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| 1 | # |
1 | # |
| 2 | # Copyright (C) 2005 Jakub Jermar |
2 | # Copyright (C) 2005 Jakub Jermar |
| 3 | # All rights reserved. |
3 | # All rights reserved. |
| 4 | # |
4 | # |
| 5 | # Redistribution and use in source and binary forms, with or without |
5 | # Redistribution and use in source and binary forms, with or without |
| 6 | # modification, are permitted provided that the following conditions |
6 | # modification, are permitted provided that the following conditions |
| 7 | # are met: |
7 | # are met: |
| 8 | # |
8 | # |
| 9 | # - Redistributions of source code must retain the above copyright |
9 | # - Redistributions of source code must retain the above copyright |
| 10 | # notice, this list of conditions and the following disclaimer. |
10 | # notice, this list of conditions and the following disclaimer. |
| 11 | # - Redistributions in binary form must reproduce the above copyright |
11 | # - Redistributions in binary form must reproduce the above copyright |
| 12 | # notice, this list of conditions and the following disclaimer in the |
12 | # notice, this list of conditions and the following disclaimer in the |
| 13 | # documentation and/or other materials provided with the distribution. |
13 | # documentation and/or other materials provided with the distribution. |
| 14 | # - The name of the author may not be used to endorse or promote products |
14 | # - The name of the author may not be used to endorse or promote products |
| 15 | # derived from this software without specific prior written permission. |
15 | # derived from this software without specific prior written permission. |
| 16 | # |
16 | # |
| 17 | # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 18 | # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 19 | # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 20 | # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 21 | # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 22 | # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 26 | # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | # |
27 | # |
| 28 | 28 | ||
| - | 29 | .register %g2, #scratch |
|
| - | 30 | .register %g3, #scratch |
|
| - | 31 | .register %g6, #scratch |
|
| - | 32 | .register %g7, #scratch |
|
| - | 33 | ||
| 29 | .section K_TEXT_START, "ax" |
34 | .section K_TEXT_START, "ax" |
| 30 | 35 | ||
| 31 | .global kernel_image_start |
36 | .global kernel_image_start |
| 32 | kernel_image_start: |
37 | kernel_image_start: |
| 33 | 0: |
38 | 0: |
| 34 | b 1f |
39 | b 1f |
| 35 | nop |
40 | nop |
| 36 | 41 | ||
| 37 | # |
42 | # |
| 38 | # This header forces SILO to load the kernel at 0x4000. |
43 | # This header forces SILO to load the kernel at 0x4000. |
| 39 | # More precisely, SILO will think this is an old version of Linux. |
44 | # More precisely, SILO will think this is an old version of Linux. |
| 40 | # |
45 | # |
| 41 | .ascii "HdrS" |
46 | .ascii "HdrS" |
| 42 | .word 0 |
47 | .word 0 |
| 43 | .half 0 |
48 | .half 0 |
| 44 | 49 | ||
| 45 | .align 8 |
50 | .align 8 |
| 46 | 51 | ||
| 47 | 1: |
52 | 1: |
| 48 | set ofw, %l0 |
53 | set ofw, %l0 |
| 49 | stx %o4, [%l0] |
54 | stx %o4, [%l0] |
| 50 | 55 | ||
| 51 | call ofw_init |
56 | call ofw_init |
| 52 | nop |
57 | nop |
| 53 | 58 | ||
| - | 59 | call main_bsp |
|
| - | 60 | nop |
|
| - | 61 | ||
| - | 62 | /* Not reached. */ |
|
| - | 63 | ||
| 54 | 2: |
64 | 2: |
| 55 | b 2b |
65 | b 2b |
| 56 | nop |
66 | nop |
| 57 | - | ||
| 58 | 67 | ||