diff --git a/sdk/xtdk/bltypes.h b/sdk/xtdk/bltypes.h
index 25a5127..6d448a5 100644
--- a/sdk/xtdk/bltypes.h
+++ b/sdk/xtdk/bltypes.h
@@ -78,6 +78,7 @@ typedef VOID (*PBL_CONSOLE_RESET_INPUT_BUFFER)();
 typedef VOID (*PBL_CONSOLE_SET_ATTRIBUTES)(IN ULONGLONG Attributes);
 typedef VOID (*PBL_CONSOLE_SET_CURSOR_POSITION)(IN ULONGLONG PosX, IN ULONGLONG PosY);
 typedef VOID (*PBL_CONSOLE_WRITE)(IN PUSHORT String);
+typedef VOID (*PBL_COPY_MEMORY)(OUT PVOID Destination, IN PCVOID Source, IN SIZE_T Length);
 typedef VOID (*PBL_DEBUG_PRINT)(IN PUINT16 Format, IN ...);
 typedef EFI_STATUS (*PBL_EXECIMAGE_GET_ENTRY_POINT)(IN PVOID ImagePointer, OUT PVOID *EntryPoint);
 typedef EFI_STATUS (*PBL_EXECIMAGE_GET_MACHINE_TYPE)(IN PVOID ImagePointer, OUT PUSHORT MachineType);
@@ -98,6 +99,7 @@ typedef EFI_STATUS (*PBL_OPEN_XT_PROTOCOL)(OUT PEFI_HANDLE Handle, OUT PVOID *Pr
 typedef EFI_STATUS (*PBL_READ_FILE)(IN PEFI_FILE_HANDLE DirHandle, IN CONST PWCHAR FileName, OUT PVOID *FileData, OUT PSIZE_T FileSize);
 typedef EFI_STATUS (*PBL_REGISTER_BOOT_PROTOCOL)(IN PWCHAR SystemType, IN PEFI_GUID BootProtocolGuid);
 typedef VOID (*PBL_REGISTER_XT_BOOT_MENU)(PVOID BootMenuRoutine);
+typedef VOID (*PBL_SET_MEMORY)(OUT PVOID Destination, IN UCHAR Byte, IN SIZE_T Length);
 typedef VOID (*PBL_SLEEP_EXECUTION)(IN ULONG_PTR Milliseconds);
 typedef VOID (*PBL_TUI_DISPLAY_ERROR_DIALOG)(IN PWCHAR Caption, IN PWCHAR Message);
 typedef VOID (*PBL_TUI_DISPLAY_INFO_DIALOG)(IN PWCHAR Caption, IN PWCHAR Message);
@@ -106,6 +108,7 @@ typedef XTBL_DIALOG_HANDLE (*PBL_TUI_DISPLAY_PROGRESS_DIALOG)(IN PWCHAR Caption,
 typedef VOID (*PBL_TUI_UPDATE_PROGRESS_BAR)(IN PXTBL_DIALOG_HANDLE Handle, IN PWCHAR Message, IN UCHAR Percentage);
 typedef EFI_STATUS (*PBL_WAIT_FOR_EFI_EVENT)(IN UINT_PTR NumberOfEvents, IN PEFI_EVENT Event, OUT PUINT_PTR Index);
 typedef VOID (*PBL_XT_BOOT_MENU)();
+typedef VOID (*PBL_ZERO_MEMORY)(OUT PVOID Destination, IN SIZE_T Length);
 
 /* Boot parameters structure */
 typedef struct _XTBL_BOOT_PARAMETERS
@@ -258,9 +261,12 @@ typedef struct _XTBL_LOADER_PROTOCOL
     {
         PBL_ALLOCATE_PAGES AllocatePages;
         PBL_ALLOCATE_POOL AllocatePool;
+        PBL_COPY_MEMORY CopyMemory;
         PBL_FREE_PAGES FreePages;
         PBL_FREE_POOL FreePool;
         PBL_GET_MEMORY_MAP GetMemoryMap;
+        PBL_SET_MEMORY SetMemory;
+        PBL_ZERO_MEMORY ZeroMemory;
     } Memory;
     struct
     {
diff --git a/xtldr/protocol.c b/xtldr/protocol.c
index 10622d9..03ac30d 100644
--- a/xtldr/protocol.c
+++ b/xtldr/protocol.c
@@ -578,9 +578,12 @@ BlpInstallXtLoaderProtocol()
     BlpLdrProtocol.Disk.ReadFile = BlReadFile;
     BlpLdrProtocol.Memory.AllocatePages = BlMemoryAllocatePages;
     BlpLdrProtocol.Memory.AllocatePool = BlMemoryAllocatePool;
+    BlpLdrProtocol.Memory.CopyMemory = RtlCopyMemory;
     BlpLdrProtocol.Memory.FreePages = BlMemoryFreePages;
     BlpLdrProtocol.Memory.FreePool = BlMemoryFreePool;
     BlpLdrProtocol.Memory.GetMemoryMap = BlGetMemoryMap;
+    BlpLdrProtocol.Memory.SetMemory = RtlSetMemory;
+    BlpLdrProtocol.Memory.ZeroMemory = RtlZeroMemory;
     BlpLdrProtocol.Protocol.Close = BlCloseProtocol;
     BlpLdrProtocol.Protocol.GetModulesList = BlGetModulesList;
     BlpLdrProtocol.Protocol.Open = BlOpenProtocol;