chore: migrate 'kapi' to p1204 layout

24 files changed, 0 insertions, 1677 deletions

diff --git a/kapi/include/kapi/acpi.hpp b/kapi/include/kapi/acpi.hpp
deleted file mode 100644
index 885fcde..0000000
--- a/kapi/include/kapi/acpi.hpp
+++ /dev/null
@@ -1,40 +0,0 @@
-#ifndef TEACHOS_KAPI_ACPI_HPP
-#define TEACHOS_KAPI_ACPI_HPP
-
-#include <acpi/acpi.hpp>
-
-#include <kstd/memory>
-#include <kstd/units>
-
-#include <string_view>
-
-namespace kapi::acpi
-{
-
-  //! @addtogroup kapi-acpi-kernel-defined
-  //! @{
-
-  //! Initialize the ACPI subsystem and discover the available tables.
-  //!
-  //! @return true iff. a valid system description tabled was found, false otherwise.
-  auto init(::acpi::rsdp const & sdp) -> bool;
-
-  //! Get a pointer to an ACPI table by its signature.
-  //!
-  //! @param signature The signature of the table to get.
-  //! @return A pointer to the table if found, nullptr otherwise.
-  auto get_table(std::string_view signature) -> kstd::observer_ptr<::acpi::table_header const>;
-
-  //! Get a type-cast pointer to an ACPI table by its signature.
-  //!
-  //! @tparam Signature The signature of the table to get
-  //! @return A pointer to the table if found, nullptr otherwise.
-  template<char const * Signature>
-  auto get_table() -> kstd::observer_ptr<::acpi::table_type_t<Signature> const>
-  {
-    return kstd::make_observer(static_cast<::acpi::table_type_t<Signature> const *>(get_table(Signature).get()));
-  }
-
-}  // namespace kapi::acpi
-
-#endif
diff --git a/kapi/include/kapi/boot.hpp b/kapi/include/kapi/boot.hpp
deleted file mode 100644
index 55ca941..0000000
--- a/kapi/include/kapi/boot.hpp
+++ /dev/null
@@ -1,17 +0,0 @@
-#ifndef TEACHOS_KAPI_BOOT_HPP
-#define TEACHOS_KAPI_BOOT_HPP
-
-namespace kapi::boot
-{
-  //! @qualifier platform-defined
-  //! Information passed from the early pre-main stage to the kernel executable.
-  //!
-  //! The specific structure of this type is defined on a platform level.
-  struct information;
-
-  //! @qualifier platform-defined
-  //! An object passed from the early pre-main stage to the kernel executable.
-  extern "C" information const bootstrap_information;
-}  // namespace kapi::boot
-
-#endif
diff --git a/kapi/include/kapi/boot_module/boot_module.hpp b/kapi/include/kapi/boot_module/boot_module.hpp
deleted file mode 100644
index 9b4b165..0000000
--- a/kapi/include/kapi/boot_module/boot_module.hpp
+++ /dev/null
@@ -1,23 +0,0 @@
-#ifndef TEACHOS_KAPI_BOOT_MODULE_BOOT_MODULE_HPP
-#define TEACHOS_KAPI_BOOT_MODULE_BOOT_MODULE_HPP
-
-#include <kapi/memory.hpp>
-
-#include <cstddef>
-#include <string_view>
-
-namespace kapi::boot_modules
-{
-  // ! The boot module struct
-  // !
-  // ! The boot module struct represents a module loaded by the bootloader, and contains information about it, such as
-  // ! its name, virtual start address, and size.
-  struct boot_module
-  {
-    std::string_view name{};
-    memory::linear_address start_address{};
-    std::size_t size{};
-  };
-}  // namespace kapi::boot_modules
-
-#endif
\ No newline at end of file
diff --git a/kapi/include/kapi/boot_module/boot_module_registry.hpp b/kapi/include/kapi/boot_module/boot_module_registry.hpp
deleted file mode 100644
index fc3590f..0000000
--- a/kapi/include/kapi/boot_module/boot_module_registry.hpp
+++ /dev/null
@@ -1,107 +0,0 @@
-#ifndef TEACHOS_KAPI_BOOT_MODULE_BOOT_MODULE_REGISTRY_HPP
-#define TEACHOS_KAPI_BOOT_MODULE_BOOT_MODULE_REGISTRY_HPP
-
-#include <kapi/boot_module/boot_module.hpp>
-
-#include <kstd/vector>
-
-#include <cstddef>
-
-namespace kapi::boot_modules
-{
-
-  // ! The interface of the boot module registry
-  // !
