git.sur5r.net Git - freertos/blob - FreeRTOS/Source/portable/GCC/MicroBlaze/portmacro.h

   1 /*\r
   2     FreeRTOS V9.0.0rc2 - Copyright (C) 2016 Real Time Engineers Ltd.\r
   3     All rights reserved\r
   4 \r
   5     VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.\r
   6 \r
   7     This file is part of the FreeRTOS distribution.\r
   8 \r
   9     FreeRTOS is free software; you can redistribute it and/or modify it under\r
  10     the terms of the GNU General Public License (version 2) as published by the\r
  11     Free Software Foundation >>>> AND MODIFIED BY <<<< the FreeRTOS exception.\r
  12 \r
  13     ***************************************************************************\r
  14     >>!   NOTE: The modification to the GPL is included to allow you to     !<<\r
  15     >>!   distribute a combined work that includes FreeRTOS without being   !<<\r
  16     >>!   obliged to provide the source code for proprietary components     !<<\r
  17     >>!   outside of the FreeRTOS kernel.                                   !<<\r
  18     ***************************************************************************\r
  19 \r
  20     FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY\r
  21     WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS\r
  22     FOR A PARTICULAR PURPOSE.  Full license text is available on the following\r
  23     link: http://www.freertos.org/a00114.html\r
  24 \r
  25     ***************************************************************************\r
  26      *                                                                       *\r
  27      *    FreeRTOS provides completely free yet professionally developed,    *\r
  28      *    robust, strictly quality controlled, supported, and cross          *\r
  29      *    platform software that is more than just the market leader, it     *\r
  30      *    is the industry's de facto standard.                               *\r
  31      *                                                                       *\r
  32      *    Help yourself get started quickly while simultaneously helping     *\r
  33      *    to support the FreeRTOS project by purchasing a FreeRTOS           *\r
  34      *    tutorial book, reference manual, or both:                          *\r
  35      *    http://www.FreeRTOS.org/Documentation                              *\r
  36      *                                                                       *\r
  37     ***************************************************************************\r
  38 \r
  39     http://www.FreeRTOS.org/FAQHelp.html - Having a problem?  Start by reading\r
  40     the FAQ page "My application does not run, what could be wrong?".  Have you\r
  41     defined configASSERT()?\r
  42 \r
  43     http://www.FreeRTOS.org/support - In return for receiving this top quality\r
  44     embedded software for free we request you assist our global community by\r
  45     participating in the support forum.\r
  46 \r
  47     http://www.FreeRTOS.org/training - Investing in training allows your team to\r
  48     be as productive as possible as early as possible.  Now you can receive\r
  49     FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers\r
  50     Ltd, and the world's leading authority on the world's leading RTOS.\r
  51 \r
  52     http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,\r
  53     including FreeRTOS+Trace - an indispensable productivity tool, a DOS\r
  54     compatible FAT file system, and our tiny thread aware UDP/IP stack.\r
  55 \r
  56     http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.\r
  57     Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.\r
  58 \r
  59     http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High\r
  60     Integrity Systems ltd. to sell under the OpenRTOS brand.  Low cost OpenRTOS\r
  61     licenses offer ticketed support, indemnification and commercial middleware.\r
  62 \r
  63     http://www.SafeRTOS.com - High Integrity Systems also provide a safety\r
  64     engineered and independently SIL3 certified version for use in safety and\r
  65     mission critical applications that require provable dependability.\r
  66 \r
  67     1 tab == 4 spaces!\r
  68 */\r
  69 \r
  70 #ifndef PORTMACRO_H\r
  71 #define PORTMACRO_H\r
  72 \r
  73 #ifdef __cplusplus\r
  74 extern "C" {\r
  75 #endif\r
  76 \r
  77 /*-----------------------------------------------------------\r
  78  * Port specific definitions.\r
  79  *\r
  80  * The settings in this file configure FreeRTOS correctly for the\r
  81  * given hardware and compiler.\r
  82  *\r
  83  * These settings should not be altered.\r
  84  *-----------------------------------------------------------\r
  85  */\r
  86 \r
  87 /* Type definitions. */\r
  88 #define portCHAR                char\r
  89 #define portFLOAT               float\r
  90 #define portDOUBLE              double\r
  91 #define portLONG                long\r
