dscontrol.c revision 1.2.4.2
1 1.2.4.2 rmind /****************************************************************************** 2 1.2.4.2 rmind * 3 1.2.4.2 rmind * Module Name: dscontrol - Support for execution control opcodes - 4 1.2.4.2 rmind * if/else/while/return 5 1.2.4.2 rmind * 6 1.2.4.2 rmind *****************************************************************************/ 7 1.2.4.2 rmind 8 1.2.4.2 rmind /* 9 1.2.4.2 rmind * Copyright (C) 2000 - 2011, Intel Corp. 10 1.2.4.2 rmind * All rights reserved. 11 1.2.4.2 rmind * 12 1.2.4.2 rmind * Redistribution and use in source and binary forms, with or without 13 1.2.4.2 rmind * modification, are permitted provided that the following conditions 14 1.2.4.2 rmind * are met: 15 1.2.4.2 rmind * 1. Redistributions of source code must retain the above copyright 16 1.2.4.2 rmind * notice, this list of conditions, and the following disclaimer, 17 1.2.4.2 rmind * without modification. 18 1.2.4.2 rmind * 2. Redistributions in binary form must reproduce at minimum a disclaimer 19 1.2.4.2 rmind * substantially similar to the "NO WARRANTY" disclaimer below 20 1.2.4.2 rmind * ("Disclaimer") and any redistribution must be conditioned upon 21 1.2.4.2 rmind * including a substantially similar Disclaimer requirement for further 22 1.2.4.2 rmind * binary redistribution. 23 1.2.4.2 rmind * 3. Neither the names of the above-listed copyright holders nor the names 24 1.2.4.2 rmind * of any contributors may be used to endorse or promote products derived 25 1.2.4.2 rmind * from this software without specific prior written permission. 26 1.2.4.2 rmind * 27 1.2.4.2 rmind * Alternatively, this software may be distributed under the terms of the 28 1.2.4.2 rmind * GNU General Public License ("GPL") version 2 as published by the Free 29 1.2.4.2 rmind * Software Foundation. 30 1.2.4.2 rmind * 31 1.2.4.2 rmind * NO WARRANTY 32 1.2.4.2 rmind * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 33 1.2.4.2 rmind * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 34 1.2.4.2 rmind * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 35 1.2.4.2 rmind * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 36 1.2.4.2 rmind * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 37 1.2.4.2 rmind * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 38 1.2.4.2 rmind * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 39 1.2.4.2 rmind * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 40 1.2.4.2 rmind * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 41 1.2.4.2 rmind * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 42 1.2.4.2 rmind * POSSIBILITY OF SUCH DAMAGES. 