mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
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143 lines
5.6 KiB
C
143 lines
5.6 KiB
C
/*
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* FreeRTOS Kernel <DEVELOPMENT BRANCH>
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* license and copyright intentionally withheld to promote copying into user code.
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*/
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#ifndef PORTMACRO_H
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#define PORTMACRO_H
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/*-----------------------------------------------------------
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* Port specific definitions.
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*
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* The settings in this file configure FreeRTOS correctly for the
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* given hardware and compiler.
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*
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* These settings should not be altered.
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*-----------------------------------------------------------
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*/
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/* Type definitions. */
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#define portCHAR char
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#define portFLOAT float
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#define portDOUBLE double
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#define portLONG long
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#define portSHORT int
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#define portSTACK_TYPE uint8_t
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#define portBASE_TYPE char
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#define portSTACK_GROWTH ( -1 )
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#define portBYTE_ALIGNMENT 4
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#define portPOINTER_SIZE_TYPE size_t
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typedef portSTACK_TYPE StackType_t;
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typedef signed char BaseType_t;
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typedef unsigned char UBaseType_t;
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#if ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_16_BITS )
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typedef uint16_t TickType_t;
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#define portMAX_DELAY ( TickType_t ) 0xffffU
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#elif ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_32_BITS )
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typedef uint32_t TickType_t;
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#define portMAX_DELAY ( TickType_t ) 0xffffffffU
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#elif ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_64_BITS )
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typedef uint64_t TickType_t;
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#define portMAX_DELAY ( TickType_t ) 0xffffffffffffffffU
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#else
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#error configTICK_TYPE_WIDTH_IN_BITS set to unsupported tick type width.
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#endif
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/* Architecture specific optimisations. */
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#ifndef configUSE_PORT_OPTIMISED_TASK_SELECTION
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#define configUSE_PORT_OPTIMISED_TASK_SELECTION 1
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#endif
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#if configUSE_PORT_OPTIMISED_TASK_SELECTION == 1
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/* Check the configuration. */
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#if ( configMAX_PRIORITIES > 32 )
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#error configUSE_PORT_OPTIMISED_TASK_SELECTION can only be set to 1 when configMAX_PRIORITIES is less than or equal to 32. It is very rare that a system requires more than 10 to 15 difference priorities as tasks that share a priority will time slice.
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#endif
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/* Store/clear the ready priorities in a bit map. */
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#define portRECORD_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) |= ( 1UL << ( uxPriority ) )
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#define portRESET_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) &= ~( 1UL << ( uxPriority ) )
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/*-----------------------------------------------------------*/
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#define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) \
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do { \
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uxTopPriority = 0; \
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} while( 0 )
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#endif /* configUSE_PORT_OPTIMISED_TASK_SELECTION */
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/* Disable the interrupts */
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#define portDISABLE_INTERRUPTS() do {} while( 0 )
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/* Enable the interrupts */
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#define portENABLE_INTERRUPTS() do {} while( 0 )
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#if ( configNUMBER_OF_CORES == 1 )
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/* preserve current interrupt state and then disable interrupts */
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#define portENTER_CRITICAL() do {} while( 0 )
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/* restore previously preserved interrupt state */
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#define portEXIT_CRITICAL() do {} while( 0 )
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#else
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/* The port can maintain the critical nesting count in TCB or maintain the critical
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* nesting count in the port. */
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#define portCRITICAL_NESTING_IN_TCB 1
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/* vTaskEnterCritical and vTaskExitCritical should be used in the implementation
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* of portENTER/EXIT_CRITICAL if the number of cores is more than 1 in the system. */
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#define portENTER_CRITICAL vTaskEnterCritical
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#define portEXIT_CRITICAL vTaskExitCritical
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/* vTaskEnterCriticalFromISR and vTaskExitCriticalFromISR should be used in the
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* implementation of portENTER/EXIT_CRITICAL_FROM_ISR if the number of cores is
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* more than 1 in the system. */
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#define portENTER_CRITICAL_FROM_ISR vTaskEnterCriticalFromISR
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#define portEXIT_CRITICAL_FROM_ISR vTaskExitCriticalFromISR
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#endif /* if ( configNUMBER_OF_CORES == 1 ) */
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extern void vPortYield( void );
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#define portYIELD() vPortYield()
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/* Task function macros as described on the FreeRTOS.org WEB site. */
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#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters ) __attribute__( ( noreturn ) )
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#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters )
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#if ( configNUMBER_OF_CORES > 1 )
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/* Return the core ID on which the code is running. */
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#define portGET_CORE_ID() 0
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/* Set the interrupt mask. */
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#define portSET_INTERRUPT_MASK() 0
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/* Clear the interrupt mask. */
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#define portCLEAR_INTERRUPT_MASK( x ) ( ( void ) ( x ) )
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/* Request the core ID x to yield. */
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#define portYIELD_CORE( x ) do {} while( 0 )
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/* Acquire the TASK lock. TASK lock is a recursive lock.
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* It should be able to be locked by the same core multiple times. */
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#define portGET_TASK_LOCK( xCoreID ) do {} while( 0 )
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/* Release the TASK lock. If a TASK lock is locked by the same core multiple times,
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* it should be released as many times as it is locked. */
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#define portRELEASE_TASK_LOCK( xCoreID ) do {} while( 0 )
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/* Acquire the ISR lock. ISR lock is a recursive lock.
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* It should be able to be locked by the same core multiple times. */
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#define portGET_ISR_LOCK( xCoreID ) do {} while( 0 )
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/* Release the ISR lock. If a ISR lock is locked by the same core multiple times, \
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* it should be released as many times as it is locked. */
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#define portRELEASE_ISR_LOCK( xCoreID ) do {} while( 0 )
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#endif /* if ( configNUMBER_OF_CORES > 1 ) */
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#endif /* PORTMACRO_H */
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