Kernel: Rework whole Terminal structure
Serial monitors can now be used as a output. This requires editing init code for the stdio opening. Serial input is not supported, so qemu still needs graphical window for ps/2 keyboard.
This commit is contained in:
Bananymous
parent
9b47603a1d
commit
55714b90cd
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@ -44,7 +44,6 @@ set(KERNEL_SOURCES
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kernel/Process.cpp
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kernel/Scheduler.cpp
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kernel/Semaphore.cpp
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kernel/Serial.cpp
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kernel/SpinLock.cpp
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kernel/SSP.cpp
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kernel/Storage/ATABus.cpp
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@ -54,8 +53,10 @@ set(KERNEL_SOURCES
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kernel/Storage/StorageDevice.cpp
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kernel/Syscall.cpp
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kernel/Syscall.S
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kernel/Terminal/Serial.cpp
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kernel/Terminal/TTY.cpp
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kernel/Terminal/VesaTerminalDriver.cpp
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kernel/Terminal/VirtualTTY.cpp
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kernel/Thread.cpp
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kernel/Timer/HPET.cpp
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kernel/Timer/PIT.cpp
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@ -16,7 +16,7 @@ namespace Kernel
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void add_device(BAN::StringView path, BAN::RefPtr<Device>);
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dev_t get_next_rdev();
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dev_t get_next_dev();
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private:
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DevFileSystem(size_t size)
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@ -1,28 +0,0 @@
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#pragma once
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#include <BAN/Errors.h>
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namespace Kernel
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{
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class Serial
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{
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public:
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static void initialize();
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static bool has_devices();
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static void putchar_any(char);
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void putchar(char);
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private:
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static bool port_has_device(uint16_t);
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bool is_transmit_empty() const;
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bool is_valid() const { return m_port != 0; }
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private:
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uint16_t m_port { 0 };
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};
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}
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@ -0,0 +1,58 @@
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#pragma once
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#include <BAN/Errors.h>
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#include <kernel/Terminal/TTY.h>
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namespace Kernel
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{
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class Serial
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{
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public:
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static void initialize();
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static bool has_devices();
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static void putchar_any(char);
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static void initialize_devices();
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void putchar(char);
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char getchar();
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uint16_t port() const { return m_port; }
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uint32_t width() const { return m_width; }
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uint32_t height() const { return m_height; }
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private:
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static bool port_has_device(uint16_t);
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bool initialize_size();
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bool is_valid() const { return m_port != 0; }
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private:
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uint16_t m_port { 0 };
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uint32_t m_width { 0 };
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uint32_t m_height { 0 };
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};
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class SerialTTY final : public TTY
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{
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public:
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static BAN::ErrorOr<BAN::RefPtr<SerialTTY>> create(Serial);
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virtual uint32_t width() const override;
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virtual uint32_t height() const override;
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virtual void putchar(uint8_t) override;
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private:
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SerialTTY(Serial);
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bool initialize();
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private:
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Serial m_serial;
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public:
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virtual dev_t rdev() const override { return m_rdev; }
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private:
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const dev_t m_rdev;
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};
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}
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@ -10,18 +10,13 @@
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namespace Kernel
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{
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class TTY : public CharacterDevice
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{
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public:
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TTY(TerminalDriver*);
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void set_termios(const termios& termios) { m_termios = termios; }
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termios get_termios() const { return m_termios; }
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void set_font(const Kernel::Font&);
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uint32_t height() const { return m_height; }
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uint32_t width() const { return m_width; }
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virtual void set_font(const Font&) {};
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void set_foreground_pgrp(pid_t pgrp) { m_foreground_pgrp = pgrp; }
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pid_t foreground_pgrp() const { return m_foreground_pgrp; }
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@ -30,80 +25,40 @@ namespace Kernel
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static void putchar_current(uint8_t ch);
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static bool is_initialized();
