/*
|
* Copyright (C) 2016 The Android Open Source Project
|
*
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
* you may not use this file except in compliance with the License.
|
* You may obtain a copy of the License at
|
*
|
* http://www.apache.org/licenses/LICENSE-2.0
|
*
|
* Unless required by applicable law or agreed to in writing, software
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
* See the License for the specific language governing permissions and
|
* limitations under the License.
|
*/
|
|
#ifndef UFDT_OVERLAY_H
|
#define UFDT_OVERLAY_H
|
|
#include <libfdt.h>
|
|
/* Given a buffer in RAM containing the contents of a .dtb file,
|
* it initializes an FDT in-place and returns a pointer to the
|
* given buffer, or NULL in case of error.
|
* In case of error, it may printf() diagnostic messages.
|
*/
|
struct fdt_header *ufdt_install_blob(void *blob, size_t blob_size);
|
|
/* Given a main_fdt_header buffer and an overlay_fdtp buffer containing the
|
* contents of a .dtbo file, it creates a new FDT containing the applied
|
* overlay_fdtp in a dto_malloc'd buffer and returns it, or NULL in case of
|
* error.
|
* It is allowed to modify the buffers (both main_fdt_header and overlay_fdtp
|
* buffer) passed in.
|
* It does not dto_free main_fdt_header and overlay_fdtp buffer passed in.
|
*/
|
struct fdt_header *ufdt_apply_overlay(struct fdt_header *main_fdt_header,
|
size_t main_fdt_size,
|
void *overlay_fdtp,
|
size_t overlay_size);
|
|
#endif /* UFDT_OVERLAY_H */
|
