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173 lines
4.6 KiB
Plaintext
173 lines
4.6 KiB
Plaintext
;/*
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; * FreeRTOS Kernel V10.0.1
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; * Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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; *
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; * Permission is hereby granted, free of charge, to any person obtaining a copy of
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; * this software and associated documentation files (the "Software"), to deal in
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; * the Software without restriction, including without limitation the rights to
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; * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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; * the Software, and to permit persons to whom the Software is furnished to do so,
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; * subject to the following conditions:
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; *
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; * The above copyright notice and this permission notice shall be included in all
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; * copies or substantial portions of the Software.
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; *
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; * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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; * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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; * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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; * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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; * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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; * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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; *
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; * http://www.FreeRTOS.org
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; * http://aws.amazon.com/freertos
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; *
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; * 1 tab == 4 spaces!
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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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