/* * FreeRTOS Kernel V10.0.0 * Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved. * * 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. If you wish to use our Amazon * FreeRTOS name, please do so in a fair use way that does not cause confusion. * * 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. * * http://www.FreeRTOS.org * http://aws.amazon.com/freertos * */ /* * Copyright (c) 2015-2019 Cadence Design Systems, Inc. * * 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. */ #ifndef PORTMACRO_H #define PORTMACRO_H #ifdef __cplusplus extern "C" { #endif #ifndef __ASSEMBLER__ #include #include #include #include #include /* required for XSHAL_CLIB */ #include /*#include "xtensa_context.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 int8_t #define portFLOAT float #define portDOUBLE double #define portLONG int32_t #define portSHORT int16_t #define portSTACK_TYPE uint32_t #define portBASE_TYPE int typedef portSTACK_TYPE StackType_t; typedef portBASE_TYPE BaseType_t; typedef unsigned portBASE_TYPE 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 #endif /*-----------------------------------------------------------*/ /* portbenchmark */ #include "portbenchmark.h" /* Critical section management. NW-TODO: replace XTOS_SET_INTLEVEL with more efficient version, if any? */ /* These cannot be nested. They should be used with a lot of care and cannot be called from interrupt level. */ #define portDISABLE_INTERRUPTS() do { XTOS_SET_INTLEVEL( XCHAL_EXCM_LEVEL ); portbenchmarkINTERRUPT_DISABLE(); } while( 0 ) #define portENABLE_INTERRUPTS() do { portbenchmarkINTERRUPT_RESTORE( 0 ); XTOS_SET_INTLEVEL( 0 ); } while( 0 ) /* These can be nested */ #define portCRITICAL_NESTING_IN_TCB 1/* For now, let FreeRTOS' (tasks.c) manage critical nesting */ void vTaskEnterCritical( void ); void vTaskExitCritical( void ); #define portENTER_CRITICAL() vTaskEnterCritical() #define portEXIT_CRITICAL() vTaskExitCritical() /* Cleaner and preferred solution allows nested interrupts disabling and restoring via local registers or stack. */ /* They can be called from interrupts too. */ static inline unsigned portENTER_CRITICAL_NESTED() { unsigned state = XTOS_SET_INTLEVEL( XCHAL_EXCM_LEVEL ); portbenchmarkINTERRUPT_DISABLE(); return state; } #define portEXIT_CRITICAL_NESTED( state ) do { portbenchmarkINTERRUPT_RESTORE( state ); XTOS_RESTORE_JUST_INTLEVEL( state ); } while( 0 ) /* These FreeRTOS versions are similar to the nested versions above */ #define portSET_INTERRUPT_MASK_FROM_ISR() portENTER_CRITICAL_NESTED() #define portCLEAR_INTERRUPT_MASK_FROM_ISR( state ) portEXIT_CRITICAL_NESTED( state ) /*-----------------------------------------------------------*/ /* Architecture specifics. */ #define portSTACK_GROWTH ( -1 ) #define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ ) #define portBYTE_ALIGNMENT 4 #define portNOP() XT_NOP() /*-----------------------------------------------------------*/ /* Fine resolution time */ #define portGET_RUN_TIME_COUNTER_VALUE() xthal_get_ccount() /* Kernel utilities. */ void vPortYield( void ); void _frxt_setup_switch( void ); #define portYIELD() vPortYield() #define portYIELD_FROM_ISR( xHigherPriorityTaskWoken ) \ if( ( xHigherPriorityTaskWoken ) != 0 ) { \ _frxt_setup_switch(); \ } /*-----------------------------------------------------------*/ /* 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 ) /* When coprocessors are defined, we to maintain a pointer to coprocessors area. */ /* We currently use a hack: redefine field xMPU_SETTINGS in TCB block as a structure that can hold: */ /* MPU wrappers, coprocessor area pointer, trace code structure, and more if needed. */ /* The field is normally used for memory protection. FreeRTOS should create another general purpose field. */ typedef struct { #if XCHAL_CP_NUM > 0 volatile StackType_t * coproc_area; /* Pointer to coprocessor save area; MUST BE FIRST */ #endif #if portUSING_MPU_WRAPPERS /* Define here mpu_settings, which is port dependent */ int mpu_setting; /* Just a dummy example here; MPU not ported to Xtensa yet */ #endif #if configUSE_TRACE_FACILITY_2 struct { /* Cf. porttraceStamp() */ int taskstamp; /* Stamp from inside task to see where we are */ int taskstampcount; /* A counter usually incremented when we restart the task's loop */ } porttrace; #endif } xMPU_SETTINGS; /* Main hack to use MPU_wrappers even when no MPU is defined (warning: mpu_setting should not be accessed; otherwise move this above xMPU_SETTINGS) */ #if ( XCHAL_CP_NUM > 0 || configUSE_TRACE_FACILITY_2 ) && !portUSING_MPU_WRAPPERS /* If MPU wrappers not used, we still need to allocate coproc area */ #undef portUSING_MPU_WRAPPERS #define portUSING_MPU_WRAPPERS 1 /* Enable it to allocate coproc area */ #define MPU_WRAPPERS_H /* Override mpu_wrapper.h to disable unwanted code */ #define PRIVILEGED_FUNCTION #define PRIVILEGED_DATA #endif /* porttrace */ #if configUSE_TRACE_FACILITY_2 #include "porttrace.h" #endif /* configASSERT_2 if requested */ #if configASSERT_2 #include void exit( int ); #define configASSERT( x ) if( !( x ) ) { porttracePrint( -1 ); printf( "\nAssertion failed in %s:%d\n", __FILE__, __LINE__ ); exit( -1 ); } #endif /* C library support -- only XCLIB and NEWLIB are supported. */ /* To enable thread-safe C library support, XT_USE_THREAD_SAFE_CLIB must be * defined to be > 0 somewhere above or on the command line. */ #if ( XT_USE_THREAD_SAFE_CLIB > 0u ) && ( XSHAL_CLIB == XTHAL_CLIB_XCLIB ) extern void vPortClibInit( void ); /* No cleanup necessary at this time. */ #define portCLEAN_UP_TCB( pxTCB ) #endif // XCLIB support #if ( XT_USE_THREAD_SAFE_CLIB > 0u ) && ( XSHAL_CLIB == XTHAL_CLIB_NEWLIB ) extern void vPortClibInit( void ); /* This C library cleanup is not currently done by FreeRTOS when deleting a task */ #include #define portCLEAN_UP_TCB( pxTCB ) vPortCleanUpTcbClib( &( ( pxTCB )->xNewLib_reent ) ) static inline void vPortCleanUpTcbClib( struct _reent * ptr ) { FILE * fp = &( ptr->__sf[ 0 ] ); int i; for( i = 0; i < 3; ++i, ++fp ) { fp->_close = NULL; } } #endif // NEWLIB support #endif // __ASSEMBLER__ #ifdef __cplusplus } #endif #endif /* PORTMACRO_H */