git.sur5r.net Git - freertos/blob - FreeRTOS/Source/portable/GCC/TriCore_1782/portmacro.h

   1 /*\r
   2     FreeRTOS V7.4.2 - Copyright (C) 2013 Real Time Engineers Ltd.\r
   3 \r
   4     FEATURES AND PORTS ARE ADDED TO FREERTOS ALL THE TIME.  PLEASE VISIT\r
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   6 \r
   7     ***************************************************************************\r
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  24     ***************************************************************************\r
  25 \r
  26 \r
  27     This file is part of the FreeRTOS distribution.\r
  28 \r
  29     FreeRTOS is free software; you can redistribute it and/or modify it under\r
  30     the terms of the GNU General Public License (version 2) as published by the\r
  31     Free Software Foundation AND MODIFIED BY the FreeRTOS exception.\r
  32 \r
  33     >>>>>>NOTE<<<<<< The modification to the GPL is included to allow you to\r
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  35     provide the source code for proprietary components outside of the FreeRTOS\r
  36     kernel.\r
  37 \r
  38     FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY\r
  39     WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS\r
  40     FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more\r
  41     details. You should have received a copy of the GNU General Public License\r
  42     and the FreeRTOS license exception along with FreeRTOS; if not it can be\r
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  45     on the FreeRTOS WEB site.\r
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  47     1 tab == 4 spaces!\r
  48 \r
  49     ***************************************************************************\r
  50      *                                                                       *\r
  51      *    Having a problem?  Start by reading the FAQ "My application does   *\r
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  57 \r
  58 \r
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  70     http://www.SafeRTOS.com - High Integrity Systems also provide a safety \r
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  73 */\r
  74 \r
  75 #ifndef PORTMACRO_H\r
  76 #define PORTMACRO_H\r
  77 \r
  78 #ifdef __cplusplus\r
  79 extern "C" {\r
  80 #endif\r
  81 \r
  82 /* System Includes. */\r
  83 #include <tc1782.h>\r
  84 #include <machine/intrinsics.h>\r
  85 \r
  86 /*-----------------------------------------------------------\r
  87  * Port specific definitions.\r
  88  *\r
  89  * The settings in this file configure FreeRTOS correctly for the\r
  90  * given hardware and compiler.\r
  91  *\r
  92  * These settings should not be altered.\r
  93  *-----------------------------------------------------------\r
  94  */\r
  95 \r
  96 /* Type definitions. */\r
  97 #define portCHAR                char\r
  98 #define portFLOAT               float\r
  99 #define portDOUBLE              double\r
 100 #define portLONG                long\r
 101 #define portSHORT               short\r
 102 #define portSTACK_TYPE  unsigned long\r
 103 #define portBASE_TYPE   long\r
 104 \r
 105 #if( configUSE_16_BIT_TICKS == 1 )\r
 106         typedef unsigned portSHORT portTickType;\r
 107         #define portMAX_DELAY ( portTickType ) 0xffff\r
 108 #else\r
 109         typedef unsigned portLONG portTickType;\r
 110         #define portMAX_DELAY ( portTickType ) 0xffffffff\r
 111 #endif\r
 112 /*---------------------------------------------------------------------------*/\r
 113 \r
 114 /* Architecture specifics. */\r
 115 #define portSTACK_GROWTH                                                        ( -1 )\r
 116 #define portTICK_RATE_MS                                                        ( ( portTickType ) 1000 / configTICK_RATE_HZ )\r
 117 #define portBYTE_ALIGNMENT                                                      4\r
 118 #define portNOP()                                                                       __asm volatile( " nop " )\r
 119 #define portCRITICAL_NESTING_IN_TCB                                     1\r
 120 #define portRESTORE_FIRST_TASK_PRIORITY_LEVEL           1\r
 121 \r
 122 \r
 123 /*---------------------------------------------------------------------------*/\r
 124 \r
 125 typedef struct MPU_SETTINGS { unsigned long ulNotUsed; } xMPU_SETTINGS;\r
 126 \r
 127 /* Define away the instruction from the Restore Context Macro. */\r
 128 #define portPRIVILEGE_BIT                                                       0x0UL\r
 129 \r
 130 #define portCCPN_MASK                                           ( 0x000000FFUL )\r
 131 \r
 132 extern void vTaskEnterCritical( void );\r
 133 extern void vTaskExitCritical( void );\r
 134 #define portENTER_CRITICAL()                    vTaskEnterCritical()\r
 135 #define portEXIT_CRITICAL()                             vTaskExitCritical()\r
 136 /*---------------------------------------------------------------------------*/\r
 137 \r
 138 /* CSA Manipulation. */\r
 139 #define portCSA_TO_ADDRESS( pCSA )                      ( ( unsigned long * )( ( ( ( pCSA ) & 0x000F0000 ) << 12 ) | ( ( ( pCSA ) & 0x0000FFFF ) << 6 ) ) )\r
 140 #define portADDRESS_TO_CSA( pAddress )          ( ( unsigned long )( ( ( ( (unsigned long)( pAddress ) ) & 0xF0000000 ) >> 12 ) | ( ( ( unsigned long )( pAddress ) & 0x003FFFC0 ) >> 6 ) ) )\r
 141 /*---------------------------------------------------------------------------*/\r
 142 \r
 143 #define portYIELD()                                                             _syscall( 0 )\r
 144 /* Port Restore is implicit in the platform when the function is returned from the original PSW is automatically replaced. */\r
 145 #define portSYSCALL_TASK_YIELD                                  0\r
 146 #define portSYSCALL_RAISE_PRIORITY                              1\r
 147 /*---------------------------------------------------------------------------*/\r
 148 \r
 149 /* Critical section management. */\r
 150 \r
 151 /* Set ICR.CCPN to configMAX_SYSCALL_INTERRUPT_PRIORITY. */\r
 152 #define portDISABLE_INTERRUPTS()        {                                                                                                                                                                                                       \\r
 153                                                                                 unsigned long ulICR;                                                                                                                                                    \\r
 154                                                                                 _disable();                                                                                                                                                                             \\r
