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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 60 /* Number of user open files */
12: #define NEXREAD 6 /* Read ahead */
13:
14: #ifdef KERNEL /* These set in *con.c */
15: extern int NBUF; /* Now an adjustable parameter */
16: extern int NHASH; /* Now an adjustable parameter */
17: extern int NINODE; /* Now an adjustable parameter */
18: extern int NCLIST; /* Now an adjustable parameter */
19: extern int ALLSIZE; /* Now an adjustable paramenter */
20: extern int ISTSIZE; /* Initial stack size (bytes) */
21: #endif
22:
23: #ifdef _I386
24: #define BPCSHIFT 12
25: #define BPC1SHIFT 10
26: #define BPSSHIFT 22
27: #define NBPC 0x001000
28: #define NBPS 0x400000
29:
30: #define ISP_286 0x10000
31: #define ISP_386 stob(512)
32:
33: #define UPASIZE 4096 /* Size in bytes of user area */
34:
35: #define SYI86UNEEK 333
36:
37: #define MSACOUNT 6 /* Number of ints for system call args */
38: #define ISTVIRT 0 /* Stack virtual base for sys exec */
39: #define SOVSIZE 0 /* Stack overflow size */
40: #define MADSIZE 32767 /* Maximum addressable segment size */
41: #define SMICALL 0 /* Start of independent system calls */
42: #define NMICALL 88 /* Machine independent system calls */
43: #define COHCALL 500 /* Number of COH system call */
44: #define SMDCALL 128 /* Start of dependent system calls */
45: #define NMDCALL 0 /* Machine dependent system calls */
46: #define BSIZE 512 /* Buffer size */
47: #define SCHUNK 16384 /* I/O chunk size for swap and dump */
48: #define NCPCL 124 /* Number of characters in clist */
49: #define NPID 30000 /* Maximum process id */
50: #define MAXU ((unsigned)0177777)
51:
52: /*
53: * Commands for system call cohcall()
54: */
55: #define COH_PRINTF 1
56: #define COH_DEVLOAD 2
57: #define COH_SETBP 4
58: #define COH_CLRBP 5
59: #define COH_REBOOT 6
60: #define COH_VIO 7
61:
62: /*
63: * There must be an even number of HZ in a second.
64: */
65: #define HZ 100
66: #endif
67:
68: #endif
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