1 files changed, 85 insertions, 0 deletions
diff --git a/usr/src/psm/promif/ieee1275/common/prom_2path.c b/usr/src/psm/promif/ieee1275/common/prom_2path.c
new file mode 100644
index 0000000000..50bdada053
--- /dev/null
+++ b/usr/src/psm/promif/ieee1275/common/prom_2path.c
@@ -0,0 +1,85 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 1991-1994,1998,2002 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#include <sys/promif.h>
+#include <sys/promimpl.h>
+
+static int token2path(char *svc, uint_t token, char *buf, uint_t len);
+
+int
+prom_ihandle_to_path(ihandle_t instance, char *buf, uint_t len)
+{
+	return (token2path("instance-to-path", (uint_t)instance, buf, len));
+}
+
+int
+prom_phandle_to_path(phandle_t package, char *buf, uint_t len)
+{
+	return (token2path("package-to-path", (uint_t)package, buf, len));
+}
+
+static int
+token2path(char *service, uint_t token, char *buf, uint_t len)
+{
+	cell_t ci[7];
+	int rv;
+#ifdef PROM_32BIT_ADDRS
+	char *obuf = NULL;
+
+	if ((uintptr_t)buf > (uint32_t)-1) {
+		obuf = buf;
+		buf = promplat_alloc(len);
+		if (buf == NULL) {
+			return (-1);
+		}
+	}
+#endif
+
+	promif_preprom();
+
+	ci[0] = p1275_ptr2cell(service);	/* Service name */
+	ci[1] = 3;				/* #argument cells */
+	ci[2] = 1;				/* #return cells */
+	ci[3] = p1275_uint2cell(token);		/* Arg1: ihandle/phandle */
+	ci[4] = p1275_ptr2cell(buf);		/* Arg2: Result buffer */
+	ci[5] = p1275_uint2cell(len);		/* Arg3: Buffer len */
+	rv = p1275_cif_handler(&ci);
+
+	promif_postprom();
+
+#ifdef PROM_32BIT_ADDRS
+	if (obuf != NULL) {
+		promplat_bcopy(buf, obuf, len);
+		promplat_free(buf, len);
+	}
+#endif
+
+	if (rv != 0)
+		return (-1);
+	return (p1275_cell2int(ci[6]));		/* Res1: Actual length */
+}