From f50815110789a0f8f6e5ca66ffd49b26578791a9 Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@ost.ch>
Date: Mon, 6 Apr 2026 18:43:28 +0200
Subject: kernel: generalize CPU discovery

---
 kapi/include/kapi/acpi.hpp     |  4 ----
 kapi/include/kapi/platform.hpp | 37 +++++++++++++++++++++++++++++++++++++
 2 files changed, 37 insertions(+), 4 deletions(-)
 create mode 100644 kapi/include/kapi/platform.hpp

(limited to 'kapi')

diff --git a/kapi/include/kapi/acpi.hpp b/kapi/include/kapi/acpi.hpp
index 5d55d08..75b6c48 100644
--- a/kapi/include/kapi/acpi.hpp
+++ b/kapi/include/kapi/acpi.hpp
@@ -1,7 +1,6 @@
 #ifndef TEACHOS_KAPI_ACPI_HPP
 #define TEACHOS_KAPI_ACPI_HPP
 
-#include "kapi/devices.hpp"
 #include "kapi/memory.hpp"
 
 #include <kstd/memory>
@@ -128,9 +127,6 @@ namespace kapi::acpi
 
   auto get_root_pointer() -> kstd::observer_ptr<root_system_description_pointer const>;
 
-  auto create_local_interrupt_controller(std::size_t major, std::size_t minor, std::uint64_t hardware_id,
-                                         memory::physical_address address) -> kstd::unique_ptr<devices::device>;
-
   //! @}
 
 }  // namespace kapi::acpi
diff --git a/kapi/include/kapi/platform.hpp b/kapi/include/kapi/platform.hpp
new file mode 100644
index 0000000..6aae795
--- /dev/null
+++ b/kapi/include/kapi/platform.hpp
@@ -0,0 +1,37 @@
+#ifndef TEACHOS_KAPI_PLATFORM_HPP
+#define TEACHOS_KAPI_PLATFORM_HPP
+
+#include "kapi/devices.hpp"
+
+#include <kstd/memory>
+
+#include <cstddef>
+#include <cstdint>
+
+namespace kapi::platform
+{
+
+  //! @addtogroup kapi-platform-kernel-defined
+  //! @{
+
+  auto cpu_detected(kapi::devices::bus & bus, std::uint64_t hardware_id, bool is_bsp) -> bool;
+
+  //! @}
+
+  //! @addtogroup kapi-platform-platform-defined
+  //! @{
+
+  //! Discover the CPU topology of the platform and attach it to the given CPU bus.
+  //!
+  //! @param bus The bus to attach the CPU topology to.
+  //! @return true iff. the CPU topology was discovered successfully, false otherwise.
+  auto discover_cpu_topology(kapi::devices::bus & bus) -> bool;
+
+  auto create_core_interrupt_controller(std::size_t major, std::size_t minor, std::uint64_t hardware_id)
+      -> kstd::unique_ptr<devices::device>;
+
+  //! @}
+
+}  // namespace kapi::platform
+
+#endif
\ No newline at end of file
-- 
cgit v1.2.3