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| Rev | Author | Line No. | Line |
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| 664 | 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 | |||
| 1703 | jermar | 29 | /** @addtogroup sparc64interrupt |
| 1702 | cejka | 30 | * @{ |
| 31 | */ |
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| 1703 | jermar | 32 | /** |
| 33 | * @file |
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| 34 | * @brief This file contains interrupt vector trap handler. |
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| 1702 | cejka | 35 | */ |
| 36 | |||
| 667 | jermar | 37 | #ifndef __sparc64_TRAP_INTERRUPT_H__ |
| 38 | #define __sparc64_TRAP_INTERRUPT_H__ |
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| 664 | jermar | 39 | |
| 40 | #include <arch/trap/trap_table.h> |
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| 666 | jermar | 41 | #include <arch/stack.h> |
| 664 | jermar | 42 | |
| 1849 | jermar | 43 | /* Interrupt ASI registers. */ |
| 44 | #define ASI_UDB_INTR_W 0x77 |
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| 45 | #define ASI_INTR_DISPATCH_STATUS 0x48 |
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| 46 | #define ASI_UDB_INTR_R 0x7f |
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| 47 | #define ASI_INTR_RECEIVE 0x49 |
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| 48 | |||
| 49 | /* VA's used with ASI_UDB_INTR_W register. */ |
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| 50 | #define ASI_UDB_INTR_W_DATA_0 0x40 |
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| 51 | #define ASI_UDB_INTR_W_DATA_1 0x50 |
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| 52 | #define ASI_UDB_INTR_W_DATA_2 0x60 |
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| 53 | |||
| 54 | /* VA's used with ASI_UDB_INTR_R register. */ |
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| 55 | #define ASI_UDB_INTR_R_DATA_0 0x40 |
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| 56 | #define ASI_UDB_INTR_R_DATA_1 0x50 |
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| 57 | #define ASI_UDB_INTR_R_DATA_2 0x60 |
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| 58 | |||
| 664 | jermar | 59 | #define TT_INTERRUPT_LEVEL_1 0x41 |
| 60 | #define TT_INTERRUPT_LEVEL_2 0x42 |
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| 61 | #define TT_INTERRUPT_LEVEL_3 0x43 |
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| 62 | #define TT_INTERRUPT_LEVEL_4 0x44 |
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| 63 | #define TT_INTERRUPT_LEVEL_5 0x45 |
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| 64 | #define TT_INTERRUPT_LEVEL_6 0x46 |
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| 65 | #define TT_INTERRUPT_LEVEL_7 0x47 |
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| 66 | #define TT_INTERRUPT_LEVEL_8 0x48 |
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| 67 | #define TT_INTERRUPT_LEVEL_9 0x49 |
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| 68 | #define TT_INTERRUPT_LEVEL_10 0x4a |
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| 69 | #define TT_INTERRUPT_LEVEL_11 0x4b |
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| 70 | #define TT_INTERRUPT_LEVEL_12 0x4c |
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| 71 | #define TT_INTERRUPT_LEVEL_13 0x4d |
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| 72 | #define TT_INTERRUPT_LEVEL_14 0x4e |
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| 73 | #define TT_INTERRUPT_LEVEL_15 0x4f |
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| 74 | |||
| 75 | #define TT_INTERRUPT_VECTOR_TRAP 0x60 |
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| 76 | |||
| 77 | #define INTERRUPT_LEVEL_N_HANDLER_SIZE TRAP_TABLE_ENTRY_SIZE |
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| 78 | #define INTERRUPT_VECTOR_TRAP_HANDLER_SIZE TRAP_TABLE_ENTRY_SIZE |
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| 79 | |||
| 80 | #ifdef __ASM__ |
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| 81 | .macro INTERRUPT_LEVEL_N_HANDLER n |
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| 667 | jermar | 82 | save %sp, -PREEMPTIBLE_HANDLER_STACK_FRAME_SIZE, %sp |
| 664 | jermar | 83 | mov \n - 1, %o0 |
| 84 | mov %fp, %o1 |
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| 667 | jermar | 85 | PREEMPTIBLE_HANDLER exc_dispatch |
| 664 | jermar | 86 | .endm |
| 87 | |||
| 88 | .macro INTERRUPT_VECTOR_TRAP_HANDLER |
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| 1849 | jermar | 89 | save %sp, -STACK_WINDOW_SAVE_AREA_SIZE, %sp |
| 90 | SIMPLE_HANDLER interrupt |
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| 91 | restore |
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| 664 | jermar | 92 | retry |
| 93 | .endm |
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| 94 | #endif /* __ASM__ */ |
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| 95 | |||
| 1849 | jermar | 96 | #ifndef __ASM__ |
| 97 | extern void interrupt(void); |
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| 98 | #endif /* !def __ASM__ */ |
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| 99 | |||
| 664 | jermar | 100 | #endif |
| 1702 | cejka | 101 | |
| 1703 | jermar | 102 | /** @} |
| 1702 | cejka | 103 | */ |