From 84aac7e26dae2b4364d2f1145d4b2b40f1e37585 Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@ost.ch>
Date: Sun, 23 Aug 2026 18:10:10 +0200
Subject: kernel/fs: rework filesystem probing

---
 arch/x86_64/scripts/kernel.ld                      |   6 +-
 kernel/CMakeLists.txt                              |   3 +-
 kernel/kernel/filesystem/devfs/filesystem.cpp      |  26 ++---
 kernel/kernel/filesystem/devfs/filesystem.hpp      |   6 +-
 kernel/kernel/filesystem/driver_registry.cpp       | 125 +++++++++++++++++++++
 kernel/kernel/filesystem/driver_registry.hpp       |  73 ++++++++++++
 kernel/kernel/filesystem/ext2/filesystem.cpp       |  84 +++++++-------
 kernel/kernel/filesystem/ext2/filesystem.hpp       |   2 +
 kernel/kernel/filesystem/filesystem.cpp            |  32 ------
 kernel/kernel/filesystem/filesystem.hpp            |   9 +-
 kernel/kernel/filesystem/rootfs/filesystem.cpp     |  29 ++---
 kernel/kernel/filesystem/rootfs/filesystem.hpp     |   3 +
 kernel/kernel/filesystem/type.hpp                  |  48 --------
 kernel/kernel/filesystem/type_registry.cpp         |  94 ----------------
 kernel/kernel/filesystem/type_registry.hpp         |  59 ----------
 kernel/kernel/filesystem/type_registry.tests.cpp   |  81 -------------
 kernel/kernel/filesystem/vfs.cpp                   |  63 ++++++-----
 kernel/kernel/main.cpp                             |   4 +-
 .../test_support/filesystem/driver_registry.hpp    |  10 ++
 .../kernel/test_support/filesystem/filesystem.cpp  |   6 +
 .../kernel/test_support/filesystem/filesystem.hpp  |   3 +
 .../filesystem/storage_boot_module_fixture.cpp     |   2 -
 .../test_support/filesystem/type_registry.hpp      |  10 --
 .../kernel/test_support/state_reset_listener.cpp   |   9 +-
 24 files changed, 348 insertions(+), 439 deletions(-)
 create mode 100644 kernel/kernel/filesystem/driver_registry.cpp
 create mode 100644 kernel/kernel/filesystem/driver_registry.hpp
 delete mode 100644 kernel/kernel/filesystem/filesystem.cpp
 delete mode 100644 kernel/kernel/filesystem/type.hpp
 delete mode 100644 kernel/kernel/filesystem/type_registry.cpp
 delete mode 100644 kernel/kernel/filesystem/type_registry.hpp
 delete mode 100644 kernel/kernel/filesystem/type_registry.tests.cpp
 create mode 100644 kernel/kernel/test_support/filesystem/driver_registry.hpp
 delete mode 100644 kernel/kernel/test_support/filesystem/type_registry.hpp

diff --git a/arch/x86_64/scripts/kernel.ld b/arch/x86_64/scripts/kernel.ld
index f621c3f1..e6ae3425 100644
--- a/arch/x86_64/scripts/kernel.ld
+++ b/arch/x86_64/scripts/kernel.ld
@@ -76,9 +76,9 @@ SECTIONS
     . = ALIGN(8);
 
     /* Filesystem driver factories */
-    PROVIDE(__start_fs_types = .);
-    KEEP(*(fs_types));
-    PROVIDE(__stop_fs_types = .);
+    PROVIDE(__start_filesystem_drivers = .);
+    KEEP(*(filesystem_drivers));
+    PROVIDE(__stop_filesystem_drivers = .);
 
     /* Kernel driver factories */
     PROVIDE(__start_kernel_drivers = .);
diff --git a/kernel/CMakeLists.txt b/kernel/CMakeLists.txt
index c7cf9498..2cca2dda 100644
--- a/kernel/CMakeLists.txt
+++ b/kernel/CMakeLists.txt
@@ -60,14 +60,13 @@ target_sources("kernel_lib" PRIVATE
     "kernel/filesystem/dentry.cpp"
     "kernel/filesystem/device_inode.cpp"
     "kernel/filesystem/device_number_registry.cpp"
+    "kernel/filesystem/driver_registry.cpp"
     "kernel/filesystem/error.cpp"
-    "kernel/filesystem/filesystem.cpp"
     "kernel/filesystem/inode.cpp"
     "kernel/filesystem/mount_table.cpp"
     "kernel/filesystem/mount.cpp"
     "kernel/filesystem/open_file_descriptor.cpp"
     "kernel/filesystem/open_file_table.cpp"
-    "kernel/filesystem/type_registry.cpp"
     "kernel/filesystem/vfs.cpp"
 
     # DevFS Filesystem
diff --git a/kernel/kernel/filesystem/devfs/filesystem.cpp b/kernel/kernel/filesystem/devfs/filesystem.cpp
index 0e3f3164..a7c8e50c 100644
--- a/kernel/kernel/filesystem/devfs/filesystem.cpp
+++ b/kernel/kernel/filesystem/devfs/filesystem.cpp
@@ -3,10 +3,10 @@
 #include <kernel/filesystem/devfs/inode.hpp>
 #include <kernel/filesystem/device_inode.hpp>
 #include <kernel/filesystem/device_number_registry.hpp>
+#include <kernel/filesystem/driver_registry.hpp>
 #include <kernel/filesystem/error.hpp>
 #include <kernel/filesystem/filesystem.hpp>
 #include <kernel/filesystem/inode.hpp>
-#include <kernel/filesystem/type.hpp>
 
 #include <kapi/filesystem.hpp>
 
@@ -21,23 +21,13 @@
 
 namespace kernel::filesystem::devfs
 {
-  struct type final : kernel::filesystem::type
+  struct descriptor final : kernel::filesystem::driver_descriptor
   {
     [[nodiscard]] auto name() const noexcept -> std::string_view override
     {
       return "devfs";
     }
 
-    [[nodiscard]] auto probe(filesystem::inode_ptr const & backing_inode) const noexcept
-        -> kstd::result<std::uint32_t> override
-    {
-      if (backing_inode)
-      {
-        return kstd::failure(vfs_errc::invalid_argument);
-      }
-      return 0;
-    }
-
     [[nodiscard]] auto make_instance() const -> filesystem::filesystem_ptr override
     {
       return kstd::make_shared<filesystem>();
@@ -45,10 +35,20 @@ namespace kernel::filesystem::devfs
   };
 
