| 2aa62f2b |
1 | /* $NetBSD: _regset.h,v 1.1 2006/04/07 14:21:18 cherry Exp $ */\r |
| 2 | \r |
| 3 | /*-\r |
| 4 | * Copyright (c) 2002, 2003 Marcel Moolenaar\r |
| 5 | * All rights reserved.\r |
| 6 | *\r |
| 7 | * Redistribution and use in source and binary forms, with or without\r |
| 8 | * modification, are permitted provided that the following conditions\r |
| 9 | * are met:\r |
| 10 | *\r |
| 11 | * 1. Redistributions of source code must retain the above copyright\r |
| 12 | * notice, this list of conditions and the following disclaimer.\r |
| 13 | * 2. Redistributions in binary form must reproduce the above copyright\r |
| 14 | * notice, this list of conditions and the following disclaimer in the\r |
| 15 | * documentation and/or other materials provided with the distribution.\r |
| 16 | *\r |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR\r |
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES\r |
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.\r |
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,\r |
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT\r |
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\r |
| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\r |
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\r |
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF\r |
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\r |
| 27 | *\r |
| 28 | * $FreeBSD$\r |
| 29 | */\r |
| 30 | \r |
| 31 | #ifndef _MACHINE_REGSET_H_\r |
| 32 | #define _MACHINE_REGSET_H_\r |
| 33 | \r |
| 34 | /*\r |
| 35 | * Create register sets, based on the runtime specification. This allows\r |
| 36 | * us to better reuse code and to copy sets around more efficiently.\r |
| 37 | * Contexts are defined in terms of these sets. These include trapframe,\r |
| 38 | * sigframe, pcb, mcontext, reg and fpreg. Other candidates are unwind\r |
| 39 | * and coredump related contexts.\r |
| 40 | *\r |
| 41 | * Notes:\r |
| 42 | * o Constant registers (r0, f0 and f1) are not accounted for,\r |
| 43 | * o The stacked registers (r32-r127) are not accounted for,\r |
| 44 | * o Predicates are not split across sets.\r |
| 45 | */\r |
| 46 | \r |
| 47 | /* A single FP register. */\r |
| 48 | union _ia64_fpreg {\r |
| 49 | unsigned char fpr_bits[16];\r |
| 50 | long double fpr_flt;\r |
| 51 | };\r |
| 52 | \r |
| 53 | /*\r |
| 54 | * Special registers.\r |
| 55 | */\r |
| 56 | struct _special {\r |
| 57 | unsigned long sp;\r |
| 58 | unsigned long unat; /* NaT before spilling */\r |
| 59 | unsigned long rp;\r |
| 60 | unsigned long pr;\r |
| 61 | unsigned long pfs;\r |
| 62 | unsigned long bspstore;\r |
| 63 | unsigned long rnat;\r |
| 64 | unsigned long __spare;\r |
| 65 | /* Userland context and syscalls */\r |
| 66 | unsigned long tp;\r |
| 67 | unsigned long rsc;\r |
| 68 | unsigned long fpsr;\r |
| 69 | unsigned long psr;\r |
| 70 | /* ASYNC: Interrupt specific */\r |
| 71 | unsigned long gp;\r |
| 72 | unsigned long ndirty;\r |
| 73 | unsigned long cfm;\r |
| 74 | unsigned long iip;\r |
| 75 | unsigned long ifa;\r |
| 76 | unsigned long isr;\r |
| 77 | };\r |
| 78 | \r |
| 79 | struct _high_fp {\r |
| 80 | union _ia64_fpreg fr32;\r |
| 81 | union _ia64_fpreg fr33;\r |
| 82 | union _ia64_fpreg fr34;\r |
| 83 | union _ia64_fpreg fr35;\r |
| 84 | union _ia64_fpreg fr36;\r |
