/*
    FreeRTOS V7.5.0 - Copyright (C) 2013 Real Time Engineers Ltd.

    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