void main() {
bt_initialize();
trace_initialize();
i386_initialize_descriptor_tables();
i8259_initialize();
exceptions_initialize();
timer_initialize();
mem_initialize();
dma_initialize();
keyboard_initialize();
floppy_initialize();
tty_initialize();
sys_initialize();
loader_initialize();
clear_display();
printk("Start running processes!!!\nStartup Communications\n Press ALT-LSHIFT for next terminal\n");
i8259_start();
while(1);
}
struct pic_ops *
setup_prepivr(int ivrtype)
{
struct i8259_ops *prepivr;
struct pic_ops *pic;
uint32_t pivr;
prepivr = kmem_alloc(sizeof(*prepivr), KM_SLEEP);
KASSERT(prepivr != NULL);
pic = &prepivr->pic;
pivr = prep_intr_reg + prep_intr_reg_off;
pic->pic_numintrs = 16;
pic->pic_cookie = (void *)pivr;
pic->pic_enable_irq = i8259_enable_irq;
pic->pic_reenable_irq = i8259_enable_irq;
pic->pic_disable_irq = i8259_disable_irq;
if (ivrtype == PIC_IVR_MOT)
pic->pic_get_irq = motivr_get_irq;
else
pic->pic_get_irq = prepivr_get_irq;
pic->pic_ack_irq = i8259_ack_irq;
pic->pic_establish_irq = prepivr_establish_irq;
pic->pic_finish_setup = NULL;
strcpy(pic->pic_name, "prepivr");
pic_add(pic);
prepivr->pending_events = 0;
prepivr->enable_mask = 0xffffffff;
prepivr->irqs = 0;
/* initialize the ELCR */
isa_outb(IO_ELCR1, (0 >> 0) & 0xff);
isa_outb(IO_ELCR2, (0 >> 8) & 0xff);
i8259_initialize();
return pic;
}
