mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-18 13:38:12 +00:00
89 lines
2.7 KiB
C
89 lines
2.7 KiB
C
#include STM32_HAL_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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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_RED128);
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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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#define XSTR(s) STR(s)
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#define STR(s) #s
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display_printf("rev : %s\n", XSTR(GITREV));
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#endif
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shutdown();
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for (;;);
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}
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uint32_t __stack_chk_guard;
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void __attribute__((noreturn)) __stack_chk_fail(void)
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{
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ensure(0, "Stack smashing detected");
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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 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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// 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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// 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 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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const uint32_t unpredictable = rng_get();
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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), unpredictable);
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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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