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mirror of https://github.com/trezor/trezor-firmware.git synced 2024-11-18 05:28:40 +00:00
trezor-firmware/embed/trezorhal/common.c
2017-09-28 19:33:18 +02:00

74 lines
2.0 KiB
C

#include STM32_HAL_H
#include "common.h"
#include "display.h"
void __attribute__((noreturn)) __fatal_error(const char *msg, const char *file, int line, const char *func) {
for (volatile uint32_t delay = 0; delay < 10000000; delay++) {}
display_orientation(0);
display_backlight(255);
display_print_color(COLOR_WHITE, COLOR_RED128);
display_printf("\nFATAL ERROR:\n%s\n", msg);
if (file) {
display_printf("File: %s:%d\n", file, line);
}
if (func) {
display_printf("Func: %s\n", func);
}
for (;;);
}
#ifndef NDEBUG
void __assert_func(const char *file, int line, const char *func, const char *expr) {
display_printf("\nassert(%s)\n", expr);
__fatal_error("Assertion failed", file, line, func);
}
#endif
void __attribute__((noreturn)) nlr_jump_fail(void *val) {
__fatal_error("uncaught exception", __FILE__, __LINE__, __FUNCTION__);
}
extern void SystemClock_Config(void);
void periph_init(void) {
// STM32F4xx HAL library initialization:
// - configure the Flash prefetch, instruction and data caches
// - configure the Systick to generate an interrupt each 1 msec
// - set NVIC Group Priority to 4
// - global MSP (MCU Support Package) initialization
HAL_Init();
// Set the system clock to be HSE
SystemClock_Config();
// Enable CSS (Clock Security System)
HAL_RCC_EnableCSS();
// Enable GPIO clocks
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
__HAL_RCC_GPIOC_CLK_ENABLE();
__HAL_RCC_GPIOD_CLK_ENABLE();
// Enable the CCM RAM
__HAL_RCC_CCMDATARAMEN_CLK_ENABLE();
// Clear the reset flags
PWR->CR |= PWR_CR_CSBF;
RCC->CSR |= RCC_CSR_RMVF;
// Enable CPU ticks
CoreDebug->DEMCR |= CoreDebug_DEMCR_TRCENA_Msk; // Enable DWT
DWT->CYCCNT = 0; // Reset Cycle Count Register
DWT->CTRL |= DWT_CTRL_CYCCNTENA_Msk; // Enable Cycle Count Register
}
void jump_to(uint32_t start)
{
SCB->VTOR = start;
__asm__ volatile("msr msp, %0"::"g" (*(volatile uint32_t *)start));
(*(void (**)())(start + 4))();
}