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static BAN::RefPtr<TTY> current();
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void set_as_current();
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void initialize_device();
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static void initialize_devices();
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void on_key_event(Input::KeyEvent);
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virtual bool is_tty() const override { return true; }
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virtual BAN::ErrorOr<size_t> read(size_t, void*, size_t) override;
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virtual BAN::ErrorOr<size_t> write(size_t, const void*, size_t) override;
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virtual bool has_data() const override;
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virtual uint32_t height() const = 0;
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virtual uint32_t width() const = 0;
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virtual void putchar(uint8_t ch) = 0;
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bool has_data() const;
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protected:
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TTY(mode_t mode, uid_t uid, gid_t gid)
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: CharacterDevice(mode, uid, gid)
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{ }
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private:
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void clear();
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void putchar(uint8_t ch);
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void reset_ansi();
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void handle_ansi_csi(uint8_t ch);
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void handle_ansi_csi_color();
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void putchar_at(uint32_t codepoint, uint32_t x, uint32_t y);
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void render_from_buffer(uint32_t x, uint32_t y);
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void set_cursor_position(uint32_t x, uint32_t y);
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void on_key(Input::KeyEvent);
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void do_backspace();
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private:
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enum class State
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{
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Normal,
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WaitingAnsiEscape,
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WaitingAnsiCSI,
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WaitingUTF8,
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};
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struct AnsiState
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{
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int32_t nums[2] { -1, -1 };
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int32_t index { 0 };
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bool question { false };
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};
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struct UTF8State
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{
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uint32_t codepoint { 0 };
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uint8_t bytes_missing { 0 };
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};
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struct Cell
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{
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TerminalDriver::Color foreground { TerminalColor::BRIGHT_WHITE };
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TerminalDriver::Color background { TerminalColor::BLACK };
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uint32_t codepoint { ' ' };
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};
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private:
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protected:
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mutable Kernel::SpinLock m_lock;
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State m_state { State::Normal };
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AnsiState m_ansi_state { };
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UTF8State m_utf8_state { };
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uint32_t m_width { 0 };
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uint32_t m_height { 0 };
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uint32_t m_saved_row { 0 };
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uint32_t m_saved_column { 0 };
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uint32_t m_row { 0 };
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uint32_t m_column { 0 };
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Cell* m_buffer { nullptr };
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bool m_show_cursor { true };
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TerminalDriver::Color m_foreground { TerminalColor::BRIGHT_WHITE };
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TerminalDriver::Color m_background { TerminalColor::BLACK };
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pid_t m_foreground_pgrp { 0 };
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termios m_termios;
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private:
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pid_t m_foreground_pgrp { 0 };
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struct Buffer
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{
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BAN::Array<uint8_t, 1024> buffer;
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@ -112,15 +67,6 @@ namespace Kernel
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Semaphore semaphore;
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};
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Buffer m_output;
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TerminalDriver* m_terminal_driver { nullptr };
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public:
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virtual dev_t rdev() const override { return m_rdev; }
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virtual bool is_tty() const override { return true; }
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private:
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dev_t m_rdev;
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};
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}
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@ -0,0 +1,90 @@
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#pragma once
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#include <BAN/Array.h>
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#include <kernel/Device/Device.h>
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#include <kernel/Input/KeyEvent.h>
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#include <kernel/SpinLock.h>
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#include <kernel/Terminal/TerminalDriver.h>
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#include <kernel/Terminal/termios.h>
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#include <kernel/Terminal/TTY.h>
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#include <kernel/Semaphore.h>
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namespace Kernel
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{
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class VirtualTTY : public TTY
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{
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public:
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static BAN::ErrorOr<BAN::RefPtr<VirtualTTY>> create(TerminalDriver*);
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virtual void set_font(const Font&) override;
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virtual uint32_t height() const override { return m_height; }
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virtual uint32_t width() const override { return m_width; }
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virtual void putchar(uint8_t ch) override;
