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(root)/kernel/trunk/arch/ia32/src/smp/ap.S @ 1780 – Rev 1242 → 1246



.code16
	cli
	xorw %ax, %ax
	movw %ax, %ds
 
	lgdtl ap_gdtr		# initialize Global Descriptor Table register
	
	movl %cr0, %eax
	orl $1, %eax
	movl %eax, %cr0				# switch to protected mode
	jmpl $KTEXT, $jump_to_kernel - BOOT_OFFSET + AP_BOOT_OFFSET

Rev 1242	Rev 1246
Line 54...	Line 54...
54	.code16	54	.code16
55	cli	55	cli
56	xorw %ax, %ax	56	xorw %ax, %ax
57	movw %ax, %ds	57	movw %ax, %ds
58		58
59	lgdt ap_gdtr # initialize Global Descriptor Table register	59	lgdtl ap_gdtr # initialize Global Descriptor Table register
60		60
61	movl %cr0, %eax	61	movl %cr0, %eax
62	orl $1, %eax	62	orl $1, %eax
63	movl %eax, %cr0 # switch to protected mode	63	movl %eax, %cr0 # switch to protected mode
64	jmpl $KTEXT, $jump_to_kernel - BOOT_OFFSET + AP_BOOT_OFFSET	64	jmpl $KTEXT, $jump_to_kernel - BOOT_OFFSET + AP_BOOT_OFFSET