Merge branch 'fmorgner/develop-BA-FS26/dynamic-fs' into 'develop-BA-FS26'

Add support infrastructure for automatic file system registration

See merge request teachos/kernel!46

1 files changed, 22 insertions, 0 deletions

diff --git a/kernel/src/filesystem/devfs/filesystem.cpp b/kernel/src/filesystem/devfs/filesystem.cpp
index f0d8bf7..ce887ff 100644
--- a/kernel/src/filesystem/devfs/filesystem.cpp
+++ b/kernel/src/filesystem/devfs/filesystem.cpp
@@ -5,6 +5,7 @@
 #include <kernel/filesystem/devfs/inode.hpp>
 #include <kernel/filesystem/device_inode.hpp>
 #include <kernel/filesystem/inode.hpp>
+#include <kernel/filesystem/type.hpp>
 
 #include <kapi/devices/device.hpp>
 
@@ -15,6 +16,27 @@
 
 namespace kernel::filesystem::devfs
 {
+  struct type final : kernel::filesystem::type
+  {
+    [[nodiscard]] auto name() const noexcept -> std::string_view override
+    {
+      return "devfs";
+    }
+
+    [[nodiscard]] auto requires_device() const noexcept -> bool override
+    {
+      return false;
+    }
+
+    [[nodiscard]] auto make_instance() const -> kstd::shared_ptr<kernel::filesystem::filesystem> override
+    {
+      return kstd::make_shared<filesystem>();
+    }
+  };
+
+  [[gnu::used]]
+  constexpr auto registration = type_registration<type>{};
+
   auto filesystem::mount(kstd::shared_ptr<kernel::filesystem::inode> const &) -> operation_result
   {
     m_root_inode = kstd::make_shared<inode>();