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

   1 /*\r
   2     FreeRTOS V8.2.0rc1 - Copyright (C) 2014 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     >>!   NOTE: The modification to the GPL is included to allow you to     !<<\r
  14     >>!   distribute a combined work that includes FreeRTOS without being   !<<\r
  15     >>!   obliged to provide the source code for proprietary components     !<<\r
  16     >>!   outside of the FreeRTOS kernel.                                   !<<\r
  17 \r
  18     FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY\r
  19     WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS\r
  20     FOR A PARTICULAR PURPOSE.  Full license text is available on the following\r
  21     link: http://www.freertos.org/a00114.html\r
  22 \r
  23     1 tab == 4 spaces!\r
  24 \r
  25     ***************************************************************************\r
  26      *                                                                       *\r
  27      *    Having a problem?  Start by reading the FAQ "My application does   *\r
  28      *    not run, what could be wrong?".  Have you defined configASSERT()?  *\r
  29      *                                                                       *\r
  30      *    http://www.FreeRTOS.org/FAQHelp.html                               *\r
  31      *                                                                       *\r
  32     ***************************************************************************\r
  33 \r
  34     ***************************************************************************\r
  35      *                                                                       *\r
  36      *    FreeRTOS provides completely free yet professionally developed,    *\r
  37      *    robust, strictly quality controlled, supported, and cross          *\r
  38      *    platform software that is more than just the market leader, it     *\r
  39      *    is the industry's de facto standard.                               *\r
  40      *                                                                       *\r
  41      *    Help yourself get started quickly while simultaneously helping     *\r
  42      *    to support the FreeRTOS project by purchasing a FreeRTOS           *\r
  43      *    tutorial book, reference manual, or both:                          *\r
  44      *    http://www.FreeRTOS.org/Documentation                              *\r
  45      *                                                                       *\r
  46     ***************************************************************************\r
  47 \r
  48     ***************************************************************************\r
  49      *                                                                       *\r
  50      *   Investing in training allows your team to be as productive as       *\r
  51      *   possible as early as possible, lowering your overall development    *\r
  52      *   cost, and enabling you to bring a more robust product to market     *\r
  53      *   earlier than would otherwise be possible.  Richard Barry is both    *\r
  54      *   the architect and key author of FreeRTOS, and so also the world's   *\r
  55      *   leading authority on what is the world's most popular real time     *\r
  56      *   kernel for deeply embedded MCU designs.  Obtaining your training    *\r
  57      *   from Richard ensures your team will gain directly from his in-depth *\r
  58      *   product knowledge and years of usage experience.  Contact Real Time *\r
  59      *   Engineers Ltd to enquire about the FreeRTOS Masterclass, presented  *\r
  60      *   by Richard Barry:  http://www.FreeRTOS.org/contact\r
  61      *                                                                       *\r
  62     ***************************************************************************\r
  63 \r
  64     ***************************************************************************\r
  65      *                                                                       *\r
  66      *    You are receiving this top quality software for free.  Please play *\r
  67      *    fair and reciprocate by reporting any suspected issues and         *\r
  68      *    participating in the community forum:                              *\r
  69      *    http://www.FreeRTOS.org/support                                    *\r
  70      *                                                                       *\r
  71      *    Thank you!                                                         *\r
  72      *                                                                       *\r
  73     ***************************************************************************\r
  74 \r
  75     http://www.FreeRTOS.org - Documentation, books, training, latest versions,\r
  76     license and Real Time Engineers Ltd. contact details.\r
  77 \r
  78     http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,\r
  79     including FreeRTOS+Trace - an indispensable productivity tool, a DOS\r
  80     compatible FAT file system, and our tiny thread aware UDP/IP stack.\r
  81 \r
  82     http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.\r
  83     Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.\r
  84 \r
  85     http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High\r
  86     Integrity Systems ltd. to sell under the OpenRTOS brand.  Low cost OpenRTOS\r
  87     licenses offer ticketed support, indemnification and commercial middleware.\r
  88 \r
  89     http://www.SafeRTOS.com - High Integrity Systems also provide a safety\r
  90     engineered and independently SIL3 certified version for use in safety and\r
  91     mission critical applications that require provable dependability.\r
  92 \r
  93     1 tab == 4 spaces!\r
  94 */\r
  95 \r
  96 \r
