Removing RISC-V port under ThirdParty.

RISC-V ports for IAR and GCC can now be found under \FreeRTOS\Source\portable\GCC\RISC-V and \FreeRTOS\Source\portable\IAR\RISC-V.

git-svn-id: http://svn.code.sf.net/p/freertos/code/trunk@2813 1d2547de-c912-0410-9cb9-b8ca96c0e9e2

3 files changed, 0 insertions, 836 deletions

diff --git a/FreeRTOS/Source/portable/ThirdParty/GCC/RISC-V/port.c b/FreeRTOS/Source/portable/ThirdParty/GCC/RISC-V/port.c
deleted file mode 100644
index 3d96ce8aa..000000000
--- a/FreeRTOS/Source/portable/ThirdParty/GCC/RISC-V/port.c
+++ /dev/null
@@ -1,385 +0,0 @@
-/*

-    FreeRTOS V8.2.3 - Copyright (C) 2015 Real Time Engineers Ltd.

-    All rights reserved

-

-    VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.

-

-    This file is part of the FreeRTOS distribution and was contributed

-    to the project by Technolution B.V. (www.technolution.nl,

-    freertos-riscv@technolution.eu) under the terms of the FreeRTOS

-    contributors license.

-

-    FreeRTOS is free software; you can redistribute it and/or modify it under

-    the terms of the GNU General Public License (version 2) as published by the

-    Free Software Foundation >>>> AND MODIFIED BY <<<< the FreeRTOS exception.

-

-    ***************************************************************************

-    >>!   NOTE: The modification to the GPL is included to allow you to     !<<

-    >>!   distribute a combined work that includes FreeRTOS without being   !<<

-    >>!   obliged to provide the source code for proprietary components     !<<

-    >>!   outside of the FreeRTOS kernel.                                   !<<

-    ***************************************************************************

-

-    FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY

-    WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS

-    FOR A PARTICULAR PURPOSE.  Full license text is available on the following

-    link: http://www.freertos.org/a00114.html

-

-    ***************************************************************************

-     *                                                                       *

-     *    FreeRTOS provides completely free yet professionally developed,    *

-     *    robust, strictly quality controlled, supported, and cross          *

-     *    platform software that is more than just the market leader, it     *

-     *    is the industry's de facto standard.                               *

-     *                                                                       *

-     *    Help yourself get started quickly while simultaneously helping     *

-     *    to support the FreeRTOS project by purchasing a FreeRTOS           *

-     *    tutorial book, reference manual, or both:                          *

-     *    http://www.FreeRTOS.org/Documentation                              *

-     *                                                                       *

-    ***************************************************************************

-

-    http://www.FreeRTOS.org/FAQHelp.html - Having a problem?  Start by reading

-    the FAQ page "My application does not run, what could be wrong?".  Have you

-    defined configASSERT()?

-

-    http://www.FreeRTOS.org/support - In return for receiving this top quality

-    embedded software for free we request you assist our global community by

-    participating in the support forum.

-

-    http://www.FreeRTOS.org/training - Investing in training allows your team to

-    be as productive as possible as early as possible.  Now you can receive

-    FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers

-    Ltd, and the world's leading authority on the world's leading RTOS.

-

-    http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,

-    including FreeRTOS+Trace - an indispensable productivity tool, a DOS

-    compatible FAT file system, and our tiny thread aware UDP/IP stack.

-

-    http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.

-    Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.

-

-    http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High

-    Integrity Systems ltd. to sell under the OpenRTOS brand.  Low cost OpenRTOS

-    licenses offer ticketed support, indemnification and commercial middleware.

-

-    http://www.SafeRTOS.com - High Integrity Systems also provide a safety

-    engineered and independently SIL3 certified version for use in safety and

-    mission critical applications that require provable dependability.

-

-    1 tab == 4 spaces!

-*/

-

-/*-----------------------------------------------------------

- * Implementation of functions defined in portable.h for the RISC-V port.

