tack inplace hbvm

Cargo.lock

@@ -5,9 +5,10 @@ version = 3
 [[package]]
 name = "able_graphics_library"
 version = "0.1.2"
-source = "git+https://git.ablecorp.us/ableos/ableos_userland#70a65fc10d2caafe370be90eb0e31aa7d9347218"
+source = "git+https://git.ablecorp.us/ableos/ableos_userland#f433484f2f56a4e8f77b1f39680b88c3d1e27830"
 dependencies = [
  "embedded-graphics",
+ "log",
  "versioning",
 ]
 
@@ -140,9 +141,9 @@ dependencies = [
 [[package]]
 name = "clparse"
 version = "0.1.0"
-source = "git+https://git.ablecorp.us/ableos/ableos_userland#70a65fc10d2caafe370be90eb0e31aa7d9347218"
+source = "git+https://git.ablecorp.us/ableos/ableos_userland#f433484f2f56a4e8f77b1f39680b88c3d1e27830"
 dependencies = [
- "hashbrown 0.13.2",
+ "hashbrown 0.12.3",
  "log",
  "toml",
 ]
@@ -364,6 +365,15 @@ dependencies = [
  "ahash 0.8.3",
 ]
 
+[[package]]
+name = "hbvm"
+version = "0.1.0"
+source = "git+https://git.ablecorp.us/ableos/holey-bytes#76302b4ca8aeda6597ee51cb1cf5f59a5d385c4f"
+dependencies = [
+ "hashbrown 0.13.2",
+ "log",
+]
+
 [[package]]
 name = "hermit-abi"
 version = "0.1.19"
@@ -457,7 +467,8 @@ dependencies = [
  "derive_more",
  "embedded-graphics",
  "error-stack 0.3.1",
- "hashbrown 0.13.2",
+ "hashbrown 0.12.3",
+ "hbvm",
  "limine",
  "log",
  "rdrand",
@@ -822,7 +833,7 @@ checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 [[package]]
 name = "versioning"
 version = "0.1.3"
-source = "git+https://git.ablecorp.us/ableos/ableos_userland#70a65fc10d2caafe370be90eb0e31aa7d9347218"
+source = "git+https://git.ablecorp.us/ableos/ableos_userland#f433484f2f56a4e8f77b1f39680b88c3d1e27830"
 dependencies = [
  "serde",
 ]
@@ -1110,7 +1121,7 @@ dependencies = [
 [[package]]
 name = "xml"
 version = "0.1.0"
-source = "git+https://git.ablecorp.us/ableos/ableos_userland#70a65fc10d2caafe370be90eb0e31aa7d9347218"
+source = "git+https://git.ablecorp.us/ableos/ableos_userland#f433484f2f56a4e8f77b1f39680b88c3d1e27830"
 dependencies = [
  "serde",
 ]

README.md

@@ -3,5 +3,4 @@ TODO:
 
 # Compiling
 1. `git submodule --update init`
-1. Add [this binary](https://git.ablecorp.us/AbleOS/ableos/src/commit/e6c8d184d42961cf3cfa2e4aa319fc86c8880585/test.wasm) to the root.
 1. `cargo repbuild`

kernel/Cargo.toml

@@ -6,7 +6,7 @@ resolver = "2"
 
 [dependencies]
 
-
+hbvm = { git = "https://git.ablecorp.us/ableos/holey-bytes" }
 embedded-graphics = "0.7.1"
 
 

kernel/lds/x86_64.ld

@@ -47,7 +47,8 @@ SECTIONS
         /* Align initial kernel heap to page boundary */
         . = ALIGN(4K);
         PROVIDE(_initial_kernel_heap_start = .);
-        PROVIDE(_initial_kernel_heap_size = 1024 * 1024);
+        /* PROVIDE(_initial_kernel_heap_size = 1024 * 1024); */
+        PROVIDE(_initial_kernel_heap_size = 1024 * 4096);
         . += _initial_kernel_heap_size;
     } :data
 }

kernel/src/allocator.rs

@@ -39,6 +39,8 @@ struct Allocator(Mutex<Option<Heap>>);
 
 unsafe impl GlobalAlloc for Allocator {
     unsafe fn alloc(&self, layout: Layout) -> *mut u8 {
+        // log::info!("Global allocation");
+
         let mut lock = self.0.lock();
         let allocator = lock.as_mut().expect("heap allocator should be initialized");
 

