/* 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