/* | |
* 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 | |
#include <machine.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; | |
#if( configUSE_16_BIT_TICKS == 1 ) | |
typedef uint16_t TickType_t; | |
#define portMAX_DELAY ( TickType_t ) 0xffff | |
#else | |
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 | |
#endif | |
/*-----------------------------------------------------------*/ | |
/* Hardware specifics. */ | |
#define portBYTE_ALIGNMENT 8 | |
#define portSTACK_GROWTH -1 | |
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ ) | |
#define portNOP() nop() | |
#define portSTART_SCHEDULER_TRAP_NO ( 32 ) | |
#define portYIELD_TRAP_NO ( 33 ) | |
#define portKERNEL_INTERRUPT_PRIORITY ( 1 ) | |
void vPortYield( void ); | |
#define portYIELD() vPortYield() | |
extern void vTaskSwitchContext( void ); | |
#define portYIELD_FROM_ISR( x ) do { if( x != pdFALSE ) vTaskSwitchContext(); } while( 0 ) | |
/* | |
* This function tells the kernel that the task referenced by xTask is going to | |
* use the floating point registers and therefore requires the floating point | |
* registers saved as part of its context. | |
*/ | |
BaseType_t xPortUsesFloatingPoint( void* xTask ); | |
/* | |
* The flop save and restore functions are defined in portasm.src and called by | |
* the trace "task switched in" and "trace task switched out" macros. | |
*/ | |
void vPortSaveFlopRegisters( void *pulBuffer ); | |
void vPortRestoreFlopRegisters( void *pulBuffer ); | |
/* | |
* pxTaskTag is used to point to the buffer into which the floating point | |
* context should be saved. If pxTaskTag is NULL then the task does not use | |
* a floating point context. | |
*/ | |
#define traceTASK_SWITCHED_OUT() do { if( pxCurrentTCB->pxTaskTag != NULL ) vPortSaveFlopRegisters( pxCurrentTCB->pxTaskTag ); } while( 0 ) | |
#define traceTASK_SWITCHED_IN() do { if( pxCurrentTCB->pxTaskTag != NULL ) vPortRestoreFlopRegisters( pxCurrentTCB->pxTaskTag ); } while( 0 ) | |
/* | |
* These macros should be called directly, but through the taskENTER_CRITICAL() | |
* and taskEXIT_CRITICAL() macros. | |
*/ | |
#define portENABLE_INTERRUPTS() set_imask( 0x00 ) | |
#define portDISABLE_INTERRUPTS() set_imask( portKERNEL_INTERRUPT_PRIORITY ) | |
/* Critical nesting counts are stored in the TCB. */ | |
#define portCRITICAL_NESTING_IN_TCB ( 1 ) | |
/* The critical nesting functions defined within tasks.c. */ | |
extern void vTaskEnterCritical( void ); | |
extern void vTaskExitCritical( void ); | |
#define portENTER_CRITICAL() vTaskEnterCritical(); | |
#define portEXIT_CRITICAL() vTaskExitCritical(); | |
/*-----------------------------------------------------------*/ | |
/* 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 */ | |