43 1.2.4.2 rmind */ 44 1.2.4.2 rmind 45 1.2.4.2 rmind #define __DSCONTROL_C__ 46 1.2.4.2 rmind 47 1.2.4.2 rmind #include "acpi.h" 48 1.2.4.2 rmind #include "accommon.h" 49 1.2.4.2 rmind #include "amlcode.h" 50 1.2.4.2 rmind #include "acdispat.h" 51 1.2.4.2 rmind #include "acinterp.h" 52 1.2.4.2 rmind 53 1.2.4.2 rmind #define _COMPONENT ACPI_DISPATCHER 54 1.2.4.2 rmind ACPI_MODULE_NAME ("dscontrol") 55 1.2.4.2 rmind 56 1.2.4.2 rmind 57 1.2.4.2 rmind /******************************************************************************* 58 1.2.4.2 rmind * 59 1.2.4.2 rmind * FUNCTION: AcpiDsExecBeginControlOp 60 1.2.4.2 rmind * 61 1.2.4.2 rmind * PARAMETERS: WalkList - The list that owns the walk stack 62 1.2.4.2 rmind * Op - The control Op 63 1.2.4.2 rmind * 64 1.2.4.2 rmind * RETURN: Status 65 1.2.4.2 rmind * 66 1.2.4.2 rmind * DESCRIPTION: Handles all control ops encountered during control method 67 1.2.4.2 rmind * execution. 68 1.2.4.2 rmind * 69 1.2.4.2 rmind ******************************************************************************/ 70 1.2.4.2 rmind 71 1.2.4.2 rmind ACPI_STATUS 72 1.2.4.2 rmind AcpiDsExecBeginControlOp ( 73 1.2.4.2 rmind ACPI_WALK_STATE *WalkState, 74 1.2.4.2 rmind ACPI_PARSE_OBJECT *Op) 75 1.2.4.2 rmind { 76 1.2.4.2 rmind ACPI_STATUS Status = AE_OK; 77 1.2.4.2 rmind ACPI_GENERIC_STATE *ControlState; 78 1.2.4.2 rmind 79 1.2.4.2 rmind 80 1.2.4.2 rmind ACPI_FUNCTION_NAME (DsExecBeginControlOp); 81 1.2.4.2 rmind 82 1.2.4.2 rmind 83 1.2.4.2 rmind ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Op=%p Opcode=%2.2X State=%p\n", 84 1.2.4.2 rmind Op, Op->Common.AmlOpcode, WalkState)); 85 1.2.4.2 rmind 86 1.2.4.2 rmind switch (Op->Common.AmlOpcode) 87 1.2.4.2 rmind { 88 1.2.4.2 rmind case AML_WHILE_OP: 89 1.2.4.2 rmind 90 1.2.4.2 rmind /* 91 1.2.4.2 rmind * If this is an additional iteration of a while loop, continue. 92 1.2.4.2 rmind * There is no need to allocate a new control state. 93 1.2.4.2 rmind */ 94 1.2.4.2 rmind if (WalkState->ControlState) 95 1.2.4.2 rmind { 96 1.2.4.2 rmind if (WalkState->ControlState->Control.AmlPredicateStart == 97 1.2.4.2 rmind (WalkState->ParserState.Aml - 1)) 98 1.2.4.2 rmind { 99 1.2.4.2 rmind /* Reset the state to start-of-loop */ 100 1.2.4.2 rmind 101 1.2.4.2 rmind WalkState->ControlState->Common.State = 102 1.2.4.2 rmind ACPI_CONTROL_CONDITIONAL_EXECUTING; 103 1.2.4.2 rmind break; 104 1.2.4.2 rmind } 105 1.2.4.2 rmind } 106 1.2.4.2 rmind 107 1.2.4.2 rmind /*lint -fallthrough */ 108 1.2.4.2 rmind 109 1.2.4.2 rmind case AML_IF_OP: 110 1.2.4.2 rmind 111 1.2.4.2 rmind /* 112 1.2.4.2 rmind * IF/WHILE: Create a new control state to manage these 113 1.2.4.2 rmind * constructs. We need to manage these as a stack, in order 114 1.2.4.2 rmind * to handle nesting. 115 1.2.4.2 rmind */ 116 1.2.4.2 rmind ControlState = AcpiUtCreateControlState (); 117 1.2.4.2 rmind if (!ControlState) 118 1.2.4.2 rmind { 119 1.2.4.2 rmind Status = AE_NO_MEMORY; 120 1.2.4.2 rmind break; 121 1.2.4.2 rmind } 122 1.2.4.2 rmind /* 123 1.2.4.2 rmind * Save a pointer to the predicate for multiple executions 124 1.2.4.2 rmind * of a loop 125 1.2.4.2 rmind */ 126 1.2.4.2 rmind ControlState->Control.AmlPredicateStart = WalkState->ParserState.Aml - 1; 127 1.2.4.2 rmind ControlState->Control.PackageEnd = WalkState->ParserState.PkgEnd; 128 1.2.4.2 rmind ControlState->Control.Opcode = Op->Common.AmlOpcode; 129 1.2.4.2 rmind 130 1.2.4.2 rmind 131 1.2.4.2 rmind /* Push the control state on this walk's control stack */ 132 1.2.4.2 rmind 133 1.2.4.2 rmind AcpiUtPushGenericState (&WalkState->ControlState, ControlState); 134 1.2.4.2 rmind break; 135 1.2.4.2 rmind 136 1.2.4.2 rmind case AML_ELSE_OP: 137 1.2.4.2 rmind 138 1.2.4.2 rmind /* Predicate is in the state object */ 139 1.2.4.2 rmind /* If predicate is true, the IF was executed, ignore ELSE part */ 140 1.2.4.2 rmind 141 1.2.4.2 rmind if (WalkState->LastPredicate) 142 1.2.4.2 rmind { 143 1.2.4.2 rmind Status = AE_CTRL_TRUE; 144 1.2.4.2 rmind } 145 1.2.4.2 rmind 146 1.2.4.2 rmind break; 147 1.2.4.2 rmind 148 1.2.4.2 rmind case AML_RETURN_OP: 149 1.2.4.2 rmind 150 1.2.4.2 rmind break; 151 1.2.4.2 rmind 152 1.2.4.2 rmind default: 153 1.2.4.2 rmind break; 154 1.2.4.2 rmind } 155 1.2.4.2 rmind 156 1.2.4.2 rmind return (Status); 157 1.2.4.2 rmind } 158 1.2.4.2 rmind 159 1.2.4.2 rmind 160 1.2.4.2 rmind /******************************************************************************* 161 1.2.4.2 rmind * 162 1.2.4.2 rmind * FUNCTION: AcpiDsExecEndControlOp 163 1.2.4.2 rmind * 164 1.2.4.2 rmind * PARAMETERS: WalkList - The list that owns the walk stack 165 1.2.4.2 rmind * Op - The control Op 166 1.2.4.2 rmind * 167 1.2.4.2 rmind * RETURN: Status 168 1.2.4.2 rmind * 169 1.2.4.2 rmind * DESCRIPTION: Handles all control ops encountered during control method 170 1.2.4.2 rmind * execution. 171 1.2.4.2 rmind * 172 1.2.4.2 rmind ******************************************************************************/ 173 1.2.4.2 rmind 174 1.2.4.2 rmind ACPI_STATUS 175 1.2.4.2 rmind AcpiDsExecEndControlOp ( 176 1.2.4.2 rmind ACPI_WALK_STATE *WalkState, 177 1.2.4.2 rmind ACPI_PARSE_OBJECT *Op) 178 1.2.4.2 rmind { 179 1.2.4.2 rmind ACPI_STATUS Status = AE_OK; 180 1.2.4.2 rmind ACPI_GENERIC_STATE *ControlState; 181 1.2.4.2 rmind 182 1.2.4.2 rmind 183 1.2.4.2 rmind ACPI_FUNCTION_NAME (DsExecEndControlOp); 184 1.2.4.2 rmind 185 1.2.4.2 rmind 186 1.2.4.2 rmind switch (Op->Common.AmlOpcode) 187 1.2.4.2 rmind { 188 1.2.4.2 rmind case AML_IF_OP: 189 1.2.4.2 rmind 190 1.2.4.2 rmind ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "[IF_OP] Op=%p\n", Op)); 191 1.2.4.2 rmind 192 1.2.4.2 rmind /* 193 1.2.4.2 rmind * Save the result of the predicate in case there is an 194 1.2.4.2 rmind * ELSE to come 195 1.2.4.2 rmind */ 196 1.2.4.2 rmind WalkState->LastPredicate = 197 1.2.4.2 rmind (BOOLEAN) WalkState->ControlState->Common.Value; 198 1.2.4.2 rmind 199 1.2.4.2 rmind /* 200 1.2.4.2 rmind * Pop the control state that was created at the start 201 1.2.4.2 rmind * of the IF and free it 202 1.2.4.2 rmind */ 203 1.2.4.2 rmind ControlState = AcpiUtPopGenericState (&WalkState->ControlState); 204 1.2.4.2 rmind AcpiUtDeleteGenericState (ControlState); 205 1.2.4.2 rmind break; 206 1.2.4.2 rmind 