/*-
* Copyright (c) 2002 by Thomas Moestl <tmm@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 ``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.
*/
#include <sys/cdefs.h>
#include <dev/ofw/openfirm.h>
#include <dev/ofw/openfirmio.h>
#include <err.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sysexits.h>
#include <unistd.h>
#include <vis.h>
#include "ofw_util.h"
/* Constants controlling the layout of the output. */
#define LVLINDENT 2
#define NAMEINDENT 2
#define DUMPINDENT 4
#define CHARSPERLINE 60
#define BYTESPERLINE (CHARSPERLINE / 3)
static void usage(void);
static void ofw_indent(int);
static void ofw_dump_properties(int, phandle_t, int, int, int);
static void ofw_dump_property(int fd, phandle_t n, int level,
const char *prop, int raw, int str);
static void ofw_dump(int, const char *, int, int, const char *, int, int);
static void
usage(void)
{
fprintf(stderr,
"usage: ofwdump -a [-p | -P property] [-R | -S]\n"
" ofwdump [-p | -P property] [-r] [-R | -S] [--] nodes\n");
exit(EX_USAGE);
}
int
main(int argc, char *argv[])
{
int opt, i, fd;
int aflag, pflag, rflag, Rflag, Sflag;
char *Parg;
aflag = pflag = rflag = Rflag = Sflag = 0;
Parg = NULL;
while ((opt = getopt(argc, argv, "-aprP:RS")) != -1) {
if (opt == '-')
break;
switch (opt) {
case 'a':
aflag = 1;
rflag = 1;
break;
case 'p':
if (Parg != NULL)
usage();
pflag = 1;
break;
case 'r':
rflag = 1;
break;
case 'P':
if (pflag)
usage();
pflag = 1;
Parg = optarg;
break;
case 'R':
if (Sflag)
usage();
Rflag = 1;
break;
case 'S':
if (Rflag)
usage();
Sflag = 1;
break;
case '?':
default:
usage();
/* NOTREACHED */
}
}
argc -= optind;
argv += optind;
fd = ofw_open(O_RDONLY);
if (aflag) {
if (argc != 0)
usage();
ofw_dump(fd, NULL, rflag, pflag, Parg, Rflag, Sflag);
} else {
/*
* For the sake of scripts, usage() is not called here if
* argc == 0.
*/
for (i = 0; i < argc; i++)
ofw_dump(fd, argv[i], rflag, pflag, Parg, Rflag, Sflag);
}
ofw_close(fd);
return (EX_OK);
}
static void
ofw_indent(int level)
{
int i;
for (i = 0; i < level; i++)
putchar(' ');
}
static void
ofw_dump_properties(int fd, phandle_t n, int level, int raw, int str)
{
int nlen;
char prop[OFIOCSUGGPROPNAMELEN];
for (nlen = ofw_firstprop(fd, n, prop, sizeof(prop)); nlen != 0;
nlen = ofw_nextprop(fd, n, prop, prop, sizeof(prop)))
ofw_dump_property(fd, n, level, prop, raw, str);
}
static void
ofw_dump_property(int fd, phandle_t n, int level, const char *prop, int raw,
int str)
{
static void *pbuf = NULL;
static char *visbuf = NULL;
static char printbuf[CHARSPERLINE + 1];
static int pblen = 0, vblen = 0;
int len, i, j, max, vlen;
len = ofw_getprop_alloc(fd, n, prop, &pbuf, &pblen, 1);
if (len < 0)
return;
if (raw)
write(STDOUT_FILENO, pbuf, len);
else if (str)
printf("%.*s\n", len, (char *)pbuf);
else {
ofw_indent(level * LVLINDENT + NAMEINDENT);
printf("%s:\n", prop);
/* Print in hex. */
for (i = 0; i < len; i += BYTESPERLINE) {
max = len - i;
max = max > BYTESPERLINE ? BYTESPERLINE : max;
ofw_indent(level * LVLINDENT + DUMPINDENT);
for (j = 0; j < max; j++)
printf("%02x ",
((unsigned char *)pbuf)[i + j]);
printf("\n");
}
/*
* strvis() and print if it looks like it is
* zero-terminated.
*/
if (((char *)pbuf)[len - 1] == '\0' &&
strlen(pbuf) == (unsigned)len - 1) {
if (vblen < (len - 1) * 4 + 1) {
if (visbuf != NULL)
free(visbuf);
vblen = (OFIOCMAXVALUE + len) * 4 + 1;
if ((visbuf = malloc(vblen)) == NULL)
err(EX_OSERR,
"malloc() failed");
}
vlen = strvis(visbuf, pbuf, VIS_TAB | VIS_NL);
for (i = 0; i < vlen; i += CHARSPERLINE) {
ofw_indent(level * LVLINDENT +
DUMPINDENT);
strlcpy(printbuf, &visbuf[i],
sizeof(printbuf));
printf("'%s'\n", printbuf);
}
}
}
}
static void
ofw_dump_node(int fd, phandle_t n, int level, int rec, int prop,
const char *pmatch, int raw, int str)
{
static void *nbuf = NULL;
static int nblen = 0;
int plen;
phandle_t c;
if (!(raw || str)) {
ofw_indent(level * LVLINDENT);
printf("Node %#lx", (unsigned long)n);
plen = ofw_getprop_alloc(fd, n, "name", &nbuf, &nblen, 1);
if (plen > 0)
printf(": %.*s\n", (int)plen, (char *)nbuf);
else
putchar('\n');
}
if (prop) {
if (pmatch)
ofw_dump_property(fd, n, level, pmatch, raw, str);
else
ofw_dump_properties(fd, n, level, raw, str);
}
if (rec) {
for (c = ofw_child(fd, n); c != 0; c = ofw_peer(fd, c)) {
ofw_dump_node(fd, c, level + 1, rec, prop, pmatch,
raw, str);
}
}
}
static void
ofw_dump(int fd, const char *start, int rec, int prop, const char *pmatch,
int raw, int str)
{
phandle_t n;
n = start == NULL ? ofw_root(fd) : ofw_finddevice(fd, start);
ofw_dump_node(fd, n, 0, rec, prop, pmatch, raw, str);
}
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