/* FreeRTOS V8.2.0rc1 - Copyright (C) 2014 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. 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 1 tab == 4 spaces! *************************************************************************** * * * Having a problem? Start by reading the FAQ "My application does * * not run, what could be wrong?". Have you defined configASSERT()? * * * * http://www.FreeRTOS.org/FAQHelp.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 * * * *************************************************************************** *************************************************************************** * * * Investing in training allows your team to be as productive as * * possible as early as possible, lowering your overall development * * cost, and enabling you to bring a more robust product to market * * earlier than would otherwise be possible. Richard Barry is both * * the architect and key author of FreeRTOS, and so also the world's * * leading authority on what is the world's most popular real time * * kernel for deeply embedded MCU designs. Obtaining your training * * from Richard ensures your team will gain directly from his in-depth * * product knowledge and years of usage experience. Contact Real Time * * Engineers Ltd to enquire about the FreeRTOS Masterclass, presented * * by Richard Barry: http://www.FreeRTOS.org/contact * * *************************************************************************** *************************************************************************** * * * You are receiving this top quality software for free. Please play * * fair and reciprocate by reporting any suspected issues and * * participating in the community forum: * * http://www.FreeRTOS.org/support * * * * Thank you! * * * *************************************************************************** http://www.FreeRTOS.org - Documentation, books, training, latest versions, license and Real Time Engineers Ltd. contact details. 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! */ #if defined( __dsPIC30F__ ) || defined( __dsPIC33F__ ) .global _vPortYield .extern _vTaskSwitchContext .extern uxCriticalNesting _vPortYield: PUSH SR /* Save the SR used by the task.... */ PUSH W0 /* ....then disable interrupts. */ MOV #32, W0 MOV W0, SR PUSH W1 /* Save registers to the stack. */ PUSH.D W2 PUSH.D W4 PUSH.D W6 PUSH.D W8 PUSH.D W10 PUSH.D W12 PUSH W14 PUSH RCOUNT PUSH TBLPAG PUSH ACCAL PUSH ACCAH PUSH ACCAU PUSH ACCBL PUSH ACCBH PUSH ACCBU PUSH DCOUNT PUSH DOSTARTL PUSH DOSTARTH PUSH DOENDL PUSH DOENDH PUSH CORCON PUSH PSVPAG MOV _uxCriticalNesting, W0 /* Save the critical nesting counter for the task. */ PUSH W0 MOV _pxCurrentTCB, W0 /* Save the new top of stack into the TCB. */ MOV W15, [W0] call _vTaskSwitchContext MOV _pxCurrentTCB, W0 /* Restore the stack pointer for the task. */ MOV [W0], W15 POP W0 /* Restore the critical nesting counter for the task. */ MOV W0, _uxCriticalNesting POP PSVPAG POP CORCON POP DOENDH POP DOENDL POP DOSTARTH POP DOSTARTL POP DCOUNT POP ACCBU POP ACCBH POP ACCBL POP ACCAU POP ACCAH POP ACCAL POP TBLPAG POP RCOUNT /* Restore the registers from the stack. */ POP W14 POP.D W12 POP.D W10 POP.D W8 POP.D W6 POP.D W4 POP.D W2 POP.D W0 POP SR return .end #endif /* defined( __dsPIC30F__ ) || defined( __dsPIC33F__ ) */