From e7b04ef7f5da8e014e8b85fcf65448b317cca8ff Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@ost.ch>
Date: Wed, 29 Oct 2025 11:15:50 +0100
Subject: kapi: move halt to cpu namespace

---
 kapi/include/kapi/cpu.hpp    | 13 +++++++++++++
 kapi/include/kapi/system.hpp |  2 --
 kapi/src/system.cpp          |  4 +++-
 3 files changed, 16 insertions(+), 3 deletions(-)
 create mode 100644 kapi/include/kapi/cpu.hpp

(limited to 'kapi')

diff --git a/kapi/include/kapi/cpu.hpp b/kapi/include/kapi/cpu.hpp
new file mode 100644
index 0000000..673deab
--- /dev/null
+++ b/kapi/include/kapi/cpu.hpp
@@ -0,0 +1,13 @@
+#ifndef TEACHOS_KAPI_CPU_HPP
+#define TEACHOS_KAPI_CPU_HPP
+
+namespace teachos::cpu
+{
+  /**
+   * @brief Halt the CPU, effectively terminating kernel execution.
+   *
+   */
+  [[noreturn]] auto halt() -> void;
+}  // namespace teachos::cpu
+
+#endif
diff --git a/kapi/include/kapi/system.hpp b/kapi/include/kapi/system.hpp
index 0d4f2c9..b0b0e28 100644
--- a/kapi/include/kapi/system.hpp
+++ b/kapi/include/kapi/system.hpp
@@ -6,8 +6,6 @@
 
 namespace teachos::system
 {
-  [[noreturn]] auto halt() -> void;
-
   [[noreturn]] auto panic(std::string_view message, std::source_location = std::source_location::current()) -> void;
 }  // namespace teachos::system
 
diff --git a/kapi/src/system.cpp b/kapi/src/system.cpp
index 041404e..3ae3f29 100644
--- a/kapi/src/system.cpp
+++ b/kapi/src/system.cpp
@@ -1,10 +1,12 @@
 #include "kapi/system.hpp"
 
 #include "kapi/cio.hpp"
+#include "kapi/cpu.hpp"
 
 namespace teachos::system
 {
 
+  [[gnu::weak]]
   auto panic(std::string_view message, std::source_location location) -> void
   {
     cio::println_error("!!!Kernel Panic!!! ");
@@ -12,7 +14,7 @@ namespace teachos::system
     cio::println_error(location.file_name());
     cio::println_error(location.function_name());
 
-    halt();
+    cpu::halt();
   }
 
 }  // namespace teachos::system
-- 
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