Annotation of gforth/arch/generic/machine.h, revision 1.18
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:
1.11 anton 5: Copyright (C) 1995,1998,1999 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:
1.7 anton 24: #ifndef THREADING_SCHEME
25: #define THREADING_SCHEME 6
26: #endif
27:
1.2 pazsan 28: /* define SYSCALL */
29:
30: #ifndef SYSCALL
31: #define SYSCALL
32: #endif
33:
1.6 pazsan 34: #ifndef SYSSIGNALS
35: #define SYSSIGNALS
36: #endif
37:
1.1 jwilke 38: #ifndef USE_FTOS
39: #ifndef USE_NO_FTOS
40: /* keep top of FP stack in register. Since most processors have FP
41: registers and they are hardly used in gforth, this is usually a
42: good idea. The 88100 has no separate FP regs, but many general
43: purpose regs, so it should be ok */
44: #define USE_FTOS
45: #endif
46: #endif
47: /* I don't do the same for the data stack (i.e. USE_TOS), since this
48: loses on processors with few registers. USE_TOS might be defined in
49: the processor-specific files */
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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