* partially merged the mips-embedded branch of Michael Ring:

  - startup code/controller units are not merged yet
  - assembler call does not pass the needed CPU type yet

git-svn-id: trunk@27188 -

compiler/aggas.pas

@@ -227,7 +227,7 @@ implementation
         );
 
       { Generic unaligned pseudo-instructions, seems ELF specific }
-      use_ua_elf_systems = [system_mipsel_linux,system_mipseb_linux,system_mipsel_android];
+      use_ua_elf_systems = [system_mipsel_linux,system_mipseb_linux,system_mipsel_android,system_mipsel_embedded,system_mipseb_embedded];
       ait_ua_elf_const2str : array[aitconst_16bit_unaligned..aitconst_64bit_unaligned]
         of string[20]=(
           #9'.2byte'#9,#9'.4byte'#9,#9'.8byte'#9

compiler/avr/cpuinfo.pas

@@ -100,6 +100,9 @@ Const
      'LIBGCC'
    );
 
+    { We know that there are fields after sramsize
+      but we don't care about this warning }
+   {$WARN 3177 OFF}
    embedded_controllers : array [tcontrollertype] of tcontrollerdatatype =
    ((
    	controllertypestr:'';

compiler/globals.pas

@@ -163,9 +163,9 @@ interface
 {$endif defined(ARM)}
 
         { CPU targets with microcontroller support can add a controller specific unit }
-{$if defined(ARM) or defined(AVR)}
+{$if defined(ARM) or defined(AVR) or defined(MIPSEL)}
          controllertype   : tcontrollertype;
-{$endif defined(ARM) or defined(AVR)}
+{$endif defined(ARM) or defined(AVR) or defined(MIPSEL)}
          { WARNING: this pointer cannot be written as such in record token }
          pmessage : pmessagestaterecord;
        end;
@@ -501,9 +501,9 @@ interface
 {$if defined(ARM)}
         instructionset : is_arm;
 {$endif defined(ARM)}
-{$if defined(ARM) or defined(AVR)}
+{$if defined(ARM) or defined(AVR) or defined(MIPSEL)}
         controllertype : ct_none;
-{$endif defined(ARM) or defined(AVR)}
+{$endif defined(ARM) or defined(AVR) or defined(MIPSEL)}
         pmessage : nil;
       );
 
@@ -535,9 +535,9 @@ interface
     function Setoptimizecputype(const s:string;var a:tcputype):boolean;
     function Setcputype(const s:string;var a:tsettings):boolean;
     function SetFpuType(const s:string;var a:tfputype):boolean;
-{$if defined(arm) or defined(avr)}
+{$if defined(arm) or defined(avr) or defined(mipsel)}
     function SetControllerType(const s:string;var a:tcontrollertype):boolean;
-{$endif defined(arm) or defined(avr)}
+{$endif defined(arm) or defined(avr) or defined(mipsel)}
     function IncludeFeature(const s : string) : boolean;
     function SetMinFPConstPrec(const s: string; var a: tfloattype) : boolean;
 
@@ -1176,7 +1176,7 @@ implementation
       end;
 
 
-{$if defined(arm) or defined(avr)}
+{$if defined(arm) or defined(avr) or defined(mipsel)}
     function SetControllerType(const s:string;var a:tcontrollertype):boolean;
       var
         t  : tcontrollertype;
@@ -1192,7 +1192,7 @@ implementation
               break;
             end;
       end;
-{$endif defined(arm) or defined(avr)}
+{$endif defined(arm) or defined(avr) or defined(mipsel)}
 
 
     function IncludeFeature(const s : string) : boolean;

compiler/globtype.pas

@@ -289,10 +289,10 @@ interface
        twpoptimizerswitches = set of twpoptimizerswitch;
 
     type
-       { Used by ARM / AVR to differentiate between specific microcontrollers }
+       { Used by ARM / AVR / MIPSEL to differentiate between specific microcontrollers }
        tcontrollerdatatype = record
           controllertypestr, controllerunitstr: string[20];
-          flashbase, flashsize, srambase, sramsize, eeprombase, eepromsize: dword;
+          flashbase, flashsize, srambase, sramsize, eeprombase, eepromsize, bootbase, bootsize: dword;
        end;
 
        ttargetswitchinfo = record

compiler/mips/cpugas.pas

@@ -103,6 +103,7 @@ unit cpugas;
          Replace(result,'$ABI','-mabi='+abitypestr[mips_abi]);
          { ARCH selection }
          Replace(result,'$ARCH','-march='+lower(cputypestr[current_settings.cputype]));
+//          Replace(result,'$ARCH','-march=pic32mx -mtune=pic32mx');      
       end;
 
 {****************************************************************************}
@@ -380,7 +381,7 @@ unit cpugas;
         idtxt: 'AS';
         asmbin: 'as';
         asmcmd: '$ABI $ARCH $NOWARN -EL $PIC -o $OBJ $EXTRAOPT $ASM';
-        supported_targets: [system_mipsel_linux,system_mipsel_android];
+        supported_targets: [system_mipsel_linux,system_mipsel_android,system_mipsel_embedded];
         flags: [ af_needar, af_smartlink_sections];
         labelprefix: '.L';
         comment: '# ';

compiler/mips/cpuinfo.pas

@@ -38,7 +38,8 @@ Type
        cpu_mips4,
        cpu_mips5,
        cpu_mips32,
-       cpu_mips32r2
+       cpu_mips32r2,
+       cpu_pic32mx
       );
 
    tfputype =(fpu_none,fpu_soft,fpu_mips2,fpu_mips3);
@@ -80,7 +81,8 @@ Const
      { cpu_mips4        } 'MIPS4',
      { cpu_mips5        } 'MIPS5',
      { cpu_mips32       } 'MIPS32',
-     { cpu_mips32r2     } 'MIPS32R2'
+     { cpu_mips32r2     } 'MIPS32R2',
+     { cpu_pic32mx      } 'PIC32MX'
    );
 
    fputypestr : array[tfputype] of string[9] = ('',
@@ -102,6 +104,107 @@ Const
 
    mips_abi : tabitype = abi_default;
 
