a touch of fiddling

Cargo.toml

@@ -1,3 +1,9 @@
 [workspace]
 resolver = "2"
-members = [ "dev","kernel", "repbuild"]
+members = ["dev", "kernel", "repbuild"]
+
+[profile.release]
+strip = "symbols"
+codegen-units = 1
+lto = true
+panic = "abort"

kernel/Cargo.toml

@@ -5,17 +5,17 @@ version = "0.2.0"
 
 
 [dependencies]
-embedded-graphics = "0.7"
+embedded-graphics = "0.8"
 hbvm.git = "https://git.ablecorp.us/ableos/holey-bytes"
 log = "0.4"
 spin = "0.9"
-uart_16550 = "0.2"
+uart_16550 = "0.3"
 slab = { version = "0.4", default-features = false }
 xml.git = "https://git.ablecorp.us/ableos/ableos_userland"
 versioning.git = "https://git.ablecorp.us/ableos/ableos_userland"
-able_graphics_library.git = "https://git.ablecorp.us/ableos/ableos_userland"
+# able_graphics_library.git = "https://git.ablecorp.us/ableos/ableos_userland"
-hashbrown = "*"
+hashbrown = "0.14"
-kiam = "0.1.1"
+kiam = "0.1"
 
 [dependencies.limine]
 version = "0.1"
@@ -26,12 +26,12 @@ version = "0.3"
 default-features = false
 features = ["alloc"]
 
-[dependencies.clparse]
+# [dependencies.clparse]
-git = "https://git.ablecorp.us/ableos/ableos_userland"
+# git = "https://git.ablecorp.us/ableos/ableos_userland"
-default-features = false
+# default-features = false
 
 [dependencies.derive_more]
-version = "0.99"
+version = "1"
 default-features = false
 features = [
     "add",
@@ -48,9 +48,9 @@ features = [
 
 
 [target.'cfg(target_arch = "x86_64")'.dependencies]
-x86_64 = "0.14"
+x86_64 = "0.15"
 x2apic = "0.4"
-virtio-drivers = "0.4.0"
+virtio-drivers = "0.7"
 # rdrand = "*"
 rdrand = { version = "0.8", default-features = false }
 

kernel/src/arch/x86_64/gdt.rs

@@ -39,7 +39,7 @@ static TSS: Lazy<TaskStateSegment> = Lazy::new(|| {
                 alloc::alloc::Layout::from_size_align(SIZE, 1).expect("stack pointer"),
             )
         };
-        VirtAddr::from_ptr(stack) + SIZE
+        VirtAddr::from_ptr(stack) + SIZE as u64
     };
     tss
 });
@@ -47,9 +47,9 @@ static TSS: Lazy<TaskStateSegment> = Lazy::new(|| {
 static GDT: Lazy<(GlobalDescriptorTable, Selectors)> = Lazy::new(|| {
     let mut gdt = GlobalDescriptorTable::new();
     let sels = Selectors {
-        kcode: gdt.add_entry(Descriptor::kernel_code_segment()),
+        kcode: gdt.append(Descriptor::kernel_code_segment()),
-        kdata: gdt.add_entry(Descriptor::kernel_data_segment()),
+        kdata: gdt.append(Descriptor::kernel_data_segment()),
-        tss:   gdt.add_entry(Descriptor::tss_segment(&TSS)),
+        tss:   gdt.append(Descriptor::tss_segment(&TSS)),
     };
     (gdt, sels)
 });

kernel/src/arch/x86_64/interrupts.rs

@@ -45,9 +45,9 @@ static IDT: Lazy<InterruptDescriptorTable> = Lazy::new(|| {
     }
     idt.page_fault.set_handler_fn(page_fault);
 
-    idt[Interrupt::ApicErr as usize].set_handler_fn(apic_err);
+    idt[Interrupt::ApicErr as u8].set_handler_fn(apic_err);
-    idt[Interrupt::Spurious as usize].set_handler_fn(spurious);
+    idt[Interrupt::Spurious as u8].set_handler_fn(spurious);
-    idt[Interrupt::Timer as usize].set_handler_fn(timer);
+    idt[Interrupt::Timer as u8].set_handler_fn(timer);
 
     idt
 });

kernel/src/arch/x86_64/logging.rs

@@ -1,11 +1,6 @@
 //! Logging (as in terms of console / serial output)
 #![allow(deprecated)]
-use {
+use {core::fmt::Write, spin::Mutex, uart_16550::SerialPort};
-    core::fmt::Write,
-    limine::{TerminalRequest, TerminalResponse},
-    spin::{Lazy, Mutex},
-    uart_16550::SerialPort,
-};
 