-  // ! The boot module registry is responsible for keeping track of the modules loaded by the bootloader, and
-  // ! providing access to them for the rest of the kernel.
-  struct boot_module_registry
-  {
-    using range_type = kstd::vector<boot_module>;
-    using value_type = range_type::value_type;
-    using const_reference = range_type::const_reference;
-
-    using const_iterator = range_type::const_iterator;
-    using const_reverse_iterator = range_type::const_reverse_iterator;
-    using size_type = range_type::size_type;
-
-    [[nodiscard]] auto begin() const noexcept -> const_iterator
-    {
-      return m_modules.begin();
-    }
-
-    [[nodiscard]] auto end() const noexcept -> const_iterator
-    {
-      return m_modules.end();
-    }
-
-    [[nodiscard]] auto cbegin() const noexcept -> const_iterator
-    {
-      return begin();
-    }
-
-    [[nodiscard]] auto cend() const noexcept -> const_iterator
-    {
-      return end();
-    }
-
-    [[nodiscard]] auto rbegin() const noexcept -> const_reverse_iterator
-    {
-      return m_modules.rbegin();
-    }
-
-    [[nodiscard]] auto rend() const noexcept -> const_reverse_iterator
-    {
-      return m_modules.rend();
-    }
-
-    [[nodiscard]] auto crbegin() const noexcept -> const_reverse_iterator
-    {
-      return rbegin();
-    }
-
-    [[nodiscard]] auto crend() const noexcept -> const_reverse_iterator
-    {
-      return rend();
-    }
-
-    [[nodiscard]] auto front() const noexcept -> const_reference
-    {
-      return m_modules.front();
-    }
-
-    [[nodiscard]] auto back() const noexcept -> const_reference
-    {
-      return m_modules.back();
-    }
-
-    [[nodiscard]] auto size() const noexcept -> std::size_t
-    {
-      return m_modules.size();
-    }
-
-    [[nodiscard]] auto empty() const noexcept -> bool
-    {
-      return m_modules.empty();
-    }
-
-    [[nodiscard]] auto at(std::size_t index) const -> const_reference
-    {
-      return m_modules.at(index);
-    }
-
-    [[nodiscard]] auto operator[](std::size_t index) const noexcept -> const_reference
-    {
-      return m_modules[index];
-    }
-
-    auto add_boot_module(boot_module module) -> void
-    {
-      m_modules.push_back(module);
-    }
-
-  private:
-    range_type m_modules{};
-  };
-}  // namespace kapi::boot_modules
-
-#endif
\ No newline at end of file
diff --git a/kapi/include/kapi/boot_modules.hpp b/kapi/include/kapi/boot_modules.hpp
deleted file mode 100644
index 026479d..0000000
--- a/kapi/include/kapi/boot_modules.hpp
+++ /dev/null
@@ -1,31 +0,0 @@
-#ifndef TEACHOS_KAPI_BOOT_MODULES_HPP
-#define TEACHOS_KAPI_BOOT_MODULES_HPP
-
-#include <kapi/boot_module/boot_module_registry.hpp>  // IWYU pragma: export
-
-namespace kapi::boot_modules
-{
-
-  //! @qualifier platform-defined
-  //! Initialize the boot module registry.
-  //!
-  //! @note This function must be implemented by the target platform.
-  //!
-  //! This function initializes the boot module registry, which is responsible for keeping track of the modules loaded
-  //! by the bootloader, and providing access to them for the rest of the kernel.
-  auto init() -> void;
-
-  //! @qualifier kernel-defined
-  //! Set the boot module registry
-  //!
-  //! @param registry A new boot module registry.
-  auto set_boot_module_registry(boot_module_registry & registry) -> void;
-
-  //! @qualifier kernel-defined
-  //! Get the boot module registry.
-  //!
-  //! @returns The boot module registry.
