int main(int argc, char **argv) {
prompt_read_history();
mp_stack_set_limit(40000 * (BYTES_PER_WORD / 4));
pre_process_options(argc, argv);
#if MICROPY_ENABLE_GC
char *heap = malloc(heap_size);
gc_init(heap, heap + heap_size);
#endif
mp_init();
#ifndef _WIN32
// create keyboard interrupt object
MP_STATE_VM(keyboard_interrupt_obj) = mp_obj_new_exception(&mp_type_KeyboardInterrupt);
#endif
char *home = getenv("HOME");
char *path = getenv("MICROPYPATH");
if (path == NULL) {
path = "~/.micropython/lib:/usr/lib/micropython";
}
mp_uint_t path_num = 1; // [0] is for current dir (or base dir of the script)
for (char *p = path; p != NULL; p = strchr(p, PATHLIST_SEP_CHAR)) {
path_num++;
if (p != NULL) {
p++;
}
}
mp_obj_list_init(mp_sys_path, path_num);
mp_obj_t *path_items;
mp_obj_list_get(mp_sys_path, &path_num, &path_items);
path_items[0] = MP_OBJ_NEW_QSTR(MP_QSTR_);
{
char *p = path;
for (mp_uint_t i = 1; i < path_num; i++) {
char *p1 = strchr(p, PATHLIST_SEP_CHAR);
if (p1 == NULL) {
p1 = p + strlen(p);
}
if (p[0] == '~' && p[1] == '/' && home != NULL) {
// Expand standalone ~ to $HOME
CHECKBUF(buf, PATH_MAX);
CHECKBUF_APPEND(buf, home, strlen(home));
CHECKBUF_APPEND(buf, p + 1, (size_t)(p1 - p - 1));
path_items[i] = MP_OBJ_NEW_QSTR(qstr_from_strn(buf, CHECKBUF_LEN(buf)));
} else {
path_items[i] = MP_OBJ_NEW_QSTR(qstr_from_strn(p, p1 - p));
}
p = p1 + 1;
}
}
mp_obj_list_init(mp_sys_argv, 0);
#if defined(MICROPY_UNIX_COVERAGE)
{
MP_DECLARE_CONST_FUN_OBJ(extra_coverage_obj);
mp_store_global(QSTR_FROM_STR_STATIC("extra_coverage"), (mp_obj_t)&extra_coverage_obj);
}
#endif
// Here is some example code to create a class and instance of that class.
// First is the Python, then the C code.
//
// class TestClass:
// pass
// test_obj = TestClass()
// test_obj.attr = 42
//
// mp_obj_t test_class_type, test_class_instance;
// test_class_type = mp_obj_new_type(QSTR_FROM_STR_STATIC("TestClass"), mp_const_empty_tuple, mp_obj_new_dict(0));
// mp_store_name(QSTR_FROM_STR_STATIC("test_obj"), test_class_instance = mp_call_function_0(test_class_type));
// mp_store_attr(test_class_instance, QSTR_FROM_STR_STATIC("attr"), mp_obj_new_int(42));
/*
printf("bytes:\n");
printf(" total %d\n", m_get_total_bytes_allocated());
printf(" cur %d\n", m_get_current_bytes_allocated());
printf(" peak %d\n", m_get_peak_bytes_allocated());
*/
const int NOTHING_EXECUTED = -2;
int ret = NOTHING_EXECUTED;
for (int a = 1; a < argc; a++) {
if (argv[a][0] == '-') {
if (strcmp(argv[a], "-c") == 0) {
if (a + 1 >= argc) {
return usage(argv);
}
ret = do_str(argv[a + 1]);
if (ret & FORCED_EXIT) {
break;
}
a += 1;
} else if (strcmp(argv[a], "-m") == 0) {
if (a + 1 >= argc) {
return usage(argv);
}
mp_obj_t import_args[4];
import_args[0] = mp_obj_new_str(argv[a + 1], strlen(argv[a + 1]), false);
import_args[1] = import_args[2] = mp_const_none;
// Ask __import__ to handle imported module specially - set its __name__
// to __main__, and also return this leaf module, not top-level package
// containing it.
