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

   1 /*\r
   2     FreeRTOS V7.1.1 - Copyright (C) 2012 Real Time Engineers Ltd.\r
   3 \r
   4 \r
   5     ***************************************************************************\r
   6      *                                                                       *\r
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  22     ***************************************************************************\r
  23 \r
  24 \r
  25     This file is part of the FreeRTOS distribution.\r
  26 \r
  27     FreeRTOS is free software; you can redistribute it and/or modify it under\r
  28     the terms of the GNU General Public License (version 2) as published by the\r
  29     Free Software Foundation AND MODIFIED BY the FreeRTOS exception.\r
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  33     kernel.  FreeRTOS is distributed in the hope that it will be useful, but\r
  34     WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY\r
  35     or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for\r
  36     more details. You should have received a copy of the GNU General Public\r
  37     License and the FreeRTOS license exception along with FreeRTOS; if not it\r
  38     can be viewed here: http://www.freertos.org/a00114.html and also obtained\r
  39     by writing to Richard Barry, contact details for whom are available on the\r
  40     FreeRTOS WEB site.\r
  41 \r
  42     1 tab == 4 spaces!\r
  43     \r
  44     ***************************************************************************\r
  45      *                                                                       *\r
  46      *    Having a problem?  Start by reading the FAQ "My application does   *\r
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  48      *                                                                       *\r
  49      *    http://www.FreeRTOS.org/FAQHelp.html                               *\r
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  52 \r
  53     \r
  54     http://www.FreeRTOS.org - Documentation, training, latest information, \r
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  60     Real Time Engineers ltd license FreeRTOS to High Integrity Systems, who sell \r
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  64     the SafeRTOS brand: http://www.SafeRTOS.com.\r
  65 */\r
  66 \r
  67 #ifndef PORTMACRO_H\r
  68 #define PORTMACRO_H\r
  69 \r
  70 #ifdef __cplusplus\r
  71 extern "C" {\r
  72 #endif\r
  73 \r
  74 /* System Includes. */\r
  75 #include <tc1782.h>\r
  76 #include <machine/intrinsics.h>\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  unsigned long\r
  95 #define portBASE_TYPE   long\r
  96 \r
  97 #if( configUSE_16_BIT_TICKS == 1 )\r
  98         typedef unsigned portSHORT portTickType;\r
  99         #define portMAX_DELAY ( portTickType ) 0xffff\r
 100 #else\r
 101         typedef unsigned portLONG portTickType;\r
 102         #define portMAX_DELAY ( portTickType ) 0xffffffff\r
 103 #endif\r
 104 /*---------------------------------------------------------------------------*/\r
 105 \r
 106 /* Architecture specifics. */\r
 107 #define portSTACK_GROWTH                                                        ( -1 )\r
 108 #define portTICK_RATE_MS                                                        ( ( portTickType ) 1000 / configTICK_RATE_HZ )\r
 109 #define portBYTE_ALIGNMENT                                                      4\r
 110 #define portNOP()                                                                       __asm volatile( " nop " )\r
 111 #define portCRITICAL_NESTING_IN_TCB                                     1\r
 112 #define portRESTORE_FIRST_TASK_PRIORITY_LEVEL           1\r
 113 \r
 114 \r
 115 /*---------------------------------------------------------------------------*/\r
 116 \r
 117 typedef struct MPU_SETTINGS { unsigned long ulNotUsed; } xMPU_SETTINGS;\r
 118 \r
 119 /* Define away the instruction from the Restore Context Macro. */\r
 120 #define portPRIVILEGE_BIT                                                       0x0UL\r
 121 \r
 122 #define portCCPN_MASK                                           ( 0x000000FFUL )\r
 123 \r
 124 extern void vTaskEnterCritical( void );\r
 125 extern void vTaskExitCritical( void );\r
 126 #define portENTER_CRITICAL()                    vTaskEnterCritical()\r
 127 #define portEXIT_CRITICAL()                             vTaskExitCritical()\r
 128 /*---------------------------------------------------------------------------*/\r
 129 \r
 130 /* CSA Manipulation. */\r
 131 #define portCSA_TO_ADDRESS( pCSA )                      ( ( unsigned long * )( ( ( ( pCSA ) & 0x000F0000 ) << 12 ) | ( ( ( pCSA ) & 0x0000FFFF ) << 6 ) ) )\r
 132 #define portADDRESS_TO_CSA( pAddress )          ( ( unsigned long )( ( ( ( (unsigned long)( pAddress ) ) & 0xF0000000 ) >> 12 ) | ( ( ( unsigned long )( pAddress ) & 0x003FFFC0 ) >> 6 ) ) )\r
 133 /*---------------------------------------------------------------------------*/\r
 134 \r
 135 #define portYIELD()                                                             _syscall( 0 )\r
 136 /* Port Restore is implicit in the platform when the function is returned from the original PSW is automatically replaced. */\r
 137 #define portSYSCALL_TASK_YIELD                                  0\r
 138 #define portSYSCALL_RAISE_PRIORITY                              1\r
 139 /*---------------------------------------------------------------------------*/\r
 140 \r
 141 /* Critical section management. */\r
 142 \r
 143 /* Set ICR.CCPN to configMAX_SYSCALL_INTERRUPT_PRIORITY. */\r
 144 #define portDISABLE_INTERRUPTS()        {                                                                                                                                                                                                       \\r
 145                                                                                 unsigned long ulICR;                                                                                                                                                    \\r
 146                                                                                 _disable();                                                                                                                                                                             \\r
 147                                                                                 ulICR = _mfcr( $ICR );          /* Get current ICR value. */                                                                            \\r
 148                                                                                 ulICR &= ~portCCPN_MASK;        /* Clear down mask bits. */                                                                                     \\r