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private:
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VirtualTTY(TerminalDriver*);
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void clear();
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void reset_ansi();
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void handle_ansi_csi(uint8_t ch);
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void handle_ansi_csi_color();
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void putchar_at(uint32_t codepoint, uint32_t x, uint32_t y);
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void render_from_buffer(uint32_t x, uint32_t y);
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void set_cursor_position(uint32_t x, uint32_t y);
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private:
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enum class State
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{
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Normal,
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WaitingAnsiEscape,
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WaitingAnsiCSI,
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WaitingUTF8,
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};
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struct AnsiState
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{
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int32_t nums[2] { -1, -1 };
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int32_t index { 0 };
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bool question { false };
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};
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struct UTF8State
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{
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uint32_t codepoint { 0 };
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uint8_t bytes_missing { 0 };
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};
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struct Cell
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{
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TerminalDriver::Color foreground { TerminalColor::BRIGHT_WHITE };
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TerminalDriver::Color background { TerminalColor::BLACK };
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uint32_t codepoint { ' ' };
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};
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private:
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State m_state { State::Normal };
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AnsiState m_ansi_state { };
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UTF8State m_utf8_state { };
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uint32_t m_width { 0 };
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uint32_t m_height { 0 };
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uint32_t m_saved_row { 0 };
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uint32_t m_saved_column { 0 };
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uint32_t m_row { 0 };
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uint32_t m_column { 0 };
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Cell* m_buffer { nullptr };
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bool m_show_cursor { true };
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TerminalDriver* m_terminal_driver { nullptr };
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public:
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virtual dev_t rdev() const override { return m_rdev; }
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private:
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const dev_t m_rdev;
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};
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}
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@ -1,8 +1,8 @@
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#include <kernel/Debug.h>
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#include <kernel/InterruptController.h>
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#include <kernel/Memory/PageTable.h>
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#include <kernel/Serial.h>
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#include <kernel/SpinLock.h>
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#include <kernel/Terminal/Serial.h>
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#include <kernel/Terminal/TTY.h>
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#include <kernel/Timer/Timer.h>
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@ -6,7 +6,7 @@ namespace Kernel
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BAN::ErrorOr<BAN::RefPtr<NullDevice>> NullDevice::create(mode_t mode, uid_t uid, gid_t gid)
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{
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auto* result = new NullDevice(mode, uid, gid, DevFileSystem::get().get_next_rdev());
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auto* result = new NullDevice(mode, uid, gid, DevFileSystem::get().get_next_dev());
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if (result == nullptr)
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return BAN::Error::from_errno(ENOMEM);
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return BAN::RefPtr<NullDevice>::adopt(result);
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@ -58,10 +58,10 @@ namespace Kernel
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MUST(reinterpret_cast<RamDirectoryInode*>(root_inode().ptr())->add_inode(path, device));
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}
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dev_t DevFileSystem::get_next_rdev()
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dev_t DevFileSystem::get_next_dev()
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{
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static dev_t next_rdev = 1;
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return next_rdev++;
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static dev_t next_dev = 1;
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return next_dev++;
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}
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}
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@ -54,7 +54,7 @@ namespace Kernel::Input
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PS2Keyboard::PS2Keyboard(PS2Controller& controller)
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: m_controller(controller)
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, m_rdev(makedev(DevFileSystem::get().get_next_rdev(), 0))
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, m_rdev(makedev(DevFileSystem::get().get_next_dev(), 0))
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{ }
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void PS2Keyboard::on_byte(uint8_t byte)
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@ -1,76 +0,0 @@
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#include <BAN/Array.h>
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#include <kernel/IO.h>
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#include <kernel/Serial.h>
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#define COM1_PORT 0x3f8
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namespace Kernel
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{
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static constexpr uint16_t s_serial_ports[] = { 0x3F8, 0x2F8, 0x3E8, 0x2E8, 0x5F8, 0x4F8, 0x5E8, 0x4E8 };
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static BAN::Array<Serial, sizeof(s_serial_ports) / sizeof(*s_serial_ports)> s_serial_devices;
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static bool s_has_devices { false };
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void Serial::initialize()
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{
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int count = 0;
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for (size_t i = 0; i < s_serial_devices.size(); i++)
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{
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if (port_has_device(s_serial_ports[i]))
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{
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s_serial_devices[i].m_port = s_serial_ports[i];