 pub static SERIAL_CONSOLE: Mutex<SerialPort> = Mutex::new(unsafe { SerialPort::new(0x3F8) });
 

kernel/src/arch/x86_64/mod.rs

@@ -1,7 +1,4 @@
-use {
+use {crate::bootmodules::BootModule, core::arch::asm, log::warn, rdrand::RdSeed};
-    crate::bootmodules::BootModule, core::arch::asm, embedded_graphics::pixelcolor::Rgb888,
-    log::warn, rdrand::RdSeed,
-};
 pub mod memory;
 
 mod cpuid;
@@ -208,7 +205,7 @@ pub fn hardware_random_u64() -> u64 {
             trace!("Random {}", ret);
             return ret;
         }
-        Err(err) => {
+        Err(_) => {
             warn!("RDRand not supported.");
             // Try rdseed
             let gen = RdSeed::new();
@@ -218,7 +215,7 @@ pub fn hardware_random_u64() -> u64 {
                     trace!("Random {}", ret);
                     return ret;
                 }
-                Err(err) => {
+                Err(_) => {
                     panic!("Neither RDRand or RDSeed are supported")
                 }
             }
@@ -235,7 +232,7 @@ pub fn hardware_random_u32() -> u32 {
             trace!("Random {}", ret);
             return ret;
         }
-        Err(err) => {
+        Err(_) => {
             warn!("RDRand not supported.");
             // Try rdseed
             let gen = RdSeed::new();
@@ -245,7 +242,7 @@ pub fn hardware_random_u32() -> u32 {
                     trace!("Random {}", ret);
                     return ret;
                 }
-                Err(err) => {
+                Err(_) => {
                     panic!("Neither RDRand or RDSeed are supported")
                 }
             }
@@ -255,6 +252,7 @@ pub fn hardware_random_u32() -> u32 {
 
 pub fn get_edid() {}
 
+#[allow(unused)]
 pub fn register_dump() {
     let rax: u64;
     let rbx: u64 = 0;

kernel/src/bootmodules.rs

@@ -1,10 +1,10 @@
 use {
-    crate::alloc::string::ToString,
+    // crate::alloc::string::ToString,
     alloc::{string::String, vec::Vec},
-    clparse::Arguments,
+    // clparse::Arguments,
-    core::fmt::{Debug, Display},
+    // core::fmt::{Debug, Display},
-    log::trace,
+    // log::trace,
-    xml::XMLElement,
+    // xml::XMLElement,
 };
 pub type BootModules = Vec<BootModule>;
 
@@ -19,18 +19,18 @@ impl BootModule {
     }
 }
 
-pub fn build_cmd<T: Display + Debug>(name: T, cmdline: T) -> XMLElement {
+// pub fn build_cmd<T: Display + Debug>(name: T, cmdline: T) -> XMLElement {
-    let mut cmdline = cmdline.to_string();
+//     let mut cmdline = cmdline.to_string();
-    cmdline.pop();
+//     cmdline.pop();
-    cmdline.remove(0);
+//     cmdline.remove(0);
 
-    let cmd = Arguments::parse(cmdline.to_string()).unwrap();
+//     let cmd = Arguments::parse(cmdline.to_string()).unwrap();
-    trace!("Cmdline: {cmd:?}");
+//     trace!("Cmdline: {cmd:?}");
 
-    let mut clo = XMLElement::new(name);
+//     let mut clo = XMLElement::new(name);
-    for (key, value) in cmd.arguments {
+//     for (key, value) in cmd.arguments {
-        clo.set_attribute(key, value);
+//         clo.set_attribute(key, value);
-    }
+//     }
-    trace!("command line object: {:?}", clo);
+//     trace!("command line object: {:?}", clo);
-    clo
+//     clo
-}
+// }

kernel/src/holeybytes/ecah.rs

@@ -1,18 +1,10 @@
 //! Environment call handling routines
 
-use core::borrow::Borrow;
+use crate::holeybytes::kernel_services::{block_read, service_definition_service::sds_msg_handler};
-
-use crate::{
-    allocator,
-    holeybytes::kernel_services::{
-        block_read,
-        service_definition_service::{sds_msg_handler, SERVICES},
-    },
-};
 