import_args[3] = mp_const_false;
// TODO: https://docs.python.org/3/using/cmdline.html#cmdoption-m :
// "the first element of sys.argv will be the full path to
// the module file (while the module file is being located,
// the first element will be set to "-m")."
set_sys_argv(argv, argc, a + 1);
mp_obj_t mod;
nlr_buf_t nlr;
if (nlr_push(&nlr) == 0) {
mod = mp_builtin___import__(MP_ARRAY_SIZE(import_args), import_args);
nlr_pop();
} else {
// uncaught exception
return handle_uncaught_exception((mp_obj_t)nlr.ret_val) & 0xff;
}
if (mp_obj_is_package(mod)) {
// TODO
fprintf(stderr, "%s: -m for packages not yet implemented\n", argv[0]);
exit(1);
}
ret = 0;
break;
} else if (strcmp(argv[a], "-X") == 0) {
a += 1;
} else if (strcmp(argv[a], "-v") == 0) {
mp_verbose_flag++;
} else if (strncmp(argv[a], "-O", 2) == 0) {
if (isdigit(argv[a][2])) {
MP_STATE_VM(mp_optimise_value) = argv[a][2] & 0xf;
} else {
MP_STATE_VM(mp_optimise_value) = 0;
for (char *p = argv[a] + 1; *p && *p == 'O'; p++, MP_STATE_VM(mp_optimise_value)++);
}
} else {
return usage(argv);
}
} else {
char *pathbuf = malloc(PATH_MAX);
char *basedir = realpath(argv[a], pathbuf);
if (basedir == NULL) {
fprintf(stderr, "%s: can't open file '%s': [Errno %d] ", argv[0], argv[a], errno);
perror("");
// CPython exits with 2 in such case
ret = 2;
break;
}
// Set base dir of the script as first entry in sys.path
char *p = strrchr(basedir, '/');
path_items[0] = MP_OBJ_NEW_QSTR(qstr_from_strn(basedir, p - basedir));
free(pathbuf);
set_sys_argv(argv, argc, a);
ret = do_file(argv[a]);
break;
}
}
if (ret == NOTHING_EXECUTED) {
ret = do_repl();
}
#if MICROPY_PY_MICROPYTHON_MEM_INFO
if (mp_verbose_flag) {
mp_micropython_mem_info(0, NULL);
}
#endif
mp_deinit();
#if MICROPY_ENABLE_GC && !defined(NDEBUG)
// We don't really need to free memory since we are about to exit the
// process, but doing so helps to find memory leaks.
free(heap);
#endif
//printf("total bytes = %d\n", m_get_total_bytes_allocated());
prompt_write_history();
return ret & 0xff;
}
STATIC mp_obj_t mod_thread_exit(void) {
nlr_raise(mp_obj_new_exception(&mp_type_SystemExit));
}
void pyb_sleep_suspend_exit (void) {
// take the I2C semaphore
uint32_t reg = HWREG(COMMON_REG_BASE + COMMON_REG_O_I2C_Properties_Register);
reg = (reg & ~0x3) | 0x1;
HWREG(COMMON_REG_BASE + COMMON_REG_O_I2C_Properties_Register) = reg;
// take the GPIO semaphore
reg = HWREG(COMMON_REG_BASE + COMMON_REG_O_GPIO_properties_register);
reg = (reg & ~0x3FF) | 0x155;
HWREG(COMMON_REG_BASE + COMMON_REG_O_GPIO_properties_register) = reg;
// restore de NVIC control registers
HWREG(NVIC_VTABLE) = nvic_reg_store->vector_table;
HWREG(NVIC_ACTLR) = nvic_reg_store->aux_ctrl;
HWREG(NVIC_INT_CTRL) = nvic_reg_store->int_ctrl_state;
HWREG(NVIC_APINT) = nvic_reg_store->app_int;
HWREG(NVIC_SYS_CTRL) = nvic_reg_store->sys_ctrl;
HWREG(NVIC_CFG_CTRL) = nvic_reg_store->config_ctrl;
