ibcs2_sysi86.c

Version: - FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
SearchContext: - none - 3 - 10

    1 /*-
    2  * Copyright (c) 1994 Søren Schmidt
    3  * Copyright (c) 1995 Steven Wallace
    4  * All rights reserved.
    5  *
    6  * Redistribution and use in source and binary forms, with or without
    7  * modification, are permitted provided that the following conditions
    8  * are met:
    9  * 1. Redistributions of source code must retain the above copyright
   10  *    notice, this list of conditions and the following disclaimer
   11  *    in this position and unchanged.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  * 3. The name of the author may not be used to endorse or promote products
   16  *    derived from this software withough specific prior written permission
   17  *
   18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   28  *
   29  *      ibcs2_sysi86.c,v 1.1 1994/10/14 08:53:11 sos Exp
   30  */
   31 
   32 #include <sys/param.h>
   33 #include <sys/systm.h>
   34 #include <sys/kernel.h>
   35 #include <sys/proc.h>
   36 #include <sys/sysctl.h>
   37 
   38 #include <i386/ibcs2/ibcs2_types.h>
   39 #include <i386/ibcs2/ibcs2_signal.h>
   40 #include <i386/ibcs2/ibcs2_util.h>
   41 #include <i386/ibcs2/ibcs2_proto.h>
   42 
   43 #define IBCS2_FP_NO     0       /* no fp support */
   44 #define IBCS2_FP_SW     1       /* software emulator */
   45 #define IBCS2_FP_287    2       /* 80287 FPU */
   46 #define IBCS2_FP_387    3       /* 80387 FPU */
   47 
   48 #define SI86_FPHW       40
   49 #define STIME           54
   50 #define SETNAME         56
   51 #define SI86_MEM        65
   52 
   53 extern int hw_float;
   54 
   55 int
   56 ibcs2_sysi86(struct proc *p, struct ibcs2_sysi86_args *args, int *retval)
   57 {
   58         switch (SCARG(args, cmd)) {
   59         case SI86_FPHW: {       /* Floating Point information */
   60                 int val, error;
   61 
   62                 if (hw_float) val = IBCS2_FP_387;       /* FPU hardware */
   63                 else val = IBCS2_FP_SW;                 /* FPU emulator */
   64                         
   65                 if (error = copyout(&val, SCARG(args, arg), sizeof(val)))
   66                         return error;
   67                 return 0;
   68                 }
   69 
   70         case STIME:       /* set the system time given pointer to long */
   71           /* gettimeofday; time.tv_sec = *args->arg; settimeofday */
   72                 return EINVAL;
   73 
   74         case SETNAME:  {  /* set hostname given string w/ len <= 7 chars */
   75                 int name[2];
   76                 int error;
   77 
   78                 if ((error = suser(p->p_ucred, &p->p_acflag)))
   79                   return (error);
   80                 name[0] = CTL_KERN;
   81                 name[1] = KERN_HOSTNAME;
   82                 return (userland_sysctl(p, name, 2, 0, 0, 0, 
   83                         SCARG(args, arg), 7, 0));
   84         }
   85 
   86         case SI86_MEM:  /* size of physical memory */
   87                 *retval = ctob(physmem);
   88                 return 0;
   89 
   90         default:
   91 #ifdef DIAGNOSTIC
   92                 printf("IBCS2: 'sysi86' function %d(0x%x) "
   93                         "not implemented yet\n", SCARG(args, cmd), args->cmd);
   94 #endif
   95                 return EINVAL;
   96         }
   97 }

Cache object: 9048c7c52f95d29d3b85648a36fcb166

[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.

FreeBSD/Linux Kernel Cross Reference sys/i386/ibcs2/ibcs2_sysi86.c

FreeBSD/Linux Kernel Cross Reference
sys/i386/ibcs2/ibcs2_sysi86.c