blob: 00fc7187c1c49a75e330059fb8ef4bba2226ae43 [file] [log] [blame]
/*
* FreeRTOS Kernel V10.0.1
* 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.
*
* 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