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- /* m- file for Cydrome's CYDRA 5 mini super computer
- Copyright (C) 1988 Free Software Foundation, Inc.
-
- This file is part of GNU Emacs.
-
- GNU Emacs 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 1, or (at your option)
- any later version.
-
- GNU Emacs 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 GNU Emacs; see the file COPYING. If not, write to
- the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-
- /* The following three symbols give information on
- the size of various data types. */
-
- #define SHORTBITS 16 /* Number of bits in a short */
-
- #define INTBITS 32 /* Number of bits in an int */
-
- #define LONGBITS 32 /* Number of bits in a long */
-
- /* Define BIG_ENDIAN iff lowest-numbered byte in a word
- is the most significant byte. */
-
- #define BIG_ENDIAN
-
- /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
- * group of arguments and treat it as an array of the arguments. */
-
- #undef NO_ARG_ARRAY
-
- /* Define WORD_MACHINE if addresses and such have
- * to be corrected before they can be used as byte counts. */
-
- #undef WORD_MACHINE
-
- /* Define how to take a char and sign-extend into an int.
- On machines where char is signed, this is a no-op. */
-
- #define SIGN_EXTEND_CHAR(c) (c)
-
- /* Now define a symbol for the cpu type, if your compiler
- does not define it automatically:
- Ones defined so far include vax, m68000, ns16000, pyramid,
- orion, tahoe, APOLLO and many others */
-
- /* Use type int rather than a union, to represent Lisp_Object */
- /* This is desirable for most machines. */
-
- #define NO_UNION_TYPE
-
- /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
- the 24-bit bit field into an int. In other words, if bit fields
- are always unsigned.
-
- If you use NO_UNION_TYPE, this flag does not matter. */
-
- #define EXPLICIT_SIGN_EXTEND
-
- /* Data type of load average, as read out of kmem. */
-
- #define LOAD_AVE_TYPE long
-
- /* Convert that into an integer that is 100 for a load average of 1.0 */
-
- #define LOAD_AVE_CVT(x) x
-
- /* Define CANNOT_DUMP on machines where unexec does not work.
- Then the function dump-emacs will not be defined
- and temacs will do (load "loadup") automatically unless told otherwise. */
-
- /*#define CANNOT_DUMP*/
-
- /* Define VIRT_ADDR_VARIES if the virtual addresses of
- pure and impure space as loaded can vary, and even their
- relative order cannot be relied on.
-
- Otherwise Emacs assumes that data space precedes text space,
- numerically. */
-
- #undef VIRT_ADDR_VARIES
-
- /* Define C_ALLOCA if this machine does not support a true alloca
- and the one written in C should be used instead.
- Define HAVE_ALLOCA to say that the system provides a properly
- working alloca function and it should be used.
- Define neither one if an assembler-language alloca
- in the file alloca.s should be used. */
-
- #define C_ALLOCA
- #undef HAVE_ALLOCA
-
- /* The data segment in this machine always starts at address 0x10000000.
- An address of data cannot be stored correctly in a Lisp object;
- we always lose the high bits. We must tell XPNTR to add them back. */
-
- #define DATA_SEG_BITS 0x20000000
- #define DATA_START 0x20000000
-
- /* Define NO_REMAP if memory segmentation makes it not work well
- to change the boundary between the text section and data section
- when Emacs is dumped. If you define this, the preloaded Lisp
- code will not be sharable; but that's better than failing completely. */
-
- #define NO_REMAP
- #define BROKEN_FIONREAD /* We son't even have it */
- #define LIBS_MACHINE -lsocket -lnsl
-
- /* Stack grows downward in memory. */
- #define STACK_DIRECTION -1
-
- /* The data section in a coff file must be aligned in the file. */
- #define DATA_SECTION_ALIGNMENT 0xFFF
-
- /* Compiler won't allow switch (x) when x is an enum. */
- #define SWITCH_ENUM_BUG
-
-
- /* Explain how pty filenames work. */
-
- #define PTY_ITERATION for (i = 47; i >= 0; i--)
- #define PTY_NAME_SPRINTF sprintf (pty_name, "/dev/pty%03x", i);
- #define PTY_TTY_NAME_SPRINTF sprintf (pty_name, "/dev/ptm%03x", i);
-
- /* We can't do interrupt-driven input, so don't let user try. */
-
- #undef SIGIO
-