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