git.sur5r.net Git - freertos/blob - FreeRTOS/Source/portable/GCC/CORTUS_APS3/portmacro.h

   1 /*\r
   2     FreeRTOS V9.0.0rc2 - Copyright (C) 2016 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
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  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 #ifndef PORTMACRO_H\r
  71 #define PORTMACRO_H\r
  72 \r
  73 #ifdef __cplusplus\r
  74 extern "C" {\r
  75 #endif\r
  76 \r
  77 #include <machine/cpu.h>\r
  78 \r
  79 /*-----------------------------------------------------------\r
  80  * Port specific definitions.\r
  81  *\r
  82  * The settings in this file configure FreeRTOS correctly for the\r
  83  * given hardware and compiler.\r
  84  *\r
  85  * These settings should not be altered.\r
  86  *-----------------------------------------------------------\r
  87  */\r
  88 \r
  89 /* Type definitions. */\r
  90 #define portCHAR                char\r
  91 #define portFLOAT               float\r
  92 #define portDOUBLE              double\r
  93 #define portLONG                long\r
  94 #define portSHORT               short\r
  95 #define portSTACK_TYPE  uint32_t\r
  96 #define portBASE_TYPE   long\r
  97 \r
  98 typedef portSTACK_TYPE StackType_t;\r
  99 typedef long BaseType_t;\r
 100 typedef unsigned long UBaseType_t;\r
 101 \r
 102 #if( configUSE_16_BIT_TICKS == 1 )\r
 103         typedef uint16_t TickType_t;\r
 104         #define portMAX_DELAY ( TickType_t ) 0xffff\r
 105 #else\r
 106         typedef uint32_t TickType_t;\r
 107         #define portMAX_DELAY ( TickType_t ) 0xffffffffUL\r
 108 #endif\r
 109 /*-----------------------------------------------------------*/\r
 110 \r
 111 /* Architecture specifics. */\r
 112 #define portSTACK_GROWTH                                                        ( -1 )\r
 113 #define portTICK_PERIOD_MS                                                      ( ( TickType_t ) 1000 / configTICK_RATE_HZ )\r
 114 #define portBYTE_ALIGNMENT                                                      4\r
 115 #define portNOP()                                                                       __asm__ volatile ( "mov r0, r0" )\r
 116 #define portCRITICAL_NESTING_IN_TCB                                     1\r
 117 #define portIRQ_TRAP_YIELD                                                      31\r
 118 /*-----------------------------------------------------------*/\r
 119 \r
 120 /* Task utilities. */\r
 121 \r
 122 extern void vPortYield( void );\r
 123 \r
 124 /*---------------------------------------------------------------------------*/\r
 125 \r
 126 #define portYIELD()             asm __volatile__( " trap #%0 "::"i"(portIRQ_TRAP_YIELD):"memory")\r
 127 /*---------------------------------------------------------------------------*/\r
 128 \r
 129 extern void vTaskEnterCritical( void );\r
 130 extern void vTaskExitCritical( void );\r
 131 #define portENTER_CRITICAL()            vTaskEnterCritical()\r
 132 #define portEXIT_CRITICAL()                     vTaskExitCritical()\r
 133 /*---------------------------------------------------------------------------*/\r
 134 \r
 135 /* Critical section management. */\r
 136 #define portDISABLE_INTERRUPTS()        cpu_int_disable()\r
 137 #define portENABLE_INTERRUPTS()         cpu_int_enable()\r
 138 \r
 139 /*---------------------------------------------------------------------------*/\r
 140 \r
 141 #define portYIELD_FROM_ISR( xHigherPriorityTaskWoken ) if( xHigherPriorityTaskWoken != pdFALSE ) vTaskSwitchContext()\r
 142 \r
 143 /*---------------------------------------------------------------------------*/\r
 144 \r
 145 #define portSAVE_CONTEXT()                              \\r
 146         asm __volatile__                                                                                                                                                                                                \\r
 147         (                                                                                                                                                                                                                               \\r
 148                 "sub    r1, #68                                 \n" /* Make space on the stack for the context. */                                                      \\r
 149                 "std    r2, [r1] +      0                       \n"                                                                                                                                                     \\r
 150                 "stq    r4, [r1] +      8                       \n"                                                                                                                                                     \\r
 151                 "stq    r8, [r1] +      24                      \n"                                                                                                                                                     \\r
 152                 "stq    r12, [r1] +     40                      \n"                                                                                                                                                     \\r
 153                 "mov    r6, rtt                                 \n"                                                                                                                                                     \\r
 154                 "mov    r7, psr                                 \n"                                                                                                                                                     \\r
 155                 "std    r6, [r1] +      56                      \n"                                                                                                                                                     \\r
 156                 "movhi  r2, #16384                              \n"     /* Set the pointer to the IC. */                                                                                \\r
 157                 "ldub   r3, [r2] + 2                    \n"     /* Load the current interrupt mask. */                                                                  \\r
 158                 "st             r3, [r1]+ 64                    \n"     /* Store the interrupt mask on the stack. */                                                    \\r
 159                 "ld             r2, [r0]+short(pxCurrentTCB)    \n"     /* Load the pointer to the TCB. */                                                              \\r
 160                 "st             r1, [r2]                                \n"     /* Save the stack pointer into the TCB. */                                                              \\r
 161                 "mov    r14, r1                                 \n"     /* Compiler expects r14 to be set to the function stack. */                             \\r
 162         );\r
 163 /*---------------------------------------------------------------------------*/\r
 164 \r
 165 #define portRESTORE_CONTEXT()                                                                                                                                                                           \\r
 166         asm __volatile__(                                                                                                                                                                                               \\r
 167                 "ld             r2, [r0]+short(pxCurrentTCB)    \n"     /* Load the TCB to find the stack pointer and context. */               \\r
 168                 "ld             r1, [r2]                                \n"                                                                                                                                                     \\r
 169                 "movhi  r2, #16384                              \n"     /* Set the pointer to the IC. */                                                                                \\r
 170                 "ld             r3, [r1] + 64                   \n"     /* Load the previous interrupt mask. */                                                                 \\r
 171                 "stb    r3, [r2] + 2                    \n"     /* Set the current interrupt mask to be the previous. */                                \\r
 172                 "ldd    r6, [r1] + 56                   \n"     /* Restore context. */                                                                                                  \\r
 173                 "mov    rtt, r6                                 \n"                                                                                                                                                     \\r
 174                 "mov    psr, r7                                 \n"                                                                                                                                                     \\r
 175                 "ldd    r2, [r1] + 0                    \n"                                                                                                                                                     \\r
 176                 "ldq    r4, [r1] +      8                       \n"                                                                                                                                                     \\r
 177                 "ldq    r8, [r1] +      24                      \n"                                                                                                                                                     \\r
 178                 "ldq    r12, [r1] +     40                      \n"                                                                                                                                                     \\r
 179                 "add    r1, #68                                 \n"                                                                                                                                                     \\r
 180                 "rti                                                    \n"                                                                                                                                                     \\r
 181          );\r
 182 \r
 183 /*---------------------------------------------------------------------------*/\r
 184 \r
 185 /* Task function macros as described on the FreeRTOS.org WEB site. */\r
 186 #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )\r
 187 #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )\r
 188 /*---------------------------------------------------------------------------*/\r
 189 \r
 190 #ifdef __cplusplus\r
 191 }\r
 192 #endif\r
 193 \r
 194 #endif /* PORTMACRO_H */\r