+{$ifdef MIPSEL}
+type
+   tcpuflags=(CPUMIPS_HAS_XXXX); //Todo: Does this need to be filled?
+
+const
+  cpu_capabilities : array[tcputype] of set of tcpuflags =
+    ( { cpu_none } [],
+      { cpu_mips1 } [],
+      { cpu_mips2 } [],
+      { cpu_mips3 } [],
+      { cpu_mips4 } [],
+      { cpu_mips5 } [],
+      { cpu_mips32 } [],
+      { cpu_mips32r2 } [],
+      { cpu_pic32mx } []
+    );
+
+
+type
+   tcontrollertype =
+     (ct_none,
+      { pic32mx }
+      ct_pic32mx110f016b,
+      ct_pic32mx110f016c,
+      ct_pic32mx110f016d,
+      ct_pic32mx120f032b,
+      ct_pic32mx120f032c,
+      ct_pic32mx120f032d,
+      ct_pic32mx130f064b,
+      ct_pic32mx130f064c,
+      ct_pic32mx130f064d,
+      ct_pic32mx150f128b,
+      ct_pic32mx150f128c,
+      ct_pic32mx150f128d,
+      ct_pic32mx210f016b,
+      ct_pic32mx210f016c,
+      ct_pic32mx210f016d,
+      ct_pic32mx220f032b,
+      ct_pic32mx220f032c,
+      ct_pic32mx220f032d,
+      ct_pic32mx230f064b,
+      ct_pic32mx230f064c,
+      ct_pic32mx230f064d,
+      ct_pic32mx250f128b,
+      ct_pic32mx250f128c,
+      ct_pic32mx250f128d,
+      ct_pic32mx775f256h,
+      ct_pic32mx775f256l,
+      ct_pic32mx775f512h,
+      ct_pic32mx775f512l,
+      ct_pic32mx795f512h,
+      ct_pic32mx795f512l
+     );
+
+    { We know that there are fields after sramsize
+      but we don't care about this warning }
+   {$WARN 3177 OFF}
+const
+   embedded_controllers : array [tcontrollertype] of tcontrollerdatatype =
+   (
+      (controllertypestr:'';		controllerunitstr:'';	flashbase:0;	flashsize:0;	srambase:0;	sramsize:0),
+
+      { PIC32MX1xx Series}
+      (controllertypestr:'PIC32MX110F016B';	controllerunitstr:'PIC32MX1xxFxxxB';	flashbase:$9d000000;	flashsize:$00004000;	srambase:$A0000000;	sramsize:$00001000;  eeprombase:0;   eepromsize:0;    bootbase:$BFC00000;     bootsize:$00000BEF),
+      (controllertypestr:'PIC32MX110F016C';	controllerunitstr:'PIC32MX1xxFxxxC';	flashbase:$9d000000;	flashsize:$00004000;	srambase:$A0000000;	sramsize:$00001000;  eeprombase:0;   eepromsize:0;    bootbase:$BFC00000;     bootsize:$00000BEF),
+      (controllertypestr:'PIC32MX110F016D';	controllerunitstr:'PIC32MX1xxFxxxD';	flashbase:$9d000000;	flashsize:$00004000;	srambase:$A0000000;	sramsize:$00001000;  eeprombase:0;   eepromsize:0;    bootbase:$BFC00000;     bootsize:$00000BEF),
+      (controllertypestr:'PIC32MX120F032B';	controllerunitstr:'PIC32MX1xxFxxxB';	flashbase:$9d000000;	flashsize:$00008000;	srambase:$A0000000;	sramsize:$00002000;  eeprombase:0;   eepromsize:0;    bootbase:$BFC00000;     bootsize:$00000BEF),
+      (controllertypestr:'PIC32MX120F032C';	controllerunitstr:'PIC32MX1xxFxxxC';	flashbase:$9d000000;	flashsize:$00008000;	srambase:$A0000000;	sramsize:$00002000;  eeprombase:0;   eepromsize:0;    bootbase:$BFC00000;     bootsize:$00000BEF),
+      (controllertypestr:'PIC32MX120F032D';	controllerunitstr:'PIC32MX1xxFxxxD';	flashbase:$9d000000;	flashsize:$00008000;	srambase:$A0000000;	sramsize:$00002000;  eeprombase:0;   eepromsize:0;    bootbase:$BFC00000;     bootsize:$00000BEF),
+      (controllertypestr:'PIC32MX130F064B';	controllerunitstr:'PIC32MX1xxFxxxB';	flashbase:$9d000000;	flashsize:$00010000;	srambase:$A0000000;	sramsize:$00004000;  eeprombase:0;   eepromsize:0;    bootbase:$BFC00000;     bootsize:$00000BEF),
+      (controllertypestr:'PIC32MX130F064C';	controllerunitstr:'PIC32MX1xxFxxxC';	flashbase:$9d000000;	flashsize:$00010000;	srambase:$A0000000;	sramsize:$00004000;  eeprombase:0;   eepromsize:0;    bootbase:$BFC00000;     bootsize:$00000BEF),
+      (controllertypestr:'PIC32MX130F064D';	controllerunitstr:'PIC32MX1xxFxxxD';	flashbase:$9d000000;	flashsize:$00010000;	srambase:$A0000000;	sramsize:$00004000;  eeprombase:0;   eepromsize:0;    bootbase:$BFC00000;     bootsize:$00000BEF),
+      (controllertypestr:'PIC32MX150F128B';	controllerunitstr:'PIC32MX1xxFxxxB';	flashbase:$9d000000;	flashsize:$00020000;	srambase:$A0000000;	sramsize:$00008000;  eeprombase:0;   eepromsize:0;    bootbase:$BFC00000;     bootsize:$00000BEF),
+      (controllertypestr:'PIC32MX150F128C';	controllerunitstr:'PIC32MX1xxFxxxC';	flashbase:$9d000000;	flashsize:$00020000;	srambase:$A0000000;	sramsize:$00008000;  eeprombase:0;   eepromsize:0;    bootbase:$BFC00000;     bootsize:$00000BEF),
+      (controllertypestr:'PIC32MX150F128D';	controllerunitstr:'PIC32MX1xxFxxxD';	flashbase:$9d000000;	flashsize:$00020000;	srambase:$A0000000;	sramsize:$00008000;  eeprombase:0;   eepromsize:0;    bootbase:$BFC00000;     bootsize:$00000BEF),
+
+      { PIC32MX2xx Series}
