.set ALIGN, 1<<0 .set MEMINFO, 1<<1 .set FLAGS, ALIGN | MEMINFO .set MAGIC, 0x1BADB002 .set CHECKSUM, -(MAGIC + FLAGS) .section .multiboot .align 4 .long MAGIC .long FLAGS .long CHECKSUM # C stack startup .section .bss .align 16 stack_bottom: .skip 16384 stack_top: # start function - calls kernel_main .section .text .global _start .type _start, @function _start: movl $stack_top, %esp call _init call kernel_main cli 1: hlt jmp 1b .size _start, . - _start .global idt_load .extern idtp idt_load: lidt (idtp) ret