mirror of
https://github.com/tillitis/tillitis-key1.git
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105 lines
2.7 KiB
C
105 lines
2.7 KiB
C
// Copyright (C) 2024 - Tillitis AB
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// SPDX-License-Identifier: GPL-2.0-only
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#ifndef PARTITION_TABLE_H
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#define PARTITION_TABLE_H
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#include <stdint.h>
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/* ---- Flash ---- ---- */
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/* name size start addr */
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/* ---- ---- ---- */
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/* bitstream 128KiB 0x00 */
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/* ---- ---- ---- */
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/* Partition 64KiB 0x20000 */
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/* ---- ---- ---- */
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/* Pre load 128KiB 0x30000 */
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/* ---- ---- ---- */
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/* storage 1 128KiB 0x50000 */
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/* storage 2 128KiB 0x70000 */
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/* storage 3 128KiB 0x90000 */
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/* storage 4 128KiB 0xB0000 */
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/* ---- ---- ---- */
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/* To simplify all blocks are aligned with the 64KiB blocks on the W25Q80DL
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* flash. */
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#define PART_TABLE_VERSION 1
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#define ADDR_BITSTREAM 0UL
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#define SIZE_BITSTREAM 0x20000UL // 128KiB
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#define ADDR_PARTITION_TABLE (ADDR_BITSTREAM + SIZE_BITSTREAM)
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#define SIZE_PARTITION_TABLE \
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0x10000UL // 64KiB, 60 KiB reserved, 2 flash pages (2 x 4KiB) for the
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// partition table
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#define ADDR_PRE_LOADED_APP (ADDR_PARTITION_TABLE + SIZE_PARTITION_TABLE)
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#define SIZE_PRE_LOADED_APP 0x20000UL // 128KiB
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#define ADDR_STORAGE_AREA (ADDR_PRE_LOADED_APP + SIZE_PRE_LOADED_APP)
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#define SIZE_STORAGE_AREA 0x20000UL // 128KiB
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#define N_STORAGE_AREA 4
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#define EMPTY_AREA
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/* Partition Table */
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/*- Table header */
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/* - 1 bytes Version */
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/**/
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/*- Management device app */
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/* - Status. */
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/* - 16 byte random nonce. */
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/* - 16 byte authentication digest. */
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/**/
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/*- Pre-loaded device app */
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/* - 1 byte status. */
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/* - 4 bytes length. */
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/* - 16 bytes random nonce. */
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/* - 16 bytes authentication digest. */
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/**/
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/*- Device app storage area */
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/* - 1 byte status. */
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/* - 16 bytes random nonce. */
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/* - 16 bytes authentication tag. */
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/* - 4 bytes physical start address. */
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/* - 4 bytes physical end address. */
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typedef struct __attribute__((packed)) {
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uint8_t nonce[16];
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uint8_t authentication_digest[16];
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} auth_metadata_t;
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typedef struct __attribute__((packed)) {
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uint8_t status;
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auth_metadata_t auth;
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} management_app_metadata_t;
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typedef struct __attribute__((packed)) {
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uint8_t status;
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uint32_t size;
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auth_metadata_t auth;
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} pre_loaded_app_metadata_t;
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typedef struct __attribute__((packed)) {
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uint8_t status;
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auth_metadata_t auth;
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uint32_t addr_start;
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uint32_t size;
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} app_storage_area_t;
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typedef struct __attribute__((packed)) {
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uint8_t version;
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} table_header_t;
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typedef struct __attribute__((packed)) {
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table_header_t header;
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management_app_metadata_t mgmt_app_data;
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pre_loaded_app_metadata_t pre_app_data;
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app_storage_area_t app_storage[N_STORAGE_AREA];
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} partition_table_t;
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int part_table_read(partition_table_t *part_table);
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int part_table_write(partition_table_t *part_table);
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#endif
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