/* | |
* FreeRTOS Kernel V10.0.0 | |
* Copyright (C) 2017 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. If you wish to use our Amazon | |
* FreeRTOS name, please do so in a fair use way that does not cause confusion. | |
* | |
* 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! | |
*/ | |
/* | |
* 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 | |