| /* | |
| * 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 | |
| * | |
| */ | |
| #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 */ |