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