scheduler work and commit

ableos/Cargo.toml

@@ -52,32 +52,24 @@ version = "*"
 default-features = false
 features = ["alloc"]
 
-
-
 [dependencies.rkyv]
 version = "0.7.29"
 default-features = false
 features = ["size_64", "alloc"]
 
-
 [dependencies.smoltcp] 
 version = "0.8.0"
 default-features = false
 features = ["log", "proto-ipv4"] 
- 
-
 
 [dependencies.y-compositor-protocol]
 git = "https://git.ablecorp.us:443/able/y-compositor-protocol.git"
 
-
-
-
-
 [dependencies.shadeable]
 path = "../shadeable"
 
 [dependencies.ab_glyph]
+version = "*"
 default-features = false
 features = ["libm"]
 

ableos/assets/kernel_config.json

@@ -1,6 +1,7 @@
  {
      "logging_level": "Trace",
+     "logger_padding": 10,
      "run_tests": false,
      "run_demos": false,
-     "run_shader_tests": true
+     "run_shader_tests": false
  }

ableos/src/arch/x86_64/drivers/mod.rs

@@ -1,5 +1,8 @@
 pub mod allocator;
 pub mod graphics;
 pub mod serial;
+
+pub mod timer;
+
 // #[deprecated(note = "The use of hardware specific drivers for VGA is discouraged")]
 pub mod vga;

ableos/src/arch/x86_64/drivers/timer.rs

@@ -0,0 +1,2 @@
+/// This magic value is the herts of the timer interupts normalized
+pub const TIMER_INTERRUPT_HERTZ: f64 = 1193182.0;

ableos/src/arch/x86_64/interrupts.rs

@@ -93,16 +93,12 @@ extern "x86-interrupt" fn keyboard_interrupt_handler(_stack_frame: InterruptStac
                             // print!(" ");
                             // WRITER.lock().backspace();
                         }
-                        0x12 => {
-                            KERNEL_STATE.lock().shutdown();
-                        }
 
                         // Enter
                         0x0A => {
-                            let _xyz = crate::kmain::KEY_BUFFER.lock();
+                            // let _xyz = crate::kmain::KEY_BUFFER.lock();
 
-                            // println!("{:?}", clparse::Command::parse(xyz.to_string()));
-                            print!("{}", char::try_from(character).unwrap());
+                            // print!("{}", char::try_from(character).unwrap());
                         }
                         _ => {
                             print!("{}", char::try_from(character).unwrap());
@@ -123,11 +119,8 @@ extern "x86-interrupt" fn keyboard_interrupt_handler(_stack_frame: InterruptStac
                     value: key,
                 } => match KeyCode::from(key) {
                     KeyCode::AltLeft => {}
-
-                    KeyCode::AltRight => {
-                        let xyz = crate::kmain::KEY_BUFFER.lock();
-                        println!("{:?}", &xyz);
-                    }
+                    // KeyCode::Escape => {}
+                    KeyCode::AltRight => {}
                     _ => {
                         print!("{:?}", KeyCode::from(key))
                     }

ableos/src/boot_conf.rs

@@ -20,7 +20,7 @@ pub enum LogLevel {
 #[derive(Serialize, Debug, Deserialize)]
 pub struct BootConfig {
     pub logging_level: LogLevel,
-
+    pub logger_padding: usize,
     pub run_tests: bool,
     pub run_demos: bool,
     pub run_shader_tests: bool,
@@ -34,7 +34,7 @@ impl BootConfig {
         // same function as the one that produced serde_json::Value above, but
         // now we are asking it for a Person as output.
         let p: BootConfig = serde_json::from_str(data).unwrap();
-        info!("{:?}", p);
+        // info!("{:?}", p);
         p
     }
 

ableos/src/experiments/futex.rs

@@ -2,8 +2,6 @@ use core::time::Duration;
 
 use alloc::vec::Vec;
 
-use crate::scheduler::ThreadID;
-
 // pub struct Duration {}
 
 pub struct AtomicU32(u32);
@@ -53,7 +51,7 @@ pub fn futex_wake(atom: &AtomicU32, threads_to_wake: usize) {
 
 struct FutexWaitlist {
     address: u8,
-    data: Vec<ThreadID>,
+    // data: Vec<ThreadID>,
 }
 
