feat: GPT, FAT32 driver, disks app, userspace adapted for multiple drives, and more

kernel/src/Fs/FsProbe.hpp

@@ -0,0 +1,29 @@
+/*
+    * FsProbe.hpp
+    * Filesystem probe registry
+    * Copyright (c) 2026 Daniel Hammer
+*/
+
+#pragma once
+#include <Fs/Vfs.hpp>
+
+namespace Fs::FsProbe {
+
+    static constexpr int MaxProbes = 8;
+
+    // A probe function attempts to mount a filesystem on the given partition.
+    // Returns a FsDriver* on success, nullptr if the filesystem is not recognized.
+    using ProbeFn = Vfs::FsDriver* (*)(int blockDevIndex, uint64_t startLba, uint64_t sectorCount);
+
+    // Register a filesystem probe function (called once per FS driver at init).
+    void Register(ProbeFn fn);
+
+    // Probe all discovered GPT partitions and auto-mount recognized filesystems.
+    // Assigns VFS drive numbers starting from firstDrive.
+    void MountPartitions(int firstDrive = 1);
+
+    // Try to mount a single partition (by global partition index) as the given VFS drive.
+    // Returns 0 on success, -1 if no probe recognized the filesystem.
+    int MountPartition(int partIndex, int driveNum);
+
+};