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/*
* Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/Singleton.h>
#include <Kernel/CommandLine.h>
#include <Kernel/Debug.h>
#include <Kernel/Devices/DeviceManagement.h>
#include <Kernel/Graphics/GraphicsManagement.h>
#include <Kernel/Panic.h>
#include <Kernel/Sections.h>
#include <Kernel/TTY/ConsoleManagement.h>
namespace Kernel {
static Singleton<ConsoleManagement> s_the;
void ConsoleManagement::resolution_was_changed()
{
for (auto& console : m_consoles) {
console.refresh_after_resolution_change();
}
}
bool ConsoleManagement::is_initialized()
{
if (!s_the.is_initialized())
return false;
if (s_the->m_consoles.is_empty())
return false;
if (!s_the->m_active_console)
return false;
return true;
}
ConsoleManagement& ConsoleManagement::the()
{
return *s_the;
}
UNMAP_AFTER_INIT ConsoleManagement::ConsoleManagement()
{
}
UNMAP_AFTER_INIT void ConsoleManagement::initialize()
{
for (size_t index = 0; index < s_max_virtual_consoles; index++) {
// FIXME: Better determine the debug TTY we chose...
if (index == 1) {
VERIFY(DeviceManagement::the().is_console_device_attached());
m_consoles.append(VirtualConsole::create_with_preset_log(index, DeviceManagement::the().console_device().logbuffer()));
continue;
}
m_consoles.append(VirtualConsole::create(index));
}
// Note: By default the active console is the first one.
auto tty_number = kernel_command_line().switch_to_tty();
if (tty_number > m_consoles.size()) {
PANIC("Switch to tty value is invalid: {} ", tty_number);
}
m_active_console = &m_consoles[tty_number];
SpinlockLocker lock(m_lock);
m_active_console->set_active(true);
if (!m_active_console->is_graphical())
m_active_console->clear();
}
void ConsoleManagement::switch_to(unsigned index)
{
SpinlockLocker lock(m_lock);
VERIFY(m_active_console);
VERIFY(index < m_consoles.size());
if (m_active_console->index() == index)
return;
bool was_graphical = m_active_console->is_graphical();
m_active_console->set_active(false);
m_active_console = &m_consoles[index];
dbgln_if(VIRTUAL_CONSOLE_DEBUG, "Console: Switch to {}", index);
// Before setting current console to be "active", switch between graphical mode to "textual" mode
// if needed. This will ensure we clear the screen and also that WindowServer won't print anything
// in between.
if (m_active_console->is_graphical() && !was_graphical) {
GraphicsManagement::the().activate_graphical_mode();
}
if (!m_active_console->is_graphical() && was_graphical) {
GraphicsManagement::the().deactivate_graphical_mode();
}
m_active_console->set_active(true);
}
}
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