
uses
 {$IFDEF Linux}
 cmem,
 cthreads,
 {$ENDIF}
 cpu,
 windows,
 seh64,
 Classes,
 sysutils,
 stub_manager,
 sys_crt,
 sys_types,
 sys_pthread,
 sys_path,
 sys_kernel,
 ps4libdoc,
 ps4_libkernel,
 ps4_libSceLibcInternal,
 ps4_libSceScreenShot,
 ps4_libSceRtc,
 ps4_libSceNpSignaling,
 ps4_libSceNpMatching2,
 ps4_libSceRemoteplay,
 ps4_libSceAjm,
 ps4_libSceMouse,
 ps4_libSceIme,
 ps4_libSceMove,
 ps4_libScePlayGo,
 ps4_libSceDiscMap,
 ps4_libSceAppContent,
 ps4_libSceNet,
 ps4_libSceHttp,
 ps4_libSceGnmDriver,
 ps4_libSceNpScore,
 ps4_libSceNpTrophy,
 ps4_libSceSystemService,
 ps4_libSceNpCommon,
 ps4_libSceNpManager,
 ps4_libSceNpGameIntent,
 ps4_libSceNpAuth,
 ps4_libSceSaveData,
 ps4_libSceDialogs,
 ps4_libSceUserService,
 ps4_libSceAudioOut,
 ps4_libSceVoice,
 ps4_libSceVideoOut,
 ps4_libSceAvPlayer,
 ps4_libSceAudiodec,
 ps4_libScePad,
 ps4_libSceNpWebApi,
 ps4_libSceRudp,
 ps4_libSceRandom,
 ps4_libSceComposite,
 ps4_libSceSysCore,
 ps4_libSceSsl,
 ps4_libSceFiber,
 ps4_libSceUlt,
 ps4_libSceGameLiveStreaming,
 ps4_libSceSharePlay,
 ps4_libSceVideoRecording,
 ps4_libSceContentExport,
 ps4_libSceUsbd,
 ps4_libSceAudiodecCpu,
 ps4_libSceDepth,
 ps4_libSceNpTus,
 ps4_libSceLoginService,
 ps4_libSceHmd,
 ps4_libSceVrTracker,
 ps4_libSceCamera,
 ps4_elf,
 ps4_pthread,
 ps4_program,

 ps4_videodrv,
 vMemory,
 vImageManager,
 vImageTiling,
 vFlip,

 trace_manager;

function ParseCmd:Boolean;
var
 i,n:Integer;
label
 promo;
begin
 if (ParamCount=0) then
 begin
  promo:
  Writeln('fpPS4 (',{$I tag.inc},')');
  Writeln('Copyright (c) 2021-2023 by red-prig');
  Writeln('PS4 compatibility layer (emulator) written with Free Pascal '+{$I %FPCVERSION%});
  Writeln(' Parameters:');
  Writeln('  -e <name>   //Decrypted ELF or SELF file name');
  Writeln('  -f <name>   //Folder of app   (/app0)');
  Writeln('  -p <name>   //Folder of patch (/app1)');
  Writeln('  -s <name>   //Savedata path');
  Writeln('  -w          //Fullscreen mode');
  Writeln('  -pad <name> //Gamepad interface selection (xinput,sdl2,keyboard) default:xinput');
  Writeln('  -led <clr>  //Initial LED color of Gamepad ($rrggbb)');

  Writeln('  -h <name>   //enable hack');
  Writeln('     DEPTH_DISABLE_HACK   //Disables depth buffer');
  Writeln('     COMPUTE_DISABLE_HACK //Disables compute shaders');
  Writeln('     MEMORY_BOUND_HACK    //Limits the amount of GPU allocated memory (iGPU)');
  Writeln('     IMAGE_TEST_HACK      //Always marks that the texture has changed');
  Writeln('     IMAGE_LOAD_HACK      //Never reload textures (improves performance on many games)');
  Writeln('     DISABLE_SRGB_HACK    //Disables hacked SRGB display');
  Writeln('     DISABLE_FMV_HACK     //Disables in-game movies');
  Writeln('     SKIP_UNKNOW_TILING   //Skip unknown tiling texture types');

