FreeRTOS-Kernel/FreeRTOS/Demo/RX600_RX62N-RSK_IAR/RegTest.s

/*
 * FreeRTOS Kernel V10.0.0
 * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 *
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 *
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 */

	PUBLIC _prvRegTest1Implementation
	PUBLIC _prvRegTest2Implementation
	
	EXTERN _ulRegTest1CycleCount
	EXTERN _ulRegTest2CycleCount

	RSEG CODE:CODE(4)

/* This function is explained in the comments at the top of main.c. */
_prvRegTest1Implementation:

	/* Put a known value in each register. */
	MOV	#1, R1						
	MOV	#2, R2						
	MOV	#3, R3						
	MOV	#4, R4						
	MOV	#5, R5						
	MOV	#6, R6						
	MOV	#7, R7						
	MOV	#8, R8						
	MOV	#9, R9						
	MOV	#10, R10					
	MOV	#11, R11					
	MOV	#12, R12					
	MOV	#13, R13					
	MOV	#14, R14					
	MOV	#15, R15					
	
	/* Loop, checking each iteration that each register still contains the
	expected value. */
TestLoop1:								

	/* Push the registers that are going to get clobbered. */
	PUSHM	R14-R15						
	
	/* Increment the loop counter to show this task is still getting CPU time. */
	MOV	#_ulRegTest1CycleCount, R14	
	MOV	[ R14 ], R15				
	ADD	#1, R15						
	MOV	R15, [ R14 ]				
	
	/* Yield to extend the text coverage.  Set the bit in the ITU SWINTR register. */
	MOV	#1, R14						
	MOV 	#0872E0H, R15				
	MOV.B	R14, [R15]					
	NOP								
	NOP								
	
	/* Restore the clobbered registers. */
	POPM	R14-R15						
	
	/* Now compare each register to ensure it still contains the value that was
	set before this loop was entered. */
	CMP	#1, R1						
	BNE	RegTest1Error				
	CMP	#2, R2						
	BNE	RegTest1Error				
	CMP	#3, R3						
	BNE	RegTest1Error				
	CMP	#4, R4						
	BNE	RegTest1Error				
	CMP	#5, R5						
	BNE	RegTest1Error				
	CMP	#6, R6						
	BNE	RegTest1Error				
	CMP	#7, R7						
	BNE	RegTest1Error				
	CMP	#8, R8						
	BNE	RegTest1Error				
	CMP	#9, R9						
	BNE	RegTest1Error				
	CMP	#10, R10					
	BNE	RegTest1Error				
	CMP	#11, R11					
	BNE	RegTest1Error				
	CMP	#12, R12					
	BNE	RegTest1Error				
	CMP	#13, R13					
	BNE	RegTest1Error				
	CMP	#14, R14					
	BNE	RegTest1Error				
	CMP	#15, R15					
	BNE	RegTest1Error				

	/* All comparisons passed, start a new itteratio of this loop. */
	BRA		TestLoop1				
	
RegTest1Error:							
	/* A compare failed, just loop here so the loop counter stops incrementing
	- causing the check task to indicate the error. */
	BRA RegTest1Error					
/*-----------------------------------------------------------*/

/* This function is explained in the comments at the top of main.c. */
_prvRegTest2Implementation:

	/* Put a known value in each register. */
	MOV	#10H, R1					
	MOV	#20H, R2					
	MOV	#30H, R3					
	MOV	#40H, R4					
	MOV	#50H, R5					
	MOV	#60H, R6					
	MOV	#70H, R7					
	MOV	#80H, R8					
	MOV	#90H, R9					
	MOV	#100H, R10					
	MOV	#110H, R11					
	MOV	#120H, R12					
	MOV	#130H, R13					
	MOV	#140H, R14					
	MOV	#150H, R15					
	
	/* Loop, checking each iteration that each register still contains the
	expected value. */
TestLoop2:								

	/* Push the registers that are going to get clobbered. */
	PUSHM	R14-R15						
	
	/* Increment the loop counter to show this task is still getting CPU time. */
	MOV	#_ulRegTest2CycleCount, R14	
	MOV	[ R14 ], R15				
	ADD	#1, R15						
	MOV	R15, [ R14 ]				
	
	/* Restore the clobbered registers. */
	POPM	R14-R15						
	
	/* Now compare each register to ensure it still contains the value that was
	set before this loop was entered. */
	CMP	#10H, R1					
	BNE	RegTest2Error				
	CMP	#20H, R2					
	BNE	RegTest2Error				
	CMP	#30H, R3					
	BNE	RegTest2Error				
	CMP	#40H, R4					
	BNE	RegTest2Error				
	CMP	#50H, R5					
	BNE	RegTest2Error				
	CMP	#60H, R6					
	BNE	RegTest2Error				
	CMP	#70H, R7					
	BNE	RegTest2Error				
	CMP	#80H, R8					
	BNE	RegTest2Error				
	CMP	#90H, R9					
	BNE	RegTest2Error				
	CMP	#100H, R10					
	BNE	RegTest2Error				
	CMP	#110H, R11					
	BNE	RegTest2Error				
	CMP	#120H, R12					
	BNE	RegTest2Error				
	CMP	#130H, R13					
	BNE	RegTest2Error				
	CMP	#140H, R14					
	BNE	RegTest2Error				
	CMP	#150H, R15					
	BNE	RegTest2Error				

	/* All comparisons passed, start a new itteratio of this loop. */
	BRA	TestLoop2					
	
RegTest2Error:							
	/* A compare failed, just loop here so the loop counter stops incrementing
	- causing the check task to indicate the error. */
	BRA RegTest2Error					

	
	END