 use {
-    super::{mem::Memory, Vm},
+    super::Vm,
-    crate::{arch, holeybytes::mem, ipc::buffer::IpcBuffer, kmain::IPC_BUFFERS},
+    crate::{arch, ipc::buffer::IpcBuffer, kmain::IPC_BUFFERS},
     alloc::string::String,
     log::{debug, error, info, trace, warn},
 };
@@ -78,7 +70,7 @@ pub fn handler(vm: &mut Vm) {
                 },
                 1 => match log_msg_handler(vm, mem_addr, length) {
                     Ok(()) => {}
-                    Err(err) => log::error!("Improper log format"),
+                    Err(_) => log::error!("Improper log format"),
                 },
                 2 => {
                     use crate::holeybytes::kernel_services::mem_serve::memory_msg_handler;
@@ -107,7 +99,7 @@ pub fn handler(vm: &mut Vm) {
                         x86_64::instructions::port::Port::new(address).write(value);
                     }
 
-                    let mut msg_vec = block_read(mem_addr, length);
+                    let msg_vec = block_read(mem_addr, length);
                     let msg_type = msg_vec[0];
                     match msg_type {
                         0 => 'wow: {
@@ -203,7 +195,7 @@ pub fn handler(vm: &mut Vm) {
             let max_length = vm.registers[5].cast::<u64>();
 
             let mut buffs = IPC_BUFFERS.lock();
-            let mut buff: &mut IpcBuffer;
+            let buff: &mut IpcBuffer;
 
             if buffs.get_mut(&buffer_id).is_some() {
                 buff = buffs.get_mut(&buffer_id).unwrap();
@@ -252,7 +244,7 @@ pub fn handler(vm: &mut Vm) {
     }
 }
 
-fn log_msg_handler(vm: &mut Vm, mem_addr: u64, length: usize) -> Result<(), LogError> {
+fn log_msg_handler(_vm: &mut Vm, mem_addr: u64, length: usize) -> Result<(), LogError> {
     // let message_length = 8 + 8 + 8;
     // log::info!("Mem Addr 0x{:x?} length {}", mem_addr, length);
     let mut msg_vec = block_read(mem_addr, length);
@@ -261,7 +253,7 @@ fn log_msg_handler(vm: &mut Vm, mem_addr: u64, length: usize) -> Result<(), LogE
     match String::from_utf8(msg_vec) {
         Ok(strr) => {
             // use LogLevel::*;
-            let ll = match log_level {
+            let _ll = match log_level {
                 0 | 48 => error!("{}", strr),
                 1 | 49 => warn!("{}", strr),
                 2 | 50 => info!("{}", strr),
@@ -285,8 +277,8 @@ pub enum LogError {
     NoMessages,
     InvalidLogFormat,
 }
-use {alloc::vec, log::Record};
 
+// use {alloc::vec, log::Record};
 // fn memory_msg_handler(vm: &mut Vm, mem_addr: u64, length: usize) -> Result<(), LogError> {
 //     let mut val = alloc::vec::Vec::new();
 //     for _ in 0..4096 {

kernel/src/holeybytes/kernel_services/mem_serve.rs

@@ -1,19 +1,10 @@
 use {
-    crate::holeybytes::{
+    crate::holeybytes::{kernel_services::block_read, Vm},
-        ecah::LogError,
+    alloc::alloc::{alloc_zeroed, dealloc},
-        kernel_services::{block_read, mem_serve},
-        Vm,
-    },
-    alloc::{
-        alloc::{alloc_zeroed, dealloc},
-        vec::Vec,
-    },
     core::alloc::Layout,
     log::{debug, info},
 };
 
-use alloc::vec;
-
 pub enum MemoryServiceError {
     InvalidMemoryFormat,
 }
@@ -25,7 +16,7 @@ pub enum MemoryQuotaType {
     KillQuota = 3,
 }
 
-fn alloc_page(vm: &mut Vm, mem_addr: u64, length: usize) -> Result<(), MemoryServiceError> {
+fn alloc_page(vm: &mut Vm, _mem_addr: u64, _length: usize) -> Result<(), MemoryServiceError> {
     let ptr = unsafe { alloc_zeroed(Layout::new::<[u8; 4096]>()) };
     info!("Block address: {:?}", ptr);
     vm.registers[1] = hbvm::value::Value(ptr as u64);
@@ -38,7 +29,7 @@ pub fn memory_msg_handler(
     mem_addr: u64,
     length: usize,
 ) -> Result<(), MemoryServiceError> {
-    let mut msg_vec = block_read(mem_addr, length);
+    let msg_vec = block_read(mem_addr, length);
     let msg_type = msg_vec[0];
     match msg_type {
         0 => {
@@ -84,7 +75,7 @@ pub fn memory_msg_handler(
             let hid_raw: [u8; 8] = msg_vec[2..10].try_into().unwrap();
             let hid: u64 = u64::from_le_bytes(hid_raw);
             let pid_raw: [u8; 8] = msg_vec[10..18].try_into().unwrap();
-            let pid: u64 = u64::from_le_bytes(hid_raw);
+            let pid: u64 = u64::from_le_bytes(pid_raw);
             debug!(
                 "Setting HID-{:x}:PID-{:x}'s quota type to {:?}",
                 hid, pid, quota_type