HWREG(NVIC_SYS_PRI1) = nvic_reg_store->sys_pri_1;
HWREG(NVIC_SYS_PRI2) = nvic_reg_store->sys_pri_2;
HWREG(NVIC_SYS_PRI3) = nvic_reg_store->sys_pri_3;
HWREG(NVIC_SYS_HND_CTRL) = nvic_reg_store->sys_hcrs;
// restore the systick register
HWREG(NVIC_ST_CTRL) = nvic_reg_store->systick_ctrl;
HWREG(NVIC_ST_RELOAD) = nvic_reg_store->systick_reload;
HWREG(NVIC_ST_CAL) = nvic_reg_store->systick_calib;
// restore the interrupt priority registers
uint32_t *base_reg_addr = (uint32_t *)NVIC_PRI0;
for (uint32_t i = 0; i < (sizeof(nvic_reg_store->int_priority) / 4); i++) {
base_reg_addr[i] = nvic_reg_store->int_priority[i];
}
// restore the interrupt enable registers
base_reg_addr = (uint32_t *)NVIC_EN0;
for(uint32_t i = 0; i < (sizeof(nvic_reg_store->int_en) / 4); i++) {
base_reg_addr[i] = nvic_reg_store->int_en[i];
}
HAL_INTRODUCE_SYNC_BARRIER();
// ungate the clock to the shared spi bus
MAP_PRCMPeripheralClkEnable(PRCM_SSPI, PRCM_RUN_MODE_CLK | PRCM_SLP_MODE_CLK);
#if MICROPY_HW_ANTENNA_DIVERSITY
// re-configure the antenna selection pins
antenna_init0();
#endif
// reinitialize simplelink's interface
sl_IfOpen (NULL, 0);
// restore the configuration of all active peripherals
pyb_sleep_obj_wakeup();
// reconfigure all the previously enabled interrupts
mp_irq_wake_all();
// we need to init the crypto hash engine again
//CRYPTOHASH_Init();
// trigger a sw interrupt
MAP_IntPendSet(INT_PRCM);
// force an exception to go back to the point where suspend mode was entered
nlr_raise(mp_obj_new_exception(&mp_type_SystemExit));
}
void rt_init(void) {
// locals = globals for outer module (see Objects/frameobject.c/PyFrame_New())
map_locals = map_globals = mp_map_new(MP_MAP_QSTR, 1);
mp_qstr_map_lookup(map_globals, MP_QSTR___name__, true)->value = mp_obj_new_str(MP_QSTR___main__);
// init built-in hash table
mp_map_init(&map_builtins, MP_MAP_QSTR, 3);
// built-in exceptions (TODO, make these proper classes)
mp_qstr_map_lookup(&map_builtins, MP_QSTR_AttributeError, true)->value = mp_obj_new_exception(MP_QSTR_AttributeError);
mp_qstr_map_lookup(&map_builtins, MP_QSTR_IndexError, true)->value = mp_obj_new_exception(MP_QSTR_IndexError);
mp_qstr_map_lookup(&map_builtins, MP_QSTR_KeyError, true)->value = mp_obj_new_exception(MP_QSTR_KeyError);
mp_qstr_map_lookup(&map_builtins, MP_QSTR_NameError, true)->value = mp_obj_new_exception(MP_QSTR_NameError);
mp_qstr_map_lookup(&map_builtins, MP_QSTR_TypeError, true)->value = mp_obj_new_exception(MP_QSTR_TypeError);
mp_qstr_map_lookup(&map_builtins, MP_QSTR_SyntaxError, true)->value = mp_obj_new_exception(MP_QSTR_SyntaxError);
mp_qstr_map_lookup(&map_builtins, MP_QSTR_ValueError, true)->value = mp_obj_new_exception(MP_QSTR_ValueError);
// built-in objects
mp_qstr_map_lookup(&map_builtins, MP_QSTR_Ellipsis, true)->value = mp_const_ellipsis;
// built-in core functions
mp_qstr_map_lookup(&map_builtins, MP_QSTR___build_class__, true)->value = rt_make_function_2(mp_builtin___build_class__);
