blob: 8b1b9a0bd18c682cc9764e2aeb3ee9eae9af85db [file] [log] [blame]
;/*
; FreeRTOS V6.1.0 - Copyright (C) 2010 Real Time Engineers Ltd.
;
; ***************************************************************************
; * *
; * If you are: *
; * *
; * + New to FreeRTOS, *
; * + Wanting to learn FreeRTOS or multitasking in general quickly *
; * + Looking for basic training, *
; * + Wanting to improve your FreeRTOS skills and productivity *
; * *
; * then take a look at the FreeRTOS books - available as PDF or paperback *
; * *
; * "Using the FreeRTOS Real Time Kernel - a Practical Guide" *
; * http://www.FreeRTOS.org/Documentation *
; * *
; * A pdf reference manual is also available. Both are usually delivered *
; * to your inbox within 20 minutes to two hours when purchased between 8am *
; * and 8pm GMT (although please allow up to 24 hours in case of *
; * exceptional circumstances). 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 exception 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 it
; can be viewed here: http://www.freertos.org/a00114.html and also obtained
; by writing to Richard Barry, contact details for whom are available on the
; FreeRTOS WEB site.
;
; 1 tab == 4 spaces!
;
; http://www.FreeRTOS.org - Documentation, latest information, license and
; contact details.
;
; http://www.SafeRTOS.com - A version that is certified for use in safety
; critical systems.
;
; http://www.OpenRTOS.com - Commercial support, development, porting,
; licensing and training services.
;*/
;
; 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