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// SPDX-License-Identifier: Apache-2.0 OR MIT // // Copyright (c) 2018-2020 by the author(s) // // Author(s): // - Andre Richter <andre.o.richter@gmail.com> //! Current Exception Level //! //! Holds the current Exception level. use register::{cpu::RegisterReadOnly, register_bitfields}; register_bitfields! {u64, pub CurrentEL [ /// Current Exception level. Possible values of this field are: /// /// 00 EL0 /// 01 EL1 /// 10 EL2 /// 11 EL3 /// /// When the HCR_EL2.NV bit is 1, Non-secure EL1 read accesses to the CurrentEL register /// return the value of 0x2 in this field. /// /// This field resets to a value that is architecturally UNKNOWN. EL OFFSET(2) NUMBITS(2) [ EL0 = 0, EL1 = 1, EL2 = 2, EL3 = 3 ] ] } pub struct Reg; impl RegisterReadOnly<u64, CurrentEL::Register> for Reg { sys_coproc_read_raw!(u64, "CurrentEL", "x"); } #[allow(non_upper_case_globals)] pub static CurrentEL: Reg = Reg {};