kernel/src/arch/x86_64/graphics.rs

@@ -12,6 +12,7 @@ use {
 pub static DISPLAY: Lazy<Mutex<Display>> = Lazy::new(|| {
     static FB_REQ: FramebufferRequest = FramebufferRequest::new(0);
     let fb1: &NonNullPtr<Framebuffer> = &FB_REQ.get_response().get().unwrap().framebuffers()[0];
+
     {
         use crate::alloc::string::ToString;
         let mut dt = DEVICE_TREE.lock();
@@ -22,8 +23,13 @@ pub static DISPLAY: Lazy<Mutex<Display>> = Lazy::new(|| {
         disp.set_attribute("bits per pixel", fb1.bpp);
         dt.devices.insert("Displays".to_string(), alloc::vec![disp]);
     }
+    let size: usize = (fb1.width * fb1.height).try_into().unwrap();
+    let back_buffer: alloc::vec::Vec<u32> = alloc::vec![0;  800*600];
+
     let m = Mutex::new(Display {
         fb:    fb1.address.as_ptr().unwrap().cast(),
+        // bb:    fb1.address.as_ptr().unwrap().cast(),
+        bb:    back_buffer.as_slice().as_ptr() as *mut u32,
         size:  Size::new(fb1.width as u32, fb1.height as u32),
         color: Rgb888::WHITE,
     });

kernel/src/arch/x86_64/logging.rs

@@ -7,7 +7,7 @@ use {
     uart_16550::SerialPort,
 };
 
-static SERIAL_CONSOLE: Mutex<SerialPort> = Mutex::new(unsafe { SerialPort::new(0x3F8) });
+pub static SERIAL_CONSOLE: Mutex<SerialPort> = Mutex::new(unsafe { SerialPort::new(0x3F8) });
 static TERMINAL_LOGGER: Lazy<Mutex<TermLogger>> = Lazy::new(|| Mutex::new(TermLogger::new()));
 
 pub fn init() {
@@ -17,8 +17,10 @@ pub fn init() {
 
 pub fn log(args: core::fmt::Arguments<'_>) -> core::fmt::Result {
     x86_64::instructions::interrupts::without_interrupts(|| {
-        TERMINAL_LOGGER.lock().write_fmt(args)?;
+        // TERMINAL_LOGGER.lock().write_fmt(args)?;
-        SERIAL_CONSOLE.lock().write_fmt(args)
+        let mut sc = SERIAL_CONSOLE.lock();
+        sc.write_fmt(args)?;
+        Ok(())
     })
 }
 

kernel/src/arch/x86_64/mod.rs

@@ -8,9 +8,9 @@ pub mod memory;
 
 mod cpuid;
 mod gdt;
-mod graphics;
+pub mod graphics;
 pub(crate) mod interrupts;
-mod logging;
+pub mod logging;
 pub mod pci;
 pub mod virtio;
 
@@ -114,12 +114,57 @@ unsafe extern "C" fn _kernel_start() -> ! {
         graphics::init();
         let mut dis = DISPLAY.lock();
         use {able_graphics_library::raw_pixel, embedded_graphics::prelude::RgbColor};
-        dis.set_color(Rgb888::GREEN);
+        // dis.set_color(Rgb888::GREEN);
-        dis.line(1, 1, 700, 1000, 1);
+        // dis.line(400, 400, 700, 100, 50);
-        // dis.line(10, 10, 100, 10, 10);
+
-        // dis.line(100, 10, 1, 1, 10);
+        // dis.set_color(Rgb888::new(100, 23, 100));
+
+        // dis.line(100, 100, 400, 400, 3);
+
+        // dis.line(100, 100, 700, 100, 1);
+        dis.set_color(Rgb888::YELLOW);
+        let thick = 3;
+        let p1 = (400, 30);
+        let p2 = (200, 150);
+        let p3 = (600, 150);
+        let p4 = (200, 350);
+        let p5 = (600, 350);
+        let p6 = (400, 470);
+
+        {
+            //HEXAGON
+
+            dis.line(p1.0, p1.1, p2.0, p2.1, thick);
+            dis.line(p1.0, p1.1, p3.0, p3.1, thick);
+            dis.line(p2.0, p2.1, p4.0, p4.1, thick);
+            dis.line(p3.0, p3.1, p5.0, p5.1, thick);
+            dis.line(p6.0, p6.1, p4.0, p4.1, thick);
+            dis.line(p6.0, p6.1, p5.0, p5.1, thick);
+        }
+        {
+            dis.line(600, 150, 200, 350, thick);
+            dis.line(600, 350, 400, 250, thick);
+        }
+
+        {
+            dis.set_color(Rgb888::WHITE);
+            let hp1 = (350, 150);
+            let hp2 = (350, 350);
+            let hp3 = (450, 250);
+            let hp4 = (350, 250);
+            let hp5 = (450, 150);
+            let hp6 = (450, 350);
+
+            dis.line(hp1.0, hp1.1, hp2.0, hp2.1, thick);
+            dis.line(hp3.0, hp3.1, hp4.0, hp4.1, thick);
+            dis.line(hp5.0, hp5.1, hp6.0, hp6.1, thick);
+        }
+
+        dis.swap_buffers();
     }
 