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count++;
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}
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}
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s_has_devices = !!count;
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dprintln("Initialized {} serial devices", count);
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}
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bool Serial::port_has_device(uint16_t port)
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{
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IO::outb(port + 1, 0x00); // Disable all interrupts
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IO::outb(port + 3, 0x80); // Enable DLAB (set baud rate divisor)
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IO::outb(port + 0, 0x03); // Set divisor to 3 (lo byte) 38400 baud
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IO::outb(port + 1, 0x00); // (hi byte)
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IO::outb(port + 3, 0x03); // 8 bits, no parity, one stop bit
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IO::outb(port + 2, 0xC7); // Enable FIFO, clear them, with 14-byte threshold
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IO::outb(port + 4, 0x0B); // IRQs enabled, RTS/DSR set
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IO::outb(port + 4, 0x1E); // Set in loopback mode, test the serial chip
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IO::outb(port + 0, 0xAE); // Test serial chip (send byte 0xAE and check if serial returns same byte)
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// Check if serial is faulty (i.e: not same byte as sent)
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if(IO::inb(COM1_PORT + 0) != 0xAE)
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return false;
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// If serial is not faulty set it in normal operation mode
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// (not-loopback with IRQs enabled and OUT#1 and OUT#2 bits enabled)
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IO::outb(port + 4, 0x0F);
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return true;
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}
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bool Serial::has_devices()
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{
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return s_has_devices;
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}
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bool Serial::is_transmit_empty() const
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{
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return !(IO::inb(m_port + 5) & 0x20);
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}
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void Serial::putchar(char c)
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{
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while (is_transmit_empty())
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continue;
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IO::outb(m_port, c);
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}
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void Serial::putchar_any(char c)
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{
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for (auto& device : s_serial_devices)
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if (device.is_valid())
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device.putchar(c);
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}
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}
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@ -47,7 +47,7 @@ namespace Kernel
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}
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ATAController::ATAController()
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: m_rdev(makedev(DevFileSystem::get().get_next_rdev(), 0))
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: m_rdev(makedev(DevFileSystem::get().get_next_dev(), 0))
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{ }
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BAN::ErrorOr<void> ATAController::initialize(const PCIDevice& pci_device)
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@ -11,7 +11,7 @@ namespace Kernel
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ATADevice::ATADevice(ATABus& bus)
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: m_bus(bus)
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, m_rdev(makedev(DevFileSystem::get().get_next_rdev(), 0))
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, m_rdev(makedev(DevFileSystem::get().get_next_dev(), 0))
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{ }
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BAN::ErrorOr<void> ATADevice::initialize(ATABus::DeviceType type, const uint16_t* identify_buffer)
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@ -0,0 +1,180 @@
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#include <BAN/Array.h>
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#include <kernel/FS/DevFS/FileSystem.h>
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#include <kernel/IO.h>
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#include <kernel/Terminal/Serial.h>
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#include <ctype.h>
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#include <sys/sysmacros.h>
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namespace Kernel
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{
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|
||||
static constexpr uint16_t s_serial_ports[] = { 0x3F8, 0x2F8, 0x3E8, 0x2E8, 0x5F8, 0x4F8, 0x5E8, 0x4E8 };
|
||||
static BAN::Array<Serial, sizeof(s_serial_ports) / sizeof(*s_serial_ports)> s_serial_drivers;
|
||||
static bool s_has_devices { false };
|
||||
|
||||
|
||||
static dev_t next_rdev()
|
||||
{
|
||||
static dev_t major = DevFileSystem::get().get_next_dev();
|
||||
static dev_t minor = 0;
|
||||
return makedev(major, minor++);
|
||||
}
|
||||
|
||||
void Serial::initialize()
|
||||
{
|
||||
int count = 0;
|
||||
for (size_t i = 0; i < s_serial_drivers.size(); i++)
|
||||
{
|
||||
if (port_has_device(s_serial_ports[i]))
|
||||
{
|
||||
auto& driver = s_serial_drivers[i];
|
||||
driver.m_port = s_serial_ports[i];
|
||||
if (!driver.initialize_size())
|
||||
continue;
|
||||
count++;
|
||||
}
|
||||
}
|
||||
s_has_devices = !!count;
|
||||
|
||||
for (auto& driver : s_serial_drivers)
|
||||
dprintln("{}x{} serial device at 0x{H}", driver.width(), driver.height(), driver.port());
|
||||
}
|
||||
|
||||
void Serial::initialize_devices()
|
||||
{
|
||||
for (auto& serial : s_serial_drivers)
|
||||
if (serial.is_valid())
|
||||
MUST(SerialTTY::create(serial));
|
||||
}
|
||||
|
||||
bool Serial::port_has_device(uint16_t port)
|
||||
{
|
||||
IO::outb(port + 1, 0x00); // Disable all interrupts
|
||||
IO::outb(port + 3, 0x80); // Enable DLAB (set baud rate divisor)
|
||||
IO::outb(port + 0, 0x03); // Set divisor to 3 (lo byte) 38400 baud
|
||||
IO::outb(port + 1, 0x00); // (hi byte)
|
||||
IO::outb(port + 3, 0x03); // 8 bits, no parity, one stop bit
|
||||
IO::outb(port + 2, 0xC7); // Enable FIFO, clear them, with 14-byte threshold
|
||||
IO::outb(port + 4, 0x0B); // IRQs enabled, RTS/DSR set
|
||||
IO::outb(port + 4, 0x1E); // Set in loopback mode, test the serial chip
|
||||
IO::outb(port + 0, 0xAE); // Test serial chip (send byte 0xAE and check if serial returns same byte)
|
||||
|
||||
// Check if serial is faulty (i.e: not same byte as sent)
|
||||
if(IO::inb(port + 0) != 0xAE)
|
||||
return false;
|
||||
|
||||
// If serial is not faulty set it in normal operation mode
|
||||
// (not-loopback with IRQs enabled and OUT#1 and OUT#2 bits enabled)
|
||||
IO::outb(port + 4, 0x0F);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
bool Serial::initialize_size()
|
||||
{
|
||||
const char* query = "\e[999;999H\e[6n\e[H\e[J";
|
||||
|
||||
const char* ptr = query;
|
||||
while (*ptr)
|
||||
putchar(*ptr++);
|
||||
|
||||
if (getchar() != '\033')
|
||||
return false;
|
||||
if (getchar() != '[')
|
||||
return false;
|
||||
|
||||
auto read_number =
|
||||
[&](char end)
|
||||
{
|
||||
uint32_t number = 0;
|
||||
while (true)
|
||||
{
|
||||
char c = getchar();
|
||||
if (c == end)
|
||||
break;
|
||||
if (!isdigit(c))
|
||||
return UINT32_MAX;
|
