void bx_piix3_c::after_restore_state(void) { for (unsigned i=0; i<16; i++) { if (BX_P2I_THIS s.irq_registry[i]) { DEV_register_irq(i, "PIIX3 IRQ routing"); } } }
void bx_piix3_c::pci_register_irq(unsigned pirq, unsigned irq) { if ((irq < 16) && (((1 << irq) & 0xdef8) > 0)) { if (BX_P2I_THIS s.pci_conf[0x60 + pirq] < 16) { pci_unregister_irq(pirq); } BX_P2I_THIS s.pci_conf[0x60 + pirq] = irq; if (!BX_P2I_THIS s.irq_registry[irq]) { DEV_register_irq(irq, "PIIX3 IRQ routing"); } BX_P2I_THIS s.irq_registry[irq] |= (1 << pirq); } }
void bx_pit_c::init(void) { DEV_register_irq(0, "8254 PIT"); DEV_register_ioread_handler(this, read_handler, 0x0040, "8254 PIT", 1); DEV_register_ioread_handler(this, read_handler, 0x0041, "8254 PIT", 1); DEV_register_ioread_handler(this, read_handler, 0x0042, "8254 PIT", 1); DEV_register_ioread_handler(this, read_handler, 0x0043, "8254 PIT", 1); DEV_register_ioread_handler(this, read_handler, 0x0061, "8254 PIT", 1); DEV_register_iowrite_handler(this, write_handler, 0x0040, "8254 PIT", 1); DEV_register_iowrite_handler(this, write_handler, 0x0041, "8254 PIT", 1); DEV_register_iowrite_handler(this, write_handler, 0x0042, "8254 PIT", 1); DEV_register_iowrite_handler(this, write_handler, 0x0043, "8254 PIT", 1); DEV_register_iowrite_handler(this, write_handler, 0x0061, "8254 PIT", 1); BX_DEBUG(("starting init")); BX_PIT_THIS s.speaker_data_on = 0; BX_PIT_THIS s.refresh_clock_div2 = 0; BX_PIT_THIS s.timer.init(); BX_PIT_THIS s.timer.set_OUT_handler(0, irq_handler); Bit64u my_time_usec = bx_virt_timer.time_usec(); if (BX_PIT_THIS s.timer_handle[0] == BX_NULL_TIMER_HANDLE) { BX_PIT_THIS s.timer_handle[0] = bx_virt_timer.register_timer(this, timer_handler, (unsigned) 100 , 1, 1, "pit_wrap"); } BX_DEBUG(("RESETting timer.")); bx_virt_timer.deactivate_timer(BX_PIT_THIS s.timer_handle[0]); BX_DEBUG(("deactivated timer.")); if (BX_PIT_THIS s.timer.get_next_event_time()) { bx_virt_timer.activate_timer(BX_PIT_THIS s.timer_handle[0], (Bit32u)BX_MAX(1,TICKS_TO_USEC(BX_PIT_THIS s.timer.get_next_event_time())), 0); BX_DEBUG(("activated timer.")); } BX_PIT_THIS s.last_next_event_time = BX_PIT_THIS s.timer.get_next_event_time(); BX_PIT_THIS s.last_usec = my_time_usec; BX_PIT_THIS s.total_ticks = 0; BX_PIT_THIS s.total_usec = 0; BX_DEBUG(("finished init")); BX_DEBUG(("s.last_usec="FMT_LL"d",BX_PIT_THIS s.last_usec)); BX_DEBUG(("s.timer_id=%d",BX_PIT_THIS s.timer_handle[0])); BX_DEBUG(("s.timer.get_next_event_time=%d", BX_PIT_THIS s.timer.get_next_event_time())); BX_DEBUG(("s.last_next_event_time=%d", BX_PIT_THIS s.last_next_event_time)); }
void bx_extfpuirq_c::init(void) { // called once when bochs initializes DEV_register_iowrite_handler(this, write_handler, 0x00F0, "External FPU IRQ", 1); DEV_register_irq(13, "External FPU IRQ"); }