Contents

hv_vcpu_set_trap_debug_reg_accesses(_:_:)

Sets whether debug-register accesses exit the guest.

Declaration

func hv_vcpu_set_trap_debug_reg_accesses(_ vcpu: hv_vcpu_t, _ value: Bool) -> hv_return_t

Parameters

  • vcpu:

    The instance of the vCPU.

  • value:

    A Boolean value that if true indicates debug-register accesses in the guest trap to the host.

Return Value

HV_SUCCESS if the operation was successful, otherwise an error code specified in hv_return_t.

Discussion

The trapped registers includes DBGBCR<n>_EL1, DBGBVR<n>_EL1, DBGWCR<n>_EL1, DBGWVR<n>_EL1. and MDSCR_EL1.

The equivalent system register is MDCR_EL2.TDA.

See Also

Trap configuration