ableos/kernel/src/device_tree/mod.rs
koniifer 07ee8de9f1 push it to prod 😄
experimental avx stuff (enable it yourself, coward)
update hblang & fiddle with stuff
2024-09-30 21:45:57 +01:00

72 lines
2.1 KiB
Rust

//! A tree of hardware devices
use {alloc::vec::Vec, core::fmt, hashbrown::HashMap};
/// A device object.
/// TODO define device
pub type Device = xml::XMLElement;
/// A tree of devices
// TODO: alphabetize this list
#[derive(Debug)]
pub struct DeviceTree<'a> {
/// The device tree
pub devices: HashMap<&'a str, Vec<Device>>,
}
impl<'a> DeviceTree<'a> {
/// Build the device tree. Does not populate the device tree
pub fn new() -> Self {
let mut dt = Self {
devices: HashMap::new(),
};
device_tree!(
dt,
[
"Mice",
"Keyboards",
"Controllers",
"Generic HIDs",
"Disk Drives",
"CD Drives",
"Batteries",
"Monitors",
"GPUs",
"CPUs",
"USB",
"Serial Ports",
"Cameras",
"Biometric Devices",
]
);
dt
}
}
use crate::{device_tree, tab, utils::TAB};
impl<'a> fmt::Display for DeviceTree<'a> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
writeln!(f)?;
for (device_type, devices) in &self.devices {
writeln!(f, "\r{}{}/\r", tab!(1), device_type)?;
for device in devices {
writeln!(f, "{}{}/\r", tab!(2), device.name)?;
for attr in &device.attributes {
writeln!(f, "{}{}\r", tab!(3), attr)?;
}
for child in &device.children {
writeln!(f, "{}{}\r", tab!(3), child.name)?;
for attr in &child.attributes {
writeln!(f, "{}{}\r", tab!(4), attr)?;
}
for child in &child.children {
writeln!(f, "{}{}\r", tab!(4), child.name)?;
for attr in &child.attributes {
writeln!(f, "{}{}\r", tab!(5), attr)?;
}
}
}
}
}
Ok(())
}
}