| /* |
| * FreeRTOS SMP Kernel V202110.00 |
| * 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. |
| * |
| * https://www.FreeRTOS.org |
| * https://github.com/FreeRTOS |
| * |
| * 1 tab == 4 spaces! |
| */ |
| |
| // TODO Guard this so it only arrives with the PICO |
| #include "pico_support.h" |
| |
| #ifndef PORTMACRO_H |
| #define PORTMACRO_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 |
| /*-----------------------------------------------------------*/ |
| |
| /* Architecture specifics. */ |
| #define portSTACK_GROWTH ( -1 ) |
| #define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ ) |
| #define portBYTE_ALIGNMENT 8 |
| #define portDONT_DISCARD __attribute__( ( used ) ) |
| |
| // TODO SMP this is in tasks.c & the xmos port |
| #define portCRITICAL_NESTING_IN_TCB 1 |
| |
| /*-----------------------------------------------------------*/ |
| |
| |
| /* Scheduler utilities. */ |
| extern void vPortYield( void ); |
| #define portNVIC_INT_CTRL_REG ( *( ( volatile uint32_t * ) 0xe000ed04 ) ) |
| #define portNVIC_PENDSVSET_BIT ( 1UL << 28UL ) |
| #define portYIELD() vPortYield() |
| #define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) portNVIC_INT_CTRL_REG = portNVIC_PENDSVSET_BIT |
| #define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x ) |
| /*-----------------------------------------------------------*/ |
| |
| /* SMP utilities */ |
| #define portGET_CORE_ID() (portSIE_CPUID) |
| // TODO SMP Implement this |
| #define portYIELD_CORE(a) |
| |
| // TODO SMP NEW. Restore the maskable interrupt state to the valued provided. |
| #define portRESTORE_INTERRUPTS(ulState) |
| |
| // TODO SMP NEW. Return a true if we are currently in an ISR and false if we are NOT in an ISR. |
| #define portCHECK_IF_IN_ISR() (pdFALSE) |
| /*-----------------------------------------------------------*/ |
| |
| /* Critical section management. */ |
| extern void vPortEnterCritical( void ); |
| extern void vPortExitCritical( void ); |
| extern uint32_t ulSetInterruptMaskFromISR( void ) __attribute__( ( naked ) ); |
| extern void vClearInterruptMaskFromISR( uint32_t ulMask ) __attribute__( ( naked ) ); |
| |
| #define portSET_INTERRUPT_MASK_FROM_ISR() ulSetInterruptMaskFromISR() |
| #define portCLEAR_INTERRUPT_MASK_FROM_ISR( x ) vClearInterruptMaskFromISR( x ) |
| // TODO SMP XMOS modified DISABLE_INTERRUPTS to return a value |
| #define portDISABLE_INTERRUPTS() ({ __asm volatile ( " cpsid i " ::: "memory" ); 0;}) |
| #define portENABLE_INTERRUPTS() __asm volatile ( " cpsie i " ::: "memory" ) |
| #define portENTER_CRITICAL() vPortEnterCritical() |
| #define portEXIT_CRITICAL() vPortExitCritical() |
| |
| /* PICO port will use the HW spinlocks for these */ |
| /* Read Page 32 of the RP2040 datasheet to see how the spinlocks wrok */ |
| /* using SPINLOCK0 for the ISR & SPINLOCK1 for the task */ |
| #define portGET_ISR_LOCK() do{ while(!portSIE_SPINLOCK0); }while(0) |
| #define portRELEASE_ISR_LOCK() do{ portSIE_SPINLOCK0 = 1; }while(0) |
| #define portGET_TASK_LOCK() do{ while(!portSIE_SPINLOCK1); }while(0) |
| #define portRELEASE_TASK_LOCK() do{ portSIE_SPINLOCK1 = 1; }while(0) |
| |
| /*-----------------------------------------------------------*/ |
| |
| /* 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 |
| /*-----------------------------------------------------------*/ |
| |
| /* 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 portNOP() |
| |
| #define portMEMORY_BARRIER() __asm volatile ( "" ::: "memory" ) |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* PORTMACRO_H */ |