133 lines
4.2 KiB
C
133 lines
4.2 KiB
C
/* $NetBSD: devopen.c,v 1.3 2000/01/16 03:07:24 takemura Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1999 Shin Takemura.
|
|
* All rights reserved.
|
|
*
|
|
* This software is part of the PocketBSD.
|
|
*
|
|
* 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. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the PocketBSD project
|
|
* and its contributors.
|
|
* 4. Neither the name of the project nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
|
|
*
|
|
*/
|
|
#define STANDALONE_WINDOWS_SIDE
|
|
#include <stand.h>
|
|
#include <winblk.h>
|
|
#include <winfs.h>
|
|
#include <lib/libsa/ufs.h>
|
|
|
|
extern int parsebootfile __P((const char *, char**, char**, unsigned int*,
|
|
unsigned int*, const char**));
|
|
|
|
struct devsw devsw[] = {
|
|
{"winblk", winblkstrategy, winblkopen, winblkclose, winblkioctl },
|
|
};
|
|
int ndevs = sizeof(devsw) / sizeof(struct devsw);
|
|
|
|
static struct fs_ops winop = {
|
|
win_open, win_close, win_read, win_write, win_seek, win_stat
|
|
};
|
|
|
|
static struct fs_ops ufsop = {
|
|
ufs_open, ufs_close, ufs_read, ufs_write, ufs_seek, ufs_stat
|
|
};
|
|
|
|
struct fs_ops file_system[] = {
|
|
{ 0 },
|
|
};
|
|
int nfsys = 1;
|
|
|
|
int
|
|
parsebootfile(fnamexx, fsmode, devname, unit, partition, file)
|
|
const char *fnamexx;
|
|
char **fsmode; /* out */
|
|
char **devname; /* out */
|
|
unsigned int *unit, *partition; /* out */
|
|
const char **file; /* out */
|
|
{
|
|
TCHAR *fname = (TCHAR*)fnamexx;
|
|
|
|
if (fname[0] == TEXT('\\')) {
|
|
*fsmode = "win";
|
|
*devname = "";
|
|
*unit = 0;
|
|
*partition = 0;
|
|
*file = fname;
|
|
} else {
|
|
static char name[1024]; /* XXX */
|
|
|
|
if (wcstombs(name, (TCHAR*)fname, sizeof(name)) < 0) {
|
|
return (ENOENT);
|
|
}
|
|
if ('1' <= name[0] && name[0] <= '9' && name[1] == ':') {
|
|
*unit = name[0] - '0';
|
|
*file = &name[2];
|
|
} else {
|
|
*unit = 1;
|
|
*file = name;
|
|
}
|
|
*fsmode = "ufs";
|
|
*devname = "DSK";
|
|
*partition = 0;
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
|
|
int
|
|
devopen(f, fname, file)
|
|
struct open_file *f;
|
|
const char *fname;
|
|
char **file;
|
|
{
|
|
char *devname;
|
|
char *fsmode;
|
|
unsigned int unit, partition;
|
|
int error;
|
|
|
|
if ((error = parsebootfile(fname, &fsmode, &devname, &unit,
|
|
&partition, (const char **) file)))
|
|
return (error);
|
|
|
|
if (!strcmp(fsmode, "win")) {
|
|
file_system[0] = winop;
|
|
f->f_flags |= F_NODEV; /* handled by Windows */
|
|
return (0);
|
|
} else
|
|
if (!strcmp(fsmode, "ufs")) {
|
|
file_system[0] = ufsop;
|
|
f->f_dev = &devsw[0]; /* Windows block device. */
|
|
return (*f->f_dev->dv_open)(f, devname, unit, partition);
|
|
} else {
|
|
printf("no file system\n");
|
|
return (ENXIO);
|
|
}
|
|
/* NOTREACHED */
|
|
}
|