/*
 * FreeRTOS Kernel V10.3.0
 * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 * the Software, and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 * http://www.FreeRTOS.org
 * http://aws.amazon.com/freertos
 *
 * 1 tab == 4 spaces!
 */
#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