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aaf3d26dae
This command line flag can be used to disable VirtIO support on certain configurations (native windows) where interfacing with virtio devices can cause qemu to freeze.
105 lines
3.3 KiB
C++
105 lines
3.3 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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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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Text,
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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_text_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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private:
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CommandLine(const String&);
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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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