+    let rand = xml::XMLElement::new("Random");
+
     crate::kmain::kmain(
         KFILE_REQ
             .get_response()
@@ -144,7 +189,7 @@ unsafe extern "C" fn _kernel_start() -> ! {
             }),
     )
 }
-
+use embedded_graphics::prelude::WebColors;
 /// Spin loop
 pub fn sloop() -> ! {
     loop {

kernel/src/arch/x86_64/pci/mod.rs

@@ -23,10 +23,22 @@ pub fn init() {
                 let id = device_info.device_id.id;
                 use Vendor::*;
                 let (dev_type, dev_name) = match (vendor, id) {
+                    (Qemu, 4369) => ("GPUs", "QEMU VGA"),
                     (VirtIO, 4176) => ("GPUs", "VirtIO PCI GPU"),
                     (CirrusLogic, 184) => ("GPUs", "Cirrus SVGA"), //GD 5446?
                     (_, _) => ("Unidentified PCI", "UNKNOWN DEVICE"),
                 };
+                // let (dev_type, dev_name) = match device_info.full_class {
+                //     PciFullClass::Unclassified_NonVgaCompatible => todo!(),
+                //     PciFullClass::Unclassified_VgaCompatible => todo!(),
+
+                //     PciFullClass::Display_VGA => ("GPUs", "VGA Device"),
+                //     PciFullClass::Display_XGA => ("GPUs", "XGA Device"),
+                //     PciFullClass::Display_3D => ("GPUs", "3D Device"),
+                //     PciFullClass::Display_Other => ("GPUs", "Other"),
+
+                //     _ => ("Unidentified PCI", "UNKNOWN DEVICE"),
+                // };
 
                 let mut dev = xml::XMLElement::new(dev_name);
                 let mut pci_info = xml::XMLElement::new("PCI Info");

kernel/src/device_tree.rs

@@ -3,6 +3,7 @@ use alloc::{string::String, vec::Vec};
 use {crate::alloc::string::ToString, core::fmt, hashbrown::HashMap};
 pub type Device = xml::XMLElement;
 
+// TODO: alphabatize this list
 #[derive(Debug)]
 pub struct DeviceTree {
     pub devices: HashMap<String, Vec<Device>>,

kernel/src/host_functions.rs

@@ -0,0 +1,57 @@
+use {alloc::collections::VecDeque, hbvm::engine::Engine};
+
+use {
+    crossbeam_queue::{ArrayQueue, SegQueue},
+    log::trace,
+};
+
+use crate::{ipc::message::Message, kmain::DEVICE_TREE};
+pub enum HostError {
+    MemoryError,
+}
+
+pub fn ipc_send(engine: &mut Engine) -> Result<(), HostError> {
+    let handle = engine.registers.f0;
+    let message_start = engine.registers.f1;
+    let message_length = engine.registers.f2;
+
+    let mut ipc_msg: alloc::vec::Vec<u8> = alloc::vec![];
+
+    for x in message_start..message_start + message_length {
+        let byte = engine.read_mem_addr_8(x);
+        match byte {
+            Ok(byte) => ipc_msg.push(byte),
+            Err(_) => return Err(HostError::MemoryError),
+        }
+    }
+    log::trace!("Message bytes {:?}", ipc_msg);
+    Ok(())
+}
+
+pub fn ipc_recv(engine: &mut Engine) {}
+
+/// Check f0 for the buffer type
+/// 0 means an unbound buffer
+/// 1 means a bound buffer
+/// Check f1 if the buffer is bound
+///
+/// f2 Return a handle to the sender
+/// f3 returns a handle the the reciever
+pub fn ipc_mkbuf(engine: &mut Engine) {
+    match engine.registers.f0 as usize {
+        0 => {
+            trace!("Making a new ipc unbound buffer");
+            let buf: SegQueue<Message> = SegQueue::new();
+        }
+        1 => {
+            let buf_len = engine.registers.f1 as usize;
+            trace!("Making a new ipc buffer with capacity {}", buf_len);
+            let buf: ArrayQueue<Message> = ArrayQueue::new(buf_len);
+        }
+        _ => {}
+    }
+}
+
+pub fn rpc_discover(engine: &mut Engine) {}
+pub fn rpc_register(engine: &mut Engine) {}
+pub fn rpc_call(engine: &mut Engine) {}

