/* * FreeRTOS Kernel V10.5.1 * 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 /* Hardware specifics. */ #include /*----------------------------------------------------------- * 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 /* If configUSE_TASK_DPFPU_SUPPORT is set to 1 (or undefined) then each task will * be created without a DPFPU context, and a task must call vTaskUsesDPFPU() before * making use of any DPFPU registers. If configUSE_TASK_DPFPU_SUPPORT is set to 2 then * tasks are created with a DPFPU context by default, and calling vTaskUsesDPFPU() has * no effect. If configUSE_TASK_DPFPU_SUPPORT is set to 0 then tasks never take care * of any DPFPU context (even if DPFPU registers are used). */ #ifndef configUSE_TASK_DPFPU_SUPPORT #define configUSE_TASK_DPFPU_SUPPORT 1 #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() 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. */ #pragma inline_asm vPortYield static void vPortYield( void ) { #ifndef __CDT_PARSER__ /* Save clobbered register - may not actually be necessary if inline asm * functions are considered to use the same rules as function calls by the * compiler. */ PUSH.L R5 /* Set ITU SWINTR. */ MOV.L # 000872E0H, R5 MOV.B # 1, [ R5 ] /* Read back to ensure the value is taken before proceeding. */ CMP [ R5 ].UB, R5 /* Restore clobbered register to its previous value. */ POP R5 #endif } #define portYIELD() vPortYield() #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() set_ipl( ( long ) 0 ) #ifdef configASSERT #define portASSERT_IF_INTERRUPT_PRIORITY_INVALID() configASSERT( ( get_ipl() <= configMAX_SYSCALL_INTERRUPT_PRIORITY ) ) #define portDISABLE_INTERRUPTS() if( get_ipl() < configMAX_SYSCALL_INTERRUPT_PRIORITY ) set_ipl( ( long ) configMAX_SYSCALL_INTERRUPT_PRIORITY ) #else #define portDISABLE_INTERRUPTS() set_ipl( ( long ) 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... */ #define portSET_INTERRUPT_MASK_FROM_ISR() ( UBaseType_t ) get_ipl(); set_ipl( ( long ) configMAX_SYSCALL_INTERRUPT_PRIORITY ) #define portCLEAR_INTERRUPT_MASK_FROM_ISR( uxSavedInterruptStatus ) set_ipl( ( long ) 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 ) /*-----------------------------------------------------------*/ /* If configUSE_TASK_DPFPU_SUPPORT is set to 1 (or left undefined) then tasks are * created without a DPFPU context and must call vPortTaskUsesDPFPU() to give * themselves a DPFPU context before using any DPFPU instructions. If * configUSE_TASK_DPFPU_SUPPORT is set to 2 then all tasks will have a DPFPU context * by default. */ #if( configUSE_TASK_DPFPU_SUPPORT == 1 ) void vPortTaskUsesDPFPU( void ); #else /* Each task has a DPFPU context already, so define this function away to * nothing to prevent it being called accidentally. */ #define vPortTaskUsesDPFPU() #endif #define portTASK_USES_DPFPU() vPortTaskUsesDPFPU() /* Definition to allow compatibility with existing FreeRTOS Demo using flop.c. */ #define portTASK_USES_FLOATING_POINT() vPortTaskUsesDPFPU() #ifdef __cplusplus } #endif #endif /* PORTMACRO_H */