- *----------------------------------------------------------*/

-

-/* Scheduler includes. */

-#include "FreeRTOS.h"

-#include "task.h"

-#include "portmacro.h"

-

-#include "riscv_hal.h"

-

-#ifdef __riscv64

-# define STORE    sd

-# define LOAD     ld

-# define REGBYTES 8

-#else

-# define STORE    sw

-# define LOAD     lw

-# define REGBYTES 4

-#endif

-/* A variable is used to keep track of the critical section nesting.  This

-variable has to be stored as part of the task context and must be initialized to

-a non zero value to ensure interrupts don't inadvertently become unmasked before

-the scheduler starts.  As it is stored as part of the task context it will

-automatically be set to 0 when the first task is started. */

-static UBaseType_t uxCriticalNesting = 0xaaaaaaaa;

-

-/* Contains context when starting scheduler, save all 31 registers */

-#ifdef __gracefulExit

-BaseType_t xStartContext[31] = {0};

-#endif

-

-

-typedef struct

-{

-	uint32_t val_low;

-	uint32_t val_high;

-}riscv_machine_timer_t;

-

-static volatile riscv_machine_timer_t *mtime = (riscv_machine_timer_t *)0x4400BFF8;

-

-static volatile riscv_machine_timer_t *mtimecmp = (riscv_machine_timer_t *)0x44004000;

-

-/*

- * Setup the timer to generate the tick interrupts.

- */

-void vPortSetupTimer( void );

-

-/*

- * Set the next interval for the timer

- */

-static void prvSetNextTimerInterrupt( void );

-

-/*

- * Used to catch tasks that attempt to return from their implementing function.

- */

-static void prvTaskExitError( void );

-

-void vPortEnterCritical( void )

-{

-	portDISABLE_INTERRUPTS();

-	uxCriticalNesting++;

-}

-/*-----------------------------------------------------------*/

-

-void vPortExitCritical( void )

-{

-	uxCriticalNesting--;

-	if( uxCriticalNesting == 0 )

-	{

-		portENABLE_INTERRUPTS();

-	}

-}

-/*-----------------------------------------------------------*/

-

-/* Sets the next timer interrupt

- * Reads previous timer compare register, and adds tickrate */

-static void prvSetNextTimerInterrupt(void)

-{

-	uint64_t time;

-

-	time = mtime->val_low;

-	time |= ((uint64_t)mtime->val_high << 32);

-

-	time += (configCPU_CLOCK_HZ / configTICK_RATE_HZ);

-

-	mtimecmp->val_low = (uint32_t)(time & 0xFFFFFFFF);

-	mtimecmp->val_high = (uint32_t)((time >> 32) & 0xFFFFFFFF);

-

-	/* Enable timer interrupt */

-	__asm volatile("csrs mie,%0"::"r"(0x80));

-}

-/*-----------------------------------------------------------*/

-

-/* Sets and enable the timer interrupt */

-void vPortSetupTimer(void)

-{

-	uint64_t time;

-

-	time = mtime->val_low;

-	time |= ((uint64_t)mtime->val_high << 32);

-

-	time += (configCPU_CLOCK_HZ / configTICK_RATE_HZ);

-

-	mtimecmp->val_low = (uint32_t)(time & 0xFFFFFFFF);

-	mtimecmp->val_high = (uint32_t)((time >> 32) & 0xFFFFFFFF);

-

-

-	/* Enable timer interrupt */

-	__asm volatile("csrs mie,%0"::"r"(0x80));

-}

-/*-----------------------------------------------------------*/

-

-void prvTaskExitError( void )

-{

-	/* A function that implements a task must not exit or attempt to return to

-	its caller as there is nothing to return to.  If a task wants to exit it

-	should instead call vTaskDelete( NULL ).

-

-	Artificially force an assert() to be triggered if configASSERT() is

-	defined, then stop here so application writers can catch the error. */

-	configASSERT( uxCriticalNesting == ~0UL );

-	portDISABLE_INTERRUPTS();

-	for( ;; );

-}

-/*-----------------------------------------------------------*/

-

-/* Clear current interrupt mask and set given mask */

-void vPortClearInterruptMask(int mask)

-{

-	__asm volatile("csrw mie, %0"::"r"(mask));

-}

-/*-----------------------------------------------------------*/

-

-/* Set interrupt mask and return current interrupt enable register */

-int vPortSetInterruptMask(void)

-{

-	int ret;

-	__asm volatile("csrr %0,mie":"=r"(ret));

-	__asm volatile("csrc mie,%0"::"i"(7));

-	return ret;

-}

-

-/*

- * See header file for description.

