[PATCH v3 04/10] bsps: Break out AArch32 GICv3 support
joel at rtems.org
Mon Oct 5 12:27:33 UTC 2020
On Mon, Oct 5, 2020 at 2:04 AM Sebastian Huber <
sebastian.huber at embedded-brains.de> wrote:
> On 04/10/2020 06:18, Kinsey Moore wrote:
> > +/**
> > + * This architecture-specific function sets the exception vector for
> > + * IRQs.
> > + */
> > +void aarch_interrupt_facility_set_exception_handler(void);
> What are the rules for using an aarch prefix instead of an arm prefix?
I haven't talked to Kinsey about this but I would assume based on the
terminology I see in ARM documentation.
+ arm - only 32-bit. Now referred to as aarch32 or A32
+ aarch64 - only 64-bit. AKA A64
+ aarch - shared across 32 and 64 bit modes.
Looks like Microsoft also uses ARM32 and ARM64
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