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88 lines
2.9 KiB
88 lines
2.9 KiB
/* |
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* libfdt - Flat Device Tree manipulation |
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* Testcase for fdt_subnode_offset() |
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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 <fdt.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 int check_subnode(struct fdt_header *fdt, int parent, const char *name) |
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{ |
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int offset; |
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const struct fdt_node_header *nh; |
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uint32_t tag; |
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verbose_printf("Checking subnode \"%s\" of %d...", name, parent); |
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offset = fdt_subnode_offset(fdt, parent, name); |
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verbose_printf("offset %d...", offset); |
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if (offset < 0) |
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FAIL("fdt_subnode_offset(\"%s\"): %s", name, fdt_strerror(offset)); |
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nh = fdt_offset_ptr(fdt, offset, sizeof(*nh)); |
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verbose_printf("pointer %p\n", nh); |
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if (! nh) |
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FAIL("NULL retrieving subnode \"%s\"", name); |
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tag = fdt32_to_cpu(nh->tag); |
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if (tag != FDT_BEGIN_NODE) |
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FAIL("Incorrect tag 0x%08x on property \"%s\"", tag, name); |
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if (!nodename_eq(nh->name, name)) |
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FAIL("Subnode name mismatch \"%s\" instead of \"%s\"", |
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nh->name, name); |
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return offset; |
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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 subnode1_offset, subnode2_offset; |
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int subsubnode1_offset, subsubnode2_offset, subsubnode2_offset2; |
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test_init(argc, argv); |
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fdt = load_blob_arg(argc, argv); |
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subnode1_offset = check_subnode(fdt, 0, "subnode@1"); |
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subnode2_offset = check_subnode(fdt, 0, "subnode@2"); |
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if (subnode1_offset == subnode2_offset) |
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FAIL("Different subnodes have same offset"); |
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check_property_cell(fdt, subnode1_offset, "prop-int", TEST_VALUE_1); |
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check_property_cell(fdt, subnode2_offset, "prop-int", TEST_VALUE_2); |
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subsubnode1_offset = check_subnode(fdt, subnode1_offset, "subsubnode"); |
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subsubnode2_offset = check_subnode(fdt, subnode2_offset, "subsubnode@0"); |
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subsubnode2_offset2 = check_subnode(fdt, subnode2_offset, "subsubnode"); |
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check_property_cell(fdt, subsubnode1_offset, "prop-int", TEST_VALUE_1); |
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check_property_cell(fdt, subsubnode2_offset, "prop-int", TEST_VALUE_2); |
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check_property_cell(fdt, subsubnode2_offset2, "prop-int", TEST_VALUE_2); |
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if (subsubnode2_offset != subsubnode2_offset2) |
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FAIL("Different offsets with and without unit address"); |
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PASS(); |
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}
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