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1.1 root 1: /* (-lgl
2: * COHERENT Version 4.0
3: * Copyright (c) 1982, 1992 by Mark Williams Company.
4: * All rights reserved. May not be copied without permission.
5: -lgl) */
6: #ifndef PARAM_H
7: #define PARAM_H
8:
9: /* WARNING! Fix references to dev_loaded if ever NDRV > 8*sizeof(int) */
10: #define NDRV 32 /* Number of major device entries */
11: #define NOFILE 20 /* Number of user open files */
12: #define NUFILE NOFILE /* For historical reasons */
13: #define NEXREAD 6 /* Read ahead */
14:
15: #ifdef KERNEL /* These set in *con.c */
16: extern int NBUF; /* Now an adjustable parameter */
17: extern int NHASH; /* Now an adjustable parameter */
18: extern int NINODE; /* Now an adjustable parameter */
19: extern int NCLIST; /* Now an adjustable parameter */
20: extern int ALLSIZE; /* Now an adjustable paramenter */
21: extern int ISTSIZE; /* Initial stack size (bytes) */
22: #endif
23:
24: #ifdef _I386
25: #define BPCSHIFT 12
26: #define BPC1SHIFT 10
27: #define BPSSHIFT 22
28: #define NBPC 0x001000
29: #define NBPS 0x400000
30:
31: #define ISP_286 0x10000
32: #define ISP_386 stob(512)
33:
34: #define UPASIZE 4096 /* Size in bytes of user area */
35:
36: #define SYI86UNEEK 333
37:
38: #define MSACOUNT 6 /* Number of ints for system call args */
39: #define ISTVIRT 0 /* Stack virtual base for sys exec */
40: #define SOVSIZE 0 /* Stack overflow size */
41: #define MADSIZE 32767 /* Maximum addressable segment size */
42: #define SMICALL 0 /* Start of independent system calls */
43: #define NMICALL 88 /* Machine independent system calls */
44: #define COHCALL 500 /* Number of COH system call */
45: #define SMDCALL 128 /* Start of dependent system calls */
46: #define NMDCALL 0 /* Machine dependent system calls */
47: #define BSIZE 512 /* Buffer size */
48: #define SCHUNK 16384 /* I/O chunk size for swap and dump */
49: #define NCPCL 124 /* Number of characters in clist */
50: #define NPID 30000 /* Maximum process id */
51: #define MAXU ((unsigned)0177777)
52:
53: #define COH_PRINTF 1
54: #define COH_DEVLOAD 2
55: #define COH_SETFPE 3
56:
57: /*
58: * There must be an even number of HZ in a second.
59: */
60: #define HZ 100 /* 8253 ticks per second */
61: #endif
62:
63: #endif
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