mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-30 11:28:21 +00:00
83 lines
2.3 KiB
C
83 lines
2.3 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 __TREZORHAL_COMMON_H__
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#define __TREZORHAL_COMMON_H__
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#include <stddef.h>
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#include <stdint.h>
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#include "secbool.h"
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#include "platform.h"
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#ifndef MIN_8bits
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#define MIN_8bits(a, b) \
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({ \
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typeof(a) _a = (a); \
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typeof(b) _b = (b); \
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_a < _b ? (_a & 0xFF) : (_b & 0xFF); \
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})
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#endif
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#ifndef MIN
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#define MIN(a, b) \
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({ \
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typeof(a) _a = (a); \
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typeof(b) _b = (b); \
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_a < _b ? _a : _b; \
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})
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#endif
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#ifndef MAX
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#define MAX(a, b) \
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({ \
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typeof(a) _a = (a); \
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typeof(b) _b = (b); \
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_a > _b ? _a : _b; \
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})
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#endif
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void __attribute__((noreturn)) trezor_shutdown(void);
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void __attribute__((noreturn))
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__fatal_error(const char *expr, const char *msg, const char *file, int line,
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const char *func);
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void __attribute__((noreturn))
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error_shutdown(const char *label, const char *msg);
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void show_wipe_code_screen(void);
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void show_pin_too_many_screen(void);
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#define ensure(expr, msg) \
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(((expr) == sectrue) \
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? (void)0 \
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: __fatal_error(#expr, msg, __FILE__, __LINE__, __func__))
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void hal_delay(uint32_t ms);
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uint32_t hal_ticks_ms();
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void hal_delay_us(uint16_t delay_us);
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void collect_hw_entropy(void);
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#define HW_ENTROPY_LEN (12 + 32)
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extern uint8_t HW_ENTROPY_DATA[HW_ENTROPY_LEN];
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// Invalidates firmware on the device
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// Note: only works when write access to firmware area is enabled by MPU
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void invalidate_firmware(void);
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#endif
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