207 1.2.4.2 rmind 208 1.2.4.2 rmind case AML_ELSE_OP: 209 1.2.4.2 rmind 210 1.2.4.2 rmind break; 211 1.2.4.2 rmind 212 1.2.4.2 rmind 213 1.2.4.2 rmind case AML_WHILE_OP: 214 1.2.4.2 rmind 215 1.2.4.2 rmind ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "[WHILE_OP] Op=%p\n", Op)); 216 1.2.4.2 rmind 217 1.2.4.2 rmind ControlState = WalkState->ControlState; 218 1.2.4.2 rmind if (ControlState->Common.Value) 219 1.2.4.2 rmind { 220 1.2.4.2 rmind /* Predicate was true, the body of the loop was just executed */ 221 1.2.4.2 rmind 222 1.2.4.2 rmind /* 223 1.2.4.2 rmind * This loop counter mechanism allows the interpreter to escape 224 1.2.4.2 rmind * possibly infinite loops. This can occur in poorly written AML 225 1.2.4.2 rmind * when the hardware does not respond within a while loop and the 226 1.2.4.2 rmind * loop does not implement a timeout. 227 1.2.4.2 rmind */ 228 1.2.4.2 rmind ControlState->Control.LoopCount++; 229 1.2.4.2 rmind if (ControlState->Control.LoopCount > ACPI_MAX_LOOP_ITERATIONS) 230 1.2.4.2 rmind { 231 1.2.4.2 rmind Status = AE_AML_INFINITE_LOOP; 232 1.2.4.2 rmind break; 233 1.2.4.2 rmind } 234 1.2.4.2 rmind 235 1.2.4.2 rmind /* 236 1.2.4.2 rmind * Go back and evaluate the predicate and maybe execute the loop 237 1.2.4.2 rmind * another time 238 1.2.4.2 rmind */ 239 1.2.4.2 rmind Status = AE_CTRL_PENDING; 240 1.2.4.2 rmind WalkState->AmlLastWhile = ControlState->Control.AmlPredicateStart; 241 1.2.4.2 rmind break; 242 1.2.4.2 rmind } 243 1.2.4.2 rmind 244 1.2.4.2 rmind /* Predicate was false, terminate this while loop */ 245 1.2.4.2 rmind 246 1.2.4.2 rmind ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, 247 1.2.4.2 rmind "[WHILE_OP] termination! Op=%p\n",Op)); 248 1.2.4.2 rmind 249 1.2.4.2 rmind /* Pop this control state and free it */ 250 1.2.4.2 rmind 251 1.2.4.2 rmind ControlState = AcpiUtPopGenericState (&WalkState->ControlState); 252 1.2.4.2 rmind AcpiUtDeleteGenericState (ControlState); 253 1.2.4.2 rmind break; 254 1.2.4.2 rmind 255 1.2.4.2 rmind 256 1.2.4.2 rmind case AML_RETURN_OP: 257 1.2.4.2 rmind 258 1.2.4.2 rmind ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, 259 1.2.4.2 rmind "[RETURN_OP] Op=%p Arg=%p\n",Op, Op->Common.Value.Arg)); 260 1.2.4.2 rmind 261 1.2.4.2 rmind /* 262 1.2.4.2 rmind * One optional operand -- the return value 263 1.2.4.2 rmind * It can be either an immediate operand or a result that 264 1.2.4.2 rmind * has been bubbled up the tree 265 1.2.4.2 rmind */ 266 1.2.4.2 rmind if (Op->Common.Value.Arg) 267 1.2.4.2 rmind { 268 1.2.4.2 rmind /* Since we have a real Return(), delete any implicit return */ 269 1.2.4.2 rmind 270 1.2.4.2 rmind AcpiDsClearImplicitReturn (WalkState); 271 1.2.4.2 rmind 272 1.2.4.2 rmind /* Return statement has an immediate operand */ 273 1.2.4.2 rmind 274 1.2.4.2 rmind Status = AcpiDsCreateOperands (WalkState, Op->Common.Value.Arg); 275 1.2.4.2 rmind if (ACPI_FAILURE (Status)) 276 1.2.4.2 rmind { 277 1.2.4.2 rmind return (Status); 278 1.2.4.2 rmind } 279 1.2.4.2 rmind 280 1.2.4.2 rmind /* 281 1.2.4.2 rmind * If value being returned is a Reference (such as 282 1.2.4.2 rmind * an arg or local), resolve it now because it may 283 1.2.4.2 rmind * cease to exist at the end of the method. 