git.sur5r.net Git - freertos/blob - FreeRTOS/Source/portable/IAR/RL78/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 #if __DATA_MODEL__ == __DATA_MODEL_FAR__ && __CODE_MODEL__ == __CODE_MODEL_NEAR__\r
  47         #warning This port has not been tested with your selected memory model combination. If a far data model is required it is recommended to also use a far code model.\r
  48 #endif\r
  49 \r
  50 #if __DATA_MODEL__ == __DATA_MODEL_NEAR__ && __CODE_MODEL__ == __CODE_MODEL_FAR__\r
  51         #warning This port has not been tested with your selected memory model combination. If a far code model is required it is recommended to also use a far data model.\r
  52 #endif\r
  53 \r
  54 /* Type definitions. */\r
  55 \r
  56 #define portCHAR        char\r
  57 #define portFLOAT       float\r
  58 #define portDOUBLE      double\r
  59 #define portLONG        long\r
  60 #define portSHORT       short\r
  61 #define portSTACK_TYPE  uint16_t\r
  62 #define portBASE_TYPE   short\r
  63 \r
  64 typedef portSTACK_TYPE StackType_t;\r
  65 typedef short BaseType_t;\r
  66 typedef unsigned short UBaseType_t;\r
  67 \r
  68 \r
  69 #if __DATA_MODEL__ == __DATA_MODEL_FAR__\r
  70         #define portPOINTER_SIZE_TYPE uint32_t\r
  71 #else\r
  72         #define portPOINTER_SIZE_TYPE uint16_t\r
  73 #endif\r
  74 \r
  75 \r
  76 #if ( configUSE_16_BIT_TICKS == 1 )\r
  77         typedef unsigned int TickType_t;\r
  78         #define portMAX_DELAY ( TickType_t ) 0xffff\r
  79 #else\r
  80         typedef uint32_t TickType_t;\r
  81         #define portMAX_DELAY ( TickType_t ) 0xffffffffUL\r
  82 #endif\r
  83 /*-----------------------------------------------------------*/\r
  84 \r
  85 /* Interrupt control macros. */\r
  86 #define portDISABLE_INTERRUPTS() __asm ( "DI" )\r
  87 #define portENABLE_INTERRUPTS()  __asm ( "EI" )\r
  88 /*-----------------------------------------------------------*/\r
  89 \r
  90 /* Critical section control macros. */\r
  91 #define portNO_CRITICAL_SECTION_NESTING         ( ( uint16_t ) 0 )\r
  92 \r
  93 #define portENTER_CRITICAL()                                                                                                    \\r
  94 {                                                                                                                                                               \\r
  95 extern volatile uint16_t usCriticalNesting;                                                                             \\r
  96                                                                                                                                                                 \\r
  97         portDISABLE_INTERRUPTS();                                                                                                       \\r
  98                                                                                                                                                                 \\r
  99         /* Now interrupts are disabled ulCriticalNesting can be accessed */                     \\r
 100         /* directly.  Increment ulCriticalNesting to keep a count of how many */        \\r
 101         /* times portENTER_CRITICAL() has been called. */                                                       \\r
 102         usCriticalNesting++;                                                                                                            \\r
 103 }\r
 104 \r
 105 #define portEXIT_CRITICAL()                                                                                                             \\r
 106 {                                                                                                                                                               \\r
 107 extern volatile uint16_t usCriticalNesting;                                                                             \\r
 108                                                                                                                                                                 \\r
 109         if( usCriticalNesting > portNO_CRITICAL_SECTION_NESTING )                                       \\r
 110         {                                                                                                                                                       \\r
 111                 /* Decrement the nesting count as we are leaving a critical section. */ \\r
 112                 usCriticalNesting--;                                                                                                    \\r
 113                                                                                                                                                                 \\r
 114                 /* If the nesting level has reached zero then interrupts should be */   \\r
 115                 /* re-enabled. */                                                                                                               \\r
 116                 if( usCriticalNesting == portNO_CRITICAL_SECTION_NESTING )                              \\r
 117                 {                                                                                                                                               \\r
 118                         portENABLE_INTERRUPTS();                                                                                        \\r
 119                 }                                                                                                                                               \\r
 120         }                                                                                                                                                       \\r
 121 }\r
 122 /*-----------------------------------------------------------*/\r
 123 \r
 124 /* Task utilities. */\r
 125 #define portYIELD()     __asm( "BRK" )\r
 126 #define portYIELD_FROM_ISR( xHigherPriorityTaskWoken ) if( xHigherPriorityTaskWoken ) vTaskSwitchContext()\r
 127 #define portNOP()       __asm( "NOP" )\r
 128 /*-----------------------------------------------------------*/\r
 129 \r
 130 /* Hardwware specifics. */\r
 131 #define portBYTE_ALIGNMENT      2\r
 132 #define portSTACK_GROWTH        ( -1 )\r
 133 #define portTICK_PERIOD_MS      ( ( TickType_t ) 1000 / configTICK_RATE_HZ )\r
 134 /*-----------------------------------------------------------*/\r
 135 \r
 136 /* Task function macros as described on the FreeRTOS.org WEB site. */\r
 137 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )\r
 138 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )\r
 139 \r
 140 #ifdef __cplusplus\r
 141 }\r
 142 #endif\r
 143 \r
 144 #endif /* PORTMACRO_H */\r
 145 \r