More unfinished work on kernel API

src/memoryregion.hpp

@@ -0,0 +1,87 @@
+#ifndef MEMORYBLOCK_H
+#define MEMORYBLOCK_H
+
+#include "systypes.hpp"
+
+class MemoryRegion
+{
+public:
+
+	MemoryRegion();
+
+    MemoryRegion(const MemoryRegion& copy);
+
+	MemoryRegion(physaddr_t location, size_t size, unsigned int type);
+
+	const MemoryRegion& operator=(const MemoryRegion& rhs);
+
+	/**
+	 * @brief Tests whether this object describes the same region of memory
+	 * as rhs, irrespective of type.
+	 * 
+	 * @param rhs The object to compare to
+	 * @return true if and only if the location and size of the two regions are equal
+	 * @return false if the two regions have differing locations or differing sizes
+	 */
+    bool operator==(const MemoryRegion& rhs) const;
+
+	/**
+	 * @brief Tests whether this object describes a different region of memory
+	 * than rhs, irrespective of type.
+	 * 
+	 * @param rhs The object to compare to
+	 * @return true if the two regions have differing locations or differing sizes
+	 * @return false if and only if the location and size of the two regions are equal
+	 */
+	bool operator!=(const MemoryRegion& rhs) const;
+
+	/**
+	 * @brief 
+	 * 
+	 * @param rhs 
+	 * @return true 
+	 * @return false 
+	 */
+    bool operator<(const MemoryRegion& rhs) const;
+
+    bool operator>(const MemoryRegion& rhs) const;
+
+    bool operator<=(const MemoryRegion& rhs) const;
+
+    bool operator>=(const MemoryRegion& rhs) const;
+
+	physaddr_t getLocation() const;
+
+	size_t getSize() const;
+
+	unsigned int getType() const;
+
+    physaddr_t getEnd() const;
+
+	bool contains(const MemoryRegion& r) const;
+
+	bool contains(physaddr_t location, size_t size) const;
+
+    bool overlaps(const MemoryRegion& r) const;
+
+    bool bordersLeft(const MemoryRegion& right) const;
+
+    bool bordersRight(const MemoryRegion& left) const;
+
+    bool borders(const MemoryRegion& r) const;
+
+	void truncateLeft(physaddr_t left);
+
+	void truncateRight(physaddr_t right);
+			
+private:
+
+	physaddr_t m_location;
+			
+	size_t m_size;
+			
+	unsigned int m_type;
+			
+};
+
+#endif