kapi/cpu: introduce CPU API

1 files changed, 30 insertions, 0 deletions

diff --git a/kernel/kapi/cpu.cpp b/kernel/kapi/cpu.cpp
new file mode 100644
index 0000000..2089098
--- /dev/null
+++ b/kernel/kapi/cpu.cpp
@@ -0,0 +1,30 @@
+#include "kapi/cpu.hpp"
+
+namespace kapi::cpu
+{
+
+  namespace
+  {
+    struct null_exception_handler : exception_handler
+    {
+      auto handle(exception const &) -> bool override
+      {
+        return false;
+      }
+    } static constinit default_exception_handler;
+
+    exception_handler * current_handler = &default_exception_handler;
+
+  }  // namespace
+
+  auto get_exception_handler() -> exception_handler &
+  {
+    return *current_handler;
+  }
+
+  auto set_exception_handler(exception_handler & handler) -> void
+  {
+    current_handler = &handler;
+  }
+
+}  // namespace kapi::cpu
\ No newline at end of file