-  auto get_boot_module_registry() -> boot_module_registry &;
-
-}  // namespace kapi::boot_modules
-#endif
\ No newline at end of file
diff --git a/kapi/include/kapi/cio.hpp b/kapi/include/kapi/cio.hpp
deleted file mode 100644
index 9bbf7fa..0000000
--- a/kapi/include/kapi/cio.hpp
+++ /dev/null
@@ -1,48 +0,0 @@
-#ifndef TEACHOS_KAPI_CIO_HPP
-#define TEACHOS_KAPI_CIO_HPP
-
-#include <kapi/cio/output_device.hpp>  // IWYU pragma: export
-
-#include <kstd/format>
-
-#include <optional>
-#include <string_view>
-
-namespace kapi::cio
-{
-
-  //! @addtogroup kapi-cio
-  //! @{
-  //! @}
-
-  //! @addtogroup kapi-cio-kernel-defined
-  //! @{
-
-  //! Set the currently active output device.
-  //!
-  //! @param device A new output device.
-  //! @return The previously active output device.
-  auto set_output_device(output_device & device) -> std::optional<output_device *>;
-
-  //! Write a string to the given output stream.
-  //!
-  //! @param stream The output stream to write to.
-  //! @param text The text to write to the stream.
-  auto write(output_stream stream, std::string_view text) -> void;
-
-  //! @}
-
-  //! @addtogroup kapi-cio-platform-defined
-  //! @{
-
-  //! Initialize the character I/O subsystem.
-  //!
-  //! If a platform support character output, it shall ensure that when this function returns, basic character
-  //! output can be performed on the system.
-  auto init() -> void;
-
-  //! @}
-
-}  // namespace kapi::cio
-
-#endif
diff --git a/kapi/include/kapi/cio/output_device.hpp b/kapi/include/kapi/cio/output_device.hpp
deleted file mode 100644
index 9fe2557..0000000
--- a/kapi/include/kapi/cio/output_device.hpp
+++ /dev/null
@@ -1,39 +0,0 @@
-#ifndef TEACHOS_KAPI_CIO_OUTPUT_DEVICE_HPP
-#define TEACHOS_KAPI_CIO_OUTPUT_DEVICE_HPP
-
-// IWYU pragma: private, include <kapi/cio.hpp>
-
-#include <string_view>
-
-namespace kapi::cio
-{
-
-  enum struct output_stream
-  {
-    stdout,
-    stderr,
-  };
-
-  //! The interface of a device able to perform character output on a platform.
-  struct output_device
-  {
-    output_device(output_device const &) = delete;
-    output_device(output_device &&) = delete;
-    auto operator=(output_device const &) -> output_device & = delete;
-    auto operator=(output_device &&) -> output_device & = delete;
-
-    virtual ~output_device() = default;
-
-    //! Write the given text to the output device.
-    //!
-    //! @param stream The stream to write to.
-    //! @param text The text to write.
-    auto virtual write(output_stream stream, std::string_view text) -> void = 0;
-
-  protected:
-    output_device() = default;
-  };
-
-}  // namespace kapi::cio
-
-#endif
diff --git a/kapi/include/kapi/cpu.hpp b/kapi/include/kapi/cpu.hpp
deleted file mode 100644
index deaf5cd..0000000
--- a/kapi/include/kapi/cpu.hpp
+++ /dev/null
@@ -1,135 +0,0 @@
-#ifndef TEACHOS_KAPI_CPU_HPP
-#define TEACHOS_KAPI_CPU_HPP
-
-#include <kapi/memory.hpp>
-
-#include <kstd/format>
-#include <kstd/memory>
-
-#include <cstdint>
-
-namespace kapi::cpu
-{
-
-  //! @addtogroup kapi-cpu
-  //! @{
-
-  //! An exception originating from the CPU directly.
-  //!
-  //! Exception generally model interrupts that are synchronous to the instruction stream. This means that they do not
-  //! originate from external hardware, but rather are a product of program execution.
-  struct exception
-  {
-    //! The type of the exception, which identifies the reason for it being raised.
-    enum class type : std::uint8_t
-    {
-      //! The reason for the exception is unknown or platform-specific
-      unknown,
-      //! A page fault occurred
-      page_fault,
-      //! A memory access (either in the data or instruction stream) violated it's alignment constraints.
-      alignment_fault,
-      //! A memory access (either in the data or instruction stream) violated it's permissions.
-      memory_access_fault,
-      //! An invalid instruction was present in the instruction stream.
-      illegal_instruction,
-      //! The preconditions for the execution of an instruction were not met.
-      privilege_violation,
-      //! An arithmetic error occurred.
