/* | |
FreeRTOS V7.6.0 - Copyright (C) 2013 Real Time Engineers Ltd. | |
All rights reserved | |
VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION. | |
*************************************************************************** | |
* * | |
* FreeRTOS provides completely free yet professionally developed, * | |
* robust, strictly quality controlled, supported, and cross * | |
* platform software that has become a de facto standard. * | |
* * | |
* Help yourself get started quickly and support the FreeRTOS * | |
* project by purchasing a FreeRTOS tutorial book, reference * | |
* manual, or both from: http://www.FreeRTOS.org/Documentation * | |
* * | |
* Thank you! * | |
* * | |
*************************************************************************** | |
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 from 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?" * | |
* * | |
* http://www.FreeRTOS.org/FAQHelp.html * | |
* * | |
*************************************************************************** | |
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.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High | |
Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS | |
licenses offer ticketed support, indemnification and 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 PORTASM_H | |
#define PORTASM_H | |
portSAVE_CONTEXT macro | |
IMPORT pxCurrentTCB | |
IMPORT usCriticalNesting | |
/* 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, 0(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 | |