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/*
FreeRTOS V7.4.0 - Copyright (C) 2013 Real Time Engineers Ltd.
FEATURES AND PORTS ARE ADDED TO FREERTOS ALL THE TIME. PLEASE VISIT
http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
***************************************************************************
* *
* FreeRTOS tutorial books are available in pdf and paperback. *
* Complete, revised, and edited pdf reference manuals are also *
* available. *
* *
* Purchasing FreeRTOS documentation will not only help you, by *
* ensuring you get running as quickly as possible and with an *
* in-depth knowledge of how to use FreeRTOS, it will also help *
* the FreeRTOS project to continue with its mission of providing *
* professional grade, cross platform, de facto standard solutions *
* for microcontrollers - completely free of charge! *
* *
* >>> See http://www.FreeRTOS.org/Documentation for details. <<< *
* *
* Thank you for using FreeRTOS, and 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 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. 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 itcan be
viewed here: http://www.freertos.org/a00114.html and also obtained by
writing to Real Time Engineers Ltd., contact details for whom are available
on the FreeRTOS WEB site.
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, and our new
fully thread aware and reentrant UDP/IP stack.
http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
Integrity Systems, who sell the code with commercial support,
indemnification and middleware, under the OpenRTOS brand.
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.
*/
/*
* This file defines the RegTest tasks as described at the top of main.c
*/
.global _vRegTest1Task
.short _vRegTest1Task
.global _vRegTest2Task
.short _vRegTest2Task
.extern _vRegTestError
.extern _usRegTest1LoopCounter
.extern _usRegTest2LoopCounter
.text
/*
* Fill all the registers with known values, then check that the registers
* contain the expected value. An incorrect value being indicative of an
* error in the context switch mechanism.
*/
_vRegTest1Task:
/* First fill the registers. */
SEL RB0
MOVW AX, #0x1122
MOVW BC, #0x3344
MOVW DE, #0x5566
MOVW HL, #0x7788
SEL RB1
MOVW AX, #0x1111
MOVW BC, #0x2222
MOVW DE, #0x3333
MOVW HL, #0x4444
SEL RB2
MOVW AX, #0x5555
MOVW BC, #0x6666
MOVW DE, #0x7777
MOVW HL, #0x8888
/* Register bank 3 is not used outside of interrupts so is not saved as part
of the task context. */
SEL RB0
_loop1:
/* Continuously check that the register values remain at their expected
values. The BRK is to test the yield. This task runs at low priority
so will also regularly get preempted. */
BRK
/* Compare with the expected value. */
CMPW AX, #0x1122
BZ $.+5
/* Jump over the branch to vRegTestError() if the register contained the
expected value - otherwise flag an error by executing vRegTestError(). */
BR !!_vRegTestError
/* Repeat for all the registers. */
MOVW AX, BC
CMPW AX, #0x3344
BZ $.+5
BR !!_vRegTestError
MOVW AX, DE
CMPW AX, #0x5566
BZ $.+5
BR !!_vRegTestError
MOVW AX, HL
CMPW AX, #0x7788
BZ $.+5
BR !!_vRegTestError
/* Set AX back to its initial value. */
MOVW AX, #0x1122
SEL RB1
CMPW AX, #0x1111
BZ $.+5
BR !!_vRegTestError
MOVW AX, BC
CMPW AX, #0x2222
BZ $.+5
BR !!_vRegTestError
MOVW AX, DE
CMPW AX, #0x3333
BZ $.+5
BR !!_vRegTestError
MOVW AX, HL
CMPW AX, #0x4444
BZ $.+5
BR !!_vRegTestError
MOVW AX, #0x1111
SEL RB2
CMPW AX, #0x5555
BZ $.+5
BR !!_vRegTestError
MOVW AX, BC
CMPW AX, #0x6666
BZ $.+5
BR !!_vRegTestError
MOVW AX, DE
CMPW AX, #0x7777
BZ $.+5
BR !!_vRegTestError
MOVW AX, HL
CMPW AX, #0x8888
BZ $.+5
BR !!_vRegTestError
MOVW AX, #0x5555
/* Register bank 3 is not used outside of interrupts so is not saved as
part of the task context. */
SEL RB0
/* Indicate that this task is still cycling. */
INCW !_usRegTest1LoopCounter
BR !!_loop1
/*
* Fill all the registers with known values, then check that the registers
* contain the expected value. An incorrect value being indicative of an
* error in the context switch mechanism.
*/
_vRegTest2Task:
SEL RB0
MOVW AX, #0x99aa
MOVW BC, #0xbbcc
MOVW DE, #0xddee
MOVW HL, #0xff12
SEL RB1
MOVW AX, #0x0110
MOVW BC, #0x0220
MOVW DE, #0x0330
MOVW HL, #0x0440
SEL RB2
MOVW AX, #0x0550
MOVW BC, #0x0660
MOVW DE, #0x0770
MOVW HL, #0x0880
/* Register bank 3 is not used outside of interrupts so is not saved as
part of the task context. */
SEL RB0
_loop2:
CMPW AX, #0x99aa
BZ $.+5
BR !!_vRegTestError
MOVW AX, BC
CMPW AX, #0xbbcc
BZ $.+5
BR !!_vRegTestError
MOVW AX, DE
CMPW AX, #0xddee
BZ $.+5
BR !!_vRegTestError
MOVW AX, HL
CMPW AX, #0xff12
BZ $.+5
BR !!_vRegTestError
MOVW AX, #0x99aa
SEL RB1
CMPW AX, #0x0110
BZ $.+5
BR !!_vRegTestError
MOVW AX, BC
CMPW AX, #0x0220
BZ $.+5
BR !!_vRegTestError
MOVW AX, DE
CMPW AX, #0x0330
BZ $.+5
BR !!_vRegTestError
MOVW AX, HL
CMPW AX, #0x0440
BZ $.+5
BR !!_vRegTestError
MOVW AX, #0x0110
SEL RB2
CMPW AX, #0x0550
BZ $.+5
BR !!_vRegTestError
MOVW AX, BC
CMPW AX, #0x0660
BZ $.+5
BR !!_vRegTestError
MOVW AX, DE
CMPW AX, #0x0770
BZ $.+5
BR !!_vRegTestError
MOVW AX, HL
CMPW AX, #0x0880
BZ $.+5
BR !!_vRegTestError
MOVW AX, #0x0550
/* Register bank 3 is not used outside of interrupts so is not saved as
part of the task context. */
SEL RB0
/* Indicate that this task is still cycling. */
INCW !_usRegTest2LoopCounter
BR !!_loop2
.end