kernel/src/holeybytes/kernel_services/mod.rs

@@ -1,4 +1,4 @@
-use alloc::{vec, vec::Vec};
+use alloc::vec::Vec;
 
 pub mod mem_serve;
 pub mod service_definition_service;

kernel/src/holeybytes/kernel_services/service_definition_service.rs

@@ -1,12 +1,8 @@
 use {
     crate::{
-        alloc::string::ToString,
         arch::hardware_random_u64,
         holeybytes::{ecah::LogError, kernel_services::block_read, Vm},
-        ipc::{
+        ipc::{buffer::IpcBuffer, protocol::Protocol},
-            buffer::IpcBuffer,
-            protocol::{self, Protocol},
-        },
         kmain::IPC_BUFFERS,
     },
     alloc::string::String,
@@ -100,7 +96,7 @@ fn sds_create_service(protocol: String) -> u64 {
 }
 
 fn sds_search_service(protocol: String) -> u64 {
-    let mut services = SERVICES.lock();
+    let services = SERVICES.lock();
     let compare = Protocol::from(protocol.clone());
     for (bid, protocol_canidate) in &services.0 {
         trace!("BID-{bid} protocol_canidate {:?}", protocol_canidate);

kernel/src/holeybytes/mem.rs

@@ -7,7 +7,7 @@
 use hbvm::mem::Address;
 
 fn calc_start_of_page(ptr: u64) -> u64 {
-    let mut page_aligned = false;
+    let _page_aligned = false;
     if ptr % 4096 == 0 {
         // page_aligned = true;
         return ptr / 4096;
@@ -21,11 +21,11 @@ pub struct Memory {
 
 impl Memory {
     #[cfg(target_arch = "x86_64")]
-    fn read_device(addr: Address) {
+    fn read_device(_addr: Address) {
-        unsafe {
+        //unsafe {
-            //
+        //
-            // x86_64::instructions::port::Port::new(addr.get()).read()
+        // x86_64::instructions::port::Port::new(addr.get()).read()
-        }
+        //}
     }
 }
 
@@ -37,7 +37,6 @@ impl hbvm::mem::Memory for Memory {
         target: *mut u8,
         count: usize,
     ) -> Result<(), hbvm::mem::LoadError> {
-        use log::{error, info};
         if addr.get() % 4096 == 0 {}
         core::ptr::copy(addr.get() as *const u8, target, count);
         Ok(())

kernel/src/holeybytes/mod.rs

@@ -3,30 +3,33 @@ mod kernel_services;
 mod mem;
 
 use {
-    crate::{arch, ipc::buffer::IpcBuffer, kmain::IPC_BUFFERS},
+    core::{
-    alloc::boxed::Box,
+        alloc::Layout,
-    core::{default, future::Future, marker::PhantomData, ptr::NonNull, task::Poll},
+        future::Future,
+        marker::PhantomData,
+        pin::Pin,
+        ptr::NonNull,
+        task::{Context, Poll},
+    },
     hbvm::{
-        mem::{
+        mem::{softpaging::HandlePageFault, Address},
-            softpaging::{icache::ICache, HandlePageFault, SoftPagedMem},
-            Address, Memory,
-        },
         VmRunError, VmRunOk,
     },
-    log::{debug, error, info, trace, warn},
+    log::error,
 };
 
 const STACK_SIZE: usize = 1024 * 1024;
-const TIMER_QUOTIENT: usize = 100;
+const TIMER_QUOTIENT: usize = 1000;
 type Vm = hbvm::Vm<mem::Memory, TIMER_QUOTIENT>;
 
 pub struct ExecThread<'p> {
     vm: Vm,
-    stack_bottom: *mut u8,
+    stack_bottom: NonNull<u8>,
     _phantom: PhantomData<&'p [u8]>,
 }
 
