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| Rev | Author | Line No. | Line |
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| 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 | |||
| 1703 | jermar | 29 | /** @addtogroup sparc64interrupt |
| 1702 | cejka | 30 | * @{ |
| 31 | */ |
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| 630 | jermar | 32 | /** |
| 1703 | jermar | 33 | * @file |
| 34 | * @brief This file contains register window trap handlers. |
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| 630 | jermar | 35 | */ |
| 36 | |||
| 37 | #ifndef __sparc64_REGWIN_H__ |
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| 38 | #define __sparc64_REGWIN_H__ |
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| 39 | |||
| 40 | #include <arch/stack.h> |
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| 1852 | jermar | 41 | #include <arch/arch.h> |
| 630 | jermar | 42 | |
| 43 | #define TT_CLEAN_WINDOW 0x24 |
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| 44 | #define TT_SPILL_0_NORMAL 0x80 |
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| 45 | #define TT_FILL_0_NORMAL 0xc0 |
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| 46 | |||
| 47 | #define REGWIN_HANDLER_SIZE 128 |
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| 48 | |||
| 49 | #define CLEAN_WINDOW_HANDLER_SIZE REGWIN_HANDLER_SIZE |
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| 50 | #define SPILL_HANDLER_SIZE REGWIN_HANDLER_SIZE |
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| 51 | #define FILL_HANDLER_SIZE REGWIN_HANDLER_SIZE |
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| 52 | |||
| 1852 | jermar | 53 | #define NWINDOW 8 |
| 54 | |||
| 55 | /* Window Save Area offsets. */ |
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| 630 | jermar | 56 | #define L0_OFFSET 0 |
| 57 | #define L1_OFFSET 8 |
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| 58 | #define L2_OFFSET 16 |
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| 59 | #define L3_OFFSET 24 |
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| 60 | #define L4_OFFSET 32 |
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| 61 | #define L5_OFFSET 40 |
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| 62 | #define L6_OFFSET 48 |
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| 63 | #define L7_OFFSET 56 |
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| 64 | #define I0_OFFSET 64 |
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| 65 | #define I1_OFFSET 72 |
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| 66 | #define I2_OFFSET 80 |
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| 67 | #define I3_OFFSET 88 |
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| 68 | #define I4_OFFSET 96 |
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| 69 | #define I5_OFFSET 104 |
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| 70 | #define I6_OFFSET 112 |
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| 71 | #define I7_OFFSET 120 |
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| 72 | |||
| 632 | jermar | 73 | #ifdef __ASM__ |
| 1852 | jermar | 74 | |
| 75 | /* |
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| 76 | * Macro used by the nucleus and the primary context 0 during normal and other spills. |
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| 77 | */ |
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| 78 | .macro SPILL_NORMAL_HANDLER_KERNEL |
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| 630 | jermar | 79 | stx %l0, [%sp + STACK_BIAS + L0_OFFSET] |
| 80 | stx %l1, [%sp + STACK_BIAS + L1_OFFSET] |
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| 81 | stx %l2, [%sp + STACK_BIAS + L2_OFFSET] |
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| 82 | stx %l3, [%sp + STACK_BIAS + L3_OFFSET] |
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| 83 | stx %l4, [%sp + STACK_BIAS + L4_OFFSET] |
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| 84 | stx %l5, [%sp + STACK_BIAS + L5_OFFSET] |
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| 85 | stx %l6, [%sp + STACK_BIAS + L6_OFFSET] |
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| 86 | stx %l7, [%sp + STACK_BIAS + L7_OFFSET] |
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| 87 | stx %i0, [%sp + STACK_BIAS + I0_OFFSET] |
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| 88 | stx %i1, [%sp + STACK_BIAS + I1_OFFSET] |
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| 89 | stx %i2, [%sp + STACK_BIAS + I2_OFFSET] |
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| 90 | stx %i3, [%sp + STACK_BIAS + I3_OFFSET] |
