serenity/Kernel/CommandLine.h
Liav A ac7953f945 Kernel: Allow switching to IOAPIC mode even without enabling SMP
This small change allows to use the IOAPIC by default without to enable
SMP mode, which emulates Uni-Processor setup with IOAPIC instead of
using the PIC.

This opens the opportunity to utilize other types of interrupts like MSI
and MSI-X interrupts.
2021-12-14 09:02:06 +01:00

98 lines
2.6 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/String.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 {
IOAddressing,
MemoryAddressing,
};
enum class AHCIResetMode {
ControllerOnly,
Aggressive,
};
class CommandLine {
AK_MAKE_ETERNAL;
public:
static void early_initialize(const char* cmd_line);
static void initialize();
enum class Validate {
Yes,
No,
};
[[nodiscard]] const String& string() const { return m_string; }
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() const;
[[nodiscard]] bool is_physical_networking_disabled() const;
[[nodiscard]] bool is_vmmouse_enabled() const;
[[nodiscard]] PCIAccessLevel pci_access_level() const;
[[nodiscard]] bool is_legacy_time_enabled() const;
[[nodiscard]] bool are_framebuffer_devices_enabled() 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]] AHCIResetMode ahci_reset_mode() const;
[[nodiscard]] StringView userspace_init() const;
[[nodiscard]] NonnullOwnPtrVector<KString> userspace_init_args() const;
[[nodiscard]] StringView root_device() const;
[[nodiscard]] size_t switch_to_tty() const;
private:
CommandLine(const String&);
void add_arguments(const Vector<StringView>& args);
void build_commandline(const String& cmdline_from_bootloader);
String m_string;
HashMap<StringView, StringView> m_params;
};
const CommandLine& kernel_command_line();
}