- */

-StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters )

-{

-	/* Simulate the stack frame as it would be created by a context switch

-	interrupt. */

-	register int *tp asm("x3");

-	pxTopOfStack--;

-	*pxTopOfStack = (portSTACK_TYPE)pxCode;			/* Start address */

-	pxTopOfStack -= 22;

-	*pxTopOfStack = (portSTACK_TYPE)pvParameters;	/* Register a0 */

-	pxTopOfStack -= 6;

-	*pxTopOfStack = (portSTACK_TYPE)tp; /* Register thread pointer */

-	pxTopOfStack -= 3;

-	*pxTopOfStack = (portSTACK_TYPE)prvTaskExitError; /* Register ra */

-	

-	return pxTopOfStack;

-}

-/*-----------------------------------------------------------*/

-

-void vPortSysTickHandler( void )

-{

-	/*Save Context*/

-	{

-		__asm volatile("lw	t0, pxCurrentTCB");

-		__asm volatile("sw	a2, 0x0(t0)");

-	}

-

-	/* Increment the RTOS tick. */

-	prvSetNextTimerInterrupt();

-

-	/*Switch task */

-	if( xTaskIncrementTick() != pdFALSE )

-	{

-		vTaskSwitchContext();

-	}

-

-	/*Restore Context*/

-	{

-		__asm volatile("lw	sp, pxCurrentTCB");

-		__asm volatile("lw	sp, 0x0(sp)");

-

-		__asm volatile("lw	t0, 31 * 4(sp)");

-		__asm volatile("csrw	mepc, t0");

-

-		__asm volatile("lw	x1, 0x0(sp)");

-		__asm volatile("lw   x4, 3 * 4(sp)");

-		__asm volatile("lw   x5, 4 * 4(sp)");

-		__asm volatile("lw   x6, 5 * 4(sp)");

-		__asm volatile("lw   x7, 6 * 4(sp)");

-		__asm volatile("lw   x8, 7 * 4(sp)");

-		__asm volatile("lw   x9, 8 * 4(sp)");

-		__asm volatile("lw   x10, 9 * 4(sp)");

-		__asm volatile("lw   x11, 10 * 4(sp)");

-		__asm volatile("lw   x12, 11 * 4(sp)");

-		__asm volatile("lw   x13, 12 * 4(sp)");

-		__asm volatile("lw   x14, 13 * 4(sp)");

-		__asm volatile("lw   x15, 14 * 4(sp)");

-		__asm volatile("lw   x16, 15 * 4(sp)");

-		__asm volatile("lw   x17, 16 * 4(sp)");

-		__asm volatile("lw   x18, 17 * 4(sp)");

-		__asm volatile("lw   x19, 18 * 4(sp)");

-		__asm volatile("lw   x20, 19 * 4(sp)");

-		__asm volatile("lw   x21, 20 * 4(sp)");

-		__asm volatile("lw   x22, 21 * 4(sp)");

-		__asm volatile("lw   x23, 22 * 4(sp)");

-		__asm volatile("lw   x24, 23 * 4(sp)");

-		__asm volatile("lw   x25, 24 * 4(sp)");

-		__asm volatile("lw   x26, 25 * 4(sp)");

-		__asm volatile("lw   x27, 26 * 4(sp)");

-		__asm volatile("lw   x28, 27 * 4(sp)");

-		__asm volatile("lw   x29, 28 * 4(sp)");

-		__asm volatile("lw   x30, 29 * 4(sp)");

-		__asm volatile("lw   x31, 30 * 4(sp)");

-

-		__asm volatile("addi	sp, sp, 4 * 32");

-

-		__asm volatile("mret");

-	}

-}

-uint32_t g_startscheduler = 0;

-BaseType_t xPortStartScheduler( void )

-{

-	vPortSetupTimer();

-	uxCriticalNesting = 0;

-	g_startscheduler = 1;

-	__enable_irq();

-

-	raise_soft_interrupt();

-

-	/*Should not get here*/

-	return pdFALSE;

-}

-

-void Software_IRQHandler(void)

-{

-	if(1 == g_startscheduler)

-	{

-		g_startscheduler = 2; //skip the save n switch context first time when scheduler is starting.

