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| 1 | # |
1 | # |
| 2 | # Copyright (C) 2001-2004 Jakub Jermar |
2 | # Copyright (C) 2001-2004 Jakub Jermar |
| 3 | # Copyright (C) 2005-2006 Martin Decky |
3 | # Copyright (C) 2005-2006 Martin Decky |
| 4 | # All rights reserved. |
4 | # All rights reserved. |
| 5 | # |
5 | # |
| 6 | # Redistribution and use in source and binary forms, with or without |
6 | # Redistribution and use in source and binary forms, with or without |
| 7 | # modification, are permitted provided that the following conditions |
7 | # modification, are permitted provided that the following conditions |
| 8 | # are met: |
8 | # are met: |
| 9 | # |
9 | # |
| 10 | # - Redistributions of source code must retain the above copyright |
10 | # - Redistributions of source code must retain the above copyright |
| 11 | # notice, this list of conditions and the following disclaimer. |
11 | # notice, this list of conditions and the following disclaimer. |
| 12 | # - Redistributions in binary form must reproduce the above copyright |
12 | # - Redistributions in binary form must reproduce the above copyright |
| 13 | # notice, this list of conditions and the following disclaimer in the |
13 | # notice, this list of conditions and the following disclaimer in the |
| 14 | # documentation and/or other materials provided with the distribution. |
14 | # documentation and/or other materials provided with the distribution. |
| 15 | # - The name of the author may not be used to endorse or promote products |
15 | # - The name of the author may not be used to endorse or promote products |
| 16 | # derived from this software without specific prior written permission. |
16 | # derived from this software without specific prior written permission. |
| 17 | # |
17 | # |
| 18 | # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 19 | # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 20 | # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 21 | # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 22 | # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 23 | # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 24 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 25 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 26 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 27 | # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 28 | # |
28 | # |
| 29 | 29 | ||
| 30 | #include <arch/boot/boot.h> |
30 | #include <arch/boot/boot.h> |
| 31 | #include <arch/mm/page.h> |
31 | #include <arch/mm/page.h> |
| 32 | #include <arch/pm.h> |
32 | #include <arch/pm.h> |
| 33 | 33 | ||
| 34 | .section __xen_guest |
34 | .section __xen_guest |
| 35 | .ascii "GUEST_OS=HelenOS," |
35 | .ascii "GUEST_OS=HelenOS," |
| 36 | .ascii "XEN_VER=xen-3.0," |
36 | .ascii "XEN_VER=xen-3.0," |
| 37 | .ascii "HYPERCALL_PAGE=0x0000," |
37 | .ascii "HYPERCALL_PAGE=0x0000," |
| 38 | .ascii "LOADER=generic," |
38 | .ascii "LOADER=generic," |
| 39 | .ascii "FEATURES=writable_page_tables" |
39 | .ascii "FEATURES=writable_page_tables" |
| 40 | .byte 0 |
40 | .byte 0 |
| 41 | 41 | ||
| 42 | .text |
42 | .text |
| 43 | 43 | ||
| 44 | .code32 |
44 | .code32 |
| 45 | .align 4 |
45 | .align 4 |
| 46 | .global kernel_image_start |
46 | .global kernel_image_start |
| 47 | 47 | ||
| 48 | kernel_image_start: |
48 | kernel_image_start: |
| 49 | # copy start_info (esi initialized by Xen) |
49 | # copy start_info (esi initialized by Xen) |
| 50 | 50 | ||
| 51 | movl $start_info, %edi |
51 | movl $start_info, %edi |
| 52 | movl $START_INFO_SIZE >> 2, %ecx |
52 | movl $START_INFO_SIZE >> 2, %ecx |
| 53 | cld |
53 | cld |
| 54 | rep movsb |
54 | rep movsb |
| 55 | 55 | ||
| 56 | # switch to temporal kernel stack |
56 | # switch to temporal kernel stack |
| 57 | 57 | ||
| 58 | movl $kernel_stack, %esp |
58 | movl $kernel_stack, %esp |
| 59 | 59 | ||
| 60 | call arch_pre_main |
60 | call arch_pre_main |
| 61 | call main_bsp # never returns |
61 | call main_bsp # never returns |
| 62 | 62 | ||
| 63 | cli |
63 | cli |
| 64 | hlt |
64 | hlt |
| 65 | 65 | ||
| 66 | kernel_stack_bottom: |
66 | kernel_stack_bottom: |
| 67 | .space TEMP_STACK_SIZE |
67 | .space TEMP_STACK_SIZE |
| 68 | kernel_stack: |
68 | kernel_stack: |
| 69 | 69 | ||
| 70 | .section K_TEXT_START, "aw", @progbits |
70 | .section K_TEXT_START, "aw", @progbits |
| 71 | .global hypercall_page |
71 | .global hypercall_page |
| 72 | .org 0 |
72 | .org 0 |
| 73 | hypercall_page: |
73 | hypercall_page: |
| 74 | .space PAGE_SIZE |
74 | .space PAGE_SIZE |
| 75 | 75 | ||
| 76 | .global shared_info |
76 | .global shared_info |
| 77 | .org 0x1000 |
77 | .org 0x1000 |
| 78 | shared_info: |
78 | shared_info: |
| 79 | .space PAGE_SIZE |
79 | .space PAGE_SIZE |
| - | 80 | ||
| - | 81 | .global console_page |
|
| - | 82 | .org 0x2000 |
|
| - | 83 | console_page: |
|
| - | 84 | .space PAGE_SIZE |
|
| 80 | 85 | ||