 unsafe impl<'p> Send for ExecThread<'p> {}
+
 impl<'p> ExecThread<'p> {
     pub fn set_arguments(&mut self, ptr: u64, length: u64) {
         self.vm.registers[1] = hbvm::value::Value(ptr);
@@ -34,55 +37,60 @@ impl<'p> ExecThread<'p> {
     }
 
     pub unsafe fn new(program: &'p [u8], entrypoint: Address) -> Self {
-        let mut vm = unsafe {
+        let mut vm = Vm::new(
-            Vm::new(
+            mem::Memory {},
-                mem::Memory {},
+            Address::new(program.as_ptr() as u64 + entrypoint.get()),
-                Address::new(program.as_ptr() as u64 + entrypoint.get()),
+        );
-            )
-        };
 
-        let stack_bottom = unsafe { allocate_stack().as_ptr() };
+        let stack_bottom = allocate_stack();
-        vm.write_reg(254, (stack_bottom as usize + STACK_SIZE - 1) as u64);
+
+        vm.write_reg(
+            254,
+            (stack_bottom.as_ptr() as usize + STACK_SIZE - 1) as u64,
+        );
 
         ExecThread {
             vm,
             stack_bottom,
-            _phantom: Default::default(),
+            _phantom: PhantomData,
         }
     }
 }
 
 impl<'p> Drop for ExecThread<'p> {
     fn drop(&mut self) {
-        unsafe { alloc::alloc::dealloc(self.stack_bottom, stack_layout()) };
+        unsafe { alloc::alloc::dealloc(self.stack_bottom.as_ptr(), stack_layout()) };
     }
 }
 
 impl<'p> Future for ExecThread<'p> {
     type Output = Result<(), VmRunError>;
 
-    fn poll(
+    fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
-        mut self: core::pin::Pin<&mut Self>,
-        cx: &mut core::task::Context<'_>,
-    ) -> Poll<Self::Output> {
         match self.vm.run() {
             Err(err) => {
-                log::error!("HBVM Error\r\nRegister dump: {:?}", self.vm.registers,);
+                error!("HBVM Error\r\nRegister dump: {:?}", self.vm.registers);
-                return Poll::Ready(Err(err));
+                Poll::Ready(Err(err))
+            }
+            Ok(VmRunOk::End) => Poll::Ready(Ok(())),
+            Ok(VmRunOk::Ecall) => {
+                ecah::handler(&mut self.vm);
+                cx.waker().wake_by_ref();
+                Poll::Pending
+            }
+            Ok(VmRunOk::Timer) => {
+                cx.waker().wake_by_ref();
+                Poll::Pending
             }
-            Ok(VmRunOk::End) => return Poll::Ready(Ok(())),
-            Ok(VmRunOk::Ecall) => ecah::handler(&mut self.vm),
-            Ok(VmRunOk::Timer) => (),
             Ok(VmRunOk::Breakpoint) => {
-                log::error!(
+                error!(
                     "HBVM Debug breakpoint\r\nRegister dump: {:?}",
-                    self.vm.registers,
+                    self.vm.registers
                 );
+                cx.waker().wake_by_ref();
+                Poll::Pending
             }
         }
-
-        cx.waker().wake_by_ref();
-        Poll::Pending
     }
 }
 
@@ -91,33 +99,23 @@ impl HandlePageFault for PageFaultHandler {
     fn page_fault(
         &mut self,
         reason: hbvm::mem::MemoryAccessReason,
-        pagetable: &mut hbvm::mem::softpaging::paging::PageTable,
+        _pagetable: &mut hbvm::mem::softpaging::paging::PageTable,
         vaddr: hbvm::mem::Address,
         size: hbvm::mem::softpaging::PageSize,
         dataptr: *mut u8,
-    ) -> bool
+    ) -> bool {
-    where
+        error!("REASON: {reason} vaddr: {vaddr} size: {size:?} Dataptr {dataptr:p}");
-        Self: Sized,
-    {
-        log::error!(
-            "REASON: {reason} \
-             vaddr: {vaddr} \
-             size: {size:?} \
-             Dataptr {dataptr:p}",
-        );
 
         false
     }
 }
 
-const fn stack_layout() -> core::alloc::Layout {
+const fn stack_layout() -> Layout {
-    unsafe { alloc::alloc::Layout::from_size_align_unchecked(STACK_SIZE, 4096) }
+    unsafe { Layout::from_size_align_unchecked(STACK_SIZE, 4096) }
 }
 
