fs_node* vfs_init_fs(unsigned int partitionID, unsigned int fsID, unsigned int drive, unsigned int addr, unsigned int offset){
switch (fsID){
case 0x0C:
case 0x0B: //FAT32
return fat32_init(drive,addr,offset);
break;
default: kprintf("unknown fs=%x drive=%x addr=%x partitionID=%d offset=%d\n",fsID,drive,addr,partitionID,offset);
break;
}
return NULL;
}
void kernel_entry (multiboot_info* bootinfo)
{
clear_screen(); puts("Kernel loaded.\n");
gdt_install(); puts("GDT initialised.\n");
idt_install(); puts("IDT initialised.\n");
memman_init(bootinfo);
kheap_init();
fat32_init();
// TODO: figure out how to do it safely
//acpi_init();
apic_init();
ioapic_init(); // keyboard only for now
register_handler(0x21, keyboard_handler);
register_handler(0xD, gpf_handler);
syscalls_init(); // maybe syscalls_init() like acpi_init, apic_init, etc... there should be common naming
timer_init(0x20, 0x002fffff, 0xB, 1); // vector, counter, divider, periodic -- check manual before using
// sets up kernel task and registers handler for timer
scheduler_init();
// registers locking sys
monitor_init();
keyboard_init();
// testing scheduler
if (fork_kernel() == 0)
{
if (!exec("SHELL"))
{
// something horrible happend
// exit()
}
exit();
}
else
{
for(;;)
{
asm volatile("hlt");
}
}
asm ("sti"); // release monsters, it can be set earlier, but fails horribly if set before acpi_init
for(;;);
}