  Exit(False);
 end;

 n:=-1;
 For i:=1 to ParamCount do
 begin
  case LowerCase(ParamStr(i)) of
      '-e':n:=0;
      '-f':n:=1;
      '-p':n:=2;
      '-s':n:=3;
      '-h':n:=4;
      '-w':ps4_libSceVideoOut.FULLSCREEN_MODE:=True;
    '-pad':n:=5;
    '-led':n:=6;
   else
     if (n<>-1) then
     begin
      Case n of
       0:begin
          if (ps4_app.app0_file<>'') then Goto promo;
          ps4_app.app0_file:=Trim(ParamStr(i));
          if (ps4_app.app0_path='') then
          begin
           ps4_app.app0_path:=ExtractFileDir(ps4_app.app0_file);
           if (ExcludeLeadingPathDelimiter(ps4_app.app0_path)='') then ps4_app.app0_path:=GetCurrentDir;
          end;
         end;
       1:begin
          ps4_app.app0_path:=Trim(ParamStr(i));
          if (ExcludeLeadingPathDelimiter(ps4_app.app0_path)='') then ps4_app.app0_path:=GetCurrentDir;
         end;
       2:begin
          ps4_app.app1_path:=Trim(ParamStr(i));
          if (ExcludeLeadingPathDelimiter(ps4_app.app1_path)='') then ps4_app.app1_path:=GetCurrentDir;
         end;
       3:begin
          ps4_app.save_path:=Trim(ParamStr(i));
         end;
       5:begin
          select_pad_interface(Trim(ParamStr(i)));
         end;
       6:begin
          select_led_color(Trim(ParamStr(i)));
         end;
       4:begin
          case UpperCase(ParamStr(i)) of
           'DEPTH_DISABLE_HACK'  :ps4_videodrv.DEPTH_DISABLE_HACK:=True;
           'COMPUTE_DISABLE_HACK':ps4_videodrv.COMPUTE_DISABLE_HACK:=True;
           'MEMORY_BOUND_HACK'   :vMemory.MEMORY_BOUND_HACK:=True;
           'IMAGE_TEST_HACK'     :vImageManager.IMAGE_TEST_HACK:=True;
           'IMAGE_LOAD_HACK'     :vImageManager.IMAGE_LOAD_HACK:=True;
           'DISABLE_SRGB_HACK'   :vFlip.SRGB_HACK:=False;
           'DISABLE_FMV_HACK'    :ps4_libsceavplayer.DISABLE_FMV_HACK:=True;
           'SKIP_UNKNOW_TILING'  :vImageTiling.SKIP_UNKNOW_TILING:=True;
           else;
          end;
         end;
      end;
      n:=-1;
     end;
  end;
 end;

 if (ps4_app.app0_file='') or (ps4_app.app0_path='') or (ps4_app.save_path='') then Goto promo;

 if (ps4_app.app1_path=ps4_app.app0_path) then
 begin
  ps4_app.app1_path:='';
 end;

 if not FileExists(ps4_app.app0_file) then
 begin
  Writeln(StdErr,'File not found:',ps4_app.app0_file);
  Writeln;
  Goto promo;
 end;

 if not DirectoryExists(ps4_app.app0_path) then
 begin
  Writeln(StdErr,'Path not found:',ps4_app.app0_path);
  Writeln;
  Goto promo;
 end;

 if (ps4_app.app1_path<>'') then
 if not DirectoryExists(ps4_app.app1_path) then
 begin
  Writeln(StdErr,'Path not found:',ps4_app.app1_path);
  Writeln;
  Goto promo;
 end;

 Result:=True;
end;

