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  • Committer: Phil Dennis-Jordan
  • Date: 2017-07-21 08:03:43 UTC
  • mfrom: (1.1.1)
  • Revision ID: phil@philjordan.eu-20170721080343-2yr2vdj7713czahv
New upstream release 2.9.0.

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dtc/tests/sw_tree1.c
 
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/*
 
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 * libfdt - Flat Device Tree manipulation
 
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 *      Testcase for fdt_nop_node()
 
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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.
 
15
 *
 
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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 <ctype.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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#define SPACE   65536
 
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static enum {
 
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        FIXED = 0,
 
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        RESIZE,
 
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        REALLOC,
 
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} alloc_mode;
 
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static void realloc_fdt(void **fdt, size_t *size, bool created)
 
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{
 
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        switch (alloc_mode) {
 
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        case FIXED:
 
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                if (!(*fdt))
 
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                        *fdt = xmalloc(*size);
 
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                else
 
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                        FAIL("Ran out of space");
 
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                return;
 
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        case RESIZE:
 
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                if (!(*fdt)) {
 
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                        *fdt = xmalloc(SPACE);
 
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                } else if (*size < SPACE) {
 
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                        *size += 1;
 
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                        fdt_resize(*fdt, *fdt, *size);
 
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                } else {
 
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                        FAIL("Ran out of space");
 
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                }               
 
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                return;
 
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        case REALLOC:
 
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                *size += 1;
 
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                *fdt = xrealloc(*fdt, *size);
 
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                if (created)
 
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                        fdt_resize(*fdt, *fdt, *size);
 
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                return;
 
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        default:
 
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                CONFIG("Bad allocation mode");
 
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        }
 
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}
 
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#define CHECK(code) \
 
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        do {                          \
 
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                err = (code);                        \
 
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                if (err == -FDT_ERR_NOSPACE)                    \
 
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                        realloc_fdt(&fdt, &size, created);              \
 
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                else if (err)                                           \
 
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                        FAIL(#code ": %s", fdt_strerror(err));          \
 
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        } while (err != 0)
 
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int main(int argc, char *argv[])
 
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{
 
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        void *fdt = NULL;
 
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        size_t size;
 
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        int err;
 
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        bool created = false;
 
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        test_init(argc, argv);
 
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        if (argc == 1) {
 
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                alloc_mode = FIXED;
 
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                size = SPACE;
 
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        } else if (argc == 2) {
 
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                if (streq(argv[1], "resize")) {
 
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                        alloc_mode = REALLOC;
 
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                        size = 0;
 
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                } else if (streq(argv[1], "realloc")) {
 
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                        alloc_mode = REALLOC;
 
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                        size = 0;
 
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                } else {
 
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                        char *endp;
 
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                        size = strtoul(argv[1], &endp, 0);
 
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                        if (*endp == '\0')
 
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                                alloc_mode = FIXED;
 
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                        else 
 
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                                CONFIG("Bad allocation mode \"%s\" specified",
 
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                                       argv[1]);
 
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                }
 
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        }
 
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        fdt = xmalloc(size);
 
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        CHECK(fdt_create(fdt, size));
 
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        created = true;
 
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        CHECK(fdt_add_reservemap_entry(fdt, TEST_ADDR_1, TEST_SIZE_1));
 
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        CHECK(fdt_add_reservemap_entry(fdt, TEST_ADDR_2, TEST_SIZE_2));
 
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        CHECK(fdt_finish_reservemap(fdt));
 
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        CHECK(fdt_begin_node(fdt, ""));
 
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        CHECK(fdt_property_string(fdt, "compatible", "test_tree1"));
 
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        CHECK(fdt_property_u32(fdt, "prop-int", TEST_VALUE_1));
 
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        CHECK(fdt_property_u64(fdt, "prop-int64", TEST_VALUE64_1));
 
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        CHECK(fdt_property_string(fdt, "prop-str", TEST_STRING_1));
 
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        CHECK(fdt_property_u32(fdt, "#address-cells", 1));
 
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        CHECK(fdt_property_u32(fdt, "#size-cells", 0));
 
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        CHECK(fdt_begin_node(fdt, "subnode@1"));
 
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        CHECK(fdt_property_string(fdt, "compatible", "subnode1"));
 
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        CHECK(fdt_property_u32(fdt, "reg", 1));
 
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        CHECK(fdt_property_cell(fdt, "prop-int", TEST_VALUE_1));
 
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        CHECK(fdt_begin_node(fdt, "subsubnode"));
 
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        CHECK(fdt_property(fdt, "compatible", "subsubnode1\0subsubnode",
 
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                           23));
 
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        CHECK(fdt_property_cell(fdt, "prop-int", TEST_VALUE_1));
 
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        CHECK(fdt_end_node(fdt));
 
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        CHECK(fdt_begin_node(fdt, "ss1"));
 
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        CHECK(fdt_end_node(fdt));
 
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        CHECK(fdt_end_node(fdt));
 
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        CHECK(fdt_begin_node(fdt, "subnode@2"));
 
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        CHECK(fdt_property_u32(fdt, "reg", 2));
 
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        CHECK(fdt_property_cell(fdt, "linux,phandle", PHANDLE_1));
 
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        CHECK(fdt_property_cell(fdt, "prop-int", TEST_VALUE_2));
 
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        CHECK(fdt_property_u32(fdt, "#address-cells", 1));
 
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        CHECK(fdt_property_u32(fdt, "#size-cells", 0));
 
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        CHECK(fdt_begin_node(fdt, "subsubnode@0"));
 
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        CHECK(fdt_property_u32(fdt, "reg", 0));
 
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        CHECK(fdt_property_cell(fdt, "phandle", PHANDLE_2));
 
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        CHECK(fdt_property(fdt, "compatible", "subsubnode2\0subsubnode",
 
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                           23));
 
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        CHECK(fdt_property_cell(fdt, "prop-int", TEST_VALUE_2));
 
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        CHECK(fdt_end_node(fdt));
 
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        CHECK(fdt_begin_node(fdt, "ss2"));
 
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        CHECK(fdt_end_node(fdt));
 
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        CHECK(fdt_end_node(fdt));
 
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        CHECK(fdt_end_node(fdt));
 
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164
        save_blob("unfinished_tree1.test.dtb", fdt);
 
165
 
 
166
        CHECK(fdt_finish(fdt));
 
167
 
 
168
        verbose_printf("Completed tree, totalsize = %d\n",
 
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                       fdt_totalsize(fdt));
 
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        save_blob("sw_tree1.test.dtb", fdt);
 
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        PASS();
 
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}