diff --git a/src/ps4_libscegnmdriver.pas b/src/ps4_libscegnmdriver.pas
index 3f51389..d6f1a47 100644
--- a/src/ps4_libscegnmdriver.pas
+++ b/src/ps4_libscegnmdriver.pas
@@ -15,6 +15,7 @@ implementation
 
 uses
  hamt,
+ atomic,
  ps4_program,
  sys_signal,
  sys_kernel,
@@ -2128,12 +2129,24 @@ begin
  _sig_unlock;
 end;
 
+var
+ libGnm_init:Integer=0;
+
 function Load_libSceGnmDriver(Const name:RawByteString):TElf_node;
 var
  lib:PLIBRARY;
 begin
  Result:=TElf_node.Create;
- Result.pFileName:='libSceGnmDriver.prx';
+ Result.pFileName:=name;
+
+ if CAS(libGnm_init,0,1) then
+ begin
+  //start load
+ end else
+ begin
+  //never add same lib name
+  Exit;
+ end;
 
  lib:=Result._add_lib('libSceGnmDriver');
 
@@ -2222,6 +2235,7 @@ begin
 
   //nop nid:libSceGnmDriver:DBDA0ABCA5F3119A:sceGnmMapComputeQueue
 
+ libGnm_init:=2; //end load
 end;
 
 initialization
@@ -2238,7 +2252,7 @@ initialization
  ComputeEvents[5].Init;
  ComputeEvents[6].Init;
 
- ps4_app.RegistredPreLoad('libSceGnmDriver.prx',@Load_libSceGnmDriver);
+ ps4_app.RegistredPreLoad('libSceGnmDriver.prx'        ,@Load_libSceGnmDriver);
  ps4_app.RegistredPreLoad('libSceGnmDriver_padebug.prx',@Load_libSceGnmDriver);
 
 
diff --git a/sys/sys_file.pas b/sys/sys_file.pas
index aad4e5b..97a0a17 100644
--- a/sys/sys_file.pas
+++ b/sys/sys_file.pas
@@ -60,17 +60,21 @@ begin
 end;
 
 Function get_CreationDisposition(flags:Integer):DWORD;
-const
- CREAT_EXCL=O_CREAT or O_EXCL;
 begin
  Result:=0;
- if (flags and CREAT_EXCL)=CREAT_EXCL then
- begin
-  Result:=CREATE_NEW;
- end else
  if (flags and O_CREAT)<>0 then
  begin
-  Result:=CREATE_ALWAYS;
+  if (flags and O_EXCL)<>0 then
+  begin
+   Result:=CREATE_NEW;
+  end else
+  if (flags and O_TRUNC)<>0 then
+  begin
+   Result:=CREATE_ALWAYS;
+  end else
+  begin
+   Result:=OPEN_ALWAYS;
+  end;
  end else
  if (flags and O_TRUNC)<>0 then
  begin
@@ -95,6 +99,11 @@ begin
 
  wp:=UTF8Decode(path);
 
+ if ((flags and O_NONBLOCK)<>0) then
+ begin
+  Writeln(StdErr,'__sys_file_open:O_NONBLOCK:TODO');
+ end;
+
  dwDesiredAccess:=get_DesiredAccess(flags);
  dwCreationDisposition:=get_CreationDisposition(flags);
 
diff --git a/sys/sys_kernel.pas b/sys/sys_kernel.pas
index 1f1c429..0135046 100644
--- a/sys/sys_kernel.pas
+++ b/sys/sys_kernel.pas
@@ -184,6 +184,27 @@ begin
  if (t<>nil) then Result:=@t^.errno;
 end;
 
+function ntf2px(n:DWORD):Integer;
+begin
+ case n of
+  STATUS_SUCCESS           :Result:=0;
+  STATUS_ABANDONED         :Result:=EPERM;
+  STATUS_USER_APC          :Result:=EINTR;
+  STATUS_KERNEL_APC        :Result:=EINTR;
+  STATUS_ALERTED           :Result:=EINTR;
+  STATUS_TIMEOUT           :Result:=ETIMEDOUT;
+  STATUS_PENDING           :Result:=EAGAIN;
+  STATUS_ACCESS_VIOLATION  :Result:=EFAULT;
+  STATUS_INVALID_HANDLE    :Result:=EBADF;
+  STATUS_INVALID_PARAMETER :Result:=EINVAL;
+  STATUS_END_OF_FILE       :Result:=0;
+  STATUS_ACCESS_DENIED     :Result:=EBADF;
+  STATUS_DISK_FULL         :Result:=ENOSPC;
+  else
+                            Result:=EIO;
+ end;
+end;
+
 function SwFreeMem(p:pointer):ptruint;
 begin
  _sig_lock;