1 files changed, 46 insertions, 0 deletions
diff --git a/kernel/src/cpu.cpp b/kernel/src/cpu.cpp
new file mode 100644
index 0000000..fc460c9
--- /dev/null
+++ b/kernel/src/cpu.cpp
@@ -0,0 +1,46 @@
+#include "kernel/cpu.hpp"
+
+#include "kapi/cpu.hpp"
+#include "kapi/system.hpp"
+
+#include <kstd/print>
+
+namespace kernel::cpu
+{
+
+  namespace
+  {
+    struct exception_handler : kapi::cpu::exception_handler
+    {
+      auto handle(kapi::cpu::exception const & context) -> bool override
+      {
+        switch (context.type)
+        {
+          case kapi::cpu::exception::type::page_fault:
+            return handle_page_fault(context);
+          default:
+            return false;
+        }
+      }
+
+    private:
+      auto handle_page_fault(kapi::cpu::exception const & context) -> bool
+      {
+        kstd::println(kstd::print_sink::stderr, "[OS:CPU] PAGE FAULT!");
+        kstd::println(kstd::print_sink::stderr, "\tFault address: {:#018x}", context.access_address);
+        kstd::println(kstd::print_sink::stderr, "\tPresent: {}", context.is_present);
+        kstd::println(kstd::print_sink::stderr, "\tWrite: {}", context.is_write_access);
+        kstd::println(kstd::print_sink::stderr, "\tUser: {}", context.is_user_mode);
+        kstd::println(kstd::print_sink::stderr, "\tRIP: {:#018x}", context.instruction_pointer);
+
+        kapi::system::panic("Halting the system due to an unrecoverable page fault.");
+      }
+    } static constinit handler;
+  }  // namespace
+
+  auto init() -> void
+  {
+    kapi::cpu::set_exception_handler(handler);
+  }
+
+}  // namespace kernel::cpu
+\ No newline at end of file