+      (controllertypestr:'PIC32MX210F016B';	controllerunitstr:'PIC32MX2xxFxxxB';	flashbase:$9d000000;	flashsize:$00004000;	srambase:$A0000000;	sramsize:$00001000;  eeprombase:0;   eepromsize:0;    bootbase:$BFC00000;     bootsize:$00000BEF),
+      (controllertypestr:'PIC32MX210F016C';	controllerunitstr:'PIC32MX2xxFxxxC';	flashbase:$9d000000;	flashsize:$00004000;	srambase:$A0000000;	sramsize:$00001000;  eeprombase:0;   eepromsize:0;    bootbase:$BFC00000;     bootsize:$00000BEF),
+      (controllertypestr:'PIC32MX210F016D';	controllerunitstr:'PIC32MX2xxFxxxD';	flashbase:$9d000000;	flashsize:$00004000;	srambase:$A0000000;	sramsize:$00001000;  eeprombase:0;   eepromsize:0;    bootbase:$BFC00000;     bootsize:$00000BEF),
+      (controllertypestr:'PIC32MX220F032B';	controllerunitstr:'PIC32MX2xxFxxxB';	flashbase:$9d000000;	flashsize:$00008000;	srambase:$A0000000;	sramsize:$00002000;  eeprombase:0;   eepromsize:0;    bootbase:$BFC00000;     bootsize:$00000BEF),
+      (controllertypestr:'PIC32MX220F032C';	controllerunitstr:'PIC32MX2xxFxxxC';	flashbase:$9d000000;	flashsize:$00008000;	srambase:$A0000000;	sramsize:$00002000;  eeprombase:0;   eepromsize:0;    bootbase:$BFC00000;     bootsize:$00000BEF),
+      (controllertypestr:'PIC32MX220F032D';	controllerunitstr:'PIC32MX2xxFxxxD';	flashbase:$9d000000;	flashsize:$00008000;	srambase:$A0000000;	sramsize:$00002000;  eeprombase:0;   eepromsize:0;    bootbase:$BFC00000;     bootsize:$00000BEF),
+      (controllertypestr:'PIC32MX230F064B';	controllerunitstr:'PIC32MX2xxFxxxB';	flashbase:$9d000000;	flashsize:$00010000;	srambase:$A0000000;	sramsize:$00004000;  eeprombase:0;   eepromsize:0;    bootbase:$BFC00000;     bootsize:$00000BEF),
+      (controllertypestr:'PIC32MX230F064C';	controllerunitstr:'PIC32MX2xxFxxxC';	flashbase:$9d000000;	flashsize:$00010000;	srambase:$A0000000;	sramsize:$00004000;  eeprombase:0;   eepromsize:0;    bootbase:$BFC00000;     bootsize:$00000BEF),
+      (controllertypestr:'PIC32MX230F064D';	controllerunitstr:'PIC32MX2xxFxxxD';	flashbase:$9d000000;	flashsize:$00010000;	srambase:$A0000000;	sramsize:$00004000;  eeprombase:0;   eepromsize:0;    bootbase:$BFC00000;     bootsize:$00000BEF),
+      (controllertypestr:'PIC32MX250F128B';	controllerunitstr:'PIC32MX2xxFxxxB';	flashbase:$9d000000;	flashsize:$00020000;	srambase:$A0000000;	sramsize:$00008000;  eeprombase:0;   eepromsize:0;    bootbase:$BFC00000;     bootsize:$00000BEF),
+      (controllertypestr:'PIC32MX250F128C';	controllerunitstr:'PIC32MX2xxFxxxC';	flashbase:$9d000000;	flashsize:$00020000;	srambase:$80000000;	sramsize:$00008000;  eeprombase:0;   eepromsize:0;    bootbase:$BFC00000;     bootsize:$00000BEF),
+      (controllertypestr:'PIC32MX250F128D';	controllerunitstr:'PIC32MX2xxFxxxD';	flashbase:$9d000000;	flashsize:$00020000;	srambase:$A0000000;	sramsize:$00008000;  eeprombase:0;   eepromsize:0;    bootbase:$BFC00000;     bootsize:$00000BEF),
+
+      { PIC32MX7x5 Series}
+      (controllertypestr:'PIC32MX775F256H';	controllerunitstr:'PIC32MX7x5FxxxH';	flashbase:$9d000000;	flashsize:$00040000;	srambase:$A0000000;	sramsize:$00010000;  eeprombase:0;   eepromsize:0;    bootbase:$BFC00000;     bootsize:$00002FEF),
+      (controllertypestr:'PIC32MX775F256L';	controllerunitstr:'PIC32MX7x5FxxxL';	flashbase:$9d000000;	flashsize:$00040000;	srambase:$A0000000;	sramsize:$00010000;  eeprombase:0;   eepromsize:0;    bootbase:$BFC00000;     bootsize:$00002FEF),
+      (controllertypestr:'PIC32MX775F512H';	controllerunitstr:'PIC32MX7x5FxxxH';	flashbase:$9d000000;	flashsize:$00080000;	srambase:$A0000000;	sramsize:$00010000;  eeprombase:0;   eepromsize:0;    bootbase:$BFC00000;     bootsize:$00002FEF),
+      (controllertypestr:'PIC32MX775F512L';	controllerunitstr:'PIC32MX7x5FxxxL';	flashbase:$9d000000;	flashsize:$00080000;	srambase:$A0000000;	sramsize:$00010000;  eeprombase:0;   eepromsize:0;    bootbase:$BFC00000;     bootsize:$00002FEF),
+      (controllertypestr:'PIC32MX795F512H';	controllerunitstr:'PIC32MX7x5FxxxH';	flashbase:$9d000000;	flashsize:$00080000;	srambase:$A0000000;	sramsize:$00020000;  eeprombase:0;   eepromsize:0;    bootbase:$BFC00000;     bootsize:$00002FEF),
+      (controllertypestr:'PIC32MX795F512L';	controllerunitstr:'PIC32MX7x5FxxxL';	flashbase:$9d000000;	flashsize:$00080000;	srambase:$A0000000;	sramsize:$00020000;  eeprombase:0;   eepromsize:0;    bootbase:$BFC00000;     bootsize:$00002FEF)
+  );
+
+{$endif MIPSEL}
+
    { Supported optimizations, only used for information }
    supported_optimizerswitches = [cs_opt_regvar,cs_opt_loopunroll,cs_opt_nodecse,
                                   cs_opt_reorder_fields,cs_opt_fastmath];

