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#include <arch/mm/page.h>
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#include <arch/mm/page.h>
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#include <arch/mm/ptl.h>
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#include <arch/mm/ptl.h>
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#include <arch/pm.h>
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#include <arch/pm.h>
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#define START_STACK     0x7c00
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#define START_STACK     0x7c00
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#define START_STACK_64  $0xffffffff80007c00
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#define START_STACK_64  0xffffffff80007c00
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#
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#
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# This is where we require any SPARTAN-kernel-compatible boot loader
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# This is where we require any SPARTAN-kernel-compatible boot loader
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# to pass control in real mode.
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# to pass control in real mode.
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#
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#
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kernel_image_start:
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kernel_image_start:
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	cli
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	cli
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	xorw %ax,%ax
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	xorw %ax,%ax
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	movw %ax,%ds
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	movw %ax,%ds
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	movw %ax,%ss            # initialize stack segment register
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	movw %ax,%ss            # initialize stack segment register
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	movl START_STACK,%esp	# initialize stack pointer
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	movl $(START_STACK),%esp	# initialize stack pointer
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#	call memmap_arch_init
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	call memmap_arch_init
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	movl $0x80000000, %eax
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	movl $0x80000000, %eax
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	cpuid
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	cpuid
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	cmp $0x80000000, %eax 	# any function > 80000000h?
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	cmp $0x80000000, %eax 	# any function > 80000000h?
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	jbe no_long_mode
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	jbe no_long_mode
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	# At this point we are in compatibility mode
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	# At this point we are in compatibility mode
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	jmpl $gdtselector(KTEXT_DES), $start64
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	jmpl $gdtselector(KTEXT_DES), $start64
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.code64
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.code64
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start64:
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start64:
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	movq START_STACK_64, %rsp
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	movq $(START_STACK_64), %rsp
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	call main_bsp   # never returns
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	call main_bsp   # never returns
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1:
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1:
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	jmp 1b
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	jmp 1b
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