svd-generator 0.4.4

Converts device information from flattened device tree into an SVD description
Documentation 
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
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85

use crate::svd::register::{
    create_bit_range, create_field, create_register, create_register_properties,
};
use crate::Result;

/// Creates a StarFive JH7110 SYSCRG Clock AHB register.
pub fn create() -> Result<svd::RegisterCluster> {
    let fields = [
        create_field(
            "nonce_mode",
            "TRNG Nonce operating mode",
            create_bit_range("[2:2]")?,
            svd::Access::ReadOnly,
            None,
        )?,
        create_field(
            "r256",
            "TRNG 256-bit random number operating mode",
            create_bit_range("[3:3]")?,
            svd::Access::ReadOnly,
            None,
        )?,
        create_field(
            "mission_mode",
            "TRNG Mission Mode operating mode",
            create_bit_range("[8:8]")?,
            svd::Access::ReadOnly,
            None,
        )?,
        create_field(
            "seeded",
            "TRNG Seeded operating mode",
            create_bit_range("[9:9]")?,
            svd::Access::ReadOnly,
            None,
        )?,
    ]
    .into_iter()
    .chain((0..8).filter_map(|idx| {
        create_field(
            // There are 8 RAND fields
            // FIXME: do these LAST_RESEED fields directly correspond to the RAND fields?
            // These fields are a best-guess based on the Linux char driver
            format!("last_reseed{idx}").as_str(),
            format!("TRNG Last Reseed {idx} status").as_str(),
            create_bit_range(format!("[{}:{}]", 0x10 + idx, 0x10 + idx).as_str()).ok()?,
            svd::Access::ReadOnly,
            None,
        )
        .ok()
    }))
    .chain([
        create_field(
            "srvc_rqst",
            "TRNG Service Request",
            create_bit_range("[27:27]")?,
            svd::Access::ReadOnly,
            None,
        )?,
        create_field(
            "rand_generating",
            "TRNG Random Number Generating Status",
            create_bit_range("[30:30]")?,
            svd::Access::ReadOnly,
            None,
        )?,
        create_field(
            "rand_seeding",
            "TRNG Random Number Seeding Status",
            create_bit_range("[31:31]")?,
            svd::Access::ReadOnly,
            None,
        )?,
    ])
    .collect::<Vec<svd::Field>>();

    Ok(svd::RegisterCluster::Register(create_register(
        "stat",
        "TRNG STAT Register",
        0x4,
        create_register_properties(32, 0)?,
        Some(fields.as_ref()),
        None,
    )?))
}