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| Rev | Author | Line No. | Line |
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| 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 | #ifndef __sparc64_TRAP_TABLE_H__ |
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| 30 | #define __sparc64_TRAP_TABLE_H__ |
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| 31 | |||
| 32 | #ifndef __ASM__ |
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| 33 | #include <arch/types.h> |
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| 34 | #endif /* __ASM__ */ |
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| 35 | |||
| 666 | jermar | 36 | #include <arch/stack.h> |
| 37 | |||
| 529 | jermar | 38 | #define TRAP_TABLE_ENTRY_COUNT 1024 |
| 39 | #define TRAP_TABLE_ENTRY_SIZE 32 |
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| 40 | #define TRAP_TABLE_SIZE (TRAP_TABLE_ENTRY_COUNT*TRAP_TABLE_ENTRY_SIZE) |
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| 41 | |||
| 42 | #ifndef __ASM__ |
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| 43 | struct trap_table_entry { |
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| 44 | __u8 octets[TRAP_TABLE_ENTRY_SIZE]; |
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| 45 | } __attribute__ ((packed)); |
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| 46 | |||
| 47 | typedef struct trap_table_entry trap_table_entry_t; |
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| 48 | |||
| 49 | extern trap_table_entry_t trap_table[TRAP_TABLE_ENTRY_COUNT]; |
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| 634 | jermar | 50 | extern trap_table_entry_t trap_table_save[TRAP_TABLE_ENTRY_COUNT]; |
| 632 | jermar | 51 | #endif /* !__ASM__ */ |
| 529 | jermar | 52 | |
| 666 | jermar | 53 | #ifdef __ASM__ |
| 54 | .macro SAVE_GLOBALS |
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| 55 | mov %g1, %l1 |
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| 56 | mov %g2, %l2 |
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| 57 | mov %g3, %l3 |
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| 58 | mov %g4, %l4 |
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| 59 | mov %g5, %l5 |
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| 60 | mov %g6, %l6 |
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| 61 | mov %g7, %l7 |
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| 62 | .endm |
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| 63 | |||
| 64 | .macro RESTORE_GLOBALS |
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| 65 | mov %l1, %g1 |
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| 66 | mov %l2, %g2 |
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| 67 | mov %l3, %g3 |
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| 68 | mov %l4, %g4 |
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| 69 | mov %l5, %g5 |
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| 70 | mov %l6, %g6 |
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| 71 | mov %l7, %g7 |
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| 72 | .endm |
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| 73 | |||
| 667 | jermar | 74 | #define PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE (STACK_WINDOW_SAVE_AREA_SIZE+(4*8)) |
| 75 | #define SAVED_TSTATE -(1*8) |
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| 76 | #define SAVED_TPC -(2*8) |
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| 77 | #define SAVED_TNPC -(3*8) |
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| 78 | #define SAVED_PSTATE -(4*8) |
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| 79 | |||
| 80 | .macro PREEMPTIBLE_HANDLER f |
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| 666 | jermar | 81 | set \f, %l0 |
| 667 | jermar | 82 | b preemptible_handler |
| 666 | jermar | 83 | nop |
| 84 | .endm |
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| 667 | jermar | 85 | |
| 86 | .macro SIMPLE_HANDLER f |
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| 87 | call \f |
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| 88 | nop |
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| 89 | .endm |
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| 666 | jermar | 90 | #endif /* __ASM__ */ |
| 91 | |||
| 529 | jermar | 92 | #endif |