mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-11 17:08:15 +00:00
72 lines
2.3 KiB
C
72 lines
2.3 KiB
C
/*
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* Copyright (c) Pavol Rusnak, SatoshiLabs
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*
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* Licensed under TREZOR License
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* see LICENSE file for details
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdint.h>
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#include "py/nlr.h"
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#include "py/runtime.h"
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#include "py/binary.h"
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#include "py/objstr.h"
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#if MICROPY_PY_TREZORUTILS
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typedef struct _mp_obj_Utils_t {
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mp_obj_base_t base;
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} mp_obj_Utils_t;
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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) {
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mp_arg_check_num(n_args, n_kw, 0, 0, false);
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mp_obj_Utils_t *o = m_new_obj(mp_obj_Utils_t);
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o->base.type = type;
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return MP_OBJ_FROM_PTR(o);
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}
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/// def trezor.utils.memaccess(address: int, length: int) -> bytes
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/// '''
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/// Creates a bytes object that can be used to access certain memory location.
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/// '''
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STATIC mp_obj_t mod_TrezorUtils_Utils_memaccess(mp_obj_t self, mp_obj_t address, mp_obj_t length) {
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uint32_t addr = mp_obj_get_int(address);
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uint32_t len = mp_obj_get_int(length);
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mp_obj_str_t *o = m_new_obj(mp_obj_str_t);
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o->base.type = &mp_type_bytes;
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o->len = len;
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o->hash = 0;
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o->data = (byte *)(uintptr_t)addr;
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return MP_OBJ_FROM_PTR(o);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_3(mod_TrezorUtils_Utils_memaccess_obj, mod_TrezorUtils_Utils_memaccess);
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STATIC const mp_rom_map_elem_t mod_TrezorUtils_Utils_locals_dict_table[] = {
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{ MP_ROM_QSTR(MP_QSTR_memaccess), MP_ROM_PTR(&mod_TrezorUtils_Utils_memaccess_obj) },
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};
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STATIC MP_DEFINE_CONST_DICT(mod_TrezorUtils_Utils_locals_dict, mod_TrezorUtils_Utils_locals_dict_table);
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STATIC const mp_obj_type_t mod_TrezorUtils_Utils_type = {
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{ &mp_type_type },
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.name = MP_QSTR_Utils,
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.make_new = mod_TrezorUtils_Utils_make_new,
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.locals_dict = (void*)&mod_TrezorUtils_Utils_locals_dict,
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};
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STATIC const mp_rom_map_elem_t mp_module_TrezorUtils_globals_table[] = {
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{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_TrezorUtils) },
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{ MP_ROM_QSTR(MP_QSTR_Utils), MP_ROM_PTR(&mod_TrezorUtils_Utils_type) },
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};
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STATIC MP_DEFINE_CONST_DICT(mp_module_TrezorUtils_globals, mp_module_TrezorUtils_globals_table);
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const mp_obj_module_t mp_module_TrezorUtils = {
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.base = { &mp_type_module },
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.name = MP_QSTR_TrezorUtils,
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.globals = (mp_obj_dict_t*)&mp_module_TrezorUtils_globals,
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};
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#endif // MICROPY_PY_TREZORUTILS
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