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Diffstat (limited to 'src/m-hp9000s800.h')
-rw-r--r-- | src/m-hp9000s800.h | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/src/m-hp9000s800.h b/src/m-hp9000s800.h new file mode 100644 index 00000000000..a56051ac659 --- /dev/null +++ b/src/m-hp9000s800.h @@ -0,0 +1,189 @@ +/* m- file for hp9000 series 800 machines. + Copyright (C) 1987 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. */ + +#define 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 */ +#ifndef hp9000s800 +# define hp9000s800 +#endif + +/* 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 double + +/* Convert that into an integer that is 100 for a load average of 1.0 */ + +#define LOAD_AVE_CVT(x) ((int) (x * 100.0)) + + +/* 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. */ + +#undef 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 text space precedes data space, + numerically. */ + +#define 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 +/* #define HAVE_ALLOCA */ + +/* the data segment on this machine always starts at address 0x40000000. */ + +#define DATA_SEG_BITS 0x40000000 + +#define VALBITS 26 +#define GCTYPEBITS 5 + +#define DATA_START 0x40000000 +#define TEXT_START 0x00000000 + +#define STACK_DIRECTION 1 + +/* 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 + +/* This machine requires completely different unexec code + which lives in a separate file. Specify the file name. */ + +#define UNEXEC unexhp9k800.o + +#define LIBS_MACHINE +#define LIBS_DEBUG + +/* Define NEED_BSDTTY if you have such. */ + +#define NEED_BSDTTY + +/* The standard definitions of these macros would work ok, + but these are faster because the constants are short. */ + + +#define XUINT(a) (((unsigned)(a) << INTBITS-VALBITS) >> INTBITS-VALBITS) + +#define XSET(var, type, ptr) \ + ((var) = ((int)(type) << VALBITS) + (((unsigned) (ptr) << INTBITS-VALBITS) >> INTBITS-VALBITS)) + +#define XSETINT(a, b) XSET(a, XTYPE(a), b) +#define XSETUINT(a, b) XSET(a, XTYPE(a), b) +#define XSETPNTR(a, b) XSET(a, XTYPE(a), b) +#define XMARKBIT(a) ((a) < 0) +#define XSETMARKBIT(a,b) ((a) = ((b) ? (a)|MARKBIT : (a) & ~MARKBIT)) + +#if 0 /* Loses when sign bit of type field is set. */ +#define XUNMARK(a) ((a) = (((a) << INTBITS-GCTYPEBITS-VALBITS) >> INTBITS-GCTYPEBITS-VALBITS)) +#endif + +/* The symbol in the kernel where the load average is found + is named _avenrun. At this time there are two major flavors + of hp-ux (there is the s800 and s300 (s200) flavors). The + differences are thusly moved to the corresponding m- file. +*/ + +/* no underscore please */ +#define LDAV_SYMBOL "avenrun" +#define CPTIME_SYMBOL "cp_time" +#define DKXFER_SYMBOL "dk_xfer" + +#if 0 /* No longer true in HPUX 7.0 */ +/* In hpux, for unknown reasons, S_IFLNK is defined even though + symbolic links do not exist. + Make sure our conditionals based on S_IFLNK are not confused. + + Here we assume that stat.h is included before config.h + so that we can override it here. */ + +#undef S_IFLNK +#endif + +/* Define the BSTRING functions in terms of the sysV functions. */ + +#define bcopy(a,b,s) memcpy (b,a,s) +#define bzero(a,s) memset (a,0,s) +#define bcmp memcmp + +/* On USG systems these have different names. */ + +#define index strchr +#define rindex strrchr + +/* Include the file bsdtty.h, since job control exists. */ +#define NEED_BSDTTY |