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178 lines
4.9 KiB
Plaintext
178 lines
4.9 KiB
Plaintext
; FreeRTOS.org V5.1.1 - Copyright (C) 2003-2008 Richard Barry.
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;
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; This file is part of the FreeRTOS.org distribution.
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;
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; FreeRTOS.org is free software; you can redistribute it and/or modify
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; it under the terms of the GNU General Public License as published by
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; the Free Software Foundation; either version 2 of the License, or
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; (at your option) any later version.
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;
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; FreeRTOS.org is distributed in the hope that it will be useful,
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; but WITHOUT ANY WARRANTY; without even the implied warranty of
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; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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; GNU General Public License for more details.
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;
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; You should have received a copy of the GNU General Public License
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; along with FreeRTOS.org; if not, write to the Free Software
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; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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;
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; A special exception to the GPL can be applied should you wish to distribute
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; a combined work that includes FreeRTOS.org, without being obliged to provide
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; the source code for any proprietary components. See the licensing section
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; of http://www.FreeRTOS.org for full details of how and when the exception
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; can be applied.
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;
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; ***************************************************************************
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; See http://www.FreeRTOS.org for documentation, latest information, license
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; and contact details. Please ensure to read the configuration and relevant
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; port sections of the online documentation.
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; ***************************************************************************
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;
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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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