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2c1c05f180
- Add per app flash storage
- Adds four data areas. An app can allocate an area. Once allocated
the area is tied to the CDI of the app and can only be
read/written/deallocated by the same app.
- Add two pre loaded app slots to flash
- Load an app from the first slot at boot. The app digest must match a
specific digest specified in firmware.
- Optionally load an app from the second slot
- Add a resetinfo area in FW_RAM which is used to signal an app's intent
of resetting the system and, optionally, pass data to firmware or the
next app in a bootchain.
Co-authored-by: Jonas Thörnblad <jonas@tillitis.se>
Co-authored-by: Mikael Ågren <mikael@tillitis.se>
Co-authored-by: Daniel Jobson <jobson@tillitis.se>
25 lines
827 B
C
25 lines
827 B
C
// Copyright (C) 2024 - Tillitis AB
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// SPDX-License-Identifier: GPL-2.0-only
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#ifndef PRELOAD_APP_H
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#define PRELOAD_APP_H
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#include "partition_table.h"
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdint.h>
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int preload_load(struct partition_table *part_table, uint8_t from_slot);
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int preload_store(struct partition_table *part_table, uint32_t offset,
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uint8_t *data, size_t size, uint8_t to_slot);
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int preload_store_finalize(struct partition_table_storage *part_table_storage,
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size_t app_size, uint8_t app_digest[32],
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uint8_t app_signature[64], uint8_t to_slot);
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int preload_delete(struct partition_table_storage *part_table_storage,
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uint8_t slot);
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int preload_get_digsig(struct partition_table *part_table,
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uint8_t app_digest[32], uint8_t app_signature[64],
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uint8_t slot);
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#endif
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