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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 630 | 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 register window trap handlers. |
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| 31 | */ |
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| 32 | |||
| 33 | #ifndef __sparc64_REGWIN_H__ |
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| 34 | #define __sparc64_REGWIN_H__ |
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| 35 | |||
| 36 | #include <arch/stack.h> |
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| 37 | |||
| 38 | #define TT_CLEAN_WINDOW 0x24 |
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| 39 | #define TT_SPILL_0_NORMAL 0x80 |
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| 40 | #define TT_FILL_0_NORMAL 0xc0 |
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| 41 | |||
| 42 | #define REGWIN_HANDLER_SIZE 128 |
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| 43 | |||
| 44 | #define CLEAN_WINDOW_HANDLER_SIZE REGWIN_HANDLER_SIZE |
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| 45 | #define SPILL_HANDLER_SIZE REGWIN_HANDLER_SIZE |
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| 46 | #define FILL_HANDLER_SIZE REGWIN_HANDLER_SIZE |
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| 47 | |||
| 48 | /** Window Save Area offsets. */ |
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| 49 | #define L0_OFFSET 0 |
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| 50 | #define L1_OFFSET 8 |
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| 51 | #define L2_OFFSET 16 |
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| 52 | #define L3_OFFSET 24 |
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| 53 | #define L4_OFFSET 32 |
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| 54 | #define L5_OFFSET 40 |
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| 55 | #define L6_OFFSET 48 |
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| 56 | #define L7_OFFSET 56 |
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| 57 | #define I0_OFFSET 64 |
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| 58 | #define I1_OFFSET 72 |
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| 59 | #define I2_OFFSET 80 |
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| 60 | #define I3_OFFSET 88 |
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| 61 | #define I4_OFFSET 96 |
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| 62 | #define I5_OFFSET 104 |
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| 63 | #define I6_OFFSET 112 |
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| 64 | #define I7_OFFSET 120 |
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| 65 | |||
| 66 | .macro SPILL_NORMAL_HANDLER |
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| 67 | stx %l0, [%sp + STACK_BIAS + L0_OFFSET] |
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| 68 | stx %l1, [%sp + STACK_BIAS + L1_OFFSET] |
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| 69 | stx %l2, [%sp + STACK_BIAS + L2_OFFSET] |
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| 70 | stx %l3, [%sp + STACK_BIAS + L3_OFFSET] |
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| 71 | stx %l4, [%sp + STACK_BIAS + L4_OFFSET] |
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| 72 | stx %l5, [%sp + STACK_BIAS + L5_OFFSET] |
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| 73 | stx %l6, [%sp + STACK_BIAS + L6_OFFSET] |
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| 74 | stx %l7, [%sp + STACK_BIAS + L7_OFFSET] |
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| 75 | stx %i0, [%sp + STACK_BIAS + I0_OFFSET] |
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| 76 | stx %i1, [%sp + STACK_BIAS + I1_OFFSET] |
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| 77 | stx %i2, [%sp + STACK_BIAS + I2_OFFSET] |
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| 78 | stx %i3, [%sp + STACK_BIAS + I3_OFFSET] |
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| 79 | stx %i4, [%sp + STACK_BIAS + I4_OFFSET] |
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| 80 | stx %i5, [%sp + STACK_BIAS + I5_OFFSET] |
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| 81 | stx %i6, [%sp + STACK_BIAS + I6_OFFSET] |
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| 82 | stx %i7, [%sp + STACK_BIAS + I7_OFFSET] |
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| 83 | saved |
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| 84 | retry |
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| 85 | .endm |
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| 86 | |||
| 87 | .macro FILL_NORMAL_HANDLER |
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| 88 | ldx [%sp + STACK_BIAS + L0_OFFSET], %l0 |
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| 89 | ldx [%sp + STACK_BIAS + L1_OFFSET], %l1 |
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| 90 | ldx [%sp + STACK_BIAS + L2_OFFSET], %l2 |
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| 91 | ldx [%sp + STACK_BIAS + L3_OFFSET], %l3 |
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| 92 | ldx [%sp + STACK_BIAS + L4_OFFSET], %l4 |
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| 93 | ldx [%sp + STACK_BIAS + L5_OFFSET], %l5 |
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| 94 | ldx [%sp + STACK_BIAS + L6_OFFSET], %l6 |
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| 95 | ldx [%sp + STACK_BIAS + L7_OFFSET], %l7 |
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| 96 | ldx [%sp + STACK_BIAS + I0_OFFSET], %i0 |
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| 97 | ldx [%sp + STACK_BIAS + I1_OFFSET], %i1 |
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| 98 | ldx [%sp + STACK_BIAS + I2_OFFSET], %i2 |
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| 99 | ldx [%sp + STACK_BIAS + I3_OFFSET], %i3 |
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| 100 | ldx [%sp + STACK_BIAS + I4_OFFSET], %i4 |
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| 101 | ldx [%sp + STACK_BIAS + I5_OFFSET], %i5 |
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| 102 | ldx [%sp + STACK_BIAS + I6_OFFSET], %i6 |
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| 103 | ldx [%sp + STACK_BIAS + I7_OFFSET], %i7 |
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| 104 | restored |
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| 105 | retry |
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| 106 | .endm |
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| 107 | |||
| 108 | .macro CLEAN_WINDOW_HANDLER |
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| 109 | rdpr %cleanwin, %l0 |
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| 110 | add %l0, 1, %l0 |
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| 111 | wrpr %l0, 0, %cleanwin |
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| 112 | mov %r0, %l0 |
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| 113 | mov %r0, %l1 |
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| 114 | mov %r0, %l2 |
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| 115 | mov %r0, %l3 |
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| 116 | mov %r0, %l4 |
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| 117 | mov %r0, %l5 |
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| 118 | mov %r0, %l6 |
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| 119 | mov %r0, %l7 |
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| 120 | mov %r0, %i0 |
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| 121 | mov %r0, %i1 |
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| 122 | mov %r0, %i2 |
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| 123 | mov %r0, %i3 |
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| 124 | mov %r0, %i4 |
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| 125 | mov %r0, %i5 |
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| 126 | retry |
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| 127 | .endm |
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| 128 | |||
| 129 | #endif |