prelim VFS work

Cargo.lock

@@ -644,6 +644,10 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "vfs"
+version = "0.1.0"
+
 [[package]]
 name = "vgable"
 version = "0.1.0"

Cargo.toml

@@ -11,6 +11,8 @@ members = [
     "drivers/graphics/novideo",
     "drivers/graphics/vgable",
 
+    "drivers/vfs",
+
     "drivers/keyboards/ps2_keyboard",
     "drivers/mice/ps2_mouse",
 

drivers/vfs/Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "vfs"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+# std = { path = "../../libraries/std" }

drivers/vfs/src/main.rs

@@ -0,0 +1,18 @@
+// #![no_std]
+
+use std::path::Path;
+// use std::prelude::rust_2021::alloc;
+extern crate alloc;
+use alloc::vec::Vec;
+
+fn main() {}
+
+pub type File = Vec<u8>;
+// TODO: implement better VFS api
+pub trait FileIO {
+    fn read(file: &mut File, file_address: u64, read_length: u64);
+    fn write(file: &mut File, file_address: u64, dest_ptr: u64, src_len: usize);
+    fn open(path: Path);
+    fn close(file: &mut File);
+}
+pub enum FileError {}

libraries/os_core/src/lib.rs

@@ -24,3 +24,7 @@ pub struct Result<T> {
     pub ok: T,
     pub err: ExternErrors,
 }
+
+pub struct Path {
+    parts: String,
+}

libraries/std/src/io.rs

@@ -1,12 +1,3 @@
 pub enum IOErrors {
     UnknownError,
 }
-
-// pub struct Port<T> {
-//     inner: T,
-// }
-// impl<T> Port<T> {
-//     pub fn read(&self) -> Result<T, IOErrors> {
-//         Ok(self.inner)
-//     }
-// }

libraries/std/src/lib.rs

@@ -23,6 +23,8 @@ pub mod prelude;
 
 use versioning::Version;
 
+pub mod path;
+
 pub const VERSION: Version = Version::new(0, 1, 0);
 
 // extern crate alloc;

libraries/std/src/path.rs

@@ -0,0 +1,18 @@
+use alloc::string::{String, ToString};
+
+pub struct Path {
+    pub path: Vec<String>,
+}
+impl Path {
+    pub fn new(path: String) -> Self {
+        let mut path_vec_string = alloc::vec![];
+
+        for part in path.split(&['\\', '/'][..]) {
+            path_vec_string.push(part.to_string());
+        }
+
+        Path {
+            path: path_vec_string,
+        }
+    }
+}

libraries/std/src/prelude/rust_2021/mod.rs

@@ -6,3 +6,6 @@ pub use crate::print_char;
 pub use core::panic;
 
 pub use versioning;
+
+extern crate alloc;
+pub use alloc::vec::Vec;