compiler/mips/cputarg.pas

@@ -51,6 +51,9 @@ implementation
         ,t_android
       {$endif MIPSEL}
     {$endif}
+    {$ifndef NOTARGETEMBEDDED}
+      ,t_embed
+    {$endif}
 
 {**************************************
              Assemblers

compiler/mips/hlcgcpu.pas

@@ -93,7 +93,7 @@ implementation
     begin
       cgsubsetsize:=def_cgsize(subsetsize);
       cgtosize:=def_cgsize(tosize);
-      if (current_settings.cputype<>cpu_mips32r2) then
+      if (current_settings.cputype<>cpu_mips32r2) and (current_settings.cputype<>cpu_pic32mx) then
         inherited a_load_subsetreg_reg(list,subsetsize,tosize,sreg,destreg)
       else if (sreg.bitlen>32) then
         InternalError(2013070201)
@@ -121,7 +121,7 @@ implementation
 
   procedure thlcgmips.a_load_regconst_subsetreg_intern(list: TAsmList; fromsize, subsetsize: tdef; fromreg: tregister; const sreg: tsubsetregister; slopt: tsubsetloadopt);
     begin
-      if (current_settings.cputype<>cpu_mips32r2) then
+      if (current_settings.cputype<>cpu_mips32r2)  and (current_settings.cputype<>cpu_pic32mx) then
         inherited a_load_regconst_subsetreg_intern(list,fromsize,subsetsize,fromreg,sreg,slopt)
       else if (sreg.bitlen>32) then
         InternalError(2013070202)

compiler/mips/opcode.inc

@@ -188,4 +188,5 @@ A_MFC0,
 A_MTC0,
 A_SDBBP,
 A_WRPGPR,
+A_ERET,
 A_END_DEF

compiler/mips/strinst.inc

@@ -188,4 +188,5 @@
 'mtc0',
 'sdbbp',
 'wrpgpr',
+'eret',
 'end_def'

compiler/options.pas

@@ -193,9 +193,9 @@ var
   wpopt: twpoptimizerswitch;
   abi : tabi;
   asmmode : tasmmode;
-{$if defined(arm) or defined(avr)}
+{$if defined(arm) or defined(avr) or defined(mipsel)}
   controllertype : tcontrollertype;
-{$endif defined(arm) or defined(avr)}
+{$endif defined(arm) or defined(avr) or defined(mipsel)}
 begin
   p:=MessagePchar(option_info);
   while assigned(p) do
@@ -332,7 +332,7 @@ begin
       end
      else if pos('$CONTROLLERTYPES',s)>0 then
       begin
-        {$if defined(arm) or defined(avr)}
+        {$if defined(arm) or defined(avr) or defined(mipsel)}
         hs1:='';
         for controllertype:=low(tcontrollertype) to high(tcontrollertype) do
           begin
@@ -356,8 +356,8 @@ begin
             Comment(V_Normal,hs);
             hs1:=''
           end;
-        {$else defined(arm) or defined(avr)}
-        {$endif defined(arm) or defined(avr)}
+        {$else defined(arm) or defined(avr) or defined(mipsel)}
+        {$endif defined(arm) or defined(avr) or defined(mipsel)}
       end
      else
       Comment(V_Normal,s);
@@ -1954,7 +1954,7 @@ begin
                       end;
                     'p':
                       begin
-{$if defined(arm) or defined(avr)}
+{$if defined(arm) or defined(avr) or defined(mipsel)}
                         if (target_info.system in systems_embedded) then
                           begin
                             s:=upper(copy(more,j+1,length(more)-j));
@@ -1963,7 +1963,7 @@ begin
                             break;
                           end
                         else
-{$endif defined(arm) or defined(avr)}
+{$endif defined(arm) or defined(avr) or defined(mipsel)}
                           IllegalPara(opt);
                       end;
                     'P':
@@ -3126,6 +3126,8 @@ begin
           heapsize:=128;
         system_arm_embedded:
           heapsize:=256;
+        system_mipsel_embedded:
+          heapsize:=256;
         else
           heapsize:=256;
       end;

compiler/pmodules.pas

@@ -374,11 +374,11 @@ implementation
           end;
 
