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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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#
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#include <arch/boot/boot.h>
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.section K_TEXT_START
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.section K_TEXT_START
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.global kernel_image_start
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.global kernel_image_start
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.code16
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.code16
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#
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#
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	movl %cr0,%eax
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	movl %cr0,%eax
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	orl $0x1,%eax
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	orl $0x1,%eax
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	movl %eax,%cr0			# switch to protected mode
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	movl %eax,%cr0			# switch to protected mode
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	jmpl $8,$meeting_point
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	jmpl $8,$meeting_point
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meeting_point:
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.code32
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.code32
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.align 4
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multiboot_header:
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	.long MULTIBOOT_HEADER_MAGIC
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	.long MULTIBOOT_HEADER_FLAGS
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	.long -(MULTIBOOT_HEADER_MAGIC + MULTIBOOT_HEADER_FLAGS)	# checksum
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	.long multiboot_header
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	.long unmapped_ktext_start
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	.long 0
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	.long 0
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	.long multiboot_image_start
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multiboot_image_start:
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	movl $0x7c00, %esp		# initialize stack pointer
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	lgdt gdtr
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	lidt idtr
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meeting_point:
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	movw $16,%ax
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	movw $16,%ax
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	movw %ax,%es
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	movw %ax,%es
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	movw %ax,%gs
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	movw %ax,%gs
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	movw %ax,%fs
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	movw %ax,%fs
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	movw %ax,%ds			# kernel data + stack
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	movw %ax,%ds			# kernel data + stack