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| Rev | Author | Line No. | Line |
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| 529 | jermar | 1 | /* |
| 2071 | jermar | 2 | * Copyright (c) 2005 Jakub Jermar |
| 529 | 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 | |||
| 1703 | jermar | 29 | /** @addtogroup sparc64interrupt |
| 1702 | cejka | 30 | * @{ |
| 31 | */ |
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| 32 | /** @file |
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| 33 | */ |
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| 34 | |||
| 1860 | jermar | 35 | #ifndef KERN_sparc64_TRAP_TABLE_H_ |
| 36 | #define KERN_sparc64_TRAP_TABLE_H_ |
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| 529 | jermar | 37 | |
| 666 | jermar | 38 | #include <arch/stack.h> |
| 39 | |||
| 529 | jermar | 40 | #define TRAP_TABLE_ENTRY_COUNT 1024 |
| 41 | #define TRAP_TABLE_ENTRY_SIZE 32 |
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| 2068 | jermar | 42 | #define TRAP_TABLE_SIZE (TRAP_TABLE_ENTRY_COUNT * TRAP_TABLE_ENTRY_SIZE) |
| 529 | jermar | 43 | |
| 44 | #ifndef __ASM__ |
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| 1860 | jermar | 45 | |
| 46 | #include <arch/types.h> |
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| 47 | |||
| 529 | jermar | 48 | struct trap_table_entry { |
| 1780 | jermar | 49 | uint8_t octets[TRAP_TABLE_ENTRY_SIZE]; |
| 529 | jermar | 50 | } __attribute__ ((packed)); |
| 51 | |||
| 52 | typedef struct trap_table_entry trap_table_entry_t; |
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| 53 | |||
| 54 | extern trap_table_entry_t trap_table[TRAP_TABLE_ENTRY_COUNT]; |
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| 634 | jermar | 55 | extern trap_table_entry_t trap_table_save[TRAP_TABLE_ENTRY_COUNT]; |
| 632 | jermar | 56 | #endif /* !__ASM__ */ |
| 529 | jermar | 57 | |
| 666 | jermar | 58 | #ifdef __ASM__ |
| 59 | .macro SAVE_GLOBALS |
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| 60 | mov %g1, %l1 |
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| 61 | mov %g2, %l2 |
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| 62 | mov %g3, %l3 |
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| 63 | mov %g4, %l4 |
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| 64 | mov %g5, %l5 |
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| 65 | mov %g6, %l6 |
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| 66 | mov %g7, %l7 |
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| 67 | .endm |
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| 68 | |||
| 69 | .macro RESTORE_GLOBALS |
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| 70 | mov %l1, %g1 |
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| 71 | mov %l2, %g2 |
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| 72 | mov %l3, %g3 |
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| 73 | mov %l4, %g4 |
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| 74 | mov %l5, %g5 |
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| 75 | mov %l6, %g6 |
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| 76 | mov %l7, %g7 |
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| 77 | .endm |
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| 78 | |||
| 1851 | jermar | 79 | /* |
| 2610 | jermar | 80 | * The following needs to be in sync with the definition of the istate |
| 81 | * structure. The one STACK_ITEM_SIZE is counted for space holding the 7th |
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| 82 | * argument to syscall_handler (i.e. syscall number) and the other |
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| 83 | * STACK_ITEM_SIZE is counted because of the required alignment. |
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| 1851 | jermar | 84 | */ |
| 2610 | jermar | 85 | #define PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE \ |
| 86 | (STACK_WINDOW_SAVE_AREA_SIZE + STACK_ARG_SAVE_AREA_SIZE + \ |
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| 87 | (2 * STACK_ITEM_SIZE) + (12 * 8)) |
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| 88 | #define SAVED_TSTATE -(1 * 8) |
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| 89 | #define SAVED_TPC -(2 * 8) |
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| 90 | #define SAVED_TNPC -(3 * 8) /* <-- istate_t begins here */ |
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| 91 | #define SAVED_Y -(4 * 8) |
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| 92 | #define SAVED_I0 -(5 * 8) |
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| 93 | #define SAVED_I1 -(6 * 8) |
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| 94 | #define SAVED_I2 -(7 * 8) |
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| 95 | #define SAVED_I3 -(8 * 8) |
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| 96 | #define SAVED_I4 -(9 * 8) |
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| 97 | #define SAVED_I5 -(10 * 8) |
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| 98 | #define SAVED_I6 -(11 * 8) |
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| 99 | #define SAVED_I7 -(12 * 8) |
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| 667 | jermar | 100 | |
| 101 | .macro PREEMPTIBLE_HANDLER f |
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| 1852 | jermar | 102 | sethi %hi(\f), %g1 |
| 4377 | svoboda | 103 | ba %xcc, preemptible_handler |
| 1852 | jermar | 104 | or %g1, %lo(\f), %g1 |
| 666 | jermar | 105 | .endm |
| 667 | jermar | 106 | |
| 666 | jermar | 107 | #endif /* __ASM__ */ |
| 108 | |||
| 529 | jermar | 109 | #endif |
| 1702 | cejka | 110 | |
| 1703 | jermar | 111 | /** @} |
| 1702 | cejka | 112 | */ |