kernel/src/ipc/buffer.rs

@@ -0,0 +1,15 @@
+use crossbeam_queue::{ArrayQueue, SegQueue};
+
+use super::message::Message;
+
+enum BufferTypes {
+    Unbound(SegQueue<Message>),
+    Bound(ArrayQueue<Message>),
+}
+
+pub struct IpcBuffer {
+    protocol: Protocol,
+    buffer:   BufferTypes,
+}
+
+pub struct Protocol {}

kernel/src/ipc/message.rs

@@ -0,0 +1,3 @@
+use alloc::vec::Vec;
+
+pub type Message = Vec<u8>;

kernel/src/ipc/mod.rs

@@ -0,0 +1,24 @@
+pub mod buffer;
+pub mod message;
+
+use alloc::string::ToString;
+
+pub struct IpcV1 {
+    abc: alloc::string::String,
+}
+
+pub struct IpcV2 {
+    abc: alloc::string::String,
+}
+
+pub fn IPCV1_to_IPCV2(ipc_v1: IpcV1) -> IpcV2 {
+    return IpcV2 {
+        abc: "abc".to_string(),
+    };
+}
+
+pub fn IPCV2_to_IPCV1(ipc_v2: IpcV2) -> IpcV1 {
+    return IpcV1 {
+        abc: "abc".to_string(),
+    };
+}

kernel/src/kmain.rs

@@ -7,7 +7,13 @@ use {
     spin::{Lazy, Mutex},
 };
 
-use crate::device_tree::DeviceTree;
+use {embedded_graphics::pixelcolor::Rgb888, hbvm::engine::Engine};
+
+use crate::{
+    arch::{graphics::DISPLAY, logging::SERIAL_CONSOLE},
+    device_tree::DeviceTree,
+    // host_functions::read_device_tree,
+};
 
 use crate::alloc::string::ToString;
 
@@ -39,10 +45,40 @@ pub fn kmain(cmdline: &str, bootstrap: Option<&'static [u8]>) -> ! {
     let mut dt = DEVICE_TREE.lock();
 
     info!("Device Tree {}", &dt);
+
+    let bytes = alloc::vec![0];
+    let mut prog = Engine::new(bytes);
+    // prog.enviroment_call_table[0] = read_device_tree;
+    prog.run();
+    prog.dump();
+
+    // TODO: change this to a driver
+    {
+        let mut buf = [8; 128 * 4];
+
+        let mut sc = SERIAL_CONSOLE.lock();
+        loop {
+            let byte = sc.receive();
+            if byte == b'\r' {
+                sc.send(b'\n');
+            }
+            sc.send(byte);
+        }
+    }
+
     crate::arch::sloop()
 }
+use embedded_graphics::prelude::RgbColor;
 
+use hbvm::bytecode::ops::Operations::*;
 pub static DEVICE_TREE: Lazy<Mutex<DeviceTree>> = Lazy::new(|| {
     let mut dt = DeviceTree::new();
     Mutex::new(dt)
 });
+
+#[test_case]
+fn trivial_assertion() {
+    trace!("trivial assertion... ");
+    assert_eq!(1, 1);
+    info!("[ok]");
+}

kernel/src/lib.rs

@@ -10,6 +10,9 @@
     ptr_sub_ptr
 )]
 #![no_std]
+#![feature(custom_test_frameworks)]
+#![test_runner(crate::test_runner)]
+
 // #![deny(missing_docs)]
 
 extern crate alloc;
@@ -18,10 +21,11 @@ mod allocator;
 mod arch;
 pub mod device_tree;
 pub mod handle;
+pub mod host_functions;
+pub mod ipc;
 mod kmain;
 mod logger;
 mod memory;
-mod task;
 pub mod utils;
 
 use versioning::Version;
@@ -50,3 +54,11 @@ fn panic(info: &core::panic::PanicInfo) -> ! {
 
     loop {}
 }
+
+#[cfg(test)]
+fn test_runner(tests: &[&dyn Fn()]) {
+    println!("Running {} tests", tests.len());
+    for test in tests {
+        test();
+    }
+}

