Devices: Add block devices

ableos/src/devices/character_devs/dev_null.rs

@@ -1,4 +1,4 @@
-use kernel::device_interface::character::CharacterDevice;
+use kernel::device_interface::CharacterDevice;
 
 #[derive(Debug, Clone, Copy, PartialEq, Eq)]
 pub struct DevNull;

ableos/src/devices/character_devs/dev_unicode.rs

@@ -1,4 +1,4 @@
-use kernel::device_interface::character::CharacterDevice;
+use kernel::device_interface::CharacterDevice;
 
 #[derive(Debug)]
 pub struct DevUnicode {

ableos/src/devices/character_devs/dev_zero.rs

@@ -1,4 +1,4 @@
-use kernel::device_interface::character::CharacterDevice;
+use kernel::device_interface::CharacterDevice;
 
 #[derive(Debug)]
 pub struct DevZero;

ableos/src/devices/character_devs/mod.rs

@@ -2,4 +2,4 @@ pub mod dev_null;
 pub mod dev_unicode;
 pub mod dev_zero;
 
-pub use kernel::device_interface::character::CharacterDevice;
+pub use kernel::device_interface::CharacterDevice;

ableos/src/devices/dev_vterm.rs

@@ -3,7 +3,7 @@
 use core::ops::Not;
 use core::sync::atomic::AtomicU32;
 use core::sync::atomic::Ordering;
-use kernel::device_interface::character::CharacterDevice;
+use kernel::device_interface::CharacterDevice;
 
 use crate::pixel_format::Rgba64;
 

ableos/src/devices/mod.rs

@@ -10,7 +10,7 @@ pub use self::Device::*;
 use crate::devices::dev_vterm::VTerm;
 use character_devs::{dev_null::DevNull, dev_unicode::DevUnicode, dev_zero::DevZero};
 use hashbrown::HashMap;
-use kernel::device_interface::character::CharacterDevice;
+use kernel::device_interface::{BlockDevice, CharacterDevice};
 use spin::Lazy;
 
 pub static DEVICE_TABLE: Lazy<spin::Mutex<DeviceTable>> =
@@ -19,6 +19,7 @@ pub static DEVICE_TABLE: Lazy<spin::Mutex<DeviceTable>> =
 // FIXME: This is a hack to hold a device.
 // #[derive(Debug)]
 pub enum Device {
+    Block(Box<dyn BlockDevice>),
     Character(Box<dyn CharacterDevice>),
     Vterm(Box<VTerm>),
 }

ableos/src/driver_traits/serial.rs

@@ -1,4 +1,4 @@
-use kernel::device_interface::character::CharacterDevice;
+use kernel::device_interface::CharacterDevice;
 
 pub struct Serial {
     pub base: usize,

ableos/src/stdio.rs

@@ -1,7 +1,7 @@
 use {
-    crate::devices::Device::{Character, Vterm},
+    crate::devices::Device::{Block, Character, Vterm},
     core::fmt::{Arguments, Error, Write},
-    kernel::device_interface::character::CharacterDevice,
+    kernel::device_interface::CharacterDevice,
 };
 
 #[derive(Debug, Clone)]
@@ -35,6 +35,7 @@ impl StdIo {
                 }
                 Ok(())
             }
+            Block(_) => todo!(),
         }
     }
 
@@ -54,6 +55,7 @@ impl StdIo {
                 vterm.read_char().map(|c| buf.push(c));
                 println!("{}", buf);
             }
+            Block(_) => todo!(),
         }
     }
 }

kernel/src/device_interface/block.rs

@@ -0,0 +1,6 @@
+//! Block device interface
+
+/// Block device interface
+pub trait BlockDevice {
+    // TODO
+}

kernel/src/device_interface/block/mod.rs

@@ -1 +0,0 @@
-//!

kernel/src/device_interface/mod.rs

@@ -1,4 +1,7 @@
 //! Platform Agnostic Device
 
-pub mod block;
+mod block;
-pub mod character;
+mod character;
+
+pub use block::BlockDevice;
+pub use character::CharacterDevice;