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_piix3_c::init(void)
{
unsigned i;
// called once when bochs initializes
Bit8u devfunc = BX_PCI_DEVICE(1,0);
DEV_register_pci_handlers(this, &devfunc, BX_PLUGIN_PCI2ISA,
"PIIX3 PCI-to-ISA bridge");
DEV_register_iowrite_handler(this, write_handler, 0x00B2, "PIIX3 PCI-to-ISA bridge", 1);
DEV_register_iowrite_handler(this, write_handler, 0x00B3, "PIIX3 PCI-to-ISA bridge", 1);
DEV_register_iowrite_handler(this, write_handler, 0x04D0, "PIIX3 PCI-to-ISA bridge", 1);
DEV_register_iowrite_handler(this, write_handler, 0x04D1, "PIIX3 PCI-to-ISA bridge", 1);
DEV_register_iowrite_handler(this, write_handler, 0x0CF9, "PIIX3 PCI-to-ISA bridge", 1);
DEV_register_ioread_handler(this, read_handler, 0x00B2, "PIIX3 PCI-to-ISA bridge", 1);
DEV_register_ioread_handler(this, read_handler, 0x00B3, "PIIX3 PCI-to-ISA bridge", 1);
DEV_register_ioread_handler(this, read_handler, 0x04D0, "PIIX3 PCI-to-ISA bridge", 1);
DEV_register_ioread_handler(this, read_handler, 0x04D1, "PIIX3 PCI-to-ISA bridge", 1);
DEV_register_ioread_handler(this, read_handler, 0x0CF9, "PIIX3 PCI-to-ISA bridge", 1);
for (i=0; i<256; i++)
BX_P2I_THIS s.pci_conf[i] = 0x0;
for (i=0; i<16; i++)
BX_P2I_THIS s.irq_registry[i] = 0x0;
for (i=0; i<16; i++)
BX_P2I_THIS s.irq_level[i] = 0x0;
// readonly registers
BX_P2I_THIS s.pci_conf[0x00] = 0x86;
BX_P2I_THIS s.pci_conf[0x01] = 0x80;
BX_P2I_THIS s.pci_conf[0x02] = 0x00;
BX_P2I_THIS s.pci_conf[0x03] = 0x70;
BX_P2I_THIS s.pci_conf[0x04] = 0x07;
BX_P2I_THIS s.pci_conf[0x0a] = 0x01;
BX_P2I_THIS s.pci_conf[0x0b] = 0x06;
BX_P2I_THIS s.pci_conf[0x0e] = 0x80;
// irq routing registers
BX_P2I_THIS s.pci_conf[0x60] = 0x80;
BX_P2I_THIS s.pci_conf[0x61] = 0x80;
BX_P2I_THIS s.pci_conf[0x62] = 0x80;
BX_P2I_THIS s.pci_conf[0x63] = 0x80;
}
