| /* |
| * libfdt - Flat Device Tree manipulation |
| * Basic testcase for read-only access |
| * Copyright (C) 2006 David Gibson, IBM Corporation. |
| * |
| * 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 <limits.h> |
| #include <stdint.h> |
| |
| #include <fdt.h> |
| #include <libfdt.h> |
| |
| #include "tests.h" |
| #include "testdata.h" |
| |
| int main(int argc, char *argv[]) |
| { |
| void *fdt, *fdt1, *fdt2, *fdt3; |
| void *buf; |
| int shuntsize; |
| int bufsize; |
| int err; |
| const char *inname; |
| char outname[PATH_MAX]; |
| |
| test_init(argc, argv); |
| fdt = load_blob_arg(argc, argv); |
| inname = argv[1]; |
| |
| shuntsize = ALIGN(fdt_totalsize(fdt) / 2, sizeof(uint64_t)); |
| bufsize = fdt_totalsize(fdt) + shuntsize; |
| buf = xmalloc(bufsize); |
| |
| fdt1 = buf; |
| err = fdt_move(fdt, fdt1, bufsize); |
| if (err) |
| FAIL("Failed to move tree into new buffer: %s", |
| fdt_strerror(err)); |
| sprintf(outname, "moved.%s", inname); |
| save_blob(outname, fdt1); |
| |
| fdt2 = buf + shuntsize; |
| err = fdt_move(fdt1, fdt2, bufsize-shuntsize); |
| if (err) |
| FAIL("Failed to shunt tree %d bytes: %s", |
| shuntsize, fdt_strerror(err)); |
| sprintf(outname, "shunted.%s", inname); |
| save_blob(outname, fdt2); |
| |
| fdt3 = buf; |
| err = fdt_move(fdt2, fdt3, bufsize); |
| if (err) |
| FAIL("Failed to deshunt tree %d bytes: %s", |
| shuntsize, fdt_strerror(err)); |
| sprintf(outname, "deshunted.%s", inname); |
| save_blob(outname, fdt3); |
| |
| PASS(); |
| } |