Annotation of gforth/arch/generic/machine.h, revision 1.23

1.1       jwilke      1: /*
                      2:   This is a generic file for 32-bit machines with IEEE FP arithmetic (no VMS).
                      3:   It only supports indirect threading.
                      4: 
1.20      anton       5:   Copyright (C) 1995,1998,1999,2003 Free Software Foundation, Inc.
1.1       jwilke      6: 
                      7:   This file is part of Gforth.
                      8: 
                      9:   Gforth is free software; you can redistribute it and/or
                     10:   modify it under the terms of the GNU General Public License
                     11:   as published by the Free Software Foundation; either version 2
                     12:   of the License, or (at your option) any later version.
                     13: 
                     14:   This program is distributed in the hope that it will be useful,
                     15:   but WITHOUT ANY WARRANTY; without even the implied warranty of
                     16:   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     17:   GNU General Public License for more details.
                     18: 
                     19:   You should have received a copy of the GNU General Public License
                     20:   along with this program; if not, write to the Free Software
1.12      anton      21:   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
1.1       jwilke     22: */
                     23: 
1.2       pazsan     24: /* define SYSCALL */
                     25: 
                     26: #ifndef SYSCALL
                     27: #define SYSCALL
                     28: #endif
                     29: 
1.6       pazsan     30: #ifndef SYSSIGNALS
                     31: #define SYSSIGNALS
                     32: #endif
                     33: 
1.1       jwilke     34: #ifndef USE_FTOS
                     35: #ifndef USE_NO_FTOS
                     36: /* keep top of FP stack in register. Since most processors have FP
                     37:    registers and they are hardly used in gforth, this is usually a
                     38:    good idea.  The 88100 has no separate FP regs, but many general
                     39:    purpose regs, so it should be ok */
                     40: #define USE_FTOS
                     41: #endif
                     42: #endif
1.23    ! anton      43: 
        !            44: #ifndef USE_TOS
        !            45: #ifndef USE_NO_TOS
        !            46: /* keep top of data stack in register.  Usually a good idea unless registers are very scarce */
        !            47: #define USE_TOS
        !            48: #endif
        !            49: #endif
1.1       jwilke     50: 
1.17      anton      51: #ifndef INDIRECT_THREADED
                     52: #ifndef DIRECT_THREADED
                     53: #define DIRECT_THREADED
                     54: #endif
1.1       jwilke     55: #endif
1.3       pazsan     56: 
                     57: /* Types: these types are used as Forth's internal types */
                     58: 
                     59: /* define this if IEEE singles and doubles are available as C data types */
                     60: #define IEEE_FP
                     61: 
                     62: /* the IEEE types are used only for loading and storing */
                     63: /* the IEEE double precision type */
                     64: typedef double DFloat;
                     65: /* the IEEE single precision type */
                     66: typedef float SFloat;
                     67: 
                     68: typedef CELL_TYPE Cell;
                     69: typedef unsigned CELL_TYPE UCell;
                     70: typedef Cell Bool;
                     71: typedef unsigned char Char;
                     72: typedef double Float;
                     73: typedef Char *Address;
                     74: 
                     75: #if defined(DOUBLY_INDIRECT)
                     76: typedef void **Label;
                     77: #else /* !defined(DOUBLY_INDIRECT) */
                     78: typedef void *Label;
                     79: #endif /* !defined(DOUBLY_INDIRECT) */
1.1       jwilke     80: 
1.15      jwilke     81: /* feature defines, these setting should be identical to the ones in machpc.fs */
1.4       pazsan     82: 
                     83: #define HAS_DCOMPS
                     84: #define HAS_FILE
                     85: #define HAS_FLOATING
                     86: #define HAS_GLOCALS
                     87: #define HAS_HASH
                     88: #define HAS_OS
                     89: #define HAS_XCONDS
1.9       jwilke     90: #define HAS_STANDARDTHREADING
1.10      pazsan     91: #define HAS_DEBUG
1.16      jwilke     92: #ifndef HAS_PEEPHOLE
1.15      jwilke     93: #define HAS_PEEPHOLE
1.16      jwilke     94: #endif
1.6       pazsan     95: 
                     96: #define RELINFOBITS    8

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