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Annotation of coherent/d/PS2_KERNEL/include/sys/param.h, revision 1.1.1.1

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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