         { CPU targets with microcontroller support can add a controller specific unit }
-{$if defined(ARM) or defined(AVR)}
+{$if defined(ARM) or defined(AVR) or defined(MIPSEL)}
         if (target_info.system in systems_embedded) and (current_settings.controllertype<>ct_none) and
           (embedded_controllers[current_settings.controllertype].controllerunitstr<>'') then
           AddUnit(embedded_controllers[current_settings.controllertype].controllerunitstr);
-{$endif ARM}
+{$endif ARM AVR MIPSEL}
       end;
 
 

compiler/pstatmnt.pas

@@ -1452,7 +1452,7 @@ implementation
                  current_procinfo.framepointer:=NR_STACK_POINTER_REG;
                end;
            end;
-{$endif not(defined(sparc)) and not(defined(arm)) and not(defined(avr))}
+{$endif not(defined(sparc)) and not(defined(arm)) and not(defined(avr)) not(defined(mipsel))}
 
         { Flag the result as assigned when it is returned in a
           register.

compiler/scanner.pas

@@ -2932,9 +2932,9 @@ type
             minfpconstprec:=tfloattype(tokenreadenum(sizeof(tfloattype)));
 
             disabledircache:=boolean(tokenreadbyte);
-{$if defined(ARM) or defined(AVR)}
+{$if defined(ARM) or defined(AVR) or defined(MIPSEL)}
             controllertype:=tcontrollertype(tokenreadenum(sizeof(tcontrollertype)));
-{$endif defined(ARM) or defined(AVR)}
+{$endif defined(ARM) or defined(AVR) or DEFINED(MIPSEL)}
            endpos:=replaytokenbuf.pos;
            if endpos-startpos<>expected_size then
              Comment(V_Error,'Wrong size of Settings read-in');
@@ -3001,9 +3001,9 @@ type
             tokenwriteenum(minfpconstprec,sizeof(tfloattype));
 
             recordtokenbuf.write(byte(disabledircache),1);
-{$if defined(ARM) or defined(AVR)}
+{$if defined(ARM) or defined(AVR) or defined(MIPSEL)}
             tokenwriteenum(controllertype,sizeof(tcontrollertype));
-{$endif defined(ARM) or defined(AVR)}
+{$endif defined(ARM) or defined(AVR) or defined(MIPSEL)}
            endpos:=recordtokenbuf.pos;
            size:=endpos-startpos;
            recordtokenbuf.seek(sizepos);

compiler/systems.inc

@@ -160,7 +160,9 @@
              system_arm_android,        { 77 }
              system_i386_android,       { 78 }
              system_i8086_msdos,        { 79 }
-             system_mipsel_android      { 80 }
+             system_mipsel_android,     { 80 }
+             system_mipseb_embedded,    { 81 }
+             system_mipsel_embedded     { 82 }
        );
 
      type

compiler/systems.pas

@@ -254,7 +254,7 @@ interface
                            system_iA64_embedded,system_x86_64_embedded,
                            system_mips_embedded,system_arm_embedded,
                            system_powerpc64_embedded,system_avr_embedded,
-                           system_jvm_java32];
+                           system_jvm_java32,system_mipseb_embedded,system_mipsel_embedded];
 
        { all systems that allow section directive }
        systems_allow_section = systems_embedded;

compiler/systems/i_embed.pas

@@ -154,6 +154,69 @@ unit i_embed;
             abi : abi_default
           );
 
+       system_mipsel_embedded_info : tsysteminfo =
+          (
+            system       : system_mipsel_embedded;
+            name         : 'Embedded';
+            shortname    : 'embedded';
+            flags        : [tf_needs_symbol_size,tf_needs_symbol_type,tf_files_case_sensitive,
+                            tf_smartlink_sections];
+            cpu          : cpu_mipsel;
+            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_gas;
+            assemextern  : as_gas;
+            link         : ld_none;
+            linkextern   : ld_embedded;
+            ar           : ar_gnu_ar;
+            res          : res_none;
+            dbg          : dbg_dwarf2;
+            script       : script_unix;
+            endian       : endian_little;
+            alignment    :
+              (
+                procalign       : 4;
+                loopalign       : 4;
+                jumpalign       : 0;
+                constalignmin   : 0;
+                constalignmax   : 4;
+                varalignmin     : 0;
+                varalignmax     : 4;
+                localalignmin   : 4;
+                localalignmax   : 8;
+                recordalignmin  : 0;
+                recordalignmax  : 8;
+                maxCrecordalign : 4
+              );
+            first_parm_offset : 0;
+            stacksize    : 262144;
+            stackalign   : 8;
+            abi : abi_default
+          );
+
        system_i386_embedded_info : tsysteminfo =
           (
             system       : system_i386_embedded;
@@ -230,6 +293,11 @@ initialization
     set_source_info(system_avr_embedded_info);
   {$endif embedded}
 {$endif CPUAVR}
+{$ifdef CPUMIPSEL}
+  {$ifdef embedded}
+    set_source_info(system_mipsel_embedded_info);
+  {$endif embedded}
+{$endif CPUMIPSEL}
 {$ifdef CPUI386}
   {$ifdef embedded}
     set_source_info(system_i386_embedded_info);

compiler/systems/t_embed.pas

@@ -61,10 +61,20 @@ end;
 
 
 procedure TlinkerEmbedded.SetDefaultInfo;
+const
+{$ifdef mips}
+  {$ifdef mipsel}
+    platform_select='-EL';
+  {$else}
+    platform_select='-EB';
+  {$endif}
+{$else}
+  platform_select='';
+{$endif}
 begin
   with Info do
    begin
-     ExeCmd[1]:='ld -g $OPT $DYNLINK $STATIC $GCSECTIONS $STRIP -L. -o $EXE -T $RES';
+     ExeCmd[1]:='ld -g '+platform_select+' $OPT $DYNLINK $STATIC $GCSECTIONS $STRIP -L. -o $EXE -T $RES';
    end;
 end;
 
