ibcs2_xenix.c revision 11397 
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 withough 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 *	$Id: ibcs2_xenix.c,v 1.2 1995/02/03 21:31:35 bde Exp $
31 */
32
33#include <sys/param.h>
34#include <sys/systm.h>
35#include <sys/sysproto.h>
36#include <sys/kernel.h>
37#include <sys/exec.h>
38#include <sys/ioctl.h>
39#include <sys/proc.h>
40#include <sys/vnode.h>
41#include <sys/sysctl.h>
42#include <sys/sysent.h>
43#include <sys/errno.h>
44#include <sys/timeb.h>
45#include <sys/unistd.h>
46
47#include <vm/vm.h>
48#include <machine/cpu.h>
49#include <machine/psl.h>
50#include <machine/reg.h>
51
52#include <i386/ibcs2/ibcs2_types.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
59extern struct sysent xenix_sysent[];
60
61int
62ibcs2_xenix(struct proc *p, struct ibcs2_xenix_args *uap, int *retval)
63{
64	struct trapframe *tf = (struct trapframe *)p->p_md.md_regs;
65        struct sysent *callp;
66        u_int code;
67
68	code = (tf->tf_eax & 0xff00) >> 8;
69	callp = &xenix_sysent[code];
70
71	if(code < IBCS2_XENIX_MAXSYSCALL)
72	  return((*callp->sy_call)(p, (void *)uap, retval));
73	else
74	  return ENOSYS;
75}
76
77int
78xenix_rdchk(p, uap, retval)
79	struct proc *p;
80	struct xenix_rdchk_args *uap;
81	int *retval;
82{
83	int error;
84	struct ioctl_args sa;
85	caddr_t sg = stackgap_init();
86
87	DPRINTF(("IBCS2: 'xenix rdchk'\n"));
88	SCARG(&sa, fd) = SCARG(uap, fd);
89	SCARG(&sa, com) = FIONREAD;
90	SCARG(&sa, data) = stackgap_alloc(&sg, sizeof(int));
91	if (error = ioctl(p, &sa, retval))
92		return error;
93	*retval = (*((int*)SCARG(&sa, data))) ? 1 : 0;
94	return 0;
95}
96
97int
98xenix_chsize(p, uap, retval)
99	struct proc *p;
100	struct xenix_chsize_args *uap;
101	int *retval;
102{
103	struct ftruncate_args sa;
104
105	DPRINTF(("IBCS2: 'xenix chsize'\n"));
106	SCARG(&sa, fd) = SCARG(uap, fd);
107	SCARG(&sa, pad) = 0;
108	SCARG(&sa, length) = SCARG(uap, size);
109	return ftruncate(p, &sa, retval);
110}
111
112
113int
114xenix_ftime(p, uap, retval)
115	struct proc *p;
116	struct xenix_ftime_args *uap;
117	int *retval;
118{
119	struct timeval tv;
120	struct timeb itb;
121
122	DPRINTF(("IBCS2: 'xenix ftime'\n"));
123	microtime(&tv);
124	itb.time = tv.tv_sec;
125	itb.millitm = (tv.tv_usec / 1000);
126	itb.timezone = tz.tz_minuteswest;
127	itb.dstflag = tz.tz_dsttime != DST_NONE;
128
129	return copyout((caddr_t)&itb, (caddr_t)SCARG(uap, tp),
130		       sizeof(struct timeb));
131}
132
133int
134xenix_nap(struct proc *p, struct xenix_nap_args *uap, int *retval)
135{
136	long period;
137
138	DPRINTF(("IBCS2: 'xenix nap %d ms'\n", SCARG(uap, millisec)));
139	period = (long)SCARG(uap, millisec) / (1000/hz);
140	if (period)
141		while (tsleep(&period, PUSER, "nap", period)
142		       != EWOULDBLOCK) ;
143	return 0;
144}
145
146int
147xenix_utsname(struct proc *p, struct xenix_utsname_args *args, int *retval)
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, 8);
166	strncpy(ibcs2_sco_uname.nodename, hostname, 8);
167	strncpy(ibcs2_sco_uname.release, osrelease, 15);
168	strncpy(ibcs2_sco_uname.kernelid, version, 19);
169	strncpy(ibcs2_sco_uname.machine, machine, 8);
170	bcopy("ISA/EISA", ibcs2_sco_uname.bustype, 8);
171	bcopy("no charge", ibcs2_sco_uname.sysserial, 9);
172	bcopy("unlim", ibcs2_sco_uname.numusers, 8);
173	ibcs2_sco_uname.sysorigin = 0xFFFF;
174	ibcs2_sco_uname.sysoem = 0xFFFF;
175	ibcs2_sco_uname.numcpu = 1;
176	return copyout((caddr_t)&ibcs2_sco_uname, (caddr_t)args->addr,
177		       sizeof(struct ibcs2_sco_utsname));
178}
179
180int
181xenix_scoinfo(struct proc *p, struct xenix_scoinfo_args *uap, int *retval)
182{
183  /* scoinfo (not documented) */
184  *retval = 0;
185  return 0;
186}
187