mp_qstr_map_lookup(&map_builtins, MP_QSTR___repl_print__, true)->value = rt_make_function_1(mp_builtin___repl_print__);
// built-in types
mp_qstr_map_lookup(&map_builtins, MP_QSTR_bool, true)->value = (mp_obj_t)&bool_type;
#if MICROPY_ENABLE_FLOAT
mp_qstr_map_lookup(&map_builtins, MP_QSTR_complex, true)->value = (mp_obj_t)&complex_type;
#endif
mp_qstr_map_lookup(&map_builtins, MP_QSTR_dict, true)->value = (mp_obj_t)&dict_type;
#if MICROPY_ENABLE_FLOAT
mp_qstr_map_lookup(&map_builtins, MP_QSTR_float, true)->value = (mp_obj_t)&float_type;
#endif
mp_qstr_map_lookup(&map_builtins, MP_QSTR_int, true)->value = (mp_obj_t)&int_type;
mp_qstr_map_lookup(&map_builtins, MP_QSTR_list, true)->value = (mp_obj_t)&list_type;
mp_qstr_map_lookup(&map_builtins, MP_QSTR_set, true)->value = (mp_obj_t)&set_type;
mp_qstr_map_lookup(&map_builtins, MP_QSTR_tuple, true)->value = (mp_obj_t)&tuple_type;
mp_qstr_map_lookup(&map_builtins, MP_QSTR_type, true)->value = (mp_obj_t)&mp_builtin_type_obj; // TODO
// built-in user functions; TODO covert all to &mp_builtin_xxx's
mp_qstr_map_lookup(&map_builtins, MP_QSTR_abs, true)->value = rt_make_function_1(mp_builtin_abs);
mp_qstr_map_lookup(&map_builtins, MP_QSTR_all, true)->value = rt_make_function_1(mp_builtin_all);
mp_qstr_map_lookup(&map_builtins, MP_QSTR_any, true)->value = rt_make_function_1(mp_builtin_any);
mp_qstr_map_lookup(&map_builtins, MP_QSTR_callable, true)->value = rt_make_function_1(mp_builtin_callable);
mp_qstr_map_lookup(&map_builtins, MP_QSTR_chr, true)->value = rt_make_function_1(mp_builtin_chr);
mp_qstr_map_lookup(&map_builtins, MP_QSTR_divmod, true)->value = rt_make_function_2(mp_builtin_divmod);
mp_qstr_map_lookup(&map_builtins, MP_QSTR_hash, true)->value = (mp_obj_t)&mp_builtin_hash_obj;
mp_qstr_map_lookup(&map_builtins, MP_QSTR_iter, true)->value = (mp_obj_t)&mp_builtin_iter_obj;
mp_qstr_map_lookup(&map_builtins, MP_QSTR_len, true)->value = rt_make_function_1(mp_builtin_len);
mp_qstr_map_lookup(&map_builtins, MP_QSTR_max, true)->value = rt_make_function_var(1, mp_builtin_max);
mp_qstr_map_lookup(&map_builtins, MP_QSTR_min, true)->value = rt_make_function_var(1, mp_builtin_min);
mp_qstr_map_lookup(&map_builtins, MP_QSTR_next, true)->value = (mp_obj_t)&mp_builtin_next_obj;
mp_qstr_map_lookup(&map_builtins, MP_QSTR_ord, true)->value = rt_make_function_1(mp_builtin_ord);
mp_qstr_map_lookup(&map_builtins, MP_QSTR_pow, true)->value = rt_make_function_var(2, mp_builtin_pow);
mp_qstr_map_lookup(&map_builtins, MP_QSTR_print, true)->value = rt_make_function_var(0, mp_builtin_print);
mp_qstr_map_lookup(&map_builtins, MP_QSTR_range, true)->value = rt_make_function_var(1, mp_builtin_range);
mp_qstr_map_lookup(&map_builtins, MP_QSTR_sum, true)->value = rt_make_function_var(1, mp_builtin_sum);
next_unique_code_id = 1; // 0 indicates "no code"
unique_codes = NULL;