{
type
 _TElf_node=class(TElf_node)
 end;

procedure Print_libs(node:TElf_node);
var
 i,l:SizeInt;
 lib:PLIBRARY;
begin
 l:=Length(_TElf_node(node).aLibs);
 if (l<>0) then
 begin
  For i:=0 to l-1 do
  begin
   lib:=_TElf_node(node).aLibs[i];
   Writeln(hexStr(lib));
   if lib<>nil then
    Writeln(lib^.Import,' ',lib^.strName);
  end;
 end;
end;
}

var
 Stub:TStubMemoryProc;

procedure _nop_stub; assembler; nostackframe;
asm
 xor %rax,%rax
end;

procedure print_stub(nid:QWORD;lib:PLIBRARY); MS_ABI_Default;
begin
 Writeln(StdErr,SysLogPrefix,'nop nid:',lib^.strName,':',HexStr(nid,16),':',ps4libdoc.GetFunctName(nid));
 //DebugBreak;
 Sleep(INFINITE);
 //readln;
 //Print_libs(ps4_app.GetFile('libc.prx'));
end;

function ResolveImport(elf:Telf_file;Info:PResolveImportInfo;data:Pointer):Pointer;
var
 lib:PLIBRARY;
begin
 Result:=nil;

 //cache
 Result:=Info^.lib^.get_proc(Info^.nid);
 if (Result<>nil) then
 begin
  //Writeln('Cache^:',Info^.lib^.strName,':',ps4libdoc.GetFunctName(Info^.Nid));
  Exit;
 end;

 lib:=ps4_app.GetLib(Info^.lib^.strName);
 if (lib<>nil) then
 begin
  Result:=lib^.get_proc(Info^.Nid);
 end;

 //Writeln('Resolve:',Info^.lib^.strName,':',ps4libdoc.GetFunctName(Info^.Nid));

 {
 if (Result<>nil) and ((Info^.sType=STT_FUN) or (Info^.sType=STT_SCE)) then //trace
 begin

 Case Info^.lib^.strName of
  'libSceNpToolkit':;
  'libSceSaveDataDialog':;
  'libSceVideoOut':;
  'libSceSystemService':;
  'libSceUserService':;
  'libSceNetCtl':;
  'libSceNpManager':;
  'libSceNpManagerForToolkit':;
  'libScePad':;
  'libSceFios2':;
  'libSceGnmDriver':;
  'libSceAjm':;
  'libSceAudioOut':;
  'libc':;
  'libSceLibcInternal':;
  'libScePosix':;
  'libSceDiscMap':;
  else
   Case RawByteString(ps4libdoc.GetFunctName(Info^.Nid)) of

    'scePadGetControllerInformation':;
    'scePadRead':;
    'scePadSetVibration':;

    'sceUserServiceGetLoginUserIdList':;
    'sceSystemServiceGetStatus':;

    'sceKernelDebugRaiseException':;
    'sceKernelDebugRaiseExceptionOnReleaseMode':;
    '_sigprocmask':;
    '__error':;
    'sceKernelClearEventFlag':;
    'sceKernelWaitEventFlag':;
    'sceKernelSetEventFlag':;
    'sceNetCtlCheckCallbackForNpToolkit':;
    'sceKernelReadTsc':;
    'scePthreadCondSignal':;
    'scePthreadCondTimedwait':;
    'scePthreadYield':;
    'nanosleep':;
    'sceKernelGetProcessTime':;
    'sceKernelGetProcessTimeCounter':;
    'clock_gettime':;
    'pthread_mutex_init':;
    'sceKernelLseek':;
    'scePthreadMutexDestroy':;
    'sceKernelRead':;
    'sceKernelSignalSema':;
    'sceKernelWaitSema':;
    'scePthreadMutexInit':;
    'scePthreadMutexattrInit':;
    'scePthreadMutexattrDestroy':;
    'scePthreadMutexattrSettype':;
    'scePthreadMutexTrylock':;
    'scePthreadMutexLock':;
    'scePthreadMutexUnlock':;
    'pthread_self':;
    'scePthreadSelf':;
    'scePthreadEqual':;
    'sceKernelGettimeofday':;
    'sceKernelClockGettime':;
    'pthread_mutex_lock':;
    'pthread_mutex_unlock':;
    'sceKernelPread':;
    'sceKernelClose':;
    'sceDiscMapIsRequestOnHDD':;
    //'Unknow':;
    'sceFiosIOFilterPsarcDearchiver':;
    'sceFiosFHReadSync':;
    'sceFiosFHTell':;
    'sceNgs2VoiceGetState':;
    'sceNgs2SystemRender':;
    'sceAudioOutOutputs':;
    '__tls_get_addr':;
    'scePthreadRwlockRdlock':;
    'scePthreadRwlockUnlock':;
    'scePthreadCondBroadcast':;
    'sceFiosFHCloseSync':;
    'sceKernelStat':;
    'sceKernelOpen':;
    'sceKernelUsleep':;
    '_write':;
    else
     begin
      Result:=TStubMemoryTrace(Stub).NewTraceStub(Info^.Nid,Info^.lib,Result,@_trace_enter,@_trace_exit);
     end;
   end;
 end;

