/*
* Alerts any space-object that is in range of the inbound or outbound border crossing
*/
void alert_border_cross (int x, int a, int way)
{
register int i;
if (sdb[x].move.out != 0.0)
for (i = MIN_SPACE_OBJECTS; i <= max_space_objects; ++i)
if (sdb[i].status.active)
if (sdb[i].space == sdb[x].space)
if (sdb[i].move.empire == a)
if (i != x)
if (sdb2range(x, i) < MAX_NOTIFICATION_DISTANCE) {
if (way) {
console_message(i, "helm science security",
ansi_warn(tprintf("Inbound border crossing reported at %.3f %.3f %.3f",
su2pc(sdb[x].coords.x - sdb[i].coords.xo),
su2pc(sdb[x].coords.y - sdb[i].coords.yo),
su2pc(sdb[x].coords.z - sdb[i].coords.zo))));
} else
console_message(i, "helm science security",
ansi_warn(tprintf("Outbound border crossing reported at %.3f %.3f %.3f",
su2pc(sdb[x].coords.x - sdb[i].coords.xo),
su2pc(sdb[x].coords.y - sdb[i].coords.yo),
su2pc(sdb[x].coords.z - sdb[i].coords.zo))));
}
return;
}
void pm_setup(void)
{
cr0_set(cr0_get() | CR0_PM);
cs_set(KERNEL_CS);
ds_set(KERNEL_DS);
es_set(KERNEL_DS);
fs_set(KERNEL_DS);
gs_set(KERNEL_DS);
ss_set(KERNEL_DS);
console_message(T_OK, "Kernel now running in protected-mode");
}
int i386_pc_timer_initialize(void)
{
int err;
pit_initialize();
err = interrupt_register(PIC_IRQ_PIT, INTERRUPT_CALLBACK, timer_handler);
if (err < 0) {
console_message(T_ERR, "Unable to register timer handler");
return err;
}
return 0;
}
void interrupt_dispatch(struct irq_regs *regs)
{
/*
* FIXME: we use reg->irq_num and reg->irq_data that must be here
* for every architecture ....
*/
interrupt_acnowledge(regs->irq_num);
if (regs->irq_num >= MAX_IRQ_NUMBER)
kernel_panic("Invalid IRQ number");
if (interrupt_entries[regs->irq_num].type == INTERRUPT_CALLBACK)
interrupt_entries[regs->irq_num].callback(regs);
else
console_message(T_INF, "Unhandled IRQ %i fired with data = 0x%x",
regs->irq_num, regs->irq_data);
}
/* Alerts the ship when it has departed an empires space */
void alert_exit_empire (int x)
{
console_message(x, "helm", ansi_alert(tprintf("Departing %s space", unparse_empire(x))));
return;
}
/* Alerts the ship when it has entered an empires space */
void alert_enter_empire (int x)
{
console_message(x, "helm", ansi_warn(tprintf("Entering %s space", unparse_empire(x))));
return;
}
