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#
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#
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# Copyright (C) 2001-2004 Jakub Jermar
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# Copyright (C) 2001-2004 Jakub Jermar
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# Copyright (C) 2005-2006 Martin Decky
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# Copyright (C) 2005-2006 Martin Decky
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# All rights reserved.
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# All rights reserved.
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#
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#
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# Redistribution and use in source and binary forms, with or without
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# modification, are permitted provided that the following conditions
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# are met:
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# are met:
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#
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#
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# - Redistributions of source code must retain the above copyright
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# - Redistributions of source code must retain the above copyright
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#   notice, this list of conditions and the following disclaimer.
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#   notice, this list of conditions and the following disclaimer.
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# - Redistributions in binary form must reproduce the above copyright
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# - Redistributions in binary form must reproduce the above copyright
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#   notice, this list of conditions and the following disclaimer in the
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#   notice, this list of conditions and the following disclaimer in the
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#   documentation and/or other materials provided with the distribution.
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#   documentation and/or other materials provided with the distribution.
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# - The name of the author may not be used to endorse or promote products
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# - The name of the author may not be used to endorse or promote products
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#   derived from this software without specific prior written permission.
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#   derived from this software without specific prior written permission.
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#
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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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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#include <arch/boot/boot.h>
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#include <arch/mm/page.h>
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#include <arch/mm/page.h>
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#include <arch/pm.h>
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#include <arch/pm.h>
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.section __xen_guest
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.section __xen_guest
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	.ascii  "GUEST_OS=HelenOS,"
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	.ascii "GUEST_OS=HelenOS,"
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	.ascii  "XEN_VER=xen-3.0,"
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	.ascii "XEN_VER=xen-3.0,"
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	.ascii  "HYPERCALL_PAGE=0x0000,"
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	.ascii "HYPERCALL_PAGE=0x0000,"
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	.ascii  "LOADER=generic"
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	.ascii "LOADER=generic,"
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	.ascii "FEATURES=writable_page_tables"
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	.byte   0
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	.byte   0
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.text
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.text
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.code32
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.code32
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.align 4
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.align 4
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.global kernel_image_start
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.global kernel_image_start
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kernel_image_start:
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kernel_image_start:
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	# copy start_info (esi initialized by Xen)
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	# copy start_info (esi initialized by Xen)
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	movl $start_info, %edi
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	movl $start_info, %edi
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	movl $START_INFO_SIZE >> 2, %ecx
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	movl $START_INFO_SIZE >> 2, %ecx
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	cld
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	cld
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	rep movsb
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	rep movsb
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	# switch to temporal kernel stack
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	movl $kernel_stack, %esp
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	call arch_pre_main
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	call main_bsp								# never returns
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	call main_bsp								# never returns
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	cli
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	cli
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	hlt
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	hlt
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kernel_stack_bottom:
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	.space TEMP_STACK_SIZE
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kernel_stack:
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.section K_TEXT_START, "aw", @progbits
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.section K_TEXT_START, "aw", @progbits
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.global hypercall_page
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.global hypercall_page
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.org 0
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.org 0
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hypercall_page:
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hypercall_page:
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	.space PAGE_SIZE
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	.space PAGE_SIZE
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.global shared_info
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.org 0x1000
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shared_info:
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	.space PAGE_SIZE
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