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/*-
* 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>
#include <i386/isa/pnp.h>
int
kget(char *out)
{
int len, i, bytes_written = 0;
char *buf;
char *mib1 = "machdep.uc_devlist";
char *mib2 = "machdep.uc_pnplist";
char name[9];
FILE *fout = NULL;
struct isa_device *id;
struct pnp_cinfo *c;
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 pnp;
}
if (len <= 0) {
msgDebug("kget: mib1 has length of %d\n", len);
goto pnp;
}
buf = (char *)alloca(len * sizeof(char));
i = sysctlbyname(mib1, buf, &len, NULL, NULL);
if (i) {
msgDebug("kget: error retrieving data\n");
goto pnp;
}
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;
}
pnp:
/* Now, print the changes to PnP override table */
i = sysctlbyname(mib2, NULL, &len, NULL, NULL);
if (i) {
/* Possibly our kernel doesn't support PnP. Ignore the error. */
msgDebug("kget: can't get PnP data - skipping...\n");
goto bail;
}
if (len <= 0) {
msgDebug("kget: PnP data has length of %d\n", len);
goto bail;
}
buf = (char *)alloca(len * sizeof(char));
i = sysctlbyname(mib2, buf, &len, NULL, NULL);
if (i) {
msgDebug("kget: error retrieving data mib2\n");
goto bail;
}
/* Print the PnP override table. Taken from userconfig.c */
i = 0;
do {
c = (struct pnp_cinfo *)(buf + i);
if (c->csn >0 && c->csn != 255) {
int pmax, mmax;
if (c->enable == 0) {
bytes_written += fprintf(fout, "pnp %d %d disable\n",
c->csn, c->ldn);
continue;
}
bytes_written += fprintf(fout, "pnp %d %d %s irq0 %d irq1 %d drq0 %d drq1 %d",
c->csn, c->ldn, c->override ? "os":"bios",
c->irq[0], c->irq[1], c->drq[0], c->drq[1]);
if (c->flags)
bytes_written += fprintf(fout, " flags 0x%lx", c->flags);
pmax = 0;
while (c->port[pmax] != 0 && pmax < 8) {
bytes_written += fprintf(fout, " port%d %d", pmax, c->port[pmax]);
pmax++;
}
mmax = 0;
while (c->mem[mmax].base != 0 && mmax < 8) {
bytes_written += fprintf(fout, " mem%d %d",
mmax, (int)c->mem[mmax].base);
mmax++;
}
bytes_written += fprintf(fout,"\n");
}
} while ((i += sizeof(struct pnp_cinfo)) < len);
bail:
if (bytes_written)
fprintf(fout, "q\n");
else
unlink(out);
fclose(fout);
return 0;
}
#endif /* !alpha */
|
