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Rev | Author | Line No. | Line |
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1805 | decky | 1 | # |
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 | |||
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 | |||
34 | .section __xen_guest |
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1824 | decky | 35 | .ascii "GUEST_OS=HelenOS," |
36 | .ascii "XEN_VER=xen-3.0," |
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37 | .ascii "HYPERCALL_PAGE=0x0000," |
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38 | .ascii "LOADER=generic," |
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39 | .ascii "FEATURES=writable_page_tables" |
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1805 | decky | 40 | .byte 0 |
41 | |||
1810 | decky | 42 | .text |
1805 | decky | 43 | |
44 | .code32 |
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45 | .align 4 |
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1809 | decky | 46 | .global kernel_image_start |
1805 | decky | 47 | |
1809 | decky | 48 | kernel_image_start: |
1813 | decky | 49 | # copy start_info (esi initialized by Xen) |
50 | |||
51 | movl $start_info, %edi |
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52 | movl $START_INFO_SIZE >> 2, %ecx |
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53 | cld |
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54 | rep movsb |
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1824 | decky | 55 | |
56 | # switch to temporal kernel stack |
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57 | |||
58 | movl $kernel_stack, %esp |
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59 | |||
60 | call arch_pre_main |
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1805 | decky | 61 | call main_bsp # never returns |
62 | |||
63 | cli |
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64 | hlt |
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65 | |||
1824 | decky | 66 | kernel_stack_bottom: |
67 | .space TEMP_STACK_SIZE |
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68 | kernel_stack: |
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69 | |||
1816 | decky | 70 | .section K_TEXT_START, "aw", @progbits |
1813 | decky | 71 | .global hypercall_page |
1816 | decky | 72 | .org 0 |
1813 | decky | 73 | hypercall_page: |
74 | .space PAGE_SIZE |
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1824 | decky | 75 | |
76 | .global shared_info |
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77 | .org 0x1000 |
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78 | shared_info: |
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79 | .space PAGE_SIZE |
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1832 | decky | 80 | |
81 | .global console_page |
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82 | .org 0x2000 |
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83 | console_page: |
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84 | .space PAGE_SIZE |