-	}

-	else

-	{

-		/*Save Context*/

-		{

-			__asm volatile("lw	t0, pxCurrentTCB");

-			__asm volatile("sw	a2, 0x0(t0)");

-		}

-

-		vTaskSwitchContext();

-	}

-

-	/*Restore Context*/

-	{

-		__asm volatile("lw	sp, pxCurrentTCB");

-		__asm volatile("lw	sp, 0x0(sp)");

-

-		__asm volatile("lw	t0, 31 * 4(sp)");

-		__asm volatile("csrw	mepc, t0");

-

-		__asm volatile("lw	x1, 0x0(sp)");

-		__asm volatile("lw   x4, 3 * 4(sp)");

-		__asm volatile("lw   x5, 4 * 4(sp)");

-		__asm volatile("lw   x6, 5 * 4(sp)");

-		__asm volatile("lw   x7, 6 * 4(sp)");

-		__asm volatile("lw   x8, 7 * 4(sp)");

-		__asm volatile("lw   x9, 8 * 4(sp)");

-		__asm volatile("lw   x10, 9 * 4(sp)");

-		__asm volatile("lw   x11, 10 * 4(sp)");

-		__asm volatile("lw   x12, 11 * 4(sp)");

-		__asm volatile("lw   x13, 12 * 4(sp)");

-		__asm volatile("lw   x14, 13 * 4(sp)");

-		__asm volatile("lw   x15, 14 * 4(sp)");

-		__asm volatile("lw   x16, 15 * 4(sp)");

-		__asm volatile("lw   x17, 16 * 4(sp)");

-		__asm volatile("lw   x18, 17 * 4(sp)");

-		__asm volatile("lw   x19, 18 * 4(sp)");

-		__asm volatile("lw   x20, 19 * 4(sp)");

-		__asm volatile("lw   x21, 20 * 4(sp)");

-		__asm volatile("lw   x22, 21 * 4(sp)");

-		__asm volatile("lw   x23, 22 * 4(sp)");

-		__asm volatile("lw   x24, 23 * 4(sp)");

-		__asm volatile("lw   x25, 24 * 4(sp)");

-		__asm volatile("lw   x26, 25 * 4(sp)");

-		__asm volatile("lw   x27, 26 * 4(sp)");

-		__asm volatile("lw   x28, 27 * 4(sp)");

-		__asm volatile("lw   x29, 28 * 4(sp)");

-		__asm volatile("lw   x30, 29 * 4(sp)");

-		__asm volatile("lw   x31, 30 * 4(sp)");

-

-		__asm volatile("addi	sp, sp, 4 * 32");

-

-		//PRCI->MSIP[0] = 0x00;

-

-		__asm volatile("addi sp, sp, -1*4");

-		__asm volatile("sw t0, 0(sp)");

-		__asm volatile("li t0, 0x44000000");	// address of PRCI->MSIP[0]

-		__asm volatile("sw zero,0(t0)");

-		__asm volatile("lw t0, 0(sp)");

-		__asm volatile("addi sp, sp, 1*4");

-

-		__asm volatile("mret");

-	}

-}

-

-void vPortYield( void )

-{

-	raise_soft_interrupt();

-}

-

diff --git a/FreeRTOS/Source/portable/ThirdParty/GCC/RISC-V/portasm.S b/FreeRTOS/Source/portable/ThirdParty/GCC/RISC-V/portasm.S
deleted file mode 100644
index 78b22652e..000000000
--- a/FreeRTOS/Source/portable/ThirdParty/GCC/RISC-V/portasm.S
+++ /dev/null
@@ -1,282 +0,0 @@
-/*

-    FreeRTOS V8.2.3 - Copyright (C) 2015 Real Time Engineers Ltd.

-    All rights reserved

-

-    VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.

-

-    This file is part of the FreeRTOS distribution and was contributed

-    to the project by Technolution B.V. (www.technolution.nl,

-    freertos-riscv@technolution.eu) under the terms of the FreeRTOS

-    contributors license.

-

-    FreeRTOS is free software; you can redistribute it and/or modify it under

-    the terms of the GNU General Public License (version 2) as published by the

-    Free Software Foundation >>>> AND MODIFIED BY <<<< the FreeRTOS exception.

