/*
* FreeRTOS Kernel V10 .3 .1
* Copyright ( C ) 2020 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 .
*
* 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
*
* 1 tab = = 4 spaces !
*/
# ifndef PORTMACRO_H
# define PORTMACRO_H
/* System include files */
# include <xc.h>
# ifdef __cplusplus
extern " C " {
# endif
/*-----------------------------------------------------------
* 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 ( 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
/* 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 )
/*-----------------------------------------------------------*/
/* Critical section management. */
# define portIPL_SHIFT ( 10UL )
/* Don't straddle the CEE bit. Interrupts calling FreeRTOS functions should
* never have higher IPL bits set anyway . */
# define portALL_IPL_BITS ( 0x7FUL << portIPL_SHIFT )
# define portSW0_BIT ( 0x01 << 8 )
/* This clears the IPL bits, then sets them to
* configMAX_SYSCALL_INTERRUPT_PRIORITY . An extra check is performed if
* configASSERT ( ) is defined to ensure an assertion handler does not inadvertently
* attempt to lower the IPL when the call to assert was triggered because the IPL
* value was found to be above configMAX_SYSCALL_INTERRUPT_PRIORITY when an ISR
* safe FreeRTOS API function was executed . ISR safe FreeRTOS API functions are
* those that end in FromISR . FreeRTOS maintains a separate interrupt API to
* ensure API function and interrupt entry is as fast and as simple as possible . */
# ifdef configASSERT
# define portDISABLE_INTERRUPTS() \
{ \
uint32_t ulStatus ; \
\
/* Mask interrupts at and below the kernel interrupt priority. */ \
ulStatus = _CP0_GET_STATUS ( ) ; \
\
/* Is the current IPL below configMAX_SYSCALL_INTERRUPT_PRIORITY? */ \
if ( ( ( ulStatus & portALL_IPL_BITS ) > > portIPL_SHIFT ) < configMAX_SYSCALL_INTERRUPT_PRIORITY ) \
{ \
ulStatus & = ~ portALL_IPL_BITS ; \
_CP0_SET_STATUS ( ( ulStatus | ( configMAX_SYSCALL_INTERRUPT_PRIORITY < < portIPL_SHIFT ) ) ) ; \
} \
}
# else /* configASSERT */
# define portDISABLE_INTERRUPTS() \
{ \
uint32_t ulStatus ; \
\
/* Mask interrupts at and below the kernel interrupt priority. */ \
ulStatus = _CP0_GET_STATUS ( ) ; \
ulStatus & = ~ portALL_IPL_BITS ; \
_CP0_SET_STATUS ( ( ulStatus | ( configMAX_SYSCALL_INTERRUPT_PRIORITY < < portIPL_SHIFT ) ) ) ; \
}
# endif /* configASSERT */
# define portENABLE_INTERRUPTS() \
{ \
uint32_t ulStatus ; \
\
/* Unmask all interrupts. */ \
ulStatus = _CP0_GET_STATUS ( ) ; \
ulStatus & = ~ portALL_IPL_BITS ; \
_CP0_SET_STATUS ( ulStatus ) ; \
}
extern void vTaskEnterCritical ( void ) ;
extern void vTaskExitCritical ( void ) ;
# define portCRITICAL_NESTING_IN_TCB 1
# define portENTER_CRITICAL() vTaskEnterCritical()
# define portEXIT_CRITICAL() vTaskExitCritical()
extern UBaseType_t uxPortSetInterruptMaskFromISR ( ) ;
extern void vPortClearInterruptMaskFromISR ( UBaseType_t ) ;
# define portSET_INTERRUPT_MASK_FROM_ISR() uxPortSetInterruptMaskFromISR()
# define portCLEAR_INTERRUPT_MASK_FROM_ISR( uxSavedStatusRegister ) vPortClearInterruptMaskFromISR( uxSavedStatusRegister )
# if ( __mips_hard_float == 0 ) && ( configUSE_TASK_FPU_SUPPORT == 1 )
# error configUSE_TASK_FPU_SUPPORT can only be set to 1 when the part supports a hardware FPU module.
# endif
# if ( __mips_hard_float == 1 ) && ( configUSE_TASK_FPU_SUPPORT == 1 )
void vPortTaskUsesFPU ( void ) ;
# define portTASK_USES_FLOATING_POINT() vPortTaskUsesFPU()
# endif
# 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 ) |= ( 1UL << ( uxPriority ) )
# define portRESET_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) &= ~( 1UL << ( uxPriority ) )
/*-----------------------------------------------------------*/
# define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31UL - _clz( ( uxReadyPriorities ) ) )
# endif /* taskRECORD_READY_PRIORITY */
/*-----------------------------------------------------------*/
/* Task utilities. */
# define portYIELD() \
{ \
uint32_t ulCause ; \
\
/* Trigger software interrupt. */ \
ulCause = _CP0_GET_CAUSE ( ) ; \
ulCause | = portSW0_BIT ; \
_CP0_SET_CAUSE ( ulCause ) ; \
}
extern volatile UBaseType_t uxInterruptNesting ;
# define portASSERT_IF_IN_ISR() configASSERT( uxInterruptNesting == 0 )
# define portNOP() __asm volatile ( "nop" )
/*-----------------------------------------------------------*/
/* Task function macros as described on the FreeRTOS.org WEB site. */
# define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters ) __attribute__( ( noreturn ) )
# define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters )
/*-----------------------------------------------------------*/
# define portEND_SWITCHING_ISR( xSwitchRequired ) \
if ( xSwitchRequired ) \
{ \
portYIELD ( ) ; \
}
/* Required by the kernel aware debugger. */
# ifdef __DEBUG
# define portREMOVE_STATIC_QUALIFIER
# endif
# ifdef __cplusplus
}
# endif
# endif /* PORTMACRO_H */