-      arithmetic_error,
-      //! A breakpoint was hit in the instruction stream.
-      breakpoint,
-      //! The CPU is single-stepping through the instruction stream.
-      single_step,
-    };
-
-    //! The type of this exception.
-    type type{};
-
-    //! The value of the instruction pointer at the time this exception was raised.
-    kapi::memory::linear_address instruction_pointer{};
-
-    //! The memory address that caused this exception.
-    kapi::memory::linear_address access_address{};
-
-    //! Whether the page was present at the time of the exception.
-    bool is_present{};
-
-    //! Whether the exception was caused by a write access.
-    bool is_write_access{};
-
-    //! Whether the exception was caused by a user mode access.
-    bool is_user_mode{};
-  };
-
-  //! @}
-
-  //! @addtogroup kapi-cpu-kernel-defined
-  //! @{
-
-  //! Dispatch an exception to the appropriate handler.
-  //!
-  //! @param context The exception context.
-  //! @return Whether the exception was handled.
-  [[nodiscard]] auto dispatch(exception const & context) -> bool;
-
-  //! @}
-
-  //! @addtogroup kapi-cpu-platform-defined
-  //! @{
-
-  //! Halt the CPU.
-  //!
-  //! This function terminates execution of the kernel.
-  [[noreturn]] auto halt() -> void;
-
-  //! Perform early CPU initialization.
-  //!
-  //! When this function returns, the CPU is in a state where interrupt could be enabled. This function must not enable
-  //! interrupts itself.
-  auto init() -> void;
-
-  //! Discover the CPU topology of the platform and attach it to the given CPU bus.
-  //!
-  //! @return true iff. the CPU topology was discovered successfully, false otherwise.
-  auto discover_topology() -> bool;
-
-  //! @}
-
-}  // namespace kapi::cpu
-
-template<>
-struct kstd::formatter<enum kapi::cpu::exception::type>
-{
-  constexpr auto parse(kstd::format_parse_context & ctx) -> decltype(ctx.begin())
-  {
-    return ctx.begin();
-  }
-
-  constexpr auto format(enum kapi::cpu::exception::type type, kstd::format_context & ctx) const -> void
-  {
-    switch (type)
-    {
-      case kapi::cpu::exception::type::unknown:
-        return ctx.push("unknown");
-      case kapi::cpu::exception::type::page_fault:
-        return ctx.push("page fault");
-      case kapi::cpu::exception::type::alignment_fault:
-        return ctx.push("alignment fault");
-      case kapi::cpu::exception::type::memory_access_fault:
-        return ctx.push("memory access fault");
-      case kapi::cpu::exception::type::illegal_instruction:
-        return ctx.push("illegal instruction");
-      case kapi::cpu::exception::type::privilege_violation:
-        return ctx.push("privilege violation");
-      case kapi::cpu::exception::type::arithmetic_error:
-        return ctx.push("arithmetic error");
-      case kapi::cpu::exception::type::breakpoint:
-        return ctx.push("breakpoint");
-      case kapi::cpu::exception::type::single_step:
-        return ctx.push("single step");
-    }
-  }
-};
-
-#endif
diff --git a/kapi/include/kapi/devices.hpp b/kapi/include/kapi/devices.hpp
deleted file mode 100644
index b597aa8..0000000
--- a/kapi/include/kapi/devices.hpp
+++ /dev/null
@@ -1,37 +0,0 @@
-#ifndef TEACHOS_KAPI_DEVICES_HPP
-#define TEACHOS_KAPI_DEVICES_HPP
-
-#include <kapi/devices/bus.hpp>      // IWYU pragma: export
-#include <kapi/devices/cpu.hpp>      // IWYU pragma: export
-#include <kapi/devices/device.hpp>   // IWYU pragma: export
-#include <kapi/devices/manager.hpp>  // IWYU pragma: export
-
-namespace kapi::devices
-{
-
-  //! @addtogroup kapi-devices-kernel-defined
-  //! @{
-
-  //! Initialize the kernel's device management subsystem.
-  auto init() -> void;
-
-  //! Get the virtual system root bus.
-  //!
-  //! @warning This function will panic if the root bus has not been initialized.
-  //!
-  //! @return a reference to the root bus.
-  auto get_root_bus() -> bus &;
-
-  //! @}
-
-  //! @addtogroup kapi-devices-platform-defined
-  //! @{
-
-  //! Initialize the platform's device tree.
