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fix(kernel/vfs): 🎉 a complete rewrite of the vfs

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This is the fourth time re-writing the VFS, hope this will be the last. Tried to make it as modular as possible so this won't be necessary in the future. 🙏

This change required the entire kernel code to be modified.
This commit is contained in:
EnderIce2
2025-05-13 15:59:12 +00:00
parent 83a7f83f81
commit 557c7e6235
83 changed files with 3252 additions and 2487 deletions
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36
Kernel/include/driver.hpp
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@ -22,7 +22,8 @@
#include <interface/driver.h>
#include <interface/input.h>
#include <filesystem.hpp>
#include <interface/block.h>
#include <fs/vfs.hpp>
#include <unordered_map>
#include <memory.hpp>
#include <ints.hpp>
@ -120,17 +121,15 @@ namespace Driver
* 1 - input/... devices
*/
dev_t DriverIDCounter = 2;
FileNode *devNode = nullptr;
FileNode *devInputNode = nullptr;
Node devNode = nullptr;
Node devInputNode = nullptr;
Node devBlockNode = nullptr;
bool IsDriverTrusted(FileNode *File);
int LoadDriverFile(DriverObject &Drv, FileNode *File);
bool IsDriverTrusted(Node File);
int LoadDriverFile(DriverObject &Drv, Node File);
void ReloadDriver(dev_t driverID);
void InitializeDaemonFS();
dev_t RegisterInputDevice(std::unordered_map<dev_t, DriverHandlers> *, dev_t, size_t, const InodeOperations *);
dev_t RegisterBlockDevice(std::unordered_map<dev_t, DriverHandlers> *, dev_t, size_t, const InodeOperations *);
void InitializeDeviceDirectory();
public:
RingBuffer<KeyboardReport> GlobalKeyboardInputReports;
@ -138,11 +137,16 @@ namespace Driver
struct DeviceInode
{
struct Inode Node;
FileNode *Parent;
struct Inode inode;
Node Parent;
Inode *ParentInode;
std::string Name;
std::vector<DeviceInode *> Children;
size_t Size;
time_t AccessTime, ModifyTime, ChangeTime;
uint32_t BlockSize;
uint32_t Blocks;
};
std::unordered_map<dev_t, DriverObject> &
@ -185,6 +189,9 @@ namespace Driver
int ReportInputEvent(dev_t DriverID, InputReport *Report);
int UnregisterDevice(dev_t DriverID, dev_t Device);
dev_t RegisterBlockDevice(dev_t DriverID, struct BlockDevice *Device);
int UnregisterBlockDevice(dev_t DriverID, dev_t DeviceID);
void *AllocateMemory(dev_t DriverID, size_t Pages);
void FreeMemory(dev_t DriverID, void *Pointer, size_t Pages);
@ -193,8 +200,6 @@ namespace Driver
private:
~Manager();
};
void ManagerDaemonWrapper();
}
void *GetSymbolByName(const char *Name, int Version);
@ -215,9 +220,12 @@ namespace v0
int UnregisterInterruptHandler(dev_t DriverID, uint8_t IRQ, void *Handler);
int UnregisterAllInterruptHandlers(dev_t DriverID, void *Handler);
dev_t RegisterFileSystem(dev_t DriverID, FileSystemInfo *Info, struct Inode *Root);
dev_t RegisterFileSystem(dev_t DriverID, FileSystemInfo *Info);
int UnregisterFileSystem(dev_t DriverID, dev_t Device);
dev_t RegisterBlockDevice(dev_t DriverID, struct BlockDevice *Device);
int UnregisterBlockDevice(dev_t DriverID, dev_t DeviceID);
pid_t CreateKernelProcess(dev_t DriverID, const char *Name);
pid_t CreateKernelThread(dev_t DriverID, pid_t pId, const char *Name, void *EntryPoint, void *Argument);
pid_t GetCurrentProcess(dev_t DriverID);