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Add FreeRTOS software and first task to test sobel
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‎modules/VirtualPrototype/FreeRTOS/FreeRTOS.h‎

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‎modules/VirtualPrototype/FreeRTOS/FreeRTOSConfig.h‎

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/*
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FreeRTOS V8.2.3 - Copyright (C) 2015 Real Time Engineers Ltd.
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All rights reserved
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VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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This file is part of the FreeRTOS distribution.
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FreeRTOS is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License (version 2) as published by the
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Free Software Foundation >>>> AND MODIFIED BY <<<< the FreeRTOS exception.
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***************************************************************************
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>>! NOTE: The modification to the GPL is included to allow you to !<<
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>>! distribute a combined work that includes FreeRTOS without being !<<
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>>! obliged to provide the source code for proprietary components !<<
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>>! outside of the FreeRTOS kernel. !<<
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***************************************************************************
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FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. Full license text is available on the following
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link: http://www.freertos.org/a00114.html
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***************************************************************************
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* *
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* FreeRTOS provides completely free yet professionally developed, *
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* robust, strictly quality controlled, supported, and cross *
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* platform software that is more than just the market leader, it *
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* is the industry's de facto standard. *
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* *
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* Help yourself get started quickly while simultaneously helping *
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* to support the FreeRTOS project by purchasing a FreeRTOS *
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* tutorial book, reference manual, or both: *
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* http://www.FreeRTOS.org/Documentation *
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* *
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***************************************************************************
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http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading
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the FAQ page "My application does not run, what could be wrong?". Have you
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defined configASSERT()?
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http://www.FreeRTOS.org/support - In return for receiving this top quality
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embedded software for free we request you assist our global community by
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participating in the support forum.
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http://www.FreeRTOS.org/training - Investing in training allows your team to
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be as productive as possible as early as possible. Now you can receive
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FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
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Ltd, and the world's leading authority on the world's leading RTOS.
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http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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including FreeRTOS+Trace - an indispensable productivity tool, a DOS
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compatible FAT file system, and our tiny thread aware UDP/IP stack.
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http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
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Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
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http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
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Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
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licenses offer ticketed support, indemnification and commercial middleware.
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http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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engineered and independently SIL3 certified version for use in safety and
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mission critical applications that require provable dependability.
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1 tab == 4 spaces!
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*/
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#ifndef FREERTOS_CONFIG_H
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#define FREERTOS_CONFIG_H
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/*-----------------------------------------------------------
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* Application specific definitions.
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*
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* These definitions should be adjusted for your particular hardware and
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* application requirements.
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*
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* THESE PARAMETERS ARE DESCRIBED WITHIN THE 'CONFIGURATION' SECTION OF THE
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* FreeRTOS API DOCUMENTATION AVAILABLE ON THE FreeRTOS.org WEB SITE.
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*
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* See http://www.freertos.org/a00110.html.
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*----------------------------------------------------------*/
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#define configCLINT_BASE_ADDRESS 0 /* There is no CLINT so the base address must be set to 0. */
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#define configUSE_PREEMPTION 1
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#define configUSE_IDLE_HOOK 0
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#define configUSE_TICK_HOOK 0
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#define configCPU_CLOCK_HZ BOARD_BOOTCLOCKRUN_CORE_CLOCK
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#define configTICK_RATE_HZ ( ( TickType_t ) 1000 )
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#define configMAX_PRIORITIES ( 5 )
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#define configMINIMAL_STACK_SIZE ( ( unsigned short ) 500 ) /* Can be as low as 60 but some of the demo tasks that use this constant require it to be higher. */
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#define configTOTAL_HEAP_SIZE ( ( size_t ) ( 100 * 1024 ) )
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#define configMAX_TASK_NAME_LEN ( 16 )
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#define configUSE_TRACE_FACILITY 0
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#define configUSE_16_BIT_TICKS 0
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#define configIDLE_SHOULD_YIELD 0
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#define configUSE_MUTEXES 1
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#define configQUEUE_REGISTRY_SIZE 8
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#define configCHECK_FOR_STACK_OVERFLOW 2
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#define configUSE_RECURSIVE_MUTEXES 1
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#define configUSE_MALLOC_FAILED_HOOK 1
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#define configUSE_APPLICATION_TASK_TAG 0
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#define configUSE_COUNTING_SEMAPHORES 1
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#define configGENERATE_RUN_TIME_STATS 0
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/* Co-routine definitions. */
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#define configUSE_CO_ROUTINES 0
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#define configMAX_CO_ROUTINE_PRIORITIES ( 2 )
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/* Software timer definitions. */
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#define configUSE_TIMERS 0
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#define configTIMER_TASK_PRIORITY ( configMAX_PRIORITIES - 1 )
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#define configTIMER_QUEUE_LENGTH 4
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#define configTIMER_TASK_STACK_DEPTH ( configMINIMAL_STACK_SIZE )
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/* Task priorities. Allow these to be overridden. */
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#ifndef uartPRIMARY_PRIORITY
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#define uartPRIMARY_PRIORITY ( configMAX_PRIORITIES - 3 )
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#endif
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/* Set the following definitions to 1 to include the API function, or zero
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to exclude the API function. */
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#define INCLUDE_vTaskPrioritySet 1
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#define INCLUDE_uxTaskPriorityGet 1
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#define INCLUDE_vTaskDelete 1
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#define INCLUDE_vTaskCleanUpResources 1
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#define INCLUDE_vTaskSuspend 1
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#define INCLUDE_vTaskDelayUntil 1
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#define INCLUDE_vTaskDelay 1
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#define INCLUDE_eTaskGetState 1
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#define INCLUDE_xTimerPendFunctionCall 0
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#define INCLUDE_xTaskAbortDelay 1
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#define INCLUDE_xTaskGetHandle 1
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#define INCLUDE_xSemaphoreGetMutexHolder 1
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/* Normal assert() semantics without relying on the provision of an assert.h
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header file. */
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#define configASSERT( x ) if( ( x ) == 0 ) { taskDISABLE_INTERRUPTS(); __asm volatile( "ebreak" ); for( ;; ); }
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#define configUSE_PORT_OPTIMISED_TASK_SELECTION 0
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#define configKERNEL_INTERRUPT_PRIORITY 7
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#endif /* FREERTOS_CONFIG_H */