  92 #define portSHORT               short\r
  93 #define portSTACK_TYPE  uint32_t\r
  94 #define portBASE_TYPE   long\r
  95 \r
  96 typedef portSTACK_TYPE StackType_t;\r
  97 typedef long BaseType_t;\r
  98 typedef unsigned long UBaseType_t;\r
  99 \r
 100 #if( configUSE_16_BIT_TICKS == 1 )\r
 101         typedef uint16_t TickType_t;\r
 102         #define portMAX_DELAY ( TickType_t ) 0xffff\r
 103 #else\r
 104         typedef uint32_t TickType_t;\r
 105         #define portMAX_DELAY ( TickType_t ) 0xffffffffUL\r
 106 \r
 107         /* 32-bit tick type on a 32-bit architecture, so reads of the tick count do\r
 108         not need to be guarded with a critical section. */\r
 109         #define portTICK_TYPE_IS_ATOMIC 1\r
 110 #endif\r
 111 /*-----------------------------------------------------------*/\r
 112 \r
 113 /* Interrupt control macros. */\r
 114 void microblaze_disable_interrupts( void );\r
 115 void microblaze_enable_interrupts( void );\r
 116 #define portDISABLE_INTERRUPTS()        microblaze_disable_interrupts()\r
 117 #define portENABLE_INTERRUPTS()         microblaze_enable_interrupts()\r
 118 /*-----------------------------------------------------------*/\r
 119 \r
 120 /* Critical section macros. */\r
 121 void vPortEnterCritical( void );\r
 122 void vPortExitCritical( void );\r
 123 #define portENTER_CRITICAL()            {                                                                                                               \\r
 124                                                                                 extern UBaseType_t uxCriticalNesting;   \\r
 125                                                                                 microblaze_disable_interrupts();                                        \\r
 126                                                                                 uxCriticalNesting++;                                                            \\r
 127                                                                         }\r
 128 \r
 129 #define portEXIT_CRITICAL()                     {                                                                                                               \\r
 130                                                                                 extern UBaseType_t uxCriticalNesting;   \\r
 131                                                                                 /* Interrupts are disabled, so we can */                        \\r
 132                                                                                 /* access the variable directly. */                                     \\r
 133                                                                                 uxCriticalNesting--;                                                            \\r
 134                                                                                 if( uxCriticalNesting == 0 )                    \\r
 135                                                                                 {                                                                                                       \\r
 136                                                                                         /* The nesting has unwound and we                               \\r
 137                                                                                         can enable interrupts again. */                                 \\r
 138                                                                                         portENABLE_INTERRUPTS();                                                \\r
 139                                                                                 }                                                                                                       \\r
 140                                                                         }\r
 141 \r
 142 /*-----------------------------------------------------------*/\r
 143 \r
 144 /* Task utilities. */\r
 145 void vPortYield( void );\r
 146 #define portYIELD() vPortYield()\r
 147 \r
 148 void vTaskSwitchContext();\r
 149 #define portYIELD_FROM_ISR() vTaskSwitchContext()\r
 150 /*-----------------------------------------------------------*/\r
 151 \r
 152 /* Hardware specifics. */\r
 153 #define portBYTE_ALIGNMENT                      4\r
 154 #define portSTACK_GROWTH                        ( -1 )\r
 155 #define portTICK_PERIOD_MS                      ( ( TickType_t ) 1000 / configTICK_RATE_HZ )\r
 156 #define portNOP()                                       asm volatile ( "NOP" )\r
 157 /*-----------------------------------------------------------*/\r
 158 \r
 159 /* Task function macros as described on the FreeRTOS.org WEB site. */\r
 160 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )\r
 161 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )\r
 162 \r
 163 #ifdef __cplusplus\r
 164 }\r
 165 #endif\r
 166 \r
 167 #endif /* PORTMACRO_H */\r
 168 \r