| /* |
| * 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__ |
| |
| /*----------------------------------------------------------- |
| * 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. */ |
| #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) 0xFFFFFFFFF |
| |
| /* 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 portSTACK_GROWTH (-1) |
| #define portTICK_PERIOD_MS ((TickType_t) 1000 / configTICK_RATE_HZ) |
| #define portBYTE_ALIGNMENT 8 |
| |
| /* Critical section handling. */ |
| extern void vPortEnterCritical(void); |
| extern void vPortExitCritical(void); |
| #define portENTER_CRITICAL() vPortEnterCritical() |
| #define portEXIT_CRITICAL() vPortExitCritical() |
| #define portDISABLE_INTERRUPTS() asm( " CPSID I" ) |
| #define portENABLE_INTERRUPTS() asm( " CPSIE I" ) |
| |
| /* Scheduler utilities. */ |
| #pragma SWI_ALIAS( vPortYield, 0 ) |
| extern void vPortYield( void ); |
| #define portYIELD() vPortYield() |
| #define portSYS_SSIR1_REG ( * ( ( volatile uint32_t * ) 0xFFFFFFB0 ) ) |
| #define portSYS_SSIR1_SSKEY ( 0x7500UL ) |
| #define portYIELD_WITHIN_API() { portSYS_SSIR1_REG = portSYS_SSIR1_SSKEY; asm( " DSB " ); asm( " ISB " ); } |
| #define portYIELD_FROM_ISR( x ) do { if( x != pdFALSE ) { portSYS_SSIR1_REG = portSYS_SSIR1_SSKEY; ( void ) portSYS_SSIR1_REG; } } while( 0 ) |
| |
| #ifndef configUSE_PORT_OPTIMISED_TASK_SELECTION |
| #define configUSE_PORT_OPTIMISED_TASK_SELECTION 1 |
| #endif |
| |
| /* Architecture specific optimisations. */ |
| #if configUSE_PORT_OPTIMISED_TASK_SELECTION == 1 |
| |
| /* Check the configuration. */ |
| #if( configMAX_PRIORITIES > 32 ) |
| #error configUSE_PORT_OPTIMISED_TASK_SELECTION can only be set to 1 when configMAX_PRIORITIES is less than or equal to 32. It is very rare that a system requires more than 10 to 15 difference priorities as tasks that share a priority will time slice. |
| #endif |
| |
| /* Store/clear the ready priorities in a bit map. */ |
| #define portRECORD_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) |= ( 1UL << ( uxPriority ) ) |
| #define portRESET_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) &= ~( 1UL << ( uxPriority ) ) |
| |
| /*-----------------------------------------------------------*/ |
| |
| #define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31 - __clz( ( uxReadyPriorities ) ) ) |
| |
| #endif /* configUSE_PORT_OPTIMISED_TASK_SELECTION */ |
| |
| |
| /* Task function macros as described on the FreeRTOS.org WEB site. */ |
| #define portTASK_FUNCTION(vFunction, pvParameters) void vFunction(void *pvParameters) |
| #define portTASK_FUNCTION_PROTO(vFunction, pvParameters) void vFunction(void *pvParameters) |
| |
| #endif /* __PORTMACRO_H__ */ |