diff options
Diffstat (limited to 'tests/overlay_bad_fixup.c')
-rw-r--r-- | tests/overlay_bad_fixup.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/tests/overlay_bad_fixup.c b/tests/overlay_bad_fixup.c new file mode 100644 index 0000000000000..5014f5ec0868e --- /dev/null +++ b/tests/overlay_bad_fixup.c @@ -0,0 +1,70 @@ +/* + * libfdt - Flat Device Tree manipulation + * Testcase for DT overlays() + * Copyright (C) 2016 Free Electrons + * Copyright (C) 2016 NextThing Co. + * + * 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 <stdio.h> + +#include <libfdt.h> + +#include "tests.h" + +#define CHECK(code, expected) \ + { \ + err = (code); \ + if (err != expected) \ + FAIL(#code ": %s", fdt_strerror(err)); \ + } + +/* 4k ought to be enough for anybody */ +#define FDT_COPY_SIZE (4 * 1024) + +static void *open_dt(char *path) +{ + void *dt, *copy; + int err; + + dt = load_blob(path); + copy = xmalloc(FDT_COPY_SIZE); + + /* + * Resize our DTs to 4k so that we have room to operate on + */ + CHECK(fdt_open_into(dt, copy, FDT_COPY_SIZE), 0); + + return copy; +} + +int main(int argc, char *argv[]) +{ + void *fdt_base, *fdt_overlay; + int err; + + test_init(argc, argv); + if (argc != 3) + CONFIG("Usage: %s <base dtb> <overlay dtb>", argv[0]); + + fdt_base = open_dt(argv[1]); + fdt_overlay = open_dt(argv[2]); + + /* Apply the overlay */ + CHECK(fdt_overlay_apply(fdt_base, fdt_overlay), -FDT_ERR_BADOVERLAY); + + PASS(); +} |