int

kernel-rs/Cargo.toml

@@ -11,3 +11,7 @@ rlibc = "1.0"
 bitflags = "1.0.1"
 multiboot2 = { path = "multiboot2-elf64" }
 x86 = { path = "x86" }
+
+[dependencies.lazy_static]
+version = "1.0.0"
+features = ["spin_no_std"]

kernel-rs/src/interrupts/mod.rs

@@ -0,0 +1,21 @@
+use x86::structures::idt::*;
+
+lazy_static! {
+    static ref IDT: Idt = {
+        let mut idt = Idt::new();
+        idt.breakpoint.set_handler_fn(breakpoint_handler);
+        idt
+    };
+}
+
+pub fn init() {
+    IDT.load();
+}
+
+extern "x86-interrupt" fn breakpoint_handler(
+    stack_frame: &mut ExceptionStackFrame)
+{
+    println!("EXCEPTION: BREAKPOINT\n");
+    flush!();
+    loop{}
+}

kernel-rs/src/lib.rs

@@ -5,13 +5,16 @@
 #![feature(const_fn)]
 #![feature(ptr_internals)]
 #![feature(asm)]
+
 #![feature(alloc)]
 #![feature(allocator_api)]
 #![feature(global_allocator)]
 
+#![feature(abi_x86_interrupt)]
+
 extern crate rlibc;
 extern crate multiboot2;
-// #[macro_use] extern crate bitflags;
+#[macro_use] extern crate lazy_static;
 #[macro_use] extern crate alloc;
 extern crate x86;
 
@@ -27,22 +30,28 @@ pub mod cpuio;
 pub mod acpi;
 /// physical frame allocator + paging module + heap allocator
 pub mod memory;
-// x86 interruptions
-// pub mod interrupts;
+/// x86 interruptions
+pub mod interrupts;
 
 fn init_kernel(multiboot_info_addr: usize) -> Result <(), &'static str> {
+
     let boot_info = unsafe { multiboot2::load(multiboot_info_addr)};
+
     if let Some(rsdp) = boot_info.rsdp_v2_tag() {
         acpi::load(rsdp)?;
     } else if let Some(rsdp) = boot_info.rsdp_tag() {
         acpi::load(rsdp)?;
-    }
-    else {
+    } else {
         acpi::init()?;
     }
 
+    enable_paging();
+    enable_write_protect_bit();
+
     memory::init(&boot_info);
+    interrupts::init();
     vga::init();
+
     Ok(())
 }
 
@@ -53,6 +62,8 @@ pub extern fn kmain(multiboot_info_addr: usize) -> ! {
         cpuio::halt();
     }
 
+    x86::instructions::interrupts::int3();
+
     loop { keyboard::kbd_callback(); }
 }
 

kernel-rs/src/memory/paging/table.rs

@@ -1,6 +1,6 @@
 use memory::*;
 use x86::structures::paging::*;
-use x86::ux::*;
+// use x86::ux::*;
 
 pub trait RecTable
 {

kernel-rs/x86

@@ -1 +1 @@
-Subproject commit 7b8227e36afe68ed2d518a2c7cede0466878ca9d
+Subproject commit da544c834b3f3d8b53f456c48b3aafa58d09198a