freebsd-dev/release/sysinstall/kget.c
Jordan K. Hubbard 29ed216a4d o Catch up with pnp changes - kget no longer saves pnp data.
o Catch up with ncurses updates - some internal function names have changed.
1999-09-04 16:01:15 +00:00

126 lines
3.6 KiB
C

/*-
* Copyright (c) 1999 Andrzej Bialecki <abial@freebsd.org>
* 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 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 AUTHOR 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.
*
* $FreeBSD$
*/
#ifdef __alpha__
int
kget(char *out)
{
return -1;
}
#else
#include "sysinstall.h"
#include <sys/sysctl.h>
#include <i386/isa/isa_device.h>
int
kget(char *out)
{
int len, i, bytes_written = 0;
char *buf;
char *mib1 = "machdep.uc_devlist";
char name[9];
FILE *fout = NULL;
struct isa_device *id;
char *p;
/* create the output file; if we end up not writing to it, we'll
unlink() it later. */
fout = fopen(out, "w");
if (fout == NULL) {
msgDebug("kget: Unable to open %s for writing.\n", out);
return -1;
}
/* We use sysctlbyname, because the oid is unknown (OID_AUTO) */
/* get the buffer size */
i = sysctlbyname(mib1, NULL, &len, NULL, NULL);
if (i) {
msgDebug("kget: error buffer sizing\n");
goto bail;
}
if (len <= 0) {
msgDebug("kget: mib1 has length of %d\n", len);
goto bail;
}
buf = (char *)alloca(len * sizeof(char));
i = sysctlbyname(mib1, buf, &len, NULL, NULL);
if (i) {
msgDebug("kget: error retrieving data\n");
goto bail;
}
i = 0;
while (i < len) {
id = (struct isa_device *)(buf + i);
p = (buf + i + sizeof(struct isa_device));
strncpy(name, p, 8);
if (!id->id_enabled) {
bytes_written += fprintf(fout, "di %s%d\n", name, id->id_unit);
}
else {
bytes_written += fprintf(fout, "en %s%d\n", name, id->id_unit);
if (id->id_iobase > 0) {
bytes_written += fprintf(fout, "po %s%d %#x\n",
name, id->id_unit, id->id_iobase);
}
if (id->id_irq > 0) {
bytes_written += fprintf(fout, "ir %s%d %d\n", name,
id->id_unit, ffs(id->id_irq) - 1);
}
if (id->id_drq > 0) {
bytes_written += fprintf(fout, "dr %s%d %d\n", name,
id->id_unit, id->id_drq);
}
if (id->id_maddr > 0) {
bytes_written += fprintf(fout, "iom %s%d %#x\n", name,
id->id_unit, (u_int)id->id_maddr);
}
if (id->id_msize > 0) {
bytes_written += fprintf(fout, "ios %s%d %d\n", name,
id->id_unit, id->id_msize);
}
bytes_written += fprintf(fout, "f %s%d %#x\n", name,
id->id_unit, id->id_flags);
}
i += sizeof(struct isa_device) + 8;
}
bail:
if (bytes_written)
fprintf(fout, "q\n");
else
unlink(out);
fclose(fout);
return 0;
}
#endif /* !alpha */