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mirror of https://github.com/trezor/trezor-firmware.git synced 2024-12-25 15:58:08 +00:00
trezor-firmware/core/embed/firmware/main.c

309 lines
6.4 KiB
C

/*
* This file is part of the Trezor project, https://trezor.io/
*
* Copyright (c) SatoshiLabs
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include STM32_HAL_H
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include "py/builtin.h"
#include "py/compile.h"
#include "py/gc.h"
#include "py/mperrno.h"
#include "py/nlr.h"
#include "py/repl.h"
#include "py/runtime.h"
#include "py/stackctrl.h"
#include "shared/runtime/pyexec.h"
#include "ports/stm32/gccollect.h"
#include "ports/stm32/pendsv.h"
#include "bl_check.h"
#include "board_capabilities.h"
#include "common.h"
#include "compiler_traits.h"
#include "display.h"
#include "fault_handlers.h"
#include "flash.h"
#include "image.h"
#include "memzero.h"
#include "model.h"
#include "mpu.h"
#include "random_delays.h"
#include "rust_ui.h"
#include "secure_aes.h"
#include TREZOR_BOARD
#ifdef USE_RGB_LED
#include "rgb_led.h"
#endif
#ifdef USE_CONSUMPTION_MASK
#include "consumption_mask.h"
#endif
#ifdef USE_DMA2D
#ifdef NEW_RENDERING
#include "dma2d_bitblt.h"
#else
#include "dma2d.h"
#endif
#endif
#ifdef USE_BUTTON
#include "button.h"
#endif
#ifdef USE_I2C
#include "i2c.h"
#endif
#ifdef USE_TOUCH
#include "touch.h"
#endif
#ifdef USE_SD_CARD
#include "sdcard.h"
#endif
#ifdef USE_HASH_PROCESSOR
#include "hash_processor.h"
#endif
#ifdef USE_OPTIGA
#include "optiga_commands.h"
#include "optiga_transport.h"
#endif
#if defined USE_OPTIGA | defined STM32U5
#include "secret.h"
#endif
#include "unit_variant.h"
#ifdef SYSTEM_VIEW
#include "systemview.h"
#endif
#include "platform.h"
#include "rng.h"
#include "supervise.h"
#ifdef USE_SECP256K1_ZKP
#include "zkp_context.h"
#endif
#ifdef USE_HAPTIC
#include "haptic.h"
#endif
// from util.s
extern void shutdown_privileged(void);
#ifdef USE_OPTIGA
#if !PYOPT
#include <inttypes.h>
#if 1 // color log
#define OPTIGA_LOG_FORMAT \
"%" PRIu32 " \x1b[35moptiga\x1b[0m \x1b[32mDEBUG\x1b[0m %s: "
#else
#define OPTIGA_LOG_FORMAT "%" PRIu32 " optiga DEBUG %s: "
#endif
static void optiga_log_hex(const char *prefix, const uint8_t *data,
size_t data_size) {
printf(OPTIGA_LOG_FORMAT, hal_ticks_ms() * 1000, prefix);
for (size_t i = 0; i < data_size; i++) {
printf("%02x", data[i]);
}
printf("\n");
}
#endif
#endif
int main(void) {
random_delays_init();
#ifdef RDI
rdi_start();
#endif
// reinitialize HAL for Trezor One
#if defined TREZOR_MODEL_1
HAL_Init();
#endif
#ifdef SYSTEM_VIEW
enable_systemview();
#endif
#ifdef USE_HASH_PROCESSOR
hash_processor_init();
#endif
#ifdef USE_DMA2D
dma2d_init();
#endif
display_reinit();
#ifdef STM32U5
check_oem_keys();
#endif
screen_boot_stage_2();
#if !defined TREZOR_MODEL_1
parse_boardloader_capabilities();
unit_variant_init();
#ifdef STM32U5
secure_aes_init();
#endif
#ifdef USE_OPTIGA
uint8_t secret[SECRET_OPTIGA_KEY_LEN] = {0};
secbool secret_ok = secret_optiga_get(secret);
#endif
mpu_config_firmware_initial();
collect_hw_entropy();
#if PRODUCTION || BOOTLOADER_QA
check_and_replace_bootloader();
#endif
// Enable MPU
mpu_config_firmware();
#endif
// Init peripherals
pendsv_init();
fault_handlers_init();
#if defined TREZOR_MODEL_T
set_core_clock(CLOCK_180_MHZ);
#endif
#ifdef USE_BUTTON
button_init();
#endif
#ifdef USE_RGB_LED
rgb_led_init();
#endif
#ifdef USE_CONSUMPTION_MASK
consumption_mask_init();
#endif
#ifdef USE_I2C
i2c_init();
#endif
#ifdef USE_TOUCH
touch_init();
#endif
#ifdef USE_SD_CARD
sdcard_init();
#endif
#ifdef USE_HAPTIC
haptic_init();
#endif
#ifdef USE_OPTIGA
#if !PYOPT
// command log is relatively quiet so we enable it in debug builds
optiga_command_set_log_hex(optiga_log_hex);
// transport log can be spammy, uncomment if you want it:
// optiga_transport_set_log_hex(optiga_log_hex);
#endif
optiga_init();
if (sectrue == secret_ok) {
// If the shielded connection cannot be established, reset Optiga and
// continue without it. In this case, OID_KEY_FIDO and OID_KEY_DEV cannot be
// used, which means device and FIDO attestation will not work.
if (optiga_sec_chan_handshake(secret, sizeof(secret)) != OPTIGA_SUCCESS) {
optiga_soft_reset();
}
}
memzero(secret, sizeof(secret));
ensure(sectrue * (optiga_open_application() == OPTIGA_SUCCESS),
"Cannot initialize optiga.");
#endif
#if !defined TREZOR_MODEL_1
drop_privileges();
#endif
#ifdef USE_SECP256K1_ZKP
ensure(sectrue * (zkp_context_init() == 0), NULL);
#endif
printf("CORE: Preparing stack\n");
// Stack limit should be less than real stack size, so we have a chance
// to recover from limit hit.
mp_stack_set_top(&_estack);
mp_stack_set_limit((char *)&_estack - (char *)&_sstack - 1024);
#if MICROPY_ENABLE_PYSTACK
static mp_obj_t pystack[1024];
mp_pystack_init(pystack, &pystack[MP_ARRAY_SIZE(pystack)]);
#endif
// GC init
printf("CORE: Starting GC\n");
gc_init(&_heap_start, &_heap_end);
// Interpreter init
printf("CORE: Starting interpreter\n");
mp_init();
mp_obj_list_init(mp_sys_argv, 0);
mp_obj_list_init(mp_sys_path, 0);
mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR__dot_frozen));
// Execute the main script
printf("CORE: Executing main script\n");
pyexec_frozen_module("main.py");
// Clean up
printf("CORE: Main script finished, cleaning up\n");
mp_deinit();
// Python code shouldn't ever exit, avoid black screen if it does
error_shutdown("(PE)");
return 0;
}
// MicroPython default exception handler
void __attribute__((noreturn)) nlr_jump_fail(void *val) {
error_shutdown("(UE)");
}
// MicroPython builtin stubs
mp_import_stat_t mp_import_stat(const char *path) {
return MP_IMPORT_STAT_NO_EXIST;
}
mp_obj_t mp_builtin_open(uint n_args, const mp_obj_t *args, mp_map_t *kwargs) {
return mp_const_none;
}
MP_DEFINE_CONST_FUN_OBJ_KW(mp_builtin_open_obj, 1, mp_builtin_open);