/* | |
* 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. | |
*----------------------------------------------------------- | |
*/ | |
/* When the FIT configurator or the Smart Configurator is used, platform.h has to be | |
* used. */ | |
#ifndef configINCLUDE_PLATFORM_H_INSTEAD_OF_IODEFINE_H | |
#define configINCLUDE_PLATFORM_H_INSTEAD_OF_IODEFINE_H 0 | |
#endif | |
/* 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 /* Could make four, according to manual. */ | |
#define portSTACK_GROWTH -1 | |
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ ) | |
#define portNOP() __asm volatile( "NOP" ) | |
/* Yield equivalent to "*portITU_SWINTR = 0x01; ( void ) *portITU_SWINTR;" | |
where portITU_SWINTR is the location of the software interrupt register | |
(0x000872E0). Don't rely on the assembler to select a register, so instead | |
save and restore clobbered registers manually. */ | |
#define portYIELD() \ | |
__asm volatile \ | |
( \ | |
"PUSH.L R10 \n" \ | |
"MOV.L #0x872E0, R10 \n" \ | |
"MOV.B #0x1, [R10] \n" \ | |
"MOV.L [R10], R10 \n" \ | |
"POP R10 \n" \ | |
) | |
#define portYIELD_FROM_ISR( x ) do { if( x != pdFALSE ) portYIELD(); } while( 0 ) | |
/* These macros should not be called directly, but through the | |
taskENTER_CRITICAL() and taskEXIT_CRITICAL() macros. An extra check is | |
performed if configASSERT() is defined to ensure an assertion handler does not | |
inadvertently attempt to lower the IPL when the call to assert was triggered | |
because the IPL value was found to be above configMAX_SYSCALL_INTERRUPT_PRIORITY | |
when an ISR safe FreeRTOS API function was executed. ISR safe FreeRTOS API | |
functions are those that end in FromISR. FreeRTOS maintains a separate | |
interrupt API to ensure API function and interrupt entry is as fast and as | |
simple as possible. */ | |
#define portENABLE_INTERRUPTS() __asm volatile ( "MVTIPL #0" ) | |
#ifdef configASSERT | |
#define portASSERT_IF_INTERRUPT_PRIORITY_INVALID() configASSERT( ( ulPortGetIPL() <= configMAX_SYSCALL_INTERRUPT_PRIORITY ) ) | |
#define portDISABLE_INTERRUPTS() if( ulPortGetIPL() < configMAX_SYSCALL_INTERRUPT_PRIORITY ) __asm volatile ( "MVTIPL %0" ::"i"(configMAX_SYSCALL_INTERRUPT_PRIORITY) ) | |
#else | |
#define portDISABLE_INTERRUPTS() __asm volatile ( "MVTIPL %0" ::"i"(configMAX_SYSCALL_INTERRUPT_PRIORITY) ) | |
#endif | |
/* 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() | |
/* As this port allows interrupt nesting... */ | |
uint32_t ulPortGetIPL( void ) __attribute__((naked)); | |
void vPortSetIPL( uint32_t ulNewIPL ) __attribute__((naked)); | |
#define portSET_INTERRUPT_MASK_FROM_ISR() ulPortGetIPL(); portDISABLE_INTERRUPTS() | |
#define portCLEAR_INTERRUPT_MASK_FROM_ISR( uxSavedInterruptStatus ) vPortSetIPL( uxSavedInterruptStatus ) | |
/*-----------------------------------------------------------*/ | |
/* 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 */ | |