-  auto init_platform_devices() -> void;
-
-  //! @}
-
-}  // namespace kapi::devices
-
-#endif
\ No newline at end of file
diff --git a/kapi/include/kapi/devices/bus.hpp b/kapi/include/kapi/devices/bus.hpp
deleted file mode 100644
index 59f49f7..0000000
--- a/kapi/include/kapi/devices/bus.hpp
+++ /dev/null
@@ -1,63 +0,0 @@
-#ifndef TEACHOS_KAPI_DEVICES_BUS_HPP
-#define TEACHOS_KAPI_DEVICES_BUS_HPP
-
-// IWYU pragma: private, include <kapi/devices.hpp>
-
-#include <kapi/devices/device.hpp>
-
-#include <kstd/memory>
-#include <kstd/print>
-#include <kstd/string>
-#include <kstd/vector>
-
-#include <atomic>
-#include <cstddef>
-
-namespace kapi::devices
-{
-
-  //! @addtogroup kapi-devices-kernel-defined
-  //! @{
-
-  //! A bus device that represents a logical/physical tree of devices and busses.
-  struct bus : device
-  {
-    //! Construct a bus with the given major number, minor number, and name.
-    //!
-    //! @param major The major number of the bus.
-    //! @param minor The minor number of the bus.
-    //! @param name The name of the bus.
-    bus(std::size_t major, std::size_t minor, kstd::string const & name);
-
-    //! Initialize the bus and all of its children.
-    //!
-    //! @return true iff. the bus and all of its children are healthy, false otherwise.
-    auto init() -> bool final;
-
-    //! Attach a child device to this bus.
-    //!
-    //! Whenever a device is attached to a bus, the bus takes sole ownership of the device.
-    //!
-    //! @param child The child device to attach.
-    auto add_child(kstd::unique_ptr<device> child) -> void;
-
-    [[nodiscard]] auto children() const -> kstd::vector<kstd::observer_ptr<device>> const &;
-
-  protected:
-    //! Probe the bus hardware state.
-    //!
-    //! @return true iff. the bus hardware is healthy, false otherwise.
-    auto virtual probe() -> bool;
-
-  private:
-    kstd::vector<kstd::unique_ptr<device>> m_devices;
-    kstd::vector<kstd::observer_ptr<device>> m_observers;
-    std::atomic_flag m_init_was_called{};
-    std::atomic_flag m_initialized{};
-  };
-
-  //! @}
-
-}  // namespace kapi::devices
-
-#endif
\ No newline at end of file
diff --git a/kapi/include/kapi/devices/cpu.hpp b/kapi/include/kapi/devices/cpu.hpp
deleted file mode 100644
index f8ff60c..0000000
--- a/kapi/include/kapi/devices/cpu.hpp
+++ /dev/null
@@ -1,37 +0,0 @@
-#ifndef TEACHOS_KAPI_DEVICES_CPU_HPP
-#define TEACHOS_KAPI_DEVICES_CPU_HPP
-
-#include <kapi/devices/bus.hpp>
-
-#include <cstddef>
-#include <cstdint>
-
-namespace kapi::devices
-{
-
-  //! A virtual CPU bus to host all CPUs in the system.
-  struct cpu final : kapi::devices::bus
-  {
-    //! A virtual CPU Core to host all core local devices.
-    struct core final : kapi::devices::bus
-    {
-      explicit core(std::size_t major_number, std::size_t minor_number, std::uint64_t hardware_id, bool is_bsp);
-
-      [[nodiscard]] auto hardware_id() const -> std::uint64_t;
-      [[nodiscard]] auto is_bsp() const -> bool;
-
-    private:
-      std::uint64_t m_hardware_id;
-      bool m_is_bsp;
-    };
-
-    //! Create a new CPU with the given major and minor numbers.
-    //!