@@ -80,13 +90,13 @@ Var
   linklibc : boolean;
   found1,
   found2   : boolean;
-{$ifdef ARM}
+{$if defined(ARM) or defined(MIPSEL)}
   LinkStr  : string;
 {$endif}
 begin
   WriteResponseFile:=False;
   linklibc:=(SharedLibFiles.Find('c')<>nil);
-{$if defined(ARM) or defined(i386) or defined(AVR)}
+{$if defined(ARM) or defined(i386) or defined(AVR) or defined(MIPSEL)}
   prtobj:='';
 {$else}
   prtobj:='prt0';
@@ -125,6 +135,7 @@ begin
       s:=FindObjectFile(prtobj,'',false);
       LinkRes.AddFileName(s);
     end;
+
   { try to add crti and crtbegin if linking to C }
   if linklibc then
    begin
@@ -793,6 +804,197 @@ begin
     end;
 {$endif AVR}
 
+{$ifdef MIPSEL}
+  case current_settings.controllertype of
+      ct_none:
+           begin
+           end;
+      ct_pic32mx110f016b,
+      ct_pic32mx110f016c,
+      ct_pic32mx110f016d,
+      ct_pic32mx120f032b,
+      ct_pic32mx120f032c,
+      ct_pic32mx120f032d,
+      ct_pic32mx130f064b,
+      ct_pic32mx130f064c,
+      ct_pic32mx130f064d,
+      ct_pic32mx150f128b,
+      ct_pic32mx150f128c,
+      ct_pic32mx150f128d,
+      ct_pic32mx210f016b,
+      ct_pic32mx210f016c,
+      ct_pic32mx210f016d,
+      ct_pic32mx220f032b,
+      ct_pic32mx220f032c,
+      ct_pic32mx220f032d,
+      ct_pic32mx230f064b,
+      ct_pic32mx230f064c,
+      ct_pic32mx230f064d,
+      ct_pic32mx250f128b,
+      ct_pic32mx250f128c,
+      ct_pic32mx250f128d,
+      ct_pic32mx775f256h,
+      ct_pic32mx775f256l,
+      ct_pic32mx775f512h,
+      ct_pic32mx775f512l,
+      ct_pic32mx795f512h,
+      ct_pic32mx795f512l:
+        begin
+         with embedded_controllers[current_settings.controllertype] do
+          with linkres do
+            begin
+              Add('OUTPUT_FORMAT("elf32-tradlittlemips")');
+              Add('OUTPUT_ARCH(pic32mx)');
+              Add('ENTRY(_reset)');
+              Add('PROVIDE(_vector_spacing = 0x00000001);');
+              Add('_ebase_address = 0x'+IntToHex(flashbase,8)+';');
+              Add('_RESET_ADDR              = 0xBFC00000;');
+              Add('_BEV_EXCPT_ADDR          = 0xBFC00380;');
+              Add('_DBG_EXCPT_ADDR          = 0xBFC00480;');
+              Add('_GEN_EXCPT_ADDR          = _ebase_address + 0x180;');
+              Add('MEMORY');
+              Add('{');
+              if flashsize<>0 then
+                begin
+                  Add('  kseg0_program_mem          : ORIGIN = 0x'+IntToHex(flashbase,8)+', LENGTH = 0x'+IntToHex(flashsize,8));
+                  //TODO This should better be placed into the controllertype records
+                  Add('  kseg1_boot_mem             : ORIGIN = 0xBFC00000, LENGTH = 0xbef');
+                  Add('  config3                    : ORIGIN = 0xBFC00BF0, LENGTH = 0x4');
+                  Add('  config2                    : ORIGIN = 0xBFC00BF4, LENGTH = 0x4');
+                  Add('  config1                    : ORIGIN = 0xBFC00BF8, LENGTH = 0x4');
+                  Add('  config0                    : ORIGIN = 0xBFC00BFC, LENGTH = 0x4');
+                end;
+
+              Add('  ram                        : ORIGIN = 0x' + IntToHex(srambase,8)
+              	+ ', LENGTH = 0x' + IntToHex(sramsize,8));
+
+              Add('}');
+              Add('_stack_top = 0x' + IntToHex(sramsize+srambase,8) + ';');
+            end;
+        end
+    else
+      if not (cs_link_nolink in current_settings.globalswitches) then
+      	 internalerror(200902011);
+  end;
+
+  with linkres do
+    begin
+      Add('SECTIONS');
+      Add('{');
+      Add('    .reset _RESET_ADDR :');
+      Add('    {');
+      Add('      KEEP(*(.reset .reset.*))');
+      Add('      KEEP(*(.startup .startup.*))');
+      Add('    } > kseg1_boot_mem');
+      Add('    .bev_excpt _BEV_EXCPT_ADDR :');
+      Add('    {');
+      Add('      KEEP(*(.bev_handler))');
+      Add('    } > kseg1_boot_mem');
+
+      Add('    .text :');
+      Add('    {');
+      Add('    _text_start = .;');
+      Add('    . = _text_start + 0x180;');
+      Add('    KEEP(*(.gen_handler))');
+      Add('    . = _text_start + 0x200;');
+      Add('    KEEP(*(.init .init.*))');
+      Add('    *(.text .text.*)');
+      Add('    *(.strings)');
+      Add('    *(.rodata .rodata.*)');
+      Add('    *(.comment)');
+      Add('    _etext = .;');
+      if embedded_controllers[current_settings.controllertype].flashsize<>0 then
+        begin
+          Add('    } >kseg0_program_mem');
+        end
+      else
+        begin
+          Add('    } >ram');
