<div dir="ltr"><div dir="ltr"><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Oct 5, 2020 at 2:04 AM Sebastian Huber <<a href="mailto:sebastian.huber@embedded-brains.de">sebastian.huber@embedded-brains.de</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">On 04/10/2020 06:18, Kinsey Moore wrote:<br>
<br>
> +/**<br>
> + * This architecture-specific function sets the exception vector for handling<br>
> + * IRQs.<br>
> + */<br>
> +void aarch_interrupt_facility_set_exception_handler(void);<br>
What are the rules for using an aarch prefix instead of an arm prefix?<br></blockquote><div><br></div><div>I haven't talked to Kinsey about this but I would assume based on the</div><div>terminology I see in ARM documentation.</div><div><br></div><div>+ arm - only 32-bit. Now referred to as aarch32 or A32</div><div>+ aarch64 - only 64-bit. AKA A64</div><div>+ aarch - shared across 32 and 64 bit modes.<br></div><div><br></div><div>Looks like Microsoft also uses ARM32 and ARM64 </div><div><br></div><div>--joel</div><div><br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
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