B1.49 HACTLR2, Hyp Auxiliary Control Register 2

The HACTLR2 Provides additional space to the HACTLR register to hold implementation defined trap functionality.

Bit field descriptions

HACTLR2 is a 32-bit register, and is part of:

  • The Virtualization registers functional group.
  • The Other system control registers functional group.
  • The Implementation defined functional group.
Figure B1-34 HACTLR2 bit assignments
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RES0, [31:0]

The HACTLR2 is architecturally mapped to the AArch64 ACTLR_EL2[63:32] register. See B2.6 ACTLR_EL2, Auxiliary Control Register, EL2.

RW fields in this register reset to architecturally unknown values.

Bit fields and details not provided in this description are architecturally defined. See the Arm® Architecture Reference Manual Armv8, for Armv8-A architecture profile.

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