 impl FutexWaitlist {

ableos/src/experiments/schedule.rs

@@ -1,26 +0,0 @@
-// Deprecated
-
-pub type Priority = [Process; 512];
-
-pub struct VirtualMemoryTable {}
-
-struct Process {
-    id: u64,
-    mem_table: *mut VirtualMemoryTable, // Pointer to a memory table
-}
-
-pub struct Scheduler {
-    pub high_priority: Priority,   //150
-    pub medium_priority: Priority, //100
-    pub low_priority: Priority,    // 50
-    pub next_pid: u64,
-}
-
-impl Scheduler {
-    pub fn bump_up() {}
-    pub fn bump_down() {}
-    pub fn schedule(&mut self) {
-        let current_pid = self.next_pid;
-        self.next_pid += 1;
-    }
-}

ableos/src/kmain.rs

@@ -100,8 +100,6 @@ pub fn kernel_main() -> ! {
     let ret = WasmProgram::new_from_bytes(&[0x00, 0x61, 0x73, 0x6d, 0x01, 0x00, 0x00, 0x00]);
     trace!("Binary Valid: {:?}", ret.validate_header());
 
-    // add a plus b
-
     if BOOT_CONF.run_tests {
         // quick and dirty testing framework
         screen_writer_test();

ableos/src/lib.rs

@@ -3,11 +3,11 @@
 #![no_std]
 #![feature(
     abi_x86_interrupt,
-    asm,
+    // asm,
     asm_sym,
     alloc_error_handler,
     core_intrinsics,
-    global_asm,
+    // global_asm,
     lang_items,
     llvm_asm,
     naked_functions
@@ -41,11 +41,11 @@ pub mod keyboard;
 pub mod kmain;
 pub mod logger;
 pub mod panic;
-pub mod proc;
 pub mod relib;
 pub mod scheduler;
 mod unicode_utils;
 pub mod utils;
+pub mod wasm;
 
 pub extern crate alloc;
 pub extern crate externc_libm as libm;

ableos/src/logger.rs

@@ -1,8 +1,13 @@
+use core::sync::atomic::Ordering;
+
+use crate::kmain::{BOOT_CONF, TICK};
 use crate::serial_println;
 use lliw::{Fg, Reset};
 pub use log::{debug, info, trace, warn};
 use log::{Level, Metadata, Record};
 
+use crate::arch::drivers::timer::TIMER_INTERRUPT_HERTZ;
+
 struct SimpleLogger;
 
 impl log::Log for SimpleLogger {
@@ -12,7 +17,10 @@ impl log::Log for SimpleLogger {
 
     fn log(&self, record: &Record) {
         if self.enabled(record.metadata()) {
-            let color; // = (Fg::Reset, "$GREEN$");
+            let color;
+            let time = TICK.load(Ordering::Relaxed) as f64;
+
+            let time_float = time / TIMER_INTERRUPT_HERTZ;
 
             match record.level() {
                 log::Level::Error => color = (Fg::Red, "$RED$"),
@@ -21,22 +29,16 @@ impl log::Log for SimpleLogger {
                 log::Level::Debug => color = (Fg::Blue, "$BLUE$"),
                 log::Level::Trace => color = (Fg::Yellow, "$YELLOW$"),
             }
-            /*
-            println!(
-                "[{}{}$RESET$][$GREEN$FakeTempTime$RESET$] {}",
-                color.1,
-                record.level(),
-                record.args()
-            );
-            */
+
             serial_println!(
-                "[{}{}{}][{}FakeTempTime{}] {}",
+                "[{}{}{}][{}{}{}] {}",
                 color.0,
                 record.level(),
                 Fg::Reset,
                 Fg::Green,
+                time_float,
                 Reset,
-                record.args()
+                record.args(),
             );
         }
     }

ableos/src/proc.rs

@@ -1,5 +0,0 @@
-use crate::relib::clparse::Command;
-
-pub struct ProccessStart {
-    command: Command,
-}

ableos/src/relib/clparse/mod.rs

@@ -10,13 +10,13 @@ clparse
 */
 
 // use std::collections::HashMap;
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub struct Argument {
     key: String,
     value: String,
 }
 
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub struct Command {
     pub root_command: String,
     // arguments: HashMap<String, String>,

