mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-29 19:08:12 +00:00
146 lines
4.2 KiB
C
146 lines
4.2 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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#include STM32_HAL_H
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#include <string.h>
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#include "common.h"
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#include "display.h"
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#include "rng.h"
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#include "stm32f4xx_ll_utils.h"
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void shutdown(void);
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#define COLOR_FATAL_ERROR RGB16(0x7F, 0x00, 0x00)
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void __attribute__((noreturn)) __fatal_error(const char *expr, const char *msg, const char *file, int line, const char *func) {
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display_orientation(0);
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display_backlight(255);
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display_print_color(COLOR_WHITE, COLOR_FATAL_ERROR);
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display_printf("\nFATAL ERROR:\n");
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if (expr) {
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display_printf("expr: %s\n", expr);
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}
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if (msg) {
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display_printf("msg : %s\n", msg);
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}
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if (file) {
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display_printf("file: %s:%d\n", file, line);
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}
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if (func) {
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display_printf("func: %s\n", func);
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}
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#ifdef GITREV
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display_printf("rev : %s\n", XSTR(GITREV));
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#endif
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display_printf("\nPlease contact TREZOR support.\n");
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shutdown();
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for (;;);
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}
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void __attribute__((noreturn)) error_shutdown(const char *line1, const char *line2, const char *line3, const char *line4)
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{
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display_orientation(0);
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#ifdef TREZOR_FONT_NORMAL_ENABLE
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display_clear();
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display_bar(0, 0, DISPLAY_RESX, DISPLAY_RESY, COLOR_FATAL_ERROR);
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int y = 32;
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if (line1) {
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display_text(8, y, line1, -1, FONT_NORMAL, COLOR_WHITE, COLOR_FATAL_ERROR);
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y += 32;
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}
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if (line2) {
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display_text(8, y, line2, -1, FONT_NORMAL, COLOR_WHITE, COLOR_FATAL_ERROR);
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y += 32;
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}
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if (line3) {
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display_text(8, y, line3, -1, FONT_NORMAL, COLOR_WHITE, COLOR_FATAL_ERROR);
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y += 32;
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}
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if (line4) {
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display_text(8, y, line4, -1, FONT_NORMAL, COLOR_WHITE, COLOR_FATAL_ERROR);
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y += 32;
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}
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y += 32;
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display_text(8, y, "Please unplug the device.", -1, FONT_NORMAL, COLOR_WHITE, COLOR_FATAL_ERROR);
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#else
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display_print_color(COLOR_WHITE, COLOR_FATAL_ERROR);
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if (line1) {
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display_printf("%s\n", line1);
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}
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if (line2) {
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display_printf("%s\n", line2);
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}
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if (line3) {
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display_printf("%s\n", line3);
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}
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if (line4) {
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display_printf("%s\n", line4);
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}
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display_printf("\nPlease unplug the device.\n");
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#endif
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display_backlight(255);
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shutdown();
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for (;;);
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}
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#ifndef NDEBUG
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void __assert_func(const char *file, int line, const char *func, const char *expr) {
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__fatal_error(expr, "assert failed", file, line, func);
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}
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#endif
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void hal_delay(uint32_t ms)
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{
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HAL_Delay(ms);
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}
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// reference RM0090 section 35.12.1 Figure 413
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#define USB_OTG_HS_DATA_FIFO_RAM (USB_OTG_HS_PERIPH_BASE + 0x20000U)
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#define USB_OTG_HS_DATA_FIFO_SIZE (4096U)
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void clear_otg_hs_memory(void)
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{
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// use the HAL version due to section 2.1.6 of STM32F42xx Errata sheet
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__HAL_RCC_USB_OTG_HS_CLK_ENABLE(); // enable USB_OTG_HS peripheral clock so that the peripheral memory is accessible
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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);
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__HAL_RCC_USB_OTG_HS_CLK_DISABLE(); // disable USB OTG_HS peripheral clock as the peripheral is not needed right now
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}
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uint32_t __stack_chk_guard = 0;
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void __attribute__((noreturn)) __stack_chk_fail(void)
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{
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ensure(secfalse, "Stack smashing detected");
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}
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uint8_t HW_ENTROPY_DATA[HW_ENTROPY_LEN];
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void collect_hw_entropy(void)
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{
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uint32_t w = LL_GetUID_Word0();
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memcpy(HW_ENTROPY_DATA, &w, 4);
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w = LL_GetUID_Word1();
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memcpy(HW_ENTROPY_DATA + 4, &w, 4);
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w = LL_GetUID_Word2();
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memcpy(HW_ENTROPY_DATA + 8, &w, 4);
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}
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