systemcall work

ableos/src/graphics/mod.rs

@@ -77,7 +77,14 @@ impl ScreenBuffer {
             }
         }
     }
-   pub fn draw_unfilled_rect(&mut self, x1: usize, y1: usize, x2: usize, y2: usize, color: Rgba64) {
+    pub fn draw_unfilled_rect(
+        &mut self,
+        x1: usize,
+        y1: usize,
+        x2: usize,
+        y2: usize,
+        color: Rgba64,
+    ) {
         // x1 y1 => x2 y1 => x2 y2 => x1 y2 => x1 y1
         self.draw_line(x1, y1, x2, y1, color);
         self.draw_line(x2, y1, x2, y2, color);
@@ -203,8 +210,6 @@ impl VgaBuffer for ScreenBuffer {
         for y in 0..self.size.y {
             for x in 0..self.size.x {
                 use shadeable::pixel_format::into_vga_16;
-            // let vga_color = get_color16(self.buff[y * self.size.x + x]);
-
                 let vga_color = into_vga_16(self.buff[y * self.size.x + x]);
 
                 if into_vga_16(self.clear_color) != vga_color {

ableos/src/kmain.rs

@@ -1,5 +1,11 @@
 #![allow(clippy::empty_loop)]
 
+use alloc::{format, string::String};
+use shadeable::pixel_format::from_vga_16;
+use vga::colors::Color16;
+
+use crate::{ScreenBuffer, VgaBuffer, SCREEN_BUFFER};
+
 // use crate::scheduler;
 
 use {
@@ -17,10 +23,7 @@ use {
         relib::network::socket::Socket,
         scheduler::SCHEDULER,
     },
-    alloc::{
-        string::{String, ToString},
-        vec,
-    },
+    alloc::{string::ToString, vec},
     core::sync::atomic::{AtomicU64, Ordering::*},
     lazy_static::lazy_static,
     log::*,
@@ -57,30 +60,6 @@ pub fn kernel_main() -> ! {
     use crate::proto_filetable::file::FileLocations;
 
     let mut file_table = FILE_TABLE.lock();
-    /*
-    let mut new_file = File::new(FileLocations::Bin, "test".to_string(), "txt".to_string());
-
-    new_file.write_bytes(b"Hello, world!");
-    file_table.add_file("test", new_file);
-
-
-
-
-    let file = file_table.get_file("test");
-
-    match file {
-        Some(file) => {
-            let file_bytes = &file.data_pointer;
-            let file_string = String::from_utf8(file_bytes.to_vec()).unwrap();
-            info!("{}", file_string);
-        }
-        None => {
-            info!("File not found");
-        }
-    }
-
-
-    */
 
     let mut new_file = File::new(FileLocations::Bin, "test".to_string(), "txt".to_string());
     new_file.write_bytes(&[0x00, 0x61, 0x73, 0x6d, 0x01, 0x00, 0x00, 0x00]);
@@ -101,7 +80,15 @@ pub fn kernel_main() -> ! {
         }
     }
 
-    log_version_data();
+    let mut abcde = SCREEN_BUFFER.lock();
+    abcde.force_redraw();
+
+    abcde.draw_filled_circle(100, 100, 300, 0x0000ffff);
+    abcde.draw_unfilled_rect(100, 100, 400, 200, 0xff0000ff);
+    abcde.draw_filled_rect(300, 300, 400, 400, 0xff0000ff);
+    abcde.draw_line(100, 100, 400, 200, 0xff0000ff);
+    abcde.copy_to_buffer();
+
     sloop()
 }
 

ableos/src/syscalls.rs

@@ -1,37 +0,0 @@
-use crate::proc::PID;
-
-#[repr(C)]
-/// Signals that can be sent to a process
-pub enum Signals {
-    /// Terminate the process
-    Terminate,
-    /// Shutdown the process and allow it to shutdown cleanly
-    Quit,
-}
-
-#[repr(C)]
-pub enum SystemCall {
-    /// Sleep the calling process for the given number of milliseconds
-    ///
-    /// # Arguments
-    ///
-    /// * `ticks` - The number of ticks to sleep for
-    Sleep(u64),
-
-    /// Send a signal to a process
-    ///
-    /// # Arguments
-    ///
-    /// * `pid` - The PID of the process to send the signal to
-    /// * `signal` - The signal to send
-    SendSignal(PID, Signals),
-}
-
-#[no_mangle]
-pub extern "C" fn syscall(call: SystemCall) {
-    // Handle the system call
-    match call {
-        SystemCall::Sleep(ms) => todo!("Sleep for {} ms", ms),
-        SystemCall::SendSignal(process_id, signal) => todo!(),
-    }
-}

