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trezor-firmware/core/embed/firmware/main.c
2019-06-17 20:28:29 +02:00

126 lines
2.9 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 <stdint.h>
#include <stdio.h>
#include <string.h>
#include "lib/utils/pyexec.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 "ports/stm32/gccollect.h"
#include "ports/stm32/pendsv.h"
#include "bl_check.h"
#include "common.h"
#include "display.h"
#include "flash.h"
#include "mpu.h"
#include "rng.h"
#include "sdcard.h"
#include "touch.h"
int main(void) {
// initialize pseudo-random number generator
drbg_init();
// reinitialize HAL for Trezor One
#if TREZOR_MODEL == 1
HAL_Init();
#endif
collect_hw_entropy();
#if TREZOR_MODEL == T
check_and_replace_bootloader();
// Enable MPU
mpu_config_firmware();
#endif
// Init peripherals
pendsv_init();
#if TREZOR_MODEL == 1
display_init();
touch_init();
#endif
#if TREZOR_MODEL == T
sdcard_init();
touch_init();
touch_power_on();
display_clear();
#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 *)&_heap_end - 1024);
// 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_)); // current dir (or base dir of the script)
// 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();
return 0;
}
// MicroPython default exception handler
void __attribute__((noreturn)) nlr_jump_fail(void *val) {
ensure(secfalse, "uncaught exception");
}
void PendSV_Handler(void) { pendsv_isr_handler(); }
// 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);