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| 91 | stx %i4, [%sp + STACK_BIAS + I4_OFFSET] |
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| 92 | stx %i5, [%sp + STACK_BIAS + I5_OFFSET] |
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| 93 | stx %i6, [%sp + STACK_BIAS + I6_OFFSET] |
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| 94 | stx %i7, [%sp + STACK_BIAS + I7_OFFSET] |
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| 95 | saved |
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| 96 | retry |
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| 97 | .endm |
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| 98 | |||
| 1852 | jermar | 99 | /* |
| 100 | * Macro used by the userspace during normal spills. |
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| 101 | */ |
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| 102 | .macro SPILL_NORMAL_HANDLER_USERSPACE |
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| 103 | wr ASI_AIUP, %asi |
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| 104 | stxa %l0, [%sp + STACK_BIAS + L0_OFFSET] %asi |
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| 105 | stxa %l1, [%sp + STACK_BIAS + L1_OFFSET] %asi |
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| 106 | stxa %l2, [%sp + STACK_BIAS + L2_OFFSET] %asi |
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| 107 | stxa %l3, [%sp + STACK_BIAS + L3_OFFSET] %asi |
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| 108 | stxa %l4, [%sp + STACK_BIAS + L4_OFFSET] %asi |
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| 109 | stxa %l5, [%sp + STACK_BIAS + L5_OFFSET] %asi |
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| 110 | stxa %l6, [%sp + STACK_BIAS + L6_OFFSET] %asi |
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| 111 | stxa %l7, [%sp + STACK_BIAS + L7_OFFSET] %asi |
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| 112 | stxa %i0, [%sp + STACK_BIAS + I0_OFFSET] %asi |
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| 113 | stxa %i1, [%sp + STACK_BIAS + I1_OFFSET] %asi |
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| 114 | stxa %i2, [%sp + STACK_BIAS + I2_OFFSET] %asi |
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| 115 | stxa %i3, [%sp + STACK_BIAS + I3_OFFSET] %asi |
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| 116 | stxa %i4, [%sp + STACK_BIAS + I4_OFFSET] %asi |
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| 117 | stxa %i5, [%sp + STACK_BIAS + I5_OFFSET] %asi |
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| 118 | stxa %i6, [%sp + STACK_BIAS + I6_OFFSET] %asi |
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| 119 | stxa %i7, [%sp + STACK_BIAS + I7_OFFSET] %asi |
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| 120 | saved |
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| 121 | retry |
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| 122 | .endm |
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| 123 | |||
| 124 | /* |
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| 125 | * Macro used by the userspace during other spills. |
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| 126 | */ |
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| 127 | .macro SPILL_OTHER_HANDLER_USERSPACE |
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| 128 | wr ASI_AIUS, %asi |
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| 129 | stxa %l0, [%sp + STACK_BIAS + L0_OFFSET] %asi |
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| 130 | stxa %l1, [%sp + STACK_BIAS + L1_OFFSET] %asi |
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| 131 | stxa %l2, [%sp + STACK_BIAS + L2_OFFSET] %asi |
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| 132 | stxa %l3, [%sp + STACK_BIAS + L3_OFFSET] %asi |
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| 133 | stxa %l4, [%sp + STACK_BIAS + L4_OFFSET] %asi |
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| 134 | stxa %l5, [%sp + STACK_BIAS + L5_OFFSET] %asi |
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| 135 | stxa %l6, [%sp + STACK_BIAS + L6_OFFSET] %asi |
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| 136 | stxa %l7, [%sp + STACK_BIAS + L7_OFFSET] %asi |
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| 137 | stxa %i0, [%sp + STACK_BIAS + I0_OFFSET] %asi |
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| 138 | stxa %i1, [%sp + STACK_BIAS + I1_OFFSET] %asi |
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| 139 | stxa %i2, [%sp + STACK_BIAS + I2_OFFSET] %asi |
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| 140 | stxa %i3, [%sp + STACK_BIAS + I3_OFFSET] %asi |