 149                                                                                 ulICR |= configMAX_SYSCALL_INTERRUPT_PRIORITY; /* Set mask bits to required priority mask. */   \\r
 150                                                                                 _mtcr( $ICR, ulICR );           /* Write back updated ICR. */                                                                           \\r
 151                                                                                 _isync();                                                                                                                                                                               \\r
 152                                                                                 _enable();                                                                                                                                                                              \\r
 153                                                                         }\r
 154 \r
 155 /* Clear ICR.CCPN to allow all interrupt priorities. */\r
 156 #define portENABLE_INTERRUPTS()         {                                                                                                                                       \\r
 157                                                                                 unsigned long ulICR;                                                                                    \\r
 158                                                                                 _disable();                                                                                                             \\r
 159                                                                                 ulICR = _mfcr( $ICR );          /* Get current ICR value. */            \\r
 160                                                                                 ulICR &= ~portCCPN_MASK;        /* Clear down mask bits. */                     \\r
 161                                                                                 _mtcr( $ICR, ulICR );           /* Write back updated ICR. */           \\r
 162                                                                                 _isync();                                                                                                               \\r
 163                                                                                 _enable();                                                                                                              \\r
 164                                                                         }\r
 165 \r
 166 /* Set ICR.CCPN to uxSavedMaskValue. */\r
 167 #define portCLEAR_INTERRUPT_MASK_FROM_ISR( uxSavedMaskValue )   {                                                                                                                                                                               \\r
 168                                                                                                                                         unsigned long ulICR;                                                                                                                            \\r
 169                                                                                                                                         _disable();                                                                                                                                                     \\r
 170                                                                                                                                         ulICR = _mfcr( $ICR );          /* Get current ICR value. */                                                    \\r
 171                                                                                                                                         ulICR &= ~portCCPN_MASK;        /* Clear down mask bits. */                                                             \\r
 172                                                                                                                                         ulICR |= uxSavedMaskValue;      /* Set mask bits to previously saved mask value. */             \\r
 173                                                                                                                                         _mtcr( $ICR, ulICR );           /* Write back updated ICR. */                                                   \\r
 174                                                                                                                                         _isync();                                                                                                                                                       \\r
 175                                                                                                                                         _enable();                                                                                                                                                      \\r
 176                                                                                                                                 }\r
 177 \r
 178 \r
 179 /* Set ICR.CCPN to configMAX_SYSCALL_INTERRUPT_PRIORITY */\r
 180 extern unsigned long uxPortSetInterruptMaskFromISR( void );\r
 181 #define portSET_INTERRUPT_MASK_FROM_ISR()       uxPortSetInterruptMaskFromISR()\r
 182 \r
 183 /* As this port holds a CSA address in pxTopOfStack, the assert that checks the\r
 184 pxTopOfStack alignment is removed. */\r
 185 #define portALIGNMENT_ASSERT_pxCurrentTCB ( void )\r
 186 \r
 187 /* Pend a priority 1 interrupt, which will take care of the context switch. */\r
 188 #define portYIELD_FROM_ISR( xHigherPriorityTaskWoken )          if( xHigherPriorityTaskWoken != pdFALSE ) {     CPU_SRC0.bits.SETR = 1; _isync(); }\r
 189 \r
 190 /*---------------------------------------------------------------------------*/\r
 191 \r
 192 /* Task function macros as described on the FreeRTOS.org WEB site. */\r
 193 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )\r
 194 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )\r
 195 /*---------------------------------------------------------------------------*/\r
 196 \r
 197 /*\r
 198  * Port specific clean up macro required to free the CSAs that were consumed by\r
 199  * a task that has since been deleted.\r
 200  */\r
 201 void vPortReclaimCSA( unsigned long *pxTCB );\r
 202 #define portCLEAN_UP_TCB( pxTCB )               vPortReclaimCSA( ( unsigned long * ) ( pxTCB ) )\r
 203 \r
 204 #ifdef __cplusplus\r
 205 }\r
 206 #endif\r
 207 \r
 208 #endif /* PORTMACRO_H */\r