1
0
mirror of https://github.com/trezor/trezor-firmware.git synced 2024-11-22 15:38:11 +00:00
trezor-firmware/embed/trezorhal/common.h

85 lines
2.3 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 __TREZORHAL_COMMON_H__
#define __TREZORHAL_COMMON_H__
#include <stdint.h>
#include "secbool.h"
#define XSTR(s) STR(s)
#define STR(s) #s
#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))
__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 delay_random(void);
void clear_otg_hs_memory(void);
extern uint32_t __stack_chk_guard;
void collect_hw_entropy(void);
#define HW_ENTROPY_LEN (12 + 32)
extern uint8_t HW_ENTROPY_DATA[HW_ENTROPY_LEN];
// the following functions are defined in util.s
void memset_reg(volatile void *start, volatile void *stop, uint32_t val);
void jump_to(uint32_t address);
void jump_to_unprivileged(uint32_t address);
#endif