‎modules/VirtualPrototype/FreeRTOS/Makefile‎

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TARGET = freertos
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TARGET_ARCH = riscv32
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CC = riscv32-unknown-elf-gcc
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# compiling flags here
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CFLAGS = -Wall -I. -O0 -static -march=rv32gc -mabi=ilp32 --specs=nosys.specs
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CFLAGS+=-std=c++17
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LINKER = riscv32-unknown-elf-gcc
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# linking flags here
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LDFLAGS = -I. -static
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LIBS = $(EXTRA_LIBS)
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CFLAGS += -DUSING_RISCV_TLM_TB_EN
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LDFLAGS += -DUSING_RISCV_TLM_TB_EN
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# change these to proper directories where each file should be
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SRCDIR = ./
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OBJDIR = .
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BINDIR = ./
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INCDIR = -I. -I../../edge-detector/include -I../include
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LIBDIR = -L.
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SOURCES := $(wildcard $(SRCDIR)/*.c)
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INCLUDES := $(wildcard $(INCDIR)/*.h)
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OBJECTS := $(SOURCES:$(SRCDIR)/%.c=$(OBJDIR)/%.o)
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SOURCES_ASM := $(wildcard $(SRCDIR)/*.S)
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OBJECTS_ASM := $(SOURCES_ASM:$(SRCDIR)/%.S=$(OBJDIR)/%.o)
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rm = rm -f
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$(BINDIR)/$(TARGET): $(OBJECTS) $(OBJECTS_ASM)
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$(LINKER) $(CFLAGS) $(LDFLAGS) $(LIBS) $(LIBDIR) $(OBJECTS) $(OBJECTS_ASM) -lm -o $@
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riscv32-unknown-elf-objdump -d $@ > dump
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riscv32-unknown-elf-objcopy -Oihex $@ $(TARGET).hex
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@echo "Linking complete!"
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$(OBJECTS): $(OBJDIR)/%.o : $(SRCDIR)/%.c
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@echo "Compiling "$<" ..."
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$(CC) $(CFLAGS) $(INCDIR) -c $< -o $@
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@echo "Done!"
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$(OBJECTS_ASM): $(OBJDIR)/%.o: $(SRCDIR)/%.S
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@echo "Assembling "$<" ..."
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$(CC) $(CFLAGS) $(INCDIR) -c $< -o $@
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@echo "Done!"
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.PHONY: clean
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clean:
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@$(rm) $(TARGET) $(OBJECTS) $(OBJECTS_ASM) *.hex dump
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@echo "Cleanup complete!"
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.PHONY: remove
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remove: clean
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@$(rm) $(BINDIR)/$(TARGET)
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@echo "Executable removed!"

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