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HADFSR provides additional implementation defined syndrome information for Data Abort exceptions taken to Hyp mode. This register is not used in the Cortex®-A55 core.
HADFSR is a 32-bit register, and is part of:
AArch32 System register HADFSR is architecturally mapped to AArch64 System register AFSR0_EL2. See B2.9 AFSR0_EL2, Auxiliary Fault Status Register 0, EL2.
Bit fields and details not provided in this description are architecturally defined. See the Arm® Architecture Reference Manual Armv8, for Armv8-A architecture profile.