 end;
 }

 if (Result=nil) then
 begin
  if (Info^.sType=STT_FUN) or (Info^.sType=STT_SCE) then
  begin
   Result:=Stub.NewNopStub(Info^.Nid,Info^.lib,@print_stub);
  end else
  if (Info^.sBind<>STB_WEAK) then
  begin
   Writeln(StdWrn,'[Warn]:',Info^.lib^.strName,':',ps4libdoc.GetFunctName(Info^.Nid),':',HexStr(Info^.Nid,16));
  end;

 end;

 if (Result<>nil) then //cache
 begin
  Info^.lib^.set_proc(Info^.nid,Result);
 end;
end;

function ReloadImport(elf:Telf_file;Info:PResolveImportInfo;data:Pointer):Pointer;
var
 node:Telf_file;
 lib:PLIBRARY;
begin
 //prev
 Result:=Info^.lib^.get_proc(Info^.nid);

 node:=Telf_file(data);

 lib:=ps4_app.GetLib(Info^.lib^.strName);
 if (lib=nil) then Exit(nil); //Don't reload!

 if (lib^.parent<>node) then Exit(nil); //Don't reload!

 Result:=lib^.get_proc(Info^.Nid);

 if (Result=nil) then
 begin
  Writeln(StdWrn,'[Warn]:',Info^.lib^.strName,':',ps4libdoc.GetFunctName(Info^.Nid),':',HexStr(Info^.Nid,16));
  Exit(nil); //Don't reload!
 end;

 if (Result<>nil) then //cache
 begin
  Info^.lib^.set_proc(Info^.nid,Result);
 end;
end;

var
 main:pthread;

{$R *.res}

procedure LoadProgram;
var
 elf:Telf_file;
 f:RawByteString;
begin
 elf:=nil;

 if (ps4_app.app1_path<>'') then
 begin
  //first try patch
  f:='';
  if (parse_filename('/app1/eboot.bin',f)=PT_FILE) then
  begin
   elf:=Telf_file(LoadPs4ElfFromFile(f));
  end;
 end;

 if (elf=nil) then
 begin
  //second try app0_file
  elf:=Telf_file(LoadPs4ElfFromFile(ps4_app.app0_file));
 end;

 Assert(elf<>nil,'program not loaded!');

 ps4_app.prog:=elf;
end;

begin
 DefaultSystemCodePage:=CP_UTF8;
 DefaultUnicodeCodePage:=CP_UTF8;
 DefaultFileSystemCodePage:=CP_UTF8;
 DefaultRTLFileSystemCodePage:=CP_UTF8;
 UTF8CompareLocale:=CP_UTF8;

 sys_crt_init;

 if not cpu.AVX2Support then
 begin
  Writeln(StdErr,'AVX2 not support!');
  Assert(false,'AVX2 not supported!');
  Exit;
 end;

 ps4_app.save_path:=IncludeTrailingPathDelimiter(GetCurrentDir)+'savedata';
 if not ParseCmd then Exit;

 ps4_app.resolve_cb:=@ResolveImport;
 ps4_app.reload_cb :=@ReloadImport;

 LoadProgram;
 ps4_app.prog.Prepare;

 ps4_app.RegistredElf    (ps4_app.prog);
 ps4_app.ResolveDepended (ps4_app.prog);
 ps4_app.LoadSymbolImport(nil);


 Stub.FinStub;
 ps4_app.InitProt;

 _pthread_run_entry(@main,GetSceUserMainThreadName,GetSceUserMainThreadStackSize);

 ps4_libSceVideoOut.App_Run;
 //KillALLThreads TODO
 //readln;
end.



