/* | |
FreeRTOS V5.4.1 - Copyright (C) 2009 Real Time Engineers Ltd. | |
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 exception 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. | |
Alternative commercial license and support terms are also available upon | |
request. See the licensing section of http://www.FreeRTOS.org for full | |
license details. | |
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 along | |
with FreeRTOS; if not, write to the Free Software Foundation, Inc., 59 | |
Temple Place, Suite 330, Boston, MA 02111-1307 USA. | |
*************************************************************************** | |
* * | |
* Looking for a quick start? Then check out the FreeRTOS eBook! * | |
* See http://www.FreeRTOS.org/Documentation for details * | |
* * | |
*************************************************************************** | |
1 tab == 4 spaces! | |
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 | |