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

    ***************************************************************************
    *                                                                         *
    * If you are:                                                             *
    *                                                                         *
    *    + New to FreeRTOS,                                                   *
    *    + Wanting to learn FreeRTOS or multitasking in general quickly       *
    *    + Looking for basic training,                                        *
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    *                                                                         *
    * then take a look at the FreeRTOS books - available as PDF or paperback  *
    *                                                                         *
    *        "Using the FreeRTOS Real Time Kernel - a Practical Guide"        *
    *                  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            *
    * exceptional circumstances).  Thank you for your support!                *
    *                                                                         *
    ***************************************************************************

    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
    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.
*/
#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