/* FreeRTOS V7.4.0 - Copyright (C) 2013 Real Time Engineers Ltd. FEATURES AND PORTS ARE ADDED TO FREERTOS ALL THE TIME. PLEASE VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION. *************************************************************************** * * * FreeRTOS tutorial books are available in pdf and paperback. * * Complete, revised, and edited pdf reference manuals are also * * available. * * * * Purchasing FreeRTOS documentation will not only help you, by * * ensuring you get running as quickly as possible and with an * * in-depth knowledge of how to use FreeRTOS, it will also help * * the FreeRTOS project to continue with its mission of providing * * professional grade, cross platform, de facto standard solutions * * for microcontrollers - completely free of charge! * * * * >>> See http://www.FreeRTOS.org/Documentation for details. <<< * * * * Thank you for using FreeRTOS, and 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 modification 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 itcan be viewed here: http://www.freertos.org/a00114.html and also obtained by writing to Real Time Engineers Ltd., contact details for whom are available on the FreeRTOS WEB site. 1 tab == 4 spaces! *************************************************************************** * * * Having a problem? Start by reading the FAQ "My application does * * not run, what could be wrong?" * * * * http://www.FreeRTOS.org/FAQHelp.html * * * *************************************************************************** http://www.FreeRTOS.org - Documentation, books, training, latest versions, license and Real Time Engineers Ltd. contact details. http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products, including FreeRTOS+Trace - an indispensable productivity tool, and our new fully thread aware and reentrant UDP/IP stack. http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High Integrity Systems, who sell the code with commercial support, indemnification and middleware, under the OpenRTOS brand. http://www.SafeRTOS.com - High Integrity Systems also provide a safety engineered and independently SIL3 certified version for use in safety and mission critical applications that require provable dependability. */ /* * 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