/* * This file is part of the Trezor project, https://trezor.io/ * * Copyright (C) 2014 Pavol Rusnak <stick@satoshilabs.com> * * This library is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this library. If not, see <http://www.gnu.org/licenses/>. */ #ifndef __MEMORY_H__ #define __MEMORY_H__ #include <stdint.h> /* Flash memory layout: name | range | size | function -----------+-------------------------+---------+------------------ Sector 0 | 0x08000000 - 0x08003FFF | 16 KiB | bootloader Sector 1 | 0x08004000 - 0x08007FFF | 16 KiB | bootloader -----------+-------------------------+---------+------------------ Sector 2 | 0x08008000 - 0x0800BFFF | 16 KiB | storage area Sector 3 | 0x0800C000 - 0x0800FFFF | 16 KiB | storage area -----------+-------------------------+---------+------------------ Sector 4 | 0x08010000 - 0x0801FFFF | 64 KiB | firmware Sector 5 | 0x08020000 - 0x0803FFFF | 128 KiB | firmware Sector 6 | 0x08040000 - 0x0805FFFF | 128 KiB | firmware Sector 7 | 0x08060000 - 0x0807FFFF | 128 KiB | firmware Sector 8 | 0x08080000 - 0x0809FFFF | 128 KiB | firmware Sector 9 | 0x080A0000 - 0x080BFFFF | 128 KiB | firmware Sector 10 | 0x080C0000 - 0x080DFFFF | 128 KiB | firmware Sector 11 | 0x080E0000 - 0x080FFFFF | 128 KiB | firmware firmware header (occupies first 1 KB of the firmware) - very similar to trezor-core firmware header described in: https://github.com/trezor/trezor-core/blob/master/docs/bootloader.md#firmware-header - differences: * we don't use sigmask or sig field (these are reserved and set to zero) * we introduce new fields immediately following the hash16 field: - sig1[64], sig2[64], sig3[64] - sigindex1[1], sigindex2[1], sigindex3[1] * reserved[415] area is reduced to reserved[220] - see fw_signatures.c for more details We pad the firmware chunks with zeroes if they are shorted. */ #define FLASH_ORIGIN (0x08000000) #if EMULATOR extern uint8_t *emulator_flash_base; #define FLASH_PTR(x) (emulator_flash_base + (x - FLASH_ORIGIN)) #else #define FLASH_PTR(x) (const uint8_t *)(x) #endif #define FLASH_TOTAL_SIZE (1024 * 1024) #define FLASH_BOOT_START (FLASH_ORIGIN) #define FLASH_BOOT_LEN (0x8000) #define FLASH_STORAGE_START (FLASH_BOOT_START + FLASH_BOOT_LEN) #define FLASH_STORAGE_LEN (0x8000) #define FLASH_FWHEADER_START (FLASH_STORAGE_START + FLASH_STORAGE_LEN) #define FLASH_FWHEADER_LEN (0x400) #define FLASH_APP_START (FLASH_FWHEADER_START + FLASH_FWHEADER_LEN) #define FLASH_APP_LEN (FLASH_TOTAL_SIZE - (FLASH_APP_START - FLASH_ORIGIN)) #define FLASH_BOOT_SECTOR_FIRST 0 #define FLASH_BOOT_SECTOR_LAST 1 #define FLASH_STORAGE_SECTOR_FIRST 2 #define FLASH_STORAGE_SECTOR_LAST 3 #define FLASH_CODE_SECTOR_FIRST 4 #define FLASH_CODE_SECTOR_LAST 11 void memory_protect(void); void memory_write_unlock(void); int memory_bootloader_hash(uint8_t *hash); int memory_firmware_hash(const uint8_t *challenge, uint32_t challenge_size, void (*progress_callback)(uint32_t, uint32_t), uint8_t hash[32]); static inline void flash_write32(uint32_t addr, uint32_t word) { *(volatile uint32_t *)FLASH_PTR(addr) = word; } static inline void flash_write8(uint32_t addr, uint8_t byte) { *(volatile uint8_t *)FLASH_PTR(addr) = byte; } #endif