Create new IO Port

include/PSX/System/IOPorts/IOPort.hpp

@@ -0,0 +1,112 @@
+#ifndef __JABYENGINE_IOPORT_HPP__
+#define __JABYENGINE_IOPORT_HPP__
+#include "../../Auxiliary/bits.hpp"
+
+struct BitRange {
+    size_t begin;
+    size_t length;
+
+    static constexpr BitRange from_to(size_t start, size_t end) {
+        return {start, (end - start + 1)};
+    }
+};
+
+template<typename T>
+class __no_align IOPort {
+private:
+    T value = 0;
+
+public:
+    constexpr IOPort() = default;
+    constexpr IOPort(T value) : value(value) {
+    }
+
+    //Accesssing bits
+    template<typename S>
+    constexpr IOPort<T>& set_bit(S bit) {
+        this->value = bit::set(this->value, static_cast<size_t>(bit));
+        return *this;
+    }
+
+    template<typename S>
+    constexpr volatile IOPort<T>& set_bit(S bit) volatile {
+        this->value = bit::set(this->value, static_cast<size_t>(bit));
+        return *this;
+    }
+
+    template<typename S>
+    constexpr IOPort<T>& clear_bit(S bit) {
+        this->value = bit::set(this->value, static_cast<size_t>(bit));
+        return *this;
+    }
+
+    template<typename S>
+    constexpr volatile IOPort<T>& clear_bit(S bit) volatile {
+        this->value = bit::set(this->value, static_cast<size_t>(bit));
+        return *this;
+    }
+
+    template<typename S>
+    constexpr bool is_bit_set(S bit) {
+        return bit::is_set(this->value, static_cast<size_t>(bit));
+    }
+
+    template<typename S>
+    constexpr bool is_bit_set(S bit) volatile {
+        return bit::is_set(this->value, static_cast<size_t>(bit));
+    }
+
+    //Accessing values
+    template<typename S>
+    constexpr IOPort<T>& set_value(S value, const BitRange& range) {
+        this->value = bit::value::set_normalized(this->value, static_cast<T>(value), range.begin, range.length);
+        return *this;
+    }
+
+    template<typename S>
+    constexpr volatile IOPort<T>& set_value(S value, const BitRange& range) volatile {
+        this->value = bit::value::set_normalized(this->value, static_cast<T>(value), range.begin, range.length);
+        return *this;
+    }
+
+    template<typename S>
+    constexpr IOPort<T>& clear_value(const BitRange& range) {
+        this->value = bit::value::clear_normalized(this->value, range.begin, range.length);
+        return *this;
+    }
+
+    template<typename S>
+    constexpr volatile IOPort<T>& clear_value(const BitRange& range) volatile {
+        this->value = bit::value::clear_normalized(this->value, range.begin, range.length);
+        return *this;
+    }
+
+    template<typename S>
+    constexpr S get_value(const BitRange& range) {
+        return static_cast<S>(bit::value::get_normalized(this->value, range.begin, range.length));
+    }
+
+    template<typename S>
+    constexpr S get_value(const BitRange& range) volatile {
+        return static_cast<S>(bit::value::get_normalized(this->value, range.begin, range.length));
+    }
+
+    //For raw access
+    constexpr operator T() const {
+        return this->value;
+    }
+
+    constexpr operator T() const volatile {
+        return this->value;
+    }
+
+    constexpr IOPort<T>& operator=(T value) {
+        this->value = value;
+    }
+
+    constexpr volatile IOPort<T>& operator=(T value) volatile {
+        this->value = value;
+    }
+};
+
+#endif //!__JABYENGINE_IOPORT_HPP__