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modmicropython.c
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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2013, 2014 Damien P. George
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <stdio.h>
#include "py/builtin.h"
#include "py/stackctrl.h"
#include "py/runtime.h"
#include "py/gc.h"
#include "py/mphal.h"
// Various builtins specific to MicroPython runtime,
// living in micropython module
#if MICROPY_ENABLE_COMPILER
STATIC mp_obj_t mp_micropython_opt_level(size_t n_args, const mp_obj_t *args) {
if (n_args == 0) {
return MP_OBJ_NEW_SMALL_INT(MP_STATE_VM(mp_optimise_value));
} else {
MP_STATE_VM(mp_optimise_value) = mp_obj_get_int(args[0]);
return mp_const_none;
}
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mp_micropython_opt_level_obj, 0, 1, mp_micropython_opt_level);
#endif
#if MICROPY_PY_MICROPYTHON_MEM_INFO
#if MICROPY_MEM_STATS
STATIC mp_obj_t mp_micropython_mem_total(void) {
return MP_OBJ_NEW_SMALL_INT(m_get_total_bytes_allocated());
}
STATIC MP_DEFINE_CONST_FUN_OBJ_0(mp_micropython_mem_total_obj, mp_micropython_mem_total);
STATIC mp_obj_t mp_micropython_mem_current(void) {
return MP_OBJ_NEW_SMALL_INT(m_get_current_bytes_allocated());
}
STATIC MP_DEFINE_CONST_FUN_OBJ_0(mp_micropython_mem_current_obj, mp_micropython_mem_current);
STATIC mp_obj_t mp_micropython_mem_peak(void) {
return MP_OBJ_NEW_SMALL_INT(m_get_peak_bytes_allocated());
}
STATIC MP_DEFINE_CONST_FUN_OBJ_0(mp_micropython_mem_peak_obj, mp_micropython_mem_peak);
#endif
mp_obj_t mp_micropython_mem_info(size_t n_args, const mp_obj_t *args) {
(void)args;
#if MICROPY_MEM_STATS
mp_printf(&mp_plat_print, "mem: total=" UINT_FMT ", current=" UINT_FMT ", peak=" UINT_FMT "\n",
(mp_uint_t)m_get_total_bytes_allocated(), (mp_uint_t)m_get_current_bytes_allocated(), (mp_uint_t)m_get_peak_bytes_allocated());
#endif
#if MICROPY_STACK_CHECK
mp_printf(&mp_plat_print, "stack: " UINT_FMT " out of " UINT_FMT "\n",
mp_stack_usage(), (mp_uint_t)MP_STATE_THREAD(stack_limit));
#else
mp_printf(&mp_plat_print, "stack: " UINT_FMT "\n", mp_stack_usage());
#endif
#if MICROPY_ENABLE_GC
gc_dump_info();
if (n_args == 1) {
// arg given means dump gc allocation table
gc_dump_alloc_table();
}
#else
(void)n_args;
#endif
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mp_micropython_mem_info_obj, 0, 1, mp_micropython_mem_info);
STATIC mp_obj_t mp_micropython_qstr_info(size_t n_args, const mp_obj_t *args) {
(void)args;
size_t n_pool, n_qstr, n_str_data_bytes, n_total_bytes;
qstr_pool_info(&n_pool, &n_qstr, &n_str_data_bytes, &n_total_bytes);
mp_printf(&mp_plat_print, "qstr pool: n_pool=%u, n_qstr=%u, n_str_data_bytes=%u, n_total_bytes=%u\n",
n_pool, n_qstr, n_str_data_bytes, n_total_bytes);
if (n_args == 1) {
// arg given means dump qstr data
qstr_dump_data();
}
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mp_micropython_qstr_info_obj, 0, 1, mp_micropython_qstr_info);
#endif // MICROPY_PY_MICROPYTHON_MEM_INFO
#if MICROPY_PY_MICROPYTHON_STACK_USE
STATIC mp_obj_t mp_micropython_stack_use(void) {
return MP_OBJ_NEW_SMALL_INT(mp_stack_usage());
}
STATIC MP_DEFINE_CONST_FUN_OBJ_0(mp_micropython_stack_use_obj, mp_micropython_stack_use);
#endif
#if MICROPY_ENABLE_PYSTACK
STATIC mp_obj_t mp_micropython_pystack_use(void) {
return MP_OBJ_NEW_SMALL_INT(mp_pystack_usage());
}
STATIC MP_DEFINE_CONST_FUN_OBJ_0(mp_micropython_pystack_use_obj, mp_micropython_pystack_use);
#endif
#if MICROPY_ENABLE_GC
STATIC mp_obj_t mp_micropython_heap_lock(void) {
