| // SPDX-License-Identifier: Apache-2.0 OR MIT |
| // |
| // Copyright (c) 2018-2022 by the author(s) |
| // |
| // Author(s): |
| // - Andre Richter <andre.o.richter@gmail.com> |
| // - Erik Verbruggen <erik.verbruggen@me.com> |
| |
| //! Memory Attribute Indirection Register - EL1 |
| //! |
| //! Provides the memory attribute encodings corresponding to the possible AttrIndx values in a |
| //! Long-descriptor format translation table entry for stage 1 translations at EL1. |
| |
| use tock_registers::{ |
| interfaces::{Readable, Writeable}, |
| register_bitfields, |
| }; |
| |
| register_bitfields! {u64, |
| pub MAIR_EL1 [ |
| /// Attribute 7 |
| Attr7_Normal_Outer OFFSET(60) NUMBITS(4) [ |
| Device = 0b0000, |
| |
| WriteThrough_Transient_WriteAlloc = 0b0001, |
| WriteThrough_Transient_ReadAlloc = 0b0010, |
| WriteThrough_Transient_ReadWriteAlloc = 0b0011, |
| |
| NonCacheable = 0b0100, |
| WriteBack_Transient_WriteAlloc = 0b0101, |
| WriteBack_Transient_ReadAlloc = 0b0110, |
| WriteBack_Transient_ReadWriteAlloc = 0b0111, |
| |
| WriteThrough_NonTransient = 0b1000, |
| WriteThrough_NonTransient_WriteAlloc = 0b1001, |
| WriteThrough_NonTransient_ReadAlloc = 0b1010, |
| WriteThrough_NonTransient_ReadWriteAlloc = 0b1011, |
| |
| WriteBack_NonTransient = 0b1100, |
| WriteBack_NonTransient_WriteAlloc = 0b1101, |
| WriteBack_NonTransient_ReadAlloc = 0b1110, |
| WriteBack_NonTransient_ReadWriteAlloc = 0b1111 |
| ], |
| Attr7_Device OFFSET(56) NUMBITS(8) [ |
| nonGathering_nonReordering_noEarlyWriteAck = 0b0000_0000, |
| nonGathering_nonReordering_EarlyWriteAck = 0b0000_0100, |
| nonGathering_Reordering_EarlyWriteAck = 0b0000_1000, |
| Gathering_Reordering_EarlyWriteAck = 0b0000_1100 |
| ], |
| Attr7_Normal_Inner OFFSET(56) NUMBITS(4) [ |
| WriteThrough_Transient = 0x0000, |
| WriteThrough_Transient_WriteAlloc = 0x0001, |
| WriteThrough_Transient_ReadAlloc = 0x0010, |
| WriteThrough_Transient_ReadWriteAlloc = 0x0011, |
| |
| NonCacheable = 0b0100, |
| WriteBack_Transient_WriteAlloc = 0b0101, |
| WriteBack_Transient_ReadAlloc = 0b0110, |
| WriteBack_Transient_ReadWriteAlloc = 0b0111, |
| |
| WriteThrough_NonTransient = 0b1000, |
| WriteThrough_NonTransient_WriteAlloc = 0b1001, |
| WriteThrough_NonTransient_ReadAlloc = 0b1010, |
| WriteThrough_NonTransient_ReadWriteAlloc = 0b1011, |
| |
| WriteBack_NonTransient = 0b1100, |
| WriteBack_NonTransient_WriteAlloc = 0b1101, |
| WriteBack_NonTransient_ReadAlloc = 0b1110, |
| WriteBack_NonTransient_ReadWriteAlloc = 0b1111 |
| ], |
| |
| /// Attribute 6 |
| Attr6_Normal_Outer OFFSET(52) NUMBITS(4) [ |
| Device = 0b0000, |
| |
| WriteThrough_Transient_WriteAlloc = 0b0001, |
