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

   1 /*\r
   2  * FreeRTOS Kernel V10.1.0\r
   3  * Copyright (C) 2018 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.\r
  14  *\r
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS\r
  17  * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR\r
  18  * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER\r
  19  * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\r
  20  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
  21  *\r
  22  * http://www.FreeRTOS.org\r
  23  * http://aws.amazon.com/freertos\r
  24  *\r
  25  * 1 tab == 4 spaces!\r
  26  */\r
  27 \r
  28 #ifndef PORTMACRO_H\r
  29 #define PORTMACRO_H\r
  30 \r
  31 #ifdef __cplusplus\r
  32 extern "C" {\r
  33 #endif\r
  34 \r
  35 /* System Includes. */\r
  36 #include <tc1782.h>\r
  37 #include <machine/intrinsics.h>\r
  38 \r
  39 /*-----------------------------------------------------------\r
  40  * Port specific definitions.\r
  41  *\r
  42  * The settings in this file configure FreeRTOS correctly for the\r
  43  * given hardware and compiler.\r
  44  *\r
  45  * These settings should not be altered.\r
  46  *-----------------------------------------------------------\r
  47  */\r
  48 \r
  49 /* Type definitions. */\r
  50 #define portCHAR                char\r
  51 #define portFLOAT               float\r
  52 #define portDOUBLE              double\r
  53 #define portLONG                long\r
  54 #define portSHORT               short\r
  55 #define portSTACK_TYPE  uint32_t\r
  56 #define portBASE_TYPE   long\r
  57 \r
  58 typedef portSTACK_TYPE StackType_t;\r
  59 typedef long BaseType_t;\r
  60 typedef unsigned long UBaseType_t;\r
  61 \r
  62 #if( configUSE_16_BIT_TICKS == 1 )\r
  63         typedef uint16_t TickType_t;\r
  64         #define portMAX_DELAY ( TickType_t ) 0xffff\r
  65 #else\r
  66         typedef uint32_t TickType_t;\r
  67         #define portMAX_DELAY ( TickType_t ) 0xffffffffUL\r
  68 \r
  69         /* 32-bit tick type on a 32-bit architecture, so reads of the tick count do\r
  70         not need to be guarded with a critical section. */\r
  71         #define portTICK_TYPE_IS_ATOMIC 1\r
  72 #endif\r
  73 /*---------------------------------------------------------------------------*/\r
  74 \r
  75 /* Architecture specifics. */\r
  76 #define portSTACK_GROWTH                                                        ( -1 )\r
  77 #define portTICK_PERIOD_MS                                                      ( ( TickType_t ) 1000 / configTICK_RATE_HZ )\r
  78 #define portBYTE_ALIGNMENT                                                      4\r
  79 #define portNOP()                                                                       __asm volatile( " nop " )\r
  80 #define portCRITICAL_NESTING_IN_TCB                                     1\r
  81 #define portRESTORE_FIRST_TASK_PRIORITY_LEVEL           1\r
  82 \r
  83 \r
  84 /*---------------------------------------------------------------------------*/\r
  85 \r
  86 typedef struct MPU_SETTINGS { uint32_t ulNotUsed; } xMPU_SETTINGS;\r
  87 \r
  88 /* Define away the instruction from the Restore Context Macro. */\r
  89 #define portPRIVILEGE_BIT                                                       0x0UL\r
  90 \r
  91 #define portCCPN_MASK                                           ( 0x000000FFUL )\r
  92 \r
  93 extern void vTaskEnterCritical( void );\r
  94 extern void vTaskExitCritical( void );\r
  95 #define portENTER_CRITICAL()                    vTaskEnterCritical()\r
  96 #define portEXIT_CRITICAL()                             vTaskExitCritical()\r
  97 /*---------------------------------------------------------------------------*/\r
  98 \r
  99 /* CSA Manipulation. */\r
 100 #define portCSA_TO_ADDRESS( pCSA )                      ( ( uint32_t * )( ( ( ( pCSA ) & 0x000F0000 ) << 12 ) | ( ( ( pCSA ) & 0x0000FFFF ) << 6 ) ) )\r
 101 #define portADDRESS_TO_CSA( pAddress )          ( ( uint32_t )( ( ( ( (uint32_t)( pAddress ) ) & 0xF0000000 ) >> 12 ) | ( ( ( uint32_t )( pAddress ) & 0x003FFFC0 ) >> 6 ) ) )\r
 102 /*---------------------------------------------------------------------------*/\r
 103 \r
 104 #define portYIELD()                                                             _syscall( 0 )\r
 105 /* Port Restore is implicit in the platform when the function is returned from the original PSW is automatically replaced. */\r
 106 #define portSYSCALL_TASK_YIELD                                  0\r
 107 #define portSYSCALL_RAISE_PRIORITY                              1\r
 108 /*---------------------------------------------------------------------------*/\r
 109 \r
 110 /* Critical section management. */\r
 111 \r
 112 /* Set ICR.CCPN to configMAX_SYSCALL_INTERRUPT_PRIORITY. */\r
 113 #define portDISABLE_INTERRUPTS()        {                                                                                                                                                                                                       \\r
 114                                                                                 uint32_t ulICR;                                                                                                                                                 \\r
 115                                                                                 _disable();                                                                                                                                                                             \\r
 116                                                                                 ulICR = __MFCR( $ICR );                 /* Get current ICR value. */                                                                            \\r
 117                                                                                 ulICR &= ~portCCPN_MASK;        /* Clear down mask bits. */                                                                                     \\r
 118                                                                                 ulICR |= configMAX_SYSCALL_INTERRUPT_PRIORITY; /* Set mask bits to required priority mask. */   \\r