-

-    ***************************************************************************

-    >>!   NOTE: The modification to the GPL is included to allow you to     !<<

-    >>!   distribute a combined work that includes FreeRTOS without being   !<<

-    >>!   obliged to provide the source code for proprietary components     !<<

-    >>!   outside of the FreeRTOS kernel.                                   !<<

-    ***************************************************************************

-

-    FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY

-    WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS

-    FOR A PARTICULAR PURPOSE.  Full license text is available on the following

-    link: http://www.freertos.org/a00114.html

-

-    ***************************************************************************

-     *                                                                       *

-     *    FreeRTOS provides completely free yet professionally developed,    *

-     *    robust, strictly quality controlled, supported, and cross          *

-     *    platform software that is more than just the market leader, it     *

-     *    is the industry''s de facto standard.                               *

-     *                                                                       *

-     *    Help yourself get started quickly while simultaneously helping     *

-     *    to support the FreeRTOS project by purchasing a FreeRTOS           *

-     *    tutorial book, reference manual, or both:                          *

-     *    http://www.FreeRTOS.org/Documentation                              *

-     *                                                                       *

-    ***************************************************************************

-

-    http://www.FreeRTOS.org/FAQHelp.html - Having a problem?  Start by reading

-    the FAQ page "My application does not run, what could be wrong?".  Have you

-    defined configASSERT()?

-

-    http://www.FreeRTOS.org/support - In return for receiving this top quality

-    embedded software for free we request you assist our global community by

-    participating in the support forum.

-

-    http://www.FreeRTOS.org/training - Investing in training allows your team to

-    be as productive as possible as early as possible.  Now you can receive

-    FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers

-    Ltd, and the world's leading authority on the world's leading RTOS.

-

-    http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,

-    including FreeRTOS+Trace - an indispensable productivity tool, a DOS

-    compatible FAT file system, and our tiny thread aware UDP/IP stack.

-

-    http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.

-    Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.

-

-    http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High

-    Integrity Systems ltd. to sell under the OpenRTOS brand.  Low cost OpenRTOS

-    licenses offer ticketed support, indemnification and commercial middleware.

-

-    http://www.SafeRTOS.com - High Integrity Systems also provide a safety

-    engineered and independently SIL3 certified version for use in safety and

-    mission critical applications that require provable dependability.

-

-    1 tab == 4 spaces!

-*/

-

-

-#ifdef __riscv64

-# define STORE    sd

-# define LOAD     ld

-# define REGBYTES 8

-#else

-# define STORE    sw

-# define LOAD     lw

-# define REGBYTES 4

-#endif

-

-#define MSTATUS_PRV1 0x1800

-

-.global portSAVE_CONTEXT

-.global portRESTORE_CONTEXT

-

-//.global xPortStartScheduler

-.global vPortYield

-.global vTaskIncrementTick

-.global vPortEndScheduler

-.global xExitStack

-

-

-/* Macro for saving task context */

-.macro portSAVE_CONTEXT

-	.global	pxCurrentTCB

-	/* make room in stack */

-	addi	sp, sp, -REGBYTES * 32

-

-	/* Save Context */

-	STORE	x1, 0x0(sp)

-	STORE	x2, 1 * REGBYTES(sp)

-	STORE	x3, 2 * REGBYTES(sp)

-	STORE	x4, 3 * REGBYTES(sp)

-	STORE	x5, 4 * REGBYTES(sp)

-	STORE	x6, 5 * REGBYTES(sp)

-	STORE	x7, 6 * REGBYTES(sp)

-	STORE	x8, 7 * REGBYTES(sp)

-	STORE	x9, 8 * REGBYTES(sp)

-	STORE	x10, 9 * REGBYTES(sp)

-	STORE	x11, 10 * REGBYTES(sp)

-	STORE	x12, 11 * REGBYTES(sp)

-	STORE	x13, 12 * REGBYTES(sp)

-	STORE	x14, 13 * REGBYTES(sp)

-	STORE	x15, 14 * REGBYTES(sp)

-	STORE	x16, 15 * REGBYTES(sp)

-	STORE	x17, 16 * REGBYTES(sp)

-	STORE	x18, 17 * REGBYTES(sp)

-	STORE	x19, 18 * REGBYTES(sp)

-	STORE	x20, 19 * REGBYTES(sp)

-	STORE	x21, 20 * REGBYTES(sp)

-	STORE	x22, 21 * REGBYTES(sp)

-	STORE	x23, 22 * REGBYTES(sp)

-	STORE	x24, 23 * REGBYTES(sp)

-	STORE	x25, 24 * REGBYTES(sp)

-	STORE	x26, 25 * REGBYTES(sp)

-	STORE	x27, 26 * REGBYTES(sp)

