/* * Copyright (c) 2020, Liav A. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #pragma once #include #include namespace Kernel { class ContiguousVMObject final : public VMObject { public: virtual ~ContiguousVMObject() override; static NonnullRefPtr create_with_size(size_t, size_t physical_alignment = PAGE_SIZE); private: explicit ContiguousVMObject(size_t, size_t physical_alignment); explicit ContiguousVMObject(const ContiguousVMObject&); virtual const char* class_name() const override { return "ContiguousVMObject"; } virtual RefPtr clone() override; ContiguousVMObject& operator=(const ContiguousVMObject&) = delete; ContiguousVMObject& operator=(ContiguousVMObject&&) = delete; ContiguousVMObject(ContiguousVMObject&&) = delete; virtual bool is_contiguous() const override { return true; } }; }