From f456f1674d48932846eb7b5ec1df630ad67e7e3d Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@ost.ch>
Date: Mon, 6 Apr 2026 17:24:36 +0200
Subject: kernel/acpi: discover local interrupt controllers

---
 kernel/kapi/devices.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'kernel/kapi/devices.cpp')

diff --git a/kernel/kapi/devices.cpp b/kernel/kapi/devices.cpp
index 031f2c9..b2911b0 100644
--- a/kernel/kapi/devices.cpp
+++ b/kernel/kapi/devices.cpp
@@ -1,7 +1,9 @@
 #include "kapi/devices.hpp"
 
+#include "kapi/acpi.hpp"
 #include "kapi/system.hpp"
 
+#include "kernel/devices/cpu.hpp"
 #include "kernel/devices/root_bus.hpp"
 
 #include <kstd/flat_map>
@@ -35,6 +37,14 @@ namespace kapi::devices
     auto & bus = root_bus.emplace();
     register_device(bus);
     bus.init();
+
+    auto madt = kapi::acpi::get_table("APIC");
+    if (madt)
+    {
+      auto cpu_major = allocate_major_number();
+      auto cpu = kstd::make_unique<kernel::devices::cpu>(cpu_major);
+      bus.add_child(std::move(cpu));
+    }
   }
 
   auto get_root_bus() -> bus &
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