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make this work with OBP2

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This commit is contained in:
macallan 2007-05-25 18:27:05 +00:00
parent 68f37fd0aa
commit 74ab4a8402
1 changed files with 15 additions and 3 deletions
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18
usr.sbin/ofctl/ofctl.c
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@ -1,4 +1,4 @@
/* $NetBSD: ofctl.c,v 1.2 2006/10/03 02:03:33 wiz Exp $ */
/* $NetBSD: ofctl.c,v 1.3 2007/05/25 18:27:05 macallan Exp $ */
/*-
* Copyright (c) 2006 The NetBSD Foundation, Inc.
@ -505,6 +505,7 @@ ofname(int node, char *buf, size_t buflen)
if (parent == 0) {
parent = OF_parent(node);
for (;;) {
len = OF_getprop(parent, "#size-cells",
address_cells_buf, sizeof(address_cells_buf));
@ -516,11 +517,22 @@ ofname(int node, char *buf, size_t buflen)
if (parent == 0)
break;
}
assert(parent != 0);
/* no #size-cells */
len = 0;
}
if (len == 0) {
/* looks like we're on an OBP2 system */
if (reglen > 12)
return off;
off += snprintf(buf + off, buflen - off, "@");
memcpy(reg, reg_buf, 8);
off += snprintf(buf + off, buflen - off, "%x,%x", reg[0],
reg[1]);
return off;
}
off += snprintf(buf + off, buflen - off, "@");
address_cells = of_decode_int(address_cells_buf);
for (len = 0; len < address_cells; len ++)
reg[len] = of_decode_int(&reg_buf[len * 4]);