int kernel_main(uint32_t esp) {
initial_esp = esp;
gdt_install();
idt_install();
isrs_install();
irq_install();
asm volatile("sti");
timer_install();
keyboard_install();
ASSERT(mboot_ptr != 0);
ASSERT(mboot_ptr->mods_count > 0);
uint32_t initrd_location = *((uint32_t*)mboot_ptr->mods_addr);
uint32_t initrd_end = *(uint32_t*)(mboot_ptr->mods_addr + 4);
// move the start of our kernel heap to past the initrd
placement_address = initrd_end;
initialize_paging();
initialize_tasking();
fs_root = initialize_initrd(initrd_location);
// Create a new process in a new address space which is a clone of this.
int ret = fork();
printf("fork() returned %x, ", ret);
printf(" getpid() returned %x\n", getpid());
printf("Loading initial ramdisk...\n");
asm volatile("cli");
traverse_initrd();
asm volatile("sti");
printf("That's all folks\n");
for(;;);
return 0;
}
void init_kernel(uint32_t* modulep, void* kernmem, void* physbase, void* physfree) {
printf("Booting Deep-OS\n");
printf("Initializing interrupt handler\n");
if(ENABLE_INTR) {
init_pics();
idtStart();
}
printf("Initializing memory manager\n");
init_mem_mgmt(modulep, kernmem, physbase, physfree);
if (DEBUG) printf("Kernmem virt: %x\n", kernmem);
if (DEBUG) printf("Kernmem before: %x\n", get_phy_addr((uint64_t)kernmem,
kern_pml4e_virt));
printf("Initializing process manager\n");
initialize_tasking();
printf("Creating deep shell\n");
create_shell();
if (DEBUG) printf("Back after a simple switch. Current PID %d\n", getpid());
while(1);
}
