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Add the possibility to have user bootloader components. This is performed from an application/project, by creating bootloader components. To do so, it is required to create a `bootloader_component` directory containing the custom modules to be compiled with the bootloader. Thanks to this, two solutions are available to override the bootloader now: - Using hooks within a user bootloader component - Using a user defined `main` bootloader component to totally override the old implementation Please check the two new examples in `examples/custom_bootloader` * Closes https://github.com/espressif/esp-idf/issues/7043
39 lines
1.3 KiB
C
39 lines
1.3 KiB
C
// Copyright 2015-2021 Espressif Systems (Shanghai) PTE LTD
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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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// 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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#ifndef BOOTLOADER_HOOKS_H
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#define BOOTLOADER_HOOKS_H
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/**
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* @file The 2nd stage bootloader can be overriden or completed by an application.
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* The functions declared here are weak, and thus, are meant to be defined by a user
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* project, if required.
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* Please check `custom_bootloader` ESP-IDF examples for more details about this feature.
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*/
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/**
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* @brief Function executed *before* the second stage bootloader initialization,
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* if provided.
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*/
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void __attribute__((weak)) bootloader_before_init(void);
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/**
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* @brief Function executed *after* the second stage bootloader initialization,
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* if provided.
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*/
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void __attribute__((weak)) bootloader_after_init(void);
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#endif // BOOTLOADER_HOOKS_H
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