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+ added a ZX Spectrum target to the compiler

git-svn-id: branches/z80@44815 -
nickysn 5 年之前
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3deeff689a
共有 5 個文件被更改,包括 428 次插入2 次删除
  1. 2 0
      .gitattributes
  2. 4 2
      compiler/systems.inc
  3. 107 0
      compiler/systems/i_zxspectrum.pas
  4. 312 0
      compiler/systems/t_zxspectrum.pas
  5. 3 0
      compiler/z80/cputarg.pas

+ 2 - 0
.gitattributes

@@ -857,6 +857,7 @@ compiler/systems/i_wdosx.pas svneol=native#text/plain
 compiler/systems/i_wii.pas svneol=native#text/plain
 compiler/systems/i_win.pas svneol=native#text/plain
 compiler/systems/i_win16.pas svneol=native#text/plain
+compiler/systems/i_zxspectrum.pas svneol=native#text/plain
 compiler/systems/mac_crea.txt svneol=native#text/plain
 compiler/systems/t_aix.pas svneol=native#text/plain
 compiler/systems/t_amiga.pas svneol=native#text/plain
@@ -890,6 +891,7 @@ compiler/systems/t_wdosx.pas svneol=native#text/plain
 compiler/systems/t_wii.pas svneol=native#text/plain
 compiler/systems/t_win.pas svneol=native#text/plain
 compiler/systems/t_win16.pas svneol=native#text/plain
+compiler/systems/t_zxspectrum.pas svneol=native#text/plain
 compiler/tgobj.pas svneol=native#text/plain
 compiler/tokens.pas svneol=native#text/plain
 compiler/utils/Makefile svneol=native#text/plain

+ 4 - 2
compiler/systems.inc

@@ -195,7 +195,8 @@
              system_xtensa_embedded,    { 103 }
              system_xtensa_freertos,    { 104 }
              system_xtensa_linux,       { 105 }
-             system_z80_embedded        { 106 }
+             system_z80_embedded,       { 106 }
+             system_z80_zxspectrum      { 107 }
        );
 
      type
@@ -292,7 +293,8 @@
              ld_int_windows,
              ld_int_msdos,
              ld_int_win16,
-             ld_freertos
+             ld_freertos,
+             ld_zxspectrum
        );
 
        tar = (ar_none

+ 107 - 0
compiler/systems/i_zxspectrum.pas

@@ -0,0 +1,107 @@
+{
+    This unit implements support information structures for the FPC ZX Spectrum target
+
+    Copyright (c) 1998-2006 by Peter Vreman
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ ****************************************************************************
+}
+unit i_zxspectrum;
+
+{$i fpcdefs.inc}
+
+  interface
+
+    uses
+       systems;
+
+    const
+       system_z80_zxspectrum_info : tsysteminfo =
+          (
+            system       : system_z80_zxspectrum;
+            name         : 'ZX Spectrum';
+            shortname    : 'zxspectrum';
+            flags        : [tf_needs_symbol_size,tf_files_case_sensitive,
+                            tf_smartlink_sections];
+            cpu          : cpu_sys_z80;
+            unit_env     : '';
+            extradefines : '';
+            exeext       : '';
+            defext       : '.def';
+            scriptext    : '.sh';
+            smartext     : '.sl';
+            unitext      : '.ppu';
+            unitlibext   : '.ppl';
+            asmext       : '.s';
+            objext       : '.o';
+            resext       : '.res';
+            resobjext    : '.or';
+            sharedlibext : '.so';
+            staticlibext : '.a';
+            staticlibprefix : 'libp';
+            sharedlibprefix : 'lib';
+            sharedClibext : '.so';
+            staticClibext : '.a';
+            staticClibprefix : 'lib';
+            sharedClibprefix : 'lib';
+            importlibprefix : 'libimp';
+            importlibext : '.a';
+            Cprefix      : '';
+            newline      : #10;
+            dirsep       : '/';
+            assem        : as_sdcc_sdasz80;
+            assemextern  : as_sdcc_sdasz80;
+            link         : ld_none;
+            linkextern   : ld_zxspectrum;
+            ar           : ar_gnu_ar;
+            res          : res_none;
+            dbg          : dbg_dwarf2;
+            script       : script_unix;
+            endian       : endian_little;
+            alignment    :
+              (
+                procalign            : 1;
+                loopalign            : 1;
+                jumpalign            : 0;
+                jumpalignskipmax     : 0;
+                coalescealign        : 0;
+                coalescealignskipmax : 0;
+                constalignmin        : 0;
+                constalignmax        : 1;
+                varalignmin          : 0;
+                varalignmax          : 1;
+                localalignmin        : 0;
+                localalignmax        : 1;
+                recordalignmin       : 0;
+                recordalignmax       : 1;
+                maxCrecordalign      : 1
+              );
+            first_parm_offset : 4;
+            stacksize    : 1024;
+            stackalign   : 1;
+            abi : abi_default;
+            llvmdatalayout : 'todo';
+          );
+
+ implementation
+
+initialization
+{$ifdef CPUZ80}
+  {$ifdef zxspectrum}
+    set_source_info(system_z80_zxspectrum_info);
+  {$endif zxspectrum}
+{$endif CPUZ80}
+end.
+

