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| 1 | # |
1 | # |
| 2 | # Copyright (c) 2007 Michal Kebrt |
2 | # Copyright (c) 2007 Michal Kebrt |
| 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 | #include <arch/asm/boot.h> |
29 | #include <arch/asm/boot.h> |
| 30 | 30 | ||
| 31 | .text |
31 | .text |
| 32 | 32 | ||
| 33 | .global kernel_image_start |
33 | .global kernel_image_start |
| 34 | .global irq_stack |
34 | .global irq_stack |
| - | 35 | .global abort_stack |
|
| 35 | 36 | ||
| 36 | kernel_image_start: |
37 | kernel_image_start: |
| 37 | 38 | ||
| 38 | ldr sp, =end_stack |
39 | ldr sp, =end_stack |
| 39 | cmp r2, #0 |
40 | cmp r2, #0 |
| 40 | beq bootinfo_end |
41 | beq bootinfo_end |
| 41 | 42 | ||
| 42 | ldr r3, =bootinfo |
43 | ldr r3, =bootinfo |
| 43 | 44 | ||
| 44 | bootinfo_loop: |
45 | bootinfo_loop: |
| 45 | ldr r4, [r1] |
46 | ldr r4, [r1] |
| 46 | str r4, [r3] |
47 | str r4, [r3] |
| 47 | 48 | ||
| 48 | add r1, r1, #4 |
49 | add r1, r1, #4 |
| 49 | add r3, r3, #4 |
50 | add r3, r3, #4 |
| 50 | add r2, r2, #-4 |
51 | add r2, r2, #-4 |
| 51 | 52 | ||
| 52 | cmp r2, #0 |
53 | cmp r2, #0 |
| 53 | bne bootinfo_loop |
54 | bne bootinfo_loop |
| 54 | 55 | ||
| 55 | bootinfo_end: |
56 | bootinfo_end: |
| 56 | 57 | ||
| 57 | bl arch_pre_main |
58 | bl arch_pre_main |
| 58 | 59 | ||
| 59 | bl main_bsp |
60 | bl main_bsp |
| 60 | 61 | ||
| 61 | b halt |
62 | b halt |
| 62 | 63 | ||
| 63 | 64 | ||
| 64 | .space TEMP_STACK_SIZE |
65 | .space TEMP_STACK_SIZE |
| 65 | end_stack: |
66 | end_stack: |
| 66 | .space 1024 |
67 | .space 1024 |
| 67 | irq_stack: |
68 | irq_stack: |
| - | 69 | .space 1024 |
|
| - | 70 | abort_stack: |
|
| 68 | 71 | ||
| 69 | halt: |
72 | halt: |
| 70 | ldr r0,=0x10000010 |
73 | ldr r0,=0x10000010 |
| 71 | ldr r1, [r0] |
74 | ldr r1, [r0] |
| 72 | b halt |
75 | b halt |
| 73 | 76 | ||
| 74 | 77 | ||