ableos/src/scheduler.rs

@@ -1,85 +0,0 @@
-use {
-    crate::kmain::THREAD_LIST,
-    alloc::{vec, vec::Vec},
-    core::cmp::Ordering,
-};
-
-pub type Pointer = fn();
-pub type ThreadID = u64;
-pub type TaskID = u64;
-pub type ThreadList = Vec<Thread>;
-
-#[allow(dead_code)]
-#[derive(Eq, Debug)]
-pub struct Task {
-    id: TaskID,
-    parent_thread: ThreadID,
-    fn_pointer: Pointer,
-}
-impl Task {
-    fn new(parent_thread: ThreadID, task_id: u64, function_pointer: fn()) -> Self {
-        debug!(
-            "New task with TaskID: {} | Parent ThreadID: {}",
-            task_id, parent_thread
-        );
-
-        Self {
-            id: task_id,
-            parent_thread,
-            fn_pointer: function_pointer,
-        }
-    }
-}
-impl Ord for Task {
-    fn cmp(&self, other: &Self) -> Ordering {
-        self.id.cmp(&other.id)
-    }
-}
-
-impl PartialOrd for Task {
-    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
-        Some(self.cmp(other))
-    }
-}
-
-impl PartialEq for Task {
-    fn eq(&self, other: &Self) -> bool {
-        self.id == other.id
-    }
-}
-#[derive(Debug)]
-pub struct Thread {
-    pub id: ThreadID,
-    pub tasks: Vec<Task>,
-}
-impl Thread {
-    pub fn new() -> Self {
-        let threads = &*THREAD_LIST.lock();
-        let mut final_threadid = 0;
-        match threads.last() {
-            Some(last_thread) => final_threadid = last_thread.id + 1,
-            None => {}
-        }
-        debug!("New thread with ThreadID: {}", final_threadid);
-        Self {
-            id: final_threadid,
-            tasks: vec![],
-        }
-    }
-    pub fn sort_tasks(&mut self) {
-        self.tasks.sort();
-    }
-    pub fn new_task_id(&self) -> TaskID {
-        let task_id = self.tasks.len().try_into().unwrap();
-        trace!("New TaskID: {}", task_id);
-        task_id
-    }
-    pub fn new_task(&mut self, function_pointer: fn()) {
-        let x = Task::new(self.id, self.new_task_id(), function_pointer);
-        self.tasks.push(x);
-    }
-}
-
-pub fn test_fn() {
-    println!("Hello");
-}

ableos/src/scheduler/capabilities.rs

@@ -0,0 +1,64 @@
+use alloc::vec::Vec;
+
+/// Placeholder to be replaced with a proper FileReference when such a thing exists
+pub type FileID = u8;
+pub type SoundCardID = u8;
+pub type DeviceID = u8;
+pub type ControllerID = u8;
+
+#[derive(Clone, Debug)]
+pub enum FileAccess {
+    All,
+    Some(Vec<FileID>),
+    None,
+}
+
+#[derive(Clone, Debug)]
+pub enum ControllerAccess {
+    All,
+    Some(Vec<ControllerID>),
+    None,
+}
+
+#[derive(Clone, Debug)]
+pub enum SoundCardAccess {
+    All,
+    Some(Vec<SoundCardID>),
+    None,
+}
+
+#[derive(Clone, Debug)]
+pub enum MouseAccess {
+    Yes,
+    No,
+}
+
+#[derive(Clone, Debug)]
+pub enum KeyboardAccess {
+    Yes,
+    No,
+}
+
+#[derive(Clone, Debug)]
+pub struct Capabilities {
+    files: FileAccess,
+    mouse: MouseAccess,
+    keyboard: KeyboardAccess,
+    controllers: ControllerAccess,
+    sound_cards: SoundCardAccess,
+}
+
+impl Capabilities {
+    /// Generate a set of empty capabilities
+    pub fn empty() -> Self {
+        Self {
+            files: FileAccess::None,
+            mouse: MouseAccess::No,
+            keyboard: KeyboardAccess::No,
+            controllers: ControllerAccess::None,
+            sound_cards: SoundCardAccess::None,
+        }
+    }
+}
+
+