284 1.2.4.2 rmind */ 285 1.2.4.2 rmind Status = AcpiExResolveToValue (&WalkState->Operands [0], WalkState); 286 1.2.4.2 rmind if (ACPI_FAILURE (Status)) 287 1.2.4.2 rmind { 288 1.2.4.2 rmind return (Status); 289 1.2.4.2 rmind } 290 1.2.4.2 rmind 291 1.2.4.2 rmind /* 292 1.2.4.2 rmind * Get the return value and save as the last result 293 1.2.4.2 rmind * value. This is the only place where WalkState->ReturnDesc 294 1.2.4.2 rmind * is set to anything other than zero! 295 1.2.4.2 rmind */ 296 1.2.4.2 rmind WalkState->ReturnDesc = WalkState->Operands[0]; 297 1.2.4.2 rmind } 298 1.2.4.2 rmind else if (WalkState->ResultCount) 299 1.2.4.2 rmind { 300 1.2.4.2 rmind /* Since we have a real Return(), delete any implicit return */ 301 1.2.4.2 rmind 302 1.2.4.2 rmind AcpiDsClearImplicitReturn (WalkState); 303 1.2.4.2 rmind 304 1.2.4.2 rmind /* 305 1.2.4.2 rmind * The return value has come from a previous calculation. 306 1.2.4.2 rmind * 307 1.2.4.2 rmind * If value being returned is a Reference (such as 308 1.2.4.2 rmind * an arg or local), resolve it now because it may 309 1.2.4.2 rmind * cease to exist at the end of the method. 310 1.2.4.2 rmind * 311 1.2.4.2 rmind * Allow references created by the Index operator to return 312 1.2.4.2 rmind * unchanged. 313 1.2.4.2 rmind */ 314 1.2.4.2 rmind if ((ACPI_GET_DESCRIPTOR_TYPE (WalkState->Results->Results.ObjDesc[0]) == ACPI_DESC_TYPE_OPERAND) && 315 1.2.4.2 rmind ((WalkState->Results->Results.ObjDesc [0])->Common.Type == ACPI_TYPE_LOCAL_REFERENCE) && 316 1.2.4.2 rmind ((WalkState->Results->Results.ObjDesc [0])->Reference.Class != ACPI_REFCLASS_INDEX)) 317 1.2.4.2 rmind { 318 1.2.4.2 rmind Status = AcpiExResolveToValue (&WalkState->Results->Results.ObjDesc [0], WalkState); 319 1.2.4.2 rmind if (ACPI_FAILURE (Status)) 320 1.2.4.2 rmind { 321 1.2.4.2 rmind return (Status); 322 1.2.4.2 rmind } 323 1.2.4.2 rmind } 324 1.2.4.2 rmind 325 1.2.4.2 rmind WalkState->ReturnDesc = WalkState->Results->Results.ObjDesc [0]; 326 1.2.4.2 rmind } 327 1.2.4.2 rmind else 328 1.2.4.2 rmind { 329 1.2.4.2 rmind /* No return operand */ 330 1.2.4.2 rmind 331 1.2.4.2 rmind if (WalkState->NumOperands) 332 1.2.4.2 rmind { 333 1.2.4.2 rmind AcpiUtRemoveReference (WalkState->Operands [0]); 334 1.2.4.2 rmind } 335 1.2.4.2 rmind 336 1.2.4.2 rmind WalkState->Operands [0] = NULL; 337 1.2.4.2 rmind WalkState->NumOperands = 0; 338 1.2.4.2 rmind WalkState->ReturnDesc = NULL; 339 1.2.4.2 rmind } 340 1.2.4.2 rmind 341 1.2.4.2 rmind 342 1.2.4.2 rmind ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, 343 1.2.4.2 rmind "Completed RETURN_OP State=%p, RetVal=%p\n", 344 1.2.4.2 rmind WalkState, WalkState->ReturnDesc)); 345 1.2.4.2 rmind 346 