kernel/src/main.rs

@@ -1,4 +1,3 @@
 #![no_std]
 #![no_main]
-
 extern crate kernel;

kernel/src/task.rs

@@ -1,149 +0,0 @@
-//! Async task and executor
-
-use alloc::{boxed::Box, collections::BTreeMap, sync::Arc, task::Wake};
-use core::{
-    future::Future,
-    pin::Pin,
-    task::{Context, Poll, Waker},
-};
-use crossbeam_queue::SegQueue;
-use slab::Slab;
-use spin::RwLock;
-
-type TaskQueue = Arc<SegQueue<TaskId>>;
-type SpawnQueue = Arc<SegQueue<Task>>;
-
-static SPAWN_QUEUE: RwLock<Option<SpawnQueue>> = RwLock::new(None);
-
-/// Spawn a new task
-pub fn spawn(future: impl Future<Output = ()> + Send + 'static) {
-    match &*SPAWN_QUEUE.read() {
-        Some(s) => s.push(Task::new(future)),
-        None => panic!("no task executor is running"),
-    }
-}
-
-/// Forcibly yield a task
-pub fn yield_now() -> impl Future<Output = ()> {
-    struct YieldNow(bool);
-    impl Future for YieldNow {
-        type Output = ();
-
-        fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
-            if self.0 {
-                Poll::Ready(())
-            } else {
-                self.0 = true;
-                cx.waker().wake_by_ref();
-                Poll::Pending
-            }
-        }
-    }
-
-    YieldNow(false)
-}
-
-/// Tasks executor
-#[derive(Default)]
-pub struct Executor {
-    /// All spawned tasks' stash
-    tasks: Slab<Task>,
-
-    /// Awake tasks' queue
-    queue: TaskQueue,
-
-    /// Incoming tasks to enqueue
-    incoming: SpawnQueue,
-
-    /// Wakers
-    wakers: BTreeMap<TaskId, Waker>,
-}
-
-impl Executor {
-    /// Spawn a task
-    pub fn spawn(&mut self, future: impl Future<Output = ()> + Send + 'static) {
-        self.queue
-            .push(TaskId(self.tasks.insert(Task::new(future))));
-    }
-
-    /// Spin poll loop until it runs out of tasks
-    pub fn run(&mut self) {
-        // Assign `self.incoming` to global spawn queue to spawn tasks
-        // from within
-        {
-            let mut spawner = SPAWN_QUEUE.write();
-            if spawner.is_some() {
-                panic!("task executor is already running");
-            }
-
-            *spawner = Some(Arc::clone(&self.incoming));
-        }
-
-        // Try to get incoming task, if none available, poll
-        // enqueued one
-        while let Some(id) = self
-            .incoming
-            .pop()
-            .map(|t| TaskId(self.tasks.insert(t)))
-            .or_else(|| self.queue.pop())
-        {
-            let Some(task) = self.tasks.get_mut(id.0) else {
-                panic!("attempted to get non-extant task with id {}", id.0)
-            };
-
-            let mut cx = Context::from_waker(self.wakers.entry(id).or_insert_with(|| {
-                Waker::from(Arc::new(TaskWaker {
-                    id,
-                    queue: Arc::clone(&self.queue),
-                }))
-            }));
-
-            match task.poll(&mut cx) {
-                Poll::Ready(()) => {
-                    // Task done, unregister
-                    self.tasks.remove(id.0);
-                    self.wakers.remove(&id);
-                }
-                Poll::Pending => (),
-            }
-        }
-
-        *SPAWN_QUEUE.write() = None;
-    }
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)]
-struct TaskId(usize);
-
-/// Async task
-struct Task {
-    future: Pin<Box<dyn Future<Output = ()> + Send>>,
-}
-
-impl Task {
-    /// Create a new task from a future
-    fn new(future: impl Future<Output = ()> + Send + 'static) -> Self {
-        Self {
-            future: Box::pin(future),
-        }
-    }
-
-    fn poll(&mut self, cx: &mut Context) -> Poll<()> {
-        self.future.as_mut().poll(cx)
-    }
-}
-
-struct TaskWaker {
-    id: TaskId,
-    queue: TaskQueue,
-}
-
-impl Wake for TaskWaker {
-    fn wake(self: Arc<Self>) {
-        self.wake_by_ref();
-    }
-
-    fn wake_by_ref(self: &Arc<Self>) {
-        self.queue.push(self.id);
-    }
-}