||||
number = (number * 10) + (c - '0');
|
||||
}
|
||||
return number;
|
||||
};
|
||||
|
||||
m_height = read_number(';');
|
||||
if (m_height == UINT32_MAX)
|
||||
{
|
||||
m_port = 0;
|
||||
return false;
|
||||
}
|
||||
|
||||
m_width = read_number('R');
|
||||
if (m_width == UINT32_MAX)
|
||||
{
|
||||
m_port = 0;
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
bool Serial::has_devices()
|
||||
{
|
||||
return s_has_devices;
|
||||
}
|
||||
|
||||
void Serial::putchar(char c)
|
||||
{
|
||||
while (!(IO::inb(m_port + 5) & 0x20))
|
||||
continue;
|
||||
IO::outb(m_port, c);
|
||||
}
|
||||
|
||||
char Serial::getchar()
|
||||
{
|
||||
while (!(IO::inb(m_port + 5) & 0x01))
|
||||
continue;
|
||||
return IO::inb(m_port);
|
||||
}
|
||||
|
||||
void Serial::putchar_any(char c)
|
||||
{
|
||||
for (auto& device : s_serial_drivers)
|
||||
if (device.is_valid())
|
||||
device.putchar(c);
|
||||
}
|
||||
|
||||
SerialTTY::SerialTTY(Serial serial)
|
||||
: TTY(0660, 0, 0)
|
||||
, m_serial(serial)
|
||||
, m_rdev(next_rdev())
|
||||
{}
|
||||
|
||||
BAN::ErrorOr<BAN::RefPtr<SerialTTY>> SerialTTY::create(Serial serial)
|
||||
{
|
||||
auto* tty = new SerialTTY(serial);
|
||||
ASSERT(tty);
|
||||
|
||||
ASSERT(minor(tty->rdev()) < 10);
|
||||
char name[] = { 't', 't', 'y', 'S', (char)('0' + minor(tty->rdev())), '\0' };
|
||||
|
||||
auto ref_ptr = BAN::RefPtr<SerialTTY>::adopt(tty);
|
||||
DevFileSystem::get().add_device(name, ref_ptr);
|
||||
return ref_ptr;
|
||||
}
|
||||
|
||||
uint32_t SerialTTY::width() const
|
||||
{
|
||||
return m_serial.width();
|
||||
}
|
||||
|
||||
uint32_t SerialTTY::height() const
|
||||
{
|
||||
return m_serial.height();
|
||||
}
|
||||
|
||||
void SerialTTY::putchar(uint8_t ch)
|
||||
{
|
||||
m_serial.putchar(ch);
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -11,61 +11,28 @@
|
|||
#include <string.h>
|
||||
#include <sys/sysmacros.h>
|
||||
|
||||
#define BEL 0x07
|
||||
#define BS 0x08
|
||||
#define HT 0x09
|
||||
#define LF 0x0A
|
||||
#define FF 0x0C
|
||||
#define CR 0x0D
|
||||
#define ESC 0x1B
|
||||
|
||||
#define CSI '['
|
||||
|
||||
namespace Kernel
|
||||
{
|
||||
|
||||
static Process* s_input_process = nullptr;
|
||||
|
||||
static dev_t next_tty_rdev()
|
||||
{
|
||||
static dev_t major = DevFileSystem::get().get_next_rdev();
|
||||
static dev_t minor = 0;
|
||||
return makedev(major, minor++);
|
||||
}
|
||||
|
||||
static BAN::RefPtr<TTY> s_tty;
|
||||
|
||||
TTY::TTY(TerminalDriver* driver)
|
||||
: CharacterDevice(0666, 0, 0)
|
||||
, m_terminal_driver(driver)
|
||||
{
|
||||
m_width = m_terminal_driver->width();
|
||||
m_height = m_terminal_driver->height();
|
||||
|
||||
m_buffer = new Cell[m_width * m_height];
|
||||
ASSERT(m_buffer);
|
||||
|
||||
if (!s_tty)
|
||||
s_tty = this;
|
||||
}
|
||||
|
||||
BAN::RefPtr<TTY> TTY::current()
|
||||
{
|
||||
ASSERT(s_tty);
|
||||
return s_tty;
|
||||
}
|
||||
|
||||
void TTY::initialize_device()
|
||||
void TTY::set_as_current()
|
||||
{
|
||||
m_rdev = next_tty_rdev();
|
||||
s_tty = this;
|
||||
}
|
||||
|
||||
ASSERT(minor(m_rdev) < 10);
|
||||
char name[5] { 't', 't', 'y', (char)('0' + minor(m_rdev)), '\0' };
|
||||
void TTY::initialize_devices()
|
||||
{
|
||||
static bool initialized = false;
|
||||
ASSERT(!initialized);
|
||||
|
||||
DevFileSystem::get().add_device(name, BAN::RefPtr<TTY>::adopt(this));
|
||||
|
||||
if (s_input_process)
|
||||
return;
|
||||
s_input_process = Process::create_kernel(
|
||||
Process::create_kernel(
|
||||
[](void*)
|
||||
{
|
||||
int fd = MUST(Process::current().sys_open("/dev/input0"sv, O_RDONLY));
|
||||
|
|
@ -86,13 +53,15 @@ namespace Kernel
|
|||
dwarnln("TTY: {}", ret.error());
|
||||
}
|
||||
else
|
||||
current_tty.on_key(event);
|
||||
current_tty.on_key_event(event);
|
||||
}
|
||||
}, nullptr
|
||||
);
|
||||
|
||||
initialized = true;
|
||||
}
|
||||
|
||||
void TTY::on_key(Input::KeyEvent event)
|
||||
void TTY::on_key_event(Input::KeyEvent event)
|
||||
{
|
||||
LockGuard _(m_lock);
|
||||
|
||||
|
|
@ -249,24 +218,14 @@ flush:
|
|||
}
|
||||
}
|
||||
|
||||
void TTY::clear()
|
||||
{
|
||||
for (uint32_t i = 0; i < m_width * m_height; i++)
|
||||
m_buffer[i] = { .foreground = m_foreground, .background = m_background, .codepoint = ' ' };
|
||||
m_terminal_driver->clear(m_background);
|
||||
}
|
||||
|
||||
void TTY::do_backspace()
|
||||
{
|
||||
auto print_backspace =
|
||||
[this]
|
||||
{
|
||||
if (m_termios.echo && m_column > 0)
|
||||
{
|
||||
m_column--;
|
||||
putchar_at(' ', m_column, m_row);
|
||||
set_cursor_position(m_column, m_row);
|
||||
}
|
||||
putchar('\b');
|
||||
putchar(' ');
|
||||
putchar('\b');
|
||||
};
|
||||
|
||||
if (m_output.bytes > 0)
|
||||
|
|
@ -302,369 +261,6 @@ flush:
|
|||
}
|
||||
}
|
||||
|
||||
void TTY::set_cursor_position(uint32_t x, uint32_t y)
|
||||
{
|
||||
static uint32_t last_x = -1;
|
||||
static uint32_t last_y = -1;
|
||||
if (last_x != uint32_t(-1) && last_y != uint32_t(-1))
|
||||
render_from_buffer(last_x, last_y);
|
||||
if (m_show_cursor)
|
||||
m_terminal_driver->set_cursor_position(x, y);
|
||||
last_x = m_column = x;
|
||||
last_y = m_row = y;
|
||||
}
|
||||
|
||||
void TTY::set_font(const Kernel::Font& font)
|
||||
{
|
||||
m_terminal_driver->set_font(font);
|
||||
|
||||
uint32_t new_width = m_terminal_driver->width();
|
||||
uint32_t new_height = m_terminal_driver->height();
|
||||
|
||||
if (m_width != new_width || m_height != new_height)
|
||||
{
|
||||
Cell* new_buffer = new Cell[new_width * new_height];
|
||||
ASSERT(new_buffer);
|
||||
|
||||
for (uint32_t i = 0; i < new_width * m_height; i++)
|
||||
new_buffer[i] = { .foreground = m_foreground, .background = m_background, .codepoint = ' ' };
|
||||
|
||||
for (uint32_t y = 0; y < BAN::Math::min<uint32_t>(m_height, new_height); y++)
|
||||
for (uint32_t x = 0; x < BAN::Math::min<uint32_t>(m_width, new_width); x++)
|
||||
new_buffer[y * new_width + x] = m_buffer[y * m_width + x];
|
||||
|
||||
delete[] m_buffer;
|
||||
m_buffer = new_buffer;
|
||||
m_width = new_width;
|
||||
m_height = new_height;
|
||||
}
|
||||
|
||||
for (uint32_t y = 0; y < m_height; y++)
|
||||
for (uint32_t x = 0; x < m_width; x++)
|
||||
render_from_buffer(x, y);
|
||||
}
|
||||
|
||||
void TTY::reset_ansi()
|
||||
{
|
||||
m_ansi_state.index = 0;
|
||||
m_ansi_state.nums[0] = -1;
|
||||
m_ansi_state.nums[1] = -1;
|
||||
m_ansi_state.question = false;
|
||||
m_state = State::Normal;
|
||||
}
|
||||
|
||||
void TTY::handle_ansi_csi_color()
|
||||
{
|
||||
switch (m_ansi_state.nums[0])
|
||||
{
|
||||
case -1:
|
||||
case 0:
|
||||
m_foreground = TerminalColor::BRIGHT_WHITE;
|
||||
m_background = TerminalColor::BLACK;
|
||||
break;
|
||||
|
||||
case 30: m_foreground = TerminalColor::BRIGHT_BLACK; break;
|
||||
case 31: m_foreground = TerminalColor::BRIGHT_RED; break;
|
||||
case 32: m_foreground = TerminalColor::BRIGHT_GREEN; break;
|
||||
case 33: m_foreground = TerminalColor::BRIGHT_YELLOW; break;
|
||||
case 34: m_foreground = TerminalColor::BRIGHT_BLUE; break;
|
||||
case 35: m_foreground = TerminalColor::BRIGHT_MAGENTA; break;
|
||||
case 36: m_foreground = TerminalColor::BRIGHT_CYAN; break;
|
||||
case 37: m_foreground = TerminalColor::BRIGHT_WHITE; break;
|
||||
|
||||
case 40: m_background = TerminalColor::BRIGHT_BLACK; break;
|
||||
case 41: m_background = TerminalColor::BRIGHT_RED; break;
|
||||
case 42: m_background = TerminalColor::BRIGHT_GREEN; break;
|
||||
case 43: m_background = TerminalColor::BRIGHT_YELLOW; break;
|
||||
case 44: m_background = TerminalColor::BRIGHT_BLUE; break;
|
||||
case 45: m_background = TerminalColor::BRIGHT_MAGENTA; break;
|
||||
case 46: m_background = TerminalColor::BRIGHT_CYAN; break;
|
||||
case 47: m_background = TerminalColor::BRIGHT_WHITE; break;
|
||||
}
|
||||
}
|
||||
|
||||
void TTY::handle_ansi_csi(uint8_t ch)
|
||||
{
|
||||
switch (ch)
|
||||
{
|
||||
case '0': case '1': case '2': case '3': case '4':
|
||||
case '5': case '6': case '7': case '8': case '9':
|
||||
{
|
||||
int32_t& val = m_ansi_state.nums[m_ansi_state.index];
|
||||
val = (val == -1) ? (ch - '0') : (val * 10 + ch - '0');
|
||||
return;
|
||||
}
|
||||
case ';':
|
||||
m_ansi_state.index++;
|
||||
return;
|
||||
case 'A': // Cursor Up
|
||||
if (m_ansi_state.nums[0] == -1)
|
||||
m_ansi_state.nums[0] = 1;
|
||||
m_row = BAN::Math::max<int32_t>(m_row - m_ansi_state.nums[0], 0);
|
||||
return reset_ansi();
|
||||
case 'B': // Curson Down
|
||||
if (m_ansi_state.nums[0] == -1)
|
||||
m_ansi_state.nums[0] = 1;
|
||||
m_row = BAN::Math::min<int32_t>(m_row + m_ansi_state.nums[0], m_height - 1);
|
||||
return reset_ansi();
