/*
* 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
# ifdef WIN32_LEAN_AND_MEAN
# include <winsock2.h>
# else
# include <winsock.h>
# endif
# include <windows.h>
# include <timeapi.h>
# include <mmsystem.h>
# include <winbase.h>
# ifdef __cplusplus
extern " C " {
# endif
/******************************************************************************
* Defines
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* Type definitions. */
# define portCHAR char
# define portFLOAT float
# define portDOUBLE double
# define portLONG long
# define portSHORT short
# define portSTACK_TYPE size_t
# define portPOINTER_SIZE_TYPE size_t
typedef portSTACK_TYPE StackType_t ;
# if defined( __x86_64__ ) || defined( _M_X64 )
# define portBASE_TYPE long long
typedef long long BaseType_t ;
typedef unsigned long long UBaseType_t ;
# else
# define portBASE_TYPE long
typedef long BaseType_t ;
typedef unsigned long UBaseType_t ;
# endif
# 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 32/64-bit architecture, so reads of the tick
* count do not need to be guarded with a critical section . */
# define portTICK_TYPE_IS_ATOMIC 1
# elif ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_64_BITS )
typedef uint64_t TickType_t ;
# define portMAX_DELAY ( TickType_t ) 0xffffffffffffffffULL
# if defined( __x86_64__ ) || defined( _M_X64 )
/* 64-bit tick type on a 64-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
# else
# error configTICK_TYPE_WIDTH_IN_BITS set to unsupported tick type width.
# endif
/* Hardware specifics. */
# define portSTACK_GROWTH ( -1 )
# define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
# define portINLINE __inline
# if defined( __x86_64__ ) || defined( _M_X64 )
# define portBYTE_ALIGNMENT 8
# else
# define portBYTE_ALIGNMENT 4
# endif
# define portYIELD() vPortGenerateSimulatedInterrupt( portINTERRUPT_YIELD )
extern volatile BaseType_t xInsideInterrupt ;
# define portSOFTWARE_BARRIER() while( xInsideInterrupt != pdFALSE )
/* Simulated interrupts return pdFALSE if no context switch should be performed,
* or a non - zero number if a context switch should be performed . */
# define portYIELD_FROM_ISR( x ) ( void ) x
# define portEND_SWITCHING_ISR( x ) portYIELD_FROM_ISR( ( x ) )
void vPortCloseRunningThread ( void * pvTaskToDelete ,
volatile BaseType_t * pxPendYield ) ;
void vPortDeleteThread ( void * pvThreadToDelete ) ;
# define portCLEAN_UP_TCB( pxTCB ) vPortDeleteThread( pxTCB )
# define portPRE_TASK_DELETE_HOOK( pvTaskToDelete, pxPendYield ) vPortCloseRunningThread( ( pvTaskToDelete ), ( pxPendYield ) )
# define portDISABLE_INTERRUPTS() vPortEnterCritical()
# define portENABLE_INTERRUPTS() vPortExitCritical()
/* Critical section handling. */
void vPortEnterCritical ( void ) ;
void vPortExitCritical ( void ) ;
# define portENTER_CRITICAL() vPortEnterCritical()
# define portEXIT_CRITICAL() vPortExitCritical()
# ifndef configUSE_PORT_OPTIMISED_TASK_SELECTION
# define configUSE_PORT_OPTIMISED_TASK_SELECTION 1
# endif
/*-----------------------------------------------------------*/
# 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 ) |= ( ( ( UBaseType_t ) 1 ) << ( uxPriority ) )
# define portRESET_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) &= ~( ( ( UBaseType_t ) 1 ) << ( uxPriority ) )
# ifdef __GNUC__
# define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) \
__asm volatile ( " bsr %1, %0 \n \t " \
: " =r " ( uxTopPriority ) \
: " rm " ( uxReadyPriorities ) \
: " cc " )
# else /* __GNUC__ */
/* BitScanReverse returns the bit position of the most significant '1'
* in the word . */
# if defined( __x86_64__ ) || defined( _M_X64 )
# define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) \
do \
{ \
DWORD ulTopPriority ; \
_BitScanReverse64 ( & ulTopPriority , ( uxReadyPriorities ) ) ; \
uxTopPriority = ulTopPriority ; \
} while ( 0 )
# else /* #if defined( __x86_64__ ) || defined( _M_X64 ) */
# define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) _BitScanReverse( ( DWORD * ) &( uxTopPriority ), ( uxReadyPriorities ) )
# endif /* #if defined( __x86_64__ ) || defined( _M_X64 ) */
# endif /* __GNUC__ */
# endif /* configUSE_PORT_OPTIMISED_TASK_SELECTION */
# ifndef __GNUC__
__pragma ( warning ( disable : 4211 ) ) /* Nonstandard extension used, as extern is only nonstandard to MSVC. */
# endif
/* 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 )
# define portINTERRUPT_YIELD ( 0UL )
# define portINTERRUPT_TICK ( 1UL )
# define portINTERRUPT_APPLICATION_DEFINED_START ( 2UL )
/*
* Raise a simulated interrupt represented by the bit mask in ulInterruptMask .
* Each bit can be used to represent an individual interrupt - with the first
* two bits being used for the Yield and Tick interrupts respectively .
*/
void vPortGenerateSimulatedInterrupt ( uint32_t ulInterruptNumber ) ;
/*
* Raise a simulated interrupt represented by the bit mask in ulInterruptMask .
* Each bit can be used to represent an individual interrupt - with the first
* two bits being used for the Yield and Tick interrupts respectively . This function
* can be called in a windows thread .
*/
void vPortGenerateSimulatedInterruptFromWindowsThread ( uint32_t ulInterruptNumber ) ;
/*
* Install an interrupt handler to be called by the simulated interrupt handler
* thread . The interrupt number must be above any used by the kernel itself
* ( at the time of writing the kernel was using interrupt numbers 0 , 1 , and 2
* as defined above ) . The number must also be lower than 32.
*
* Interrupt handler functions must return a non - zero value if executing the
* handler resulted in a task switch being required .
*/
void vPortSetInterruptHandler ( uint32_t ulInterruptNumber ,
uint32_t ( * pvHandler ) ( void ) ) ;
# ifdef __cplusplus
}
# endif
# endif /* ifndef PORTMACRO_H */
