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120 lines
4.4 KiB
120 lines
4.4 KiB
/*
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* This file is part of the Trezor project, https://trezor.io/
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*
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* Copyright (c) SatoshiLabs
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "flash.h"
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#include "embed/extmod/trezorobj.h"
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/// class FlashOTP:
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/// """
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/// """
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typedef struct _mp_obj_FlashOTP_t {
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mp_obj_base_t base;
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} mp_obj_FlashOTP_t;
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/// def __init__(self) -> None:
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/// """
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/// """
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STATIC mp_obj_t mod_trezorio_FlashOTP_make_new(const mp_obj_type_t *type,
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size_t n_args, size_t n_kw,
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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_FlashOTP_t *o = m_new_obj(mp_obj_FlashOTP_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 write(self, block: int, offset: int, data: bytes) -> None:
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/// """
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/// Writes data to OTP flash
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/// """
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STATIC mp_obj_t mod_trezorio_FlashOTP_write(size_t n_args,
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const mp_obj_t *args) {
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uint8_t block = trezor_obj_get_uint8(args[1]);
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uint8_t offset = trezor_obj_get_uint8(args[2]);
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mp_buffer_info_t data;
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mp_get_buffer_raise(args[3], &data, MP_BUFFER_READ);
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if (sectrue != flash_otp_write(block, offset, data.buf, data.len)) {
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mp_raise_ValueError("write failed");
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}
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mod_trezorio_FlashOTP_write_obj, 4,
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4, mod_trezorio_FlashOTP_write);
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/// def read(self, block: int, offset: int, data: bytearray) -> None:
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/// """
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/// Reads data from OTP flash
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/// """
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STATIC mp_obj_t mod_trezorio_FlashOTP_read(size_t n_args,
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const mp_obj_t *args) {
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uint8_t block = trezor_obj_get_uint8(args[1]);
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uint8_t offset = trezor_obj_get_uint8(args[2]);
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mp_buffer_info_t data;
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mp_get_buffer_raise(args[3], &data, MP_BUFFER_WRITE);
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if (sectrue != flash_otp_read(block, offset, data.buf, data.len)) {
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mp_raise_ValueError("read failed");
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}
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mod_trezorio_FlashOTP_read_obj, 4, 4,
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mod_trezorio_FlashOTP_read);
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/// def lock(self, block: int) -> None:
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/// """
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/// Lock OTP flash block
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/// """
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STATIC mp_obj_t mod_trezorio_FlashOTP_lock(mp_obj_t self, mp_obj_t block) {
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uint8_t b = trezor_obj_get_uint8(block);
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if (sectrue != flash_otp_lock(b)) {
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mp_raise_ValueError("lock failed");
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}
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_trezorio_FlashOTP_lock_obj,
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mod_trezorio_FlashOTP_lock);
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/// def is_locked(self, block: int) -> bool:
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/// """
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/// Is OTP flash block locked?
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/// """
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STATIC mp_obj_t mod_trezorio_FlashOTP_is_locked(mp_obj_t self, mp_obj_t block) {
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uint8_t b = trezor_obj_get_uint8(block);
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return (sectrue == flash_otp_is_locked(b)) ? mp_const_true : mp_const_false;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_trezorio_FlashOTP_is_locked_obj,
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mod_trezorio_FlashOTP_is_locked);
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STATIC const mp_rom_map_elem_t mod_trezorio_FlashOTP_locals_dict_table[] = {
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{MP_ROM_QSTR(MP_QSTR_read), MP_ROM_PTR(&mod_trezorio_FlashOTP_read_obj)},
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{MP_ROM_QSTR(MP_QSTR_write), MP_ROM_PTR(&mod_trezorio_FlashOTP_write_obj)},
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{MP_ROM_QSTR(MP_QSTR_lock), MP_ROM_PTR(&mod_trezorio_FlashOTP_lock_obj)},
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{MP_ROM_QSTR(MP_QSTR_is_locked),
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MP_ROM_PTR(&mod_trezorio_FlashOTP_is_locked_obj)},
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};
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STATIC MP_DEFINE_CONST_DICT(mod_trezorio_FlashOTP_locals_dict,
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mod_trezorio_FlashOTP_locals_dict_table);
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STATIC const mp_obj_type_t mod_trezorio_FlashOTP_type = {
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{&mp_type_type},
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.name = MP_QSTR_FlashOTP,
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.make_new = mod_trezorio_FlashOTP_make_new,
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.locals_dict = (void *)&mod_trezorio_FlashOTP_locals_dict,
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};
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