1 | /********************************************************************* |
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2 | * SEGGER Microcontroller GmbH * |
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3 | * The Embedded Experts * |
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4 | ********************************************************************** |
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5 | * * |
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6 | * (c) 2014 - 2020 SEGGER Microcontroller GmbH * |
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7 | * * |
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8 | * www.segger.com Support: support@segger.com * |
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9 | * * |
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10 | ********************************************************************** |
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11 | * * |
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12 | * All rights reserved. * |
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13 | * * |
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14 | * Redistribution and use in source and binary forms, with or * |
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15 | * without modification, are permitted provided that the following * |
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16 | * condition is met: * |
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17 | * * |
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18 | * - Redistributions of source code must retain the above copyright * |
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19 | * notice, this condition and the following disclaimer. * |
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20 | * * |
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21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND * |
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22 | * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, * |
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23 | * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * |
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24 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * |
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25 | * DISCLAIMED. IN NO EVENT SHALL SEGGER Microcontroller BE LIABLE FOR * |
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26 | * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * |
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27 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT * |
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28 | * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * |
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29 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * |
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30 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * |
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31 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE * |
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32 | * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH * |
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33 | * DAMAGE. * |
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34 | * * |
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35 | *********************************************************************/ |
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36 | |
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37 | /********************************************************************* |
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38 | * |
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39 | * _start |
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40 | * |
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41 | * Function description |
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42 | * Defines entry point for an STM32G0xx assembly code only |
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43 | * application. |
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44 | * |
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45 | * Additional information |
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46 | * Please note, as this is an assembly code only project, the C/C++ |
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47 | * runtime library has not been initialised. So do not attempt to call |
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48 | * any C/C++ library functions because they probably won't work. |
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49 | */ |
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50 | |
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51 | .syntax unified |
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52 | .global _start |
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53 | .text |
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54 | |
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55 | .thumb_func |
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56 | _start: |
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57 | ldr r0, =#0x12345678 |
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58 | loop: |
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59 | adds r0, r0, #1 |
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60 | b loop |
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