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| 141 | stxa %i4, [%sp + STACK_BIAS + I4_OFFSET] %asi |
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| 142 | stxa %i5, [%sp + STACK_BIAS + I5_OFFSET] %asi |
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| 143 | stxa %i6, [%sp + STACK_BIAS + I6_OFFSET] %asi |
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| 144 | stxa %i7, [%sp + STACK_BIAS + I7_OFFSET] %asi |
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| 145 | saved |
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| 146 | retry |
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| 147 | .endm |
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| 148 | |||
| 149 | |||
| 150 | /* |
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| 151 | * Macro used by the nucleus and the primary context 0 during normal fills. |
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| 152 | */ |
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| 153 | .macro FILL_NORMAL_HANDLER_KERNEL |
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| 630 | jermar | 154 | ldx [%sp + STACK_BIAS + L0_OFFSET], %l0 |
| 155 | ldx [%sp + STACK_BIAS + L1_OFFSET], %l1 |
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| 156 | ldx [%sp + STACK_BIAS + L2_OFFSET], %l2 |
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| 157 | ldx [%sp + STACK_BIAS + L3_OFFSET], %l3 |
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| 158 | ldx [%sp + STACK_BIAS + L4_OFFSET], %l4 |
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| 159 | ldx [%sp + STACK_BIAS + L5_OFFSET], %l5 |
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| 160 | ldx [%sp + STACK_BIAS + L6_OFFSET], %l6 |
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| 161 | ldx [%sp + STACK_BIAS + L7_OFFSET], %l7 |
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| 162 | ldx [%sp + STACK_BIAS + I0_OFFSET], %i0 |
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| 163 | ldx [%sp + STACK_BIAS + I1_OFFSET], %i1 |
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| 164 | ldx [%sp + STACK_BIAS + I2_OFFSET], %i2 |
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| 165 | ldx [%sp + STACK_BIAS + I3_OFFSET], %i3 |
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| 166 | ldx [%sp + STACK_BIAS + I4_OFFSET], %i4 |
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| 167 | ldx [%sp + STACK_BIAS + I5_OFFSET], %i5 |
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| 168 | ldx [%sp + STACK_BIAS + I6_OFFSET], %i6 |
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| 169 | ldx [%sp + STACK_BIAS + I7_OFFSET], %i7 |
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| 170 | restored |
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| 171 | retry |
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| 172 | .endm |
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| 173 | |||
| 1852 | jermar | 174 | /* |
| 175 | * Macro used by the userspace during normal fills. |
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| 176 | */ |
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| 177 | .macro FILL_NORMAL_HANDLER_USERSPACE |
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| 178 | wr ASI_AIUP, %asi |
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| 179 | ldxa [%sp + STACK_BIAS + L0_OFFSET] %asi, %l0 |
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| 180 | ldxa [%sp + STACK_BIAS + L1_OFFSET] %asi, %l1 |
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| 181 | ldxa [%sp + STACK_BIAS + L2_OFFSET] %asi, %l2 |
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| 182 | ldxa [%sp + STACK_BIAS + L3_OFFSET] %asi, %l3 |
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| 183 | ldxa [%sp + STACK_BIAS + L4_OFFSET] %asi, %l4 |
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| 184 | ldxa [%sp + STACK_BIAS + L5_OFFSET] %asi, %l5 |
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| 185 | ldxa [%sp + STACK_BIAS + L6_OFFSET] %asi, %l6 |
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| 186 | ldxa [%sp + STACK_BIAS + L7_OFFSET] %asi, %l7 |
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| 187 | ldxa [%sp + STACK_BIAS + I0_OFFSET] %asi, %i0 |
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| 188 | ldxa [%sp + STACK_BIAS + I1_OFFSET] %asi, %i1 |
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| 189 | ldxa [%sp + STACK_BIAS + I2_OFFSET] %asi, %i2 |
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| 190 | ldxa [%sp + STACK_BIAS + I3_OFFSET] %asi, %i3 |
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| 191 | ldxa [%sp + STACK_BIAS + I4_OFFSET] %asi, %i4 |
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| 192 | ldxa [%sp + STACK_BIAS + I5_OFFSET] %asi, %i5 |
