IDT: Initialize IDT with a very basic exception handler that does nothing

1 files changed, 36 insertions, 0 deletions

diff --git a/kernel/boot/idt/exceptions.cc b/kernel/boot/idt/exceptions.cc
new file mode 100644
index 0000000..79ffd68
--- /dev/null
+++ b/kernel/boot/idt/exceptions.cc
@@ -0,0 +1,36 @@
+/*
+ * bubbl
+ * Copyright (C) 2025  Raghuram Subramani <raghus2247@gmail.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <boot/idt.h>
+#include <common.h>
+#include <kernel/halt.h>
+#include <libk/stdio.h>
+#include <stdbool.h>
+
+namespace IDT
+{
+
+void
+exception_handler(void)
+{
+  ASSERT_NOT_REACHED();
+  while (true)
+    __asm__ volatile("cli; hlt");
+}
+
+}