-    //! @param major The major number of this CPU
-    //! @param minor The minor number of this CPU, identifying the physical CPU
-    cpu(std::size_t major, std::size_t minor);
-  };
-
-}  // namespace kapi::devices
-
-#endif
\ No newline at end of file
diff --git a/kapi/include/kapi/devices/device.hpp b/kapi/include/kapi/devices/device.hpp
deleted file mode 100644
index 70cf01f..0000000
--- a/kapi/include/kapi/devices/device.hpp
+++ /dev/null
@@ -1,80 +0,0 @@
-#ifndef TEACH_OS_KAPI_DEVICES_DEVICE_HPP
-#define TEACH_OS_KAPI_DEVICES_DEVICE_HPP
-
-// IWYU pragma: private, include <kapi/devices.hpp>
-
-#include <kstd/memory>
-#include <kstd/string>
-
-#include <cstddef>
-
-namespace kapi::devices
-{
-
-  //! @addtogroup kapi-devices-kernel-defined
-  //! @{
-
-  /**
-   * @brief Base device identified by a major, minor number and name.
-   */
-  struct device
-  {
-    /**
-     * @brief Create a device identifier from @p major, @p minor and @p name.
-     * @param major Device major number.
-     * @param minor Device minor number.
-     * @param name Device name.
-     */
-    device(size_t major, size_t minor, kstd::string const & name);
-
-    /**
-     * @brief Virtual destructor for device.
-     */
-    virtual ~device() = default;
-
-    /**
-     * @brief Initialize the device.
-     * @return true on success, false otherwise.
-     */
-    virtual auto init() -> bool = 0;
-
-    /**
-     * @brief Returns the major number of the device.
-     * @return Device major number.
-     */
-    [[nodiscard]] auto major() const -> size_t;
-
-    /**
-     * @brief Returns the minor number of the device.
-     * @return Device minor number.
-     */
-    [[nodiscard]] auto minor() const -> size_t;
-
-    /**
-     * @brief Returns the name of the device.
-     * @return Device name.
-     */
-    [[nodiscard]] auto name() const -> kstd::string const &;
-
-    /**
-     * @brief Check if the device is a block device.
-     * @return true if this device is a block device, false otherwise.
-     */
-    [[nodiscard]] virtual auto is_block_device() const -> bool;
-
-  private:
-    friend struct bus;
-
-    auto set_parent(kstd::observer_ptr<struct bus> parent) -> void;
-
-    size_t m_major;
-    size_t m_minor;
-    kstd::string m_name;
-    kstd::observer_ptr<bus> m_parent;
-  };
-
-  //! @}
-
-}  // namespace kapi::devices
-
-#endif
\ No newline at end of file
diff --git a/kapi/include/kapi/devices/manager.hpp b/kapi/include/kapi/devices/manager.hpp
deleted file mode 100644
index c9b90b4..0000000
--- a/kapi/include/kapi/devices/manager.hpp
+++ /dev/null
@@ -1,53 +0,0 @@
-#ifndef TEACHOS_KAPI_DEVICES_MANAGER_HPP
-#define TEACHOS_KAPI_DEVICES_MANAGER_HPP
-
-// IWYU pragma: private, include <kapi/devices.hpp>
-
-#include <kapi/devices/device.hpp>
-
-#include <kstd/memory>
-
-#include <cstddef>
-#include <string_view>
-
-namespace kapi::devices
-{
-
-  //! @addtogroup kapi-devices-kernel-defined
-  //! @{
-
-  //! Ask the kernel to allocate a new major number.
-  //!
-  //! @return a new, unused major number.
-  auto allocate_major_number() -> std::size_t;
-
-  //! Register a new device with the kernel's device manager.
-  //!
-  //! @param device The device to register.
-  //! @return true if the device was registered successfully, false otherwise.
-  auto register_device(device & device) -> bool;
-
-  //! Unregister a device from the kernel's device manager.
-  //!
-  //! @param device The device to unregister.
-  //! @return true if the device was unregistered successfully, false otherwise.
-  auto unregister_device(device & device) -> bool;
-
-  //! Find a device by its major and minor numbers.
-  //!
-  //! @param major the major number of the device.
-  //! @param minor the minor number of the device.
-  //! @return a pointer to the device iff. the device was found, nullptr otherwise.
-  auto find_device(std::size_t major, std::size_t minor) -> kstd::observer_ptr<device>;
-
-  //! Find a device by its name.
-  //!
-  //! @param name the name of the device.
-  //! @return a pointer to the device iff. the device was found, nullptr otherwise.
