#include #include void disable_async_interrupts(void) { } void enable_async_interrupts(void) { } void Default_Handler(void) { while (true) {} } __attribute__((weak)) void handle_irq(void) { unsigned int irq = *((volatile uint32_t*) 0x3F00B204); switch (irq) { // case (SYSTEM_TIMER_IRQ_1): // handle_timer_irq(); // break; default: // printf("Unknown pending irq: %x\r\n", irq); Default_Handler(); } }