| /* |
| * 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 |
| |
| /* *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. */ |
| #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; |
| |
| 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 |
| |
| /*-----------------------------------------------------------*/ |
| |
| /* Hardware specifics. */ |
| #define portSTACK_GROWTH ( -1 ) |
| #define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ ) |
| #define portBYTE_ALIGNMENT 8 |
| |
| /*-----------------------------------------------------------*/ |
| |
| /* Task utilities. */ |
| |
| /* Called at the end of an ISR that can cause a context switch. */ |
| #define portEND_SWITCHING_ISR( xSwitchRequired ) \ |
| { \ |
| extern volatile uint32_t ulPortYieldRequired; \ |
| \ |
| if( xSwitchRequired != pdFALSE ) \ |
| { \ |
| ulPortYieldRequired = pdTRUE; \ |
| } \ |
| } |
| |
| #define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x ) |
| |
| void vPortYield( void ); |
| |
| #define portYIELD() vPortYield(); |
| |
| /*-----------------------------------------------------------*/ |
| |
| /* |
| * Critical section management. |
| */ |
| |
| extern void vPortEnterCritical( void ); |
| extern void vPortExitCritical( void ); |
| extern void vPortEnableInterrupts( void ); |
| extern void vPortDisableInterrupts( void ); |
| extern uint32_t ulPortSetInterruptMaskFromISR( void ); |
| |
| /* In the absence of a priority mask register, these functions and macros |
| * globally enable and disable interrupts. */ |
| #define portENTER_CRITICAL() vPortEnterCritical(); |
| #define portEXIT_CRITICAL() vPortExitCritical(); |
| #define portENABLE_INTERRUPTS() vPortEnableInterrupts(); |
| #define portDISABLE_INTERRUPTS() vPortDisableInterrupts(); |
| #define portSET_INTERRUPT_MASK_FROM_ISR() ulPortSetInterruptMaskFromISR(); |
| #define portCLEAR_INTERRUPT_MASK_FROM_ISR( x ) do { if( x == 0 ) portENABLE_INTERRUPTS(); } while( 0 ) |
| |
| /*-----------------------------------------------------------*/ |
| |
| /* Task function macros as described on the FreeRTOS.org WEB site. These are |
| * not required for this port but included in case common demo code that uses these |
| * macros is used. */ |
| #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters ) |
| #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters ) |
| |
| /* Tickless idle/low power functionality. */ |
| #ifndef portSUPPRESS_TICKS_AND_SLEEP |
| extern void vPortSuppressTicksAndSleep( TickType_t xExpectedIdleTime ); |
| #define portSUPPRESS_TICKS_AND_SLEEP( xExpectedIdleTime ) vPortSuppressTicksAndSleep( xExpectedIdleTime ) |
| #endif |
| |
| /* Prototype of the FreeRTOS tick handler. This must be installed as the |
| * handler for whichever peripheral is used to generate the RTOS tick. */ |
| void FreeRTOS_Tick_Handler( void ); |
| |
| /** |
| * @brief Returns the number of leading zeros in a 32 bit variable. |
| * |
| * @param[in] ulBitmap 32-Bit number to count leading zeros in. |
| * |
| * @return The number of leading zeros in ulBitmap. |
| */ |
| UBaseType_t ulPortCountLeadingZeros( UBaseType_t ulBitmap ); |
| |
| /* If configUSE_TASK_FPU_SUPPORT is set to 1 (or left undefined) then tasks are |
| * created without an FPU context and must call vPortTaskUsesFPU() to give |
| * themselves an FPU context before using any FPU instructions. If |
| * configUSE_TASK_FPU_SUPPORT is set to 2 then all tasks will have an FPU |
| * context by default. */ |
| #if ( configUSE_TASK_FPU_SUPPORT != 2 ) |
| void vPortTaskUsesFPU( void ); |
| #else |
| /* Each task has an FPU context already, so define this function as a |
| * no-op. */ |
| #define vPortTaskUsesFPU() |
| #endif |
| #define portTASK_USES_FLOATING_POINT() vPortTaskUsesFPU() |
| |
| #define portLOWEST_INTERRUPT_PRIORITY ( ( ( uint32_t ) configUNIQUE_INTERRUPT_PRIORITIES ) - 1UL ) |
| #define portLOWEST_USABLE_INTERRUPT_PRIORITY ( portLOWEST_INTERRUPT_PRIORITY - 1UL ) |
| |
| /* Architecture specific optimisations. */ |
| #ifndef configUSE_PORT_OPTIMISED_TASK_SELECTION |
| #define configUSE_PORT_OPTIMISED_TASK_SELECTION 1 |
| #endif |
| |
| #if configUSE_PORT_OPTIMISED_TASK_SELECTION == 1 |
| |
| /* Store, clear and get 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 = ( 31UL - ulPortCountLeadingZeros( ( uxTopReadyPriority ) ) ) |
| |
| #endif /* configUSE_PORT_OPTIMISED_TASK_SELECTION */ |
| |
| #define portNOP() __asm volatile ( "NOP" ) |
| #define portINLINE __inline |
| #define portMEMORY_BARRIER() __asm volatile ( "" ::: "memory" ) |
| |
| /* *INDENT-OFF* */ |
| #ifdef __cplusplus |
| } |
| #endif |
| /* *INDENT-ON* */ |
| |
| #endif /* PORTMACRO_H */ |