-  auto find_device(std::string_view name) -> kstd::observer_ptr<device>;
-
-  //! @}
-
-}  // namespace kapi::devices
-
-#endif
\ No newline at end of file
diff --git a/kapi/include/kapi/filesystem.hpp b/kapi/include/kapi/filesystem.hpp
deleted file mode 100644
index 94d42ce..0000000
--- a/kapi/include/kapi/filesystem.hpp
+++ /dev/null
@@ -1,73 +0,0 @@
-#ifndef TEACHOS_KAPI_FILESYSTEM_HPP
-#define TEACHOS_KAPI_FILESYSTEM_HPP
-
-#include <cstddef>
-#include <string_view>
-
-#include <sys/types.h>
-
-namespace kapi::filesystem
-{
-  /**
-  @brief The kapi::filesystem namespace provides the interface for filesystem operations in the kernel. It includes
-  functions for mounting and unmounting filesystems, as well as basic file operations such as opening, closing, reading
-  from, and writing to files. The actual implementation of these functions is in the kernel's  filesystem subsystem,
-  which will handle the specifics of different filesystem types and their interactions with the underlying storage
-  devices.
-  */
-
-  /**
-  @brief Mounts a filesystem from the specified @p source at the specified @p target path.
-  @param source The source device or filesystem to mount.
-  @param target The target mount point.
-  @return 0 on success, -1 on failure.
-  @qualifier kernel-defined
-  */
-  auto mount(std::string_view source, std::string_view target) -> int;
-
-  /**
-  @brief Unmounts a filesystem from the specified @p target path.
-  @param target The target mount point to unmount.
-  @return 0 on success, -1 on failure.
-  @qualifier kernel-defined
-  */
-  auto umount(std::string_view target) -> int;
-
-  /**
-  @brief Opens a file at the specified @p path.
-  @param path The path to the file to open.
-  @return A file descriptor on success, -1 on failure.
-  @qualifier kernel-defined
-  */
-  auto open(std::string_view path) -> int;
-
-  /**
-  @brief Closes a @p file_descriptor.
-  @param file_descriptor The file descriptor to close.
-  @return 0 on success, -1 on failure.
-  @qualifier kernel-defined
-  */
-  auto close(int file_descriptor) -> int;
-
-  /**
-  @brief Reads @p size bytes into @p buffer from a @p file_descriptor.
-  @param file_descriptor The file descriptor to read from.
-  @param buffer The buffer to store the read data.
-  @param size The number of bytes to read.
-  @return The number of bytes read on success, -1 on failure.
-  @qualifier kernel-defined
-  */
-  auto read(int file_descriptor, void * buffer, size_t size) -> ssize_t;
-
-  /**
-  @brief Writes @p size bytes from @p buffer to a @p file_descriptor.
-  @param file_descriptor The file descriptor to write to.
-  @param buffer The buffer containing the data to write.
-  @param size The number of bytes to write.
-  @return The number of bytes written on success, -1 on failure.
-  @qualifier kernel-defined
-  */
-  auto write(int file_descriptor, void const * buffer, size_t size) -> ssize_t;
-}  // namespace kapi::filesystem
-
-#endif  // TEACHOS_KAPI_FILESYSTEM_HPP
\ No newline at end of file
diff --git a/kapi/include/kapi/interrupts.hpp b/kapi/include/kapi/interrupts.hpp
deleted file mode 100644
index 4ba0684..0000000
--- a/kapi/include/kapi/interrupts.hpp
+++ /dev/null
@@ -1,74 +0,0 @@
-#ifndef TEACHOS_KAPI_INTERRUPTS_HPP
-#define TEACHOS_KAPI_INTERRUPTS_HPP
-
-#include <cstdint>
-
-namespace kapi::interrupts
-{
-
-  //! @addtogroup kapi-interrupts
-  //! @{
-
-  //! A status that indicates whether an interrupt was handled by a handler.
-  enum class status : bool
-  {
-    //! The interrupt was not handled by any handler.
-    unhandled,
-    //! The interrupt was handled by at least one handler.
-    handled,
-  };
-
-  //! The interface for all interrupt handlers.
-  struct handler
-  {
-    virtual ~handler() = default;
-
-    //! Handle an interrupt with the given IRQ number.
-    //
-    //! This function will be called by the kernel in an interrupt context. As such, the function should complete its
-    //! task quickly and must take care when acquiring globally shared locks.
-    //!
-    //! @param irq_number The identifier of the interrupt request that triggered the handler.
-    //! @return status::handled if the handler successfully handled the interrupt, status::unhandled otherwise.
-    virtual