   [[gnu::used]]
-  constexpr auto registration = type_registration<type>{};
+  constexpr auto registration = driver_module<descriptor>{};
 
   static_assert(sizeof(kernel::filesystem::filesystem) == sizeof(devfs::filesystem));
 
+  auto filesystem::probe(inode_ptr const & inode) const -> kstd::result<std::uint32_t>
+  {
+    if (inode)
+    {
+      return kstd::failure(vfs_errc::invalid_argument);
+    }
+
+    return 0;
+  }
+
   auto filesystem::mount(inode_ptr const &) -> kstd::result<mount_result>
   {
     auto root = kstd::make_shared<inode>();
diff --git a/kernel/kernel/filesystem/devfs/filesystem.hpp b/kernel/kernel/filesystem/devfs/filesystem.hpp
index 56744477..aa33c58b 100644
--- a/kernel/kernel/filesystem/devfs/filesystem.hpp
+++ b/kernel/kernel/filesystem/devfs/filesystem.hpp
@@ -3,6 +3,7 @@
 
 #include <kernel/filesystem/device_inode.hpp>
 #include <kernel/filesystem/device_number_registry.hpp>
+#include <kernel/filesystem/error.hpp>
 #include <kernel/filesystem/filesystem.hpp>
 #include <kernel/filesystem/inode.hpp>
 
@@ -13,6 +14,7 @@
 #include <kstd/string.hpp>
 #include <kstd/system_error.hpp>
 
+#include <cstdint>
 #include <optional>
 #include <string_view>
 
@@ -25,8 +27,10 @@ namespace kernel::filesystem::devfs
   //! applications to interact with devices using standard file operations. The devfs filesystem dynamically creates
   //! inodes for devices registered in the system, enabling seamless access to device functionality through the
   //! filesystem interface.
-  struct filesystem : kernel::filesystem::filesystem
+  struct filesystem final : kernel::filesystem::filesystem
   {
+    [[nodiscard]] auto probe(inode_ptr const & inode) const -> kstd::result<std::uint32_t> override;
+
     auto mount(inode_ptr const & backing_inode) -> kstd::result<mount_result> override;
 
     [[nodiscard]] auto lookup(inode_ptr const & parent, std::string_view name, driver_data_ptr driver_data) const
diff --git a/kernel/kernel/filesystem/driver_registry.cpp b/kernel/kernel/filesystem/driver_registry.cpp
new file mode 100644
index 00000000..22bc306d
--- /dev/null
+++ b/kernel/kernel/filesystem/driver_registry.cpp
@@ -0,0 +1,125 @@
+#include <kernel/filesystem/driver_registry.hpp>
+
+#include <kernel/filesystem/error.hpp>
+#include <kernel/filesystem/filesystem.hpp>
+#include <kernel/filesystem/inode.hpp>
+
+#include <kapi/system.hpp>
+
+#include <kstd/memory.hpp>
+#include <kstd/print.hpp>
+#include <kstd/result.hpp>
+#include <kstd/vector.hpp>
+
+#include <algorithm>
+#include <cstdint>
+#include <functional>
+#include <optional>
+#include <ranges>
+#include <span>
+#include <string_view>
+#include <utility>
+
+namespace kernel::filesystem
+{
+
+  extern "C"
+  {
+    // We need to suppress clang-tidy linting warnings here, since these symbols are generated by the linker and we
+    // cannot choose their names, unless we wanted to extend the linker script needlessly.
+    // NOLINTBEGIN(readability-identifier-naming)
+    extern kstd::observer_ptr<driver_descriptor const> const __start_filesystem_drivers;
+    extern kstd::observer_ptr<driver_descriptor const> const __stop_filesystem_drivers;
+    // NOLINTEND(readability-identifier-naming)
+  }
+
+  namespace
+  {
+    auto constinit instance = std::optional<driver_registry>{};
+  }
+
+  auto driver_registry::init() -> void
+  {
+    if (instance)
+    {
+      kapi::system::panic("[OS:FS] The filesystem driver registry was already initialized!");
+    }
+
+    instance.emplace();
+
+    auto instances =
+        std::span{&__start_filesystem_drivers, &__stop_filesystem_drivers} |
+        std::views::filter([](auto descriptor) { return descriptor != nullptr; }) |
+        std::views::transform([](auto descriptor) { return std::pair{descriptor, descriptor->make_instance()}; }) |
+        std::views::filter([](auto entry) { return entry.second != nullptr; });
+
+    std::ranges::for_each(instances, [](auto entry) {
+      auto [descriptor, driver] = entry;
+      kstd::println("[OS:FS] Registering filesystem driver '{}'", descriptor->name());
+      instance->add(descriptor->name(), driver);
+    });
+  }
+
+  auto driver_registry::get() -> driver_registry &
+  {
+    if (!instance)
+    {
+      kapi::system::panic("[OS:FS] The filesystem driver registry has not been initialized!");
+    }
+
+    return *instance;
+  }
+
+  auto driver_registry::find(std::string_view name) const -> std::optional<kstd::shared_ptr<filesystem>>
+  {
+    if (auto it = m_drivers.find(name); it != m_drivers.end())
+    {
+      return it->second;
+    }
+    return std::nullopt;
+  }
+
+  auto driver_registry::add(std::string_view name, kstd::shared_ptr<filesystem> descriptor) -> bool
+  {
+    auto result = m_drivers.emplace(name, descriptor);
+    return result.second;
+  }
+
+  auto driver_registry::match(kstd::shared_ptr<inode> const & inode) const -> kstd::result<kstd::shared_ptr<filesystem>>
+  {
+    struct candidate
+    {
+      std::uint32_t priority;
+      kstd::shared_ptr<filesystem> driver;
+    };
+
+    auto candidates = kstd::vector<candidate>{};
+
+    for (auto const & entry : m_drivers)
+    {
+      auto const & [name, driver] = entry;
+      auto priority = driver->probe(inode);
+      if (priority)
+      {
+        candidates.push_back({*priority, driver});
+      }
+    }
+
+    std::ranges::stable_sort(candidates, std::ranges::greater{}, &candidate::priority);
+
+    if (candidates.empty())
+    {
+      return kstd::failure(vfs_errc::unsupported_filesystem);
+    }
+
+    return candidates.front().driver;
+  }
+}  // namespace kernel::filesystem
+
+namespace kernel::tests::filesystem::driver_registry
+{
+  auto deinit() -> void
+  {
+    kernel::filesystem::instance.reset();
+  }
+}  // namespace kernel::tests::filesystem::driver_registry
\ No newline at end of file
diff --git a/kernel/kernel/filesystem/driver_registry.hpp b/kernel/kernel/filesystem/driver_registry.hpp
new file mode 100644
index 00000000..1a6cd47e
--- /dev/null
+++ b/kernel/kernel/filesystem/driver_registry.hpp
@@ -0,0 +1,73 @@
+#ifndef TEACHOS_KERNEL_DRIVER_REGISTRY_HPP
+#define TEACHOS_KERNEL_DRIVER_REGISTRY_HPP
+
+#include <kernel/filesystem/filesystem.hpp>
+#include <kernel/filesystem/inode.hpp>
+
+#include <kstd/flat_map.hpp>
+#include <kstd/memory.hpp>
+#include <kstd/result.hpp>
+#include <kstd/string.hpp>
+#include <kstd/vector.hpp>
+
+#include <concepts>
+#include <optional>
+#include <string_view>
+
+namespace kernel::filesystem
+{
+
+  struct driver_descriptor
+  {
+    virtual ~driver_descriptor() = default;
+
+    //! Get the name of the driver.
+    [[nodiscard]] virtual auto name() const noexcept -> std::string_view = 0;
+
+    //! Create a new instance of the driver represented by this descriptor.
+    [[nodiscard]] virtual auto make_instance() const -> kstd::shared_ptr<filesystem> = 0;
+  };
+
+  template<std::derived_from<driver_descriptor> Type>
+  struct driver_module
+  {
+    constexpr auto static instance = Type{};
+    [[using gnu: section("filesystem_drivers"), used, visibility("hidden")]] constexpr auto static pointer{
+      kstd::make_observer<driver_descriptor const>(&instance),
+    };
+  };
+
+  struct driver_registry
+  {
+    constexpr driver_registry() noexcept = default;
+
+    auto static init() -> void;
+
+    auto static get() -> driver_registry &;
+
+    //! Register a new filesystem.
+    //!
+    //! @param name The name of the filesystem.
+    //! @param driver The filesystem driver to register.
+    //! @return @c true iff. the driver was successfully added, @c false if not.
+    auto add(std::string_view name, kstd::shared_ptr<filesystem> driver) -> bool;
+
+    //! Find a registered filesystem driver
+    //!
+    //! @param name The name of the filesystem
+    [[nodiscard]] auto find(std::string_view name) const -> std::optional<kstd::shared_ptr<filesystem>>;
+
+    //! Match all currently registered filesystem drivers against a given inode.
+    //!
+    //! @param inode The inode to match on, if any.
+    //! @return a match priority if th
+    [[nodiscard]] auto match(kstd::shared_ptr<inode> const & inode) const -> kstd::result<kstd::shared_ptr<filesystem>>;
+
+  private:
+    //! A map from filesystem names to filesystem drivers.
+    kstd::flat_map<std::string_view, kstd::shared_ptr<filesystem>> m_drivers{};
+  };
+
+}  // namespace kernel::filesystem
+
+#endif
diff --git a/kernel/kernel/filesystem/ext2/filesystem.cpp b/kernel/kernel/filesystem/ext2/filesystem.cpp
index ef81f6ac..579094e0 100644
--- a/kernel/kernel/filesystem/ext2/filesystem.cpp
+++ b/kernel/kernel/filesystem/ext2/filesystem.cpp
@@ -1,5 +1,6 @@
 #include <kernel/filesystem/ext2/filesystem.hpp>
 