| WriteThrough_Transient_ReadAlloc = 0b0010, |
| WriteThrough_Transient_ReadWriteAlloc = 0b0011, |
| |
| NonCacheable = 0b0100, |
| WriteBack_Transient_WriteAlloc = 0b0101, |
| WriteBack_Transient_ReadAlloc = 0b0110, |
| WriteBack_Transient_ReadWriteAlloc = 0b0111, |
| |
| WriteThrough_NonTransient = 0b1000, |
| WriteThrough_NonTransient_WriteAlloc = 0b1001, |
| WriteThrough_NonTransient_ReadAlloc = 0b1010, |
| WriteThrough_NonTransient_ReadWriteAlloc = 0b1011, |
| |
| WriteBack_NonTransient = 0b1100, |
| WriteBack_NonTransient_WriteAlloc = 0b1101, |
| WriteBack_NonTransient_ReadAlloc = 0b1110, |
| WriteBack_NonTransient_ReadWriteAlloc = 0b1111 |
| ], |
| Attr6_Device OFFSET(48) NUMBITS(8) [ |
| nonGathering_nonReordering_noEarlyWriteAck = 0b0000_0000, |
| nonGathering_nonReordering_EarlyWriteAck = 0b0000_0100, |
| nonGathering_Reordering_EarlyWriteAck = 0b0000_1000, |
| Gathering_Reordering_EarlyWriteAck = 0b0000_1100 |
| ], |
| Attr6_Normal_Inner OFFSET(48) NUMBITS(4) [ |
| WriteThrough_Transient = 0x0000, |
| WriteThrough_Transient_WriteAlloc = 0x0001, |
| WriteThrough_Transient_ReadAlloc = 0x0010, |
| WriteThrough_Transient_ReadWriteAlloc = 0x0011, |
| |
| NonCacheable = 0b0100, |
| WriteBack_Transient_WriteAlloc = 0b0101, |
| WriteBack_Transient_ReadAlloc = 0b0110, |
| WriteBack_Transient_ReadWriteAlloc = 0b0111, |
| |
| WriteThrough_NonTransient = 0b1000, |
| WriteThrough_NonTransient_WriteAlloc = 0b1001, |
| WriteThrough_NonTransient_ReadAlloc = 0b1010, |
| WriteThrough_NonTransient_ReadWriteAlloc = 0b1011, |
| |
| WriteBack_NonTransient = 0b1100, |
| WriteBack_NonTransient_WriteAlloc = 0b1101, |
| WriteBack_NonTransient_ReadAlloc = 0b1110, |
| WriteBack_NonTransient_ReadWriteAlloc = 0b1111 |
| ], |
| |
| /// Attribute 5 |
| Attr5_Normal_Outer OFFSET(44) NUMBITS(4) [ |
| Device = 0b0000, |
| |
| WriteThrough_Transient_WriteAlloc = 0b0001, |
| WriteThrough_Transient_ReadAlloc = 0b0010, |
| WriteThrough_Transient_ReadWriteAlloc = 0b0011, |
| |
| NonCacheable = 0b0100, |
| WriteBack_Transient_WriteAlloc = 0b0101, |
| WriteBack_Transient_ReadAlloc = 0b0110, |
| WriteBack_Transient_ReadWriteAlloc = 0b0111, |
| |
| WriteThrough_NonTransient = 0b1000, |
| WriteThrough_NonTransient_WriteAlloc = 0b1001, |
| WriteThrough_NonTransient_ReadAlloc = 0b1010, |
| WriteThrough_NonTransient_ReadWriteAlloc = 0b1011, |
| |
| WriteBack_NonTransient = 0b1100, |
| WriteBack_NonTransient_WriteAlloc = 0b1101, |
| WriteBack_NonTransient_ReadAlloc = 0b1110, |
| WriteBack_NonTransient_ReadWriteAlloc = 0b1111 |
| ], |
| Attr5_Device OFFSET(40) NUMBITS(8) [ |
| nonGathering_nonReordering_noEarlyWriteAck = 0b0000_0000, |
| nonGathering_nonReordering_EarlyWriteAck = 0b0000_0100, |
