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-rw-r--r--Source/Kernel/VFS/VFS.ns.cpp75
1 files changed, 75 insertions, 0 deletions
diff --git a/Source/Kernel/VFS/VFS.ns.cpp b/Source/Kernel/VFS/VFS.ns.cpp
index 5ebb697..6a5fe4e 100644
--- a/Source/Kernel/VFS/VFS.ns.cpp
+++ b/Source/Kernel/VFS/VFS.ns.cpp
@@ -1,6 +1,19 @@
#include "VFS.ns.h"
#include <VFS/FileNode.class.h>
#include <Vector.class.h>
+#include <VTManager/VirtualTerminal.proto.h>
+
+#include <VFS/Part.ns.h>
+#include <FileSystems/RamFS/RamFS.class.h>
+#include <FileSystems/FAT/FATFS.class.h>
+
+struct local_fs_t {
+ const char* name;
+ mount_callback_t cb;
+} fileSystems[] = {
+ {"fat", FATFS::mount},
+ {0, 0}
+};
FileSystem::~FileSystem() { delete m_rootNode; }
@@ -37,6 +50,68 @@ bool unmount(FileSystem* fs) {
return true;
}
+bool mount(String str, VirtualTerminal* vt, multiboot_info_t *mbd) {
+ Vector<String> fs = str.split(":");
+ DirectoryNode* root;
+ if (fs[0] == "/") {
+ root = NULL;
+ } else {
+ FSNode* n = VFS::find(fs[0]);
+ if (n == NULL) {
+ *vt << "Mountpoint does not exist : " << fs[0] << "\n";
+ return false;
+ }
+ if (n->type() != NT_DIRECTORY) {
+ *vt << "Mountpoint is not a directory : " << fs[0] << "\n";
+ return false;
+ }
+ root = (DirectoryNode*)n;
+ }
+ if (fs[1] == "ramfs") {
+ if (fs.size() > 2) {
+ if (mbd != 0) {
+ module_t *mods = (module_t*)mbd->mods_addr;
+ if (fs[2].toInt() >= mbd->mods_count) {
+ *vt << "Invalid module number for filesystem to mount on " << fs[0] << "\n";
+ return false;
+ }
+ RamFS::mount((u8int*)mods[fs[2].toInt()].mod_start, 1024 * 1024, root);
+ return true;
+ } else {
+ *vt << "Cannot mount kernel modules outside of kernel command line.\n";
+ return false;
+ }
+ } else {
+ RamFS::mount(1024 * 1024, root);
+ return true;
+ }
+ } else {
+ if (fs.size() < 4) {
+ *vt << "Syntax: <mountpoint>:[<dev_class>]:<dev_id>:<part_id>[:<fs_type>[:[ro|rw]]]\n";
+ return false;
+ }
+ if (fs[1] == "") fs[1] = "block";
+ if (fs.size() < 5) fs.push("");
+ if (fs.size() < 6) fs.push("ro"); //By default, mount file systems read-only
+ BlockDevice* d = Part::dev(fs[1], fs[2].toInt());
+ Partition* p = Part::part(d, fs[3].toInt());
+ for (u32int i = 0; fileSystems[i].cb != 0; i++) {
+ if (fs[4] == fileSystems[i].name or fs[4] == "") {
+ if (fileSystems[i].cb(p, root, (fs[5] == "rw")) != NULL) {
+ return true;
+ } else if (fs[4] != "") {
+ *vt << "Could not mount filesystem on " << fs[0] << "\n";
+ if (root == NULL) PANIC("Error while mounting root filesystem.");
+ return false;
+ }
+ }
+ }
+ *vt << "Unknown filesystem type for filesystem to mount on " << fs[0] << "\n";
+ if (root == NULL) PANIC("Unknown filesystem type for root file system.");
+ return false;
+ }
+}
+
FSNode* find(const String& path, FSNode* start) {
if (start == 0) start = rootNode;