| /* | |
| FreeRTOS V7.2.0 - Copyright (C) 2012 Real Time Engineers Ltd. | |
| *************************************************************************** | |
| * * | |
| * FreeRTOS tutorial books are available in pdf and paperback. * | |
| * Complete, revised, and edited pdf reference manuals are also * | |
| * available. * | |
| * * | |
| * Purchasing FreeRTOS documentation will not only help you, by * | |
| * ensuring you get running as quickly as possible and with an * | |
| * in-depth knowledge of how to use FreeRTOS, it will also help * | |
| * the FreeRTOS project to continue with its mission of providing * | |
| * professional grade, cross platform, de facto standard solutions * | |
| * for microcontrollers - completely free of charge! * | |
| * * | |
| * >>> See http://www.FreeRTOS.org/Documentation for details. <<< * | |
| * * | |
| * Thank you for using FreeRTOS, and thank you for your support! * | |
| * * | |
| *************************************************************************** | |
| 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. See the GNU General Public License for | |
| more details. You should have received a copy of the GNU General Public | |
| License and the FreeRTOS license exception along with FreeRTOS; if not it | |
| can be viewed here: http://www.freertos.org/a00114.html and also obtained | |
| by writing to Richard Barry, contact details for whom are available on the | |
| FreeRTOS WEB site. | |
| 1 tab == 4 spaces! | |
| *************************************************************************** | |
| * * | |
| * Having a problem? Start by reading the FAQ "My application does * | |
| * not run, what could be wrong? * | |
| * * | |
| * http://www.FreeRTOS.org/FAQHelp.html * | |
| * * | |
| *************************************************************************** | |
| http://www.FreeRTOS.org - Documentation, training, latest information, | |
| license and contact details. | |
| http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products, | |
| including FreeRTOS+Trace - an indispensable productivity tool. | |
| Real Time Engineers ltd license FreeRTOS to High Integrity Systems, who sell | |
| the code with commercial support, indemnification, and middleware, under | |
| the OpenRTOS brand: http://www.OpenRTOS.com. High Integrity Systems also | |
| provide a safety engineered and independently SIL3 certified version under | |
| the SafeRTOS brand: http://www.SafeRTOS.com. | |
| */ | |
| #ifndef PORT_ASM_H | |
| #define PORT_ASM_H | |
| portSAVE_CONTEXT macro | |
| /* Save the remaining registers. */ | |
| push r4 | |
| push r5 | |
| push r6 | |
| push r7 | |
| push r8 | |
| push r9 | |
| push r10 | |
| push r11 | |
| push r12 | |
| push r13 | |
| push r14 | |
| push r15 | |
| mov.w &_usCriticalNesting, r14 | |
| push r14 | |
| mov.w &_pxCurrentTCB, r12 | |
| mov.w r1, @r12 | |
| endm | |
| /*-----------------------------------------------------------*/ | |
| portRESTORE_CONTEXT macro | |
| mov.w &_pxCurrentTCB, r12 | |
| mov.w @r12, r1 | |
| pop r15 | |
| mov.w r15, &_usCriticalNesting | |
| pop r15 | |
| pop r14 | |
| pop r13 | |
| pop r12 | |
| pop r11 | |
| pop r10 | |
| pop r9 | |
| pop r8 | |
| pop r7 | |
| pop r6 | |
| pop r5 | |
| pop r4 | |
| /* The last thing on the stack will be the status register. | |
| Ensure the power down bits are clear ready for the next | |
| time this power down register is popped from the stack. */ | |
| bic.w #0xf0,0(SP) | |
| reti | |
| endm | |
| /*-----------------------------------------------------------*/ | |
| #endif | |