forked from Imagelibrary/rtems
159 lines
4.2 KiB
C
159 lines
4.2 KiB
C
/* SPDX-License-Identifier: BSD-2-Clause */
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/*
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* Copyright (c) 2015 embedded brains GmbH & Co. KG
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "tmacros.h"
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#include <libfdt.h>
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#include <string.h>
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#include "some.h"
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/*
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* To generate the FDT blob use:
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*
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* dtc some.dts -O asm > some.s
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* as some.s -o some.o
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* objcopy -O binary some.o some.bin
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* rtems-bin2c some.bin some.c
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*/
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const char rtems_test_name[] = "LIBFDT 1";
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static void test(void)
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{
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const void *fdt = some_bin;
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int status;
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uint32_t size;
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const char *alias;
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int root;
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int cells;
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const char *prop;
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fdt32_t *prop_32;
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int len;
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int d;
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int m;
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int t;
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int node;
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uint32_t phandle;
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uint32_t cell;
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status = fdt_check_header(fdt);
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rtems_test_assert(status == 0);
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size = fdt_totalsize(fdt);
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rtems_test_assert(size == some_bin_size);
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alias = fdt_get_alias(fdt, "nix");
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rtems_test_assert(alias == NULL);
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alias = fdt_get_alias(fdt, "k");
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rtems_test_assert(strcmp(alias, "/m@1248") == 0);
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root = fdt_path_offset(fdt, "nix");
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rtems_test_assert(root == -FDT_ERR_BADPATH);
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root = fdt_path_offset(fdt, "/");
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rtems_test_assert(root >= 0);
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cells = fdt_address_cells(fdt, root);
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rtems_test_assert(cells == 1);
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cells = fdt_size_cells(fdt, root);
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rtems_test_assert(cells == 2);
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status = fdt_node_check_compatible(fdt, root, "a,b");
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rtems_test_assert(status == 0);
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status = fdt_node_check_compatible(fdt, root, "blub");
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rtems_test_assert(status == 1);
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prop = fdt_getprop(fdt, root, "model", &len);
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rtems_test_assert(len == 2);
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rtems_test_assert(memcmp(prop, "c", 2) == 0);
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d = fdt_subnode_offset(fdt, root, "slurf");
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rtems_test_assert(d == -FDT_ERR_NOTFOUND);
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d = fdt_subnode_offset(fdt, root, "d");
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rtems_test_assert(d >= 0);
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prop = fdt_getprop(fdt, d, "e", &len);
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rtems_test_assert(len == 2);
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rtems_test_assert(memcmp(prop, "f", 2) == 0);
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prop = fdt_getprop(fdt, d, "g", &len);
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rtems_test_assert(len == 0);
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rtems_test_assert(prop != NULL);
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m = fdt_subnode_offset(fdt, root, "m@1248");
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rtems_test_assert(m >= 0);
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t = fdt_subnode_offset(fdt, root, "t");
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rtems_test_assert(t >= 0);
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prop_32 = (fdt32_t *) fdt_getprop(fdt, t, "u", &len);
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rtems_test_assert(len == 4);
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phandle = fdt32_to_cpu(*prop_32);
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node = fdt_node_offset_by_phandle(fdt, phandle);
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rtems_test_assert(node == m);
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prop_32 = (fdt32_t *) fdt_getprop(fdt, m, "n", &len);
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rtems_test_assert(len == 8);
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cell = fdt32_to_cpu(prop_32[0]);
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rtems_test_assert(cell == 0xdeadbeef);
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cell = fdt32_to_cpu(prop_32[1]);
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rtems_test_assert(cell == 0x12345678);
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}
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static void Init(rtems_task_argument arg)
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{
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TEST_BEGIN();
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test();
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TEST_END();
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rtems_test_exit(0);
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}
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#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
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#define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER
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#define CONFIGURE_MAXIMUM_TASKS 1
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#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
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#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
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#define CONFIGURE_INIT
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#include <rtems/confdefs.h>
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