 fn allocate_stack() -> NonNull<u8> {
     let layout = stack_layout();
-    match NonNull::new(unsafe { alloc::alloc::alloc_zeroed(layout) }) {
+    NonNull::new(unsafe { alloc::alloc::alloc_zeroed(layout) })
-        Some(ptr) => ptr,
+        .unwrap_or_else(|| alloc::alloc::handle_alloc_error(layout))
-        None => alloc::alloc::handle_alloc_error(layout),
-    }
 }

kernel/src/ipc/buffer.rs

@@ -24,7 +24,7 @@ impl IpcBuffer {
             length
         );
         match (bounded, length) {
-            (false, a) => {
+            (false, ..) => {
                 let buftype = BufferTypes::Unbound(SegQueue::new());
 
                 Self {

kernel/src/ipc/protocol.rs

@@ -1,7 +1,6 @@
 use {
     alloc::{string::String, vec::Vec},
     hashbrown::HashMap,
-    log::info,
 };
 #[derive(Debug, PartialEq, Clone)]
 pub struct Type {}

kernel/src/kmain.rs

@@ -2,27 +2,25 @@
 
 use {
     crate::{
-        arch::{hardware_random_u64, logging::SERIAL_CONSOLE},
+        arch::hardware_random_u64,
-        bootmodules::{build_cmd, BootModules},
+        bootmodules::BootModules,
-        capabilities,
+        //bootmodules::build_cmd,
         device_tree::DeviceTree,
         holeybytes::ExecThread,
-        ipc::buffer::{self, IpcBuffer},
+        ipc::buffer::IpcBuffer,
     },
-    alloc::format,
     hashbrown::HashMap,
     hbvm::mem::Address,
     limine::{Framebuffer, FramebufferRequest, NonNullPtr},
-    log::{debug, info, trace},
+    log::{debug, info},
     spin::{Lazy, Mutex},
-    xml::XMLElement,
 };
 
-pub fn kmain(cmdline: &str, boot_modules: BootModules) -> ! {
+pub fn kmain(_cmdline: &str, boot_modules: BootModules) -> ! {
     debug!("Entered kmain");
 
-    let kcmd = build_cmd("Kernel Command Line", cmdline);
+    // let kcmd = build_cmd("Kernel Command Line", cmdline);
-    trace!("Cmdline: {kcmd:?}");
+    // trace!("Cmdline: {kcmd:?}");
 
     // for (i, bm) in boot_modules.iter().enumerate() {
     //     let name = format!("module-{}", i);
@@ -108,7 +106,6 @@ pub static DEVICE_TREE: Lazy<Mutex<DeviceTree>> = Lazy::new(|| {
 });
 pub static FB_REQ: FramebufferRequest = FramebufferRequest::new(0);
 
-use alloc::vec::Vec;
 pub type IpcBuffers = HashMap<u64, IpcBuffer>;
 pub static IPC_BUFFERS: Lazy<Mutex<IpcBuffers>> = Lazy::new(|| {
     let mut bufs = HashMap::new();

kernel/src/lib.rs

@@ -5,7 +5,6 @@
 #![feature(
     abi_x86_interrupt,
     alloc_error_handler,
-    panic_info_message,
     ptr_sub_ptr,
     custom_test_frameworks,
     naked_functions,
@@ -40,6 +39,7 @@ pub const VERSION: Version = Version {
 };
 
 #[panic_handler]
+#[cfg(target_os = "none")]
 fn panic(info: &core::panic::PanicInfo) -> ! {
     arch::register_dump();
 
@@ -52,10 +52,8 @@ fn panic(info: &core::panic::PanicInfo) -> ! {
         ));
     }
 
-    if let Some(msg) = info.message() {
+    let msg = info.message();
-        let _ = crate::arch::log(format_args!("{msg}\r\n"));
+    let _ = crate::arch::log(format_args!("{msg}\r\n"));
-    }
-
     loop {}
 }
 

kernel/src/logger.rs

@@ -1,3 +1,4 @@
+#![allow(deprecated)]
 // TODO: Add a logger api with logger levels and various outputs
 pub static TERMINAL_LOGGER: Lazy<Mutex<TermLogger>> = Lazy::new(|| Mutex::new(TermLogger::new()));
 

kernel/src/memory.rs

@@ -1,7 +1,6 @@
 //! The Memory Manager
 
-use alloc::collections::VecDeque;
+use {alloc::collections::VecDeque, derive_more::*};
-use derive_more::*;
 
 pub use crate::arch::PAGE_SIZE;
 pub const MAX_ORDER: usize = 10;
@@ -44,7 +43,7 @@ pub const MAX_ORDER: usize = 10;
     Sum,
     UpperHex,
 )]
-#[display(fmt = "0x{:x}", _0)]
+#[display("0x{:x}", _0)]
 #[from(forward)]
 pub struct VirtualAddress(usize);
 