|
||||
case 'C': // Cursor Forward
|
||||
if (m_ansi_state.nums[0] == -1)
|
||||
m_ansi_state.nums[0] = 1;
|
||||
m_column = BAN::Math::min<int32_t>(m_column + m_ansi_state.nums[0], m_width - 1);
|
||||
return reset_ansi();
|
||||
case 'D': // Cursor Back
|
||||
if (m_ansi_state.nums[0] == -1)
|
||||
m_ansi_state.nums[0] = 1;
|
||||
m_column = BAN::Math::max<int32_t>(m_column - m_ansi_state.nums[0], 0);
|
||||
return reset_ansi();
|
||||
case 'E': // Cursor Next Line
|
||||
if (m_ansi_state.nums[0] == -1)
|
||||
m_ansi_state.nums[0] = 1;
|
||||
m_row = BAN::Math::min<int32_t>(m_row + m_ansi_state.nums[0], m_height - 1);
|
||||
m_column = 0;
|
||||
return reset_ansi();
|
||||
case 'F': // Cursor Previous Line
|
||||
if (m_ansi_state.nums[0] == -1)
|
||||
m_ansi_state.nums[0] = 1;
|
||||
m_row = BAN::Math::max<int32_t>(m_row - m_ansi_state.nums[0], 0);
|
||||
m_column = 0;
|
||||
return reset_ansi();
|
||||
case 'G': // Cursor Horizontal Absolute
|
||||
if (m_ansi_state.nums[0] == -1)
|
||||
m_ansi_state.nums[0] = 1;
|
||||
m_column = BAN::Math::clamp<int32_t>(m_ansi_state.nums[0] - 1, 0, m_width - 1);
|
||||
return reset_ansi();
|
||||
case 'H': // Cursor Position
|
||||
if (m_ansi_state.nums[0] == -1)
|
||||
m_ansi_state.nums[0] = 1;
|
||||
if (m_ansi_state.nums[1] == -1)
|
||||
m_ansi_state.nums[1] = 1;
|
||||
m_row = BAN::Math::clamp<int32_t>(m_ansi_state.nums[0] - 1, 0, m_height - 1);
|
||||
m_column = BAN::Math::clamp<int32_t>(m_ansi_state.nums[1] - 1, 0, m_width - 1);
|
||||
return reset_ansi();
|
||||
case 'J': // Erase in Display
|
||||
if (m_ansi_state.nums[0] == -1 || m_ansi_state.nums[0] == 0)
|
||||
{
|
||||
// Clear from cursor to the end of screen
|
||||
for (uint32_t i = m_column; i < m_width; i++)
|
||||
putchar_at(' ', i, m_row);
|
||||
for (uint32_t row = 0; row < m_height; row++)
|
||||
for (uint32_t col = 0; col < m_width; col++)
|
||||
putchar_at(' ', col, row);
|
||||
}
|
||||
else if (m_ansi_state.nums[0] == 1)
|
||||
{
|
||||
// Clear from cursor to the beginning of screen
|
||||
for (uint32_t row = 0; row < m_row; row++)
|
||||
for (uint32_t col = 0; col < m_width; col++)
|
||||
putchar_at(' ', col, row);
|
||||
for (uint32_t i = 0; i <= m_column; i++)
|
||||
putchar_at(' ', i, m_row);
|
||||
}
|
||||
else if (m_ansi_state.nums[0] == 2 || m_ansi_state.nums[0] == 3)
|
||||
{
|
||||
// Clean entire screen
|
||||
clear();
|
||||
}
|
||||
else
|
||||
{
|
||||
dprintln("Unsupported ANSI CSI character J");
|
||||
}
|
||||
|
||||
if (m_ansi_state.nums[0] == 3)
|
||||
{
|
||||
// FIXME: Clear scroll backbuffer if/when added
|
||||
}
|
||||
return reset_ansi();
|
||||
case 'K': // Erase in Line
|
||||
if (m_ansi_state.nums[0] == -1 || m_ansi_state.nums[0] == 0)
|
||||
for (uint32_t i = m_column; i < m_width; i++)
|
||||
putchar_at(' ', i, m_row);
|
||||
else
|
||||
dprintln("Unsupported ANSI CSI character K");
|
||||
return reset_ansi();
|
||||
case 'S': // Scroll Up
|
||||
dprintln("Unsupported ANSI CSI character S");
|
||||
return reset_ansi();
|
||||
case 'T': // Scroll Down
|
||||
dprintln("Unsupported ANSI CSI character T");
|
||||
return reset_ansi();
|
||||
case 'f': // Horizontal Vertical Position
|
||||
dprintln("Unsupported ANSI CSI character f");
|
||||
return reset_ansi();
|
||||
case 'm':
|
||||
handle_ansi_csi_color();
|
||||
return reset_ansi();
|
||||
case 's':
|
||||
m_saved_row = m_row;
|
||||
m_saved_column = m_column;
|
||||
return reset_ansi();
|
||||
case 'u':
|
||||
m_row = m_saved_row;
|
||||
m_column = m_saved_column;
|
||||
return reset_ansi();
|
||||
|
||||
case '?':
|
||||
if (m_ansi_state.index != 0 || m_ansi_state.nums[0] != -1)
|
||||
{
|
||||
dprintln("invalid ANSI CSI ?");
|
||||
return reset_ansi();
|
||||
}
|
||||
m_ansi_state.question = true;
|
||||
return;
|
||||
case 'h':
|
||||
case 'l':
|
||||
if (!m_ansi_state.question || m_ansi_state.nums[0] != 25)
|
||||
{
|
||||
dprintln("invalid ANSI CSI ?{}{}", m_ansi_state.nums[0], (char)ch);
|
||||
return reset_ansi();
|
||||
}
|
||||
m_show_cursor = (ch == 'h');
|
||||
return reset_ansi();
|
||||
default:
|
||||
dprintln("Unsupported ANSI CSI character {}", ch);
|
||||
return reset_ansi();
|
||||
}
|
||||
}
|
||||
|
||||
void TTY::render_from_buffer(uint32_t x, uint32_t y)
|
||||
{
|
||||
ASSERT(x < m_width && y < m_height);
|
||||
const auto& cell = m_buffer[y * m_width + x];
|
||||
m_terminal_driver->putchar_at(cell.codepoint, x, y, cell.foreground, cell.background);
|
||||
}
|
||||
|
||||
void TTY::putchar_at(uint32_t codepoint, uint32_t x, uint32_t y)
|
||||
{
|
||||
ASSERT(x < m_width && y < m_height);
|
||||
auto& cell = m_buffer[y * m_width + x];
|
||||
cell.codepoint = codepoint;
|
||||
cell.foreground = m_foreground;
|
||||
cell.background = m_background;
|
||||
m_terminal_driver->putchar_at(codepoint, x, y, m_foreground, m_background);
|
||||
}
|
||||
|
||||
void TTY::putchar(uint8_t ch)
|
||||
{
|
||||
ASSERT(m_lock.is_locked());
|
||||
|
||||
uint32_t codepoint = ch;
|
||||
|
||||
switch (m_state)
|
||||
{
|
||||
case State::Normal:
|
||||
if ((ch & 0x80) == 0)
|
||||
break;
|
||||
if ((ch & 0xE0) == 0xC0)
|
||||
{
|
||||
m_utf8_state.codepoint = ch & 0x1F;
|
||||
m_utf8_state.bytes_missing = 1;
|
||||
}
|
||||
else if ((ch & 0xF0) == 0xE0)
|
||||
{
|
||||
m_utf8_state.codepoint = ch & 0x0F;
|
||||
m_utf8_state.bytes_missing = 2;
|
||||
}
|
||||
else if ((ch & 0xF8) == 0xF0)
|
||||
{
|
||||
m_utf8_state.codepoint = ch & 0x07;
|
||||
m_utf8_state.bytes_missing = 3;
|
||||
}
|
||||
else
|
||||
{
|
||||
dprintln("invalid utf8");
|
||||
}
|
||||
m_state = State::WaitingUTF8;
|
||||
return;
|
||||
case State::WaitingAnsiEscape:
|
||||
if (ch == CSI)
|
||||
m_state = State::WaitingAnsiCSI;
|
||||
else
|
||||
{
|
||||
dprintln("unsupported byte after ansi escape {2H}", (uint8_t)ch);
|
||||
reset_ansi();
|
||||
}
|
||||
return;
|
||||
case State::WaitingAnsiCSI:
|
||||
handle_ansi_csi(ch);
|
||||
set_cursor_position(m_column, m_row);
|
||||
return;
|
||||
case State::WaitingUTF8:
|
||||
if ((ch & 0xC0) != 0x80)
|
||||
{
|
||||
dprintln("invalid utf8");
|
||||
m_state = State::Normal;
|
||||
return;
|
||||
}
|
||||
m_utf8_state.codepoint = (m_utf8_state.codepoint << 6) | (ch & 0x3F);
|
||||
m_utf8_state.bytes_missing--;
|
||||
if (m_utf8_state.bytes_missing)
|
||||
return;
|
||||
m_state = State::Normal;
|
||||
codepoint = m_utf8_state.codepoint;
|
||||
break;
|
||||
default:
|
||||
ASSERT_NOT_REACHED();
|
||||
}
|
||||
|
||||
switch (codepoint)
|
||||
{
|
||||
case BEL: // TODO
|
||||
break;
|
||||
case BS:
|
||||
if (m_column > 0)
|
||||
m_column--;
|
||||
break;
|
||||
case HT:
|
||||
m_column++;
|
||||
while (m_column % 8)
|
||||
m_column++;
|
||||
break;
|
||||
case LF:
|
||||
m_column = 0;
|
||||
m_row++;
|
||||
break;
|
||||
case FF:
|
||||
m_row++;
|
||||
break;
|
||||
case CR:
|
||||
m_column = 0;
|
||||
break;
|
||||
case ESC:
|
||||
m_state = State::WaitingAnsiEscape;
|
||||
break;;
|
||||
default:
|
||||
putchar_at(codepoint, m_column, m_row);
|
||||
m_column++;
|
||||
break;
|
||||
}
|
||||
|
||||
if (m_column >= m_width)
|
||||
{
|
||||
m_column = 0;
|
||||
m_row++;
|
||||
}
|
||||
|
||||
while (m_row >= m_height)
|
||||
{
|
||||
memmove(m_buffer, m_buffer + m_width, m_width * (m_height - 1) * sizeof(Cell));
|
||||
|
||||
// Clear last line in buffer
|
||||
for (uint32_t x = 0; x < m_width; x++)
|
||||
m_buffer[(m_height - 1) * m_width + x] = { .foreground = m_foreground, .background = m_background, .codepoint = ' ' };
|
||||
|
||||
// Render the whole buffer to the screen
|
||||
for (uint32_t y = 0; y < m_height; y++)
|
||||
for (uint32_t x = 0; x < m_width; x++)
|
||||
render_from_buffer(x, y);
|
||||
|
||||
m_column = 0;
|
||||
m_row--;
|
||||
}
|
||||
|
||||
set_cursor_position(m_column, m_row);
|
||||
}
|
||||
|
||||
BAN::ErrorOr<size_t> TTY::read(size_t, void* buffer, size_t count)
|
||||
{
|
||||
m_lock.lock();
|
||||
|
|
|
|||
|
|
@ -0,0 +1,429 @@
|
|||
#include <BAN/Errors.h>
|
||||
#include <BAN/ScopeGuard.h>
|
||||
#include <BAN/UTF8.h>
|
||||
#include <kernel/Debug.h>
|
||||
#include <kernel/FS/DevFS/FileSystem.h>
|
||||
#include <kernel/LockGuard.h>
|
||||
#include <kernel/Process.h>
|
||||
#include <kernel/Terminal/VirtualTTY.h>
|
||||
|
||||
#include <fcntl.h>
|
||||
#include <string.h>
|
||||
#include <sys/sysmacros.h>
|
||||
|
||||
#define BEL 0x07
|
||||
#define BS 0x08
|
||||
#define HT 0x09
|
||||
#define LF 0x0A
|
||||
#define FF 0x0C
|
||||
#define CR 0x0D
|
||||
#define ESC 0x1B
|
||||
|
||||
#define CSI '['
|
||||
|
||||
namespace Kernel
|
||||
{
|
||||
|
||||
static dev_t next_rdev()
|
||||
{
|
||||
static dev_t major = DevFileSystem::get().get_next_dev();
