1/*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1994 S��ren Schmidt 5 * Copyright (c) 1995 Steven Wallace 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer 13 * in this position and unchanged. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32#include <sys/cdefs.h> 33__FBSDID("$FreeBSD$"); 34 35#include <sys/param.h> 36#include <sys/lock.h> 37#include <sys/mutex.h> 38#include <sys/systm.h> 39#include <sys/sysctl.h> 40 41#include <i386/ibcs2/ibcs2_types.h> 42#include <i386/ibcs2/ibcs2_signal.h> 43#include <i386/ibcs2/ibcs2_util.h> 44#include <i386/ibcs2/ibcs2_proto.h> 45 46#define IBCS2_FP_NO 0 /* no fp support */ 47#define IBCS2_FP_SW 1 /* software emulator */ 48#define IBCS2_FP_287 2 /* 80287 FPU */ 49#define IBCS2_FP_387 3 /* 80387 FPU */ 50 51#define SI86_FPHW 40 52#define STIME 54 53#define SETNAME 56 54#define SI86_MEM 65 55 56extern int hw_float; 57 58int 59ibcs2_sysi86(struct thread *td, struct ibcs2_sysi86_args *args) 60{ 61 switch (args->cmd) { 62 case SI86_FPHW: { /* Floating Point information */ 63 int val, error; 64 65 if (hw_float) 66 val = IBCS2_FP_387; 67 else 68 val = IBCS2_FP_NO; 69 if ((error = copyout(&val, args->arg, sizeof(val))) != 0) 70 return error; 71 return 0; 72 } 73 74 case STIME: /* set the system time given pointer to long */ 75 /* gettimeofday; time.tv_sec = *args->arg; settimeofday */ 76 return EINVAL; 77 78 case SETNAME: { /* set hostname given string w/ len <= 7 chars */ 79 int name[2]; 80 81 name[0] = CTL_KERN; 82 name[1] = KERN_HOSTNAME; 83 return (userland_sysctl(td, name, 2, 0, 0, 0, 84 args->arg, 7, 0, 0)); 85 } 86 87 case SI86_MEM: /* size of physical memory */ 88 td->td_retval[0] = ctob(physmem); 89 return 0; 90 91 default: 92#ifdef DIAGNOSTIC 93 printf("IBCS2: 'sysi86' function %d(0x%x) " 94 "not implemented yet\n", args->cmd, args->cmd); 95#endif 96 return EINVAL; 97 } 98} 99