portmacro.h 5.1 KB

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  1. /*
  2. * FreeRTOS Kernel <DEVELOPMENT BRANCH>
  3. * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  4. *
  5. * SPDX-License-Identifier: MIT
  6. *
  7. * Permission is hereby granted, free of charge, to any person obtaining a copy of
  8. * this software and associated documentation files (the "Software"), to deal in
  9. * the Software without restriction, including without limitation the rights to
  10. * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
  11. * the Software, and to permit persons to whom the Software is furnished to do so,
  12. * subject to the following conditions:
  13. *
  14. * The above copyright notice and this permission notice shall be included in all
  15. * copies or substantial portions of the Software.
  16. *
  17. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18. * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
  19. * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
  20. * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
  21. * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22. * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23. *
  24. * https://www.FreeRTOS.org
  25. * https://github.com/FreeRTOS
  26. *
  27. */
  28. #ifndef PORTMACRO_H
  29. #define PORTMACRO_H
  30. /* *INDENT-OFF* */
  31. #ifdef __cplusplus
  32. extern "C" {
  33. #endif
  34. /* *INDENT-ON* */
  35. /*-----------------------------------------------------------
  36. * Port specific definitions.
  37. *
  38. * The settings in this file configure FreeRTOS correctly for the
  39. * given hardware and compiler.
  40. *
  41. * These settings should not be altered.
  42. *-----------------------------------------------------------
  43. */
  44. /* Type definitions. */
  45. #define portCHAR char
  46. #define portFLOAT float
  47. #define portDOUBLE double
  48. #define portLONG long
  49. #define portSHORT short
  50. #define portSTACK_TYPE uint32_t
  51. #define portBASE_TYPE long
  52. typedef portSTACK_TYPE StackType_t;
  53. typedef long BaseType_t;
  54. typedef unsigned long UBaseType_t;
  55. #if ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_16_BITS )
  56. typedef uint16_t TickType_t;
  57. #define portMAX_DELAY ( TickType_t ) 0xffff
  58. #elif ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_32_BITS )
  59. typedef uint32_t TickType_t;
  60. #define portMAX_DELAY ( TickType_t ) 0xffffffffUL
  61. /* 32-bit tick type on a 32-bit architecture, so reads of the tick count do
  62. * not need to be guarded with a critical section. */
  63. #define portTICK_TYPE_IS_ATOMIC 1
  64. #else
  65. #error configTICK_TYPE_WIDTH_IN_BITS set to unsupported tick type width.
  66. #endif
  67. /*-----------------------------------------------------------*/
  68. /* Interrupt control macros. */
  69. void microblaze_disable_interrupts( void );
  70. void microblaze_enable_interrupts( void );
  71. #define portDISABLE_INTERRUPTS() microblaze_disable_interrupts()
  72. #define portENABLE_INTERRUPTS() microblaze_enable_interrupts()
  73. /*-----------------------------------------------------------*/
  74. /* Critical section macros. */
  75. void vPortEnterCritical( void );
  76. void vPortExitCritical( void );
  77. #define portENTER_CRITICAL() \
  78. { \
  79. extern UBaseType_t uxCriticalNesting; \
  80. microblaze_disable_interrupts(); \
  81. uxCriticalNesting++; \
  82. }
  83. #define portEXIT_CRITICAL() \
  84. { \
  85. extern UBaseType_t uxCriticalNesting; \
  86. /* Interrupts are disabled, so we can */ \
  87. /* access the variable directly. */ \
  88. uxCriticalNesting--; \
  89. if( uxCriticalNesting == 0 ) \
  90. { \
  91. /* The nesting has unwound and we \
  92. * can enable interrupts again. */ \
  93. portENABLE_INTERRUPTS(); \
  94. } \
  95. }
  96. /*-----------------------------------------------------------*/
  97. /* Task utilities. */
  98. void vPortYield( void );
  99. #define portYIELD() vPortYield()
  100. void vTaskSwitchContext();
  101. #define portYIELD_FROM_ISR() vTaskSwitchContext()
  102. /*-----------------------------------------------------------*/
  103. /* Hardware specifics. */
  104. #define portBYTE_ALIGNMENT 4
  105. #define portSTACK_GROWTH ( -1 )
  106. #define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
  107. #define portNOP() asm volatile ( "NOP" )
  108. #define portMEMORY_BARRIER() asm volatile ( "" ::: "memory" )
  109. /*-----------------------------------------------------------*/
  110. /* Task function macros as described on the FreeRTOS.org WEB site. */
  111. #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters )
  112. #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters )
  113. /* *INDENT-OFF* */
  114. #ifdef __cplusplus
  115. }
  116. #endif
  117. /* *INDENT-ON* */
  118. #endif /* PORTMACRO_H */