+#include <kernel/filesystem/driver_registry.hpp>
 #include <kernel/filesystem/error.hpp>
 #include <kernel/filesystem/ext2/block_group_descriptor.hpp>
 #include <kernel/filesystem/ext2/error.hpp>
@@ -9,7 +10,6 @@
 #include <kernel/filesystem/ext2/superblock.hpp>
 #include <kernel/filesystem/filesystem.hpp>
 #include <kernel/filesystem/inode.hpp>
-#include <kernel/filesystem/type.hpp>
 
 #include <kapi/filesystem.hpp>
 #include <kapi/system.hpp>
@@ -34,6 +34,25 @@ using namespace kstd::units_literals;
 
 namespace kernel::filesystem::ext2
 {
+
+  struct descriptor final : kernel::filesystem::driver_descriptor
+  {
+    [[nodiscard]] auto name() const noexcept -> std::string_view override
+    {
+      return "ext2";
+    }
+
+    [[nodiscard]] auto make_instance() const -> filesystem::filesystem_ptr override
+    {
+      return kstd::make_shared<filesystem>();
+    }
+  };
+
+  [[gnu::used]]
+  constexpr auto registration = driver_module<descriptor>{};
+
+  static_assert(sizeof(kernel::filesystem::filesystem) == sizeof(kernel::filesystem::ext2::filesystem));
+
   namespace
   {
     [[nodiscard]] auto bitmap_is_set(kstd::vector<uint8_t> const & bitmap, size_t index) -> bool
@@ -55,57 +74,38 @@ namespace kernel::filesystem::ext2
                                             read_only_compatible_features::large_file_support;
   }  // namespace
 
-  struct type final : kernel::filesystem::type
+  auto filesystem::indirect_levels(mount_state const & state) const -> std::array<indirect_level, 3>
   {
-    [[nodiscard]] auto name() const noexcept -> std::string_view override
+    return {
+      {{constants::singly_indirect_block_index, block_numbers_per_singly_indirect_block(state)},
+       {constants::doubly_indirect_block_index, block_numbers_per_doubly_indirect_block(state)},
+       {constants::triply_indirect_block_index, block_numbers_per_triply_indirect_block(state)}}
+    };
+  }
+
+  auto filesystem::probe(inode_ptr const & backing_inode) const -> kstd::result<std::uint32_t>
+  {
+    auto superblock = ext2::superblock{};
+    auto bytes = std::as_writable_bytes(std::span{&superblock, 1});
+    auto read_result = backing_inode->read(bytes, constants::superblock_offset);
+
+    if (!read_result)
     {
-      return "ext2";
+      return kstd::failure(read_result.error());
     }
 
