mirror of
https://github.com/RGBCube/serenity
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5e81464245
This is by default left empty, so people won't run the kernel in a mode which they didn't want to. The embedded string will override the supplied commandline from the bootloader, which is good for debugging sessions. This change seemed important for me, because I debug the kernel on bare metal with iPXE, and every change to the commandline meant that I needed rewrite a new iPXE USB image with a modified iPXE script.
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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Complete,
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None
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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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