Merge branch 'develop-BA-FS26' into 'develop'HEADdevelop

Merge of BA-FS26 branch into develop

See merge request teachos/kernel!49

1 files changed, 47 insertions, 0 deletions

diff --git a/kernel/src/filesystem/rootfs/filesystem.cpp b/kernel/src/filesystem/rootfs/filesystem.cpp
new file mode 100644
index 0000000..7fe5c1e
--- /dev/null
+++ b/kernel/src/filesystem/rootfs/filesystem.cpp
@@ -0,0 +1,47 @@
+#include <kernel/filesystem/rootfs/filesystem.hpp>
+
+#include <kernel/filesystem/filesystem.hpp>
+#include <kernel/filesystem/inode.hpp>
+#include <kernel/filesystem/rootfs/inode.hpp>
+#include <kernel/filesystem/type.hpp>
+
+#include <kstd/memory>
+
+#include <string_view>
+
+namespace kernel::filesystem::rootfs
+{
+
+  struct type final : kernel::filesystem::type
+  {
+    [[nodiscard]] auto name() const noexcept -> std::string_view override
+    {
+      return "rootfs";
+    }
+
+    [[nodiscard]] auto requires_device() const noexcept -> bool override
+    {
+      return true;
+    }
+
+    [[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>();
+    return operation_result::success;
+  }
+
+  auto filesystem::lookup(kstd::shared_ptr<kernel::filesystem::inode> const &, std::string_view) const
+      -> kstd::shared_ptr<kernel::filesystem::inode>
+  {
+    return nullptr;
+  }
+}  // namespace kernel::filesystem::rootfs