-    [[nodiscard]] auto probe(filesystem::inode_ptr const & backing_inode) const noexcept
-        -> kstd::result<std::uint32_t> override
+    if (superblock.magic != constants::magic_number)
     {
-      auto superblock = ext2::superblock{};
-      auto bytes = std::as_writable_bytes(std::span{&superblock, 1});
-      auto read_result = backing_inode->read(bytes, constants::superblock_offset);
-
-      if (!read_result)
-      {
-        return kstd::failure(read_result.error());
-      }
-
-      if (superblock.magic != constants::magic_number)
-      {
-        return kstd::failure(ext2_errc::invalid_magic_number);
-      }
-
-      if (superblock.feature_incompat & std::to_underlying(~supported_incompatible_features) ||
-          superblock.feature_ro_compat & std::to_underlying(~supported_ro_compatible_features))
-      {
-        return kstd::failure(ext2_errc::unsupported_features_present);
-      }
-
-      return 0;
+      return kstd::failure(ext2_errc::invalid_magic_number);
     }
 
-    [[nodiscard]] auto make_instance() const -> filesystem::filesystem_ptr override
+    if (superblock.feature_incompat & std::to_underlying(~supported_incompatible_features) ||
+        superblock.feature_ro_compat & std::to_underlying(~supported_ro_compatible_features))
     {
-      return kstd::make_shared<filesystem>();
+      return kstd::failure(ext2_errc::unsupported_features_present);
     }
-  };
-
-  [[gnu::used]]
-  constexpr auto registration = type_registration<type>{};
-
-  static_assert(sizeof(kernel::filesystem::filesystem) == sizeof(kernel::filesystem::ext2::filesystem));
 
-  auto filesystem::indirect_levels(mount_state const & state) const -> std::array<indirect_level, 3>
-  {
-    return {
-      {{constants::singly_indirect_block_index, block_numbers_per_singly_indirect_block(state)},
-       {constants::doubly_indirect_block_index, block_numbers_per_doubly_indirect_block(state)},
-       {constants::triply_indirect_block_index, block_numbers_per_triply_indirect_block(state)}}
-    };
+    return 0;
   }
 
   auto filesystem::mount(inode_ptr const & backing_inode) -> kstd::result<mount_result>
diff --git a/kernel/kernel/filesystem/ext2/filesystem.hpp b/kernel/kernel/filesystem/ext2/filesystem.hpp
index 9ee737a7..4b5604e5 100644
--- a/kernel/kernel/filesystem/ext2/filesystem.hpp
+++ b/kernel/kernel/filesystem/ext2/filesystem.hpp
@@ -76,6 +76,8 @@ namespace kernel::filesystem::ext2
   //! The Second Extended Filesystem (ext2)
   struct filesystem final : kernel::filesystem::filesystem
   {
+    [[nodiscard]] auto probe(inode_ptr const & backing_inode) const -> kstd::result<std::uint32_t> override;
+
     auto mount(inode_ptr const & backing_inode) -> kstd::result<mount_result> override;
 
     [[nodiscard]] auto lookup(inode_ptr const & parent, std::string_view name, driver_data_ptr driver_data) const
diff --git a/kernel/kernel/filesystem/filesystem.cpp b/kernel/kernel/filesystem/filesystem.cpp
deleted file mode 100644
index d2e3adde..00000000
--- a/kernel/kernel/filesystem/filesystem.cpp
+++ /dev/null
@@ -1,32 +0,0 @@
-#include <kernel/filesystem/filesystem.hpp>
-
-#include <kernel/filesystem/error.hpp>
-#include <kernel/filesystem/inode.hpp>
-#include <kernel/filesystem/type_registry.hpp>
-
-#include <kstd/memory.hpp>
-#include <kstd/result.hpp>
-#include <kstd/system_error.hpp>
-
-namespace kernel::filesystem
-{
-
-  auto filesystem::probe(kstd::shared_ptr<inode> const & backing_inode) -> kstd::result<kstd::shared_ptr<filesystem>>
-  {
-    for (auto & type : type_registry::get().all())
-    {
-      if (!type || !type->probe(backing_inode))
-      {
-        continue;
-      }
-
-      if (auto fs = type->make_instance())
-      {
-        return fs;
-      }
-    }
-
-    return kstd::failure(vfs_errc::unsupported_filesystem);
-  }
-
-}  // namespace kernel::filesystem
\ No newline at end of file
diff --git a/kernel/kernel/filesystem/filesystem.hpp b/kernel/kernel/filesystem/filesystem.hpp
index 2e713c89..f9fb2859 100644
--- a/kernel/kernel/filesystem/filesystem.hpp
+++ b/kernel/kernel/filesystem/filesystem.hpp
@@ -10,6 +10,7 @@
 #include <kstd/system_error.hpp>
 #include <kstd/vector.hpp>
 
+#include <cstdint>
 #include <optional>
 #include <string_view>
 #include <utility>
@@ -30,11 +31,11 @@ namespace kernel::filesystem
     //! Virtual destructor enabling polymorphic destruction.
     virtual ~filesystem() = default;
 
-    //! Probes the given inode to determine if it contains a recognizable filesystem.
+    //! Check if the data represented by the given inode is recognized as this filesystem.
     //!
-    //! @param backing_inode The inode to probe and mount, if any.
-    //! @return A pointer to the instantiated filesystem and the root of it on success, an error otherwise.
-    auto static probe(inode_ptr const & backing_inode) -> kstd::result<filesystem_ptr>;
+    //! @param inode The inode to probe, if any.
+    //! @return the priority (higher is better) of the match on success, an error otherwise.
+    [[nodiscard]] virtual auto probe(inode_ptr const & inode) const -> kstd::result<std::uint32_t> = 0;
 
     //! Initializes the filesystem with the given inode.
     //!
diff --git a/kernel/kernel/filesystem/rootfs/filesystem.cpp b/kernel/kernel/filesystem/rootfs/filesystem.cpp
index 994ebaca..a14addba 100644
--- a/kernel/kernel/filesystem/rootfs/filesystem.cpp
+++ b/kernel/kernel/filesystem/rootfs/filesystem.cpp
@@ -1,9 +1,9 @@
 #include <kernel/filesystem/rootfs/filesystem.hpp>
 
+#include <kernel/filesystem/driver_registry.hpp>
 #include <kernel/filesystem/error.hpp>
 #include <kernel/filesystem/filesystem.hpp>
 #include <kernel/filesystem/rootfs/inode.hpp>
-#include <kernel/filesystem/type.hpp>
 
