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From: Michael S <already5chosen@yahoo.com>
Newsgroups: comp.lang.c
Subject: Re: question about linker
Date: Wed, 11 Dec 2024 19:22:49 +0200
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On Wed, 11 Dec 2024 16:15:25 +0100
David Brown <david.brown@hesbynett.no> wrote:

> 
> Suffice it to say that as far as code generation is concerned, the 
> Cortex-A devices on the RPi's are completely different from the
> Cortex-M devices in microcontrollers.  It's like comparing the 80286
> with the Z80A.
> 

With exception of RPi1, saying so would be an exaggeration.
RPi2 through 5 are technically capable to run Thumb2-encoded user level
routines.
May be, mutual incompatibility with MCUs would become true again in the
next generation of RPi. But more likely it would not happen until RPi7.