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refactor(core): remove common.c on all platforms

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This commit is contained in:
cepetr 2024-10-03 17:23:20 +02:00 committed by cepetr
parent 12a9dca5e1
commit bfa3ea4e5e
8 changed files with 25 additions and 98 deletions
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4
core/embed/boardloader/main.c
View File

@ -258,10 +258,6 @@ int main(void) {
secret_init();
#ifdef STM32F4
clear_otg_hs_memory();
#endif
#ifdef USE_SDRAM
sdram_init();
#endif

58
core/embed/trezorhal/stm32f4/common.c
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@ -1,58 +0,0 @@
/*
* 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/>.
*/
#include STM32_HAL_H
#include <string.h>
#include "common.h"
#include "display.h"
#include "error_handling.h"
#include "model.h"
#include "flash_otp.h"
#include "platform.h"
#include "rand.h"
#include "stm32f4xx_ll_utils.h"
#ifdef TREZOR_MODEL_T
#include "backlight_pwm.h"
#endif
#ifdef KERNEL_MODE
// reference RM0090 section 35.12.1 Figure 413
#define USB_OTG_HS_DATA_FIFO_RAM (USB_OTG_HS_PERIPH_BASE + 0x20000U)
#define USB_OTG_HS_DATA_FIFO_SIZE (4096U)
void clear_otg_hs_memory(void) {
// use the HAL version due to section 2.1.6 of STM32F42xx Errata sheet
__HAL_RCC_USB_OTG_HS_CLK_ENABLE(); // enable USB_OTG_HS peripheral clock so
// that the peripheral memory is
// accessible
memset_reg(
(volatile void *)USB_OTG_HS_DATA_FIFO_RAM,
(volatile void *)(USB_OTG_HS_DATA_FIFO_RAM + USB_OTG_HS_DATA_FIFO_SIZE),
0);
__HAL_RCC_USB_OTG_HS_CLK_DISABLE(); // disable USB OTG_HS peripheral clock as
// the peripheral is not needed right now
}
#endif // KERNEL_MODE

19
core/embed/trezorhal/stm32f4/platform.c
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@ -207,4 +207,23 @@ void set_core_clock(clock_settings_t settings) {
}
#endif
// reference RM0090 section 35.12.1 Figure 413
#define USB_OTG_HS_DATA_FIFO_RAM (USB_OTG_HS_PERIPH_BASE + 0x20000U)
#define USB_OTG_HS_DATA_FIFO_SIZE (4096U)
// Clears USB FIFO memory to prevent data leakage of sensitive information
__attribute((used)) void clear_otg_hs_memory(void) {
// use the HAL version due to section 2.1.6 of STM32F42xx Errata sheet
__HAL_RCC_USB_OTG_HS_CLK_ENABLE(); // enable USB_OTG_HS peripheral clock so
// that the peripheral memory is
// accessible
memset_reg(
(volatile void *)USB_OTG_HS_DATA_FIFO_RAM,
(volatile void *)(USB_OTG_HS_DATA_FIFO_RAM + USB_OTG_HS_DATA_FIFO_SIZE),
0);
__HAL_RCC_USB_OTG_HS_CLK_DISABLE(); // disable USB OTG_HS peripheral clock as
// the peripheral is not needed right now
}
#endif // KERNEL_MODE

1
core/embed/trezorhal/stm32f4/platform.h
View File

@ -35,6 +35,5 @@ void set_core_clock(clock_settings_t settings);
void memset_reg(volatile void *start, volatile void *stop, uint32_t val);
void jump_to(uint32_t address);
void jump_to_with_flag(uint32_t address, uint32_t register_flag);
void clear_otg_hs_memory(void);
#endif // TREZORHAL_STM32_H

7
core/embed/trezorhal/stm32f4/startup_stage_0.s
View File

@ -43,11 +43,16 @@ reset_handler:
ldr r2, =data_size // size in bytes
bl memcpy
// setup the stack protector (see build script "-fstack-protector-all") with an unpredictable value
// setup the stack protector (see build script "-fstack-protector-all")
// with an unpredictable value
bl rng_get
ldr r1, = __stack_chk_guard
str r0, [r1]
// Clear the USB FIFO memory to prevent data leakage of sensitive information.
// This peripheral memory is not cleared by a device reset.
bl clear_otg_hs_memory
// enter the application code
bl main

32
core/embed/trezorhal/stm32u5/common.c
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@ -1,32 +0,0 @@
/*
* 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/>.
*/
#include STM32_HAL_H
#include <string.h>
#include "common.h"
#include "display.h"
#include "error_handling.h"
#include "flash_otp.h"
#include "model.h"
#include "rand.h"
#include "secret.h"
#include "stm32u5xx_ll_utils.h"

1
core/site_scons/models/stm32f4_common.py
View File

@ -43,7 +43,6 @@ def stm32f4_common_files(env, defines, sources, paths):
"embed/trezorhal/stm32f4/applet.c",
"embed/trezorhal/stm32f4/board_capabilities.c",
"embed/trezorhal/stm32f4/bootutils.c",
"embed/trezorhal/stm32f4/common.c",
"embed/trezorhal/stm32f4/entropy.c",
"embed/trezorhal/stm32f4/flash.c",
"embed/trezorhal/stm32f4/flash_otp.c",

1
core/site_scons/models/stm32u5_common.py
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@ -52,7 +52,6 @@ def stm32u5_common_files(env, defines, sources, paths):
"embed/trezorhal/stm32u5/applet.c",
"embed/trezorhal/stm32u5/board_capabilities.c",
"embed/trezorhal/stm32u5/bootutils.c",
"embed/trezorhal/stm32u5/common.c",
"embed/trezorhal/stm32u5/entropy.c",
"embed/trezorhal/stm32u5/flash.c",
"embed/trezorhal/stm32u5/flash_otp.c",