| 85 | union _ia64_fpreg fr37;\r |
| 86 | union _ia64_fpreg fr38;\r |
| 87 | union _ia64_fpreg fr39;\r |
| 88 | union _ia64_fpreg fr40;\r |
| 89 | union _ia64_fpreg fr41;\r |
| 90 | union _ia64_fpreg fr42;\r |
| 91 | union _ia64_fpreg fr43;\r |
| 92 | union _ia64_fpreg fr44;\r |
| 93 | union _ia64_fpreg fr45;\r |
| 94 | union _ia64_fpreg fr46;\r |
| 95 | union _ia64_fpreg fr47;\r |
| 96 | union _ia64_fpreg fr48;\r |
| 97 | union _ia64_fpreg fr49;\r |
| 98 | union _ia64_fpreg fr50;\r |
| 99 | union _ia64_fpreg fr51;\r |
| 100 | union _ia64_fpreg fr52;\r |
| 101 | union _ia64_fpreg fr53;\r |
| 102 | union _ia64_fpreg fr54;\r |
| 103 | union _ia64_fpreg fr55;\r |
| 104 | union _ia64_fpreg fr56;\r |
| 105 | union _ia64_fpreg fr57;\r |
| 106 | union _ia64_fpreg fr58;\r |
| 107 | union _ia64_fpreg fr59;\r |
| 108 | union _ia64_fpreg fr60;\r |
| 109 | union _ia64_fpreg fr61;\r |
| 110 | union _ia64_fpreg fr62;\r |
| 111 | union _ia64_fpreg fr63;\r |
| 112 | union _ia64_fpreg fr64;\r |
| 113 | union _ia64_fpreg fr65;\r |
| 114 | union _ia64_fpreg fr66;\r |
| 115 | union _ia64_fpreg fr67;\r |
| 116 | union _ia64_fpreg fr68;\r |
| 117 | union _ia64_fpreg fr69;\r |
| 118 | union _ia64_fpreg fr70;\r |
| 119 | union _ia64_fpreg fr71;\r |
| 120 | union _ia64_fpreg fr72;\r |
| 121 | union _ia64_fpreg fr73;\r |
| 122 | union _ia64_fpreg fr74;\r |
| 123 | union _ia64_fpreg fr75;\r |
| 124 | union _ia64_fpreg fr76;\r |
| 125 | union _ia64_fpreg fr77;\r |
| 126 | union _ia64_fpreg fr78;\r |
| 127 | union _ia64_fpreg fr79;\r |
| 128 | union _ia64_fpreg fr80;\r |
| 129 | union _ia64_fpreg fr81;\r |
| 130 | union _ia64_fpreg fr82;\r |
| 131 | union _ia64_fpreg fr83;\r |
| 132 | union _ia64_fpreg fr84;\r |
| 133 | union _ia64_fpreg fr85;\r |
| 134 | union _ia64_fpreg fr86;\r |
| 135 | union _ia64_fpreg fr87;\r |
| 136 | union _ia64_fpreg fr88;\r |
| 137 | union _ia64_fpreg fr89;\r |
| 138 | union _ia64_fpreg fr90;\r |
| 139 | union _ia64_fpreg fr91;\r |
| 140 | union _ia64_fpreg fr92;\r |
| 141 | union _ia64_fpreg fr93;\r |
| 142 | union _ia64_fpreg fr94;\r |
| 143 | union _ia64_fpreg fr95;\r |
| 144 | union _ia64_fpreg fr96;\r |
| 145 | union _ia64_fpreg fr97;\r |
| 146 | union _ia64_fpreg fr98;\r |
| 147 | union _ia64_fpreg fr99;\r |
| 148 | union _ia64_fpreg fr100;\r |
| 149 | union _ia64_fpreg fr101;\r |
| 150 | union _ia64_fpreg fr102;\r |
| 151 | union _ia64_fpreg fr103;\r |
| 152 | union _ia64_fpreg fr104;\r |
| 153 | union _ia64_fpreg fr105;\r |
| 154 | union _ia64_fpreg fr106;\r |
| 155 | union _ia64_fpreg fr107;\r |
| 156 | union _ia64_fpreg fr108;\r |
| 157 | union _ia64_fpreg fr109;\r |
| 158 | union _ia64_fpreg fr110;\r |
| 159 | union _ia64_fpreg fr111;\r |
| 160 | union _ia64_fpreg fr112;\r |
| 161 | union _ia64_fpreg fr113;\r |
| 162 | union _ia64_fpreg fr114;\r |
| 163 | union _ia64_fpreg fr115;\r |
| 164 | union _ia64_fpreg fr116;\r |
| 165 | union _ia64_fpreg fr117;\r |
| 166 | union _ia64_fpreg fr118;\r |
| 167 | union _ia64_fpreg fr119;\r |
| 168 | union _ia64_fpreg fr120;\r |
| 169 | union _ia64_fpreg fr121;\r |
| 170 | union _ia64_fpreg fr122;\r |
| 171 | union _ia64_fpreg fr123;\r |
| 172 | union _ia64_fpreg fr124;\r |
| 173 | union _ia64_fpreg fr125;\r |
| 174 | union _ia64_fpreg fr126;\r |
| 175 | union _ia64_fpreg fr127;\r |
| 176 | };\r |
| 177 | \r |
| 178 | /*\r |
