cortex_a/registers/
sp_el0.rs

1// SPDX-License-Identifier: Apache-2.0 OR MIT
2//
3// Copyright (c) 2018-2022 by the author(s)
4//
5// Author(s):
6//   - Andre Richter <andre.o.richter@gmail.com>
7
8//! The stack pointer - EL0
9//!
10//! Holds the stack pointer associated with EL0. At higher Exception levels, this is used as the
11//! current stack pointer when the value of SPSel.SP is 0.
12
13use tock_registers::interfaces::{Readable, Writeable};
14
15pub struct Reg;
16
17impl Readable for Reg {
18    type T = u64;
19    type R = ();
20
21    sys_coproc_read_raw!(u64, "SP_EL0", "x");
22}
23
24impl Writeable for Reg {
25    type T = u64;
26    type R = ();
27
28    sys_coproc_write_raw!(u64, "SP_EL0", "x");
29}
30
31pub const SP_EL0: Reg = Reg {};