|
||||
static dev_t minor = 0;
|
||||
return makedev(major, minor++);
|
||||
}
|
||||
|
||||
BAN::ErrorOr<BAN::RefPtr<VirtualTTY>> VirtualTTY::create(TerminalDriver* driver)
|
||||
{
|
||||
auto* tty = new VirtualTTY(driver);
|
||||
ASSERT(tty);
|
||||
|
||||
ASSERT(minor(tty->rdev()) < 10);
|
||||
char name[5] { 't', 't', 'y', (char)('0' + minor(tty->rdev())), '\0' };
|
||||
|
||||
auto ref_ptr = BAN::RefPtr<VirtualTTY>::adopt(tty);
|
||||
DevFileSystem::get().add_device(name, ref_ptr);
|
||||
return ref_ptr;
|
||||
}
|
||||
|
||||
VirtualTTY::VirtualTTY(TerminalDriver* driver)
|
||||
: TTY(0666, 0, 0)
|
||||
, m_terminal_driver(driver)
|
||||
, m_rdev(next_rdev())
|
||||
{
|
||||
m_width = m_terminal_driver->width();
|
||||
m_height = m_terminal_driver->height();
|
||||
|
||||
m_buffer = new Cell[m_width * m_height];
|
||||
ASSERT(m_buffer);
|
||||
}
|
||||
|
||||
void VirtualTTY::clear()
|
||||
{
|
||||
for (uint32_t i = 0; i < m_width * m_height; i++)
|
||||
m_buffer[i] = { .foreground = m_foreground, .background = m_background, .codepoint = ' ' };
|
||||
m_terminal_driver->clear(m_background);
|
||||
}
|
||||
|
||||
void VirtualTTY::set_font(const Kernel::Font& font)
|
||||
{
|
||||
m_terminal_driver->set_font(font);
|
||||
|
||||
uint32_t new_width = m_terminal_driver->width();
|
||||
uint32_t new_height = m_terminal_driver->height();
|
||||
|
||||
if (m_width != new_width || m_height != new_height)
|
||||
{
|
||||
Cell* new_buffer = new Cell[new_width * new_height];
|
||||
ASSERT(new_buffer);
|
||||
|
||||
for (uint32_t i = 0; i < new_width * m_height; i++)
|
||||
new_buffer[i] = { .foreground = m_foreground, .background = m_background, .codepoint = ' ' };
|
||||
|
||||
for (uint32_t y = 0; y < BAN::Math::min<uint32_t>(m_height, new_height); y++)
|
||||
for (uint32_t x = 0; x < BAN::Math::min<uint32_t>(m_width, new_width); x++)
|
||||
new_buffer[y * new_width + x] = m_buffer[y * m_width + x];
|
||||
|
||||
delete[] m_buffer;
|
||||
m_buffer = new_buffer;
|
||||
m_width = new_width;
|
||||
m_height = new_height;
|
||||
}
|
||||
|
||||
for (uint32_t y = 0; y < m_height; y++)
|
||||
for (uint32_t x = 0; x < m_width; x++)
|
||||
render_from_buffer(x, y);
|
||||
}
|
||||
|
||||
void VirtualTTY::set_cursor_position(uint32_t x, uint32_t y)
|
||||
{
|
||||
static uint32_t last_x = -1;
|
||||
static uint32_t last_y = -1;
|
||||
if (last_x != uint32_t(-1) && last_y != uint32_t(-1))
|
||||
render_from_buffer(last_x, last_y);
|
||||
if (m_show_cursor)
|
||||
m_terminal_driver->set_cursor_position(x, y);
|
||||
last_x = m_column = x;
|
||||
last_y = m_row = y;
|
||||
}
|
||||
|
||||
void VirtualTTY::reset_ansi()
|
||||
{
|
||||
m_ansi_state.index = 0;
|
||||
m_ansi_state.nums[0] = -1;
|
||||
m_ansi_state.nums[1] = -1;
|
||||
m_ansi_state.question = false;
|
||||
m_state = State::Normal;
|
||||
}
|
||||
|
||||
void VirtualTTY::handle_ansi_csi_color()
|
||||
{
|
||||
switch (m_ansi_state.nums[0])
|
||||
{
|
||||
case -1:
|
||||
case 0:
|
||||
m_foreground = TerminalColor::BRIGHT_WHITE;
|
||||
m_background = TerminalColor::BLACK;
|
||||
break;
|
||||
|
||||
case 30: m_foreground = TerminalColor::BRIGHT_BLACK; break;
|
||||
case 31: m_foreground = TerminalColor::BRIGHT_RED; break;
|
||||
case 32: m_foreground = TerminalColor::BRIGHT_GREEN; break;
|
||||
case 33: m_foreground = TerminalColor::BRIGHT_YELLOW; break;
|
||||
case 34: m_foreground = TerminalColor::BRIGHT_BLUE; break;
|
||||
case 35: m_foreground = TerminalColor::BRIGHT_MAGENTA; break;
|
||||
case 36: m_foreground = TerminalColor::BRIGHT_CYAN; break;
|
||||
case 37: m_foreground = TerminalColor::BRIGHT_WHITE; break;
|
||||
|
||||
case 40: m_background = TerminalColor::BRIGHT_BLACK; break;
|
||||
case 41: m_background = TerminalColor::BRIGHT_RED; break;
|
||||
case 42: m_background = TerminalColor::BRIGHT_GREEN; break;
|
||||
case 43: m_background = TerminalColor::BRIGHT_YELLOW; break;
|
||||
case 44: m_background = TerminalColor::BRIGHT_BLUE; break;
|
||||
case 45: m_background = TerminalColor::BRIGHT_MAGENTA; break;
|
||||
case 46: m_background = TerminalColor::BRIGHT_CYAN; break;
|
||||
case 47: m_background = TerminalColor::BRIGHT_WHITE; break;
|
||||
}
|
||||
}
|
||||
|
||||
void VirtualTTY::handle_ansi_csi(uint8_t ch)
|
||||
{
|
||||
switch (ch)
|
||||
{
|
||||
case '0': case '1': case '2': case '3': case '4':
|
||||
case '5': case '6': case '7': case '8': case '9':
|
||||
{
|
||||
int32_t& val = m_ansi_state.nums[m_ansi_state.index];
|
||||
val = (val == -1) ? (ch - '0') : (val * 10 + ch - '0');
|
||||
return;
|
||||
}
|
||||
case ';':
|
||||
m_ansi_state.index++;
|
||||
return;
|
||||
case 'A': // Cursor Up
|
||||
if (m_ansi_state.nums[0] == -1)
|
||||
m_ansi_state.nums[0] = 1;
|
||||
m_row = BAN::Math::max<int32_t>(m_row - m_ansi_state.nums[0], 0);
|
||||
return reset_ansi();
|
||||
case 'B': // Curson Down
|
||||
if (m_ansi_state.nums[0] == -1)
|
||||
m_ansi_state.nums[0] = 1;
|
||||
m_row = BAN::Math::min<int32_t>(m_row + m_ansi_state.nums[0], m_height - 1);
|
||||
return reset_ansi();
|
||||
case 'C': // Cursor Forward
|
||||
if (m_ansi_state.nums[0] == -1)
|
||||
m_ansi_state.nums[0] = 1;
|
||||
m_column = BAN::Math::min<int32_t>(m_column + m_ansi_state.nums[0], m_width - 1);
|
||||
return reset_ansi();
|
||||
case 'D': // Cursor Back
|
||||
if (m_ansi_state.nums[0] == -1)
|
||||
m_ansi_state.nums[0] = 1;
|
||||
m_column = BAN::Math::max<int32_t>(m_column - m_ansi_state.nums[0], 0);
|
||||
return reset_ansi();
|
||||
case 'E': // Cursor Next Line
|
||||
if (m_ansi_state.nums[0] == -1)
|
||||
m_ansi_state.nums[0] = 1;
|
||||
m_row = BAN::Math::min<int32_t>(m_row + m_ansi_state.nums[0], m_height - 1);
|
||||
m_column = 0;
|
||||
return reset_ansi();
|
||||
case 'F': // Cursor Previous Line
|
||||
if (m_ansi_state.nums[0] == -1)
|
||||
m_ansi_state.nums[0] = 1;
|
||||
m_row = BAN::Math::max<int32_t>(m_row - m_ansi_state.nums[0], 0);
|
||||
m_column = 0;
|
||||
return reset_ansi();
|
||||
case 'G': // Cursor Horizontal Absolute
|
||||
if (m_ansi_state.nums[0] == -1)
|
||||
m_ansi_state.nums[0] = 1;
|
||||
m_column = BAN::Math::clamp<int32_t>(m_ansi_state.nums[0] - 1, 0, m_width - 1);
|
||||
return reset_ansi();
|
||||
case 'H': // Cursor Position
|
||||
if (m_ansi_state.nums[0] == -1)
|
||||
m_ansi_state.nums[0] = 1;
|
||||
if (m_ansi_state.nums[1] == -1)
|
||||
m_ansi_state.nums[1] = 1;
|
||||
m_row = BAN::Math::clamp<int32_t>(m_ansi_state.nums[0] - 1, 0, m_height - 1);
|
||||
m_column = BAN::Math::clamp<int32_t>(m_ansi_state.nums[1] - 1, 0, m_width - 1);
|
||||
return reset_ansi();
|
||||
case 'J': // Erase in Display
|
||||
if (m_ansi_state.nums[0] == -1 || m_ansi_state.nums[0] == 0)
|
||||
{
|
||||
// Clear from cursor to the end of screen
|
||||
for (uint32_t i = m_column; i < m_width; i++)
|
||||
putchar_at(' ', i, m_row);
|
||||
for (uint32_t row = 0; row < m_height; row++)
|
||||
for (uint32_t col = 0; col < m_width; col++)
|
||||
putchar_at(' ', col, row);
|
||||
}
|
||||
else if (m_ansi_state.nums[0] == 1)
|
||||
{
|
||||
// Clear from cursor to the beginning of screen
|
||||
for (uint32_t row = 0; row < m_row; row++)
|
||||
for (uint32_t col = 0; col < m_width; col++)
|
||||
putchar_at(' ', col, row);
|
||||
for (uint32_t i = 0; i <= m_column; i++)
|
||||
putchar_at(' ', i, m_row);
|
||||
}
|
||||
else if (m_ansi_state.nums[0] == 2 || m_ansi_state.nums[0] == 3)
|
||||
{
|
||||
// Clean entire screen
|
||||
clear();
|
||||
}
|
||||
else
|
||||
{
|
||||
dprintln("Unsupported ANSI CSI character J");
|
||||
}
|
||||
|
||||
if (m_ansi_state.nums[0] == 3)
|
||||
{
|
||||
// FIXME: Clear scroll backbuffer if/when added
|
||||
}
|
||||
return reset_ansi();
|
||||
case 'K': // Erase in Line
|
||||
if (m_ansi_state.nums[0] == -1 || m_ansi_state.nums[0] == 0)
|
||||
for (uint32_t i = m_column; i < m_width; i++)
|
||||
putchar_at(' ', i, m_row);
|
||||
else
|
||||
dprintln("Unsupported ANSI CSI character K");
|
||||
return reset_ansi();
|
||||
case 'S': // Scroll Up
|
||||
dprintln("Unsupported ANSI CSI character S");
|
||||
return reset_ansi();
|
||||
case 'T': // Scroll Down
|
||||
dprintln("Unsupported ANSI CSI character T");
|
||||
return reset_ansi();
|
||||
case 'f': // Horizontal Vertical Position
|
||||
dprintln("Unsupported ANSI CSI character f");
|
||||
return reset_ansi();
|
||||
case 'm':
|
||||
handle_ansi_csi_color();
|
||||
return reset_ansi();
|
||||
case 's':
|
||||
m_saved_row = m_row;
|
||||
m_saved_column = m_column;
|
||||
return reset_ansi();
|
||||
case 'u':
|
||||
m_row = m_saved_row;
|
||||
m_column = m_saved_column;
|
||||
return reset_ansi();
|
||||
|
||||
case '?':
|
||||