| 179 | * Preserved registers.\r |
| 180 | */\r |
| 181 | struct _callee_saved {\r |
| 182 | unsigned long unat; /* NaT after spilling. */\r |
| 183 | unsigned long gr4;\r |
| 184 | unsigned long gr5;\r |
| 185 | unsigned long gr6;\r |
| 186 | unsigned long gr7;\r |
| 187 | unsigned long br1;\r |
| 188 | unsigned long br2;\r |
| 189 | unsigned long br3;\r |
| 190 | unsigned long br4;\r |
| 191 | unsigned long br5;\r |
| 192 | unsigned long lc;\r |
| 193 | unsigned long __spare;\r |
| 194 | };\r |
| 195 | \r |
| 196 | struct _callee_saved_fp {\r |
| 197 | union _ia64_fpreg fr2;\r |
| 198 | union _ia64_fpreg fr3;\r |
| 199 | union _ia64_fpreg fr4;\r |
| 200 | union _ia64_fpreg fr5;\r |
| 201 | union _ia64_fpreg fr16;\r |
| 202 | union _ia64_fpreg fr17;\r |
| 203 | union _ia64_fpreg fr18;\r |
| 204 | union _ia64_fpreg fr19;\r |
| 205 | union _ia64_fpreg fr20;\r |
| 206 | union _ia64_fpreg fr21;\r |
| 207 | union _ia64_fpreg fr22;\r |
| 208 | union _ia64_fpreg fr23;\r |
| 209 | union _ia64_fpreg fr24;\r |
| 210 | union _ia64_fpreg fr25;\r |
| 211 | union _ia64_fpreg fr26;\r |
| 212 | union _ia64_fpreg fr27;\r |
| 213 | union _ia64_fpreg fr28;\r |
| 214 | union _ia64_fpreg fr29;\r |
| 215 | union _ia64_fpreg fr30;\r |
| 216 | union _ia64_fpreg fr31;\r |
| 217 | };\r |
| 218 | \r |
| 219 | /*\r |
| 220 | * Scratch registers.\r |
| 221 | */\r |
| 222 | struct _caller_saved {\r |
| 223 | unsigned long unat; /* NaT after spilling. */\r |
| 224 | unsigned long gr2;\r |
| 225 | unsigned long gr3;\r |
| 226 | unsigned long gr8;\r |
| 227 | unsigned long gr9;\r |
| 228 | unsigned long gr10;\r |
| 229 | unsigned long gr11;\r |
| 230 | unsigned long gr14;\r |
| 231 | unsigned long gr15;\r |
| 232 | unsigned long gr16;\r |
| 233 | unsigned long gr17;\r |
| 234 | unsigned long gr18;\r |
| 235 | unsigned long gr19;\r |
| 236 | unsigned long gr20;\r |
| 237 | unsigned long gr21;\r |
| 238 | unsigned long gr22;\r |
| 239 | unsigned long gr23;\r |
| 240 | unsigned long gr24;\r |
| 241 | unsigned long gr25;\r |
| 242 | unsigned long gr26;\r |
| 243 | unsigned long gr27;\r |
| 244 | unsigned long gr28;\r |
| 245 | unsigned long gr29;\r |
| 246 | unsigned long gr30;\r |
| 247 | unsigned long gr31;\r |
| 248 | unsigned long br6;\r |
| 249 | unsigned long br7;\r |
| 250 | unsigned long ccv;\r |
| 251 | unsigned long csd;\r |
| 252 | unsigned long ssd;\r |
| 253 | };\r |
| 254 | \r |
| 255 | struct _caller_saved_fp {\r |
| 256 | union _ia64_fpreg fr6;\r |
| 257 | union _ia64_fpreg fr7;\r |
| 258 | union _ia64_fpreg fr8;\r |
| 259 | union _ia64_fpreg fr9;\r |
| 260 | union _ia64_fpreg fr10;\r |
| 261 | union _ia64_fpreg fr11;\r |
| 262 | union _ia64_fpreg fr12;\r |
| 263 | union _ia64_fpreg fr13;\r |
| 264 | union _ia64_fpreg fr14;\r |
| 265 | union _ia64_fpreg fr15;\r |
| 266 | };\r |
| 267 | \r |
| 268 | #ifdef _KERNEL\r |
| 269 | void restore_callee_saved(const struct _callee_saved *);\r |
| 270 | void restore_callee_saved_fp(const struct _callee_saved_fp *);\r |
| 271 | void restore_high_fp(const struct _high_fp *);\r |
| 272 | void save_callee_saved(struct _callee_saved *);\r |
| 273 | void save_callee_saved_fp(struct _callee_saved_fp *);\r |
| 274 | void save_high_fp(struct _high_fp *);\r |
| 275 | #endif\r |
| 276 | \r |
| 277 | #endif /* _MACHINE_REGSET_H_ */\r |
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