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https://github.com/trezor/trezor-firmware.git
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63 lines
2.0 KiB
C
63 lines
2.0 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_STM32_H
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#define TREZORHAL_STM32_H
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#include STM32_HAL_H
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#include <stdint.h>
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#define SENSITIVE __attribute__((section(".sensitive")))
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#define FLASH_QUADWORD_WORDS (4)
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#define FLASH_QUADWORD_SIZE (FLASH_QUADWORD_WORDS * sizeof(uint32_t))
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#define FLASH_BURST_WORDS (8 * FLASH_QUADWORD_WORDS)
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#define FLASH_BURST_SIZE (FLASH_BURST_WORDS * sizeof(uint32_t))
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typedef enum {
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CLOCK_160_MHZ = 0,
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} clock_settings_t;
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void set_core_clock(clock_settings_t settings);
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void ensure_compatible_settings(void);
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void drop_privileges(void);
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// the following functions are defined in util.s
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void memset_reg(volatile void *start, volatile void *stop, uint32_t val);
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void jump_to(uint32_t address);
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void jump_to_unprivileged(uint32_t address);
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void jump_to_with_flag(uint32_t address, uint32_t register_flag);
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extern uint32_t __stack_chk_guard;
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// this deletes all secrets and SRAM2 where stack is located
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// to prevent stack smashing error, do not return from function calling this
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static inline void __attribute__((always_inline)) delete_secrets(void) {
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// Disable SAES peripheral clock, so that we don't get tamper events
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__HAL_RCC_SAES_CLK_DISABLE();
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// Erase all
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TAMP->CR2 |= TAMP_CR2_BKERASE;
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}
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void check_oem_keys(void);
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#endif // TREZORHAL_STM32_H
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