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mirror of https://github.com/trezor/trezor-firmware.git synced 2024-12-24 15:28:10 +00:00
trezor-firmware/embed/firmware/main.c
2018-02-26 14:07:37 +01:00

107 lines
2.7 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 "py/nlr.h"
#include "py/compile.h"
#include "py/runtime.h"
#include "py/stackctrl.h"
#include "py/repl.h"
#include "py/gc.h"
#include "py/mperrno.h"
#include "lib/utils/pyexec.h"
#include "gccollect.h"
#include "pendsv.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)
{
// Enable MPU
mpu_config();
// Init peripherals
pendsv_init();
sdcard_init();
touch_init();
display_clear();
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)
// Set optimization level
MP_STATE_VM(mp_optimise_value) = PYOPT;
// 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);