kernel/tests: move initialization to a listener

1 files changed, 15 insertions, 3 deletions

diff --git a/kernel/src/test_support/kapi/cpu.cpp b/kernel/src/test_support/kapi/cpu.cpp
index 3ecaadc..9b2f0b9 100644
--- a/kernel/src/test_support/kapi/cpu.cpp
+++ b/kernel/src/test_support/kapi/cpu.cpp
@@ -8,17 +8,29 @@
 namespace kapi::cpu
 {
 
-  auto init() -> void
+  namespace
   {
     auto static initialized = std::atomic_flag{};
+  }
+
+  auto reset() -> void
+  {
+    if (!initialized.test())
+    {
+      throw std::logic_error{"kapi::cpu::reset() called before kapi::cpu::init()"};
+    }
+
+    initialized.clear();
+  }
+
+  auto init() -> void
+  {
     if (initialized.test_and_set())
     {
       throw std::logic_error("kapi::cpu::init() called more than once");
     }
 
     // TODO: make sure that simulated interrupt can run.
-
-    return;
   }
 
   auto halt() -> void