-	STORE	x28, 27 * REGBYTES(sp)

-	STORE	x29, 28 * REGBYTES(sp)

-	STORE	x30, 29 * REGBYTES(sp)

-	STORE	x31, 30 * REGBYTES(sp)

-

-	/* Store current stackpointer in task control block (TCB) */

-	LOAD	t0, pxCurrentTCB	//pointer

-	STORE	sp, 0x0(t0)

-	.endm

-

-/* Saves current error program counter (EPC) as task program counter */

-.macro portSAVE_EPC

-  	csrr	t0, mepc

-	STORE	t0, 31 * REGBYTES(sp)

-	.endm

-

-/* Saves current return adress (RA) as task program counter */

-.macro portSAVE_RA

-	STORE	ra, 31 * REGBYTES(sp)

-	.endm

-

-/* Macro for restoring task context */

-.macro portRESTORE_CONTEXT

-

-	.global	pxCurrentTCB

-	/* Load stack pointer from the current TCB */

-	LOAD	sp, pxCurrentTCB

-	LOAD	sp, 0x0(sp)

-

-	/* Load task program counter */

-	LOAD	t0, 31 * REGBYTES(sp)

-  	csrw	mepc, t0

-

-	/* Restore registers,

-	   Skip global pointer because that does not change */

-	LOAD	x1, 0x0(sp)

-	LOAD	x4, 3 * REGBYTES(sp)

-	LOAD	x5, 4 * REGBYTES(sp)

-	LOAD	x6, 5 * REGBYTES(sp)

-	LOAD	x7, 6 * REGBYTES(sp)

-	LOAD	x8, 7 * REGBYTES(sp)

-	LOAD	x9, 8 * REGBYTES(sp)

-	LOAD	x10, 9 * REGBYTES(sp)

-	LOAD	x11, 10 * REGBYTES(sp)

-	LOAD	x12, 11 * REGBYTES(sp)

-	LOAD	x13, 12 * REGBYTES(sp)

-	LOAD	x14, 13 * REGBYTES(sp)

-	LOAD	x15, 14 * REGBYTES(sp)

-	LOAD	x16, 15 * REGBYTES(sp)

-	LOAD	x17, 16 * REGBYTES(sp)

-	LOAD	x18, 17 * REGBYTES(sp)

-	LOAD	x19, 18 * REGBYTES(sp)

-	LOAD	x20, 19 * REGBYTES(sp)

-	LOAD	x21, 20 * REGBYTES(sp)

-	LOAD	x22, 21 * REGBYTES(sp)

-	LOAD	x23, 22 * REGBYTES(sp)

-	LOAD	x24, 23 * REGBYTES(sp)

-	LOAD	x25, 24 * REGBYTES(sp)

-	LOAD	x26, 25 * REGBYTES(sp)

-	LOAD	x27, 26 * REGBYTES(sp)

-	LOAD	x28, 27 * REGBYTES(sp)

-	LOAD	x29, 28 * REGBYTES(sp)

-	LOAD	x30, 29 * REGBYTES(sp)

-	LOAD	x31, 30 * REGBYTES(sp)

-

-	addi	sp, sp, REGBYTES * 32

-

-	/* Enable global interupt */

-    csrs mstatus,8

-

-	ret

-	.endm

-

-

-/*

-xPortStartScheduler:

-#ifdef __gracefulExit

-

-	la		t0, xStartContext

-	STORE	x1, 0x0(t0)

-	STORE	x2, 1 * REGBYTES(t0)

-	STORE	x3, 2 * REGBYTES(t0)

-	STORE	x4, 3 * REGBYTES(t0)

-	STORE	x5, 4 * REGBYTES(t0)

-	STORE	x6, 5 * REGBYTES(t0)

-	STORE	x7, 6 * REGBYTES(t0)

-	STORE	x8, 7 * REGBYTES(t0)

-	STORE	x9, 8 * REGBYTES(t0)

-	STORE	x10, 9 * REGBYTES(t0)

-	STORE	x11, 10 * REGBYTES(t0)

-	STORE	x12, 11 * REGBYTES(t0)

-	STORE	x13, 12 * REGBYTES(t0)

-	STORE	x14, 13 * REGBYTES(t0)

-	STORE	x15, 14 * REGBYTES(t0)

-	STORE	x16, 15 * REGBYTES(t0)