| nonGathering_Reordering_EarlyWriteAck = 0b0000_1000, |
| Gathering_Reordering_EarlyWriteAck = 0b0000_1100 |
| ], |
| Attr5_Normal_Inner OFFSET(40) NUMBITS(4) [ |
| WriteThrough_Transient = 0x0000, |
| WriteThrough_Transient_WriteAlloc = 0x0001, |
| WriteThrough_Transient_ReadAlloc = 0x0010, |
| WriteThrough_Transient_ReadWriteAlloc = 0x0011, |
| |
| NonCacheable = 0b0100, |
| WriteBack_Transient_WriteAlloc = 0b0101, |
| WriteBack_Transient_ReadAlloc = 0b0110, |
| WriteBack_Transient_ReadWriteAlloc = 0b0111, |
| |
| WriteThrough_NonTransient = 0b1000, |
| WriteThrough_NonTransient_WriteAlloc = 0b1001, |
| WriteThrough_NonTransient_ReadAlloc = 0b1010, |
| WriteThrough_NonTransient_ReadWriteAlloc = 0b1011, |
| |
| WriteBack_NonTransient = 0b1100, |
| WriteBack_NonTransient_WriteAlloc = 0b1101, |
| WriteBack_NonTransient_ReadAlloc = 0b1110, |
| WriteBack_NonTransient_ReadWriteAlloc = 0b1111 |
| ], |
| |
| /// Attribute 4 |
| Attr4_Normal_Outer OFFSET(36) NUMBITS(4) [ |
| Device = 0b0000, |
| |
| WriteThrough_Transient_WriteAlloc = 0b0001, |
| WriteThrough_Transient_ReadAlloc = 0b0010, |
| WriteThrough_Transient_ReadWriteAlloc = 0b0011, |
| |
| NonCacheable = 0b0100, |
| WriteBack_Transient_WriteAlloc = 0b0101, |
| WriteBack_Transient_ReadAlloc = 0b0110, |
| WriteBack_Transient_ReadWriteAlloc = 0b0111, |
| |
| WriteThrough_NonTransient = 0b1000, |
| WriteThrough_NonTransient_WriteAlloc = 0b1001, |
| WriteThrough_NonTransient_ReadAlloc = 0b1010, |
| WriteThrough_NonTransient_ReadWriteAlloc = 0b1011, |
| |
| WriteBack_NonTransient = 0b1100, |
| WriteBack_NonTransient_WriteAlloc = 0b1101, |
| WriteBack_NonTransient_ReadAlloc = 0b1110, |
| WriteBack_NonTransient_ReadWriteAlloc = 0b1111 |
| ], |
| Attr4_Device OFFSET(32) NUMBITS(8) [ |
| nonGathering_nonReordering_noEarlyWriteAck = 0b0000_0000, |
| nonGathering_nonReordering_EarlyWriteAck = 0b0000_0100, |
| nonGathering_Reordering_EarlyWriteAck = 0b0000_1000, |
| Gathering_Reordering_EarlyWriteAck = 0b0000_1100 |
| ], |
| Attr4_Normal_Inner OFFSET(32) NUMBITS(4) [ |
| WriteThrough_Transient = 0x0000, |
| WriteThrough_Transient_WriteAlloc = 0x0001, |
| WriteThrough_Transient_ReadAlloc = 0x0010, |
| WriteThrough_Transient_ReadWriteAlloc = 0x0011, |
| |
| NonCacheable = 0b0100, |
| WriteBack_Transient_WriteAlloc = 0b0101, |
| WriteBack_Transient_ReadAlloc = 0b0110, |
| WriteBack_Transient_ReadWriteAlloc = 0b0111, |
| |
| WriteThrough_NonTransient = 0b1000, |
| WriteThrough_NonTransient_WriteAlloc = 0b1001, |
| WriteThrough_NonTransient_ReadAlloc = 0b1010, |
| WriteThrough_NonTransient_ReadWriteAlloc = 0b1011, |
| |
| WriteBack_NonTransient = 0b1100, |
