Rev 2071 | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1160 | decky | 1 | # |
| 2071 | jermar | 2 | # Copyright (c) 2005 Jakub Jermar |
| 1160 | decky | 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 | |||
| 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 | |||
| 1398 | decky | 37 | # load temporal kernel stack |
| 1160 | decky | 38 | |
| 1398 | decky | 39 | lis sp, kernel_stack@ha |
| 40 | addi sp, sp, kernel_stack@l |
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| 1160 | decky | 41 | |
| 1398 | decky | 42 | # set kernel stack for interrupt handling |
| 43 | |||
| 44 | mr r31, sp |
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| 45 | subis r31, r31, 0x8000 |
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| 46 | mtsprg0 r31 |
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| 47 | |||
| 1160 | decky | 48 | # r3 contains physical address of bootinfo_t |
| 49 | # r4 contains size of bootinfo_t |
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| 50 | |||
| 1398 | decky | 51 | addis r3, r3, 0x8000 |
| 1160 | decky | 52 | |
| 53 | lis r31, bootinfo@ha |
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| 54 | addi r31, r31, bootinfo@l # r31 = bootinfo |
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| 55 | |||
| 56 | cmpwi r4, 0 |
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| 57 | beq bootinfo_end |
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| 58 | |||
| 59 | bootinfo_loop: |
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| 60 | |||
| 61 | lwz r30, 0(r3) |
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| 62 | stw r30, 0(r31) |
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| 63 | |||
| 64 | addi r3, r3, 4 |
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| 65 | addi r31, r31, 4 |
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| 66 | subi r4, r4, 4 |
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| 67 | |||
| 68 | cmpwi r4, 0 |
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| 69 | bgt bootinfo_loop |
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| 70 | |||
| 71 | bootinfo_end: |
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| 72 | |||
| 1398 | decky | 73 | bl arch_pre_main |
| 1160 | decky | 74 | b main_bsp |
| 75 | |||
| 76 | .section K_DATA_START, "aw", @progbits |
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| 77 | |||
| 1398 | decky | 78 | .align 12 |
| 79 | kernel_stack_bottom: |
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| 1160 | decky | 80 | .space TEMP_STACK_SIZE |
| 1398 | decky | 81 | kernel_stack: |