gc_lock();
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_0(mp_micropython_heap_lock_obj, mp_micropython_heap_lock);
STATIC mp_obj_t mp_micropython_heap_unlock(void) {
gc_unlock();
return MP_OBJ_NEW_SMALL_INT(MP_STATE_THREAD(gc_lock_depth));
}
STATIC MP_DEFINE_CONST_FUN_OBJ_0(mp_micropython_heap_unlock_obj, mp_micropython_heap_unlock);
#if MICROPY_PY_MICROPYTHON_HEAP_LOCKED
STATIC mp_obj_t mp_micropython_heap_locked(void) {
return MP_OBJ_NEW_SMALL_INT(MP_STATE_THREAD(gc_lock_depth));
}
STATIC MP_DEFINE_CONST_FUN_OBJ_0(mp_micropython_heap_locked_obj, mp_micropython_heap_locked);
#endif
#endif
#if MICROPY_ENABLE_EMERGENCY_EXCEPTION_BUF && (MICROPY_EMERGENCY_EXCEPTION_BUF_SIZE == 0)
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mp_alloc_emergency_exception_buf_obj, mp_alloc_emergency_exception_buf);
#endif
#if MICROPY_KBD_EXCEPTION
STATIC mp_obj_t mp_micropython_kbd_intr(mp_obj_t int_chr_in) {
mp_hal_set_interrupt_char(mp_obj_get_int(int_chr_in));
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mp_micropython_kbd_intr_obj, mp_micropython_kbd_intr);
#endif
#if MICROPY_ENABLE_SCHEDULER
STATIC mp_obj_t mp_micropython_schedule(mp_obj_t function, mp_obj_t arg) {
if (!mp_sched_schedule(function, arg)) {
mp_raise_msg(&mp_type_RuntimeError, MP_ERROR_TEXT("schedule queue full"));
}
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(mp_micropython_schedule_obj, mp_micropython_schedule);
#endif
STATIC const mp_rom_map_elem_t mp_module_micropython_globals_table[] = {
{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_micropython) },
{ MP_ROM_QSTR(MP_QSTR_const), MP_ROM_PTR(&mp_identity_obj) },
#if MICROPY_ENABLE_COMPILER
{ MP_ROM_QSTR(MP_QSTR_opt_level), MP_ROM_PTR(&mp_micropython_opt_level_obj) },
#endif
#if MICROPY_PY_MICROPYTHON_MEM_INFO
#if MICROPY_MEM_STATS
{ MP_ROM_QSTR(MP_QSTR_mem_total), MP_ROM_PTR(&mp_micropython_mem_total_obj) },
{ MP_ROM_QSTR(MP_QSTR_mem_current), MP_ROM_PTR(&mp_micropython_mem_current_obj) },
{ MP_ROM_QSTR(MP_QSTR_mem_peak), MP_ROM_PTR(&mp_micropython_mem_peak_obj) },
#endif
{ MP_ROM_QSTR(MP_QSTR_mem_info), MP_ROM_PTR(&mp_micropython_mem_info_obj) },
{ MP_ROM_QSTR(MP_QSTR_qstr_info), MP_ROM_PTR(&mp_micropython_qstr_info_obj) },
#endif
#if MICROPY_PY_MICROPYTHON_STACK_USE
{ MP_ROM_QSTR(MP_QSTR_stack_use), MP_ROM_PTR(&mp_micropython_stack_use_obj) },
#endif
#if MICROPY_ENABLE_EMERGENCY_EXCEPTION_BUF && (MICROPY_EMERGENCY_EXCEPTION_BUF_SIZE == 0)
{ MP_ROM_QSTR(MP_QSTR_alloc_emergency_exception_buf), MP_ROM_PTR(&mp_alloc_emergency_exception_buf_obj) },
#endif
#if MICROPY_ENABLE_PYSTACK
{ MP_ROM_QSTR(MP_QSTR_pystack_use), MP_ROM_PTR(&mp_micropython_pystack_use_obj) },
#endif
#if MICROPY_ENABLE_GC
{ MP_ROM_QSTR(MP_QSTR_heap_lock), MP_ROM_PTR(&mp_micropython_heap_lock_obj) },
{ MP_ROM_QSTR(MP_QSTR_heap_unlock), MP_ROM_PTR(&mp_micropython_heap_unlock_obj) },
#if MICROPY_PY_MICROPYTHON_HEAP_LOCKED
{ MP_ROM_QSTR(MP_QSTR_heap_locked), MP_ROM_PTR(&mp_micropython_heap_locked_obj) },
#endif
#endif
#if MICROPY_KBD_EXCEPTION
{ MP_ROM_QSTR(MP_QSTR_kbd_intr), MP_ROM_PTR(&mp_micropython_kbd_intr_obj) },
#endif
#if MICROPY_ENABLE_SCHEDULER
{ MP_ROM_QSTR(MP_QSTR_schedule), MP_ROM_PTR(&mp_micropython_schedule_obj) },
#endif
};
STATIC MP_DEFINE_CONST_DICT(mp_module_micropython_globals, mp_module_micropython_globals_table);
const mp_obj_module_t mp_module_micropython = {
.base = { &mp_type_module },
.globals = (mp_obj_dict_t *)&mp_module_micropython_globals,
};
MP_REGISTER_MODULE(MP_QSTR_micropython, mp_module_micropython);