2 ; * FreeRTOS Kernel <DEVELOPMENT BRANCH>
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3 ; * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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5 ; * SPDX-License-Identifier: MIT
7 ; * Permission is hereby granted, free of charge, to any person obtaining a copy of
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8 ; * this software and associated documentation files (the "Software"), to deal in
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9 ; * the Software without restriction, including without limitation the rights to
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10 ; * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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11 ; * the Software, and to permit persons to whom the Software is furnished to do so,
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12 ; * subject to the following conditions:
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14 ; * The above copyright notice and this permission notice shall be included in all
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15 ; * copies or substantial portions of the Software.
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17 ; * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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18 ; * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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19 ; * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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20 ; * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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21 ; * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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22 ; * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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24 ; * https://www.FreeRTOS.org
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25 ; * https://github.com/FreeRTOS
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29 .import _pxCurrentTCB
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30 .import _vTaskSwitchContext
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31 .import _xTaskIncrementTick
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33 .export _vPortStartFirstTask
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34 .export _ulPortGetGBR
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35 .export _vPortYieldHandler
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36 .export _vPortPreemptiveTick
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37 .export _vPortCooperativeTick
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38 .export _vPortSaveFlopRegisters
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39 .export _vPortRestoreFlopRegisters
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43 .INCLUDE "ISR_Support.inc"
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45 _vPortStartFirstTask:
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49 ;-----------------------------------------------------------
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55 mov.l #_vTaskSwitchContext, r0
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61 ;-----------------------------------------------------------
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63 _vPortPreemptiveTick
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67 mov.l #_xTaskIncrementTick, r0
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71 mov.l #_vTaskSwitchContext, r0
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77 ;-----------------------------------------------------------
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79 _vPortCooperativeTick
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83 mov.l #_xTaskIncrementTick, r0
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89 ;-----------------------------------------------------------
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97 ;-----------------------------------------------------------
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99 _vPortSaveFlopRegisters:
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123 ;-----------------------------------------------------------
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125 _vPortRestoreFlopRegisters:
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