void ac_init(ac_uptr ptr, ac_uint word) {
ac_printf("ac_init: flags=0x%x\n", get_flags());
#if 1
// Usng the multiboot2 header conflicts with
// ACPI so for now just map the first 3Gib+.
// I can't map all of it because the default
// for my local APIC is 0xfee00000, will look
// at moving it above 4Gib so we can map all
// of the lower 4Gib as RAM.
init_early_page_tables(0ll, 0xE0000000);
#else
// Create initial page table
initial_page_table(ptr, word);
#endif
// Initialize interrupt descriptor table and apic since
// they are not done by default, yet.
initialize_intr_descriptor_table();
// Initialize receptor module
AcReceptor_early_init();
// Initialize Advanced Programmable Interrupt Controller
if (apic_early_init() != 0) {
/** reset */
ac_printf("ABORTING: file ac_init; initialize_apic failed\n");
reset_x86();
}
// Initialize tsc
ac_tsc_init();
// Initialize perf and power msrs
msr_perf_power_x86_init();
// Initialize threading module
ac_thread_early_init();
// Initialize ioapic
ioapic_early_init();
// Initialize keyboard module
ac_keyboard_early_init();
// Initialize ac_time
AcTime_early_init();
// Enable interrupts
sti();
ac_printf("ac_init:-flags=0x%x\n", get_flags());
}
int main(void) {
ac_bool error = AC_FALSE;
initialize_intr_descriptor_table();
error |= test_interrupts();
if (!error) {
ac_printf("OK\n");
}
return error;
}