| WriteBack_NonTransient_WriteAlloc = 0b1101, |
| WriteBack_NonTransient_ReadAlloc = 0b1110, |
| WriteBack_NonTransient_ReadWriteAlloc = 0b1111 |
| ], |
| |
| /// Attribute 3 |
| Attr3_Normal_Outer OFFSET(28) NUMBITS(4) [ |
| Device = 0b0000, |
| |
| WriteThrough_Transient_WriteAlloc = 0b0001, |
| WriteThrough_Transient_ReadAlloc = 0b0010, |
| WriteThrough_Transient_ReadWriteAlloc = 0b0011, |
| |
| NonCacheable = 0b0100, |
| WriteBack_Transient_WriteAlloc = 0b0101, |
| WriteBack_Transient_ReadAlloc = 0b0110, |
| WriteBack_Transient_ReadWriteAlloc = 0b0111, |
| |
| WriteThrough_NonTransient = 0b1000, |
| WriteThrough_NonTransient_WriteAlloc = 0b1001, |
| WriteThrough_NonTransient_ReadAlloc = 0b1010, |
| WriteThrough_NonTransient_ReadWriteAlloc = 0b1011, |
| |
| WriteBack_NonTransient = 0b1100, |
| WriteBack_NonTransient_WriteAlloc = 0b1101, |
| WriteBack_NonTransient_ReadAlloc = 0b1110, |
| WriteBack_NonTransient_ReadWriteAlloc = 0b1111 |
| ], |
| Attr3_Device OFFSET(24) NUMBITS(8) [ |
| nonGathering_nonReordering_noEarlyWriteAck = 0b0000_0000, |
| nonGathering_nonReordering_EarlyWriteAck = 0b0000_0100, |
| nonGathering_Reordering_EarlyWriteAck = 0b0000_1000, |
| Gathering_Reordering_EarlyWriteAck = 0b0000_1100 |
| ], |
| Attr3_Normal_Inner OFFSET(24) NUMBITS(4) [ |
| WriteThrough_Transient = 0x0000, |
| WriteThrough_Transient_WriteAlloc = 0x0001, |
| WriteThrough_Transient_ReadAlloc = 0x0010, |
| WriteThrough_Transient_ReadWriteAlloc = 0x0011, |
| |
| NonCacheable = 0b0100, |
| WriteBack_Transient_WriteAlloc = 0b0101, |
| WriteBack_Transient_ReadAlloc = 0b0110, |
| WriteBack_Transient_ReadWriteAlloc = 0b0111, |
| |
| WriteThrough_NonTransient = 0b1000, |
| WriteThrough_NonTransient_WriteAlloc = 0b1001, |
| WriteThrough_NonTransient_ReadAlloc = 0b1010, |
| WriteThrough_NonTransient_ReadWriteAlloc = 0b1011, |
| |
| WriteBack_NonTransient = 0b1100, |
| WriteBack_NonTransient_WriteAlloc = 0b1101, |
| WriteBack_NonTransient_ReadAlloc = 0b1110, |
| WriteBack_NonTransient_ReadWriteAlloc = 0b1111 |
| ], |
| |
| /// Attribute 2 |
| Attr2_Normal_Outer OFFSET(20) NUMBITS(4) [ |
| Device = 0b0000, |
| |
| WriteThrough_Transient_WriteAlloc = 0b0001, |
| WriteThrough_Transient_ReadAlloc = 0b0010, |
| WriteThrough_Transient_ReadWriteAlloc = 0b0011, |
| |
| NonCacheable = 0b0100, |
| WriteBack_Transient_WriteAlloc = 0b0101, |
| WriteBack_Transient_ReadAlloc = 0b0110, |
| WriteBack_Transient_ReadWriteAlloc = 0b0111, |
| |
| WriteThrough_NonTransient = 0b1000, |
| WriteThrough_NonTransient_WriteAlloc = 0b1001, |
| WriteThrough_NonTransient_ReadAlloc = 0b1010, |
| WriteThrough_NonTransient_ReadWriteAlloc = 0b1011, |
| |
| WriteBack_NonTransient = 0b1100, |
