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/* $NetBSD: stand_user.c,v 1.6 2008/12/14 18:46:33 christos Exp $ */
/*
* Copyright (c) 1998
* Matthias Drochner. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include <lib/libsa/stand.h>
#include "sanamespace.h"
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdarg.h>
#include <sys/time.h>
#include <fcntl.h>
#include <sys/mman.h>
#include <machine/sysarch.h>
#include <err.h>
/*
* Harness for test of standalone code in user space.
* XXX Requires silly namespace games.
*/
#ifndef HEAPSIZE
#define HEAPSIZE (128*1024)
#endif
int samain(void);
int
main(void)
{
char *h = malloc(HEAPSIZE);
setheap(h, h + HEAPSIZE);
return samain();
}
void
_rtt(void)
{
warnx("_rtt called");
_exit(1);
}
int
getsecs(void)
{
struct timeval t;
gettimeofday(&t, 0);
return t.tv_sec;
}
void
delay(int t)
{
struct timeval to;
to.tv_sec = 0;
to.tv_usec = t;
select(0, 0, 0, 0, &to);
}
/* make output appear unbuffered */
void
saputchar(int c)
{
putchar(c);
fflush(stdout);
}
/*
* some functions to get access to the hardware
*/
static int memfd, memcnt;
void *
mapmem(int offset, int len)
{
void *base;
if (memcnt == 0)
memfd = open("/dev/mem", O_RDWR, 0);
if (memfd < 0) {
warn("open /dev/mem");
return 0;
}
base = mmap(0, len, PROT_READ | PROT_WRITE, MAP_SHARED,
memfd, offset);
if (base == (void *)-1) {
warn("mmap %x-%x", offset, offset + len - 1);
return 0;
}
memcnt++;
return base;
}
void
unmapmem(void *addr, int len)
{
munmap(addr, len);
memcnt--;
if (memcnt == 0)
close(memfd);
}
int
mapio(void)
{
int res;
res = i386_iopl(1);
if (res)
warn("i386_iopl");
return res;
}
int ourseg = 12345;
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