ableos/src/scheduler/mod.rs

@@ -0,0 +1,110 @@
+#![warn(missing_docs)]
+use alloc::{vec, vec::Vec};
+
+pub mod capabilities;
+pub mod proc;
+use proc::{Process, ProcessPermissions, PID};
+
+use self::capabilities::Capabilities;
+
+lazy_static::lazy_static!(
+
+        /// The standard implementation for ableOS
+        pub static ref SCHEDULER: spin::Mutex<Scheduler> = spin::Mutex::new(Scheduler::new());
+
+);
+
+// pub struct VirtualMemoryTable {}
+
+/// Scheduler priority model
+#[derive(Clone, Copy, Debug)]
+pub enum Priority {
+    /// Exclusively Kernel space | 20 Timer Tick execution time
+    High,
+    /// Kernel / User space | 15 Timer Tick execution time
+    Medium,
+    /// low priority userspace code | 10 Timer Tick execution time
+    Low,
+}
+
+/// Placeholder
+#[derive(Clone, Debug)]
+pub struct FileID(u8);
+
+#[derive(Clone, Debug)]
+pub enum FileAccessTypes {
+    All,
+    Some(Vec<FileID>),
+    None,
+}
+
+///
+#[derive(Clone, Debug)]
+pub struct Scheduler {
+    pub free_pid: PID,
+
+    pub process_exec_time: u64,
+    pub list: Vec<Process>,
+}
+
+impl Scheduler {
+    pub fn new() -> Self {
+        Self {
+            list: vec![],
+            process_exec_time: 0,
+            free_pid: PID(0),
+        }
+    }
+
+    pub fn next_process(&mut self) {
+        self.process_exec_time = 0;
+        let previous_task = self.list[0].clone();
+        self.list.remove(0);
+        self.list.push(previous_task);
+    }
+
+    /// Create a
+    pub fn new_process(&mut self, priority: Priority) {
+        // let new_pid = self.free_pid;
+
+        let process = Process {
+            id: self.free_pid.clone(),
+            capabilities: Capabilities::empty(),
+            priority,
+        };
+        self.free_pid.0 += 1;
+        self.list.push(process);
+    }
+    /// Terminate the process with the matching PID
+    pub fn term_process(&mut self, pid: PID) {
+        let mut process_index = 0;
+        for x in &self.list {
+            if x.id == pid {
+                self.list.remove(process_index);
+                break;
+            }
+            process_index += 1
+        }
+    }
+
+    pub fn bump_exec(&mut self) {
+        self.process_exec_time += 1;
+        use Priority::*;
+
+        if self.list.len() > 0 {
+            match (self.process_exec_time, self.list[0].priority) {
+                (20, High) => {
+                    self.next_process();
+                }
+                (15, Medium) => {
+                    self.next_process();
+                }
+                (10, Low) => {
+                    self.next_process();
+                }
+
+                (_, _) => {}
+            }
+        }
+    }
+}

ableos/src/scheduler/proc.rs

@@ -0,0 +1,27 @@
+//! Process definition and general utilities surrounding them
+
+use super::{capabilities::Capabilities, FileAccessTypes, Priority};
+
+/// Process Identification
+#[derive(Clone, PartialEq, Debug)]
+
+pub struct PID(pub usize);
+
+/// Temporary till integration of capabilities
+#[derive(Clone, Debug)]
+pub struct ProcessPermissions {
+    pub file_access: FileAccessTypes,
+}
+
+/// A process
+#[derive(Clone, Debug)]
+pub struct Process {
+    /// Internal PID
+    pub id: PID,
+    ///
+    pub capabilities: Capabilities,
+    /// A process's priority
+    pub priority: Priority,
+}
+
+impl Process {}

ableos/src/vga_e.rs

@@ -32,7 +32,7 @@ pub fn draw_char(previous_character: Option<char>, character: char, _offset: usi
     .unwrap();
 
     let font2 = FontRef::try_from_slice(include_bytes!(
-        "../../ableos/assets/fonts/unifont_upper-14.0.01.ttf" // "../../ableos/assets/fonts/OpenSansEmoji.ttf"
+        "../../ableos/assets/fonts/unifont_upper-14.0.01.ttf"
     ))
     .unwrap();
 

ableos/src/wasm/mod.rs

@@ -0,0 +1,50 @@
+use alloc::vec::Vec;
+
+/// `NULL a s m` as an array of 4 bytes
+pub const WASM_BINARY_MAGIC: [u8; 4] = [0x00, 0x61, 0x73, 0x6d];
+///  `1 0 0 0` as an array of 4 bytes
+pub const WASM_VERSION: [u8; 4] = [0x01, 0x00, 0x00, 0x00];
+
+/// Validate a wasm header (8 bytes)
+
+pub enum SectionType {
+    None = 0,
+    Type = 1,
+}
+
+pub struct Section {
+    stype: SectionType,
+    section_size: u8,
+}
+
+pub struct WasmProgram {
+    raw_bytes: Vec<u8>,
+    // version:
+}
+
+impl WasmProgram {
+    pub fn new_from_bytes(bytes: &[u8]) -> Self {
+        Self {
+            raw_bytes: bytes.to_vec(),
+        }
+    }
+
+    pub fn validate_header(self) -> (bool, bool) {
+        let mut byte_magic_valid = false;
+        let mut byte_version_valid = false;
+
+        if self.raw_bytes[0..4] == WASM_BINARY_MAGIC {
+            byte_magic_valid = true;
+        }
+
+        if self.raw_bytes[4..8] == WASM_VERSION {
+            byte_version_valid = true;
+        }
+        return (byte_magic_valid, byte_version_valid);
+    }
+
+
+
+
+    
+}