1/*	$NetBSD: stand_user.c,v 1.5 2007/03/04 06:00:02 christos Exp $	*/
2
3/*
4 * Copyright (c) 1998
5 *	Matthias Drochner.  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 * 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 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 *
27 */
28
29#include <lib/libsa/stand.h>
30
31#include "sanamespace.h"
32
33#include <stdio.h>
34#include <unistd.h>
35#include <stdlib.h>
36#include <stdarg.h>
37#include <sys/time.h>
38#include <fcntl.h>
39#include <sys/mman.h>
40#include <machine/sysarch.h>
41#include <err.h>
42
43/*
44 * Harness for test of standalone code in user space.
45 * XXX Requires silly namespace games.
46 */
47
48#ifndef HEAPSIZE
49#define HEAPSIZE (128*1024)
50#endif
51
52int samain(void);
53
54int
55main(void)
56{
57	char *h = malloc(HEAPSIZE);
58	setheap(h, h + HEAPSIZE);
59
60	return samain();
61}
62
63void
64_rtt(void)
65{
66	warnx("_rtt called");
67	_exit(1);
68}
69
70int
71getsecs(void)
72{
73	struct timeval t;
74	gettimeofday(&t, 0);
75	return t.tv_sec;
76}
77
78void
79delay(int t)
80{
81	struct timeval to;
82	to.tv_sec = 0;
83	to.tv_usec = t;
84	select(0, 0, 0, 0, &to);
85}
86
87/* make output appear unbuffered */
88void
89saputchar(int c)
90{
91	putchar(c);
92	fflush(stdout);
93}
94
95/*
96 * some functions to get access to the hardware
97 */
98
99static int memfd, memcnt;
100
101void *
102mapmem(int offset, int len)
103{
104	void *base;
105
106	if (memcnt == 0)
107		memfd = open("/dev/mem", O_RDWR, 0);
108	if (memfd < 0) {
109		warn("open /dev/mem");
110		return 0;
111	}
112	base = mmap(0, len, PROT_READ | PROT_WRITE, MAP_SHARED,
113		    memfd, offset);
114	if (base == (void *)-1) {
115		warn("mmap %x-%x", offset, offset + len - 1);
116		return 0;
117	}
118	memcnt++;
119	return base;
120}
121
122void
123unmapmem(void *addr, int len)
124{
125
126	munmap(addr, len);
127	memcnt--;
128	if (memcnt == 0)
129		close(memfd);
130}
131
132int
133mapio(void)
134{
135	int res;
136
137	res = i386_iopl(1);
138	if (res)
139		warn("i386_iopl");
140	return res;
141}
142
143int ourseg = 12345;
144