blob: e2b41f2640b0cb527b64de975dd31e1ba2d60529 [file] [log] [blame]
/*
* FreeRTOS Kernel <DEVELOPMENT BRANCH>
* Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* https://www.FreeRTOS.org
* https://github.com/FreeRTOS
*
*/
#ifndef PORTMACRO_H
#define PORTMACRO_H
#ifdef __cplusplus
extern "C"
{
#endif
/*-----------------------------------------------------------
* Port specific definitions.
*
* The settings in this file configure FreeRTOS correctly for the
* given hardware and compiler.
*
* These settings should not be altered.
*-----------------------------------------------------------
*/
/* Type definitions - These are a bit legacy and not really used now, other
* than portSTACK_TYPE and portBASE_TYPE. */
#define portCHAR char
#define portFLOAT float
#define portDOUBLE double
#define portLONG long
#define portSHORT short
#define portSTACK_TYPE uint32_t
#define portBASE_TYPE long
typedef portSTACK_TYPE StackType_t;
typedef long BaseType_t;
typedef unsigned long UBaseType_t;
/* Defines the maximum time when using a wait command in a task */
#if ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_16_BITS )
typedef uint16_t TickType_t;
#define portMAX_DELAY ( TickType_t ) 0xffff
#elif ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_32_BITS )
typedef uint32_t TickType_t;
#define portMAX_DELAY ( TickType_t ) 0xffffffffUL
/* 32-bit tick type on a 32-bit architecture, so reads of the tick count do
* not need to be guarded with a critical section. */
#define portTICK_TYPE_IS_ATOMIC 1
#else
#error configTICK_TYPE_WIDTH_IN_BITS set to unsupported tick type width.
#endif
/*-----------------------------------------------------------*/
/* Architecture specifics */
#define portSTSR( reg ) __stsr( ( reg ) )
#define portLDSR( reg, val ) __ldsr( ( reg ), ( val ) )
#define portSTSR_CCRH( reg, sel ) __stsr_rh( ( reg ), ( sel ) )
#define portSYNCM() __syncm()
/* Determine the descending of the stack from high address to address */
#define portSTACK_GROWTH ( -1 )
/* Determine the time (in milliseconds) corresponding to each tick */
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
/* It is a multiple of 4 (the two lower-order bits of the address = 0),
* otherwise it will cause MAE (Misaligned Exception) according to the manual */
#define portBYTE_ALIGNMENT ( 4 )
/* Interrupt control macros. */
#define portENABLE_INTERRUPTS() __EI() /* Macro to enable all maskable interrupts. */
#define portDISABLE_INTERRUPTS() __DI() /* Macro to disable all maskable interrupts. */
#define taskENABLE_INTERRUPTS() portENABLE_INTERRUPTS()
#define taskDISABLE_INTERRUPTS() portDISABLE_INTERRUPTS()
/* SMP build which means configNUM_CORES is relevant */
#define portSUPPORT_SMP 1
#define portMAX_CORE_COUNT 2
#ifndef configNUMBER_OF_CORES
#define configNUMBER_OF_CORES 1
#endif
/*-----------------------------------------------------------*/
/* Scheduler utilities */
/* Called at the end of an ISR that can cause a context switch */
extern void vPortSetSwitch( BaseType_t vPortSetSwitch );
#define portEND_SWITCHING_ISR( xSwitchRequired ) vPortSetSwitch( vPortSetSwitch )
#define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x )
/* Use to transfer control from one task to perform other tasks of
* higher priority */
extern void vPortYield( void );
#define portYIELD() vPortYield()
#if ( configNUMBER_OF_CORES > 1 )
/* Return the core ID on which the code is running. */
extern BaseType_t xPortGET_CORE_ID();
#define portGET_CORE_ID() xPortGET_CORE_ID()
#define coreid xPortGET_CORE_ID()
/* Request the core ID x to yield. */
extern void vPortYieldCore( unsigned int coreID );
#define portYIELD_CORE( x ) vPortYieldCore( x )
#define portENTER_CRITICAL_FROM_ISR() vTaskEnterCriticalFromISR()
#define portEXIT_CRITICAL_FROM_ISR( x ) vTaskExitCriticalFromISR( x )
#endif /* if ( configNUMBER_OF_CORES > 1 ) */
#if ( configNUMBER_OF_CORES == 1 )
#define portGET_ISR_LOCK()
#define portRELEASE_ISR_LOCK()
#define portGET_TASK_LOCK()
#define portRELEASE_TASK_LOCK()
#else
extern void vPortRecursiveLockAcquire( BaseType_t xFromIsr );
extern void vPortRecursiveLockRelease( BaseType_t xFromIsr );
#define portGET_ISR_LOCK() vPortRecursiveLockAcquire( pdTRUE )
#define portRELEASE_ISR_LOCK() vPortRecursiveLockRelease( pdTRUE )
#define portGET_TASK_LOCK() vPortRecursiveLockAcquire( pdFALSE )
#define portRELEASE_TASK_LOCK() vPortRecursiveLockRelease( pdFALSE )
#endif /* if ( configNUMBER_OF_CORES == 1 ) */
/*-----------------------------------------------------------*/
/* Critical section management. */
/* The critical nesting functions defined within tasks.c */
extern void vTaskEnterCritical( void );
extern void vTaskExitCritical( void );
/* Macro to mark the start of a critical code region */
#define portENTER_CRITICAL() vTaskEnterCritical()
/* Macro to mark the end of a critical code region */
#define portEXIT_CRITICAL() vTaskExitCritical()
/*-----------------------------------------------------------*/
/* Macros to set and clear the interrupt mask. */
portLONG xPortSetInterruptMask();
void vPortClearInterruptMask( portLONG );
#define portSET_INTERRUPT_MASK() xPortSetInterruptMask()
#define portCLEAR_INTERRUPT_MASK( x ) vPortClearInterruptMask( ( x ) )
#define portSET_INTERRUPT_MASK_FROM_ISR() xPortSetInterruptMask()
#define portCLEAR_INTERRUPT_MASK_FROM_ISR( x ) vPortClearInterruptMask( ( x ) )
/*-----------------------------------------------------------*/
/* Task function macros as described on the FreeRTOS.org WEB site. */
#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters )
#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters )
/*-----------------------------------------------------------*/
#ifdef __cplusplus
}
#endif
#endif /* PORTMACRO_H */