/*
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* libfdt - Flat Device Tree manipulation
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* Testcase for phandle references in dtc
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* Copyright (C) 2006 David Gibson, IBM Corporation.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdint.h>
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#include <libfdt.h>
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#include "tests.h"
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#include "testdata.h"
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static void check_ref(const void *fdt, int node, uint32_t checkref)
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{
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const fdt32_t *p;
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uint32_t ref;
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int len;
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p = fdt_getprop(fdt, node, "ref", &len);
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if (!p)
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FAIL("fdt_getprop(%d, \"ref\"): %s", node, fdt_strerror(len));
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if (len != sizeof(*p))
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FAIL("'ref' in node at %d has wrong size (%d instead of %zd)",
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node, len, sizeof(*p));
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ref = fdt32_to_cpu(*p);
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if (ref != checkref)
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FAIL("'ref' in node at %d has value 0x%x instead of 0x%x",
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node, ref, checkref);
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p = fdt_getprop(fdt, node, "lref", &len);
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if (!p)
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FAIL("fdt_getprop(%d, \"lref\"): %s", node, fdt_strerror(len));
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if (len != sizeof(*p))
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FAIL("'lref' in node at %d has wrong size (%d instead of %zd)",
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node, len, sizeof(*p));
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ref = fdt32_to_cpu(*p);
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if (ref != checkref)
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FAIL("'lref' in node at %d has value 0x%x instead of 0x%x",
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node, ref, checkref);
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}
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static void check_rref(const void *fdt)
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{
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const fdt32_t *p;
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uint32_t ref;
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int len;
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p = fdt_getprop(fdt, 0, "rref", &len);
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if (!p)
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FAIL("fdt_getprop(0, \"rref\"): %s", fdt_strerror(len));
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if (len != sizeof(*p))
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FAIL("'rref' in root node has wrong size (%d instead of %zd)",
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len, sizeof(*p));
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ref = fdt32_to_cpu(*p);
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if (ref != fdt_get_phandle(fdt, 0))
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FAIL("'rref' in root node has value 0x%x instead of 0x0", ref);
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}
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int main(int argc, char *argv[])
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{
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void *fdt;
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int n1, n2, n3, n4, n5;
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uint32_t h1, h2, h4, h5;
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test_init(argc, argv);
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fdt = load_blob_arg(argc, argv);
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n1 = fdt_path_offset(fdt, "/node1");
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if (n1 < 0)
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FAIL("fdt_path_offset(/node1): %s", fdt_strerror(n1));
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n2 = fdt_path_offset(fdt, "/node2");
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if (n2 < 0)
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FAIL("fdt_path_offset(/node2): %s", fdt_strerror(n2));
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n3 = fdt_path_offset(fdt, "/node3");
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if (n3 < 0)
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FAIL("fdt_path_offset(/node3): %s", fdt_strerror(n3));
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n4 = fdt_path_offset(fdt, "/node4");
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if (n4 < 0)
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FAIL("fdt_path_offset(/node4): %s", fdt_strerror(n4));
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n5 = fdt_path_offset(fdt, "/node5");
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if (n5 < 0)
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FAIL("fdt_path_offset(/node5): %s", fdt_strerror(n5));
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h1 = fdt_get_phandle(fdt, n1);
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h2 = fdt_get_phandle(fdt, n2);
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h4 = fdt_get_phandle(fdt, n4);
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h5 = fdt_get_phandle(fdt, n5);
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if (h1 != 0x2000)
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FAIL("/node1 has wrong phandle, 0x%x instead of 0x%x",
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h1, 0x2000);
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if (h2 != 0x1)
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FAIL("/node2 has wrong phandle, 0x%x instead of 0x%x",
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h2, 0x1);
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if ((h4 == 0x2000) || (h4 == 0x1) || (h4 == 0))
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FAIL("/node4 has bad phandle, 0x%x", h4);
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if ((h5 == 0) || (h5 == -1))
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FAIL("/node5 has bad phandle, 0x%x", h5);
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if ((h5 == h4) || (h5 == h2) || (h5 == h1))
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FAIL("/node5 has duplicate phandle, 0x%x", h5);
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check_ref(fdt, n1, h2);
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check_ref(fdt, n2, h1);
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check_ref(fdt, n3, h4);
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check_rref(fdt);
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PASS();
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}
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