;/* ; 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