git.sur5r.net Git - freertos/blob - FreeRTOS/Source/portable/GCC/H8S2329/portmacro.h

   1 /*\r
   2     FreeRTOS V8.2.1 - Copyright (C) 2015 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 \r
  71 #ifndef PORTMACRO_H\r
  72 #define PORTMACRO_H\r
  73 \r
  74 #ifdef __cplusplus\r
  75 extern "C" {\r
  76 #endif\r
  77 \r
  78 /*-----------------------------------------------------------\r
  79  * Port specific definitions.\r
  80  *\r
  81  * The settings in this file configure FreeRTOS correctly for the\r
  82  * given hardware and compiler.\r
  83  *\r
  84  * These settings should not be altered.\r
  85  *-----------------------------------------------------------\r
  86  */\r
  87 \r
  88 /* Type definitions. */\r
  89 #define portCHAR                char\r
  90 #define portFLOAT               float\r
  91 #define portDOUBLE              double\r
  92 #define portLONG                long\r
  93 #define portSHORT               short\r
  94 #define portSTACK_TYPE  uint8_t\r
  95 #define portBASE_TYPE   char\r
  96 \r
  97 typedef portSTACK_TYPE StackType_t;\r
  98 typedef signed char BaseType_t;\r
  99 typedef unsigned char UBaseType_t;\r
 100 \r
 101 #if( configUSE_16_BIT_TICKS == 1 )\r
 102         typedef uint16_t TickType_t;\r
 103         #define portMAX_DELAY ( TickType_t ) 0xffff\r
 104 #else\r
 105         typedef uint32_t TickType_t;\r
 106         #define portMAX_DELAY ( TickType_t ) 0xffffffffUL\r
 107 #endif\r
 108 /*-----------------------------------------------------------*/\r
 109 \r
 110 /* Hardware specifics. */\r
 111 #define portBYTE_ALIGNMENT                      2\r
 112 #define portSTACK_GROWTH                        ( -1 )\r
 113 #define portTICK_PERIOD_MS                      ( ( TickType_t ) 1000 / configTICK_RATE_HZ )\r
 114 #define portYIELD()                                     asm volatile( "TRAPA #0" )\r
 115 #define portNOP()                                       asm volatile( "NOP" )\r
 116 /*-----------------------------------------------------------*/\r
 117 \r
 118 /* Critical section handling. */\r
 119 #define portENABLE_INTERRUPTS()         asm volatile( "ANDC     #0x7F, CCR" );\r
 120 #define portDISABLE_INTERRUPTS()        asm volatile( "ORC  #0x80, CCR" );\r
 121 \r
 122 /* Push the CCR then disable interrupts. */\r
 123 #define portENTER_CRITICAL()            asm volatile( "STC      CCR, @-ER7" ); \\r
 124                                         portDISABLE_INTERRUPTS();\r
 125 \r
 126 /* Pop the CCR to set the interrupt masking back to its previous state. */\r
 127 #define  portEXIT_CRITICAL()            asm volatile( "LDC  @ER7+, CCR" );\r
 128 /*-----------------------------------------------------------*/\r
 129 \r
 130 /* Task utilities. */\r
 131 \r
 132 /* Context switch macros.  These macros are very simple as the context\r
 133 is saved simply by selecting the saveall attribute of the context switch\r
 134 interrupt service routines.  These macros save and restore the stack\r
 135 pointer to the TCB. */\r
 136 \r
 137 #define portSAVE_STACK_POINTER()                                                                \\r
 138 extern void* pxCurrentTCB;                                                                              \\r
 139                                                                                                                                 \\r
 140         asm volatile(                                                                                           \\r
 141                                         "MOV.L  @_pxCurrentTCB, ER5                     \n\t"   \\r
 142                                         "MOV.L  ER7, @ER5                                       \n\t"   \\r
 143                                 );                                                                                              \\r
 144         ( void ) pxCurrentTCB;\r
 145 \r
 146 \r
 147 #define portRESTORE_STACK_POINTER()                                                             \\r
 148 extern void* pxCurrentTCB;                                                                              \\r
 149                                                                                                                                 \\r
 150         asm volatile(                                                                                           \\r
 151                                         "MOV.L  @_pxCurrentTCB, ER5                     \n\t"   \\r
 152                                         "MOV.L  @ER5, ER7                                       \n\t"   \\r
 153                                 );                                                                                              \\r
 154         ( void ) pxCurrentTCB;\r
 155 \r
 156 /*-----------------------------------------------------------*/\r
 157 \r
 158 /* Macros to allow a context switch from within an application ISR. */\r
 159 \r
 160 #define portENTER_SWITCHING_ISR() portSAVE_STACK_POINTER(); {\r
 161 \r
 162 #define portEXIT_SWITCHING_ISR( x )                                                     \\r
 163         if( x )                                                                                                 \\r
 164         {                                                                                                               \\r
 165                 extern void vTaskSwitchContext( void );                         \\r
 166                 vTaskSwitchContext();                                                           \\r
 167         }                                                                                                               \\r
 168         } portRESTORE_STACK_POINTER();\r
 169 /*-----------------------------------------------------------*/\r
 170 \r
 171 /* Task function macros as described on the FreeRTOS.org WEB site. */\r
 172 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )\r
 173 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )\r
 174 \r
 175 #ifdef __cplusplus\r
 176 }\r
 177 #endif\r
 178 \r
 179 #endif /* PORTMACRO_H */\r
 180 \r