From 84d4476650b31dbfc52becf2ff65ddce9d31c9ec Mon Sep 17 00:00:00 2001
From: Lukas Oesch <lukasoesch20@gmail.com>
Date: Tue, 24 Mar 2026 23:54:28 +0100
Subject: implement a rootfs to handle / mounts correctly

---
 kernel/src/filesystem/rootfs/rootfs_filesystem.cpp | 24 ++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 kernel/src/filesystem/rootfs/rootfs_filesystem.cpp

(limited to 'kernel/src/filesystem/rootfs/rootfs_filesystem.cpp')

diff --git a/kernel/src/filesystem/rootfs/rootfs_filesystem.cpp b/kernel/src/filesystem/rootfs/rootfs_filesystem.cpp
new file mode 100644
index 0000000..22b1962
--- /dev/null
+++ b/kernel/src/filesystem/rootfs/rootfs_filesystem.cpp
@@ -0,0 +1,24 @@
+#include "kernel/filesystem/rootfs/rootfs_filesystem.hpp"
+
+#include "kernel/devices/device.hpp"
+#include "kernel/filesystem/inode.hpp"
+#include "kernel/filesystem/rootfs/rootfs_inode.hpp"
+
+#include <kstd/memory>
+
+#include <string_view>
+
+namespace filesystem::rootfs
+{
+  auto rootfs_filesystem::mount(kstd::shared_ptr<devices::device> const & /*device*/) -> int
+  {
+    m_root_inode = kstd::make_shared<rootfs_inode>();
+    return 0;
+  }
+
+  auto rootfs_filesystem::lookup(kstd::shared_ptr<inode> const & /*parent*/, std::string_view /*name*/)
+      -> kstd::shared_ptr<inode>
+  {
+    return nullptr;
+  }
+}  // namespace filesystem::rootfs
-- 
cgit v1.2.3


From e97b668f82ad1a51e1e9352073a3ae51cedfdd34 Mon Sep 17 00:00:00 2001
From: Lukas Oesch <lukasoesch20@gmail.com>
Date: Thu, 26 Mar 2026 20:27:23 +0100
Subject: mount /dev in the rootfs

---
 kernel/src/filesystem/rootfs/rootfs_filesystem.cpp | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

(limited to 'kernel/src/filesystem/rootfs/rootfs_filesystem.cpp')

diff --git a/kernel/src/filesystem/rootfs/rootfs_filesystem.cpp b/kernel/src/filesystem/rootfs/rootfs_filesystem.cpp
index 22b1962..e819fc7 100644
--- a/kernel/src/filesystem/rootfs/rootfs_filesystem.cpp
+++ b/kernel/src/filesystem/rootfs/rootfs_filesystem.cpp
@@ -12,13 +12,18 @@ namespace filesystem::rootfs
 {
   auto rootfs_filesystem::mount(kstd::shared_ptr<devices::device> const & /*device*/) -> int
   {
-    m_root_inode = kstd::make_shared<rootfs_inode>();
+    auto rfs_inode = kstd::make_shared<rootfs_inode>();
+    rfs_inode->add_child("dev");
+    m_root_inode = rfs_inode;
+
     return 0;
   }
 
-  auto rootfs_filesystem::lookup(kstd::shared_ptr<inode> const & /*parent*/, std::string_view /*name*/)
+  auto rootfs_filesystem::lookup(kstd::shared_ptr<inode> const & parent, std::string_view name)
       -> kstd::shared_ptr<inode>
   {
+    if (auto * rfs_inode = static_cast<rootfs_inode *>(parent.get()))
+      return rfs_inode->lookup_child(name);
     return nullptr;
   }
 }  // namespace filesystem::rootfs
-- 
cgit v1.2.3


From a6f93bf8df0dbfa7d19aa1168bfc8b052e41c42f Mon Sep 17 00:00:00 2001
From: Lukas Oesch <lukasoesch20@gmail.com>
Date: Sat, 28 Mar 2026 17:28:32 +0100
Subject: fix vfs mount with /dev & /a  and rootfs & devfs

---
 kernel/src/filesystem/rootfs/rootfs_filesystem.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'kernel/src/filesystem/rootfs/rootfs_filesystem.cpp')

diff --git a/kernel/src/filesystem/rootfs/rootfs_filesystem.cpp b/kernel/src/filesystem/rootfs/rootfs_filesystem.cpp
index e819fc7..22502aa 100644
--- a/kernel/src/filesystem/rootfs/rootfs_filesystem.cpp
+++ b/kernel/src/filesystem/rootfs/rootfs_filesystem.cpp
@@ -10,7 +10,7 @@
 
 namespace filesystem::rootfs
 {
-  auto rootfs_filesystem::mount(kstd::shared_ptr<devices::device> const & /*device*/) -> int
+  auto rootfs_filesystem::mount(kstd::shared_ptr<devices::device> const &) -> int
   {
     auto rfs_inode = kstd::make_shared<rootfs_inode>();
     rfs_inode->add_child("dev");
-- 
cgit v1.2.3