2 FreeRTOS V7.1.1 - Copyright (C) 2012 Real Time Engineers Ltd.
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5 ***************************************************************************
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7 * FreeRTOS tutorial books are available in pdf and paperback. *
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8 * Complete, revised, and edited pdf reference manuals are also *
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11 * Purchasing FreeRTOS documentation will not only help you, by *
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12 * ensuring you get running as quickly as possible and with an *
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13 * in-depth knowledge of how to use FreeRTOS, it will also help *
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14 * the FreeRTOS project to continue with its mission of providing *
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15 * professional grade, cross platform, de facto standard solutions *
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16 * for microcontrollers - completely free of charge! *
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18 * >>> See http://www.FreeRTOS.org/Documentation for details. <<< *
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20 * Thank you for using FreeRTOS, and thank you for your support! *
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22 ***************************************************************************
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25 This file is part of the FreeRTOS distribution.
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27 FreeRTOS is free software; you can redistribute it and/or modify it under
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28 the terms of the GNU General Public License (version 2) as published by the
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29 Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
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30 >>>NOTE<<< The modification to the GPL is included to allow you to
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31 distribute a combined work that includes FreeRTOS without being obliged to
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32 provide the source code for proprietary components outside of the FreeRTOS
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33 kernel. FreeRTOS is distributed in the hope that it will be useful, but
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34 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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35 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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36 more details. You should have received a copy of the GNU General Public
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37 License and the FreeRTOS license exception along with FreeRTOS; if not it
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38 can be viewed here: http://www.freertos.org/a00114.html and also obtained
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39 by writing to Richard Barry, contact details for whom are available on the
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44 ***************************************************************************
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46 * Having a problem? Start by reading the FAQ "My application does *
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47 * not run, what could be wrong? *
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49 * http://www.FreeRTOS.org/FAQHelp.html *
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51 ***************************************************************************
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54 http://www.FreeRTOS.org - Documentation, training, latest information,
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55 license and contact details.
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57 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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58 including FreeRTOS+Trace - an indispensable productivity tool.
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60 Real Time Engineers ltd license FreeRTOS to High Integrity Systems, who sell
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61 the code with commercial support, indemnification, and middleware, under
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62 the OpenRTOS brand: http://www.OpenRTOS.com. High Integrity Systems also
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63 provide a safety engineered and independently SIL3 certified version under
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64 the SafeRTOS brand: http://www.SafeRTOS.com.
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74 /*-----------------------------------------------------------
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75 * Port specific definitions.
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77 * The settings in this file configure FreeRTOS correctly for the
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78 * given hardware and compiler.
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80 * These settings should not be altered.
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81 *-----------------------------------------------------------
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84 /* Type definitions. */
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85 #define portCHAR char
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86 #define portFLOAT float
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87 #define portDOUBLE double
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88 #define portLONG long
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89 #define portSHORT short
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90 #define portSTACK_TYPE unsigned portLONG
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91 #define portBASE_TYPE portLONG
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93 #if( configUSE_16_BIT_TICKS == 1 )
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94 typedef unsigned portSHORT portTickType;
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95 #define portMAX_DELAY ( portTickType ) 0xffff
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97 typedef unsigned portLONG portTickType;
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98 #define portMAX_DELAY ( portTickType ) 0xffffffff
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100 /*-----------------------------------------------------------*/
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102 /* Interrupt control macros. */
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103 void microblaze_disable_interrupts( void );
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104 void microblaze_enable_interrupts( void );
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105 #define portDISABLE_INTERRUPTS() microblaze_disable_interrupts()
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106 #define portENABLE_INTERRUPTS() microblaze_enable_interrupts()
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107 /*-----------------------------------------------------------*/
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109 /* Critical section macros. */
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110 void vPortEnterCritical( void );
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111 void vPortExitCritical( void );
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112 #define portENTER_CRITICAL() { \
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113 extern unsigned portBASE_TYPE uxCriticalNesting; \
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114 microblaze_disable_interrupts(); \
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115 uxCriticalNesting++; \
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118 #define portEXIT_CRITICAL() { \
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119 extern unsigned portBASE_TYPE uxCriticalNesting; \
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120 /* Interrupts are disabled, so we can */ \
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121 /* access the variable directly. */ \
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122 uxCriticalNesting--; \
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123 if( uxCriticalNesting == 0 ) \
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125 /* The nesting has unwound and we \
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126 can enable interrupts again. */ \
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127 portENABLE_INTERRUPTS(); \
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131 /*-----------------------------------------------------------*/
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133 /* Task utilities. */
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134 void vPortYield( void );
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135 #define portYIELD() vPortYield()
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137 void vTaskSwitchContext();
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138 #define portYIELD_FROM_ISR() vTaskSwitchContext()
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139 /*-----------------------------------------------------------*/
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141 /* Hardware specifics. */
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142 #define portBYTE_ALIGNMENT 4
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143 #define portSTACK_GROWTH ( -1 )
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144 #define portTICK_RATE_MS ( ( portTickType ) 1000 / configTICK_RATE_HZ )
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145 #define portNOP() asm volatile ( "NOP" )
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146 /*-----------------------------------------------------------*/
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148 /* Task function macros as described on the FreeRTOS.org WEB site. */
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149 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
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150 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
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156 #endif /* PORTMACRO_H */
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