From ab4c59912c526d515e6e72188c08a7f92e5573e8 Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@ost.ch>
Date: Thu, 2 Apr 2026 15:07:54 +0200
Subject: x86_64: implement legacy PIT driver

---
 arch/x86_64/kapi/devices.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'arch/x86_64/kapi/devices.cpp')

diff --git a/arch/x86_64/kapi/devices.cpp b/arch/x86_64/kapi/devices.cpp
index 25185d6..7aa7090 100644
--- a/arch/x86_64/kapi/devices.cpp
+++ b/arch/x86_64/kapi/devices.cpp
@@ -1,20 +1,31 @@
 #include "kapi/devices.hpp"
 
 #include "arch/bus/isa.hpp"
+#include "arch/devices/legacy_pit.hpp"
 
 #include <kstd/memory>
 #include <kstd/print>
 
+#include <cstdint>
 #include <utility>
 
 namespace kapi::devices
 {
 
+  namespace
+  {
+    constexpr auto pit_frequency_in_hz = std::uint32_t{100u};
+  }
+
   auto init_platform_devices() -> void
   {
     kstd::println("[x86_64:devices] Initializing ISA bus...");
+
     auto isa_bus = kstd::make_unique<arch::bus::isa>();
 
+    auto pit = kstd::make_unique<arch::devices::legacy_pit>(pit_frequency_in_hz);
+    isa_bus->add_child(std::move(pit));
+
     auto & root_bus = get_root_bus();
     root_bus.add_child(std::move(isa_bus));
   }
-- 
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