1 files changed, 75 insertions, 0 deletions
diff --git a/dev/kernel/KernelKit/PCI/IO.h b/dev/kernel/KernelKit/PCI/IO.h
new file mode 100644
index 00000000..1d60df8e
--- /dev/null
+++ b/dev/kernel/KernelKit/PCI/IO.h
@@ -0,0 +1,75 @@
+/* -------------------------------------------
+
+	Copyright (C) 2024-2025, Amlal EL Mahrouss, all rights reserved.
+
+------------------------------------------- */
+
+#pragma once
+
+#include <ArchKit/ArchKit.h>
+#include <NewKit/Array.h>
+#include <NewKit/Defines.h>
+#include <NewKit/Ref.h>
+
+namespace NeOS
+{
+	template <SizeT Sz>
+	class IOArray final
+	{
+	public:
+		IOArray() = delete;
+
+		IOArray(nullPtr) = delete;
+
+		explicit IOArray(Array<UShort, Sz>& ports)
+			: fPorts(ports)
+		{
+		}
+
+		~IOArray()
+		{
+		}
+
+		IOArray& operator=(const IOArray&) = default;
+
+		IOArray(const IOArray&) = default;
+
+		operator bool()
+		{
+			return !fPorts.Empty();
+		}
+
+	public:
+		template <typename T>
+		T In(SizeT index);
+
+		template <typename T>
+		void Out(SizeT index, T value);
+
+	private:
+		Array<UShort, Sz> fPorts;
+	};
+
+	inline constexpr UInt16 kMaxPorts = 16;
+
+	using IOArray16 = IOArray<kMaxPorts>;
+
+	template <SizeT Sz>
+	inline Array<UShort, Sz> make_ports(UShort base)
+	{
+		Array<UShort, Sz> ports;
+
+		for (UShort i = 0; i < Sz; ++i)
+		{
+			ports[i] = base + i;
+		}
+
+		return ports;
+	}
+} // namespace NeOS
+
+#ifdef __x86_64__
+#include <KernelKit/PCI/IOArray+AMD64.inl>
+#else
+#error Please provide platform specific code for the I/O
+#endif // ifdef __x86_64__