1/*- 2 * Copyright (c) 1994 S��ren 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 without 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 30#include <sys/cdefs.h> 31__FBSDID("$FreeBSD: releng/11.0/sys/i386/ibcs2/ibcs2_sysi86.c 230132 2012-01-15 13:23:18Z uqs $"); 32 33#include <sys/param.h> 34#include <sys/lock.h> 35#include <sys/mutex.h> 36#include <sys/systm.h> 37#include <sys/sysctl.h> 38 39#include <i386/ibcs2/ibcs2_types.h> 40#include <i386/ibcs2/ibcs2_signal.h> 41#include <i386/ibcs2/ibcs2_util.h> 42#include <i386/ibcs2/ibcs2_proto.h> 43 44#define IBCS2_FP_NO 0 /* no fp support */ 45#define IBCS2_FP_SW 1 /* software emulator */ 46#define IBCS2_FP_287 2 /* 80287 FPU */ 47#define IBCS2_FP_387 3 /* 80387 FPU */ 48 49#define SI86_FPHW 40 50#define STIME 54 51#define SETNAME 56 52#define SI86_MEM 65 53 54extern int hw_float; 55 56int 57ibcs2_sysi86(struct thread *td, struct ibcs2_sysi86_args *args) 58{ 59 switch (args->cmd) { 60 case SI86_FPHW: { /* Floating Point information */ 61 int val, error; 62 63 if (hw_float) 64 val = IBCS2_FP_387; 65 else 66 val = IBCS2_FP_NO; 67 if ((error = copyout(&val, args->arg, sizeof(val))) != 0) 68 return error; 69 return 0; 70 } 71 72 case STIME: /* set the system time given pointer to long */ 73 /* gettimeofday; time.tv_sec = *args->arg; settimeofday */ 74 return EINVAL; 75 76 case SETNAME: { /* set hostname given string w/ len <= 7 chars */ 77 int name[2]; 78 79 name[0] = CTL_KERN; 80 name[1] = KERN_HOSTNAME; 81 return (userland_sysctl(td, name, 2, 0, 0, 0, 82 args->arg, 7, 0, 0)); 83 } 84 85 case SI86_MEM: /* size of physical memory */ 86 td->td_retval[0] = ctob(physmem); 87 return 0; 88 89 default: 90#ifdef DIAGNOSTIC 91 printf("IBCS2: 'sysi86' function %d(0x%x) " 92 "not implemented yet\n", args->cmd, args->cmd); 93#endif 94 return EINVAL; 95 } 96} 97