+        end;
+      Add('    .note.gnu.build-id : { *(.note.gnu.build-id) }');
+
+      Add('    .data :');
+      Add('    {');
+      Add('    _data = .;');
+      Add('    *(.data .data.*)');
+      Add('    KEEP (*(.fpc .fpc.n_version .fpc.n_links))');
+      Add('    . = .;');
+      Add('    _gp = ALIGN(16) + 0x7ff0;');
+      Add('    _edata = .;');
+      if embedded_controllers[current_settings.controllertype].flashsize<>0 then
+        begin
+          Add('    } >ram AT >kseg0_program_mem');
+        end
+      else
+        begin
+          Add('    } >ram');
+        end;
+      Add('  .config_BFC00BF0 : {');
+      Add('    KEEP(*(.config_BFC00BF0))');
+      Add('  } > config3');
+      Add('  .config_BFC00BF4 : {');
+      Add('    KEEP(*(.config_BFC00BF4))');
+      Add('  } > config2');
+      Add('  .config_BFC00BF8 : {');
+      Add('    KEEP(*(.config_BFC00BF8))');
+      Add('  } > config1');
+      Add('  .config_BFC00BFC : {');
+      Add('    KEEP(*(.config_BFC00BFC))');
+      Add('  } > config0');
+      Add('    .bss :');
+      Add('    {');
+      Add('    _bss_start = .;');
+      Add('    *(.bss, .bss.*)');
+      Add('    *(COMMON)');
+      Add('    } >ram');
+      Add('. = ALIGN(4);');
+      Add('_bss_end = . ;');
+      Add('  .comment       0 : { *(.comment) }');
+      Add('  /* DWARF debug sections.');
+      Add('     Symbols in the DWARF debugging sections are relative to the beginning');
+      Add('     of the section so we begin them at 0.  */');
+      Add('  /* DWARF 1 */');
+      Add('  .debug          0 : { *(.debug) }');
+      Add('  .line           0 : { *(.line) }');
+      Add('  /* GNU DWARF 1 extensions */');
+      Add('  .debug_srcinfo  0 : { *(.debug_srcinfo) }');
+      Add('  .debug_sfnames  0 : { *(.debug_sfnames) }');
+      Add('  /* DWARF 1.1 and DWARF 2 */');
+      Add('  .debug_aranges  0 : { *(.debug_aranges) }');
+      Add('  .debug_pubnames 0 : { *(.debug_pubnames) }');
+      Add('  /* DWARF 2 */');
+      Add('  .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }');
+      Add('  .debug_abbrev   0 : { *(.debug_abbrev) }');
+      Add('  /DISCARD/         : { *(.debug_line) }');
+      Add('  .debug_frame    0 : { *(.debug_frame) }');
+      Add('  .debug_str      0 : { *(.debug_str) }');
+      Add('  /DISCARD/         : { *(.debug_loc) }');
+      Add('  .debug_macinfo  0 : { *(.debug_macinfo) }');
+      Add('  /* SGI/MIPS DWARF 2 extensions */');
+      Add('  .debug_weaknames 0 : { *(.debug_weaknames) }');
+      Add('  .debug_funcnames 0 : { *(.debug_funcnames) }');
+      Add('  .debug_typenames 0 : { *(.debug_typenames) }');
+      Add('  .debug_varnames  0 : { *(.debug_varnames) }');
+      Add('  /* DWARF 3 */');
+      Add('  .debug_pubtypes 0 : { *(.debug_pubtypes) }');
+      Add('  .debug_ranges   0 : { *(.debug_ranges) }');
+      Add('  .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }');
+      Add('  .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }');
+      Add('  .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }');
+      Add('  .mdebug.abi32 : { KEEP(*(.mdebug.abi32)) }');
+      Add('  .mdebug.abiN32 : { KEEP(*(.mdebug.abiN32)) }');
+      Add('  .mdebug.abi64 : { KEEP(*(.mdebug.abi64)) }');
+      Add('  .mdebug.abiO64 : { KEEP(*(.mdebug.abiO64)) }');
+      Add('  .mdebug.eabi32 : { KEEP(*(.mdebug.eabi32)) }');
+      Add('  .mdebug.eabi64 : { KEEP(*(.mdebug.eabi64)) }');
+      Add('  /DISCARD/ : { *(.rel.dyn) }');
+      Add('  /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }');
+      Add('}');
+      Add('_end = .;');
+    end;
+{$endif MIPSEL}
+
+
   { Write and Close response }
   linkres.writetodisk;
   linkres.free;
@@ -856,7 +1058,7 @@ begin
   if success and not(cs_link_nolink in current_settings.globalswitches) then
     success:=PostProcessExecutable(current_module.exefilename+'.elf',false);
 
-  if success and (target_info.system in [system_arm_embedded,system_avr_embedded]) then
+  if success and (target_info.system in [system_arm_embedded,system_avr_embedded,system_mipsel_embedded]) then
     begin
       success:=DoExec(FindUtil(utilsprefix+'objcopy'),'-O ihex '+
         ChangeFileExt(current_module.exefilename,'.elf')+' '+
@@ -1047,4 +1249,10 @@ initialization
   RegisterLinker(ld_embedded,TLinkerEmbedded);
   RegisterTarget(system_i386_embedded_info);
 {$endif i386}
+
+{$ifdef mipsel}
+  RegisterLinker(ld_embedded,TLinkerEmbedded);
+  RegisterTarget(system_mipsel_embedded_info);
+{$endif mipsel}
+
 end.

