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| Rev | Author | Line No. | Line |
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| 1160 | decky | 1 | # |
| 2 | # Copyright (C) 2005 Jakub Jermar |
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| 3 | # All rights reserved. |
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| 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 | |||
| 29 | #include <arch/asm/regname.h> |
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| 30 | #include <arch/boot/boot.h> |
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| 31 | |||
| 32 | .section K_TEXT_START, "ax" |
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| 33 | |||
| 34 | .global kernel_image_start |
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| 35 | kernel_image_start: |
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| 36 | |||
| 37 | # load temporary stack |
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| 38 | |||
| 39 | lis sp, end_stack@ha |
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| 40 | addi sp, sp, end_stack@l |
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| 41 | |||
| 42 | # r3 contains physical address of bootinfo_t |
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| 43 | # r4 contains size of bootinfo_t |
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| 44 | |||
| 45 | lis r31, 0x80000000@ha |
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| 46 | addi r31, r31, 0x80000000@l |
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| 47 | |||
| 48 | add r3, r3, r31 |
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| 49 | |||
| 50 | lis r31, bootinfo@ha |
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| 51 | addi r31, r31, bootinfo@l # r31 = bootinfo |
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| 52 | |||
| 53 | cmpwi r4, 0 |
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| 54 | beq bootinfo_end |
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| 55 | |||
| 56 | bootinfo_loop: |
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| 57 | |||
| 58 | lwz r30, 0(r3) |
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| 59 | stw r30, 0(r31) |
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| 60 | |||
| 61 | addi r3, r3, 4 |
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| 62 | addi r31, r31, 4 |
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| 63 | subi r4, r4, 4 |
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| 64 | |||
| 65 | cmpwi r4, 0 |
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| 66 | bgt bootinfo_loop |
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| 67 | |||
| 68 | bootinfo_end: |
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| 69 | |||
| 70 | b main_bsp |
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| 71 | |||
| 72 | .section K_DATA_START, "aw", @progbits |
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| 73 | |||
| 74 | .space TEMP_STACK_SIZE |
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| 75 | end_stack: |