Mercurial > hg > xemacs-beta
diff src/m/cydra5.h @ 0:376386a54a3c r19-14
Import from CVS: tag r19-14
author | cvs |
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date | Mon, 13 Aug 2007 08:45:50 +0200 |
parents | |
children | 0132846995bd |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/m/cydra5.h Mon Aug 13 08:45:50 2007 +0200 @@ -0,0 +1,111 @@ +/* machine description 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 2, 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 XEmacs; see the file COPYING. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ + +/* Synched up with: FSF 19.31. */ + +/* The following line tells the configuration script what sort of + operating system this machine is likely to run. + USUAL-OPSYS="usg5-3" */ + +/* Define WORD_MACHINE if addresses and such have + * to be corrected before they can be used as byte counts. */ + +#undef WORD_MACHINE + +/* 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 */ + +/* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend + the 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 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 (ptyname, "/dev/pty%03x", i); +#define PTY_TTY_NAME_SPRINTF sprintf (ptyname, "/dev/ptm%03x", i); + +/* We can't do interrupt-driven input, so don't let user try. */ + +#define BROKEN_SIGIO