1
0
mirror of https://github.com/trezor/trezor-firmware.git synced 2024-12-26 16:18:22 +00:00
trezor-firmware/extmod/modtrezorutils/modtrezorutils.c

72 lines
2.3 KiB
C

/*
* Copyright (c) Pavol Rusnak, SatoshiLabs
*
* Licensed under Microsoft Reference Source License (Ms-RSL)
* see LICENSE.md file for details
*/
#include <stdio.h>
#include <string.h>
#include <stdint.h>
#include "py/nlr.h"
#include "py/runtime.h"
#include "py/binary.h"
#include "py/objstr.h"
#if MICROPY_PY_TREZORUTILS
typedef struct _mp_obj_Utils_t {
mp_obj_base_t base;
} mp_obj_Utils_t;
STATIC mp_obj_t mod_TrezorUtils_Utils_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) {
mp_arg_check_num(n_args, n_kw, 0, 0, false);
mp_obj_Utils_t *o = m_new_obj(mp_obj_Utils_t);
o->base.type = type;
return MP_OBJ_FROM_PTR(o);
}
/// def trezor.utils.memaccess(address: int, length: int) -> bytes
///
/// Creates a bytes object that can be used to access certain memory location.
///
STATIC mp_obj_t mod_TrezorUtils_Utils_memaccess(mp_obj_t self, mp_obj_t address, mp_obj_t length) {
uint32_t addr = mp_obj_get_int(address);
uint32_t len = mp_obj_get_int(length);
mp_obj_str_t *o = m_new_obj(mp_obj_str_t);
o->base.type = &mp_type_bytes;
o->len = len;
o->hash = 0;
o->data = (byte *)(uintptr_t)addr;
return MP_OBJ_FROM_PTR(o);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_3(mod_TrezorUtils_Utils_memaccess_obj, mod_TrezorUtils_Utils_memaccess);
STATIC const mp_rom_map_elem_t mod_TrezorUtils_Utils_locals_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_memaccess), MP_ROM_PTR(&mod_TrezorUtils_Utils_memaccess_obj) },
};
STATIC MP_DEFINE_CONST_DICT(mod_TrezorUtils_Utils_locals_dict, mod_TrezorUtils_Utils_locals_dict_table);
STATIC const mp_obj_type_t mod_TrezorUtils_Utils_type = {
{ &mp_type_type },
.name = MP_QSTR_Utils,
.make_new = mod_TrezorUtils_Utils_make_new,
.locals_dict = (void*)&mod_TrezorUtils_Utils_locals_dict,
};
STATIC const mp_rom_map_elem_t mp_module_TrezorUtils_globals_table[] = {
{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_TrezorUtils) },
{ MP_ROM_QSTR(MP_QSTR_Utils), MP_ROM_PTR(&mod_TrezorUtils_Utils_type) },
};
STATIC MP_DEFINE_CONST_DICT(mp_module_TrezorUtils_globals, mp_module_TrezorUtils_globals_table);
const mp_obj_module_t mp_module_TrezorUtils = {
.base = { &mp_type_module },
.name = MP_QSTR_TrezorUtils,
.globals = (mp_obj_dict_t*)&mp_module_TrezorUtils_globals,
};
#endif // MICROPY_PY_TREZORUTILS