-	STORE	x17, 16 * REGBYTES(t0)

-	STORE	x18, 17 * REGBYTES(t0)

-	STORE	x19, 18 * REGBYTES(t0)

-	STORE	x20, 19 * REGBYTES(t0)

-	STORE	x21, 20 * REGBYTES(t0)

-	STORE	x22, 21 * REGBYTES(t0)

-	STORE	x23, 22 * REGBYTES(t0)

-	STORE	x24, 23 * REGBYTES(t0)

-	STORE	x25, 24 * REGBYTES(t0)

-	STORE	x26, 25 * REGBYTES(t0)

-	STORE	x27, 26 * REGBYTES(t0)

-	STORE	x28, 27 * REGBYTES(t0)

-	STORE	x29, 28 * REGBYTES(t0)

-	STORE	x30, 29 * REGBYTES(t0)

-	STORE	x31, 30 * REGBYTES(t0)

-#endif

-	jal		vPortSetupTimer

-	portRESTORE_CONTEXT

-*/

-

-vPortEndScheduler:

-#ifdef __gracefulExit

-	/* Load current context from xStartContext */

-	la		t0, xStartContext

-	LOAD	x1, 0x0(t0)

-	LOAD	x2, 1 * REGBYTES(t0)

-	LOAD	x3, 2 * REGBYTES(t0)

-	LOAD	x4, 3 * REGBYTES(t0)

-	LOAD	x5, 4 * REGBYTES(t0)

-	LOAD	x6, 5 * REGBYTES(t0)

-	LOAD	x7, 6 * REGBYTES(t0)

-	LOAD	x8, 7 * REGBYTES(t0)

-	LOAD	x9, 8 * REGBYTES(t0)

-	LOAD	x10, 9 * REGBYTES(t0)

-	LOAD	x11, 10 * REGBYTES(t0)

-	LOAD	x12, 11 * REGBYTES(t0)

-	LOAD	x13, 12 * REGBYTES(t0)

-	LOAD	x14, 13 * REGBYTES(t0)

-	LOAD	x15, 14 * REGBYTES(t0)

-	LOAD	x16, 15 * REGBYTES(t0)

-	LOAD	x17, 16 * REGBYTES(t0)

-	LOAD	x18, 17 * REGBYTES(t0)

-	LOAD	x19, 18 * REGBYTES(t0)

-	LOAD	x20, 19 * REGBYTES(t0)

-	LOAD	x21, 20 * REGBYTES(t0)

-	LOAD	x22, 21 * REGBYTES(t0)

-	LOAD	x23, 22 * REGBYTES(t0)

-	LOAD	x24, 23 * REGBYTES(t0)

-	LOAD	x25, 24 * REGBYTES(t0)

-	LOAD	x26, 25 * REGBYTES(t0)

-	LOAD	x27, 26 * REGBYTES(t0)

-	LOAD	x28, 27 * REGBYTES(t0)

-	LOAD	x29, 28 * REGBYTES(t0)

-	LOAD	x30, 39 * REGBYTES(t0)

-	LOAD	x31, 30 * REGBYTES(t0)

-#endif

-	ret

-

diff --git a/FreeRTOS/Source/portable/ThirdParty/GCC/RISC-V/portmacro.h b/FreeRTOS/Source/portable/ThirdParty/GCC/RISC-V/portmacro.h
deleted file mode 100644
index e8240ba6c..000000000
--- a/FreeRTOS/Source/portable/ThirdParty/GCC/RISC-V/portmacro.h
+++ /dev/null
@@ -1,169 +0,0 @@
-/*

-    FreeRTOS V8.2.3 - Copyright (C) 2015 Real Time Engineers Ltd.

-    All rights reserved

-

-    VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.

-

-    This file is part of the FreeRTOS distribution and was contributed

-    to the project by Technolution B.V. (www.technolution.nl,

-    freertos-riscv@technolution.eu) under the terms of the FreeRTOS

-    contributors license.

-

-    FreeRTOS is free software; you can redistribute it and/or modify it under

-    the terms of the GNU General Public License (version 2) as published by the

-    Free Software Foundation >>>> AND MODIFIED BY <<<< the FreeRTOS exception.

