tillitis-key/hw/application_fpga/fw/tk1/partition_table.h
2024-09-23 15:37:13 +02:00

80 lines
2.1 KiB
C

// Copyright (C) 2024 - Tillitis AB
// SPDX-License-Identifier: GPL-2.0-only
#ifndef PARTITION_TABLE_H
#define PARTITION_TABLE_H
#include <stdint.h>
#define PART_TABLE_VER 1
#define ADDR_BITSTREAM 0UL
#define SIZE_BITSTREAM 0x20000UL
#define ADDR_PARTITION_TABLE (ADDR_BITSTREAM + SIZE_BITSTREAM)
#define SIZE_PARTITION_TABLE 0x3000UL /* 3 flash sectors */
#define ADDR_PRE_LOADED_APP (ADDR_PARTITION_TABLE + SIZE_PARTITION_TABLE)
#define SIZE_PRE_LOADED_APP 0x20000UL
#define ADDR_STORAGE_AREA (ADDR_PRE_LOADED_APP + SIZE_PARTITION_TABLE)
#define SIZE_STORAGE_AREA 0x1F000UL
#define N_STORAGE_AREA 4
/*- Table header*/
/* - 4 bytes Version*/
/**/
/*- Management device app*/
/* - Status - Registered or not.*/
/* - 16 byte random nonce.*/
/* - 16 byte authentication digest.*/
/**/
/*- Pre-loaded device app*/
/* - 1 byte status - Pre-loaded device app exists or not. Active or not.*/
/* - 4 bytes length of pre-loaded device app in bytes.*/
/* - 16 bytes random nonce.*/
/* - 16 bytes authentication digest.*/
/**/
/*- Device app storage area*/
/* - 1 byte status - Allocated or not.*/
/* - 16 bytes random nonce.*/
/* - 16 bytes authentication tag.*/
/* - 4 bytes physical start address in the persistent store.*/
/* - 4 bytes physical end address in the persistent store.*/
typedef struct __attribute__((packed)) {
uint8_t nonce[16];
uint8_t authentication_digest[16];
} auth_metadata_t;
typedef struct __attribute__((packed)) {
uint8_t status;
auth_metadata_t auth;
} management_app_metadata_t;
typedef struct __attribute__((packed)) {
uint8_t status;
uint32_t size;
auth_metadata_t auth;
} pre_loaded_app_metadata_t;
typedef struct __attribute__((packed)) {
uint8_t status;
auth_metadata_t auth;
uint32_t addr_start;
uint32_t size;
} app_storage_area_t;
typedef struct __attribute__((packed)) {
uint8_t version;
management_app_metadata_t mgmt_app_data;
pre_loaded_app_metadata_t pre_app_data;
app_storage_area_t app_storage[N_STORAGE_AREA];
} partition_table_t;
int part_table_init(partition_table_t *part_table);
int part_table_write(partition_table_t *part_table);
#endif