{
    $Id$
    Copyright (c) 1998-2002 by the Free Pascal development team

    Basic Processor information for the PowerPC

    See the file COPYING.FPC, included in this distribution,
    for details about the copyright.

    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.

 **********************************************************************}

Unit CPUInfo;

Interface

  uses
    globtype;

Type
   { Architecture word - Native unsigned type }
   AWord  = Longword;
   AInt = Longint;
   PAWord = ^AWord;

   { this must be an ordinal type with the same size as a pointer }
   { to allow some dirty type casts for example when using        }
   { tconstsym.value                                              }
   { Note: must be unsigned!! Otherwise, ugly code like           }
   { pointer(-1) will result in a pointer with the value          }
   { $fffffffffffffff on a 32bit machine if the compiler uses     }
   { int64 constants internally (JM)                              }
   TConstPtrUInt = Longword;

   bestreal = double;
   ts32real = single;
   ts64real = double;
   ts80real = extended;
   ts128real = extended;
   ts64comp = comp;

   pbestreal=^bestreal;

   { possible supported processors for this target }
   tprocessors =
      (no_processor,
       ppc601,
       ppc604
      );

   tfputype =
     (no_fpuprocessor,
      fpu_soft,
      fpu_standard
     );


Const
   {# Size of native extended floating point type }
   extended_size = 8;
   {# Size of a pointer                           }
   pointer_size  = 4;
   {# Size of a multimedia register               }
   mmreg_size = 16;
   { target cpu string (used by compiler options) }
   target_cpu_string = 'powerpc';
   { size of the buffer used for setjump/longjmp
     the size of this buffer is deduced from the
     jmp_buf structure in setjumph.inc file
   }
   { for linux: }
   jmp_buf_size = 232;

   { calling conventions supported by the code generator }
   supported_calling_conventions = [
     pocall_internproc,
     pocall_compilerproc,
     pocall_inline,
     pocall_stdcall,
     { the difference to stdcall is only the name mangling }
     pocall_cdecl,
     { the difference to stdcall is only the name mangling }
     pocall_cppdecl
   ];

   processorsstr : array[tprocessors] of string[10] = ('',
     '603',
     '604'
   );

   fputypestr : array[tfputype] of string[6] = ('',
     'SOFT',
     'STANDARD'
   );

Implementation

end.
{
  $Log$
  Revision 1.17  2004-02-27 10:21:05  florian
    * top_symbol killed
    + refaddr to treference added
    + refsymbol to treference added
    * top_local stuff moved to an extra record to save memory
    + aint introduced
    * tppufile.get/putint64/aint implemented

  Revision 1.16  2003/11/12 16:05:40  florian
    * assembler readers OOPed
    + typed currency constants
    + typed 128 bit float constants if the CPU supports it

  Revision 1.15  2003/11/07 15:58:33  florian
    * Florian's culmutative nr. 1; contains:
      - invalid calling conventions for a certain cpu are rejected
      - arm softfloat calling conventions
      - -Sp for cpu dependend code generation
      - several arm fixes
      - remaining code for value open array paras on heap

  Revision 1.14  2003/09/03 11:18:37  florian
    * fixed arm concatcopy
    + arm support in the common compiler sources added
    * moved some generic cg code around
    + tfputype added
    * ...

  Revision 1.13  2003/04/26 20:15:22  florian
    * fixed setjmp record size

  Revision 1.12  2002/09/07 20:57:08  carl
    * cardinal -> longword

  Revision 1.11  2002/09/07 15:25:14  peter
    * old logs removed and tabs fixed

  Revision 1.10  2002/08/15 15:15:55  carl
    * jmpbuf size allocation for exceptions is now cpu specific (as it should)
    * more generic nodes for maths
    * several fixes for better m68k support

  Revision 1.9  2002/08/12 15:08:44  carl
    + stab register indexes for powerpc (moved from gdb to cpubase)
    + tprocessor enumeration moved to cpuinfo
    + linker in target_info is now a class
    * many many updates for m68k (will soon start to compile)
    - removed some ifdef or correct them for correct cpu

  Revision 1.8  2002/08/10 14:52:52  carl
    + moved target_cpu_string to cpuinfo
    * renamed asmmode enum.
    * assembler reader has now less ifdef's
    * move from nppcmem.pas -> ncgmem.pas vec. node.

  Revision 1.7  2002/05/18 13:34:26  peter
    * readded missing revisions

  Revision 1.6  2002/05/16 19:46:53  carl
  + defines.inc -> fpcdefs.inc to avoid conflicts if compiling by hand
  + try to fix temp allocation (still in ifdef)
  + generic constructor calls
  + start of tassembler / tmodulebase class cleanup

  Revision 1.4  2002/05/13 19:52:46  peter
    * a ppcppc can be build again

  Revision 1.3  2002/04/07 13:43:11  carl
  - moved type constant

}