_MS                        ( ( portTickType ) 1000 / configTICK_RATE_HZ )          

#define portBYTE_ALIGNMENT                      1

#define portNOP()                                       asm volatile ( "nop" );

/*-----------------------------------------------------------*/

/* Kernel utilities. */

extern void vPortYield( void ) __attribute__ ( ( naked ) );

#define portYIELD()                                     vPortYield()

/*-----------------------------------------------------------*/

/* Task function macros as described on the FreeRTOS.org WEB site. */

#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )

#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )

#ifdef __cplusplus

}

#endif

#endif /* PORTMACRO_H */