Subversion Repositories HelenOS-historic

(root)/kernel/trunk/arch/ia32/src/smp/ap.S @ 1780 – Rev 298 → 300



.code16
	cli
	xorw %ax, %ax
	movw %ax, %ds
 
	lgdt real_bootstrap_gdtr_boot	# initialize Global Descriptor Table register
	
	movl %cr0, %eax
	orl $1, %eax
	movl %eax, %cr0				# switch to protected mode
	jmpl $KTEXT, $jump_to_kernel

Rev 298	Rev 300
Line 48...	Line 48...
48	.code16	48	.code16
49	cli	49	cli
50	xorw %ax, %ax	50	xorw %ax, %ax
51	movw %ax, %ds	51	movw %ax, %ds
52		52
53	lgdt real_bootstrap_gdtr # initialize Global Descriptor Table register	53	lgdt real_bootstrap_gdtr_boot # initialize Global Descriptor Table register
54		54
55	movl %cr0, %eax	55	movl %cr0, %eax
56	orl $1, %eax	56	orl $1, %eax
57	movl %eax, %cr0 # switch to protected mode	57	movl %eax, %cr0 # switch to protected mode
58	jmpl $KTEXT, $jump_to_kernel	58	jmpl $KTEXT, $jump_to_kernel