@@ -55,11 +54,11 @@ impl VirtualAddress {
     pub fn vpns(&self) -> [usize; 3] {
         [
             // [20:12]
-            (self.0 >> 12) & 0x1ff,
+            (self.0 >> 12) & 0x1FF,
             // [29:21]
-            (self.0 >> 21) & 0x1ff,
+            (self.0 >> 21) & 0x1FF,
             // [38:30]
-            (self.0 >> 30) & 0x1ff,
+            (self.0 >> 30) & 0x1FF,
         ]
     }
 
@@ -114,7 +113,7 @@ impl VirtualAddress {
     Sum,
     UpperHex,
 )]
-#[display(fmt = "0x{:x}", _0)]
+#[display("0x{:x}", _0)]
 #[from(forward)]
 pub struct PhysicalAddress(usize);
 
@@ -125,11 +124,11 @@ impl PhysicalAddress {
     pub fn ppns(&self) -> [usize; 3] {
         [
             // [20:12]
-            (self.0 >> 12) & 0x1ff,
+            (self.0 >> 12) & 0x1FF,
             // [29:21]
-            (self.0 >> 21) & 0x1ff,
+            (self.0 >> 21) & 0x1FF,
             // [55:30]
-            (self.0 >> 30) & 0x3ffffff,
+            (self.0 >> 30) & 0x3FFFFFF,
         ]
     }
 

kernel/src/task.rs

@@ -1,26 +1,18 @@
 #![allow(unused)]
 
 use {
-    alloc::{boxed::Box, collections::BTreeMap, sync::Arc, task::Wake},
+    alloc::{boxed::Box, sync::Arc, task::Wake},
     core::{
         future::Future,
         pin::Pin,
         task::{Context, Poll, Waker},
     },
     crossbeam_queue::SegQueue,
-    kiam::when,
+    hashbrown::HashMap,
     slab::Slab,
-    spin::RwLock,
+    spin::Mutex,
 };
 
-static SPAWN_QUEUE: RwLock<Option<SpawnQueue>> = RwLock::new(None);
-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"),
-    }
-}
-
 pub fn yield_now() -> impl Future<Output = ()> {
     struct YieldNow(bool);
     impl Future for YieldNow {
@@ -42,61 +34,51 @@ pub fn yield_now() -> impl Future<Output = ()> {
 
 #[derive(Default)]
 pub struct Executor {
-    tasks:    Slab<Task>,
+    tasks:  Slab<Task>,
-    queue:    TaskQueue,
+    queue:  Arc<SegQueue<TaskId>>,
-    to_spawn: SpawnQueue,
+    wakers: HashMap<TaskId, Waker>, // Keeping HashMap as it is more performant for lookups.
-    wakers:   BTreeMap<TaskId, Waker>,
 }
 
 impl Executor {
+    pub fn new() -> Self {
+        Self {
+            tasks:  Slab::new(),
+            queue:  Arc::new(SegQueue::new()),
+            wakers: HashMap::new(),
+        }
+    }
+
     pub fn spawn(&mut self, future: impl Future<Output = ()> + Send + 'static) {
-        self.queue
+        let task_id = TaskId(self.tasks.insert(Task::new(future)));
-            .push(TaskId(self.tasks.insert(Task::new(future))));
+        self.queue.push(task_id);
     }
 
     pub fn run(&mut self) {
-        {
-            let mut global_spawner = SPAWN_QUEUE.write();
-            if global_spawner.is_some() {
-                panic!("Task executor is already running");
-            }
-
-            *global_spawner = Some(Arc::clone(&self.to_spawn));
-        }
-
         loop {
-            when! {
+            while let Some(id) = self.queue.pop() {
-                let Some(id) = self
+                if let Some(task) = self.tasks.get_mut(id.0) {
-                    .to_spawn
+                    let waker = self.wakers.entry(id).or_insert_with(|| {
-                    .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 task from empty slot: {}", 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) {
+                    let mut cx = Context::from_waker(waker);
-                        Poll::Ready(()) => {
+
-                            self.tasks.remove(id.0);
+                    if let Poll::Ready(()) = task.poll(&mut cx) {
-                            self.wakers.remove(&id);
+                        self.tasks.remove(id.0);
-                        }
+                        self.wakers.remove(&id);
-                        Poll::Pending => (),
                     }
-                },
+                } else {
-                self.tasks.is_empty() => break,
+                    panic!("Attempted to get task from empty slot: {}", id.0);
-                _ => (),
+                }
+            }
+
+            if self.tasks.is_empty() {
+                break;
             }
         }
-
-        *SPAWN_QUEUE.write() = None;
     }
 }
 