ableos/src/syscalls/file_calls.rs

@@ -0,0 +1,40 @@
+//! File system related system calls.
+
+/// Temporary representation of a file path
+pub type Path = *const u8;
+
+/// Remove a Directory from the filesystem
+///
+/// # Arguments
+/// * `full_path` - The full path of the directory to remove
+/// * `force` - Whether to remove the directory even if it is not empty
+#[no_mangle]
+pub extern "C" fn remove_directory(path: Path, force_delete: bool) {
+    unimplemented!();
+}
+
+/// Create a new directory at the given path
+///
+/// # Arguments
+/// * `full_path` - The full path of the directory to create
+#[no_mangle]
+pub extern "C" fn create_directory(path: Path) -> Result<(), FileErrors> {
+    unimplemented!();
+}
+
+#[repr(C)]
+/// Errors that can occur when messing with files
+pub enum FileErrors {
+    /// The directory can not be created
+    DirectoryCouldNotBeCreated,
+    /// The directory could not be removed
+    DirectoryCouldNotBeRemoved,
+    ///
+    FileCouldNotBeCreated,
+    ///
+    FileCouldNotBeRemoved,
+    /// The file could not be opened
+    FileCouldNotBeOpened,
+    ///
+    FileCouldNotBeClosed,
+}

ableos/src/syscalls/mod.rs

@@ -0,0 +1,25 @@
+#![deny(missing_docs)]
+//! The module of syscalls.
+
+use crate::proc::PID;
+
+pub mod file_calls;
+pub mod time_calls;
+
+#[repr(C)]
+/// Signals that can be sent to a process
+pub enum Signals {
+    /// Terminate the process
+    Terminate,
+    /// Shutdown the process and allow it to shutdown cleanly
+    Quit,
+}
+
+/// Send a signal to a process
+///
+/// # Arguments
+///
+/// * `pid` - The PID of the process to send the signal to
+/// * `signal` - The signal to send
+#[no_mangle]
+pub extern "C" fn send_signal(pid: PID, signal: Signals) {}

ableos/src/syscalls/time_calls.rs

@@ -0,0 +1,28 @@
+//! Time related system calls.
+
+use core::panic;
+
+/// Seconds and milliseconds since the Unix epoch.
+#[repr(C)]
+pub struct SecondsTime {
+    seconds: u64,
+    milliseconds: u64,
+}
+
+/// Sleep the calling process for the given number of milliseconds
+#[no_mangle]
+pub extern "C" fn sleep(time: SecondsTime) {
+    panic!("sleep is not implemented yet");
+}
+
+#[no_mangle]
+/// Get the current time in seconds, milliseconds
+pub extern "C" fn get_time() -> SecondsTime {
+    panic!("get_time not implemented");
+}
+
+#[no_mangle]
+/// Set the current time in seconds, milliseconds
+pub extern "C" fn set_time(time: SecondsTime) {
+    panic!("set_time not implemented");
+}

ableos/src/virtio/mod.rs

@@ -3,7 +3,7 @@
 //! This module contains the virtio device structural code.
 //!
 //! # Notes
-//! https://docs.oasis-open.org/virtio/virtio/v1.1/csprd01/virtio-v1.1-csprd01.html#x1-20001
+//! <https://docs.oasis-open.org/virtio/virtio/v1.1/csprd01/virtio-v1.1-csprd01.html#x1-20001>
 
 pub struct VirtioDevice {
     status: VirtioDeviceStatus,

ableos/src/wasm/mod.rs

@@ -92,7 +92,7 @@ impl WasmProgram {
     /// # Examples
     /// ```
     /// use wasm_loader::wasm::WasmProgram;
-    /// let wasm_program = WasmProgram::new_from_bytes(b"\0\0\0\0\1\0\0\0");
+    /// let wasm_program = WasmProgram::new_from_bytes(b"\0\0\0\01\0\0\0");
     /// assert_eq!(wasm_program.is_valid(), (true, false));
     /// ```
     pub fn validate_header(self) -> (bool, bool) {