  97 #ifndef PORTMACRO_H\r
  98 #define PORTMACRO_H\r
  99 \r
 100 #ifdef __cplusplus\r
 101 extern "C" {\r
 102 #endif\r
 103 \r
 104 /*-----------------------------------------------------------\r
 105  * Port specific definitions.\r
 106  *\r
 107  * The settings in this file configure FreeRTOS correctly for the\r
 108  * given hardware and compiler.\r
 109  *\r
 110  * These settings should not be altered.\r
 111  *-----------------------------------------------------------\r
 112  */\r
 113 \r
 114 /* Type definitions. */\r
 115 #define portCHAR                char\r
 116 #define portFLOAT               float\r
 117 #define portDOUBLE              double\r
 118 #define portLONG                long\r
 119 #define portSHORT               short\r
 120 #define portSTACK_TYPE  uint8_t\r
 121 #define portBASE_TYPE   char\r
 122 \r
 123 typedef portSTACK_TYPE StackType_t;\r
 124 typedef signed char BaseType_t;\r
 125 typedef unsigned char UBaseType_t;\r
 126 \r
 127 #if( configUSE_16_BIT_TICKS == 1 )\r
 128         typedef uint16_t TickType_t;\r
 129         #define portMAX_DELAY ( TickType_t ) 0xffff\r
 130 #else\r
 131         typedef uint32_t TickType_t;\r
 132         #define portMAX_DELAY ( TickType_t ) 0xffffffffUL\r
 133 #endif\r
 134 /*-----------------------------------------------------------*/\r
 135 \r
 136 /* Hardware specifics. */\r
 137 #define portBYTE_ALIGNMENT                      2\r
 138 #define portSTACK_GROWTH                        ( -1 )\r
 139 #define portTICK_PERIOD_MS                      ( ( TickType_t ) 1000 / configTICK_RATE_HZ )\r
 140 #define portYIELD()                                     asm volatile( "TRAPA #0" )\r
 141 #define portNOP()                                       asm volatile( "NOP" )\r
 142 /*-----------------------------------------------------------*/\r
 143 \r
 144 /* Critical section handling. */\r
 145 #define portENABLE_INTERRUPTS()         asm volatile( "ANDC     #0x7F, CCR" );\r
 146 #define portDISABLE_INTERRUPTS()        asm volatile( "ORC  #0x80, CCR" );\r
 147 \r
 148 /* Push the CCR then disable interrupts. */\r
 149 #define portENTER_CRITICAL()            asm volatile( "STC      CCR, @-ER7" ); \\r
 150                                         portDISABLE_INTERRUPTS();\r
 151 \r
 152 /* Pop the CCR to set the interrupt masking back to its previous state. */\r
 153 #define  portEXIT_CRITICAL()            asm volatile( "LDC  @ER7+, CCR" );\r
 154 /*-----------------------------------------------------------*/\r
 155 \r
 156 /* Task utilities. */\r
 157 \r
 158 /* Context switch macros.  These macros are very simple as the context\r
 159 is saved simply by selecting the saveall attribute of the context switch\r
 160 interrupt service routines.  These macros save and restore the stack\r
 161 pointer to the TCB. */\r
 162 \r
 163 #define portSAVE_STACK_POINTER()                                                                \\r
 164 extern void* pxCurrentTCB;                                                                              \\r
 165                                                                                                                                 \\r
 166         asm volatile(                                                                                           \\r
 167                                         "MOV.L  @_pxCurrentTCB, ER5                     \n\t"   \\r
 168                                         "MOV.L  ER7, @ER5                                       \n\t"   \\r
 169                                 );                                                                                              \\r
 170         ( void ) pxCurrentTCB;\r
 171 \r
 172 \r
 173 #define portRESTORE_STACK_POINTER()                                                             \\r
 174 extern void* pxCurrentTCB;                                                                              \\r
 175                                                                                                                                 \\r
 176         asm volatile(                                                                                           \\r
 177                                         "MOV.L  @_pxCurrentTCB, ER5                     \n\t"   \\r
 178                                         "MOV.L  @ER5, ER7                                       \n\t"   \\r
 179                                 );                                                                                              \\r
 180         ( void ) pxCurrentTCB;\r
 181 \r
 182 /*-----------------------------------------------------------*/\r
 183 \r
 184 /* Macros to allow a context switch from within an application ISR. */\r
 185 \r
 186 #define portENTER_SWITCHING_ISR() portSAVE_STACK_POINTER(); {\r
 187 \r
 188 #define portEXIT_SWITCHING_ISR( x )                                                     \\r
 189         if( x )                                                                                                 \\r
 190         {                                                                                                               \\r
 191                 extern void vTaskSwitchContext( void );                         \\r
 192                 vTaskSwitchContext();                                                           \\r
 193         }                                                                                                               \\r
 194         } portRESTORE_STACK_POINTER();\r
 195 /*-----------------------------------------------------------*/\r
 196 \r
 197 /* Task function macros as described on the FreeRTOS.org WEB site. */\r
 198 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )\r
 199 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )\r
 200 \r
 201 #ifdef __cplusplus\r
 202 }\r
 203 #endif\r
 204 \r
 205 #endif /* PORTMACRO_H */\r
 206 \r