#ifdef WRITE_CODE
fp_write_code = fopen("out-code", "wb");
#endif
}
void pyb_usb_init0(void) {
// create an exception object for interrupting by VCP
MP_STATE_PORT(mp_const_vcp_interrupt) = mp_obj_new_exception(&mp_type_KeyboardInterrupt);
USBD_CDC_SetInterrupt(-1, MP_STATE_PORT(mp_const_vcp_interrupt));
MP_STATE_PORT(pyb_hid_report_desc) = MP_OBJ_NULL;
}
STATIC mp_obj_t machine_soft_reset(void) {
pyexec_system_exit = PYEXEC_FORCED_EXIT;
nlr_raise(mp_obj_new_exception(&mp_type_SystemExit));
}
void rt_init(void) {
rt_q_append = qstr_from_str_static("append");
rt_q_pop = qstr_from_str_static("pop");
rt_q_sort = qstr_from_str_static("sort");
rt_q_join = qstr_from_str_static("join");
rt_q_format = qstr_from_str_static("format");
rt_q___build_class__ = qstr_from_str_static("__build_class__");
rt_q___next__ = qstr_from_str_static("__next__");
rt_q_AttributeError = qstr_from_str_static("AttributeError");
rt_q_IndexError = qstr_from_str_static("IndexError");
rt_q_KeyError = qstr_from_str_static("KeyError");
rt_q_NameError = qstr_from_str_static("NameError");
rt_q_TypeError = qstr_from_str_static("TypeError");
rt_q_SyntaxError = qstr_from_str_static("SyntaxError");
rt_q_ValueError = qstr_from_str_static("ValueError");
// locals = globals for outer module (see Objects/frameobject.c/PyFrame_New())
map_locals = map_globals = mp_map_new(MP_MAP_QSTR, 1);
mp_qstr_map_lookup(map_globals, qstr_from_str_static("__name__"), true)->value = mp_obj_new_str(qstr_from_str_static("__main__"));
// init built-in hash table
mp_map_init(&map_builtins, MP_MAP_QSTR, 3);
// built-in exceptions (TODO, make these proper classes)
mp_qstr_map_lookup(&map_builtins, rt_q_AttributeError, true)->value = mp_obj_new_exception(rt_q_AttributeError);
mp_qstr_map_lookup(&map_builtins, rt_q_IndexError, true)->value = mp_obj_new_exception(rt_q_IndexError);
mp_qstr_map_lookup(&map_builtins, rt_q_KeyError, true)->value = mp_obj_new_exception(rt_q_KeyError);
mp_qstr_map_lookup(&map_builtins, rt_q_NameError, true)->value = mp_obj_new_exception(rt_q_NameError);
mp_qstr_map_lookup(&map_builtins, rt_q_TypeError, true)->value = mp_obj_new_exception(rt_q_TypeError);
mp_qstr_map_lookup(&map_builtins, rt_q_SyntaxError, true)->value = mp_obj_new_exception(rt_q_SyntaxError);
mp_qstr_map_lookup(&map_builtins, rt_q_ValueError, true)->value = mp_obj_new_exception(rt_q_ValueError);
// built-in core functions
mp_qstr_map_lookup(&map_builtins, rt_q___build_class__, true)->value = rt_make_function_2(mp_builtin___build_class__);
mp_qstr_map_lookup(&map_builtins, qstr_from_str_static("__repl_print__"), true)->value = rt_make_function_1(mp_builtin___repl_print__);
// built-in user functions
mp_qstr_map_lookup(&map_builtins, qstr_from_str_static("abs"), true)->value = rt_make_function_1(mp_builtin_abs);
mp_qstr_map_lookup(&map_builtins, qstr_from_str_static("all"), true)->value = rt_make_function_1(mp_builtin_all);
