freebsd-dev/usr.sbin/pccard/pccardc/pccardmem.c
2003-06-09 06:16:18 +00:00

73 lines
2.2 KiB
C

/*
* Copyright (c) 1995 Andrew McRae. 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* 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.
*/
#ifndef lint
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include <err.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <pccard/cardinfo.h>
static void
usage()
{
fprintf(stderr, "usage: pccardc pccardmem [memory-address]\n");
exit(1);
}
int
pccardmem_main(argc, argv)
int argc;
char *argv[];
{
char name[64];
int addr = 0;
int fd;
if (argc > 2)
usage();
sprintf(name, CARD_DEVICE, 0);
fd = open(name, O_RDONLY);
if (fd < 0)
err(1, "%s", name);
if (argc == 2) {
if (sscanf(argv[1], "%x", &addr) != 1)
errx(1, "arg error");
}
if (ioctl(fd, PIOCRWMEM, &addr))
err(1, "ioctl (PIOCRWMEM)");
else
printf("PCCARD Memory address set to 0x%x\n", addr);
return 0;
}