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trezor-firmware/core/embed/trezorhal/common.h

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/*
* This file is part of the Trezor project, https://trezor.io/
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*
* Copyright (c) SatoshiLabs
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __TREZORHAL_COMMON_H__
#define __TREZORHAL_COMMON_H__
#include <stddef.h>
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#include <stdint.h>
#include "secbool.h"
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#include "error_handling.h"
#include "platform.h"
#ifndef MIN_8bits
#define MIN_8bits(a, b) \
({ \
typeof(a) _a = (a); \
typeof(b) _b = (b); \
_a < _b ? (_a & 0xFF) : (_b & 0xFF); \
})
#endif
#ifndef MIN
#define MIN(a, b) \
({ \
typeof(a) _a = (a); \
typeof(b) _b = (b); \
_a < _b ? _a : _b; \
})
#endif
#ifndef MAX
#define MAX(a, b) \
({ \
typeof(a) _a = (a); \
typeof(b) _b = (b); \
_a > _b ? _a : _b; \
})
#endif
void __attribute__((noreturn)) trezor_shutdown(void);
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void hal_delay(uint32_t ms);
uint32_t hal_ticks_ms();
void hal_delay_us(uint16_t delay_us);
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// Invalidates firmware on the device
// Note: only works when write access to firmware area is enabled by MPU
void invalidate_firmware(void);
#endif