+ 312 - 0
compiler/systems/t_zxspectrum.pas

@@ -0,0 +1,312 @@
+{
+    Copyright (c) 2005-2020 by Free Pascal Compiler team
+
+    This unit implements support import, export, link routines
+    for the ZX Spectrum Target
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+ ****************************************************************************
+}
+unit t_zxspectrum;
+
+{$i fpcdefs.inc}
+
+interface
+
+
+implementation
+
+    uses
+       SysUtils,
+       cutils,cfileutl,cclasses,
+       globtype,globals,systems,verbose,comphook,cscript,fmodule,i_zxspectrum,link,
+       cpuinfo;
+
+    type
+
+       { TLinkerZXSpectrum_SdccSdld - the sdld linker from the SDCC project ( http://sdcc.sourceforge.net/ ) }
+
+       TLinkerZXSpectrum_SdccSdld=class(texternallinker)
+       private
+          Function  WriteResponseFile: Boolean;
+       public
+{          constructor Create; override;}
+          procedure SetDefaultInfo; override;
+          function  MakeExecutable:boolean; override;
+{          function postprocessexecutable(const fn : string;isdll:boolean):boolean;}
+       end;
+
+
+{*****************************************************************************
+                          TLinkerZXSpectrum_SdccSdld
+*****************************************************************************}
+
+function TLinkerZXSpectrum_SdccSdld.WriteResponseFile: Boolean;
+  Var
+    linkres  : TLinkRes;
+    i        : longint;
+    HPath    : TCmdStrListItem;
+    s,s1,s2  : TCmdStr;
+    prtobj,
+    cprtobj  : string[80];
+    linklibc : boolean;
+    found1,
+    found2   : boolean;
+  {$if defined(ARM)}
+    LinkStr  : string;
+  {$endif}
+  begin
+    WriteResponseFile:=False;
+    linklibc:=(SharedLibFiles.Find('c')<>nil);
+    prtobj:='prt0';
+    cprtobj:='cprt0';
+    if linklibc then
+      prtobj:=cprtobj;
+
+    { Open link.res file }
+    LinkRes:=TLinkRes.Create(outputexedir+Info.ResName,true);
+
+    { Write path to search libraries }
+(*    HPath:=TCmdStrListItem(current_module.locallibrarysearchpath.First);
+    while assigned(HPath) do
+     begin
+      s:=HPath.Str;
+      if (cs_link_on_target in current_settings.globalswitches) then
+       s:=ScriptFixFileName(s);
+      LinkRes.Add('-L'+s);
+      HPath:=TCmdStrListItem(HPath.Next);
+     end;
+    HPath:=TCmdStrListItem(LibrarySearchPath.First);
+    while assigned(HPath) do
+     begin
+      s:=HPath.Str;
+      if s<>'' then
+       LinkRes.Add('SEARCH_DIR("'+s+'")');
+      HPath:=TCmdStrListItem(HPath.Next);
+     end;
+
+    LinkRes.Add('INPUT (');
+    { add objectfiles, start with prt0 always }*)
+    //s:=FindObjectFile('prt0','',false);
+    if prtobj<>'' then
+      begin
+        s:=FindObjectFile(prtobj,'',false);
+        LinkRes.AddFileName(s);
+      end;
+
+    { try to add crti and crtbegin if linking to C }
+    if linklibc then
+     begin
+       if librarysearchpath.FindFile('crtbegin.o',false,s) then
+        LinkRes.AddFileName(s);
+       if librarysearchpath.FindFile('crti.o',false,s) then
+        LinkRes.AddFileName(s);
+     end;
+
+    while not ObjectFiles.Empty do
+     begin
+      s:=ObjectFiles.GetFirst;
