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| Rev | Author | Line No. | Line |
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| 2128 | jermar | 1 | # |
| 2465 | jermar | 2 | # Copyright (c) 2007 Michal Kebrt |
| 2128 | jermar | 3 | # All rights reserved. |
| 4 | # |
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| 5 | # Redistribution and use in source and binary forms, with or without |
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| 6 | # modification, are permitted provided that the following conditions |
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| 7 | # are met: |
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| 8 | # |
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| 9 | # - Redistributions of source code must retain the above copyright |
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| 10 | # notice, this list of conditions and the following disclaimer. |
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| 11 | # - Redistributions in binary form must reproduce the above copyright |
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| 12 | # notice, this list of conditions and the following disclaimer in the |
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| 13 | # documentation and/or other materials provided with the distribution. |
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| 14 | # - The name of the author may not be used to endorse or promote products |
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| 15 | # derived from this software without specific prior written permission. |
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| 16 | # |
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| 17 | # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 18 | # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 19 | # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 20 | # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 24 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | # |
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| 28 | |||
| 2465 | jermar | 29 | #include <arch/asm/boot.h> |
| 30 | |||
| 31 | .text |
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| 32 | |||
| 2128 | jermar | 33 | .global kernel_image_start |
| 2465 | jermar | 34 | .global exc_stack |
| 35 | .global supervisor_sp |
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| 36 | |||
| 2128 | jermar | 37 | kernel_image_start: |
| 2465 | jermar | 38 | |
| 39 | # switch to supervisor mode |
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| 40 | mrs r3, cpsr |
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| 41 | bic r3, r3, #0x1f |
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| 42 | orr r3, r3, #0x13 |
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| 43 | msr cpsr_c, r3 |
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| 44 | |||
| 45 | ldr sp, =temp_stack |
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| 2128 | jermar | 46 | |
| 2465 | jermar | 47 | cmp r2, #0 |
| 48 | beq bootinfo_end |
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| 49 | |||
| 50 | ldr r3, =bootinfo |
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| 51 | |||
| 52 | bootinfo_loop: |
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| 53 | ldr r4, [r1] |
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| 54 | str r4, [r3] |
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| 55 | |||
| 56 | add r1, r1, #4 |
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| 57 | add r3, r3, #4 |
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| 58 | add r2, r2, #-4 |
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| 59 | |||
| 60 | cmp r2, #0 |
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| 61 | bne bootinfo_loop |
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| 2128 | jermar | 62 | |
| 2465 | jermar | 63 | bootinfo_end: |
| 64 | |||
| 65 | bl arch_pre_main |
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| 66 | |||
| 67 | bl main_bsp |
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| 68 | |||
| 69 | .space TEMP_STACK_SIZE |
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| 70 | temp_stack: |
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| 71 | |||
| 72 | .space 1024 |
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| 73 | exc_stack: |
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| 74 | |||
| 75 | supervisor_sp: |
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| 76 | .space 4 |
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| 77 |