mp_qstr_map_lookup(&map_builtins, qstr_from_str_static("any"), true)->value = rt_make_function_1(mp_builtin_any);
mp_qstr_map_lookup(&map_builtins, qstr_from_str_static("bool"), true)->value = rt_make_function_var(0, mp_builtin_bool);
mp_qstr_map_lookup(&map_builtins, qstr_from_str_static("callable"), true)->value = rt_make_function_1(mp_builtin_callable);
mp_qstr_map_lookup(&map_builtins, qstr_from_str_static("chr"), true)->value = rt_make_function_1(mp_builtin_chr);
#if MICROPY_ENABLE_FLOAT
mp_qstr_map_lookup(&map_builtins, qstr_from_str_static("complex"), true)->value = (mp_obj_t)&mp_builtin_complex_obj;
#endif
mp_qstr_map_lookup(&map_builtins, qstr_from_str_static("dict"), true)->value = rt_make_function_0(mp_builtin_dict);
mp_qstr_map_lookup(&map_builtins, qstr_from_str_static("divmod"), true)->value = rt_make_function_2(mp_builtin_divmod);
#if MICROPY_ENABLE_FLOAT
mp_qstr_map_lookup(&map_builtins, qstr_from_str_static("float"), true)->value = (mp_obj_t)&mp_builtin_float_obj;
#endif
mp_qstr_map_lookup(&map_builtins, qstr_from_str_static("hash"), true)->value = (mp_obj_t)&mp_builtin_hash_obj;
mp_qstr_map_lookup(&map_builtins, qstr_from_str_static("int"), true)->value = (mp_obj_t)&mp_builtin_int_obj;
mp_qstr_map_lookup(&map_builtins, qstr_from_str_static("iter"), true)->value = (mp_obj_t)&mp_builtin_iter_obj;
mp_qstr_map_lookup(&map_builtins, qstr_from_str_static("len"), true)->value = rt_make_function_1(mp_builtin_len);
mp_qstr_map_lookup(&map_builtins, qstr_from_str_static("list"), true)->value = rt_make_function_var(0, mp_builtin_list);
mp_qstr_map_lookup(&map_builtins, qstr_from_str_static("max"), true)->value = rt_make_function_var(1, mp_builtin_max);
mp_qstr_map_lookup(&map_builtins, qstr_from_str_static("min"), true)->value = rt_make_function_var(1, mp_builtin_min);
mp_qstr_map_lookup(&map_builtins, qstr_from_str_static("next"), true)->value = (mp_obj_t)&mp_builtin_next_obj;
mp_qstr_map_lookup(&map_builtins, qstr_from_str_static("ord"), true)->value = rt_make_function_1(mp_builtin_ord);
mp_qstr_map_lookup(&map_builtins, qstr_from_str_static("pow"), true)->value = rt_make_function_var(2, mp_builtin_pow);
mp_qstr_map_lookup(&map_builtins, qstr_from_str_static("print"), true)->value = rt_make_function_var(0, mp_builtin_print);
mp_qstr_map_lookup(&map_builtins, qstr_from_str_static("range"), true)->value = rt_make_function_var(1, mp_builtin_range);
mp_qstr_map_lookup(&map_builtins, qstr_from_str_static("set"), true)->value = (mp_obj_t)&mp_builtin_set_obj;
mp_qstr_map_lookup(&map_builtins, qstr_from_str_static("sum"), true)->value = rt_make_function_var(1, mp_builtin_sum);
mp_qstr_map_lookup(&map_builtins, qstr_from_str_static("type"), true)->value = (mp_obj_t)&mp_builtin_type_obj;
next_unique_code_id = 2; // 1 is reserved for the __main__ module scope
unique_codes = NULL;
#ifdef WRITE_CODE
fp_write_code = fopen("out-code", "wb");
#endif
}