1 /*-
2 * Copyright (c) 1994 Sean Eric Fagan
3 * Copyright (c) 1994 S�ren Schmidt
4 * Copyright (c) 1995 Steven Wallace
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer
12 * in this position and unchanged.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD: stable/9/sys/i386/ibcs2/ibcs2_xenix.c 225617 2011-09-16 13:58:51Z kmacy $");
33
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/namei.h>
37 #include <sys/sysproto.h>
38 #include <sys/clock.h>
39 #include <sys/jail.h>
40 #include <sys/kernel.h>
41 #include <sys/malloc.h>
42 #include <sys/filio.h>
43 #include <sys/vnode.h>
44 #include <sys/syscallsubr.h>
45 #include <sys/sysctl.h>
46 #include <sys/sysent.h>
47 #include <sys/unistd.h>
48
49 #include <machine/cpu.h>
50
51 #include <i386/ibcs2/ibcs2_types.h>
52 #include <i386/ibcs2/ibcs2_unistd.h>
53 #include <i386/ibcs2/ibcs2_signal.h>
54 #include <i386/ibcs2/ibcs2_util.h>
55 #include <i386/ibcs2/ibcs2_proto.h>
56 #include <i386/ibcs2/ibcs2_xenix.h>
57 #include <i386/ibcs2/ibcs2_xenix_syscall.h>
58
59
60 extern struct sysent xenix_sysent[];
61
62 int
ibcs2_xenix(struct thread * td,struct ibcs2_xenix_args * uap)63 ibcs2_xenix(struct thread *td, struct ibcs2_xenix_args *uap)
64 {
65 struct trapframe *tf = td->td_frame;
66 struct sysent *callp;
67 u_int code;
68 int error;
69
70 code = (tf->tf_eax & 0xff00) >> 8;
71 callp = &xenix_sysent[code];
72
73 if (code < IBCS2_XENIX_MAXSYSCALL)
74 error = ((*callp->sy_call)(td, (void *)uap));
75 else
76 error = ENOSYS;
77 return (error);
78 }
79
80 int
xenix_rdchk(td,uap)81 xenix_rdchk(td, uap)
82 struct thread *td;
83 struct xenix_rdchk_args *uap;
84 {
85 int data, error;
86
87 DPRINTF(("IBCS2: 'xenix rdchk'\n"));
88
89 error = kern_ioctl(td, uap->fd, FIONREAD, (caddr_t)&data);
90 if (error)
91 return (error);
92 td->td_retval[0] = data ? 1 : 0;
93 return (0);
94 }
95
96 int
xenix_chsize(td,uap)97 xenix_chsize(td, uap)
98 struct thread *td;
99 struct xenix_chsize_args *uap;
100 {
101 struct ftruncate_args sa;
102
103 DPRINTF(("IBCS2: 'xenix chsize'\n"));
104 sa.fd = uap->fd;
105 sa.length = uap->size;
106 return sys_ftruncate(td, &sa);
107 }
108
109
110 int
xenix_ftime(td,uap)111 xenix_ftime(td, uap)
112 struct thread *td;
113 struct xenix_ftime_args *uap;
114 {
115 struct timeval tv;
116 struct ibcs2_timeb {
117 unsigned long time __packed;
118 unsigned short millitm;
119 short timezone;
120 short dstflag;
121 } itb;
122
123 DPRINTF(("IBCS2: 'xenix ftime'\n"));
124 microtime(&tv);
125 itb.time = tv.tv_sec;
126 itb.millitm = (tv.tv_usec / 1000);
127 itb.timezone = tz_minuteswest;
128 itb.dstflag = tz_dsttime != DST_NONE;
129
130 return copyout((caddr_t)&itb, (caddr_t)uap->tp,
131 sizeof(struct ibcs2_timeb));
132 }
133
134 int
xenix_nap(struct thread * td,struct xenix_nap_args * uap)135 xenix_nap(struct thread *td, struct xenix_nap_args *uap)
136 {
137 long period;
138
139 DPRINTF(("IBCS2: 'xenix nap %d ms'\n", uap->millisec));
140 period = (long)uap->millisec / (1000/hz);
141 if (period)
142 pause("nap", period);
143 return 0;
144 }
145
146 int
xenix_utsname(struct thread * td,struct xenix_utsname_args * uap)147 xenix_utsname(struct thread *td, struct xenix_utsname_args *uap)
148 {
149 struct ibcs2_sco_utsname {
150 char sysname[9];
151 char nodename[9];
152 char release[16];
153 char kernelid[20];
154 char machine[9];
155 char bustype[9];
156 char sysserial[10];
157 unsigned short sysorigin;
158 unsigned short sysoem;
159 char numusers[9];
160 unsigned short numcpu;
161 } ibcs2_sco_uname;
162
163 DPRINTF(("IBCS2: 'xenix sco_utsname'\n"));
164 bzero(&ibcs2_sco_uname, sizeof(struct ibcs2_sco_utsname));
165 strncpy(ibcs2_sco_uname.sysname, ostype,
166 sizeof(ibcs2_sco_uname.sysname) - 1);
167 getcredhostname(td->td_ucred, ibcs2_sco_uname.nodename,
168 sizeof(ibcs2_sco_uname.nodename) - 1);
169 strncpy(ibcs2_sco_uname.release, osrelease,
170 sizeof(ibcs2_sco_uname.release) - 1);
171 strncpy(ibcs2_sco_uname.kernelid, version,
172 sizeof(ibcs2_sco_uname.kernelid) - 1);
173 strncpy(ibcs2_sco_uname.machine, machine,
174 sizeof(ibcs2_sco_uname.machine) - 1);
175 strncpy(ibcs2_sco_uname.bustype, "ISA/EISA",
176 sizeof(ibcs2_sco_uname.bustype) - 1);
177 strncpy(ibcs2_sco_uname.sysserial, "no charge",
178 sizeof(ibcs2_sco_uname.sysserial) - 1);
179 strncpy(ibcs2_sco_uname.numusers, "unlim",
180 sizeof(ibcs2_sco_uname.numusers) - 1);
181 ibcs2_sco_uname.sysorigin = 0xFFFF;
182 ibcs2_sco_uname.sysoem = 0xFFFF;
183 ibcs2_sco_uname.numcpu = 1;
184 return copyout((caddr_t)&ibcs2_sco_uname,
185 (caddr_t)(void *)(intptr_t)uap->addr,
186 sizeof(struct ibcs2_sco_utsname));
187 }
188
189 int
xenix_scoinfo(struct thread * td,struct xenix_scoinfo_args * uap)190 xenix_scoinfo(struct thread *td, struct xenix_scoinfo_args *uap)
191 {
192 /* scoinfo (not documented) */
193 td->td_retval[0] = 0;
194 return 0;
195 }
196
197 int
xenix_eaccess(struct thread * td,struct xenix_eaccess_args * uap)198 xenix_eaccess(struct thread *td, struct xenix_eaccess_args *uap)
199 {
200 char *path;
201 int error, bsd_flags;
202
203 bsd_flags = 0;
204 if (uap->flags & IBCS2_R_OK)
205 bsd_flags |= R_OK;
206 if (uap->flags & IBCS2_W_OK)
207 bsd_flags |= W_OK;
208 if (uap->flags & IBCS2_X_OK)
209 bsd_flags |= X_OK;
210
211 CHECKALTEXIST(td, uap->path, &path);
212 error = kern_eaccess(td, path, UIO_SYSSPACE, bsd_flags);
213 free(path, M_TEMP);
214 return (error);
215 }
216