| 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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