| WriteBack_NonTransient_WriteAlloc = 0b1101, |
| WriteBack_NonTransient_ReadAlloc = 0b1110, |
| WriteBack_NonTransient_ReadWriteAlloc = 0b1111 |
| ], |
| Attr2_Device OFFSET(16) NUMBITS(8) [ |
| nonGathering_nonReordering_noEarlyWriteAck = 0b0000_0000, |
| nonGathering_nonReordering_EarlyWriteAck = 0b0000_0100, |
| nonGathering_Reordering_EarlyWriteAck = 0b0000_1000, |
| Gathering_Reordering_EarlyWriteAck = 0b0000_1100 |
| ], |
| Attr2_Normal_Inner OFFSET(16) NUMBITS(4) [ |
| WriteThrough_Transient = 0x0000, |
| WriteThrough_Transient_WriteAlloc = 0x0001, |
| WriteThrough_Transient_ReadAlloc = 0x0010, |
| WriteThrough_Transient_ReadWriteAlloc = 0x0011, |
| |
| NonCacheable = 0b0100, |
| WriteBack_Transient_WriteAlloc = 0b0101, |
| WriteBack_Transient_ReadAlloc = 0b0110, |
| WriteBack_Transient_ReadWriteAlloc = 0b0111, |
| |
| WriteThrough_NonTransient = 0b1000, |
| WriteThrough_NonTransient_WriteAlloc = 0b1001, |
| WriteThrough_NonTransient_ReadAlloc = 0b1010, |
| WriteThrough_NonTransient_ReadWriteAlloc = 0b1011, |
| |
| WriteBack_NonTransient = 0b1100, |
| WriteBack_NonTransient_WriteAlloc = 0b1101, |
| WriteBack_NonTransient_ReadAlloc = 0b1110, |
| WriteBack_NonTransient_ReadWriteAlloc = 0b1111 |
| ], |
| |
| /// Attribute 1 |
| Attr1_Normal_Outer OFFSET(12) NUMBITS(4) [ |
| Device = 0b0000, |
| |
| WriteThrough_Transient_WriteAlloc = 0b0001, |
| WriteThrough_Transient_ReadAlloc = 0b0010, |
| WriteThrough_Transient_ReadWriteAlloc = 0b0011, |
| |
| NonCacheable = 0b0100, |
| WriteBack_Transient_WriteAlloc = 0b0101, |
| WriteBack_Transient_ReadAlloc = 0b0110, |
| WriteBack_Transient_ReadWriteAlloc = 0b0111, |
| |
| WriteThrough_NonTransient = 0b1000, |
| WriteThrough_NonTransient_WriteAlloc = 0b1001, |
| WriteThrough_NonTransient_ReadAlloc = 0b1010, |
| WriteThrough_NonTransient_ReadWriteAlloc = 0b1011, |
| |
| WriteBack_NonTransient = 0b1100, |
| WriteBack_NonTransient_WriteAlloc = 0b1101, |
| WriteBack_NonTransient_ReadAlloc = 0b1110, |
| WriteBack_NonTransient_ReadWriteAlloc = 0b1111 |
| ], |
| Attr1_Device OFFSET(8) NUMBITS(8) [ |
| nonGathering_nonReordering_noEarlyWriteAck = 0b0000_0000, |
| nonGathering_nonReordering_EarlyWriteAck = 0b0000_0100, |
| nonGathering_Reordering_EarlyWriteAck = 0b0000_1000, |
| Gathering_Reordering_EarlyWriteAck = 0b0000_1100 |
| ], |
| Attr1_Normal_Inner OFFSET(8) NUMBITS(4) [ |
| WriteThrough_Transient = 0x0000, |
| WriteThrough_Transient_WriteAlloc = 0x0001, |
| WriteThrough_Transient_ReadAlloc = 0x0010, |
| WriteThrough_Transient_ReadWriteAlloc = 0x0011, |
| |
| NonCacheable = 0b0100, |
| WriteBack_Transient_WriteAlloc = 0b0101, |
| WriteBack_Transient_ReadAlloc = 0b0110, |
| WriteBack_Transient_ReadWriteAlloc = 0b0111, |
| |
| WriteThrough_NonTransient = 0b1000, |
| WriteThrough_NonTransient_WriteAlloc = 0b1001, |
| WriteThrough_NonTransient_ReadAlloc = 0b1010, |
| WriteThrough_NonTransient_ReadWriteAlloc = 0b1011, |
| |
| WriteBack_NonTransient = 0b1100, |
| WriteBack_NonTransient_WriteAlloc = 0b1101, |
| WriteBack_NonTransient_ReadAlloc = 0b1110, |
| WriteBack_NonTransient_ReadWriteAlloc = 0b1111 |
| ], |
| |
| /// Attribute 0 |
| Attr0_Normal_Outer OFFSET(4) NUMBITS(4) [ |
| Device = 0b0000, |
| |
| WriteThrough_Transient_WriteAlloc = 0b0001, |
| WriteThrough_Transient_ReadAlloc = 0b0010, |
| WriteThrough_Transient_ReadWriteAlloc = 0b0011, |
| |
| NonCacheable = 0b0100, |
| WriteBack_Transient_WriteAlloc = 0b0101, |
| WriteBack_Transient_ReadAlloc = 0b0110, |
| WriteBack_Transient_ReadWriteAlloc = 0b0111, |
| |
| WriteThrough_NonTransient = 0b1000, |
| WriteThrough_NonTransient_WriteAlloc = 0b1001, |
| WriteThrough_NonTransient_ReadAlloc = 0b1010, |
| WriteThrough_NonTransient_ReadWriteAlloc = 0b1011, |
| |
| WriteBack_NonTransient = 0b1100, |
| WriteBack_NonTransient_WriteAlloc = 0b1101, |
| WriteBack_NonTransient_ReadAlloc = 0b1110, |
| WriteBack_NonTransient_ReadWriteAlloc = 0b1111 |
| ], |
| Attr0_Device OFFSET(0) NUMBITS(8) [ |
| nonGathering_nonReordering_noEarlyWriteAck = 0b0000_0000, |
| nonGathering_nonReordering_EarlyWriteAck = 0b0000_0100, |
| nonGathering_Reordering_EarlyWriteAck = 0b0000_1000, |
| Gathering_Reordering_EarlyWriteAck = 0b0000_1100 |
| ], |
| Attr0_Normal_Inner OFFSET(0) NUMBITS(4) [ |
| WriteThrough_Transient = 0x0000, |
| WriteThrough_Transient_WriteAlloc = 0x0001, |
| WriteThrough_Transient_ReadAlloc = 0x0010, |
| WriteThrough_Transient_ReadWriteAlloc = 0x0011, |
| |
| NonCacheable = 0b0100, |
| WriteBack_Transient_WriteAlloc = 0b0101, |
| WriteBack_Transient_ReadAlloc = 0b0110, |
| WriteBack_Transient_ReadWriteAlloc = 0b0111, |
| |
| WriteThrough_NonTransient = 0b1000, |
| WriteThrough_NonTransient_WriteAlloc = 0b1001, |
| WriteThrough_NonTransient_ReadAlloc = 0b1010, |
| WriteThrough_NonTransient_ReadWriteAlloc = 0b1011, |
| |
| WriteBack_NonTransient = 0b1100, |
| WriteBack_NonTransient_WriteAlloc = 0b1101, |
| WriteBack_NonTransient_ReadAlloc = 0b1110, |
| WriteBack_NonTransient_ReadWriteAlloc = 0b1111 |
| ] |
| ] |
| } |
| |
| pub struct Reg; |
| |
| impl Readable for Reg { |
| type T = u64; |
| type R = MAIR_EL1::Register; |
| |
| sys_coproc_read_raw!(u64, "MAIR_EL1", "x"); |
| } |
| |
| impl Writeable for Reg { |
| type T = u64; |
| type R = MAIR_EL1::Register; |
| |
| sys_coproc_write_raw!(u64, "MAIR_EL1", "x"); |
| } |
| |
| pub const MAIR_EL1: Reg = Reg {}; |