1.2.4.2 rmind /* End the control method execution right now */ 347 1.2.4.2 rmind 348 1.2.4.2 rmind Status = AE_CTRL_TERMINATE; 349 1.2.4.2 rmind break; 350 1.2.4.2 rmind 351 1.2.4.2 rmind 352 1.2.4.2 rmind case AML_NOOP_OP: 353 1.2.4.2 rmind 354 1.2.4.2 rmind /* Just do nothing! */ 355 1.2.4.2 rmind break; 356 1.2.4.2 rmind 357 1.2.4.2 rmind 358 1.2.4.2 rmind case AML_BREAK_POINT_OP: 359 1.2.4.2 rmind 360 1.2.4.2 rmind /* 361 1.2.4.2 rmind * Set the single-step flag. This will cause the debugger (if present) 362 1.2.4.2 rmind * to break to the console within the AML debugger at the start of the 363 1.2.4.2 rmind * next AML instruction. 364 1.2.4.2 rmind */ 365 1.2.4.2 rmind ACPI_DEBUGGER_EXEC ( 366 1.2.4.2 rmind AcpiGbl_CmSingleStep = TRUE); 367 1.2.4.2 rmind ACPI_DEBUGGER_EXEC ( 368 1.2.4.2 rmind AcpiOsPrintf ("**break** Executed AML BreakPoint opcode\n")); 369 1.2.4.2 rmind 370 1.2.4.2 rmind /* Call to the OSL in case OS wants a piece of the action */ 371 1.2.4.2 rmind 372 1.2.4.2 rmind Status = AcpiOsSignal (ACPI_SIGNAL_BREAKPOINT, 373 1.2.4.2 rmind __UNCONST("Executed AML Breakpoint opcode")); 374 1.2.4.2 rmind break; 375 1.2.4.2 rmind 376 1.2.4.2 rmind 377 1.2.4.2 rmind case AML_BREAK_OP: 378 1.2.4.2 rmind case AML_CONTINUE_OP: /* ACPI 2.0 */ 379 1.2.4.2 rmind 380 1.2.4.2 rmind 381 1.2.4.2 rmind /* Pop and delete control states until we find a while */ 382 1.2.4.2 rmind 383 1.2.4.2 rmind while (WalkState->ControlState && 384 1.2.4.2 rmind (WalkState->ControlState->Control.Opcode != AML_WHILE_OP)) 385 1.2.4.2 rmind { 386 1.2.4.2 rmind ControlState = AcpiUtPopGenericState (&WalkState->ControlState); 387 1.2.4.2 rmind AcpiUtDeleteGenericState (ControlState); 388 1.2.4.2 rmind } 389 1.2.4.2 rmind 390 1.2.4.2 rmind /* No while found? */ 391 1.2.4.2 rmind 392 1.2.4.2 rmind if (!WalkState->ControlState) 393 1.2.4.2 rmind { 394 1.2.4.2 rmind return (AE_AML_NO_WHILE); 395 1.2.4.2 rmind } 396 1.2.4.2 rmind 397 1.2.4.2 rmind /* Was: WalkState->AmlLastWhile = WalkState->ControlState->Control.AmlPredicateStart; */ 398 1.2.4.2 rmind 399 1.2.4.2 rmind WalkState->AmlLastWhile = WalkState->ControlState->Control.PackageEnd; 400 1.2.4.2 rmind 401 1.2.4.2 rmind /* Return status depending on opcode */ 402 1.2.4.2 rmind 403 1.2.4.2 rmind if (Op->Common.AmlOpcode == AML_BREAK_OP) 404 1.2.4.2 rmind { 405 1.2.4.2 rmind Status = AE_CTRL_BREAK; 406 1.2.4.2 rmind } 407 1.2.4.2 rmind else 408 1.2.4.2 rmind { 409 1.2.4.2 rmind Status = AE_CTRL_CONTINUE; 410 1.2.4.2 rmind } 411 1.2.4.2 rmind break; 412 1.2.4.2 rmind 413 1.2.4.2 rmind 414 1.2.4.2 rmind default: 415 1.2.4.2 rmind 416 1.2.4.2 rmind ACPI_ERROR ((AE_INFO, "Unknown control opcode=0x%X Op=%p", 417 1.2.4.2 rmind Op->Common.AmlOpcode, Op)); 418 1.2.4.2 rmind 419 1.2.4.2 rmind Status = AE_AML_BAD_OPCODE; 420 1.2.4.2 rmind break; 421 1.2.4.2 rmind } 422 1.2.4.2 rmind 423 1.2.4.2 rmind return (Status); 424 1.2.4.2 rmind } 425
Indexes created Thu Oct 02 14:10:14 GMT 2025