if (m_ansi_state.index != 0 || m_ansi_state.nums[0] != -1)
|
||||
{
|
||||
dprintln("invalid ANSI CSI ?");
|
||||
return reset_ansi();
|
||||
}
|
||||
m_ansi_state.question = true;
|
||||
return;
|
||||
case 'h':
|
||||
case 'l':
|
||||
if (!m_ansi_state.question || m_ansi_state.nums[0] != 25)
|
||||
{
|
||||
dprintln("invalid ANSI CSI ?{}{}", m_ansi_state.nums[0], (char)ch);
|
||||
return reset_ansi();
|
||||
}
|
||||
m_show_cursor = (ch == 'h');
|
||||
return reset_ansi();
|
||||
default:
|
||||
dprintln("Unsupported ANSI CSI character {}", ch);
|
||||
return reset_ansi();
|
||||
}
|
||||
}
|
||||
|
||||
void VirtualTTY::render_from_buffer(uint32_t x, uint32_t y)
|
||||
{
|
||||
ASSERT(x < m_width && y < m_height);
|
||||
const auto& cell = m_buffer[y * m_width + x];
|
||||
m_terminal_driver->putchar_at(cell.codepoint, x, y, cell.foreground, cell.background);
|
||||
}
|
||||
|
||||
void VirtualTTY::putchar_at(uint32_t codepoint, uint32_t x, uint32_t y)
|
||||
{
|
||||
ASSERT(x < m_width && y < m_height);
|
||||
auto& cell = m_buffer[y * m_width + x];
|
||||
cell.codepoint = codepoint;
|
||||
cell.foreground = m_foreground;
|
||||
cell.background = m_background;
|
||||
m_terminal_driver->putchar_at(codepoint, x, y, m_foreground, m_background);
|
||||
}
|
||||
|
||||
void VirtualTTY::putchar(uint8_t ch)
|
||||
{
|
||||
ASSERT(m_lock.is_locked());
|
||||
|
||||
uint32_t codepoint = ch;
|
||||
|
||||
switch (m_state)
|
||||
{
|
||||
case State::Normal:
|
||||
if ((ch & 0x80) == 0)
|
||||
break;
|
||||
if ((ch & 0xE0) == 0xC0)
|
||||
{
|
||||
m_utf8_state.codepoint = ch & 0x1F;
|
||||
m_utf8_state.bytes_missing = 1;
|
||||
}
|
||||
else if ((ch & 0xF0) == 0xE0)
|
||||
{
|
||||
m_utf8_state.codepoint = ch & 0x0F;
|
||||
m_utf8_state.bytes_missing = 2;
|
||||
}
|
||||
else if ((ch & 0xF8) == 0xF0)
|
||||
{
|
||||
m_utf8_state.codepoint = ch & 0x07;
|
||||
m_utf8_state.bytes_missing = 3;
|
||||
}
|
||||
else
|
||||
{
|
||||
dprintln("invalid utf8");
|
||||
}
|
||||
m_state = State::WaitingUTF8;
|
||||
return;
|
||||
case State::WaitingAnsiEscape:
|
||||
if (ch == CSI)
|
||||
m_state = State::WaitingAnsiCSI;
|
||||
else
|
||||
{
|
||||
dprintln("unsupported byte after ansi escape {2H}", (uint8_t)ch);
|
||||
reset_ansi();
|
||||
}
|
||||
return;
|
||||
case State::WaitingAnsiCSI:
|
||||
handle_ansi_csi(ch);
|
||||
set_cursor_position(m_column, m_row);
|
||||
return;
|
||||
case State::WaitingUTF8:
|
||||
if ((ch & 0xC0) != 0x80)
|
||||
{
|
||||
dprintln("invalid utf8");
|
||||
m_state = State::Normal;
|
||||
return;
|
||||
}
|
||||
m_utf8_state.codepoint = (m_utf8_state.codepoint << 6) | (ch & 0x3F);
|
||||
m_utf8_state.bytes_missing--;
|
||||
if (m_utf8_state.bytes_missing)
|
||||
return;
|
||||
m_state = State::Normal;
|
||||
codepoint = m_utf8_state.codepoint;
|
||||
break;
|
||||
default:
|
||||
ASSERT_NOT_REACHED();
|
||||
}
|
||||
|
||||
switch (codepoint)
|
||||
{
|
||||
case BEL: // TODO
|
||||
break;
|
||||
case BS:
|
||||
if (m_column > 0)
|
||||
m_column--;
|
||||
break;
|
||||
case HT:
|
||||
m_column++;
|
||||
while (m_column % 8)
|
||||
m_column++;
|
||||
break;
|
||||
case LF:
|
||||
m_column = 0;
|
||||
m_row++;
|
||||
break;
|
||||
case FF:
|
||||
m_row++;
|
||||
break;
|
||||
case CR:
|
||||
m_column = 0;
|
||||
break;
|
||||
case ESC:
|
||||
m_state = State::WaitingAnsiEscape;
|
||||
break;;
|
||||
default:
|
||||
putchar_at(codepoint, m_column, m_row);
|
||||
m_column++;
|
||||
break;
|
||||
}
|
||||
|
||||
if (m_column >= m_width)
|
||||
{
|
||||
m_column = 0;
|
||||
m_row++;
|
||||
}
|
||||
|
||||
while (m_row >= m_height)
|
||||
{
|
||||
memmove(m_buffer, m_buffer + m_width, m_width * (m_height - 1) * sizeof(Cell));
|
||||
|
||||
// Clear last line in buffer
|
||||
for (uint32_t x = 0; x < m_width; x++)
|
||||
m_buffer[(m_height - 1) * m_width + x] = { .foreground = m_foreground, .background = m_background, .codepoint = ' ' };
|
||||
|
||||
// Render the whole buffer to the screen
|
||||
for (uint32_t y = 0; y < m_height; y++)
|
||||
for (uint32_t x = 0; x < m_width; x++)
|
||||
render_from_buffer(x, y);
|
||||
|
||||
m_column = 0;
|
||||
m_row--;
|
||||
}
|
||||
|
||||
set_cursor_position(m_column, m_row);
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -16,9 +16,9 @@
|
|||
#include <kernel/PIC.h>
|
||||
#include <kernel/Process.h>
|
||||
#include <kernel/Scheduler.h>
|
||||
#include <kernel/Serial.h>
|
||||
#include <kernel/Syscall.h>
|
||||
#include <kernel/Terminal/TTY.h>
|
||||
#include <kernel/Terminal/Serial.h>
|
||||
#include <kernel/Terminal/VirtualTTY.h>
|
||||
#include <kernel/Terminal/VesaTerminalDriver.h>
|
||||
#include <kernel/Timer/Timer.h>
|
||||
|
||||
|
|
@ -28,6 +28,7 @@ struct ParsedCommandLine
|
|||
{
|
||||
bool force_pic = false;
|
||||
bool disable_serial = false;
|
||||
BAN::StringView console = "tty0"sv;
|
||||
BAN::StringView root;
|
||||
};
|
||||
|
||||
|
|
@ -72,30 +73,11 @@ static void parse_command_line()
|
|||
cmdline.disable_serial = true;
|
||||
else if (argument.size() > 5 && argument.substring(0, 5) == "root=")
|
||||
cmdline.root = argument.substring(5);
|
||||
else if (argument.size() > 8 && argument.substring(0, 8) == "console=")
|
||||
cmdline.console = argument.substring(8);
|
||||
}
|
||||
}
|
||||
|
||||
struct Test
|
||||
{
|
||||
Test() { dprintln("construct (default)"); }
|
||||
Test(const Test&) { dprintln("construct (copy)"); }
|
||||
Test(Test&&) { dprintln("construct (move)"); }
|
||||
~Test() { dprintln("destruct"); }
|
||||
Test& operator=(const Test&) { dprintln("assign (copy)"); return *this; }
|
||||
Test& operator=(Test&&) { dprintln("assign (move)"); return *this; }
|
||||
};
|
||||
|
||||
namespace BAN::Formatter
|
||||
{
|
||||
|
||||
template<typename F>
|
||||
void print_argument(F putc, const Test& test, const ValueFormat& format)
|
||||
{
|
||||
print_argument(putc, &test, format);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
extern "C" uint8_t g_userspace_start[];
|
||||
extern "C" uint8_t g_userspace_end[];
|
||||
|
||||
|
|
@ -112,7 +94,7 @@ extern "C" void kernel_main()
|
|||
Serial::initialize();
|
||||
dprintln("Serial output initialized");
|
||||
}
|
||||
|
||||
|
||||
if (g_multiboot_magic != 0x2BADB002)
|
||||
{
|
||||
dprintln("Invalid multiboot magic number");
|
||||
|
|
@ -134,16 +116,12 @@ extern "C" void kernel_main()
|
|||
Heap::initialize();
|
||||
dprintln("Heap initialzed");
|
||||
|
||||
TerminalDriver* terminal_driver = VesaTerminalDriver::create();
|
||||
ASSERT(terminal_driver);
|
||||
dprintln("VESA initialized");
|
||||
parse_command_line();
|
||||
dprintln("command line parsed, root='{}', console='{}'", cmdline.root, cmdline.console);
|
||||
|
||||
MUST(ACPI::initialize());
|
||||
dprintln("ACPI initialized");
|
||||
|
||||
parse_command_line();
|
||||
dprintln("command line parsed, root='{}'", cmdline.root);
|
||||
|
||||
InterruptController::initialize(cmdline.force_pic);
|
||||
dprintln("Interrupt controller initialized");
|
||||
|
||||
|
|
@ -153,21 +131,34 @@ extern "C" void kernel_main()
|
|||
DevFileSystem::initialize();
|
||||
dprintln("devfs initialized");
|
||||
|
||||
TTY* tty1 = new TTY(terminal_driver);
|
||||
ASSERT(tty1);
|
||||
dprintln("TTY initialized");
|
||||
if (Serial::has_devices())
|
||||
{
|
||||
Serial::initialize_devices();
|
||||
dprintln("Serial devices initialized");
|
||||
}
|
||||
|
||||
TerminalDriver* terminal_driver = VesaTerminalDriver::create();
|
||||
ASSERT(terminal_driver);
|
||||
dprintln("VESA initialized");
|
||||
|
||||
auto vtty = MUST(VirtualTTY::create(terminal_driver));
|
||||
dprintln("Virtual TTY initialized");
|
||||
|
||||
auto console = MUST(DevFileSystem::get().root_inode()->directory_find_inode(cmdline.console));
|
||||
ASSERT(console->is_tty());
|
||||
((TTY*)console.ptr())->set_as_current();
|
||||
|
||||
MUST(Scheduler::initialize());
|
||||
dprintln("Scheduler initialized");
|
||||
|
||||
Scheduler& scheduler = Scheduler::get();
|
||||
Process::create_kernel(init2, tty1);
|
||||
Process::create_kernel(init2, nullptr);
|
||||
scheduler.start();
|
||||
|
||||
ASSERT_NOT_REACHED();
|
||||
}
|
||||
|
||||
static void init2(void* tty1)
|
||||
static void init2(void*)
|
||||
{
|
||||
using namespace Kernel;
|
||||
using namespace Kernel::Input;
|
||||
|
|
@ -184,7 +175,7 @@ static void init2(void* tty1)
|
|||
if (auto res = PS2Controller::initialize(); res.is_error())
|
||||
dprintln("{}", res.error());
|
||||
|
||||
((TTY*)tty1)->initialize_device();
|
||||
TTY::initialize_devices();
|
||||
|
||||
MUST(Process::create_userspace({ 0, 0, 0, 0 }, "/usr/bin/init"sv));
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue