1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
pub mod interrupt;
#[macro_export]
#[doc(hidden)]
macro_rules! cp15_register_get {
[$op_1:literal, $cr_n:literal, $cr_m:literal, $op_2:literal] => {
{
let mut value: usize;
unsafe {
core::arch::asm!(
concat!(
"mrc p15, ",
$op_1,
", {}, ",
$cr_n,
", ",
$cr_m,
", ",
$op_2,
),
out(reg) value,
);
}
value
}
}
}
#[macro_export]
#[doc(hidden)]
macro_rules! cp15_register_set {
[$op_1:literal, $cr_n:literal, $cr_m:literal, $op_2:literal, $value:expr] => {
{
let value: usize = $value;
core::arch::asm!(
concat!(
"mcr p15, ",
$op_1,
", {}, ",
$cr_n,
", ",
$cr_m,
", ",
$op_2,
),
in(reg) value,
);
}
}
}