/* | |
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 | |