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| author | Chih-Min Chao <chihmin.chao@sifive.com> | 2020-04-23 01:07:14 -0700 |
|---|---|---|
| committer | Chih-Min Chao <chihmin.chao@sifive.com> | 2020-04-26 22:08:46 -0700 |
| commit | 6cb10a7fc49f9068411c617f88e05d1af7f1ef5b (patch) | |
| tree | 28fc3d259f313dc3439a1ad63ae0474fc2a598b5 /fdt/fdt_empty_tree.c | |
| parent | 9a919d0866fb5dda4d02e7d49278ff190c311493 (diff) | |
| download | riscv-isa-sim-6cb10a7fc49f9068411c617f88e05d1af7f1ef5b.zip riscv-isa-sim-6cb10a7fc49f9068411c617f88e05d1af7f1ef5b.tar.gz riscv-isa-sim-6cb10a7fc49f9068411c617f88e05d1af7f1ef5b.tar.bz2 | |
fdt: import fdt library from OpenSBI
Signed-off-by: Chih-Min Chao <chihmin.chao@sifive.com>
Diffstat (limited to 'fdt/fdt_empty_tree.c')
| -rw-r--r-- | fdt/fdt_empty_tree.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/fdt/fdt_empty_tree.c b/fdt/fdt_empty_tree.c new file mode 100644 index 0000000..49d54d4 --- /dev/null +++ b/fdt/fdt_empty_tree.c @@ -0,0 +1,38 @@ +// SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause) +/* + * libfdt - Flat Device Tree manipulation + * Copyright (C) 2012 David Gibson, IBM Corporation. + */ +#include "libfdt_env.h" + +#include <fdt.h> +#include <libfdt.h> + +#include "libfdt_internal.h" + +int fdt_create_empty_tree(void *buf, int bufsize) +{ + int err; + + err = fdt_create(buf, bufsize); + if (err) + return err; + + err = fdt_finish_reservemap(buf); + if (err) + return err; + + err = fdt_begin_node(buf, ""); + if (err) + return err; + + err = fdt_end_node(buf); + if (err) + return err; + + err = fdt_finish(buf); + if (err) + return err; + + return fdt_open_into(buf, buf, bufsize); +} |