libhermit-rs 0.6.3

A Rust-based library operating system
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

//! A module containing hermit-rs driver, hermit-rs driver trait and driver specific errors.

#[cfg(feature = "fs")]
pub mod fs;
#[cfg(not(feature = "pci"))]
pub mod mmio;
#[cfg(feature = "tcp")]
pub mod net;
#[cfg(feature = "pci")]
pub mod pci;
#[cfg(any(all(feature = "tcp", not(feature = "rtl8139")), feature = "fs"))]
pub mod virtio;

/// A common error module for drivers.
/// [DriverError](enums.drivererror.html) values will be
/// passed on to higher layers.
pub mod error {
	use core::fmt;

	#[cfg(feature = "rtl8139")]
	use crate::drivers::net::rtl8139::RTL8139Error;
	#[cfg(any(all(feature = "tcp", not(feature = "rtl8139")), feature = "fs"))]
	use crate::drivers::virtio::error::VirtioError;

	#[derive(Debug)]
	pub enum DriverError {
		#[cfg(any(all(feature = "tcp", not(feature = "rtl8139")), feature = "fs"))]
		InitVirtioDevFail(VirtioError),
		#[cfg(feature = "rtl8139")]
		InitRTL8139DevFail(RTL8139Error),
	}

	#[cfg(any(all(feature = "tcp", not(feature = "rtl8139")), feature = "fs"))]
	impl From<VirtioError> for DriverError {
		fn from(err: VirtioError) -> Self {
			DriverError::InitVirtioDevFail(err)
		}
	}

	#[cfg(feature = "rtl8139")]
	impl From<RTL8139Error> for DriverError {
		fn from(err: RTL8139Error) -> Self {
			DriverError::InitRTL8139DevFail(err)
		}
	}

	impl fmt::Display for DriverError {
		#[allow(unused_variables)]
		fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
			match *self {
				#[cfg(any(all(feature = "tcp", not(feature = "rtl8139")), feature = "fs"))]
				DriverError::InitVirtioDevFail(ref err) => {
					write!(f, "Virtio driver failed: {err:?}")
				}
				#[cfg(feature = "rtl8139")]
				DriverError::InitRTL8139DevFail(ref err) => {
					write!(f, "RTL8139 driver failed: {err:?}")
				}
			}
		}
	}
}