serenity/Kernel/CommandLine.h
Liav A d49a35df31 Kernel/Graphics: Simplify the feature level of the Graphics subsystem
Instead of letting the user to determine whether framebuffer devices
will be created (which is useless because they are gone by now), let's
simplify the flow by allowing the user to choose between full, limited
or disabled functionality. The determination happens only once, so, if
the user decided to disable graphics support, the initialize method
exits immediately. If limited functionality is chosen, then a generic
DisplayConnector is initialized with the preset framebuffer resolution,
if present, and then the initialize method exits. As a default, the code
proceeds to initialize all drivers as usual.
2022-05-05 20:55:57 +02:00

109 lines
3 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/HashMap.h>
#include <AK/NonnullOwnPtrVector.h>
#include <AK/Optional.h>
#include <AK/Vector.h>
#include <Kernel/KString.h>
namespace Kernel {
enum class PanicMode {
Halt,
Shutdown,
};
enum class HPETMode {
Periodic,
NonPeriodic
};
enum class AcpiFeatureLevel {
Enabled,
Limited,
Disabled,
};
enum class PCIAccessLevel {
None,
IOAddressing,
MemoryAddressing,
};
enum class AHCIResetMode {
ControllerOnly,
Aggressive,
};
class CommandLine {
public:
static void early_initialize(char const* cmd_line);
static void initialize();
static bool was_initialized();
enum class Validate {
Yes,
No,
};
enum class GraphicsSubsystemMode {
Enabled,
Limited,
Disabled
};
[[nodiscard]] StringView string() const { return m_string->view(); }
Optional<StringView> lookup(StringView key) const;
[[nodiscard]] bool contains(StringView key) const;
[[nodiscard]] bool is_boot_profiling_enabled() const;
[[nodiscard]] bool is_ide_enabled() const;
[[nodiscard]] bool is_ioapic_enabled() const;
[[nodiscard]] bool is_smp_enabled_without_ioapic_enabled() const;
[[nodiscard]] bool is_smp_enabled() const;
[[nodiscard]] bool is_physical_networking_disabled() const;
[[nodiscard]] bool is_vmmouse_enabled() const;
[[nodiscard]] PCIAccessLevel pci_access_level() const;
[[nodiscard]] bool is_pci_disabled() const;
[[nodiscard]] bool is_legacy_time_enabled() const;
[[nodiscard]] bool is_pc_speaker_enabled() const;
[[nodiscard]] GraphicsSubsystemMode graphics_subsystem_mode() const;
[[nodiscard]] bool is_force_pio() const;
[[nodiscard]] AcpiFeatureLevel acpi_feature_level() const;
[[nodiscard]] StringView system_mode() const;
[[nodiscard]] PanicMode panic_mode(Validate should_validate = Validate::No) const;
[[nodiscard]] HPETMode hpet_mode() const;
[[nodiscard]] bool disable_physical_storage() const;
[[nodiscard]] bool disable_ps2_controller() const;
[[nodiscard]] bool disable_uhci_controller() const;
[[nodiscard]] bool disable_usb() const;
[[nodiscard]] bool disable_virtio() const;
[[nodiscard]] bool is_early_boot_console_disabled() const;
[[nodiscard]] AHCIResetMode ahci_reset_mode() const;
[[nodiscard]] StringView userspace_init() const;
[[nodiscard]] NonnullOwnPtrVector<KString> userspace_init_args() const;
[[nodiscard]] StringView root_device() const;
[[nodiscard]] bool is_nvme_polling_enabled() const;
[[nodiscard]] size_t switch_to_tty() const;
private:
CommandLine(StringView);
void add_arguments(Vector<StringView> const& args);
static NonnullOwnPtr<KString> build_commandline(StringView cmdline_from_bootloader);
NonnullOwnPtr<KString> m_string;
HashMap<StringView, StringView> m_params;
};
CommandLine const& kernel_command_line();
}