/* | |
FreeRTOS.org V5.1.2 - Copyright (C) 2003-2009 Richard Barry. | |
This file is part of the FreeRTOS.org distribution. | |
FreeRTOS.org is free software; you can redistribute it and/or modify | |
it under the terms of the GNU General Public License as published by | |
the Free Software Foundation; either version 2 of the License, or | |
(at your option) any later version. | |
FreeRTOS.org 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 | |
along with FreeRTOS.org; if not, write to the Free Software | |
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
A special exception to the GPL can be applied should you wish to distribute | |
a combined work that includes FreeRTOS.org, without being obliged to provide | |
the source code for any proprietary components. See the licensing section | |
of http://www.FreeRTOS.org for full details of how and when the exception | |
can be applied. | |
*************************************************************************** | |
*************************************************************************** | |
* * | |
* Get the FreeRTOS eBook! See http://www.FreeRTOS.org/Documentation * | |
* * | |
* This is a concise, step by step, 'hands on' guide that describes both * | |
* general multitasking concepts and FreeRTOS specifics. It presents and * | |
* explains numerous examples that are written using the FreeRTOS API. * | |
* Full source code for all the examples is provided in an accompanying * | |
* .zip file. * | |
* * | |
*************************************************************************** | |
*************************************************************************** | |
Please ensure to read the configuration and relevant port sections of the | |
online documentation. | |
http://www.FreeRTOS.org - Documentation, latest information, license and | |
contact details. | |
http://www.SafeRTOS.com - A version that is certified for use in safety | |
critical systems. | |
http://www.OpenRTOS.com - Commercial support, development, porting, | |
licensing and training services. | |
*/ | |
#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 | |