;/* | |
; * FreeRTOS Kernel V10.3.0 | |
; * Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved. | |
; * | |
; * Permission is hereby granted, free of charge, to any person obtaining a copy of | |
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; * the Software without restriction, including without limitation the rights to | |
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; * 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 | |
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; * | |
; * 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 | |
; | |
;------------------------------------------------------------------------------ | |
#if __CORE__ != __78K0R__ | |
#error "This file is only for 78K0R Devices" | |
#endif | |
; Functions implemented in this file | |
;------------------------------------------------------------------------------ | |
PUBLIC vRegTest1 | |
PUBLIC vRegTest2 | |
; Functions used by this file | |
;------------------------------------------------------------------------------ | |
EXTERN vRegTestError | |
;------------------------------------------------------------------------------ | |
; 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. | |
; | |
; Input: NONE | |
; | |
; Call: Created as a task. | |
; | |
; Output: NONE | |
; | |
;------------------------------------------------------------------------------ | |
RSEG CODE:CODE | |
vRegTest1: | |
; First fill the registers. | |
MOVW AX, #0x1122 | |
MOVW BC, #0x3344 | |
MOVW DE, #0x5566 | |
MOVW HL, #0x7788 | |
MOV CS, #0x01 | |
#if configMEMORY_MODE == 1 | |
; ES is not saved or restored when using the near memory model so only | |
; test it when using the far model. | |
MOV ES, #0x02 | |
#endif | |
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 | |
MOV A, CS | |
CMP A, #0x01 | |
BZ +5 | |
BR vRegTestError | |
#if configMEMORY_MODE == 1 | |
; ES is not saved or restored when using the near memory model so only | |
; test it when using the far model. | |
MOV A, ES | |
CMP A, #0x02 | |
BZ +5 | |
BR vRegTestError | |
#endif | |
MOVW AX, #0x1122 | |
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. | |
; | |
; Input: NONE | |
; | |
; Call: Created as a task. | |
; | |
; Output: NONE | |
; | |
;------------------------------------------------------------------------------ | |
RSEG CODE:CODE | |
vRegTest2: | |
MOVW AX, #0x99aa | |
MOVW BC, #0xbbcc | |
MOVW DE, #0xddee | |
MOVW HL, #0xff12 | |
MOV CS, #0x03 | |
#if configMEMORY_MODE == 1 | |
MOV ES, #0x04 | |
#endif | |
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 | |
MOV A, CS | |
CMP A, #0x03 | |
BZ +5 | |
BR vRegTestError | |
#if configMEMORY_MODE == 1 | |
MOV A, ES | |
CMP A, #0x04 | |
BZ +5 | |
BR vRegTestError | |
#endif | |
MOVW AX, #0x99aa | |
BR loop2 | |
END |