 #include <kapi/filesystem.hpp>
 
@@ -17,24 +17,13 @@
 
 namespace kernel::filesystem::rootfs
 {
-  struct type final : kernel::filesystem::type
+  struct descriptor final : kernel::filesystem::driver_descriptor
   {
     [[nodiscard]] auto name() const noexcept -> std::string_view override
     {
       return "rootfs";
     }
 
-    [[nodiscard]] auto probe(filesystem::inode_ptr const & backing_inode) const noexcept
-        -> kstd::result<std::uint32_t> override
-    {
-      if (backing_inode)
-      {
-        return kstd::failure(vfs_errc::invalid_argument);
-      }
-
-      return 0;
-    }
-
     [[nodiscard]] auto make_instance() const -> filesystem::filesystem_ptr override
     {
       return kstd::make_shared<filesystem>();
@@ -42,7 +31,19 @@ namespace kernel::filesystem::rootfs
   };
 
   [[gnu::used]]
-  constexpr auto registration = type_registration<type>{};
+  constexpr auto registration = driver_module<descriptor>{};
+
+  static_assert(sizeof(kernel::filesystem::filesystem) == sizeof(rootfs::filesystem));
+
+  auto filesystem::probe(inode_ptr const & inode) const -> kstd::result<std::uint32_t>
+  {
+    if (inode)
+    {
+      return kstd::failure(vfs_errc::invalid_argument);
+    }
+
+    return 0;
+  }
 
   auto filesystem::mount(inode_ptr const &) -> kstd::result<mount_result>
   {
diff --git a/kernel/kernel/filesystem/rootfs/filesystem.hpp b/kernel/kernel/filesystem/rootfs/filesystem.hpp
index edef76d4..0195b250 100644
--- a/kernel/kernel/filesystem/rootfs/filesystem.hpp
+++ b/kernel/kernel/filesystem/rootfs/filesystem.hpp
@@ -12,6 +12,7 @@
 #include <kstd/system_error.hpp>
 #include <kstd/vector.hpp>
 
+#include <cstdint>
 #include <optional>
 #include <string_view>
 
@@ -24,6 +25,8 @@ namespace kernel::filesystem::rootfs
   //! hierarchy. It is responsible for providing a stable and consistent interface to the root directory.
   struct filesystem : kernel::filesystem::filesystem
   {
+    [[nodiscard]] auto probe(inode_ptr const & inode) const -> kstd::result<std::uint32_t> override;
+
     //! @copydoc kernel::filesystem::filesystem::mount
     auto mount(inode_ptr const & backing_inode) -> kstd::result<mount_result> override;
 
