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d431e4cd01
This was proved to be a problematic option. I tested this option on bare metal AHCI controller, and if we didn't reset the controller, the firmware (SeaBIOS) could leave the controller state not clean, so an plugged device signature was in place although the specific port had no plugged device after rebooting. Therefore, we need to ensure we use the controller in a clean state always. In addition to that, the Complete option was renamed to Aggressive, as it represents better the consequences of choosing this option.
89 lines
2.2 KiB
C++
89 lines
2.2 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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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/HashMap.h>
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#include <AK/Optional.h>
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#include <AK/String.h>
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#include <AK/Vector.h>
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namespace Kernel {
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enum class BootMode {
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NoFramebufferDevices,
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SelfTest,
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Graphical
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};
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enum class HPETMode {
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Periodic,
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NonPeriodic
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};
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enum class AcpiFeatureLevel {
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Enabled,
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Limited,
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Disabled,
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};
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enum class PCIAccessLevel {
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IOAddressing,
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MappingPerBus,
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MappingPerDevice,
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};
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enum class AHCIResetMode {
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ControllerOnly,
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Aggressive,
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};
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class CommandLine {
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AK_MAKE_ETERNAL;
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public:
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static void early_initialize(const char* cmd_line);
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static void initialize();
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[[nodiscard]] const String& string() const { return m_string; }
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Optional<String> lookup(const String& key) const;
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[[nodiscard]] bool contains(const String& key) const;
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[[nodiscard]] bool is_boot_profiling_enabled() const;
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[[nodiscard]] bool is_ide_enabled() const;
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[[nodiscard]] bool is_smp_enabled() const;
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[[nodiscard]] bool is_vmmouse_enabled() const;
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[[nodiscard]] PCIAccessLevel pci_access_level() const;
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[[nodiscard]] bool is_legacy_time_enabled() const;
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[[nodiscard]] bool is_no_framebuffer_devices_mode() const;
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[[nodiscard]] bool is_force_pio() const;
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[[nodiscard]] AcpiFeatureLevel acpi_feature_level() const;
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[[nodiscard]] BootMode boot_mode() const;
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[[nodiscard]] HPETMode hpet_mode() const;
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[[nodiscard]] bool disable_physical_storage() const;
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[[nodiscard]] bool disable_ps2_controller() const;
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[[nodiscard]] bool disable_uhci_controller() const;
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[[nodiscard]] bool disable_virtio() const;
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[[nodiscard]] AHCIResetMode ahci_reset_mode() const;
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[[nodiscard]] String userspace_init() const;
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[[nodiscard]] Vector<String> userspace_init_args() const;
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[[nodiscard]] String root_device() const;
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[[nodiscard]] size_t switch_to_tty() const;
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private:
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CommandLine(const String&);
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void add_arguments(const Vector<String>& args);
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void build_commandline(const String& cmdline_from_bootloader);
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String m_string;
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HashMap<String, String> m_params;
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};
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const CommandLine& kernel_command_line();
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}
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