 119                                                                                 _mtcr( $ICR, ulICR );           /* Write back updated ICR. */                                                                           \\r
 120                                                                                 _isync();                                                                                                                                                                               \\r
 121                                                                                 _enable();                                                                                                                                                                              \\r
 122                                                                         }\r
 123 \r
 124 /* Clear ICR.CCPN to allow all interrupt priorities. */\r
 125 #define portENABLE_INTERRUPTS()         {                                                                                                                                       \\r
 126                                                                                 uint32_t ulICR;                                                                                 \\r
 127                                                                                 _disable();                                                                                                             \\r
 128                                                                                 ulICR = __MFCR( $ICR );         /* Get current ICR value. */            \\r
 129                                                                                 ulICR &= ~portCCPN_MASK;        /* Clear down mask bits. */                     \\r
 130                                                                                 _mtcr( $ICR, ulICR );           /* Write back updated ICR. */           \\r
 131                                                                                 _isync();                                                                                                               \\r
 132                                                                                 _enable();                                                                                                              \\r
 133                                                                         }\r
 134 \r
 135 /* Set ICR.CCPN to uxSavedMaskValue. */\r
 136 #define portCLEAR_INTERRUPT_MASK_FROM_ISR( uxSavedMaskValue )   {                                                                                                                                                                               \\r
 137                                                                                                                                         uint32_t ulICR;                                                                                                                         \\r
 138                                                                                                                                         _disable();                                                                                                                                                     \\r
 139                                                                                                                                         ulICR = __MFCR( $ICR );         /* Get current ICR value. */                                                    \\r
 140                                                                                                                                         ulICR &= ~portCCPN_MASK;        /* Clear down mask bits. */                                                             \\r
 141                                                                                                                                         ulICR |= uxSavedMaskValue;      /* Set mask bits to previously saved mask value. */             \\r
 142                                                                                                                                         _mtcr( $ICR, ulICR );           /* Write back updated ICR. */                                                   \\r
 143                                                                                                                                         _isync();                                                                                                                                                       \\r
 144                                                                                                                                         _enable();                                                                                                                                                      \\r
 145                                                                                                                                 }\r
 146 \r
 147 \r
 148 /* Set ICR.CCPN to configMAX_SYSCALL_INTERRUPT_PRIORITY */\r
 149 extern uint32_t uxPortSetInterruptMaskFromISR( void );\r
 150 #define portSET_INTERRUPT_MASK_FROM_ISR()       uxPortSetInterruptMaskFromISR()\r
 151 \r
 152 /* Pend a priority 1 interrupt, which will take care of the context switch. */\r
 153 #define portYIELD_FROM_ISR( xHigherPriorityTaskWoken )          if( xHigherPriorityTaskWoken != pdFALSE ) {     CPU_SRC0.bits.SETR = 1; _isync(); }\r
 154 \r
 155 /*---------------------------------------------------------------------------*/\r
 156 \r
 157 /* Task function macros as described on the FreeRTOS.org WEB site. */\r
 158 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )\r
 159 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )\r
 160 /*---------------------------------------------------------------------------*/\r
 161 \r
 162 /*\r
 163  * Port specific clean up macro required to free the CSAs that were consumed by\r
 164  * a task that has since been deleted.\r
 165  */\r
 166 void vPortReclaimCSA( uint32_t *pxTCB );\r
 167 #define portCLEAN_UP_TCB( pxTCB )               vPortReclaimCSA( ( uint32_t * ) ( pxTCB ) )\r
 168 \r
 169 #ifdef __cplusplus\r
 170 }\r
 171 #endif\r
 172 \r
 173 #endif /* PORTMACRO_H */\r