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Add RP2040 support (#341)
* Add RP2040 support * remove spurious tab/spaces comments * add .cmake to ignored kernel checks * Apply suggestions from code review Co-authored-by: Paul Bartell <paul.bartell@gmail.com> * license and end of file newline fixes * Rename LICENSE.TXT to LICENSE.md Co-authored-by: Paul Bartell <paul.bartell@gmail.com> Co-authored-by: Gaurav-Aggarwal-AWS <33462878+aggarg@users.noreply.github.com>
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Graham Sanderson
GitHub
parent
4200226708
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9af72db3ec
14 changed files with 1517 additions and 3 deletions
151
portable/ThirdParty/GCC/RP2040/include/portmacro.h
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portable/ThirdParty/GCC/RP2040/include/portmacro.h
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/*
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* FreeRTOS Kernel V10.4.3
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* Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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* Copyright (c) 2021 Raspberry Pi (Trading) Ltd.
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*
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* SPDX-License-Identifier: MIT AND BSD-3-Clause
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* https://www.FreeRTOS.org
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* https://github.com/FreeRTOS
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*
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*/
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#ifndef PORTMACRO_H
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#define PORTMACRO_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "pico.h"
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/*-----------------------------------------------------------
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* Port specific definitions.
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*
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* The settings in this file configure FreeRTOS correctly for the
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* given hardware and compiler.
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*
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* These settings should not be altered.
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*-----------------------------------------------------------
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*/
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/* Type definitions. */
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#define portCHAR char
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#define portFLOAT float
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#define portDOUBLE double
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#define portLONG long
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#define portSHORT short
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#define portSTACK_TYPE uint32_t
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#define portBASE_TYPE long
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typedef portSTACK_TYPE StackType_t;
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typedef int32_t BaseType_t;
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typedef uint32_t UBaseType_t;
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#if ( configUSE_16_BIT_TICKS == 1 )
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typedef uint16_t TickType_t;
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#define portMAX_DELAY ( TickType_t ) 0xffff
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#else
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typedef uint32_t TickType_t;
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#define portMAX_DELAY ( TickType_t ) 0xffffffffUL
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/* 32-bit tick type on a 32-bit architecture, so reads of the tick count do
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* not need to be guarded with a critical section. */
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#define portTICK_TYPE_IS_ATOMIC 1
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#endif
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/*-----------------------------------------------------------*/
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/* Architecture specifics. */
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#define portSTACK_GROWTH ( -1 )
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#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
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#define portBYTE_ALIGNMENT 8
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#define portDONT_DISCARD __attribute__( ( used ) )
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/* We have to use PICO_DIVIDER_DISABLE_INTERRUPTS as the source of truth rathern than our config,
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* as our FreeRTOSConfig.h header cannot be included by ASM code - which is what this affects in the SDK */
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#define portUSE_DIVIDER_SAVE_RESTORE !PICO_DIVIDER_DISABLE_INTERRUPTS
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#if portUSE_DIVIDER_SAVE_RESTORE
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#define portSTACK_LIMIT_PADDING 4
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#endif
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/*-----------------------------------------------------------*/
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/* Scheduler utilities. */
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extern void vPortYield( void );
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#define portNVIC_INT_CTRL_REG ( *( ( volatile uint32_t * ) 0xe000ed04 ) )
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#define portNVIC_PENDSVSET_BIT ( 1UL << 28UL )
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#define portYIELD() vPortYield()
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#define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) portNVIC_INT_CTRL_REG = portNVIC_PENDSVSET_BIT
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#define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x )
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/*-----------------------------------------------------------*/
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/* Exception handlers */
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#if (configUSE_DYNAMIC_EXCEPTION_HANDLERS == 0)
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/* We only need to override the SDK's weak functions if we want to replace them at compile time */
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#define vPortSVCHandler isr_svcall
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#define xPortPendSVHandler isr_pendsv
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#define xPortSysTickHandler isr_systick
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#endif
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#define portCHECK_IF_IN_ISR() ({ \
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uint32_t ulIPSR; \
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__asm volatile ("mrs %0, IPSR" : "=r" (ulIPSR)::); \
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((uint8_t)ulIPSR)>0;})
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/*-----------------------------------------------------------*/
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/* Critical section management. */
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extern uint32_t ulSetInterruptMaskFromISR( void ) __attribute__( ( naked ) );
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extern void vClearInterruptMaskFromISR( uint32_t ulMask ) __attribute__( ( naked ) );
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#define portSET_INTERRUPT_MASK_FROM_ISR() ulSetInterruptMaskFromISR()
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#define portCLEAR_INTERRUPT_MASK_FROM_ISR( x ) vClearInterruptMaskFromISR( x )
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#define portDISABLE_INTERRUPTS() __asm volatile ( " cpsid i " ::: "memory" )
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extern void vPortEnableInterrupts();
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#define portENABLE_INTERRUPTS() vPortEnableInterrupts()
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extern void vPortEnterCritical( void );
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extern void vPortExitCritical( void );
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#define portENTER_CRITICAL() vPortEnterCritical()
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#define portEXIT_CRITICAL() vPortExitCritical()
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/*-----------------------------------------------------------*/
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/* Tickless idle/low power functionality. */
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#ifndef portSUPPRESS_TICKS_AND_SLEEP
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extern void vPortSuppressTicksAndSleep( TickType_t xExpectedIdleTime );
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#define portSUPPRESS_TICKS_AND_SLEEP( xExpectedIdleTime ) vPortSuppressTicksAndSleep( xExpectedIdleTime )
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#endif
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/*-----------------------------------------------------------*/
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/* Task function macros as described on the FreeRTOS.org WEB site. */
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#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters )
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#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters )
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#define portNOP()
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#define portMEMORY_BARRIER() __asm volatile ( "" ::: "memory" )
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#ifdef __cplusplus
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}
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#endif
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#endif /* PORTMACRO_H */
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