freebsd-dev/sbin/kget/kget.c

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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.
*
1999-08-28 00:22:10 +00:00
* $FreeBSD$
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/sysctl.h>
#include <machine/uc_device.h>
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struct uc_device *id;
char *p;
int
main(int argc, char *argv[])
{
int len,i;
char *buf;
char *mib1="machdep.uc_devlist";
char name[9];
FILE *fout;
if(argc<2) {
fout=stdout;
} else {
if(strcmp(argv[1],"-")==0) {
fout=stdout;
} else {
fout=fopen(argv[1],"w");
if(fout==NULL) {
perror("opening output file");
exit(1);
}
}
}
/* We use sysctlbyname, because the oid is unknown (OID_AUTO) */
/* Print the changes made to ISA devices */
/* get the buffer size */
i=sysctlbyname(mib1,NULL,&len,NULL,NULL);
if(i) {
perror("buffer sizing");
exit(-1);
}
buf=(char *)malloc(len*sizeof(char));
if (buf==NULL) {
perror("malloc");
exit(-1);
}
i=sysctlbyname(mib1,buf,&len,NULL,NULL);
if(i) {
perror("retrieving data");
exit(-1);
}
i=0;
while(i<len) {
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id=(struct uc_device *)(buf+i);
p=(buf+i+sizeof(struct uc_device));
strncpy(name,p,8);
if(!id->id_enabled) {
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fprintf(fout,"disable %s%d\n",name,id->id_unit);
} else {
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fprintf(fout,"enable %s%d\n",name,id->id_unit);
if(id->id_iobase>0) {
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fprintf(fout,"port %s%d %#x\n",name,id->id_unit,
id->id_iobase);
}
if(id->id_irq>0) {
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fprintf(fout,"irq %s%d %d\n",name,id->id_unit,
ffs(id->id_irq)-1);
}
if(id->id_drq>0) {
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fprintf(fout,"drq %s%d %d\n",name,id->id_unit,
id->id_drq);
}
if(id->id_maddr>0) {
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fprintf(fout,"iomem %s%d %#x\n",name,id->id_unit,
id->id_maddr);
}
if(id->id_msize>0) {
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fprintf(fout,"iosize %s%d %d\n",name,id->id_unit,
id->id_msize);
}
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fprintf(fout,"flags %s%d %#x\n",name,id->id_unit,
id->id_flags);
}
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i+=sizeof(struct uc_device)+8;
}
free(buf);
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fprintf(fout,"quit\n");
fclose(fout);
exit(0);
}