new: interrupt

1 files changed, 26 insertions, 0 deletions

diff --git a/kernel/src/init/int.rs b/kernel/src/init/int.rs
new file mode 100644
index 0000000..0300d87
--- /dev/null
+++ b/kernel/src/init/int.rs
@@ -0,0 +1,26 @@
+use spin::LazyLock;
+use x86_64::structures::idt::{InterruptDescriptorTable, InterruptStackFrame};
+
+use crate::printlnk;
+
+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();
+}