kernel: seperate idt

1 files changed, 20 insertions, 0 deletions

diff --git a/kernel/src/init/int/idt.rs b/kernel/src/init/int/idt.rs
new file mode 100644
index 0000000..89228cf
--- /dev/null
+++ b/kernel/src/init/int/idt.rs
@@ -0,0 +1,20 @@
+pub static IDT: LazyLock<InterruptDescriptorTable> = LazyLock::new(
+    || {
+        let mut idt = InterruptDescriptorTable::new();
+        idt.breakpoint.set_handler_fn(breakpoint_handler);
+        idt.double_fault.set_handler_fn(double_fault_handler);
+        idt
+    },
+);
+
+extern "x86-interrupt" fn double_fault_handler(stack_frame: InterruptStackFrame, error_code: u64) -> ! {
+    panic!("EXCEPTION: DOUBLE FAULT\n{stack_frame:#?}\nERROR CODE:{error_code}");
+}
+
+extern "x86-interrupt" fn breakpoint_handler(stack_frame: InterruptStackFrame) {
+    _ = printlnk!("EXCEPTION: BREAKPOINT\n{stack_frame:#?}");
+}
+
+pub fn init() {
+    IDT.load();
+}