compiler/utils/ppuutils/ppudump.pp

@@ -162,7 +162,9 @@ const
   { 77 }  'Android-arm',
   { 78 }  'Android-i386',
   { 79 }  'MSDOS-i8086',
-  { 79 }  'Android-MIPSel'
+  { 80 }  'Android-MIPSel',
+  { 81 }  'Embedded-mipseb',
+  { 82 }  'Embedded-mipsel'
   );
 
 const
@@ -1097,9 +1099,9 @@ end;
          disabledircache : boolean;
 
         { CPU targets with microcontroller support can add a controller specific unit }
-{$if defined(ARM) or defined(AVR)}
+{$if defined(ARM) or defined(AVR) or defined(MIPSEL)}
         controllertype   : tcontrollertype;
-{$endif defined(ARM) or defined(AVR)}
+{$endif defined(ARM) or defined(AVR) or defined(MIPSEL)}
          { WARNING: this pointer cannot be written as such in record token }
          pmessage : pmessagestaterecord;
        end;

rtl/embedded/Makefile.fpc

@@ -6,7 +6,9 @@
 main=rtl
 
 [target]
-loaders=
+loaders=$(LOADERS)
+
+
 # not all targets include enough features to build all units so
 # the common units which are not compiled for all CPUs are stored in
 # CPU_SPECIFIC_COMMON_UNITS
@@ -44,6 +46,12 @@ PROCINC=$(RTL)/$(CPU_TARGET)
 UNITPREFIX=rtl
 SYSTEMUNIT=system
 override [email protected]
+LOADERS=
+ifeq ($(ARCH),mipsel)
+ifeq ($(SUBARCH),pic32mx)
+override LOADERS=startup
+endif
+endif
 
 ifdef RELEASE
 override FPCOPT+=-Ur
@@ -80,6 +88,12 @@ ifeq ($(ARCH),i386)
 CPU_UNITS=multiboot
 endif
 
+ifeq ($(ARCH),mipsel)
+ifeq ($(SUBARCH),pic32mx)
+  CPU_UNITS=pic32mx1xxfxxxb pic32mx2xxfxxxb pic32mx1xxfxxxc pic32mx2xxfxxxc pic32mx1xxfxxxd pic32mx2xxfxxxd pic32mx7x5fxxxl pic32mx7x5fxxxh
+endif
+endif
+
 # Paths
 OBJPASDIR=$(RTL)/objpas
 GRAPHDIR=$(INC)/graph
@@ -101,6 +115,12 @@ SYSCPUDEPS=$(addprefix $(PROCINC)/,$(CPUINCNAMES))
 # Put system unit dependencies together.
 SYSDEPS=$(SYSINCDEPS) $(SYSCPUDEPS)
 
+#
+# Loaders
+#
+
+startup$(OEXT) : $(CPU_TARGET)/startup.s
+        $(AS) $(ASTARGET) -o $(UNITTARGETDIRPREFIX)startup$(OEXT) $(CPU_TARGET)/startup.s  -mabi=32 -march=pic32mx -mtune=pic32mx -W -EL  -msym32
 
 #
 # Base Units (System, strings, os-dependent-base-unit)

rtl/embedded/rtl.cfg

@@ -49,3 +49,18 @@
 -SfRANDOM
 #endif CPUARM
 
+# mipsel is powerful enough to handle most object pascal constructs
+# it is only a matter of size
+#ifdef CPUMIPSEL
+-SfSOFTFPU
+-SfCLASSES
+-SfEXCEPTIONS
+-SfANSISTRINGS
+-SfRTTI
+-SfWIDESTRINGS
+-SfDYNARRAYS
+-SfVARIANTS
+-SfCOMMANDARGS
+-SfRANDOM
+#endif CPUMIPSEL
+

utils/fpcm/fpcmake.ini

@@ -272,6 +272,14 @@ endif
 override FPCOPT+=-Cp$(SUBARCH)
 endif
 
+ifeq ($(FULL_TARGET),mipsel-embedded)
+ifeq ($(SUBARCH),)
+# we don't add a default here, people should explicitly add the SUBARCH
+$(error When compiling for mipsel-embedded, a sub-architecture (e.g. SUBARCH=pic32mx) must be defined)
+endif
+override FPCOPT+=-Cp$(SUBARCH)
+endif
+
 # Full name of the target, including CPU and OS. For OSs limited
 # to 8.3 we only use the target OS
 ifneq ($(findstring $(OS_SOURCE),$(LIMIT83fs)),)

utils/fpcm/fpcmmain.pp

@@ -138,7 +138,7 @@ interface
         { wince    }( true,  false, false, false, false, true,  false, false, false, false, false, false, false, false,   false, false),
         { gba    }  ( false, false, false, false, false, true,  false, false, false, false, false, false, false, false,   false, false),
         { nds    }  ( false, false, false, false, false, true,  false, false, false, false, false, false, false, false,   false, false),
-        { embedded }( true,  true,  true,  true,  true,  true,  true,  true,  true , false, false, false, false, false,   false, false),
+        { embedded }( true,  true,  true,  true,  true,  true,  true,  true,  true , false, false, true , false, false,   false, false),
         { symbian } ( true,  false, false, false, false, true,  false, false, false, false, false, false, false, false,   false, false),
         { nativent }( true,  false, false, false, false, false, false, false, false, false, false, false, false, false,   false, false),
         { iphonesim }( true, false, false, false, false, false, false, false, false, false, false, false, false, false,   false, false),