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Kernel: Move Kernel CommandLine parsing to strongly typed API.

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Previously all of the CommandLine parsing was spread out around the
Kernel. Instead move it all into the Kernel CommandLine class, and
expose a strongly typed API for querying the state of options.
This commit is contained in:
Brian Gianforcaro 2021-03-03 00:51:55 -08:00 • committed by Andreas Kling
parent 74881ac649
commit 84a399de5d
9 changed files with 143 additions and 45 deletions
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36
Kernel/CommandLine.h
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@ -29,9 +29,27 @@
#include <AK/HashMap.h>
#include <AK/Optional.h>
#include <AK/String.h>
#include <AK/Vector.h>
namespace Kernel {
enum class BootMode {
Text,
SelfTest,
Graphical
};
enum class HPETMode {
Periodic,
NonPeriodic
};
enum class AcpiFeatureLevel {
Enabled,
Limited,
Disabled,
};
class CommandLine {
AK_MAKE_ETERNAL;
@ -39,9 +57,23 @@ public:
static void early_initialize(const char* cmd_line);
static void initialize();
const String& string() const { return m_string; }
[[nodiscard]] const String& string() const { return m_string; }
Optional<String> lookup(const String& key) const;
bool contains(const String& key) const;
[[nodiscard]] bool contains(const String& key) const;
[[nodiscard]] bool is_ide_enabled() const;
[[nodiscard]] bool is_smp_enabled() const;
[[nodiscard]] bool is_vmmouse_enabled() const;
[[nodiscard]] bool is_mmio_enabled() const;
[[nodiscard]] bool is_legacy_time_enabled() const;
[[nodiscard]] bool is_text_mode() const;
[[nodiscard]] bool is_force_pio() const;
[[nodiscard]] AcpiFeatureLevel acpi_feature_level() const;
[[nodiscard]] BootMode boot_mode() const;
[[nodiscard]] HPETMode hpet_mode() const;
[[nodiscard]] String userspace_init() const;
[[nodiscard]] Vector<String> userspace_init_args() const;
[[nodiscard]] String root_device() const;
private:
CommandLine(const String&);