topic S32K3 exception with fdiv in S32K

S32K3 exception with fdiv

ssean — Mon, 13 Nov 2023 09:26:19 GMT

Hello.

S32K312 MCU fall in exception handler after call __fdiv.

What should I do for use fdiv ?

petervlna — Mon, 13 Nov 2023 13:22:36 GMT

Hello,

Looking at S32K3 manual i see S32K312 has 1x M7 core.

Further checking the core reference manual:

I expect that exception handler is called correctly as the float is not supported.

Please refer to M7 reference manual for details on supported divide instructions.

best regards,

Peter

JOSP2000 — Tue, 14 Nov 2023 11:34:31 GMT

Hello

In which document can I find this information?

I checked S32K3XX REV07 but could not find it.

petervlna — Wed, 15 Nov 2023 07:10:47 GMT

Hello,

I was referring to core reference manual, not device one.

ARM ® v7-M Architecture
Reference Manual

Best regards,

Peter