diff --git a/kernel/kernel/filesystem/type.hpp b/kernel/kernel/filesystem/type.hpp
deleted file mode 100644
index c2f2595b..00000000
--- a/kernel/kernel/filesystem/type.hpp
+++ /dev/null
@@ -1,48 +0,0 @@
-#ifndef TEACHOS_KERNEL_FILESYSTEM_TYPE_HPP
-#define TEACHOS_KERNEL_FILESYSTEM_TYPE_HPP
-
-#include <kernel/filesystem/filesystem.hpp>
-#include <kernel/filesystem/inode.hpp>
-
-#include <kstd/memory.hpp>
-#include <kstd/result.hpp>
-
-#include <cstdint>
-#include <string_view>
-
-namespace kernel::filesystem
-{
-
-  //! A type descriptor for a filesystem driver.
-  //!
-  //! Each filesystem must expose an instance of a class derived from this type in order to be registered with the vfs
-  //! filesystem registry.
-  struct type
-  {
-    virtual ~type() = default;
-
-    //! Get the name of the filesystem represented by this descriptor.
-    [[nodiscard]] virtual auto name() const noexcept -> std::string_view = 0;
-
-    //! Check if the filesystem is applicable.
-    //!
-    //! @return the priority of this filesystem for the given inode.
-    [[nodiscard]] virtual auto probe(kstd::shared_ptr<inode> const & backing_inode) const noexcept
-        -> kstd::result<std::uint32_t> = 0;
-
-    //! Create a new instance of the filesystem represented by this descriptor.
-    [[nodiscard]] virtual auto make_instance() const -> kstd::shared_ptr<filesystem> = 0;
-  };
-
-  template<typename Type>
-  struct type_registration
-  {
-    constexpr auto static instance = Type{};
-    [[using gnu: section("fs_types"), used, visibility("hidden")]] constexpr auto static pointer{
-      kstd::make_observer<type const>(&instance),
-    };
-  };
-
-}  // namespace kernel::filesystem
-
-#endif
diff --git a/kernel/kernel/filesystem/type_registry.cpp b/kernel/kernel/filesystem/type_registry.cpp
deleted file mode 100644
index 05fb116a..00000000
--- a/kernel/kernel/filesystem/type_registry.cpp
+++ /dev/null
@@ -1,94 +0,0 @@
-#include <kernel/filesystem/type_registry.hpp>
-
-#include <kapi/system.hpp>
-
-#include <kstd/memory.hpp>
-#include <kstd/print.hpp>
-#include <kstd/vector.hpp>
-
-#include <algorithm>
-#include <cstddef>
-#include <optional>
-#include <ranges>
-#include <span>
-
-namespace kernel::filesystem
-{
-
-  extern "C"
-  {
-    // We need to suppress clang-tidy linting warnings here, since these symbols are generated by the linker and we
-    // cannot choose their names, unless we wanted to extend the linker script needlessly.
-    // NOLINTBEGIN(readability-identifier-naming)
-    extern type_registry::pointer const __start_fs_types;
-    extern type_registry::pointer const __stop_fs_types;
-    // NOLINTEND(readability-identifier-naming)
-  }
-
-  namespace
-  {
-    auto constinit instance = std::optional<type_registry>{};
-  }
-
-  auto type_registry::init() -> void
-  {
-    if (instance)
-    {
-      kapi::system::panic("[FILESYSTEM] tried to initialize type registry more than once!");
-    }
-
-    instance.emplace();
-
-    auto type_descriptors = std::span{&__start_fs_types, &__stop_fs_types} |  //
-                            std::views::filter([](auto p) { return p != nullptr; });
-
-    std::ranges::for_each(type_descriptors, [](auto descriptor) {
-      kstd::println("[FILESYSTEM] registering '{}'", descriptor->name());
-      instance->add(descriptor);
-    });
-  }
-
-  auto type_registry::get() -> type_registry &
-  {
-    if (!instance)
-    {
-      kapi::system::panic("[FILESYSTEM] type registry has not been initialized!");
-    }
-
-    return *instance;
-  }
-
-  auto type_registry::find(std::string_view name) const -> std::optional<pointer>
-  {
-    if (auto it = m_descriptors.find(name); it != m_descriptors.end())
-    {
-      return it->second;
-    }
-    return std::nullopt;
-  }
-
-  auto type_registry::add(pointer descriptor) -> bool
-  {
-    auto result = m_descriptors.emplace(descriptor->name(), descriptor);
-    return result.second;
-  }
-
-  auto type_registry::all() const noexcept -> kstd::vector<pointer>
-  {
-    return m_descriptors.values();
-  }
-
-  auto type_registry::size() const noexcept -> std::size_t
-  {
-    return m_descriptors.size();
-  }
-
-}  // namespace kernel::filesystem
-
-namespace kernel::tests::filesystem::type_registry
-{
-  auto deinit() -> void
-  {
-    kernel::filesystem::instance.reset();
-  }
-}  // namespace kernel::tests::filesystem::type_registry
\ No newline at end of file
diff --git a/kernel/kernel/filesystem/type_registry.hpp b/kernel/kernel/filesystem/type_registry.hpp
deleted file mode 100644
index 11669ab3..00000000
--- a/kernel/kernel/filesystem/type_registry.hpp
+++ /dev/null
@@ -1,59 +0,0 @@
-#ifndef TEACHOS_KERNEL_TYPE_REGISTRY_HPP
-#define TEACHOS_KERNEL_TYPE_REGISTRY_HPP
-
-#include <kernel/filesystem/type.hpp>
-
-#include <kstd/flat_map.hpp>
-#include <kstd/memory.hpp>
-#include <kstd/string.hpp>
-#include <kstd/vector.hpp>
-
-#include <cstddef>
-#include <optional>
-#include <string_view>
-
-namespace kernel::filesystem
-{
-
-  struct type_registry
-  {
-    using value_type = type;
-    using pointer = kstd::observer_ptr<value_type const>;
-
-    auto static init() -> void;
-    auto static get() -> type_registry &;
-
-    constexpr type_registry() noexcept = default;
-
-    //! Add a type descriptor to this registry.
-    //!
-    //! This function will register the given descriptor with this registry, given that no descriptor for a filesystem
-    //! with the same name exists in this registry already.
-    //!
-    //! @param descriptor The filesystem type descriptor to add to the registry.
-    //! @return @p true iff. the descriptor was successfully added, @p false if not.
-    auto add(pointer descriptor) -> bool;
-
-    //! Find a registered type descriptor by name
-    //!
-    //! @param name The name of the filesystem
-    [[nodiscard]] auto find(std::string_view name) const -> std::optional<pointer>;
-
-    //! Get all currently registered type descriptors.
-    //!
-    //! @return A span containing all currently registered filesystem type descriptors.
-    [[nodiscard]] auto all() const noexcept -> kstd::vector<pointer>;
-
-    //! Get the number of registered filesystem types.
-    //!
-    //! @return The number of filesystem descriptors currently registered with this registry.
-    [[nodiscard]] auto size() const noexcept -> std::size_t;
-
-  private:
-    //! A map from filesystem names (identifiers) to filesystem type descriptors.
-    kstd::flat_map<std::string_view, pointer> m_descriptors{};
-  };
-
-}  // namespace kernel::filesystem
-
-#endif
diff --git a/kernel/kernel/filesystem/type_registry.tests.cpp b/kernel/kernel/filesystem/type_registry.tests.cpp
deleted file mode 100644
index b38c16f8..00000000
--- a/kernel/kernel/filesystem/type_registry.tests.cpp
+++ /dev/null
@@ -1,81 +0,0 @@
-#include <kernel/filesystem/type_registry.hpp>
-
-#include <kernel/filesystem/filesystem.hpp>
-#include <kernel/filesystem/inode.hpp>
-#include <kernel/filesystem/type.hpp>
-
-#include <kstd/memory.hpp>
-#include <kstd/result.hpp>
-
-#include <catch2/catch_test_macros.hpp>
-
-#include <cstdint>
-#include <iterator>
-#include <string_view>
-
-struct test_type final : kernel::filesystem::type
-{
-  [[nodiscard]] auto name() const noexcept -> std::string_view override
-  {
-    return "bht_testfs";
-  }
-
-  [[nodiscard]] auto probe(kstd::shared_ptr<kernel::filesystem::inode> const &) const noexcept
-      -> kstd::result<std::uint32_t> override
-  {
-    return false;
-  }
-
-  [[nodiscard]] auto make_instance() const -> kstd::shared_ptr<kernel::filesystem::filesystem> override
-  {
-    return nullptr;
-  }
-};
-
-SCENARIO("Filesystem type registry initialization and construction", "[filesystem]")
-{
-  GIVEN("A default constructed type_registry")
-  {
-    auto instance = kernel::filesystem::type_registry{};
-
-    WHEN("getting the span of filesystem descriptors")
-    {
-      auto descriptors = instance.all();
-
-      THEN("the span is empty")
-      {
-        REQUIRE(descriptors.empty());
-      }
-    }
-  }
-}
-
-SCENARIO("Filesystem type registry modifiers", "[filesystem]")
-{
-  GIVEN("A default constructed type_registry")
-  {
-    auto instance = kernel::filesystem::type_registry{};
-
-    WHEN("adding a type descriptor")
-    {
-      auto descriptor = test_type{};
-
-      instance.add(kstd::make_observer(&descriptor));
-
-      THEN("the size of the registry is one")
-      {
-        REQUIRE(instance.size() == 1);
-      }
-
-      THEN("the span is not empty")
-      {
-        REQUIRE_FALSE(instance.all().empty());
-      }
-
-      THEN("the span's size is equal to the registry size")
-      {
-        REQUIRE(std::size(instance.all()) == std::size(instance));
-      }
-    }
-  }
-}
diff --git a/kernel/kernel/filesystem/vfs.cpp b/kernel/kernel/filesystem/vfs.cpp
index 43da7130..d8bcb6b6 100644
--- a/kernel/kernel/filesystem/vfs.cpp
+++ b/kernel/kernel/filesystem/vfs.cpp
@@ -4,6 +4,7 @@
 #include <kernel/filesystem/dentry.hpp>
 #include <kernel/filesystem/device_inode.hpp>
 #include <kernel/filesystem/device_number_registry.hpp>
+#include <kernel/filesystem/driver_registry.hpp>
 #include <kernel/filesystem/error.hpp>
 #include <kernel/filesystem/file_type.hpp>
 #include <kernel/filesystem/filesystem.hpp>
@@ -11,12 +12,12 @@
 #include <kernel/filesystem/mount.hpp>
 #include <kernel/filesystem/mount_table.hpp>
 #include <kernel/filesystem/path.hpp>
-#include <kernel/filesystem/type_registry.hpp>
 