-

-    ***************************************************************************

-    >>!   NOTE: The modification to the GPL is included to allow you to     !<<

-    >>!   distribute a combined work that includes FreeRTOS without being   !<<

-    >>!   obliged to provide the source code for proprietary components     !<<

-    >>!   outside of the FreeRTOS kernel.                                   !<<

-    ***************************************************************************

-

-    FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY

-    WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS

-    FOR A PARTICULAR PURPOSE.  Full license text is available on the following

-    link: http://www.freertos.org/a00114.html

-

-    ***************************************************************************

-     *                                                                       *

-     *    FreeRTOS provides completely free yet professionally developed,    *

-     *    robust, strictly quality controlled, supported, and cross          *

-     *    platform software that is more than just the market leader, it     *

-     *    is the industry's de facto standard.                               *

-     *                                                                       *

-     *    Help yourself get started quickly while simultaneously helping     *

-     *    to support the FreeRTOS project by purchasing a FreeRTOS           *

-     *    tutorial book, reference manual, or both:                          *

-     *    http://www.FreeRTOS.org/Documentation                              *

-     *                                                                       *

-    ***************************************************************************

-

-    http://www.FreeRTOS.org/FAQHelp.html - Having a problem?  Start by reading

-    the FAQ page "My application does not run, what could be wrong?".  Have you

-    defined configASSERT()?

-

-    http://www.FreeRTOS.org/support - In return for receiving this top quality

-    embedded software for free we request you assist our global community by

-    participating in the support forum.

-

-    http://www.FreeRTOS.org/training - Investing in training allows your team to

-    be as productive as possible as early as possible.  Now you can receive

-    FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers

-    Ltd, and the world's leading authority on the world's leading RTOS.

-

-    http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,

-    including FreeRTOS+Trace - an indispensable productivity tool, a DOS

-    compatible FAT file system, and our tiny thread aware UDP/IP stack.

-

-    http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.

-    Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.

-

-    http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High

-    Integrity Systems ltd. to sell under the OpenRTOS brand.  Low cost OpenRTOS

-    licenses offer ticketed support, indemnification and commercial middleware.

-

-    http://www.SafeRTOS.com - High Integrity Systems also provide a safety

-    engineered and independently SIL3 certified version for use in safety and

-    mission critical applications that require provable dependability.

-

-    1 tab == 4 spaces!

-*/

-

-

-#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 portBASE_TYPE	long

-

-#ifdef __riscv64

-	#define portSTACK_TYPE	uint64_t

-	#define portPOINTER_SIZE_TYPE	uint64_t

-#else

-	#define portSTACK_TYPE	uint32_t

-	#define portPOINTER_SIZE_TYPE	uint32_t

-#endif

-

-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

-#endif

-/*-----------------------------------------------------------*/

-

-/* Architecture specifics. */

-#define portSTACK_GROWTH			( -1 )

-#define portTICK_PERIOD_MS			( ( TickType_t ) (1000 / configTICK_RATE_HZ) )

-#ifdef __riscv64

-	#define portBYTE_ALIGNMENT	8

-#else

-	#define portBYTE_ALIGNMENT	4

-#endif

-#define portCRITICAL_NESTING_IN_TCB					1

-/*-----------------------------------------------------------*/

-

-

-/* Scheduler utilities. */

-extern void vPortYield( void );

-#define portYIELD()					vPortYield()

-/*-----------------------------------------------------------*/

-

-

-/* Critical section management. */

-extern int vPortSetInterruptMask( void );

-extern void vPortClearInterruptMask( int );

-

-extern void vPortEnterCritical( void );

-extern void vPortExitCritical( void );

-

-#define portDISABLE_INTERRUPTS()				__asm volatile 	( "csrc mstatus,8" )

-#define portENABLE_INTERRUPTS()					__asm volatile 	( "csrs mstatus,8" )

-

-#define portENTER_CRITICAL()		vPortEnterCritical()

-#define portEXIT_CRITICAL()			vPortExitCritical()

-

-#define portSET_INTERRUPT_MASK_FROM_ISR()       vPortSetInterruptMask()

-

-#define portCLEAR_INTERRUPT_MASK_FROM_ISR( uxSavedStatusValue )       vPortClearInterruptMask( uxSavedStatusValue )

-

-#define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) vPortYield()

-/*-----------------------------------------------------------*/

-

-/* 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() __asm volatile 	( " nop " )

-

-#ifdef __cplusplus

-}

-#endif

-

-#endif /* PORTMACRO_H */

-