| 1 | #
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| 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 |
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| 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 |
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| 35 | .text
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| 36 |
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| 37 | #include <arch/trap_table.h>
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| 38 |
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| 39 | #define TABLE_SIZE TRAP_TABLE_SIZE
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| 40 | #define ENTRY_SIZE TRAP_TABLE_ENTRY_SIZE
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| 41 |
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| 42 |
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| 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 |
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| 51 |
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| 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 |
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| 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 |
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| 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 |
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| 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 |
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| 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 |
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| 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 |
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| 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 |
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| 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 |
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| 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
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