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comparison src/m/ibmrt.h @ 412:697ef44129c6 r21-2-14

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Import from CVS: tag r21-2-14
author cvs
date Mon, 13 Aug 2007 11:20:41 +0200
parents a86b2b5e0111
children
comparison
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411:12e008d41344 412:697ef44129c6
22 22
23 /* The following line tells the configuration script what sort of 23 /* The following line tells the configuration script what sort of
24 operating system this machine is likely to run. 24 operating system this machine is likely to run.
25 USUAL-OPSYS="bsd4-2" */ 25 USUAL-OPSYS="bsd4-2" */
26 26
27 /* Define WORD_MACHINE if addresses and such have
28 * to be corrected before they can be used as byte counts. */
29
30 #define WORD_MACHINE
31
27 /* Now define a symbol for the cpu type, if your compiler 32 /* Now define a symbol for the cpu type, if your compiler
28 does not define it automatically. */ 33 does not define it automatically. */
29 34
30 /* XEmacs change */ 35 /* XEmacs change */
31 #ifndef ibmrt 36 #ifndef ibmrt
32 #define ibmrt 37 #define ibmrt
33 #endif 38 #endif
34 #ifndef romp 39 #ifndef romp
35 #define romp /* unfortunately old include files are hanging around. */ 40 #define romp /* unfortunately old include files are hanging around. */
36 #endif 41 #endif
42
43 /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
44 the bit field into an int. In other words, if bit fields
45 are always unsigned.
46
47 If you use NO_UNION_TYPE, this flag does not matter. */
48
49 #define EXPLICIT_SIGN_EXTEND
37 50
38 /* Data type of load average, as read out of kmem. */ 51 /* Data type of load average, as read out of kmem. */
39 52
40 #define LOAD_AVE_TYPE double /* For AIS (sysV) */ 53 #define LOAD_AVE_TYPE double /* For AIS (sysV) */
41 54
65 Define neither one if an assembler-language alloca 78 Define neither one if an assembler-language alloca
66 in the file alloca.s should be used. */ 79 in the file alloca.s should be used. */
67 80
68 #define HAVE_ALLOCA 81 #define HAVE_ALLOCA
69 82
83 /* The data segment in this machine starts at a fixed address.
84 An address of data cannot be stored correctly in a Lisp object;
85 we always lose the high bits. We must tell XPNTR to add them back. */
86
87 #define DATA_SEG_BITS 0x10000000
70 #define DATA_START 0x10000000 88 #define DATA_START 0x10000000
71 89
72 /* The text segment always starts at a fixed address. 90 /* The text segment always starts at a fixed address.
73 This way we don't need to have a label _start defined. */ 91 This way we don't need to have a label _start defined. */
74 #define TEXT_START 0 92 #define TEXT_START 0