begriffs open source - freertos/blob - portable/GCC/MicroBlaze/portmacro.h

   1 /*\r
   2  * FreeRTOS Kernel <DEVELOPMENT BRANCH>\r
   3  * Copyright (C) 2021 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.\r
  14  *\r
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS\r
  17  * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR\r
  18  * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER\r
  19  * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\r
  20  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
  21  *\r
  22  * https://www.FreeRTOS.org\r
  23  * https://github.com/FreeRTOS\r
  24  *\r
  25  */\r
  26 \r
  27 #ifndef PORTMACRO_H\r
  28 #define PORTMACRO_H\r
  29 \r
  30 #ifdef __cplusplus\r
  31 extern "C" {\r
  32 #endif\r
  33 \r
  34 /*-----------------------------------------------------------\r
  35  * Port specific definitions.\r
  36  *\r
  37  * The settings in this file configure FreeRTOS correctly for the\r
  38  * given hardware and compiler.\r
  39  *\r
  40  * These settings should not be altered.\r
  41  *-----------------------------------------------------------\r
  42  */\r
  43 \r
  44 /* Type definitions. */\r
  45 #define portCHAR                char\r
  46 #define portFLOAT               float\r
  47 #define portDOUBLE              double\r
  48 #define portLONG                long\r
  49 #define portSHORT               short\r
  50 #define portSTACK_TYPE  uint32_t\r
  51 #define portBASE_TYPE   long\r
  52 \r
  53 typedef portSTACK_TYPE StackType_t;\r
  54 typedef long BaseType_t;\r
  55 typedef unsigned long UBaseType_t;\r
  56 \r
  57 #if( configUSE_16_BIT_TICKS == 1 )\r
  58         typedef uint16_t TickType_t;\r
  59         #define portMAX_DELAY ( TickType_t ) 0xffff\r
  60 #else\r
  61         typedef uint32_t TickType_t;\r
  62         #define portMAX_DELAY ( TickType_t ) 0xffffffffUL\r
  63 \r
  64         /* 32-bit tick type on a 32-bit architecture, so reads of the tick count do\r
  65         not need to be guarded with a critical section. */\r
  66         #define portTICK_TYPE_IS_ATOMIC 1\r
  67 #endif\r
  68 /*-----------------------------------------------------------*/\r
  69 \r
  70 /* Interrupt control macros. */\r
  71 void microblaze_disable_interrupts( void );\r
  72 void microblaze_enable_interrupts( void );\r
  73 #define portDISABLE_INTERRUPTS()        microblaze_disable_interrupts()\r
  74 #define portENABLE_INTERRUPTS()         microblaze_enable_interrupts()\r
  75 /*-----------------------------------------------------------*/\r
  76 \r
  77 /* Critical section macros. */\r
  78 void vPortEnterCritical( void );\r
  79 void vPortExitCritical( void );\r
  80 #define portENTER_CRITICAL()            {                                                                                                               \\r
  81                                                                                 extern UBaseType_t uxCriticalNesting;   \\r
  82                                                                                 microblaze_disable_interrupts();                                        \\r
  83                                                                                 uxCriticalNesting++;                                                            \\r
  84                                                                         }\r
  85 \r
  86 #define portEXIT_CRITICAL()                     {                                                                                                               \\r
  87                                                                                 extern UBaseType_t uxCriticalNesting;   \\r
  88                                                                                 /* Interrupts are disabled, so we can */                        \\r
  89                                                                                 /* access the variable directly. */                                     \\r
  90                                                                                 uxCriticalNesting--;                                                            \\r
  91                                                                                 if( uxCriticalNesting == 0 )                    \\r
  92                                                                                 {                                                                                                       \\r
  93                                                                                         /* The nesting has unwound and we                               \\r
  94                                                                                         can enable interrupts again. */                                 \\r
  95                                                                                         portENABLE_INTERRUPTS();                                                \\r
  96                                                                                 }                                                                                                       \\r
  97                                                                         }\r
  98 \r
  99 /*-----------------------------------------------------------*/\r
 100 \r
 101 /* Task utilities. */\r
 102 void vPortYield( void );\r
 103 #define portYIELD() vPortYield()\r
 104 \r
 105 void vTaskSwitchContext();\r
 106 #define portYIELD_FROM_ISR() vTaskSwitchContext()\r
 107 /*-----------------------------------------------------------*/\r
 108 \r
 109 /* Hardware specifics. */\r
 110 #define portBYTE_ALIGNMENT                      4\r
 111 #define portSTACK_GROWTH                        ( -1 )\r
 112 #define portTICK_PERIOD_MS                      ( ( TickType_t ) 1000 / configTICK_RATE_HZ )\r
 113 #define portNOP()                                       asm volatile ( "NOP" )\r
 114 /*-----------------------------------------------------------*/\r
 115 \r
 116 /* Task function macros as described on the FreeRTOS.org WEB site. */\r
 117 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )\r
 118 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )\r
 119 \r
 120 #ifdef __cplusplus\r
 121 }\r
 122 #endif\r
 123 \r
 124 #endif /* PORTMACRO_H */\r
 125 \r