| /* |
| * 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> |
| |
| /* *INDENT-OFF* */ |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| /* *INDENT-ON* */ |
| |
| /*----------------------------------------------------------- |
| * 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 ( 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 |
| #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 ) |
| |
| /* *INDENT-OFF* */ |
| #ifdef __cplusplus |
| } |
| #endif |
| /* *INDENT-ON* */ |
| |
| #endif /* PORTMACRO_H */ |