/* $NetBSD: overlay_bad_fixup.c,v 1.1.1.2 2019/12/22 12:34:06 skrll Exp $ */ // SPDX-License-Identifier: LGPL-2.1-or-later /* * libfdt - Flat Device Tree manipulation * Testcase for DT overlays() * Copyright (C) 2016 Free Electrons * Copyright (C) 2016 NextThing Co. */ #include #include #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 ", 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(); }