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

   1 /*\r
   2  * FreeRTOS Kernel V10.0.0\r
   3  * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.\r
   4  *\r
   5  * Permission is hereby granted, free of charge, to any person obtaining a copy of\r
   6  * this software and associated documentation files (the "Software"), to deal in\r
   7  * the Software without restriction, including without limitation the rights to\r
   8  * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of\r
   9  * the Software, and to permit persons to whom the Software is furnished to do so,\r
  10  * subject to the following conditions:\r
  11  *\r
  12  * The above copyright notice and this permission notice shall be included in all\r
  13  * copies or substantial portions of the Software. If you wish to use our Amazon\r
  14  * FreeRTOS name, please do so in a fair use way that does not cause confusion.\r
  15  *\r
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS\r
  18  * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR\r
  19  * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER\r
  20  * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\r
  21  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
  22  *\r
  23  * http://www.FreeRTOS.org\r
  24  * http://aws.amazon.com/freertos\r
  25  *\r
  26  * 1 tab == 4 spaces!\r
  27  */\r
  28 \r
  29 #ifndef PORTMACRO_H\r
  30 #define PORTMACRO_H\r
  31 \r
  32 #ifdef __cplusplus\r
  33 extern "C" {\r
  34 #endif\r
  35 \r
  36 /*-----------------------------------------------------------\r
  37  * Port specific definitions.\r
  38  *\r
  39  * The settings in this file configure FreeRTOS correctly for the\r
  40  * given hardware and compiler.\r
  41  *\r
  42  * These settings should not be altered.\r
  43  *-----------------------------------------------------------\r
  44  */\r
  45 \r
  46 /* Type definitions. */\r
  47 #define portCHAR                char\r
  48 #define portFLOAT               float\r
  49 #define portDOUBLE              double\r
  50 #define portLONG                long\r
  51 #define portSHORT               short\r
  52 #define portSTACK_TYPE  uint32_t\r
  53 #define portBASE_TYPE   long\r
  54 \r
  55 typedef portSTACK_TYPE StackType_t;\r
  56 typedef long BaseType_t;\r
  57 typedef unsigned long UBaseType_t;\r
  58 \r
  59 #if( configUSE_16_BIT_TICKS == 1 )\r
  60         typedef uint16_t TickType_t;\r
  61         #define portMAX_DELAY ( TickType_t ) 0xffff\r
  62 #else\r
  63         typedef uint32_t TickType_t;\r
  64         #define portMAX_DELAY ( TickType_t ) 0xffffffffUL\r
  65 \r
  66         /* 32-bit tick type on a 32-bit architecture, so reads of the tick count do\r
  67         not need to be guarded with a critical section. */\r
  68         #define portTICK_TYPE_IS_ATOMIC 1\r
  69 #endif\r
  70 /*-----------------------------------------------------------*/\r
  71 \r
  72 /* Interrupt control macros. */\r
  73 void microblaze_disable_interrupts( void );\r
  74 void microblaze_enable_interrupts( void );\r
  75 #define portDISABLE_INTERRUPTS()        microblaze_disable_interrupts()\r
  76 #define portENABLE_INTERRUPTS()         microblaze_enable_interrupts()\r
  77 /*-----------------------------------------------------------*/\r
  78 \r
  79 /* Critical section macros. */\r
  80 void vPortEnterCritical( void );\r
  81 void vPortExitCritical( void );\r
  82 #define portENTER_CRITICAL()            {                                                                                                               \\r
  83                                                                                 extern UBaseType_t uxCriticalNesting;   \\r
  84                                                                                 microblaze_disable_interrupts();                                        \\r
  85                                                                                 uxCriticalNesting++;                                                            \\r
  86                                                                         }\r
  87 \r
  88 #define portEXIT_CRITICAL()                     {                                                                                                               \\r
  89                                                                                 extern UBaseType_t uxCriticalNesting;   \\r
  90                                                                                 /* Interrupts are disabled, so we can */                        \\r
  91                                                                                 /* access the variable directly. */                                     \\r
  92                                                                                 uxCriticalNesting--;                                                            \\r
  93                                                                                 if( uxCriticalNesting == 0 )                    \\r
  94                                                                                 {                                                                                                       \\r
  95                                                                                         /* The nesting has unwound and we                               \\r
  96                                                                                         can enable interrupts again. */                                 \\r
  97                                                                                         portENABLE_INTERRUPTS();                                                \\r
  98                                                                                 }                                                                                                       \\r
  99                                                                         }\r
 100 \r
 101 /*-----------------------------------------------------------*/\r
 102 \r
 103 /* Task utilities. */\r
 104 void vPortYield( void );\r
 105 #define portYIELD() vPortYield()\r
 106 \r
 107 void vTaskSwitchContext();\r
 108 #define portYIELD_FROM_ISR() vTaskSwitchContext()\r
 109 /*-----------------------------------------------------------*/\r
 110 \r
 111 /* Hardware specifics. */\r
 112 #define portBYTE_ALIGNMENT                      4\r
 113 #define portSTACK_GROWTH                        ( -1 )\r
 114 #define portTICK_PERIOD_MS                      ( ( TickType_t ) 1000 / configTICK_RATE_HZ )\r
 115 #define portNOP()                                       asm volatile ( "NOP" )\r
 116 /*-----------------------------------------------------------*/\r
 117 \r
 118 /* Task function macros as described on the FreeRTOS.org WEB site. */\r
 119 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )\r
 120 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )\r
 121 \r
 122 #ifdef __cplusplus\r
 123 }\r
 124 #endif\r
 125 \r
 126 #endif /* PORTMACRO_H */\r
 127 \r