This patch adds a testcase for dtc's reference-to-phandle
functionality.
Signed-off-by: David Gibson <[EMAIL PROTECTED]>
Index: dtc/tests/references.dts
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ dtc/tests/references.dts 2007-11-12 20:47:05.000000000 +1100
@@ -0,0 +1,23 @@
+/dts-v1/;
+
+/ {
+ /* Explicit phandles */
+ n1: node1 {
+ linux,phandle = <0x2000>;
+ ref = <&/node2>; /* reference precedes target */
+ lref = <&n2>;
+ };
+ n2: node2 {
+ linux,phandle = <0x1>;
+ ref = <&/node1>; /* reference after target */
+ lref = <&n1>;
+ };
+
+ /* Implicit phandles */
+ n3: node3 {
+ ref = <&/node4>;
+ lref = <&n4>;
+ };
+ n4: node4 {
+ };
+};
Index: dtc/tests/Makefile.tests
===================================================================
--- dtc.orig/tests/Makefile.tests 2007-11-12 20:49:56.000000000 +1100
+++ dtc/tests/Makefile.tests 2007-11-12 20:50:01.000000000 +1100
@@ -9,7 +9,8 @@
sw_tree1 \
move_and_save mangle-layout \
open_pack rw_tree1 setprop del_property del_node \
- string_escapes dtbs_equal_ordered
+ string_escapes references \
+ dtbs_equal_ordered
LIB_TESTS = $(LIB_TESTS_L:%=$(TESTS_PREFIX)%)
LIBTREE_TESTS_L = truncated_property
Index: dtc/tests/references.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ dtc/tests/references.c 2007-11-12 21:23:33.000000000 +1100
@@ -0,0 +1,100 @@
+/*
+ * libfdt - Flat Device Tree manipulation
+ * Testcase for phandle references in dtc
+ * Copyright (C) 2006 David Gibson, IBM Corporation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+
+#include <fdt.h>
+#include <libfdt.h>
+
+#include "tests.h"
+#include "testdata.h"
+
+void check_ref(const void *fdt, int node, uint32_t checkref)
+{
+ const uint32_t *p;
+ uint32_t ref;
+ int len;
+
+ p = fdt_getprop(fdt, node, "ref", &len);
+ if (!p)
+ FAIL("fdt_getprop(%d, \"ref\"): %s", node, fdt_strerror(len));
+ if (len != sizeof(*p))
+ FAIL("'ref' in node at %d has wrong size (%d instead of %d)",
+ node, len, sizeof(*p));
+ ref = fdt32_to_cpu(*p);
+ if (ref != checkref)
+ FAIL("'ref' in node at %d has value 0x%x instead of 0x%x",
+ node, ref, checkref);
+
+ p = fdt_getprop(fdt, node, "lref", &len);
+ if (!p)
+ FAIL("fdt_getprop(%d, \"lref\"): %s", node, fdt_strerror(len));
+ if (len != sizeof(*p))
+ FAIL("'lref' in node at %d has wrong size (%d instead of %d)",
+ node, len, sizeof(*p));
+ ref = fdt32_to_cpu(*p);
+ if (ref != checkref)
+ FAIL("'lref' in node at %d has value 0x%x instead of 0x%x",
+ node, ref, checkref);
+}
+
+int main(int argc, char *argv[])
+{
+ void *fdt;
+ int n1, n2, n3, n4;
+ uint32_t h1, h2, h4;
+
+ test_init(argc, argv);
+ fdt = load_blob_arg(argc, argv);
+
+ n1 = fdt_path_offset(fdt, "/node1");
+ if (n1 < 0)
+ FAIL("fdt_path_offset(/node1): %s", fdt_strerror(n1));
+ n2 = fdt_path_offset(fdt, "/node2");
+ if (n2 < 0)
+ FAIL("fdt_path_offset(/node2): %s", fdt_strerror(n2));
+ n3 = fdt_path_offset(fdt, "/node3");
+ if (n3 < 0)
+ FAIL("fdt_path_offset(/node3): %s", fdt_strerror(n3));
+ n4 = fdt_path_offset(fdt, "/node4");
+ if (n4 < 0)
+ FAIL("fdt_path_offset(/node4): %s", fdt_strerror(n4));
+
+ h1 = fdt_get_phandle(fdt, n1);
+ h2 = fdt_get_phandle(fdt, n2);
+ h4 = fdt_get_phandle(fdt, n4);
+
+ if (h1 != 0x2000)
+ FAIL("/node1 has wrong phandle, 0x%x instead of 0x%x",
+ h1, 0x2000);
+ if (h2 != 0x1)
+ FAIL("/node2 has wrong phandle, 0x%x instead of 0x%x",
+ h2, 0x1);
+ if ((h4 == 0x2000) || (h4 == 0x1) || (h4 == 0))
+ FAIL("/node4 has bad phandle, 0x%x", h4);
+
+ check_ref(fdt, n1, h2);
+ check_ref(fdt, n2, h1);
+ check_ref(fdt, n3, h4);
+
+ PASS();
+}
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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