+      if s<>'' then
+       begin
+        { vlink doesn't use SEARCH_DIR for object files }
+        if not(cs_link_on_target in current_settings.globalswitches) then
+         s:=FindObjectFile(s,'',false);
+        LinkRes.AddFileName((maybequoted(s)));
+       end;
+     end;
+
+    { Write staticlibraries }
+    if not StaticLibFiles.Empty then
+     begin
+      { vlink doesn't need, and doesn't support GROUP }
+{      if (cs_link_on_target in current_settings.globalswitches) then
+       begin
+        LinkRes.Add(')');
+        LinkRes.Add('GROUP(');
+       end;}
+      while not StaticLibFiles.Empty do
+       begin
+        S:=StaticLibFiles.GetFirst;
+        LinkRes.AddFileName((maybequoted(s)));
+       end;
+     end;
+
+(*    if (cs_link_on_target in current_settings.globalswitches) then
+     begin
+      LinkRes.Add(')');
+
+      { Write sharedlibraries like -l<lib>, also add the needed dynamic linker
+        here to be sure that it gets linked this is needed for glibc2 systems (PFV) }
+      linklibc:=false;
+      while not SharedLibFiles.Empty do
+       begin
+        S:=SharedLibFiles.GetFirst;
+        if s<>'c' then
+         begin
+          i:=Pos(target_info.sharedlibext,S);
+          if i>0 then
+           Delete(S,i,255);
+          LinkRes.Add('-l'+s);
+         end
+        else
+         begin
+          LinkRes.Add('-l'+s);
+          linklibc:=true;
+         end;
+       end;
+      { be sure that libc&libgcc is the last lib }
+      if linklibc then
+       begin
+        LinkRes.Add('-lc');
+        LinkRes.Add('-lgcc');
+       end;
+     end
+    else
+     begin
+      while not SharedLibFiles.Empty do
+       begin
+        S:=SharedLibFiles.GetFirst;
+        LinkRes.Add('lib'+s+target_info.staticlibext);
+       end;
+      LinkRes.Add(')');
+     end;*)
+
+    { objects which must be at the end }
+    (*if linklibc then
+     begin
+       found1:=librarysearchpath.FindFile('crtend.o',false,s1);
+       found2:=librarysearchpath.FindFile('crtn.o',false,s2);
+       if found1 or found2 then
+        begin
+          LinkRes.Add('INPUT(');
+          if found1 then
+           LinkRes.AddFileName(s1);
+          if found2 then
+           LinkRes.AddFileName(s2);
+          LinkRes.Add(')');
+        end;
+     end;*)
+
+    { Write and Close response }
+    linkres.writetodisk;
+    linkres.free;
+
+    WriteResponseFile:=True;
+  end;
+
+procedure TLinkerZXSpectrum_SdccSdld.SetDefaultInfo;
+  const
+{$if defined(Z80)}
+    ExeName='sdcc-sdldz80';
+{$else}
+    ExeName='sdcc-sdld';
+{$endif}
+  begin
+    with Info do
+     begin
+       ExeCmd[1]:=ExeName+' -n $OPT -i $MAP $EXE -f $RES'
+       //-g '+platform_select+' $OPT $DYNLINK $STATIC $GCSECTIONS $STRIP $MAP -L. -o $EXE -T $RES';
+     end;
+  end;
+
+function TLinkerZXSpectrum_SdccSdld.MakeExecutable: boolean;
+  var
+    binstr,
+    cmdstr,
+    mapstr: TCmdStr;
+    success : boolean;
+    StaticStr,
+    GCSectionsStr,
+    DynLinkStr,
+    StripStr,
+    FixedExeFileName: string;
+  begin
+    { for future use }
+    StaticStr:='';
+    StripStr:='';
+    mapstr:='';
+    DynLinkStr:='';
