AARCH64 banked registers

I am failing at searches can someone point me to a reference for the banked registers for an FIQ in AARCH64 on a cortexA53

I can find hundreds of references for AARCH32 banked registers but none for AARCH64

I have largely ignored the FIQ to date just using the IRQ and I just ported my IRQ handler but I am probably saving banked registers. 

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