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| 193 | ldxa [%sp + STACK_BIAS + I6_OFFSET] %asi, %i6 |
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| 194 | ldxa [%sp + STACK_BIAS + I7_OFFSET] %asi, %i7 |
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| 195 | restored |
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| 196 | retry |
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| 197 | .endm |
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| 198 | |||
| 199 | /* |
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| 200 | * Macro used by the userspace during other fills. |
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| 201 | */ |
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| 202 | .macro FILL_OTHER_HANDLER_USERSPACE |
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| 203 | wr ASI_AIUS, %asi |
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| 204 | ldxa [%sp + STACK_BIAS + L0_OFFSET] %asi, %l0 |
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| 205 | ldxa [%sp + STACK_BIAS + L1_OFFSET] %asi, %l1 |
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| 206 | ldxa [%sp + STACK_BIAS + L2_OFFSET] %asi, %l2 |
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| 207 | ldxa [%sp + STACK_BIAS + L3_OFFSET] %asi, %l3 |
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| 208 | ldxa [%sp + STACK_BIAS + L4_OFFSET] %asi, %l4 |
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| 209 | ldxa [%sp + STACK_BIAS + L5_OFFSET] %asi, %l5 |
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| 210 | ldxa [%sp + STACK_BIAS + L6_OFFSET] %asi, %l6 |
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| 211 | ldxa [%sp + STACK_BIAS + L7_OFFSET] %asi, %l7 |
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| 212 | ldxa [%sp + STACK_BIAS + I0_OFFSET] %asi, %i0 |
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| 213 | ldxa [%sp + STACK_BIAS + I1_OFFSET] %asi, %i1 |
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| 214 | ldxa [%sp + STACK_BIAS + I2_OFFSET] %asi, %i2 |
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| 215 | ldxa [%sp + STACK_BIAS + I3_OFFSET] %asi, %i3 |
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| 216 | ldxa [%sp + STACK_BIAS + I4_OFFSET] %asi, %i4 |
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| 217 | ldxa [%sp + STACK_BIAS + I5_OFFSET] %asi, %i5 |
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| 218 | ldxa [%sp + STACK_BIAS + I6_OFFSET] %asi, %i6 |
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| 219 | ldxa [%sp + STACK_BIAS + I7_OFFSET] %asi, %i7 |
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| 220 | restored |
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| 221 | retry |
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| 222 | .endm |
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| 223 | |||
| 630 | jermar | 224 | .macro CLEAN_WINDOW_HANDLER |
| 225 | rdpr %cleanwin, %l0 |
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| 226 | add %l0, 1, %l0 |
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| 227 | wrpr %l0, 0, %cleanwin |
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| 228 | mov %r0, %l0 |
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| 229 | mov %r0, %l1 |
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| 230 | mov %r0, %l2 |
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| 231 | mov %r0, %l3 |
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| 232 | mov %r0, %l4 |
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| 233 | mov %r0, %l5 |
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| 234 | mov %r0, %l6 |
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| 235 | mov %r0, %l7 |
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| 666 | jermar | 236 | mov %r0, %o0 |
| 237 | mov %r0, %o1 |
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| 238 | mov %r0, %o2 |
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| 239 | mov %r0, %o3 |
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| 240 | mov %r0, %o4 |
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| 241 | mov %r0, %o5 |
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| 242 | mov %r0, %o6 |
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| 243 | mov %r0, %o7 |
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| 630 | jermar | 244 | retry |
| 245 | .endm |
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| 632 | jermar | 246 | #endif /* __ASM__ */ |
| 630 | jermar | 247 | |
| 248 | #endif |
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| 1702 | cejka | 249 | |
| 1703 | jermar | 250 | /** @} |
| 1702 | cejka | 251 | */ |
| 252 |