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193 lines
5.4 KiB
Plaintext
193 lines
5.4 KiB
Plaintext
;/*
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; FreeRTOS V5.4.2 - Copyright (C) 2009 Real Time Engineers Ltd.
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;
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; This file is part of the FreeRTOS distribution.
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;
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; FreeRTOS is free software; you can redistribute it and/or modify it under
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; the terms of the GNU General Public License (version 2) as published by the
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; Free Software Foundation and modified by the FreeRTOS exception.
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; **NOTE** The exception to the GPL is included to allow you to distribute a
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; combined work that includes FreeRTOS without being obliged to provide the
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; source code for proprietary components outside of the FreeRTOS kernel.
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; Alternative commercial license and support terms are also available upon
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; request. See the licensing section of http://www.FreeRTOS.org for full
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; license details.
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;
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; FreeRTOS is distributed in the hope that it will be useful, but WITHOUT
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; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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; more details.
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;
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; You should have received a copy of the GNU General Public License along
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; with FreeRTOS; if not, write to the Free Software Foundation, Inc., 59
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; Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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;
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;
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; ***************************************************************************
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; * *
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; * Looking for a quick start? Then check out the FreeRTOS eBook! *
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; * See http://www.FreeRTOS.org/Documentation for details *
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; * *
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; ***************************************************************************
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;
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; 1 tab == 4 spaces!
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;
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; Please ensure to read the configuration and relevant port sections of the
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; online documentation.
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;
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; http://www.FreeRTOS.org - Documentation, latest information, license and
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; contact details.
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;
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; http://www.SafeRTOS.com - A version that is certified for use in safety
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; critical systems.
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;
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; http://www.OpenRTOS.com - Commercial support, development, porting,
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; licensing and training services.
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;*/
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;
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; This file defines the RegTest tasks as described at the top of main.c
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;
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;------------------------------------------------------------------------------
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#if __CORE__ != __78K0R__
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#error "This file is only for 78K0R Devices"
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#endif
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; Functions implemented in this file
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;------------------------------------------------------------------------------
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PUBLIC vRegTest1
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PUBLIC vRegTest2
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; Functions used by this file
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;------------------------------------------------------------------------------
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EXTERN vRegTestError
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;------------------------------------------------------------------------------
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; Fill all the registers with known values, then check that the registers
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; contain the expected value. An incorrect value being indicative of an
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; error in the context switch mechanism.
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;
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; Input: NONE
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;
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; Call: Created as a task.
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;
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; Output: NONE
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;
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;------------------------------------------------------------------------------
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RSEG CODE:CODE
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vRegTest1:
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; First fill the registers.
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MOVW AX, #0x1122
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MOVW BC, #0x3344
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MOVW DE, #0x5566
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MOVW HL, #0x7788
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MOV CS, #0x01
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#if configMEMORY_MODE == 1
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; ES is not saved or restored when using the near memory model so only
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; test it when using the far model.
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MOV ES, #0x02
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#endif
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loop1:
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; Continuously check that the register values remain at their expected
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; values. The BRK is to test the yield. This task runs at low priority
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; so will also regularly get preempted.
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BRK
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; Compare with the expected value.
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CMPW AX, #0x1122
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BZ +5
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; Jump over the branch to vRegTestError() if the register contained the
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; expected value - otherwise flag an error by executing vRegTestError().
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BR vRegTestError
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; Repeat for all the registers.
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MOVW AX, BC
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CMPW AX, #0x3344
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BZ +5
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BR vRegTestError
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MOVW AX, DE
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CMPW AX, #0x5566
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BZ +5
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BR vRegTestError
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MOVW AX, HL
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CMPW AX, #0x7788
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BZ +5
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BR vRegTestError
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MOV A, CS
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CMP A, #0x01
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BZ +5
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BR vRegTestError
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#if configMEMORY_MODE == 1
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; ES is not saved or restored when using the near memory model so only
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; test it when using the far model.
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MOV A, ES
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CMP A, #0x02
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BZ +5
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BR vRegTestError
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#endif
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MOVW AX, #0x1122
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BR loop1
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;------------------------------------------------------------------------------
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; Fill all the registers with known values, then check that the registers
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; contain the expected value. An incorrect value being indicative of an
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; error in the context switch mechanism.
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;
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; Input: NONE
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;
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; Call: Created as a task.
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;
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; Output: NONE
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;
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;------------------------------------------------------------------------------
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RSEG CODE:CODE
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vRegTest2:
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MOVW AX, #0x99aa
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MOVW BC, #0xbbcc
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MOVW DE, #0xddee
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MOVW HL, #0xff12
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MOV CS, #0x03
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#if configMEMORY_MODE == 1
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MOV ES, #0x04
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#endif
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loop2:
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CMPW AX, #0x99aa
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BZ +5
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BR vRegTestError
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MOVW AX, BC
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CMPW AX, #0xbbcc
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BZ +5
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BR vRegTestError
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MOVW AX, DE
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CMPW AX, #0xddee
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BZ +5
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BR vRegTestError
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MOVW AX, HL
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CMPW AX, #0xff12
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BZ +5
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BR vRegTestError
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MOV A, CS
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CMP A, #0x03
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BZ +5
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BR vRegTestError
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#if configMEMORY_MODE == 1
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MOV A, ES
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CMP A, #0x04
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BZ +5
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BR vRegTestError
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#endif
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MOVW AX, #0x99aa
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BR loop2
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END
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