From af8a516fc22865abd80d6e26f1541fa3d6bebfdc Mon Sep 17 00:00:00 2001
From: Amlal El Mahrouss <amlal.elmahrouss@icloud.com>
Date: Thu, 9 May 2024 00:42:44 +0200
Subject: MHR-23: :boom:, refactors.

- Move NewBoot to /Boot, thus making Kernel directory only containing the kernel.

Signed-off-by: Amlal El Mahrouss <amlal.elmahrouss@icloud.com>
---
 Kernel/KernelKit/DeviceManager.hpp | 131 +++++++++++++++++++++++++++++++++++++
 1 file changed, 131 insertions(+)
 create mode 100644 Kernel/KernelKit/DeviceManager.hpp

(limited to 'Kernel/KernelKit/DeviceManager.hpp')

diff --git a/Kernel/KernelKit/DeviceManager.hpp b/Kernel/KernelKit/DeviceManager.hpp
new file mode 100644
index 00000000..d6a2849d
--- /dev/null
+++ b/Kernel/KernelKit/DeviceManager.hpp
@@ -0,0 +1,131 @@
+/* -------------------------------------------
+
+    Copyright SoftwareLabs
+
+------------------------------------------- */
+
+/* -------------------------------------------
+
+ Revision History:
+
+     31/01/24: Add kDeviceCnt (amlel)
+
+ ------------------------------------------- */
+
+#pragma once
+
+/* NewOS device interface manager. */
+/* @file KernelKit/DeviceManager.hpp */
+/* @brief Device abstraction and I/O buffer. */
+
+#include <NewKit/ErrorOr.hpp>
+#include <NewKit/Ref.hpp>
+
+#define kDriveManagerCount 4U
+
+// Last Rev
+// Wed, Apr  3, 2024  9:09:41 AM
+
+namespace NewOS
+{
+	template <typename T>
+	class DeviceInterface;
+
+	template <typename T>
+	class DeviceInterface
+	{
+	public:
+		explicit DeviceInterface(void (*Out)(T), void (*In)(T))
+			: fOut(Out), fIn(In)
+		{
+		}
+
+		virtual ~DeviceInterface() = default;
+
+	public:
+		DeviceInterface& operator=(const DeviceInterface<T>&) = default;
+		DeviceInterface(const DeviceInterface<T>&)			  = default;
+
+	public:
+		virtual DeviceInterface<T>& operator<<(T Data)
+		{
+			fOut(Data);
+			return *this;
+		}
+
+		virtual DeviceInterface<T>& operator>>(T Data)
+		{
+			fIn(Data);
+			return *this;
+		}
+
+		virtual const char* Name() const
+		{
+			return "DeviceInterface";
+		}
+
+		operator bool()
+		{
+			return fOut && fIn;
+		}
+		bool operator!()
+		{
+			return !fOut && !fIn;
+		}
+
+	private:
+		void (*fOut)(T Data);
+		void (*fIn)(T Data);
+	};
+
+	///
+	/// @brief Input Output Buffer
+	/// Used mainly to communicate between hardware.
+	///
+	template <typename T>
+	class IOBuf final
+	{
+	public:
+		explicit IOBuf(T Dat)
+			: fData(Dat)
+		{
+			// at least pass something valid when instancating this struct.
+			MUST_PASS(Dat);
+		}
+
+		IOBuf& operator=(const IOBuf<T>&) = default;
+		IOBuf(const IOBuf<T>&)			  = default;
+
+		~IOBuf() = default;
+
+	public:
+		template <typename R>
+		R operator->() const
+		{
+			return fData;
+		}
+
+		template <typename R>
+		R& operator[](Size index) const
+		{
+			return fData[index];
+		}
+
+	private:
+		T fData;
+	};
+
+	///! @brief Device enum types.
+	enum
+	{
+		kDeviceTypeIDE,
+		kDeviceTypeEthernet,
+		kDeviceTypeWiFi,
+		kDeviceTypeRS232,
+		kDeviceTypeSCSI,
+		kDeviceTypeSHCI,
+		kDeviceTypeUSB,
+		kDeviceTypeMedia,
+		kDeviceTypeCount,
+	};
+} // namespace NewOS
-- 
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