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Kernel: Absorb LibBareMetal back into the kernel
This was supposed to be the foundation for some kind of pre-kernel environment, but nobody is working on it right now, so let's move everything back into the kernel and remove all the confusion.
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75 changed files with 140 additions and 203 deletions
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Kernel/Console.h
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Kernel/Console.h
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/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <AK/CircularQueue.h>
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#include <AK/Vector.h>
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#include <Kernel/Devices/CharacterDevice.h>
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class ConsoleImplementation {
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public:
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virtual ~ConsoleImplementation();
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virtual void on_sysconsole_receive(u8) = 0;
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};
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class Console final : public Kernel::CharacterDevice {
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AK_MAKE_ETERNAL
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public:
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static Console& the();
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static bool is_initialized();
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Console();
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virtual ~Console() override;
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// ^CharacterDevice
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virtual bool can_read(const Kernel::FileDescription&, size_t) const override;
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virtual bool can_write(const Kernel::FileDescription&, size_t) const override { return true; }
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virtual ssize_t read(Kernel::FileDescription&, size_t, u8*, ssize_t) override;
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virtual ssize_t write(Kernel::FileDescription&, size_t, const u8*, ssize_t) override;
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virtual const char* class_name() const override { return "Console"; }
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void set_implementation(ConsoleImplementation* implementation)
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{
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m_implementation = implementation;
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}
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void put_char(char);
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const CircularQueue<char, 16384>& logbuffer() const { return m_logbuffer; }
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private:
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ConsoleImplementation* m_implementation { nullptr };
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CircularQueue<char, 16384> m_logbuffer;
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};
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