 #include <kapi/filesystem.hpp>
 #include <kapi/system.hpp>
 
 #include <kstd/memory.hpp>
+#include <kstd/print.hpp>
 #include <kstd/result.hpp>
 #include <kstd/system_error.hpp>
 #include <kstd/units.hpp>
@@ -53,14 +54,13 @@ namespace kernel::filesystem
   vfs::vfs()
   {
     // mount rootfs at /
-    auto root_fs_descriptor = type_registry::get().find("rootfs");
-    if (!root_fs_descriptor)
+    auto rootfs = driver_registry::get().find("rootfs");
+    if (!rootfs)
     {
       kapi::system::panic("[OS:FS] rootfs driver is missing!");
     }
 
-    auto root_fs = (*root_fs_descriptor)->make_instance();
-    auto root_mount_result = root_fs->mount(nullptr);
+    auto root_mount_result = (*rootfs)->mount(nullptr);
     if (!root_mount_result)
     {
       kapi::system::panic("[FILESYSTEM] failed to mount root FS", root_mount_result.error());
@@ -68,45 +68,53 @@ namespace kernel::filesystem
 
     auto [root_inode, root_state] = *root_mount_result;
 
-    auto root_mount = mount::attach(nullptr, root_fs, root_inode, root_state, nullptr, nullptr);
+    auto root_mount = mount::attach(nullptr, *rootfs, root_inode, root_state, nullptr, nullptr);
     m_mount_table.add_mount(root_mount);
 
     // mount devfs at /dev (inside rootfs, temporary, will be shadowed)
-    auto device_fs_descriptor = type_registry::get().find("devfs");
-    if (!device_fs_descriptor)
+    auto devfs = driver_registry::get().find("devfs");
+    if (!devfs)
     {
       kapi::system::panic("[OS:FS] devfs driver is missing!");
     }
 
-    auto device_fs = (*device_fs_descriptor)->make_instance();
-    auto device_fs_mount_result = device_fs->mount(nullptr);
+    auto device_fs_mount_result = (*devfs)->mount(nullptr);
     if (!device_fs_mount_result)
     {
       kapi::system::panic("[FILESYSTEM] failed to mount device FS", device_fs_mount_result.error());
     }
 
     auto [device_fs_root, device_fs_data] = *device_fs_mount_result;
-    graft_persistent_device_fs(device_fs, device_fs_root, device_fs_data);
+    graft_persistent_device_fs(*devfs, device_fs_root, device_fs_data);
 
     // mount boot fs at / (shadows rootfs), re-graft devfs
     auto [boot_device_dentry, boot_device_mount_context] =
         resolve_path_internal("/dev/ram0").value_or(std::pair{nullptr, nullptr});
     if (boot_device_dentry && boot_device_mount_context)
     {
-      if (auto result = kernel::filesystem::filesystem::probe(boot_device_dentry->inode()))
+      auto driver = driver_registry::get().match(boot_device_dentry->inode());
+      if (!driver)
       {
-        if (auto root_dentry = resolve_path("/"))
-        {
-          auto mount =
-              mount::create(*root_dentry, *result, root_mount, boot_device_mount_context, boot_device_dentry->inode());
-          if (!mount)
-          {
-            kapi::system::panic("[OS:FS] failed to mount boot FS", mount.error());
-          }
-          m_mount_table.add_mount(*mount);
-          graft_persistent_device_fs(device_fs, device_fs_root, device_fs_data);
-        }
+        kstd::println(kstd::print_sink::stderr, "[OS:FS] Missing driver for root disk!");
+        return;
+      }
+
+      auto root_dentry = resolve_path("/");
+      if (!root_dentry)
+      {
+        kapi::system::panic("[OS:FS] No root directory found!");
+      }
+
+      auto mount =
+          mount::create(*root_dentry, *driver, root_mount, boot_device_mount_context, boot_device_dentry->inode());
+
+      if (!mount)
+      {
+        kapi::system::panic("[OS:FS] failed to mount boot FS", mount.error());
       }
+      m_mount_table.add_mount(*mount);
+
+      graft_persistent_device_fs(*devfs, device_fs_root, device_fs_data);
     }
   }
 
@@ -188,13 +196,14 @@ namespace kernel::filesystem
     }
     auto [source_dentry, source_mount_context] = *resolved_source;
 
-    auto fs = kernel::filesystem::filesystem::probe(source_dentry->inode());
-    if (!fs)
+    auto driver = driver_registry::get().match(source_dentry->inode());
+    if (!driver)
     {
-      return kstd::failure(fs.error());
+      return kstd::failure(driver.error());
     }
 
-    auto mount = mount::create(mount_point_dentry, *fs, mount_context, source_mount_context, source_dentry->inode());
+    auto mount =
+        mount::create(mount_point_dentry, *driver, mount_context, source_mount_context, source_dentry->inode());
     if (!mount)
     {
       return kstd::failure(mount.error());
diff --git a/kernel/kernel/main.cpp b/kernel/kernel/main.cpp
index db47f167..f8322b31 100644
--- a/kernel/kernel/main.cpp
+++ b/kernel/kernel/main.cpp
@@ -1,4 +1,4 @@
-#include "kernel/filesystem/type_registry.hpp"
+#include "kernel/filesystem/driver_registry.hpp"
 #include <kernel/devices/init.hpp>
 #include <kernel/devices/storage.hpp>
 #include <kernel/drivers/init.hpp>
@@ -248,7 +248,7 @@ auto main() -> int
   kernel::filesystem::open_file_table::init();
   kstd::println("[OS] Global open file table initialized.");
 