+    FixedExeFileName:=maybequoted(ScriptFixFileName(ChangeFileExt(current_module.exefilename,'.ihx')));
+
+(*    GCSectionsStr:='--gc-sections';
+    //if not(cs_link_extern in current_settings.globalswitches) then
+    if not(cs_link_nolink in current_settings.globalswitches) then
+     Message1(exec_i_linking,current_module.exefilename);*)
+
+    if (cs_link_map in current_settings.globalswitches) then
+     mapstr:='-mw';
+
+  { Write used files and libraries }
+    WriteResponseFile();
+
+  { Call linker }
+    SplitBinCmd(Info.ExeCmd[1],binstr,cmdstr);
+    Replace(cmdstr,'$OPT',Info.ExtraOptions);
+    if not(cs_link_on_target in current_settings.globalswitches) then
+     begin
+      Replace(cmdstr,'$EXE',FixedExeFileName);
+      Replace(cmdstr,'$RES',(maybequoted(ScriptFixFileName(outputexedir+Info.ResName))));
+      Replace(cmdstr,'$STATIC',StaticStr);
+      Replace(cmdstr,'$STRIP',StripStr);
+      Replace(cmdstr,'$MAP',mapstr);
+      Replace(cmdstr,'$GCSECTIONS',GCSectionsStr);
+      Replace(cmdstr,'$DYNLINK',DynLinkStr);
+     end
+    else
+     begin
+      Replace(cmdstr,'$EXE',FixedExeFileName);
+      Replace(cmdstr,'$RES',maybequoted(ScriptFixFileName(outputexedir+Info.ResName)));
+      Replace(cmdstr,'$STATIC',StaticStr);
+      Replace(cmdstr,'$STRIP',StripStr);
+      Replace(cmdstr,'$MAP',mapstr);
+      Replace(cmdstr,'$GCSECTIONS',GCSectionsStr);
+      Replace(cmdstr,'$DYNLINK',DynLinkStr);
+     end;
+    success:=DoExec(FindUtil(utilsprefix+BinStr),cmdstr,true,false);
+
+  { Remove ReponseFile }
+    if success and not(cs_link_nolink in current_settings.globalswitches) then
+     DeleteFile(outputexedir+Info.ResName);
+
+(*  { Post process }
+    if success and not(cs_link_nolink in current_settings.globalswitches) then
+      success:=PostProcessExecutable(FixedExeFileName,false);
+
+    if success and (target_info.system in [system_arm_embedded,system_avr_embedded,system_mipsel_embedded,system_xtensa_embedded]) then
+      begin
+        success:=DoExec(FindUtil(utilsprefix+'objcopy'),'-O ihex '+
+          FixedExeFileName+' '+
+          maybequoted(ScriptFixFileName(ChangeFileExt(current_module.exefilename,'.hex'))),true,false);
+        if success then
+          success:=DoExec(FindUtil(utilsprefix+'objcopy'),'-O binary '+
+            FixedExeFileName+' '+
+            maybequoted(ScriptFixFileName(ChangeFileExt(current_module.exefilename,'.bin'))),true,false);
+      end;*)
+
+    MakeExecutable:=success;   { otherwise a recursive call to link method }
+  end;
+
+
+{*****************************************************************************
+                                     Initialize
+*****************************************************************************}
+
+initialization
+{$ifdef z80}
+  RegisterLinker(ld_zxspectrum,TLinkerZXSpectrum_SdccSdld);
+  RegisterTarget(system_z80_zxspectrum_info);
+{$endif z80}
+end.

+ 3 - 0
compiler/z80/cputarg.pas

@@ -38,6 +38,9 @@ implementation
     {$ifndef NOTARGETEMBEDDED}
       ,t_embed
     {$endif}
+    {$ifndef NOTARGETZXSPECTRUM}
+      ,t_zxspectrum
+    {$endif}
 
 {**************************************
              Assemblers