kernel/tests: add kapi::cpu::init stub

1 files changed, 16 insertions, 0 deletions

diff --git a/kernel/tests/kapi/cpu.cpp b/kernel/tests/kapi/cpu.cpp
index f03fca0..3ecaadc 100644
--- a/kernel/tests/kapi/cpu.cpp
+++ b/kernel/tests/kapi/cpu.cpp
@@ -2,9 +2,25 @@
 
 #include <kapi/cpu.hpp>
 
+#include <atomic>
+#include <stdexcept>
+
 namespace kapi::cpu
 {
 
+  auto init() -> void
+  {
+    auto static initialized = std::atomic_flag{};
+    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
   {
     throw kernel::tests::cpu::halt{};