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trezor-firmware/embed/trezorhal/common.c
2018-02-26 14:07:37 +01:00

85 lines
2.6 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/>.
*/
#include STM32_HAL_H
#include "common.h"
#include "display.h"
#include "rng.h"
void shutdown(void);
#define COLOR_FATAL_ERROR RGB16(0x7F, 0x00, 0x00)
void __attribute__((noreturn)) __fatal_error(const char *expr, const char *msg, const char *file, int line, const char *func) {
display_orientation(0);
display_backlight(255);
display_print_color(COLOR_WHITE, COLOR_FATAL_ERROR);
display_printf("\nFATAL ERROR:\n");
if (expr) {
display_printf("expr: %s\n", expr);
}
if (msg) {
display_printf("msg : %s\n", msg);
}
if (file) {
display_printf("file: %s:%d\n", file, line);
}
if (func) {
display_printf("func: %s\n", func);
}
#ifdef GITREV
#define XSTR(s) STR(s)
#define STR(s) #s
display_printf("rev : %s\n", XSTR(GITREV));
#endif
shutdown();
for (;;);
}
#ifndef NDEBUG
void __assert_func(const char *file, int line, const char *func, const char *expr) {
__fatal_error(expr, "assert failed", file, line, func);
}
#endif
void hal_delay(uint32_t ms)
{
HAL_Delay(ms);
}
// 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
}
uint32_t __stack_chk_guard = 0;
void __attribute__((noreturn)) __stack_chk_fail(void)
{
ensure(secfalse, "Stack smashing detected");
}