@@ -117,21 +99,18 @@ impl Task {
     }
 }
 
-#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)]
+#[derive(Hash, Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)]
 struct TaskId(usize);
 
-type TaskQueue = Arc<SegQueue<TaskId>>;
-type SpawnQueue = Arc<SegQueue<Task>>;
-
 struct TaskWaker {
     id:    TaskId,
-    queue: TaskQueue,
+    queue: Arc<SegQueue<TaskId>>,
 }
 
 impl Wake for TaskWaker {
     fn wake(self: Arc<Self>) {
         log::trace!("Woke Task-{:?}", self.id);
-        self.wake_by_ref();
+        self.queue.push(self.id);
     }
 
     fn wake_by_ref(self: &Arc<Self>) {

repbuild/Cargo.toml

@@ -4,15 +4,15 @@ version = "0.2.0"
 edition = "2021"
 
 [dependencies]
-str-reader = "0.1.2"
+str-reader = "0.1"
-derive_more = "0.99"
+derive_more = { version = "1", features = ["full"] }
-error-stack = "0.4"
+error-stack = "0.5"
 fatfs = "0.3"
-toml = "0.5.2"
+toml = "0.8"
 # hbasm.git = "https://git.ablecorp.us/AbleOS/holey-bytes.git"
 hblang.git = "https://git.ablecorp.us/AbleOS/holey-bytes.git"
 
 [dependencies.reqwest]
-version = "0.11"
+version = "0.12"
 default-features = false
 features = ["rustls-tls", "blocking"]

repbuild/src/main.rs

@@ -1,4 +1,5 @@
 #![allow(unused)]
+
 mod dev;
 
 use {
@@ -7,7 +8,7 @@ use {
     error_stack::{bail, report, Context, Report, Result, ResultExt},
     fatfs::{FileSystem, FormatVolumeOptions, FsOptions, ReadWriteSeek},
     std::{
-        fmt::Display,
+        // fmt::Display,
         fs::{self, File},
         io::{self, Write},
         path::Path,
@@ -428,11 +429,11 @@ fn fetch_ovmf(target: Target) -> Result<String, OvmfFetchError> {
 
 #[derive(Debug, Display)]
 enum OvmfFetchError {
-    #[display(fmt = "Failed to fetch OVMF package")]
+    #[display("Failed to fetch OVMF package")]
     Fetch,
-    #[display(fmt = "No OVMF package available")]
+    #[display("No OVMF package available")]
     Empty,
-    #[display(fmt = "IO Error")]
+    #[display("IO Error")]
     Io,
 }
 
@@ -447,19 +448,19 @@ enum Target {
 
 #[derive(Debug, Display)]
 enum Error {
-    #[display(fmt = "Failed to build the kernel")]
+    #[display("Failed to build the kernel")]
     Build,
-    #[display(fmt = "Missing or invalid subcommand (available: build, run)")]
+    #[display("Missing or invalid subcommand (available: build, run)")]
     InvalidSubCom,
-    #[display(fmt = "IO Error")]
+    #[display("IO Error")]
     Io,
-    #[display(fmt = "Failed to spawn a process")]
+    #[display("Failed to spawn a process")]
     ProcessSpawn,
-    #[display(fmt = "Failed to fetch UEFI firmware")]
+    #[display("Failed to fetch UEFI firmware")]
     OvmfFetch,
-    #[display(fmt = "Failed to assemble Holey Bytes code")]
+    #[display("Failed to assemble Holey Bytes code")]
     Assembler,
-    #[display(fmt = "QEMU Error: {}", "fmt_qemu_err(*_0)")]
+    #[display("QEMU Error: {}", "fmt_qemu_err(*_0)")]
     Qemu(Option<i32>),
 }
 

rust-toolchain.toml

@@ -1,3 +1,3 @@
 [toolchain]
-channel = "nightly-2024-05-17"
+channel = "nightly-2024-07-17"
 components = ["rust-src", "llvm-tools"]