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trezor-firmware/core/embed/unix/common.h
2019-06-17 20:28:29 +02:00

66 lines
1.8 KiB
C

/*
* This file is part of the Trezor project, https://trezor.io/
*
* 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 __TREZORUNIX_COMMON_H__
#define __TREZORUNIX_COMMON_H__
#include <stdint.h>
#include "secbool.h"
#define XSTR(s) STR(s)
#define STR(s) #s
#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))
__fatal_error(const char *expr, const char *msg, const char *file, int line,
const char *func);
void __attribute__((noreturn))
error_shutdown(const char *line1, const char *line2, const char *line3,
const char *line4);
#define ensure(expr, msg) \
(((expr) == sectrue) \
? (void)0 \
: __fatal_error(#expr, msg, __FILE__, __LINE__, __func__))
void hal_delay(uint32_t ms);
void wait_random(void);
void collect_hw_entropy(void);
#define HW_ENTROPY_LEN (12 + 32)
extern uint8_t HW_ENTROPY_DATA[HW_ENTROPY_LEN];
#endif