| 1 | #
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| 2 | # Copyright (C) 2001-2004 Jakub Jermar
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| 3 | # Copyright (C) 2005-2006 Martin Decky
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| 4 | # All rights reserved.
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| 5 | #
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| 6 | # Redistribution and use in source and binary forms, with or without
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| 7 | # modification, are permitted provided that the following conditions
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| 8 | # are met:
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| 9 | #
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| 10 | # - Redistributions of source code must retain the above copyright
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| 11 | # notice, this list of conditions and the following disclaimer.
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| 12 | # - Redistributions in binary form must reproduce the above copyright
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| 13 | # notice, this list of conditions and the following disclaimer in the
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| 14 | # documentation and/or other materials provided with the distribution.
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| 15 | # - The name of the author may not be used to endorse or promote products
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| 16 | # derived from this software without specific prior written permission.
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| 17 | #
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| 18 | # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 19 | # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 20 | # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 21 | # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 22 | # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 23 | # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 24 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 25 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 26 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 27 | # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 28 | #
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| 29 |
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| 30 | #include <arch/boot/boot.h>
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| 31 | #include <arch/mm/page.h>
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| 32 | #include <arch/pm.h>
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| 33 |
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| 34 | .section __xen_guest
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| 35 | .ascii "GUEST_OS=HelenOS,"
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| 36 | .ascii "XEN_VER=xen-3.0,"
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| 37 | .ascii "HYPERCALL_PAGE=0x2,"
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| 38 | .ascii "LOADER=generic,"
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| 39 | .ascii "PT_MODE_WRITABLE"
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| 40 | .byte 0
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| 41 |
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| 42 | .text
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| 43 |
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| 44 | .code32
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| 45 | .align 4
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| 46 | .global kernel_image_start
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| 47 |
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| 48 | kernel_image_start:
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| 49 | cld
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| 50 | movl $kernel_stack, %esp # initialize stack pointer
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| 51 |
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| 52 | call main_bsp # never returns
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| 53 |
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| 54 | cli
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| 55 | hlt
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| 56 |
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| 57 | .data
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| 58 |
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| 59 | .align 4096
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| 60 | page_directory:
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| 61 | .space 4096, 0
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| 62 |
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| 63 | kernel_stack_bottom:
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| 64 | .space TEMP_STACK_SIZE
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| 65 | kernel_stack:
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