/*
    FreeRTOS V6.1.1 - Copyright (C) 2011 Real Time Engineers Ltd.

    ***************************************************************************
    *                                                                         *
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    * then take a look at the FreeRTOS books - available as PDF or paperback  *
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    *                  http://www.FreeRTOS.org/Documentation                  *
    *                                                                         *
    * A pdf reference manual is also available.  Both are usually delivered   *
    * to your inbox within 20 minutes to two hours when purchased between 8am *
    * and 8pm GMT (although please allow up to 24 hours in case of            *
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    ***************************************************************************

    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.
    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 and the FreeRTOS license exception along with FreeRTOS; if not it
    can be viewed here: http://www.freertos.org/a00114.html and also obtained
    by writing to Richard Barry, contact details for whom are available on the
    FreeRTOS WEB site.

    1 tab == 4 spaces!

    http://www.FreeRTOS.org - Documentation, latest information, license and
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    http://www.SafeRTOS.com - A version that is certified for use in safety
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*/
#include "msp430.h"
#include "FreeRTOSConfig.h"
#include "data_model.h"

/*
 * The definition of the "register test" tasks, as described at the top of
 * main.c
 */



	IMPORT usRegTest1Counter
	IMPORT usRegTest2Counter
	IMPORT vPortYield
	
	EXPORT vRegTest1Task
	EXPORT vRegTest2Task

	RSEG CODE
	
	EVEN

vRegTest1Task:

	/* Fill each general purpose register with a known value. */
	mov_x	#0x4444, r4
	mov_x	#0x5555, r5
	mov_x	#0x6666, r6
	mov_x	#0x7777, r7
	mov_x	#0x8888, r8
	mov_x	#0x9999, r9
	mov_x	#0xaaaa, r10
	mov_x	#0xbbbb, r11
	mov_x	#0xcccc, r12
	mov_x	#0xdddd, r13
	mov_x	#0xeeee, r14
	mov_x	#0xffff, r15
	
prvRegTest1Loop:

	/* Test each general purpose register to check that it still contains the
	expected known value, jumping to vRegTest1Error if any register contains
	an unexpected value. */
	cmp_x	#0x4444, r4
	jne		vRegTest1Error
	cmp_x	#0x5555, r5
	jne		vRegTest1Error
	cmp_x	#0x6666, r6
	jne		vRegTest1Error
	cmp_x	#0x7777, r7
	jne		vRegTest1Error
	cmp_x	#0x8888, r8
	jne		vRegTest1Error
	cmp_x	#0x9999, r9
	jne		vRegTest1Error
	cmp_x	#0xaaaa, r10
	jne		vRegTest1Error
	cmp_x	#0xbbbb, r11
	jne		vRegTest1Error
	cmp_x	#0xcccc, r12
	jne		vRegTest1Error
	cmp_x	#0xdddd, r13
	jne		vRegTest1Error
	cmp_x	#0xeeee, r14
	jne		vRegTest1Error
	cmp_x	#0xffff, r15
	jne		vRegTest1Error
	
	/* This task is still running without jumping to vRegTest1Error, so increment
	the loop counter so the check task knows the task is running error free. */
	incx.w	&usRegTest1Counter
	
	/* Loop again, performing the same tests. */
	jmp		prvRegTest1Loop
	nop

	
	EVEN
	
vRegTest1Error:
	jmp vRegTest1Error
	nop
	
/*-----------------------------------------------------------*/

/* See the comments in vRegTest1Task.  This task is the same, it just uses
different values in its registers. */
vRegTest2Task:

	mov_x	#0x4441, r4
	mov_x	#0x5551, r5
	mov_x	#0x6661, r6
	mov_x	#0x7771, r7
	mov_x	#0x8881, r8
	mov_x	#0x9991, r9
	mov_x	#0xaaa1, r10
	mov_x	#0xbbb1, r11
	mov_x	#0xccc1, r12
	mov_x	#0xddd1, r13
	mov_x	#0xeee1, r14
	mov_x	#0xfff1, r15
	
prvRegTest2Loop:

	cmp_x	#0x4441, r4
	jne		vRegTest2Error
	cmp_x	#0x5551, r5
	jne		vRegTest2Error
	cmp_x	#0x6661, r6
	jne		vRegTest2Error
	cmp_x	#0x7771, r7
	jne		vRegTest2Error
	cmp_x	#0x8881, r8
	jne		vRegTest2Error
	cmp_x	#0x9991, r9
	jne		vRegTest2Error
	cmp_x	#0xaaa1, r10
	jne		vRegTest2Error
	cmp_x	#0xbbb1, r11
	jne		vRegTest2Error
	cmp_x	#0xccc1, r12
	jne		vRegTest2Error
	cmp_x	#0xddd1, r13
	jne		vRegTest2Error
	cmp_x	#0xeee1, r14
	jne		vRegTest2Error
	cmp_x	#0xfff1, r15
	jne		vRegTest2Error
	
	/* Also perform a manual yield, just to increase the scope of the test. */
	calla 	#vPortYield
	
	incx.w	&usRegTest2Counter
	jmp		prvRegTest2Loop
	nop

	
vRegTest2Error:
	jmp vRegTest2Error
	nop
/*-----------------------------------------------------------*/

     		
	END