tail.s

freebsd v4.4内核源码

/*
 * Boot unpacker startup routine.
 * Copyright (C) Serge Vakulenko
 */
	.text
	.globl	tail
tail:
	cli				# disable interrupts
	pushl	4(%esp)			# pass howto arg
	call	_boot			# unpack the kernel image
	popl	%eax			# discard howto arg
	ljmp	$CSEG, $KADDR		# jump to unpacked kernel