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Malfunctionning qemu-system-arm ?

From: vincent Dupaquis
Subject: Malfunctionning qemu-system-arm ?
Date: Mon, 15 Feb 2021 16:09:26 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0


    I am using qemu-system-arm with a netduino2 target, supposingly
integrating a STM32F2xx chip.

    I tested using the STM HAL in order to make a simple program run,
and I just failed to have it running correctly, it satyed stuck on the
starting HAL_init() call.

    Debugging the code, it appeared that stepping-in was making the code
work while when running it it failed (stayed stuck in an infinite loop,
but no obvious arm violations).

    Has anyone any idea of what could be the cause for this ? I am using
the latest STM32 HAL, with a qemu version 5.1.0 on a Ubuntu 20.04
machine. What is the level of support this type of target is supposed to
have, and posibly which limitations should I take into account ?

    Best regards,


*Vincent Dupaquis*
Software security & Cryptography expert
06 24 58 17 05
/Europarc de Pichaury Bâtiment B8 1330 rue Guillibert Gautier de la
Lauzière 13290 Aix-en-Provence/

www.trusted-objects.com <http://www.trusted-objects.com>

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