1 files changed, 32 insertions, 0 deletions
diff --git a/arch/x86_64/arch/devices/pit.hpp b/arch/x86_64/arch/devices/pit.hpp
new file mode 100644
index 00000000..5104087b
--- /dev/null
+++ b/arch/x86_64/arch/devices/pit.hpp
@@ -0,0 +1,32 @@
+#ifndef TEACHOS_ARCH_X86_64_DEVICES_PIT_HPP
+#define TEACHOS_ARCH_X86_64_DEVICES_PIT_HPP
+
+#include <arch/bus/isa.hpp>
+
+#include <kapi/devices.hpp>
+
+#include <string_view>
+
+namespace arch::devices
+{
+
+  //! The ISA device for the legacy Programmable Interrupt Timer.
+  //!
+  //! This type identifies the PIT device node to the driver, so the driver can be matched successfully.
+  struct pit final : kapi::devices::device, arch::bus::isa_identification
+  {
+    //! Construct a new PIT device.
+    pit();
+
+    //! Get the synthetic ISA identifier for this device.
+    //!
+    //! @return the string "pit"
+    [[nodiscard]] auto isa_name() const -> std::string_view override;
+
+  protected:
+    auto query_interface(kapi::devices::interface interface) -> void * override;
+  };
+
+}  // namespace arch::devices
+
+#endif
+\ No newline at end of file