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https://github.com/trezor/trezor-firmware.git
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60 lines
1.5 KiB
C
60 lines
1.5 KiB
C
/*
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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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#ifndef __NORCOW_H__
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#define __NORCOW_H__
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#include <stdint.h>
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#include "secbool.h"
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/*
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* Storage parameters:
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*/
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#define NORCOW_SECTOR_COUNT 2
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#define NORCOW_SECTOR_SIZE (64*1024)
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/*
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* Initialize storage
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*/
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void norcow_init(void);
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/*
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* Wipe the storage
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*/
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void norcow_wipe(void);
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/*
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* Looks for the given key, returns status of the operation
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*/
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secbool norcow_get(uint16_t key, const void **val, uint16_t *len);
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/*
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* Sets the given key, returns status of the operation
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*/
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secbool norcow_set(uint16_t key, const void *val, uint16_t len);
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/*
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* Update a word in flash in the given key at the given offset.
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* Note that you can only change bits from 1 to 0.
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*/
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secbool norcow_update(uint16_t key, uint16_t offset, uint32_t value);
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#endif
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