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-rw-r--r--tests/addr_size_cells.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/tests/addr_size_cells.c b/tests/addr_size_cells.c
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+++ b/tests/addr_size_cells.c
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+/*
+ * libfdt - Flat Device Tree manipulation
+ * Testcase for #address-cells and #size-cells handling
+ * Copyright (C) 2014 David Gibson, <david@gibson.dropbear.id.au>
+ *
+ * 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 <libfdt.h>
+
+#include "tests.h"
+#include "testdata.h"
+
+static void check_node(const void *fdt, const char *path, int ac, int sc)
+{
+ int offset;
+ int xac, xsc;
+
+ offset = fdt_path_offset(fdt, path);
+ if (offset < 0)
+ FAIL("Couldn't find path %s", path);
+
+ xac = fdt_address_cells(fdt, offset);
+ xsc = fdt_size_cells(fdt, offset);
+
+ if (xac != ac)
+ FAIL("Address cells for %s is %d instead of %d\n",
+ path, xac, ac);
+ if (xsc != sc)
+ FAIL("Size cells for %s is %d instead of %d\n",
+ path, xsc, sc);
+}
+
+int main(int argc, char *argv[])
+{
+ void *fdt;
+
+ if (argc != 2)
+ CONFIG("Usage: %s <dtb file>\n", argv[0]);
+
+ test_init(argc, argv);
+ fdt = load_blob(argv[1]);
+
+ check_node(fdt, "/", 2, 2);
+ check_node(fdt, "/identity-bus@0", 2, 2);
+ check_node(fdt, "/simple-bus@1000000", 2, 1);
+ PASS();
+}