 155                                                                                 ulICR = _mfcr( $ICR );          /* Get current ICR value. */                                                                            \\r
 156                                                                                 ulICR &= ~portCCPN_MASK;        /* Clear down mask bits. */                                                                                     \\r
 157                                                                                 ulICR |= configMAX_SYSCALL_INTERRUPT_PRIORITY; /* Set mask bits to required priority mask. */   \\r
 158                                                                                 _mtcr( $ICR, ulICR );           /* Write back updated ICR. */                                                                           \\r
 159                                                                                 _isync();                                                                                                                                                                               \\r
 160                                                                                 _enable();                                                                                                                                                                              \\r
 161                                                                         }\r
 162 \r
 163 /* Clear ICR.CCPN to allow all interrupt priorities. */\r
 164 #define portENABLE_INTERRUPTS()         {                                                                                                                                       \\r
 165                                                                                 unsigned long ulICR;                                                                                    \\r
 166                                                                                 _disable();                                                                                                             \\r
 167                                                                                 ulICR = _mfcr( $ICR );          /* Get current ICR value. */            \\r
 168                                                                                 ulICR &= ~portCCPN_MASK;        /* Clear down mask bits. */                     \\r
 169                                                                                 _mtcr( $ICR, ulICR );           /* Write back updated ICR. */           \\r
 170                                                                                 _isync();                                                                                                               \\r
 171                                                                                 _enable();                                                                                                              \\r
 172                                                                         }\r
 173 \r
 174 /* Set ICR.CCPN to uxSavedMaskValue. */\r
 175 #define portCLEAR_INTERRUPT_MASK_FROM_ISR( uxSavedMaskValue )   {                                                                                                                                                                               \\r
 176                                                                                                                                         unsigned long ulICR;                                                                                                                            \\r
 177                                                                                                                                         _disable();                                                                                                                                                     \\r
 178                                                                                                                                         ulICR = _mfcr( $ICR );          /* Get current ICR value. */                                                    \\r
 179                                                                                                                                         ulICR &= ~portCCPN_MASK;        /* Clear down mask bits. */                                                             \\r
 180                                                                                                                                         ulICR |= uxSavedMaskValue;      /* Set mask bits to previously saved mask value. */             \\r
 181                                                                                                                                         _mtcr( $ICR, ulICR );           /* Write back updated ICR. */                                                   \\r
 182                                                                                                                                         _isync();                                                                                                                                                       \\r
 183                                                                                                                                         _enable();                                                                                                                                                      \\r
 184                                                                                                                                 }\r
 185 \r
 186 \r
 187 /* Set ICR.CCPN to configMAX_SYSCALL_INTERRUPT_PRIORITY */\r
 188 extern unsigned long uxPortSetInterruptMaskFromISR( void );\r
 189 #define portSET_INTERRUPT_MASK_FROM_ISR()       uxPortSetInterruptMaskFromISR()\r
 190 \r
 191 /* Pend a priority 1 interrupt, which will take care of the context switch. */\r
 192 #define portYIELD_FROM_ISR( xHigherPriorityTaskWoken )          if( xHigherPriorityTaskWoken != pdFALSE ) {     CPU_SRC0.bits.SETR = 1; _isync(); }\r
 193 \r
 194 /*---------------------------------------------------------------------------*/\r
 195 \r
 196 /* Task function macros as described on the FreeRTOS.org WEB site. */\r
 197 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )\r
 198 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )\r
 199 /*---------------------------------------------------------------------------*/\r
 200 \r
 201 /*\r
 202  * Port specific clean up macro required to free the CSAs that were consumed by\r
 203  * a task that has since been deleted.\r
 204  */\r
 205 void vPortReclaimCSA( unsigned long *pxTCB );\r
 206 #define portCLEAN_UP_TCB( pxTCB )               vPortReclaimCSA( ( unsigned long * ) ( pxTCB ) )\r
 207 \r
 208 #ifdef __cplusplus\r
 209 }\r
 210 #endif\r
 211 \r
 212 #endif /* PORTMACRO_H */\r