#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define SYS_CORE_C #ifndef VERSION char* os_info_v = "?"; #else char* os_info_v = VERSION; #endif // Initialize IRQs void sysinit(void) { // Route GPU interrupts to Core 0 store32(0x00, GPU_INTERRUPTS_ROUTING); // Mask Overrun of UART0 store32(1<<4, UART0_IMSC); // Enable UART GPU IRQ store32(1<<25, IRQ_ENABLE2); // Enable Timer // As an IRQ store32(1<<0, IRQ_BASIC_ENABLE); // Get the frequency cntfrq = read_cntfrq(); // Clear cntv interrupt and set next 1 second timer write_cntv_tval(cntfrq); // Route timer to core0 irq routing_core0cntv_to_core0irq(); // Enable timer enablecntv(); // Graphics Initialize lfb_init(); lfb_showpicture(); // Enable IRQ & FIQ enableirq(); enablefiq(); // Start Scheduler }