refactor(driver/api): delegate memory allocation and deallocation to DriverManager

Signed-off-by: EnderIce2 <enderice2@protonmail.com>

Kernel/core/driver/api.cpp

@@ -451,29 +451,13 @@ namespace v0
 	void *AllocateMemory(dev_t DriverID, size_t Pages)
 	{
 		dbg_api("%d, %d", DriverID, Pages);
-
+		return DriverManager->AllocateMemory(DriverID, Pages);
-		std::unordered_map<dev_t, Driver::DriverObject> &Drivers =
-			DriverManager->GetDrivers();
-
-		auto itr = Drivers.find(DriverID);
-		assert(itr != Drivers.end());
-
-		void *ptr = itr->second.vma->RequestPages(Pages);
-		memset(ptr, 0, FROM_PAGES(Pages));
-		return ptr;
 	}
 
 	void FreeMemory(dev_t DriverID, void *Pointer, size_t Pages)
 	{
 		dbg_api("%d, %#lx, %d", DriverID, Pointer, Pages);
-
+		DriverManager->FreeMemory(DriverID, Pointer, Pages);
-		std::unordered_map<dev_t, Driver::DriverObject> &Drivers =
-			DriverManager->GetDrivers();
-
-		auto itr = Drivers.find(DriverID);
-		assert(itr != Drivers.end());
-
-		itr->second.vma->FreePages(Pointer, Pages);
 	}
 
 	void *MemoryCopy(dev_t DriverID, void *Destination, const void *Source, size_t Length)

Kernel/core/driver/daemon.cpp

@@ -766,6 +766,22 @@ namespace Driver
 		return 0;
 	}
 
+	void *Manager::AllocateMemory(dev_t DriverID, size_t Pages)
+	{
+		auto itr = Drivers.find(DriverID);
+		assert(itr != Drivers.end());
+		void *ptr = itr->second.vma->RequestPages(Pages);
+		memset(ptr, 0, FROM_PAGES(Pages));
+		return ptr;
+	}
+
+	void Manager::FreeMemory(dev_t DriverID, void *Pointer, size_t Pages)
+	{
+		auto itr = Drivers.find(DriverID);
+		assert(itr != Drivers.end());
+		itr->second.vma->FreePages(Pointer, Pages);
+	}
+
 	int Manager::ReportInputEvent(dev_t DriverID, InputReport *Report)
 	{
 		std::unordered_map<dev_t, Driver::DriverObject> &drivers =

Kernel/include/driver.hpp

@@ -153,6 +153,9 @@ namespace Driver
 
 		int UnregisterDevice(dev_t DriverID, dev_t Device);
 
+		void *AllocateMemory(dev_t DriverID, size_t Pages);
+		void FreeMemory(dev_t DriverID, void *Pointer, size_t Pages);
+
 		Manager();
 		~Manager();
 	};