-  kernel::filesystem::type_registry::init();
+  kernel::filesystem::driver_registry::init();
   kstd::println("[OS] Builtin filesystems registered.");
 
   kernel::filesystem::vfs::init();
diff --git a/kernel/kernel/test_support/filesystem/driver_registry.hpp b/kernel/kernel/test_support/filesystem/driver_registry.hpp
new file mode 100644
index 00000000..b91acd57
--- /dev/null
+++ b/kernel/kernel/test_support/filesystem/driver_registry.hpp
@@ -0,0 +1,10 @@
+#ifndef TEACHOS_KERNEL_TEST_SUPPORT_FILESYSTEM_DRIVER_REGISTRY_HPP
+#define TEACHOS_KERNEL_TEST_SUPPORT_FILESYSTEM_DRIVER_REGISTRY_HPP
+
+namespace kernel::tests::filesystem::driver_registry
+{
+  //! Deinitialize the FS type registry singleton.
+  auto deinit() -> void;
+}  // namespace kernel::tests::filesystem::driver_registry
+
+#endif
\ No newline at end of file
diff --git a/kernel/kernel/test_support/filesystem/filesystem.cpp b/kernel/kernel/test_support/filesystem/filesystem.cpp
index 105746e8..0d4610ab 100644
--- a/kernel/kernel/test_support/filesystem/filesystem.cpp
+++ b/kernel/kernel/test_support/filesystem/filesystem.cpp
@@ -9,12 +9,18 @@
 #include <kstd/result.hpp>
 #include <kstd/system_error.hpp>
 
+#include <cstdint>
 #include <optional>
 #include <string_view>
 #include <utility>
 
 namespace kernel::tests::filesystem
 {
+  auto filesystem::probe(inode_ptr const &) const -> kstd::result<std::uint32_t>
+  {
+    return 0;
+  }
+
   auto filesystem::mount(inode_ptr const &) -> kstd::result<mount_result>
   {
     return std::pair{kstd::make_shared<inode>(), nullptr};
diff --git a/kernel/kernel/test_support/filesystem/filesystem.hpp b/kernel/kernel/test_support/filesystem/filesystem.hpp
index 52111a5a..3df2cccb 100644
--- a/kernel/kernel/test_support/filesystem/filesystem.hpp
+++ b/kernel/kernel/test_support/filesystem/filesystem.hpp
@@ -10,6 +10,7 @@
 #include <kstd/result.hpp>
 #include <kstd/system_error.hpp>
 
+#include <cstdint>
 #include <optional>
 #include <string_view>
 
@@ -19,6 +20,8 @@ namespace kernel::tests::filesystem
   {
     filesystem() = default;
 
+    [[nodiscard]] auto probe(inode_ptr const & inode) const -> kstd::result<std::uint32_t> override;
+
     auto mount(kstd::shared_ptr<kernel::filesystem::inode> const & backing_inode)
         -> kstd::result<mount_result> override;
 
diff --git a/kernel/kernel/test_support/filesystem/storage_boot_module_fixture.cpp b/kernel/kernel/test_support/filesystem/storage_boot_module_fixture.cpp
index 3df23751..b9228c69 100644
--- a/kernel/kernel/test_support/filesystem/storage_boot_module_fixture.cpp
+++ b/kernel/kernel/test_support/filesystem/storage_boot_module_fixture.cpp
@@ -2,8 +2,6 @@
 
 #include <kernel/bus/boot_modules.hpp>
 #include <kernel/devices/storage.hpp>
-#include <kernel/filesystem/type.hpp>
-#include <kernel/filesystem/type_registry.hpp>
 
 #include <kapi/boot_modules.hpp>
 #include <kapi/boot_modules/device.hpp>
diff --git a/kernel/kernel/test_support/filesystem/type_registry.hpp b/kernel/kernel/test_support/filesystem/type_registry.hpp
deleted file mode 100644
index 8d5b6029..00000000
--- a/kernel/kernel/test_support/filesystem/type_registry.hpp
+++ /dev/null
@@ -1,10 +0,0 @@
-#ifndef TEACHOS_KERNEL_TEST_SUPPORT_FILESYSTEM_TYPE_REGISTRY_HPP
-#define TEACHOS_KERNEL_TEST_SUPPORT_FILESYSTEM_TYPE_REGISTRY_HPP
-
-namespace kernel::tests::filesystem::type_registry
-{
-  //! Deinitialize the FS type registry singleton.
-  auto deinit() -> void;
-}  // namespace kernel::tests::filesystem::type_registry
-
-#endif
\ No newline at end of file
diff --git a/kernel/kernel/test_support/state_reset_listener.cpp b/kernel/kernel/test_support/state_reset_listener.cpp
index e900b31c..948f2f7e 100644
--- a/kernel/kernel/test_support/state_reset_listener.cpp
+++ b/kernel/kernel/test_support/state_reset_listener.cpp
@@ -1,13 +1,13 @@
 #include <kernel/devices/storage.hpp>
 #include <kernel/drivers/init.hpp>
+#include <kernel/filesystem/driver_registry.hpp>
 #include <kernel/filesystem/open_file_table.hpp>
-#include <kernel/filesystem/type_registry.hpp>
 #include <kernel/filesystem/vfs.hpp>
 #include <kernel/test_support/cio.hpp>
 #include <kernel/test_support/cpu.hpp>
 #include <kernel/test_support/filesystem/device_number_registry.hpp>
+#include <kernel/test_support/filesystem/driver_registry.hpp>
 #include <kernel/test_support/filesystem/open_file_table.hpp>
-#include <kernel/test_support/filesystem/type_registry.hpp>
 #include <kernel/test_support/filesystem/vfs.hpp>
 #include <kernel/test_support/memory.hpp>
 
@@ -42,15 +42,14 @@ struct state_reset_listener : Catch::EventListenerBase
 
     std::ignore = kernel::devices::storage::init();
     kernel::filesystem::open_file_table::init();
-    kernel::filesystem::type_registry::init();
+    kernel::filesystem::driver_registry::init();
   }
 
   void testCaseEnded(Catch::TestCaseStats const &) override
   {
-    kernel::tests::filesystem::type_registry::deinit();
+    kernel::tests::filesystem::driver_registry::deinit();
     kernel::tests::filesystem::device_number_registry::deinit();
     kernel::tests::filesystem::vfs::deinit();
-    kernel::tests::filesystem::type_registry::deinit();
     kernel::tests::filesystem::open_file_table::deinit();
 
     kapi::test_support::devices::deinit();
-- 
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