126 lines
3.6 KiB
C
126 lines
3.6 KiB
C
/*-
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* Copyright (c) 1999 Andrzej Bialecki <abial@freebsd.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef __i386__
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int
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kget(char *out)
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{
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return -1;
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}
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#else
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#include "sysinstall.h"
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#include <sys/sysctl.h>
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#include <machine/uc_device.h>
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int
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kget(char *out)
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{
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int len, i, bytes_written = 0;
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char *buf;
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char *mib1 = "machdep.uc_devlist";
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char name[9];
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FILE *fout = NULL;
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struct uc_device *id;
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char *p;
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/* create the output file; if we end up not writing to it, we'll
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unlink() it later. */
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fout = fopen(out, "w");
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if (fout == NULL) {
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msgDebug("kget: Unable to open %s for writing.\n", out);
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return -1;
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}
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/* We use sysctlbyname, because the oid is unknown (OID_AUTO) */
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/* get the buffer size */
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i = sysctlbyname(mib1, NULL, &len, NULL, NULL);
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if (i) {
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msgDebug("kget: error buffer sizing\n");
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goto bail;
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}
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if (len <= 0) {
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msgDebug("kget: mib1 has length of %d\n", len);
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goto bail;
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}
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buf = (char *)alloca(len * sizeof(char));
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i = sysctlbyname(mib1, buf, &len, NULL, NULL);
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if (i) {
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msgDebug("kget: error retrieving data\n");
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goto bail;
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}
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i = 0;
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while (i < len) {
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id = (struct uc_device *)(buf + i);
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p = (buf + i + sizeof(struct uc_device));
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strncpy(name, p, 8);
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if (!id->id_enabled) {
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bytes_written += fprintf(fout, "di %s%d\n", name, id->id_unit);
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}
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else {
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bytes_written += fprintf(fout, "en %s%d\n", name, id->id_unit);
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if (id->id_iobase > 0) {
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bytes_written += fprintf(fout, "po %s%d %#x\n",
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name, id->id_unit, id->id_iobase);
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}
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if (id->id_irq > 0) {
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bytes_written += fprintf(fout, "ir %s%d %d\n", name,
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id->id_unit, ffs(id->id_irq) - 1);
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}
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if (id->id_drq > 0) {
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bytes_written += fprintf(fout, "dr %s%d %d\n", name,
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id->id_unit, id->id_drq);
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}
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if (id->id_maddr > 0) {
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bytes_written += fprintf(fout, "iom %s%d %#x\n", name,
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id->id_unit, (u_int)id->id_maddr);
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}
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if (id->id_msize > 0) {
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bytes_written += fprintf(fout, "ios %s%d %d\n", name,
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id->id_unit, id->id_msize);
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}
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bytes_written += fprintf(fout, "f %s%d %#x\n", name,
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id->id_unit, id->id_flags);
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}
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i += sizeof(struct uc_device) + 8;
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}
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bail:
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if (bytes_written)
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fprintf(fout, "q\n");
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else
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unlink(out);
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fclose(fout);
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return 0;
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}
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#endif /* !alpha */
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