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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 529 | jermar | 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 | /** |
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| 30 | * This file contains two trap tables. First, trap_table, is the one |
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| 31 | * to wich kernel copies OFW's own trap table and patches it with |
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| 32 | * kernel-provided handlers from the second trap table, trap_table_kernel. |
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| 33 | */ |
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| 34 | |||
| 35 | .text |
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| 36 | |||
| 37 | #include <arch/trap_table.h> |
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| 38 | |||
| 39 | #define TABLE_SIZE TRAP_TABLE_SIZE |
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| 40 | #define ENTRY_SIZE TRAP_TABLE_ENTRY_SIZE |
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| 41 | |||
| 42 | |||
| 43 | /* |
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| 44 | * Trap table for copy of OFW's own trap table. |
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| 45 | */ |
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| 46 | .align TABLE_SIZE |
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| 47 | .global trap_table |
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| 48 | trap_table: |
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| 49 | .space TABLE_SIZE, 0 |
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| 50 | |||
| 51 | |||
| 52 | /* |
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| 53 | * Kernel-provided trap handlers. |
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| 54 | */ |
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| 55 | .global trap_table_kernel |
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| 56 | trap_table_kernel: |
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| 57 | |||
| 58 | /* |
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| 59 | * Hardware interrupts for TL=0. |
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| 60 | */ |
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| 61 | .org trap_table_kernel + 0*ENTRY_SIZE |
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| 62 | tl_0_hardware_traps: |
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| 63 | |||
| 64 | /* |
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| 65 | * Register window spill/fill/clean traps for TL=0. |
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| 66 | */ |
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| 67 | .org trap_table_kernel + 128*ENTRY_SIZE |
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| 68 | tl_0_regwin_traps: |
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| 69 | |||
| 70 | /* |
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| 71 | * Software traps for TL=0. |
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| 72 | */ |
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| 73 | .org trap_table_kernel + 256*ENTRY_SIZE |
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| 74 | tl_0_software_traps: |
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| 75 | |||
| 76 | /* Reserved area. */ |
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| 77 | .org trap_table_kernel + 384*ENTRY_SIZE |
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| 78 | .space 128*ENTRY_SIZE, 0 |
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| 79 | |||
| 80 | /* |
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| 81 | * Hardware interrupts for TL>0. |
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| 82 | */ |
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| 83 | .org trap_table_kernel + 512*ENTRY_SIZE |
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| 84 | tl_non_0_hardware_traps: |
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| 85 | |||
| 86 | /* |
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| 87 | * Register window spill/fill/clean traps for TL>0. |
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| 88 | */ |
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| 89 | .org trap_table_kernel + 640*ENTRY_SIZE |
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| 90 | tl_non_0_regwin_traps: |
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| 91 | |||
| 92 | /* |
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| 93 | * Software traps for TL>0. |
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| 94 | */ |
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| 95 | .org trap_table_kernel + 768*ENTRY_SIZE |
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| 96 | tl_non_0_software_traps: |
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| 97 | |||
| 98 | /* Reserved area. */ |
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| 99 | .org trap_table_kernel + 896*ENTRY_SIZE |
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| 100 | .space 128*ENTRY_SIZE, 0 |