From 0b139b3c66b340bb560dc608ea3b15a07ec95ee3 Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@ost.ch>
Date: Wed, 1 Apr 2026 09:48:12 +0200
Subject: kernel/tests: add kapi::cpu::init stub

---
 kernel/tests/kapi/cpu.cpp | 16 ++++++++++++++++
 kernel/tests/src/main.cpp |  4 +++-
 2 files changed, 19 insertions(+), 1 deletion(-)

(limited to 'kernel')

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{};
diff --git a/kernel/tests/src/main.cpp b/kernel/tests/src/main.cpp
index f1f9bb4..a21aa9d 100644
--- a/kernel/tests/src/main.cpp
+++ b/kernel/tests/src/main.cpp
@@ -1,10 +1,12 @@
 #include <kapi/cio.hpp>
+#include <kapi/cpu.hpp>
 
 #include <catch2/catch_session.hpp>
 
 auto main(int argc, char ** argv) -> int
 {
   kapi::cio::init();
+  kapi::cpu::init();
 
   return Catch::Session().run(argc, argv);
-}
\ No newline at end of file
+}
-- 
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