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47c1a31f89
If we are printing strings in the critical path, handling new lines require us to break abstraction a bit to print new lines. Fixes #7562.
48 lines
1.6 KiB
C++
48 lines
1.6 KiB
C++
/*
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* Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/RefCounted.h>
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#include <AK/Types.h>
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#include <Kernel/Graphics/Console/VGAConsole.h>
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#include <Kernel/SpinLock.h>
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namespace Kernel::Graphics {
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class TextModeConsole final : public VGAConsole {
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public:
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static NonnullRefPtr<TextModeConsole> initialize(const VGACompatibleAdapter& adapter);
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virtual size_t chars_per_line() const override { return width(); };
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virtual bool has_hardware_cursor() const override { return true; }
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virtual bool is_hardware_paged_capable() const override { return true; }
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virtual size_t bytes_per_base_glyph() const override { return 2; }
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virtual void set_cursor(size_t x, size_t y) override;
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virtual void hide_cursor() override;
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virtual void show_cursor() override;
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virtual void clear(size_t x, size_t y, size_t length) const override;
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virtual void write(size_t x, size_t y, char ch, bool critical = false) const override;
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virtual void write(size_t x, size_t y, char ch, Color background, Color foreground, bool critical = false) const override;
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virtual void write(char ch, bool critical = false) const override;
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virtual void enable() override { }
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virtual void disable() override { VERIFY_NOT_REACHED(); }
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private:
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void clear_vga_row(u16 row);
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void set_vga_start_row(u16 row);
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explicit TextModeConsole(const VGACompatibleAdapter&);
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mutable SpinLock<u8> m_vga_lock;
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u16 m_vga_start_row { 0 };
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u16 m_current_vga_start_address { 0 };
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u8* m_current_vga_window { nullptr };
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u16 m_cursor_x { 0 };
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u16 m_cursor_y { 0 };
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};
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}
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