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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 | .byte 0 |
40 | .byte 0 |
40 | 41 | ||
41 | .text |
42 | .text |
42 | 43 | ||
43 | .code32 |
44 | .code32 |
44 | .align 4 |
45 | .align 4 |
45 | .global kernel_image_start |
46 | .global kernel_image_start |
46 | 47 | ||
47 | kernel_image_start: |
48 | kernel_image_start: |
48 | # copy start_info (esi initialized by Xen) |
49 | # copy start_info (esi initialized by Xen) |
49 | 50 | ||
50 | movl $start_info, %edi |
51 | movl $start_info, %edi |
51 | movl $START_INFO_SIZE >> 2, %ecx |
52 | movl $START_INFO_SIZE >> 2, %ecx |
52 | cld |
53 | cld |
53 | rep movsb |
54 | rep movsb |
- | 55 | ||
- | 56 | # switch to temporal kernel stack |
|
- | 57 | ||
- | 58 | movl $kernel_stack, %esp |
|
54 | 59 | ||
- | 60 | call arch_pre_main |
|
55 | call main_bsp # never returns |
61 | call main_bsp # never returns |
56 | 62 | ||
57 | cli |
63 | cli |
58 | hlt |
64 | hlt |
59 | 65 | ||
- | 66 | kernel_stack_bottom: |
|
- | 67 | .space TEMP_STACK_SIZE |
|
- | 68 | kernel_stack: |
|
- | 69 | ||
60 | .section K_TEXT_START, "aw", @progbits |
70 | .section K_TEXT_START, "aw", @progbits |
61 | .global hypercall_page |
71 | .global hypercall_page |
62 | .org 0 |
72 | .org 0 |
63 | hypercall_page: |
73 | hypercall_page: |
64 | .space PAGE_SIZE |
74 | .space PAGE_SIZE |
- | 75 | ||
- | 76 | .global shared_info |
|
- | 77 | .org 0x1000 |
|
- | 78 | shared_info: |
|
- | 79 | .space PAGE_SIZE |
|
65 | 80 |