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Rev 105 Rev 110
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meeting_point:
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meeting_point:
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.code32
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.code32
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	lidt idtr
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	lidt idtr
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	call map_kernel
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	movl $_hardcoded_ktext_size, hardcoded_ktext_size
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	movl $_hardcoded_kdata_size, hardcoded_kdata_size
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	movl $_hardcoded_load_address, hardcoded_load_address
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	call main_bsp			# never returns
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	cli
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	hlt
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.global map_kernel
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map_kernel:
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	#
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	#
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	# Here we setup mapping for both the unmapped and mapped sections of the kernel.
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	# Here we setup mapping for both the unmapped and mapped sections of the kernel.
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	# For simplicity, we set only one 4M page for 0x00000000 and one for 0x80000000.
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	# For simplicity, we set only one 4M page for 0x00000000 and one for 0x80000000.
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	#
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	#
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	movl %cr4, %ecx
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	movl %cr4, %ecx
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	# turn on paging
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	# turn on paging
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	movl %cr0, %ebx
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	movl %cr0, %ebx
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	orl $(1<<31), %ebx
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	orl $(1<<31), %ebx
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	movl %ebx, %cr0
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	movl %ebx, %cr0
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	ret
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	movl $_hardcoded_ktext_size, hardcoded_ktext_size
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	movl $_hardcoded_kdata_size, hardcoded_kdata_size
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	movl $_hardcoded_load_address, hardcoded_load_address
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	call main_bsp			# never returns
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	cli
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	hlt
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.section K_DATA_START
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.section K_DATA_START
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.align 4096
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.align 4096
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page_directory:
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page_directory: