exoparg1.c revision 1.1.1.2.2.2
1 1.1.1.2.2.2 bouyer 2 1.1.1.2.2.2 bouyer /****************************************************************************** 3 1.1.1.2.2.2 bouyer * 4 1.1.1.2.2.2 bouyer * Module Name: exoparg1 - AML execution - opcodes with 1 argument 5 1.1.1.2.2.2 bouyer * 6 1.1.1.2.2.2 bouyer *****************************************************************************/ 7 1.1.1.2.2.2 bouyer 8 1.1.1.2.2.2 bouyer /* 9 1.1.1.2.2.2 bouyer * Copyright (C) 2000 - 2011, Intel Corp. 10 1.1.1.2.2.2 bouyer * All rights reserved. 11 1.1.1.2.2.2 bouyer * 12 1.1.1.2.2.2 bouyer * Redistribution and use in source and binary forms, with or without 13 1.1.1.2.2.2 bouyer * modification, are permitted provided that the following conditions 14 1.1.1.2.2.2 bouyer * are met: 15 1.1.1.2.2.2 bouyer * 1. Redistributions of source code must retain the above copyright 16 1.1.1.2.2.2 bouyer * notice, this list of conditions, and the following disclaimer, 17 1.1.1.2.2.2 bouyer * without modification. 18 1.1.1.2.2.2 bouyer * 2. Redistributions in binary form must reproduce at minimum a disclaimer 19 1.1.1.2.2.2 bouyer * substantially similar to the "NO WARRANTY" disclaimer below 20 1.1.1.2.2.2 bouyer * ("Disclaimer") and any redistribution must be conditioned upon 21 1.1.1.2.2.2 bouyer * including a substantially similar Disclaimer requirement for further 22 1.1.1.2.2.2 bouyer * binary redistribution. 23 1.1.1.2.2.2 bouyer * 3. Neither the names of the above-listed copyright holders nor the names 24 1.1.1.2.2.2 bouyer * of any contributors may be used to endorse or promote products derived 25 1.1.1.2.2.2 bouyer * from this software without specific prior written permission. 26 1.1.1.2.2.2 bouyer * 27 1.1.1.2.2.2 bouyer * Alternatively, this software may be distributed under the terms of the 28 1.1.1.2.2.2 bouyer * GNU General Public License ("GPL") version 2 as published by the Free 29 1.1.1.2.2.2 bouyer * Software Foundation. 30 1.1.1.2.2.2 bouyer * 31 1.1.1.2.2.2 bouyer * NO WARRANTY 32 1.1.1.2.2.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 33 1.1.1.2.2.2 bouyer * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 34 1.1.1.2.2.2 bouyer * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 35 1.1.1.2.2.2 bouyer * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 36 1.1.1.2.2.2 bouyer * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 37 1.1.1.2.2.2 bouyer * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 38 1.1.1.2.2.2 bouyer * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 39 1.1.1.2.2.2 bouyer * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 40 1.1.1.2.2.2 bouyer * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 41 1.1.1.2.2.2 bouyer * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 42 1.1.1.2.2.2 bouyer * POSSIBILITY OF SUCH DAMAGES. 43 1.1.1.2.2.2 bouyer */ 44 1.1.1.2.2.2 bouyer 45 1.1.1.2.2.2 bouyer #define __EXOPARG1_C__ 46 1.1.1.2.2.2 bouyer 47 1.1.1.2.2.2 bouyer #include "acpi.h" 48 1.1.1.2.2.2 bouyer #include "accommon.h" 49 1.1.1.2.2.2 bouyer #include "acparser.h" 50 1.1.1.2.2.2 bouyer #include "acdispat.h" 51 1.1.1.2.2.2 bouyer #include "acinterp.h" 52 1.1.1.2.2.2 bouyer #include "amlcode.h" 53 1.1.1.2.2.2 bouyer #include "acnamesp.h" 54 1.1.1.2.2.2 bouyer 55 1.1.1.2.2.2 bouyer 56 1.1.1.2.2.2 bouyer #define _COMPONENT ACPI_EXECUTER 57 1.1.1.2.2.2 bouyer ACPI_MODULE_NAME ("exoparg1") 58 1.1.1.2.2.2 bouyer 59 1.1.1.2.2.2 bouyer 60 1.1.1.2.2.2 bouyer /*! 61 1.1.1.2.2.2 bouyer * Naming convention for AML interpreter execution routines. 62 1.1.1.2.2.2 bouyer * 63 1.1.1.2.2.2 bouyer * The routines that begin execution of AML opcodes are named with a common 64 1.1.1.2.2.2 bouyer * convention based upon the number of arguments, the number of target operands, 65 1.1.1.2.2.2 bouyer * and whether or not a value is returned: 66 1.1.1.2.2.2 bouyer * 67 1.1.1.2.2.2 bouyer * AcpiExOpcode_xA_yT_zR 68 1.1.1.2.2.2 bouyer * 69 1.1.1.2.2.2 bouyer * Where: 70 1.1.1.2.2.2 bouyer * 71 1.1.1.2.2.2 bouyer * xA - ARGUMENTS: The number of arguments (input operands) that are 72 1.1.1.2.2.2 bouyer * required for this opcode type (0 through 6 args). 73 1.1.1.2.2.2 bouyer * yT - TARGETS: The number of targets (output operands) that are required 74 1.1.1.2.2.2 bouyer * for this opcode type (0, 1, or 2 targets). 75 1.1.1.2.2.2 bouyer * zR - RETURN VALUE: Indicates whether this opcode type returns a value 76 1.1.1.2.2.2 bouyer * as the function return (0 or 1). 77 1.1.1.2.2.2 bouyer * 78 1.1.1.2.2.2 bouyer * The AcpiExOpcode* functions are called via the Dispatcher component with 79 1.1.1.2.2.2 bouyer * fully resolved operands. 80 1.1.1.2.2.2 bouyer !*/ 81 1.1.1.2.2.2 bouyer 82 1.1.1.2.2.2 bouyer /******************************************************************************* 83 1.1.1.2.2.2 bouyer * 84 1.1.1.2.2.2 bouyer * FUNCTION: AcpiExOpcode_0A_0T_1R 85 1.1.1.2.2.2 bouyer * 86 1.1.1.2.2.2 bouyer * PARAMETERS: WalkState - Current state (contains AML opcode) 87 1.1.1.2.2.2 bouyer * 88 1.1.1.2.2.2 bouyer * RETURN: Status 89 1.1.1.2.2.2 bouyer * 90 1.1.1.2.2.2 bouyer * DESCRIPTION: Execute operator with no operands, one return value 91 1.1.1.2.2.2 bouyer * 92 1.1.1.2.2.2 bouyer ******************************************************************************/ 93 1.1.1.2.2.2 bouyer 94 1.1.1.2.2.2 bouyer ACPI_STATUS 95 1.1.1.2.2.2 bouyer AcpiExOpcode_0A_0T_1R ( 96 1.1.1.2.2.2 bouyer ACPI_WALK_STATE *WalkState) 97 1.1.1.2.2.2 bouyer { 98 1.1.1.2.2.2 bouyer ACPI_STATUS Status = AE_OK; 99 1.1.1.2.2.2 bouyer ACPI_OPERAND_OBJECT *ReturnDesc = NULL; 100 1.1.1.2.2.2 bouyer 101 1.1.1.2.2.2 bouyer 102 1.1.1.2.2.2 bouyer ACPI_FUNCTION_TRACE_STR (ExOpcode_0A_0T_1R, 103 1.1.1.2.2.2 bouyer AcpiPsGetOpcodeName (WalkState->Opcode)); 104 1.1.1.2.2.2 bouyer 105 1.1.1.2.2.2 bouyer 106 1.1.1.2.2.2 bouyer /* Examine the AML opcode */ 107 1.1.1.2.2.2 bouyer 108 1.1.1.2.2.2 bouyer switch (WalkState->Opcode) 109 1.1.1.2.2.2 bouyer { 110 1.1.1.2.2.2 bouyer case AML_TIMER_OP: /* Timer () */ 111 1.1.1.2.2.2 bouyer 112 1.1.1.2.2.2 bouyer /* Create a return object of type Integer */ 113 1.1.1.2.2.2 bouyer 114 1.1.1.2.2.2 bouyer ReturnDesc = AcpiUtCreateIntegerObject (AcpiOsGetTimer ()); 115 1.1.1.2.2.2 bouyer if (!ReturnDesc) 116 1.1.1.2.2.2 bouyer { 117 1.1.1.2.2.2 bouyer Status = AE_NO_MEMORY; 118 1.1.1.2.2.2 bouyer goto Cleanup; 119 1.1.1.2.2.2 bouyer } 120 1.1.1.2.2.2 bouyer break; 121 1.1.1.2.2.2 bouyer 122 1.1.1.2.2.2 bouyer default: /* Unknown opcode */ 123 1.1.1.2.2.2 bouyer 124 1.1.1.2.2.2 bouyer ACPI_ERROR ((AE_INFO, "Unknown AML opcode 0x%X", 125 1.1.1.2.2.2 bouyer WalkState->Opcode)); 126 1.1.1.2.2.2 bouyer Status = AE_AML_BAD_OPCODE; 127 1.1.1.2.2.2 bouyer break; 128 1.1.1.2.2.2 bouyer } 129 1.1.1.2.2.2 bouyer 130 1.1.1.2.2.2 bouyer Cleanup: 131 1.1.1.2.2.2 bouyer 132 1.1.1.2.2.2 bouyer /* Delete return object on error */ 133 1.1.1.2.2.2 bouyer 134 1.1.1.2.2.2 bouyer if ((ACPI_FAILURE (Status)) || WalkState->ResultObj) 135 1.1.1.2.2.2 bouyer { 136 1.1.1.2.2.2 bouyer AcpiUtRemoveReference (ReturnDesc); 137 1.1.1.2.2.2 bouyer WalkState->ResultObj = NULL; 138 1.1.1.2.2.2 bouyer } 139 1.1.1.2.2.2 bouyer else 140 1.1.1.2.2.2 bouyer { 141 1.1.1.2.2.2 bouyer /* Save the return value */ 142 1.1.1.2.2.2 bouyer 143 1.1.1.2.2.2 bouyer WalkState->ResultObj = ReturnDesc; 144 1.1.1.2.2.2 bouyer } 145 1.1.1.2.2.2 bouyer 146 1.1.1.2.2.2 bouyer return_ACPI_STATUS (Status); 147 1.1.1.2.2.2 bouyer } 148 1.1.1.2.2.2 bouyer 149 1.1.1.2.2.2 bouyer 150 1.1.1.2.2.2 bouyer /******************************************************************************* 151 1.1.1.2.2.2 bouyer * 152 1.1.1.2.2.2 bouyer * FUNCTION: AcpiExOpcode_1A_0T_0R 153 1.1.1.2.2.2 bouyer * 154 1.1.1.2.2.2 bouyer * PARAMETERS: WalkState - Current state (contains AML opcode) 155 1.1.1.2.2.2 bouyer * 156 1.1.1.2.2.2 bouyer * RETURN: Status 157 1.1.1.2.2.2 bouyer * 158 1.1.1.2.2.2 bouyer * DESCRIPTION: Execute Type 1 monadic operator with numeric operand on 159 1.1.1.2.2.2 bouyer * object stack 160 1.1.1.2.2.2 bouyer * 161 1.1.1.2.2.2 bouyer ******************************************************************************/ 162 1.1.1.2.2.2 bouyer 163 1.1.1.2.2.2 bouyer ACPI_STATUS 164 1.1.1.2.2.2 bouyer AcpiExOpcode_1A_0T_0R ( 165 1.1.1.2.2.2 bouyer ACPI_WALK_STATE *WalkState) 166 1.1.1.2.2.2 bouyer { 167 1.1.1.2.2.2 bouyer ACPI_OPERAND_OBJECT **Operand = &WalkState->Operands[0]; 168 1.1.1.2.2.2 bouyer ACPI_STATUS Status = AE_OK; 169 1.1.1.2.2.2 bouyer 170 1.1.1.2.2.2 bouyer 171 1.1.1.2.2.2 bouyer ACPI_FUNCTION_TRACE_STR (ExOpcode_1A_0T_0R, 172 1.1.1.2.2.2 bouyer AcpiPsGetOpcodeName (WalkState->Opcode)); 173 1.1.1.2.2.2 bouyer 174 1.1.1.2.2.2 bouyer 175 1.1.1.2.2.2 bouyer /* Examine the AML opcode */ 176 1.1.1.2.2.2 bouyer 177 1.1.1.2.2.2 bouyer switch (WalkState->Opcode) 178 1.1.1.2.2.2 bouyer { 179 1.1.1.2.2.2 bouyer case AML_RELEASE_OP: /* Release (MutexObject) */ 180 1.1.1.2.2.2 bouyer 181 1.1.1.2.2.2 bouyer Status = AcpiExReleaseMutex (Operand[0], WalkState); 182 1.1.1.2.2.2 bouyer break; 183 1.1.1.2.2.2 bouyer 184 1.1.1.2.2.2 bouyer 185 1.1.1.2.2.2 bouyer case AML_RESET_OP: /* Reset (EventObject) */ 186 1.1.1.2.2.2 bouyer 187 1.1.1.2.2.2 bouyer Status = AcpiExSystemResetEvent (Operand[0]); 188 1.1.1.2.2.2 bouyer break; 189 1.1.1.2.2.2 bouyer 190 1.1.1.2.2.2 bouyer 191 1.1.1.2.2.2 bouyer case AML_SIGNAL_OP: /* Signal (EventObject) */ 192 1.1.1.2.2.2 bouyer 193 1.1.1.2.2.2 bouyer Status = AcpiExSystemSignalEvent (Operand[0]); 194 1.1.1.2.2.2 bouyer break; 195 1.1.1.2.2.2 bouyer 196 1.1.1.2.2.2 bouyer 197 1.1.1.2.2.2 bouyer case AML_SLEEP_OP: /* Sleep (MsecTime) */ 198 1.1.1.2.2.2 bouyer 199 1.1.1.2.2.2 bouyer Status = AcpiExSystemDoSleep (Operand[0]->Integer.Value); 200 1.1.1.2.2.2 bouyer break; 201 1.1.1.2.2.2 bouyer 202 1.1.1.2.2.2 bouyer 203 1.1.1.2.2.2 bouyer case AML_STALL_OP: /* Stall (UsecTime) */ 204 1.1.1.2.2.2 bouyer 205 1.1.1.2.2.2 bouyer Status = AcpiExSystemDoStall ((UINT32) Operand[0]->Integer.Value); 206 1.1.1.2.2.2 bouyer break; 207 1.1.1.2.2.2 bouyer 208 1.1.1.2.2.2 bouyer 209 1.1.1.2.2.2 bouyer case AML_UNLOAD_OP: /* Unload (Handle) */ 210 1.1.1.2.2.2 bouyer 211 1.1.1.2.2.2 bouyer Status = AcpiExUnloadTable (Operand[0]); 212 1.1.1.2.2.2 bouyer break; 213 1.1.1.2.2.2 bouyer 214 1.1.1.2.2.2 bouyer 215 1.1.1.2.2.2 bouyer default: /* Unknown opcode */ 216 1.1.1.2.2.2 bouyer 217 1.1.1.2.2.2 bouyer ACPI_ERROR ((AE_INFO, "Unknown AML opcode 0x%X", 218 1.1.1.2.2.2 bouyer WalkState->Opcode)); 219 1.1.1.2.2.2 bouyer Status = AE_AML_BAD_OPCODE; 220 1.1.1.2.2.2 bouyer break; 221 1.1.1.2.2.2 bouyer } 222 1.1.1.2.2.2 bouyer 223 1.1.1.2.2.2 bouyer return_ACPI_STATUS (Status); 224 1.1.1.2.2.2 bouyer } 225 1.1.1.2.2.2 bouyer 226 1.1.1.2.2.2 bouyer 227 1.1.1.2.2.2 bouyer /******************************************************************************* 228 1.1.1.2.2.2 bouyer * 229 1.1.1.2.2.2 bouyer * FUNCTION: AcpiExOpcode_1A_1T_0R 230 1.1.1.2.2.2 bouyer * 231 1.1.1.2.2.2 bouyer * PARAMETERS: WalkState - Current state (contains AML opcode) 232 1.1.1.2.2.2 bouyer * 233 1.1.1.2.2.2 bouyer * RETURN: Status 234 1.1.1.2.2.2 bouyer * 235 1.1.1.2.2.2 bouyer * DESCRIPTION: Execute opcode with one argument, one target, and no 236 1.1.1.2.2.2 bouyer * return value. 237 1.1.1.2.2.2 bouyer * 238 1.1.1.2.2.2 bouyer ******************************************************************************/ 239 1.1.1.2.2.2 bouyer 240 1.1.1.2.2.2 bouyer ACPI_STATUS 241 1.1.1.2.2.2 bouyer AcpiExOpcode_1A_1T_0R ( 242 1.1.1.2.2.2 bouyer ACPI_WALK_STATE *WalkState) 243 1.1.1.2.2.2 bouyer { 244 1.1.1.2.2.2 bouyer ACPI_STATUS Status = AE_OK; 245 1.1.1.2.2.2 bouyer ACPI_OPERAND_OBJECT **Operand = &WalkState->Operands[0]; 246 1.1.1.2.2.2 bouyer 247 1.1.1.2.2.2 bouyer 248 1.1.1.2.2.2 bouyer ACPI_FUNCTION_TRACE_STR (ExOpcode_1A_1T_0R, 249 1.1.1.2.2.2 bouyer AcpiPsGetOpcodeName (WalkState->Opcode)); 250 1.1.1.2.2.2 bouyer 251 1.1.1.2.2.2 bouyer 252 1.1.1.2.2.2 bouyer /* Examine the AML opcode */ 253 1.1.1.2.2.2 bouyer 254 1.1.1.2.2.2 bouyer switch (WalkState->Opcode) 255 1.1.1.2.2.2 bouyer { 256 1.1.1.2.2.2 bouyer case AML_LOAD_OP: 257 1.1.1.2.2.2 bouyer 258 1.1.1.2.2.2 bouyer Status = AcpiExLoadOp (Operand[0], Operand[1], WalkState); 259 1.1.1.2.2.2 bouyer break; 260 1.1.1.2.2.2 bouyer 261 1.1.1.2.2.2 bouyer default: /* Unknown opcode */ 262 1.1.1.2.2.2 bouyer 263 1.1.1.2.2.2 bouyer ACPI_ERROR ((AE_INFO, "Unknown AML opcode 0x%X", 264 1.1.1.2.2.2 bouyer WalkState->Opcode)); 265 1.1.1.2.2.2 bouyer Status = AE_AML_BAD_OPCODE; 266 1.1.1.2.2.2 bouyer goto Cleanup; 267 1.1.1.2.2.2 bouyer } 268 1.1.1.2.2.2 bouyer 269 1.1.1.2.2.2 bouyer 270 1.1.1.2.2.2 bouyer Cleanup: 271 1.1.1.2.2.2 bouyer 272 1.1.1.2.2.2 bouyer return_ACPI_STATUS (Status); 273 1.1.1.2.2.2 bouyer } 274 1.1.1.2.2.2 bouyer 275 1.1.1.2.2.2 bouyer 276 1.1.1.2.2.2 bouyer /******************************************************************************* 277 1.1.1.2.2.2 bouyer * 278 1.1.1.2.2.2 bouyer * FUNCTION: AcpiExOpcode_1A_1T_1R 279 1.1.1.2.2.2 bouyer * 280 1.1.1.2.2.2 bouyer * PARAMETERS: WalkState - Current state (contains AML opcode) 281 1.1.1.2.2.2 bouyer * 282 1.1.1.2.2.2 bouyer * RETURN: Status 283 1.1.1.2.2.2 bouyer * 284 1.1.1.2.2.2 bouyer * DESCRIPTION: Execute opcode with one argument, one target, and a 285 1.1.1.2.2.2 bouyer * return value. 286 1.1.1.2.2.2 bouyer * 287 1.1.1.2.2.2 bouyer ******************************************************************************/ 288 1.1.1.2.2.2 bouyer 289 1.1.1.2.2.2 bouyer ACPI_STATUS 290 1.1.1.2.2.2 bouyer AcpiExOpcode_1A_1T_1R ( 291 1.1.1.2.2.2 bouyer ACPI_WALK_STATE *WalkState) 292 1.1.1.2.2.2 bouyer { 293 1.1.1.2.2.2 bouyer ACPI_STATUS Status = AE_OK; 294 1.1.1.2.2.2 bouyer ACPI_OPERAND_OBJECT **Operand = &WalkState->Operands[0]; 295 1.1.1.2.2.2 bouyer ACPI_OPERAND_OBJECT *ReturnDesc = NULL; 296 1.1.1.2.2.2 bouyer ACPI_OPERAND_OBJECT *ReturnDesc2 = NULL; 297 1.1.1.2.2.2 bouyer UINT32 Temp32; 298 1.1.1.2.2.2 bouyer UINT32 i; 299 1.1.1.2.2.2 bouyer UINT64 PowerOfTen; 300 1.1.1.2.2.2 bouyer UINT64 Digit; 301 1.1.1.2.2.2 bouyer 302 1.1.1.2.2.2 bouyer 303 1.1.1.2.2.2 bouyer ACPI_FUNCTION_TRACE_STR (ExOpcode_1A_1T_1R, 304 1.1.1.2.2.2 bouyer AcpiPsGetOpcodeName (WalkState->Opcode)); 305 1.1.1.2.2.2 bouyer 306 1.1.1.2.2.2 bouyer 307 1.1.1.2.2.2 bouyer /* Examine the AML opcode */ 308 1.1.1.2.2.2 bouyer 309 1.1.1.2.2.2 bouyer switch (WalkState->Opcode) 310 1.1.1.2.2.2 bouyer { 311 1.1.1.2.2.2 bouyer case AML_BIT_NOT_OP: 312 1.1.1.2.2.2 bouyer case AML_FIND_SET_LEFT_BIT_OP: 313 1.1.1.2.2.2 bouyer case AML_FIND_SET_RIGHT_BIT_OP: 314 1.1.1.2.2.2 bouyer case AML_FROM_BCD_OP: 315 1.1.1.2.2.2 bouyer case AML_TO_BCD_OP: 316 1.1.1.2.2.2 bouyer case AML_COND_REF_OF_OP: 317 1.1.1.2.2.2 bouyer 318 1.1.1.2.2.2 bouyer /* Create a return object of type Integer for these opcodes */ 319 1.1.1.2.2.2 bouyer 320 1.1.1.2.2.2 bouyer ReturnDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER); 321 1.1.1.2.2.2 bouyer if (!ReturnDesc) 322 1.1.1.2.2.2 bouyer { 323 1.1.1.2.2.2 bouyer Status = AE_NO_MEMORY; 324 1.1.1.2.2.2 bouyer goto Cleanup; 325 1.1.1.2.2.2 bouyer } 326 1.1.1.2.2.2 bouyer 327 1.1.1.2.2.2 bouyer switch (WalkState->Opcode) 328 1.1.1.2.2.2 bouyer { 329 1.1.1.2.2.2 bouyer case AML_BIT_NOT_OP: /* Not (Operand, Result) */ 330 1.1.1.2.2.2 bouyer 331 1.1.1.2.2.2 bouyer ReturnDesc->Integer.Value = ~Operand[0]->Integer.Value; 332 1.1.1.2.2.2 bouyer break; 333 1.1.1.2.2.2 bouyer 334 1.1.1.2.2.2 bouyer 335 1.1.1.2.2.2 bouyer case AML_FIND_SET_LEFT_BIT_OP: /* FindSetLeftBit (Operand, Result) */ 336 1.1.1.2.2.2 bouyer 337 1.1.1.2.2.2 bouyer ReturnDesc->Integer.Value = Operand[0]->Integer.Value; 338 1.1.1.2.2.2 bouyer 339 1.1.1.2.2.2 bouyer /* 340 1.1.1.2.2.2 bouyer * Acpi specification describes Integer type as a little 341 1.1.1.2.2.2 bouyer * endian unsigned value, so this boundary condition is valid. 342 1.1.1.2.2.2 bouyer */ 343 1.1.1.2.2.2 bouyer for (Temp32 = 0; ReturnDesc->Integer.Value && 344 1.1.1.2.2.2 bouyer Temp32 < ACPI_INTEGER_BIT_SIZE; ++Temp32) 345 1.1.1.2.2.2 bouyer { 346 1.1.1.2.2.2 bouyer ReturnDesc->Integer.Value >>= 1; 347 1.1.1.2.2.2 bouyer } 348 1.1.1.2.2.2 bouyer 349 1.1.1.2.2.2 bouyer ReturnDesc->Integer.Value = Temp32; 350 1.1.1.2.2.2 bouyer break; 351 1.1.1.2.2.2 bouyer 352 1.1.1.2.2.2 bouyer 353 1.1.1.2.2.2 bouyer case AML_FIND_SET_RIGHT_BIT_OP: /* FindSetRightBit (Operand, Result) */ 354 1.1.1.2.2.2 bouyer 355 1.1.1.2.2.2 bouyer ReturnDesc->Integer.Value = Operand[0]->Integer.Value; 356 1.1.1.2.2.2 bouyer 357 1.1.1.2.2.2 bouyer /* 358 1.1.1.2.2.2 bouyer * The Acpi specification describes Integer type as a little 359 1.1.1.2.2.2 bouyer * endian unsigned value, so this boundary condition is valid. 360 1.1.1.2.2.2 bouyer */ 361 1.1.1.2.2.2 bouyer for (Temp32 = 0; ReturnDesc->Integer.Value && 362 1.1.1.2.2.2 bouyer Temp32 < ACPI_INTEGER_BIT_SIZE; ++Temp32) 363 1.1.1.2.2.2 bouyer { 364 1.1.1.2.2.2 bouyer ReturnDesc->Integer.Value <<= 1; 365 1.1.1.2.2.2 bouyer } 366 1.1.1.2.2.2 bouyer 367 1.1.1.2.2.2 bouyer /* Since the bit position is one-based, subtract from 33 (65) */ 368 1.1.1.2.2.2 bouyer 369 1.1.1.2.2.2 bouyer ReturnDesc->Integer.Value = 370 1.1.1.2.2.2 bouyer Temp32 == 0 ? 0 : (ACPI_INTEGER_BIT_SIZE + 1) - Temp32; 371 1.1.1.2.2.2 bouyer break; 372 1.1.1.2.2.2 bouyer 373 1.1.1.2.2.2 bouyer 374 1.1.1.2.2.2 bouyer case AML_FROM_BCD_OP: /* FromBcd (BCDValue, Result) */ 375 1.1.1.2.2.2 bouyer 376 1.1.1.2.2.2 bouyer /* 377 1.1.1.2.2.2 bouyer * The 64-bit ACPI integer can hold 16 4-bit BCD characters 378 1.1.1.2.2.2 bouyer * (if table is 32-bit, integer can hold 8 BCD characters) 379 1.1.1.2.2.2 bouyer * Convert each 4-bit BCD value 380 1.1.1.2.2.2 bouyer */ 381 1.1.1.2.2.2 bouyer PowerOfTen = 1; 382 1.1.1.2.2.2 bouyer ReturnDesc->Integer.Value = 0; 383 1.1.1.2.2.2 bouyer Digit = Operand[0]->Integer.Value; 384 1.1.1.2.2.2 bouyer 385 1.1.1.2.2.2 bouyer /* Convert each BCD digit (each is one nybble wide) */ 386 1.1.1.2.2.2 bouyer 387 1.1.1.2.2.2 bouyer for (i = 0; (i < AcpiGbl_IntegerNybbleWidth) && (Digit > 0); i++) 388 1.1.1.2.2.2 bouyer { 389 1.1.1.2.2.2 bouyer /* Get the least significant 4-bit BCD digit */ 390 1.1.1.2.2.2 bouyer 391 1.1.1.2.2.2 bouyer Temp32 = ((UINT32) Digit) & 0xF; 392 1.1.1.2.2.2 bouyer 393 1.1.1.2.2.2 bouyer /* Check the range of the digit */ 394 1.1.1.2.2.2 bouyer 395 1.1.1.2.2.2 bouyer if (Temp32 > 9) 396 1.1.1.2.2.2 bouyer { 397 1.1.1.2.2.2 bouyer ACPI_ERROR ((AE_INFO, 398 1.1.1.2.2.2 bouyer "BCD digit too large (not decimal): 0x%X", 399 1.1.1.2.2.2 bouyer Temp32)); 400 1.1.1.2.2.2 bouyer 401 1.1.1.2.2.2 bouyer Status = AE_AML_NUMERIC_OVERFLOW; 402 1.1.1.2.2.2 bouyer goto Cleanup; 403 1.1.1.2.2.2 bouyer } 404 1.1.1.2.2.2 bouyer 405 1.1.1.2.2.2 bouyer /* Sum the digit into the result with the current power of 10 */ 406 1.1.1.2.2.2 bouyer 407 1.1.1.2.2.2 bouyer ReturnDesc->Integer.Value += 408 1.1.1.2.2.2 bouyer (((UINT64) Temp32) * PowerOfTen); 409 1.1.1.2.2.2 bouyer 410 1.1.1.2.2.2 bouyer /* Shift to next BCD digit */ 411 1.1.1.2.2.2 bouyer 412 1.1.1.2.2.2 bouyer Digit >>= 4; 413 1.1.1.2.2.2 bouyer 414 1.1.1.2.2.2 bouyer /* Next power of 10 */ 415 1.1.1.2.2.2 bouyer 416 1.1.1.2.2.2 bouyer PowerOfTen *= 10; 417 1.1.1.2.2.2 bouyer } 418 1.1.1.2.2.2 bouyer break; 419 1.1.1.2.2.2 bouyer 420 1.1.1.2.2.2 bouyer 421 1.1.1.2.2.2 bouyer case AML_TO_BCD_OP: /* ToBcd (Operand, Result) */ 422 1.1.1.2.2.2 bouyer 423 1.1.1.2.2.2 bouyer ReturnDesc->Integer.Value = 0; 424 1.1.1.2.2.2 bouyer Digit = Operand[0]->Integer.Value; 425 1.1.1.2.2.2 bouyer 426 1.1.1.2.2.2 bouyer /* Each BCD digit is one nybble wide */ 427 1.1.1.2.2.2 bouyer 428 1.1.1.2.2.2 bouyer for (i = 0; (i < AcpiGbl_IntegerNybbleWidth) && (Digit > 0); i++) 429 1.1.1.2.2.2 bouyer { 430 1.1.1.2.2.2 bouyer (void) AcpiUtShortDivide (Digit, 10, &Digit, &Temp32); 431 1.1.1.2.2.2 bouyer 432 1.1.1.2.2.2 bouyer /* 433 1.1.1.2.2.2 bouyer * Insert the BCD digit that resides in the 434 1.1.1.2.2.2 bouyer * remainder from above 435 1.1.1.2.2.2 bouyer */ 436 1.1.1.2.2.2 bouyer ReturnDesc->Integer.Value |= 437 1.1.1.2.2.2 bouyer (((UINT64) Temp32) << ACPI_MUL_4 (i)); 438 1.1.1.2.2.2 bouyer } 439 1.1.1.2.2.2 bouyer 440 1.1.1.2.2.2 bouyer /* Overflow if there is any data left in Digit */ 441 1.1.1.2.2.2 bouyer 442 1.1.1.2.2.2 bouyer if (Digit > 0) 443 1.1.1.2.2.2 bouyer { 444 1.1.1.2.2.2 bouyer ACPI_ERROR ((AE_INFO, 445 1.1.1.2.2.2 bouyer "Integer too large to convert to BCD: 0x%8.8X%8.8X", 446 1.1.1.2.2.2 bouyer ACPI_FORMAT_UINT64 (Operand[0]->Integer.Value))); 447 1.1.1.2.2.2 bouyer Status = AE_AML_NUMERIC_OVERFLOW; 448 1.1.1.2.2.2 bouyer goto Cleanup; 449 1.1.1.2.2.2 bouyer } 450 1.1.1.2.2.2 bouyer break; 451 1.1.1.2.2.2 bouyer 452 1.1.1.2.2.2 bouyer 453 1.1.1.2.2.2 bouyer case AML_COND_REF_OF_OP: /* CondRefOf (SourceObject, Result) */ 454 1.1.1.2.2.2 bouyer 455 1.1.1.2.2.2 bouyer /* 456 1.1.1.2.2.2 bouyer * This op is a little strange because the internal return value is 457 1.1.1.2.2.2 bouyer * different than the return value stored in the result descriptor 458 1.1.1.2.2.2 bouyer * (There are really two return values) 459 1.1.1.2.2.2 bouyer */ 460 1.1.1.2.2.2 bouyer if ((ACPI_NAMESPACE_NODE *) Operand[0] == AcpiGbl_RootNode) 461 1.1.1.2.2.2 bouyer { 462 1.1.1.2.2.2 bouyer /* 463 1.1.1.2.2.2 bouyer * This means that the object does not exist in the namespace, 464 1.1.1.2.2.2 bouyer * return FALSE 465 1.1.1.2.2.2 bouyer */ 466 1.1.1.2.2.2 bouyer ReturnDesc->Integer.Value = 0; 467 1.1.1.2.2.2 bouyer goto Cleanup; 468 1.1.1.2.2.2 bouyer } 469 1.1.1.2.2.2 bouyer 470 1.1.1.2.2.2 bouyer /* Get the object reference, store it, and remove our reference */ 471 1.1.1.2.2.2 bouyer 472 1.1.1.2.2.2 bouyer Status = AcpiExGetObjectReference (Operand[0], 473 1.1.1.2.2.2 bouyer &ReturnDesc2, WalkState); 474 1.1.1.2.2.2 bouyer if (ACPI_FAILURE (Status)) 475 1.1.1.2.2.2 bouyer { 476 1.1.1.2.2.2 bouyer goto Cleanup; 477 1.1.1.2.2.2 bouyer } 478 1.1.1.2.2.2 bouyer 479 1.1.1.2.2.2 bouyer Status = AcpiExStore (ReturnDesc2, Operand[1], WalkState); 480 1.1.1.2.2.2 bouyer AcpiUtRemoveReference (ReturnDesc2); 481 1.1.1.2.2.2 bouyer 482 1.1.1.2.2.2 bouyer /* The object exists in the namespace, return TRUE */ 483 1.1.1.2.2.2 bouyer 484 1.1.1.2.2.2 bouyer ReturnDesc->Integer.Value = ACPI_UINT64_MAX; 485 1.1.1.2.2.2 bouyer goto Cleanup; 486 1.1.1.2.2.2 bouyer 487 1.1.1.2.2.2 bouyer 488 1.1.1.2.2.2 bouyer default: 489 1.1.1.2.2.2 bouyer /* No other opcodes get here */ 490 1.1.1.2.2.2 bouyer break; 491 1.1.1.2.2.2 bouyer } 492 1.1.1.2.2.2 bouyer break; 493 1.1.1.2.2.2 bouyer 494 1.1.1.2.2.2 bouyer 495 1.1.1.2.2.2 bouyer case AML_STORE_OP: /* Store (Source, Target) */ 496 1.1.1.2.2.2 bouyer 497 1.1.1.2.2.2 bouyer /* 498 1.1.1.2.2.2 bouyer * A store operand is typically a number, string, buffer or lvalue 499 1.1.1.2.2.2 bouyer * Be careful about deleting the source object, 500 1.1.1.2.2.2 bouyer * since the object itself may have been stored. 501 1.1.1.2.2.2 bouyer */ 502 1.1.1.2.2.2 bouyer Status = AcpiExStore (Operand[0], Operand[1], WalkState); 503 1.1.1.2.2.2 bouyer if (ACPI_FAILURE (Status)) 504 1.1.1.2.2.2 bouyer { 505 1.1.1.2.2.2 bouyer return_ACPI_STATUS (Status); 506 1.1.1.2.2.2 bouyer } 507 1.1.1.2.2.2 bouyer 508 1.1.1.2.2.2 bouyer /* It is possible that the Store already produced a return object */ 509 1.1.1.2.2.2 bouyer 510 1.1.1.2.2.2 bouyer if (!WalkState->ResultObj) 511 1.1.1.2.2.2 bouyer { 512 1.1.1.2.2.2 bouyer /* 513 1.1.1.2.2.2 bouyer * Normally, we would remove a reference on the Operand[0] 514 1.1.1.2.2.2 bouyer * parameter; But since it is being used as the internal return 515 1.1.1.2.2.2 bouyer * object (meaning we would normally increment it), the two 516 1.1.1.2.2.2 bouyer * cancel out, and we simply don't do anything. 517 1.1.1.2.2.2 bouyer */ 518 1.1.1.2.2.2 bouyer WalkState->ResultObj = Operand[0]; 519 1.1.1.2.2.2 bouyer WalkState->Operands[0] = NULL; /* Prevent deletion */ 520 1.1.1.2.2.2 bouyer } 521 1.1.1.2.2.2 bouyer return_ACPI_STATUS (Status); 522 1.1.1.2.2.2 bouyer 523 1.1.1.2.2.2 bouyer 524 1.1.1.2.2.2 bouyer /* 525 1.1.1.2.2.2 bouyer * ACPI 2.0 Opcodes 526 1.1.1.2.2.2 bouyer */ 527 1.1.1.2.2.2 bouyer case AML_COPY_OP: /* Copy (Source, Target) */ 528 1.1.1.2.2.2 bouyer 529 1.1.1.2.2.2 bouyer Status = AcpiUtCopyIobjectToIobject (Operand[0], &ReturnDesc, 530 1.1.1.2.2.2 bouyer WalkState); 531 1.1.1.2.2.2 bouyer break; 532 1.1.1.2.2.2 bouyer 533 1.1.1.2.2.2 bouyer 534 1.1.1.2.2.2 bouyer case AML_TO_DECSTRING_OP: /* ToDecimalString (Data, Result) */ 535 1.1.1.2.2.2 bouyer 536 1.1.1.2.2.2 bouyer Status = AcpiExConvertToString (Operand[0], &ReturnDesc, 537 1.1.1.2.2.2 bouyer ACPI_EXPLICIT_CONVERT_DECIMAL); 538 1.1.1.2.2.2 bouyer if (ReturnDesc == Operand[0]) 539 1.1.1.2.2.2 bouyer { 540 1.1.1.2.2.2 bouyer /* No conversion performed, add ref to handle return value */ 541 1.1.1.2.2.2 bouyer AcpiUtAddReference (ReturnDesc); 542 1.1.1.2.2.2 bouyer } 543 1.1.1.2.2.2 bouyer break; 544 1.1.1.2.2.2 bouyer 545 1.1.1.2.2.2 bouyer 546 1.1.1.2.2.2 bouyer case AML_TO_HEXSTRING_OP: /* ToHexString (Data, Result) */ 547 1.1.1.2.2.2 bouyer 548 1.1.1.2.2.2 bouyer Status = AcpiExConvertToString (Operand[0], &ReturnDesc, 549 1.1.1.2.2.2 bouyer ACPI_EXPLICIT_CONVERT_HEX); 550 1.1.1.2.2.2 bouyer if (ReturnDesc == Operand[0]) 551 1.1.1.2.2.2 bouyer { 552 1.1.1.2.2.2 bouyer /* No conversion performed, add ref to handle return value */ 553 1.1.1.2.2.2 bouyer AcpiUtAddReference (ReturnDesc); 554 1.1.1.2.2.2 bouyer } 555 1.1.1.2.2.2 bouyer break; 556 1.1.1.2.2.2 bouyer 557 1.1.1.2.2.2 bouyer 558 1.1.1.2.2.2 bouyer case AML_TO_BUFFER_OP: /* ToBuffer (Data, Result) */ 559 1.1.1.2.2.2 bouyer 560 1.1.1.2.2.2 bouyer Status = AcpiExConvertToBuffer (Operand[0], &ReturnDesc); 561 1.1.1.2.2.2 bouyer if (ReturnDesc == Operand[0]) 562 1.1.1.2.2.2 bouyer { 563 1.1.1.2.2.2 bouyer /* No conversion performed, add ref to handle return value */ 564 1.1.1.2.2.2 bouyer AcpiUtAddReference (ReturnDesc); 565 1.1.1.2.2.2 bouyer } 566 1.1.1.2.2.2 bouyer break; 567 1.1.1.2.2.2 bouyer 568 1.1.1.2.2.2 bouyer 569 1.1.1.2.2.2 bouyer case AML_TO_INTEGER_OP: /* ToInteger (Data, Result) */ 570 1.1.1.2.2.2 bouyer 571 1.1.1.2.2.2 bouyer Status = AcpiExConvertToInteger (Operand[0], &ReturnDesc, 572 1.1.1.2.2.2 bouyer ACPI_ANY_BASE); 573 1.1.1.2.2.2 bouyer if (ReturnDesc == Operand[0]) 574 1.1.1.2.2.2 bouyer { 575 1.1.1.2.2.2 bouyer /* No conversion performed, add ref to handle return value */ 576 1.1.1.2.2.2 bouyer AcpiUtAddReference (ReturnDesc); 577 1.1.1.2.2.2 bouyer } 578 1.1.1.2.2.2 bouyer break; 579 1.1.1.2.2.2 bouyer 580 1.1.1.2.2.2 bouyer 581 1.1.1.2.2.2 bouyer case AML_SHIFT_LEFT_BIT_OP: /* ShiftLeftBit (Source, BitNum) */ 582 1.1.1.2.2.2 bouyer case AML_SHIFT_RIGHT_BIT_OP: /* ShiftRightBit (Source, BitNum) */ 583 1.1.1.2.2.2 bouyer 584 1.1.1.2.2.2 bouyer /* These are two obsolete opcodes */ 585 1.1.1.2.2.2 bouyer 586 1.1.1.2.2.2 bouyer ACPI_ERROR ((AE_INFO, 587 1.1.1.2.2.2 bouyer "%s is obsolete and not implemented", 588 1.1.1.2.2.2 bouyer AcpiPsGetOpcodeName (WalkState->Opcode))); 589 1.1.1.2.2.2 bouyer Status = AE_SUPPORT; 590 1.1.1.2.2.2 bouyer goto Cleanup; 591 1.1.1.2.2.2 bouyer 592 1.1.1.2.2.2 bouyer 593 1.1.1.2.2.2 bouyer default: /* Unknown opcode */ 594 1.1.1.2.2.2 bouyer 595 1.1.1.2.2.2 bouyer ACPI_ERROR ((AE_INFO, "Unknown AML opcode 0x%X", 596 1.1.1.2.2.2 bouyer WalkState->Opcode)); 597 1.1.1.2.2.2 bouyer Status = AE_AML_BAD_OPCODE; 598 1.1.1.2.2.2 bouyer goto Cleanup; 599 1.1.1.2.2.2 bouyer } 600 1.1.1.2.2.2 bouyer 601 1.1.1.2.2.2 bouyer if (ACPI_SUCCESS (Status)) 602 1.1.1.2.2.2 bouyer { 603 1.1.1.2.2.2 bouyer /* Store the return value computed above into the target object */ 604 1.1.1.2.2.2 bouyer 605 1.1.1.2.2.2 bouyer Status = AcpiExStore (ReturnDesc, Operand[1], WalkState); 606 1.1.1.2.2.2 bouyer } 607 1.1.1.2.2.2 bouyer 608 1.1.1.2.2.2 bouyer 609 1.1.1.2.2.2 bouyer Cleanup: 610 1.1.1.2.2.2 bouyer 611 1.1.1.2.2.2 bouyer /* Delete return object on error */ 612 1.1.1.2.2.2 bouyer 613 1.1.1.2.2.2 bouyer if (ACPI_FAILURE (Status)) 614 1.1.1.2.2.2 bouyer { 615 1.1.1.2.2.2 bouyer AcpiUtRemoveReference (ReturnDesc); 616 1.1.1.2.2.2 bouyer } 617 1.1.1.2.2.2 bouyer 618 1.1.1.2.2.2 bouyer /* Save return object on success */ 619 1.1.1.2.2.2 bouyer 620 1.1.1.2.2.2 bouyer else if (!WalkState->ResultObj) 621 1.1.1.2.2.2 bouyer { 622 1.1.1.2.2.2 bouyer WalkState->ResultObj = ReturnDesc; 623 1.1.1.2.2.2 bouyer } 624 1.1.1.2.2.2 bouyer 625 1.1.1.2.2.2 bouyer return_ACPI_STATUS (Status); 626 1.1.1.2.2.2 bouyer } 627 1.1.1.2.2.2 bouyer 628 1.1.1.2.2.2 bouyer 629 1.1.1.2.2.2 bouyer /******************************************************************************* 630 1.1.1.2.2.2 bouyer * 631 1.1.1.2.2.2 bouyer * FUNCTION: AcpiExOpcode_1A_0T_1R 632 1.1.1.2.2.2 bouyer * 633 1.1.1.2.2.2 bouyer * PARAMETERS: WalkState - Current state (contains AML opcode) 634 1.1.1.2.2.2 bouyer * 635 1.1.1.2.2.2 bouyer * RETURN: Status 636 1.1.1.2.2.2 bouyer * 637 1.1.1.2.2.2 bouyer * DESCRIPTION: Execute opcode with one argument, no target, and a return value 638 1.1.1.2.2.2 bouyer * 639 1.1.1.2.2.2 bouyer ******************************************************************************/ 640 1.1.1.2.2.2 bouyer 641 1.1.1.2.2.2 bouyer ACPI_STATUS 642 1.1.1.2.2.2 bouyer AcpiExOpcode_1A_0T_1R ( 643 1.1.1.2.2.2 bouyer ACPI_WALK_STATE *WalkState) 644 1.1.1.2.2.2 bouyer { 645 1.1.1.2.2.2 bouyer ACPI_OPERAND_OBJECT **Operand = &WalkState->Operands[0]; 646 1.1.1.2.2.2 bouyer ACPI_OPERAND_OBJECT *TempDesc; 647 1.1.1.2.2.2 bouyer ACPI_OPERAND_OBJECT *ReturnDesc = NULL; 648 1.1.1.2.2.2 bouyer ACPI_STATUS Status = AE_OK; 649 1.1.1.2.2.2 bouyer UINT32 Type; 650 1.1.1.2.2.2 bouyer UINT64 Value; 651 1.1.1.2.2.2 bouyer 652 1.1.1.2.2.2 bouyer 653 1.1.1.2.2.2 bouyer ACPI_FUNCTION_TRACE_STR (ExOpcode_1A_0T_1R, 654 1.1.1.2.2.2 bouyer AcpiPsGetOpcodeName (WalkState->Opcode)); 655 1.1.1.2.2.2 bouyer 656 1.1.1.2.2.2 bouyer 657 1.1.1.2.2.2 bouyer /* Examine the AML opcode */ 658 1.1.1.2.2.2 bouyer 659 1.1.1.2.2.2 bouyer switch (WalkState->Opcode) 660 1.1.1.2.2.2 bouyer { 661 1.1.1.2.2.2 bouyer case AML_LNOT_OP: /* LNot (Operand) */ 662 1.1.1.2.2.2 bouyer 663 1.1.1.2.2.2 bouyer ReturnDesc = AcpiUtCreateIntegerObject ((UINT64) 0); 664 1.1.1.2.2.2 bouyer if (!ReturnDesc) 665 1.1.1.2.2.2 bouyer { 666 1.1.1.2.2.2 bouyer Status = AE_NO_MEMORY; 667 1.1.1.2.2.2 bouyer goto Cleanup; 668 1.1.1.2.2.2 bouyer } 669 1.1.1.2.2.2 bouyer 670 1.1.1.2.2.2 bouyer /* 671 1.1.1.2.2.2 bouyer * Set result to ONES (TRUE) if Value == 0. Note: 672 1.1.1.2.2.2 bouyer * ReturnDesc->Integer.Value is initially == 0 (FALSE) from above. 673 1.1.1.2.2.2 bouyer */ 674 1.1.1.2.2.2 bouyer if (!Operand[0]->Integer.Value) 675 1.1.1.2.2.2 bouyer { 676 1.1.1.2.2.2 bouyer ReturnDesc->Integer.Value = ACPI_UINT64_MAX; 677 1.1.1.2.2.2 bouyer } 678 1.1.1.2.2.2 bouyer break; 679 1.1.1.2.2.2 bouyer 680 1.1.1.2.2.2 bouyer 681 1.1.1.2.2.2 bouyer case AML_DECREMENT_OP: /* Decrement (Operand) */ 682 1.1.1.2.2.2 bouyer case AML_INCREMENT_OP: /* Increment (Operand) */ 683 1.1.1.2.2.2 bouyer 684 1.1.1.2.2.2 bouyer /* 685 1.1.1.2.2.2 bouyer * Create a new integer. Can't just get the base integer and 686 1.1.1.2.2.2 bouyer * increment it because it may be an Arg or Field. 687 1.1.1.2.2.2 bouyer */ 688 1.1.1.2.2.2 bouyer ReturnDesc = AcpiUtCreateInternalObject (ACPI_TYPE_INTEGER); 689 1.1.1.2.2.2 bouyer if (!ReturnDesc) 690 1.1.1.2.2.2 bouyer { 691 1.1.1.2.2.2 bouyer Status = AE_NO_MEMORY; 692 1.1.1.2.2.2 bouyer goto Cleanup; 693 1.1.1.2.2.2 bouyer } 694 1.1.1.2.2.2 bouyer 695 1.1.1.2.2.2 bouyer /* 696 1.1.1.2.2.2 bouyer * Since we are expecting a Reference operand, it can be either a 697 1.1.1.2.2.2 bouyer * NS Node or an internal object. 698 1.1.1.2.2.2 bouyer */ 699 1.1.1.2.2.2 bouyer TempDesc = Operand[0]; 700 1.1.1.2.2.2 bouyer if (ACPI_GET_DESCRIPTOR_TYPE (TempDesc) == ACPI_DESC_TYPE_OPERAND) 701 1.1.1.2.2.2 bouyer { 702 1.1.1.2.2.2 bouyer /* Internal reference object - prevent deletion */ 703 1.1.1.2.2.2 bouyer 704 1.1.1.2.2.2 bouyer AcpiUtAddReference (TempDesc); 705 1.1.1.2.2.2 bouyer } 706 1.1.1.2.2.2 bouyer 707 1.1.1.2.2.2 bouyer /* 708 1.1.1.2.2.2 bouyer * Convert the Reference operand to an Integer (This removes a 709 1.1.1.2.2.2 bouyer * reference on the Operand[0] object) 710 1.1.1.2.2.2 bouyer * 711 1.1.1.2.2.2 bouyer * NOTE: We use LNOT_OP here in order to force resolution of the 712 1.1.1.2.2.2 bouyer * reference operand to an actual integer. 713 1.1.1.2.2.2 bouyer */ 714 1.1.1.2.2.2 bouyer Status = AcpiExResolveOperands (AML_LNOT_OP, &TempDesc, WalkState); 715 1.1.1.2.2.2 bouyer if (ACPI_FAILURE (Status)) 716 1.1.1.2.2.2 bouyer { 717 1.1.1.2.2.2 bouyer ACPI_EXCEPTION ((AE_INFO, Status, 718 1.1.1.2.2.2 bouyer "While resolving operands for [%s]", 719 1.1.1.2.2.2 bouyer AcpiPsGetOpcodeName (WalkState->Opcode))); 720 1.1.1.2.2.2 bouyer 721 1.1.1.2.2.2 bouyer goto Cleanup; 722 1.1.1.2.2.2 bouyer } 723 1.1.1.2.2.2 bouyer 724 1.1.1.2.2.2 bouyer /* 725 1.1.1.2.2.2 bouyer * TempDesc is now guaranteed to be an Integer object -- 726 1.1.1.2.2.2 bouyer * Perform the actual increment or decrement 727 1.1.1.2.2.2 bouyer */ 728 1.1.1.2.2.2 bouyer if (WalkState->Opcode == AML_INCREMENT_OP) 729 1.1.1.2.2.2 bouyer { 730 1.1.1.2.2.2 bouyer ReturnDesc->Integer.Value = TempDesc->Integer.Value +1; 731 1.1.1.2.2.2 bouyer } 732 1.1.1.2.2.2 bouyer else 733 1.1.1.2.2.2 bouyer { 734 1.1.1.2.2.2 bouyer ReturnDesc->Integer.Value = TempDesc->Integer.Value -1; 735 1.1.1.2.2.2 bouyer } 736 1.1.1.2.2.2 bouyer 737 1.1.1.2.2.2 bouyer /* Finished with this Integer object */ 738 1.1.1.2.2.2 bouyer 739 1.1.1.2.2.2 bouyer AcpiUtRemoveReference (TempDesc); 740 1.1.1.2.2.2 bouyer 741 1.1.1.2.2.2 bouyer /* 742 1.1.1.2.2.2 bouyer * Store the result back (indirectly) through the original 743 1.1.1.2.2.2 bouyer * Reference object 744 1.1.1.2.2.2 bouyer */ 745 1.1.1.2.2.2 bouyer Status = AcpiExStore (ReturnDesc, Operand[0], WalkState); 746 1.1.1.2.2.2 bouyer break; 747 1.1.1.2.2.2 bouyer 748 1.1.1.2.2.2 bouyer 749 1.1.1.2.2.2 bouyer case AML_TYPE_OP: /* ObjectType (SourceObject) */ 750 1.1.1.2.2.2 bouyer 751 1.1.1.2.2.2 bouyer /* 752 1.1.1.2.2.2 bouyer * Note: The operand is not resolved at this point because we want to 753 1.1.1.2.2.2 bouyer * get the associated object, not its value. For example, we don't 754 1.1.1.2.2.2 bouyer * want to resolve a FieldUnit to its value, we want the actual 755 1.1.1.2.2.2 bouyer * FieldUnit object. 756 1.1.1.2.2.2 bouyer */ 757 1.1.1.2.2.2 bouyer 758 1.1.1.2.2.2 bouyer /* Get the type of the base object */ 759 1.1.1.2.2.2 bouyer 760 1.1.1.2.2.2 bouyer Status = AcpiExResolveMultiple (WalkState, Operand[0], &Type, NULL); 761 1.1.1.2.2.2 bouyer if (ACPI_FAILURE (Status)) 762 1.1.1.2.2.2 bouyer { 763 1.1.1.2.2.2 bouyer goto Cleanup; 764 1.1.1.2.2.2 bouyer } 765 1.1.1.2.2.2 bouyer 766 1.1.1.2.2.2 bouyer /* Allocate a descriptor to hold the type. */ 767 1.1.1.2.2.2 bouyer 768 1.1.1.2.2.2 bouyer ReturnDesc = AcpiUtCreateIntegerObject ((UINT64) Type); 769 1.1.1.2.2.2 bouyer if (!ReturnDesc) 770 1.1.1.2.2.2 bouyer { 771 1.1.1.2.2.2 bouyer Status = AE_NO_MEMORY; 772 1.1.1.2.2.2 bouyer goto Cleanup; 773 1.1.1.2.2.2 bouyer } 774 1.1.1.2.2.2 bouyer break; 775 1.1.1.2.2.2 bouyer 776 1.1.1.2.2.2 bouyer 777 1.1.1.2.2.2 bouyer case AML_SIZE_OF_OP: /* SizeOf (SourceObject) */ 778 1.1.1.2.2.2 bouyer 779 1.1.1.2.2.2 bouyer /* 780 1.1.1.2.2.2 bouyer * Note: The operand is not resolved at this point because we want to 781 1.1.1.2.2.2 bouyer * get the associated object, not its value. 782 1.1.1.2.2.2 bouyer */ 783 1.1.1.2.2.2 bouyer 784 1.1.1.2.2.2 bouyer /* Get the base object */ 785 1.1.1.2.2.2 bouyer 786 1.1.1.2.2.2 bouyer Status = AcpiExResolveMultiple (WalkState, 787 1.1.1.2.2.2 bouyer Operand[0], &Type, &TempDesc); 788 1.1.1.2.2.2 bouyer if (ACPI_FAILURE (Status)) 789 1.1.1.2.2.2 bouyer { 790 1.1.1.2.2.2 bouyer goto Cleanup; 791 1.1.1.2.2.2 bouyer } 792 1.1.1.2.2.2 bouyer 793 1.1.1.2.2.2 bouyer /* 794 1.1.1.2.2.2 bouyer * The type of the base object must be integer, buffer, string, or 795 1.1.1.2.2.2 bouyer * package. All others are not supported. 796 1.1.1.2.2.2 bouyer * 797 1.1.1.2.2.2 bouyer * NOTE: Integer is not specifically supported by the ACPI spec, 798 1.1.1.2.2.2 bouyer * but is supported implicitly via implicit operand conversion. 799 1.1.1.2.2.2 bouyer * rather than bother with conversion, we just use the byte width 800 1.1.1.2.2.2 bouyer * global (4 or 8 bytes). 801 1.1.1.2.2.2 bouyer */ 802 1.1.1.2.2.2 bouyer switch (Type) 803 1.1.1.2.2.2 bouyer { 804 1.1.1.2.2.2 bouyer case ACPI_TYPE_INTEGER: 805 1.1.1.2.2.2 bouyer Value = AcpiGbl_IntegerByteWidth; 806 1.1.1.2.2.2 bouyer break; 807 1.1.1.2.2.2 bouyer 808 1.1.1.2.2.2 bouyer case ACPI_TYPE_STRING: 809 1.1.1.2.2.2 bouyer Value = TempDesc->String.Length; 810 1.1.1.2.2.2 bouyer break; 811 1.1.1.2.2.2 bouyer 812 1.1.1.2.2.2 bouyer case ACPI_TYPE_BUFFER: 813 1.1.1.2.2.2 bouyer 814 1.1.1.2.2.2 bouyer /* Buffer arguments may not be evaluated at this point */ 815 1.1.1.2.2.2 bouyer 816 1.1.1.2.2.2 bouyer Status = AcpiDsGetBufferArguments (TempDesc); 817 1.1.1.2.2.2 bouyer Value = TempDesc->Buffer.Length; 818 1.1.1.2.2.2 bouyer break; 819 1.1.1.2.2.2 bouyer 820 1.1.1.2.2.2 bouyer case ACPI_TYPE_PACKAGE: 821 1.1.1.2.2.2 bouyer 822 1.1.1.2.2.2 bouyer /* Package arguments may not be evaluated at this point */ 823 1.1.1.2.2.2 bouyer 824 1.1.1.2.2.2 bouyer Status = AcpiDsGetPackageArguments (TempDesc); 825 1.1.1.2.2.2 bouyer Value = TempDesc->Package.Count; 826 1.1.1.2.2.2 bouyer break; 827 1.1.1.2.2.2 bouyer 828 1.1.1.2.2.2 bouyer default: 829 1.1.1.2.2.2 bouyer ACPI_ERROR ((AE_INFO, 830 1.1.1.2.2.2 bouyer "Operand must be Buffer/Integer/String/Package - found type %s", 831 1.1.1.2.2.2 bouyer AcpiUtGetTypeName (Type))); 832 1.1.1.2.2.2 bouyer Status = AE_AML_OPERAND_TYPE; 833 1.1.1.2.2.2 bouyer goto Cleanup; 834 1.1.1.2.2.2 bouyer } 835 1.1.1.2.2.2 bouyer 836 1.1.1.2.2.2 bouyer if (ACPI_FAILURE (Status)) 837 1.1.1.2.2.2 bouyer { 838 1.1.1.2.2.2 bouyer goto Cleanup; 839 1.1.1.2.2.2 bouyer } 840 1.1.1.2.2.2 bouyer 841 1.1.1.2.2.2 bouyer /* 842 1.1.1.2.2.2 bouyer * Now that we have the size of the object, create a result 843 1.1.1.2.2.2 bouyer * object to hold the value 844 1.1.1.2.2.2 bouyer */ 845 1.1.1.2.2.2 bouyer ReturnDesc = AcpiUtCreateIntegerObject (Value); 846 1.1.1.2.2.2 bouyer if (!ReturnDesc) 847 1.1.1.2.2.2 bouyer { 848 1.1.1.2.2.2 bouyer Status = AE_NO_MEMORY; 849 1.1.1.2.2.2 bouyer goto Cleanup; 850 1.1.1.2.2.2 bouyer } 851 1.1.1.2.2.2 bouyer break; 852 1.1.1.2.2.2 bouyer 853 1.1.1.2.2.2 bouyer 854 1.1.1.2.2.2 bouyer case AML_REF_OF_OP: /* RefOf (SourceObject) */ 855 1.1.1.2.2.2 bouyer 856 1.1.1.2.2.2 bouyer Status = AcpiExGetObjectReference (Operand[0], &ReturnDesc, WalkState); 857 1.1.1.2.2.2 bouyer if (ACPI_FAILURE (Status)) 858 1.1.1.2.2.2 bouyer { 859 1.1.1.2.2.2 bouyer goto Cleanup; 860 1.1.1.2.2.2 bouyer } 861 1.1.1.2.2.2 bouyer break; 862 1.1.1.2.2.2 bouyer 863 1.1.1.2.2.2 bouyer 864 1.1.1.2.2.2 bouyer case AML_DEREF_OF_OP: /* DerefOf (ObjReference | String) */ 865 1.1.1.2.2.2 bouyer 866 1.1.1.2.2.2 bouyer /* Check for a method local or argument, or standalone String */ 867 1.1.1.2.2.2 bouyer 868 1.1.1.2.2.2 bouyer if (ACPI_GET_DESCRIPTOR_TYPE (Operand[0]) == ACPI_DESC_TYPE_NAMED) 869 1.1.1.2.2.2 bouyer { 870 1.1.1.2.2.2 bouyer TempDesc = AcpiNsGetAttachedObject ( 871 1.1.1.2.2.2 bouyer (ACPI_NAMESPACE_NODE *) Operand[0]); 872 1.1.1.2.2.2 bouyer if (TempDesc && 873 1.1.1.2.2.2 bouyer ((TempDesc->Common.Type == ACPI_TYPE_STRING) || 874 1.1.1.2.2.2 bouyer (TempDesc->Common.Type == ACPI_TYPE_LOCAL_REFERENCE))) 875 1.1.1.2.2.2 bouyer { 876 1.1.1.2.2.2 bouyer Operand[0] = TempDesc; 877 1.1.1.2.2.2 bouyer AcpiUtAddReference (TempDesc); 878 1.1.1.2.2.2 bouyer } 879 1.1.1.2.2.2 bouyer else 880 1.1.1.2.2.2 bouyer { 881 1.1.1.2.2.2 bouyer Status = AE_AML_OPERAND_TYPE; 882 1.1.1.2.2.2 bouyer goto Cleanup; 883 1.1.1.2.2.2 bouyer } 884 1.1.1.2.2.2 bouyer } 885 1.1.1.2.2.2 bouyer else 886 1.1.1.2.2.2 bouyer { 887 1.1.1.2.2.2 bouyer switch ((Operand[0])->Common.Type) 888 1.1.1.2.2.2 bouyer { 889 1.1.1.2.2.2 bouyer case ACPI_TYPE_LOCAL_REFERENCE: 890 1.1.1.2.2.2 bouyer /* 891 1.1.1.2.2.2 bouyer * This is a DerefOf (LocalX | ArgX) 892 1.1.1.2.2.2 bouyer * 893 1.1.1.2.2.2 bouyer * Must resolve/dereference the local/arg reference first 894 1.1.1.2.2.2 bouyer */ 895 1.1.1.2.2.2 bouyer switch (Operand[0]->Reference.Class) 896 1.1.1.2.2.2 bouyer { 897 1.1.1.2.2.2 bouyer case ACPI_REFCLASS_LOCAL: 898 1.1.1.2.2.2 bouyer case ACPI_REFCLASS_ARG: 899 1.1.1.2.2.2 bouyer 900 1.1.1.2.2.2 bouyer /* Set Operand[0] to the value of the local/arg */ 901 1.1.1.2.2.2 bouyer 902 1.1.1.2.2.2 bouyer Status = AcpiDsMethodDataGetValue ( 903 1.1.1.2.2.2 bouyer Operand[0]->Reference.Class, 904 1.1.1.2.2.2 bouyer Operand[0]->Reference.Value, 905 1.1.1.2.2.2 bouyer WalkState, &TempDesc); 906 1.1.1.2.2.2 bouyer if (ACPI_FAILURE (Status)) 907 1.1.1.2.2.2 bouyer { 908 1.1.1.2.2.2 bouyer goto Cleanup; 909 1.1.1.2.2.2 bouyer } 910 1.1.1.2.2.2 bouyer 911 1.1.1.2.2.2 bouyer /* 912 1.1.1.2.2.2 bouyer * Delete our reference to the input object and 913 1.1.1.2.2.2 bouyer * point to the object just retrieved 914 1.1.1.2.2.2 bouyer */ 915 1.1.1.2.2.2 bouyer AcpiUtRemoveReference (Operand[0]); 916 1.1.1.2.2.2 bouyer Operand[0] = TempDesc; 917 1.1.1.2.2.2 bouyer break; 918 1.1.1.2.2.2 bouyer 919 1.1.1.2.2.2 bouyer case ACPI_REFCLASS_REFOF: 920 1.1.1.2.2.2 bouyer 921 1.1.1.2.2.2 bouyer /* Get the object to which the reference refers */ 922 1.1.1.2.2.2 bouyer 923 1.1.1.2.2.2 bouyer TempDesc = Operand[0]->Reference.Object; 924 1.1.1.2.2.2 bouyer AcpiUtRemoveReference (Operand[0]); 925 1.1.1.2.2.2 bouyer Operand[0] = TempDesc; 926 1.1.1.2.2.2 bouyer break; 927 1.1.1.2.2.2 bouyer 928 1.1.1.2.2.2 bouyer default: 929 1.1.1.2.2.2 bouyer 930 1.1.1.2.2.2 bouyer /* Must be an Index op - handled below */ 931 1.1.1.2.2.2 bouyer break; 932 1.1.1.2.2.2 bouyer } 933 1.1.1.2.2.2 bouyer break; 934 1.1.1.2.2.2 bouyer 935 1.1.1.2.2.2 bouyer case ACPI_TYPE_STRING: 936 1.1.1.2.2.2 bouyer break; 937 1.1.1.2.2.2 bouyer 938 1.1.1.2.2.2 bouyer default: 939 1.1.1.2.2.2 bouyer Status = AE_AML_OPERAND_TYPE; 940 1.1.1.2.2.2 bouyer goto Cleanup; 941 1.1.1.2.2.2 bouyer } 942 1.1.1.2.2.2 bouyer } 943 1.1.1.2.2.2 bouyer 944 1.1.1.2.2.2 bouyer if (ACPI_GET_DESCRIPTOR_TYPE (Operand[0]) != ACPI_DESC_TYPE_NAMED) 945 1.1.1.2.2.2 bouyer { 946 1.1.1.2.2.2 bouyer if ((Operand[0])->Common.Type == ACPI_TYPE_STRING) 947 1.1.1.2.2.2 bouyer { 948 1.1.1.2.2.2 bouyer /* 949 1.1.1.2.2.2 bouyer * This is a DerefOf (String). The string is a reference 950 1.1.1.2.2.2 bouyer * to a named ACPI object. 951 1.1.1.2.2.2 bouyer * 952 1.1.1.2.2.2 bouyer * 1) Find the owning Node 953 1.1.1.2.2.2 bouyer * 2) Dereference the node to an actual object. Could be a 954 1.1.1.2.2.2 bouyer * Field, so we need to resolve the node to a value. 955 1.1.1.2.2.2 bouyer */ 956 1.1.1.2.2.2 bouyer Status = AcpiNsGetNode (WalkState->ScopeInfo->Scope.Node, 957 1.1.1.2.2.2 bouyer Operand[0]->String.Pointer, 958 1.1.1.2.2.2 bouyer ACPI_NS_SEARCH_PARENT, 959 1.1.1.2.2.2 bouyer ACPI_CAST_INDIRECT_PTR ( 960 1.1.1.2.2.2 bouyer ACPI_NAMESPACE_NODE, &ReturnDesc)); 961 1.1.1.2.2.2 bouyer if (ACPI_FAILURE (Status)) 962 1.1.1.2.2.2 bouyer { 963 1.1.1.2.2.2 bouyer goto Cleanup; 964 1.1.1.2.2.2 bouyer } 965 1.1.1.2.2.2 bouyer 966 1.1.1.2.2.2 bouyer Status = AcpiExResolveNodeToValue ( 967 1.1.1.2.2.2 bouyer ACPI_CAST_INDIRECT_PTR ( 968 1.1.1.2.2.2 bouyer ACPI_NAMESPACE_NODE, &ReturnDesc), 969 1.1.1.2.2.2 bouyer WalkState); 970 1.1.1.2.2.2 bouyer goto Cleanup; 971 1.1.1.2.2.2 bouyer } 972 1.1.1.2.2.2 bouyer } 973 1.1.1.2.2.2 bouyer 974 1.1.1.2.2.2 bouyer /* Operand[0] may have changed from the code above */ 975 1.1.1.2.2.2 bouyer 976 1.1.1.2.2.2 bouyer if (ACPI_GET_DESCRIPTOR_TYPE (Operand[0]) == ACPI_DESC_TYPE_NAMED) 977 1.1.1.2.2.2 bouyer { 978 1.1.1.2.2.2 bouyer /* 979 1.1.1.2.2.2 bouyer * This is a DerefOf (ObjectReference) 980 1.1.1.2.2.2 bouyer * Get the actual object from the Node (This is the dereference). 981 1.1.1.2.2.2 bouyer * This case may only happen when a LocalX or ArgX is 982 1.1.1.2.2.2 bouyer * dereferenced above. 983 1.1.1.2.2.2 bouyer */ 984 1.1.1.2.2.2 bouyer ReturnDesc = AcpiNsGetAttachedObject ( 985 1.1.1.2.2.2 bouyer (ACPI_NAMESPACE_NODE *) Operand[0]); 986 1.1.1.2.2.2 bouyer AcpiUtAddReference (ReturnDesc); 987 1.1.1.2.2.2 bouyer } 988 1.1.1.2.2.2 bouyer else 989 1.1.1.2.2.2 bouyer { 990 1.1.1.2.2.2 bouyer /* 991 1.1.1.2.2.2 bouyer * This must be a reference object produced by either the 992 1.1.1.2.2.2 bouyer * Index() or RefOf() operator 993 1.1.1.2.2.2 bouyer */ 994 1.1.1.2.2.2 bouyer switch (Operand[0]->Reference.Class) 995 1.1.1.2.2.2 bouyer { 996 1.1.1.2.2.2 bouyer case ACPI_REFCLASS_INDEX: 997 1.1.1.2.2.2 bouyer 998 1.1.1.2.2.2 bouyer /* 999 1.1.1.2.2.2 bouyer * The target type for the Index operator must be 1000 1.1.1.2.2.2 bouyer * either a Buffer or a Package 1001 1.1.1.2.2.2 bouyer */ 1002 1.1.1.2.2.2 bouyer switch (Operand[0]->Reference.TargetType) 1003 1.1.1.2.2.2 bouyer { 1004 1.1.1.2.2.2 bouyer case ACPI_TYPE_BUFFER_FIELD: 1005 1.1.1.2.2.2 bouyer 1006 1.1.1.2.2.2 bouyer TempDesc = Operand[0]->Reference.Object; 1007 1.1.1.2.2.2 bouyer 1008 1.1.1.2.2.2 bouyer /* 1009 1.1.1.2.2.2 bouyer * Create a new object that contains one element of the 1010 1.1.1.2.2.2 bouyer * buffer -- the element pointed to by the index. 1011 1.1.1.2.2.2 bouyer * 1012 1.1.1.2.2.2 bouyer * NOTE: index into a buffer is NOT a pointer to a 1013 1.1.1.2.2.2 bouyer * sub-buffer of the main buffer, it is only a pointer to a 1014 1.1.1.2.2.2 bouyer * single element (byte) of the buffer! 1015 1.1.1.2.2.2 bouyer * 1016 1.1.1.2.2.2 bouyer * Since we are returning the value of the buffer at the 1017 1.1.1.2.2.2 bouyer * indexed location, we don't need to add an additional 1018 1.1.1.2.2.2 bouyer * reference to the buffer itself. 1019 1.1.1.2.2.2 bouyer */ 1020 1.1.1.2.2.2 bouyer ReturnDesc = AcpiUtCreateIntegerObject ((UINT64) 1021 1.1.1.2.2.2 bouyer TempDesc->Buffer.Pointer[Operand[0]->Reference.Value]); 1022 1.1.1.2.2.2 bouyer if (!ReturnDesc) 1023 1.1.1.2.2.2 bouyer { 1024 1.1.1.2.2.2 bouyer Status = AE_NO_MEMORY; 1025 1.1.1.2.2.2 bouyer goto Cleanup; 1026 1.1.1.2.2.2 bouyer } 1027 1.1.1.2.2.2 bouyer break; 1028 1.1.1.2.2.2 bouyer 1029 1.1.1.2.2.2 bouyer 1030 1.1.1.2.2.2 bouyer case ACPI_TYPE_PACKAGE: 1031 1.1.1.2.2.2 bouyer 1032 1.1.1.2.2.2 bouyer /* 1033 1.1.1.2.2.2 bouyer * Return the referenced element of the package. We must 1034 1.1.1.2.2.2 bouyer * add another reference to the referenced object, however. 1035 1.1.1.2.2.2 bouyer */ 1036 1.1.1.2.2.2 bouyer ReturnDesc = *(Operand[0]->Reference.Where); 1037 1.1.1.2.2.2 bouyer if (ReturnDesc) 1038 1.1.1.2.2.2 bouyer { 1039 1.1.1.2.2.2 bouyer AcpiUtAddReference (ReturnDesc); 1040 1.1.1.2.2.2 bouyer } 1041 1.1.1.2.2.2 bouyer break; 1042 1.1.1.2.2.2 bouyer 1043 1.1.1.2.2.2 bouyer 1044 1.1.1.2.2.2 bouyer default: 1045 1.1.1.2.2.2 bouyer 1046 1.1.1.2.2.2 bouyer ACPI_ERROR ((AE_INFO, 1047 1.1.1.2.2.2 bouyer "Unknown Index TargetType 0x%X in reference object %p", 1048 1.1.1.2.2.2 bouyer Operand[0]->Reference.TargetType, Operand[0])); 1049 1.1.1.2.2.2 bouyer Status = AE_AML_OPERAND_TYPE; 1050 1.1.1.2.2.2 bouyer goto Cleanup; 1051 1.1.1.2.2.2 bouyer } 1052 1.1.1.2.2.2 bouyer break; 1053 1.1.1.2.2.2 bouyer 1054 1.1.1.2.2.2 bouyer 1055 1.1.1.2.2.2 bouyer case ACPI_REFCLASS_REFOF: 1056 1.1.1.2.2.2 bouyer 1057 1.1.1.2.2.2 bouyer ReturnDesc = Operand[0]->Reference.Object; 1058 1.1.1.2.2.2 bouyer 1059 1.1.1.2.2.2 bouyer if (ACPI_GET_DESCRIPTOR_TYPE (ReturnDesc) == 1060 1.1.1.2.2.2 bouyer ACPI_DESC_TYPE_NAMED) 1061 1.1.1.2.2.2 bouyer { 1062 1.1.1.2.2.2 bouyer ReturnDesc = AcpiNsGetAttachedObject ( 1063 1.1.1.2.2.2 bouyer (ACPI_NAMESPACE_NODE *) ReturnDesc); 1064 1.1.1.2.2.2 bouyer } 1065 1.1.1.2.2.2 bouyer 1066 1.1.1.2.2.2 bouyer /* Add another reference to the object! */ 1067 1.1.1.2.2.2 bouyer 1068 1.1.1.2.2.2 bouyer AcpiUtAddReference (ReturnDesc); 1069 1.1.1.2.2.2 bouyer break; 1070 1.1.1.2.2.2 bouyer 1071 1.1.1.2.2.2 bouyer 1072 1.1.1.2.2.2 bouyer default: 1073 1.1.1.2.2.2 bouyer ACPI_ERROR ((AE_INFO, 1074 1.1.1.2.2.2 bouyer "Unknown class in reference(%p) - 0x%2.2X", 1075 1.1.1.2.2.2 bouyer Operand[0], Operand[0]->Reference.Class)); 1076 1.1.1.2.2.2 bouyer 1077 1.1.1.2.2.2 bouyer Status = AE_TYPE; 1078 1.1.1.2.2.2 bouyer goto Cleanup; 1079 1.1.1.2.2.2 bouyer } 1080 1.1.1.2.2.2 bouyer } 1081 1.1.1.2.2.2 bouyer break; 1082 1.1.1.2.2.2 bouyer 1083 1.1.1.2.2.2 bouyer 1084 1.1.1.2.2.2 bouyer default: 1085 1.1.1.2.2.2 bouyer 1086 1.1.1.2.2.2 bouyer ACPI_ERROR ((AE_INFO, "Unknown AML opcode 0x%X", 1087 1.1.1.2.2.2 bouyer WalkState->Opcode)); 1088 1.1.1.2.2.2 bouyer Status = AE_AML_BAD_OPCODE; 1089 1.1.1.2.2.2 bouyer goto Cleanup; 1090 1.1.1.2.2.2 bouyer } 1091 1.1.1.2.2.2 bouyer 1092 1.1.1.2.2.2 bouyer 1093 1.1.1.2.2.2 bouyer Cleanup: 1094 1.1.1.2.2.2 bouyer 1095 1.1.1.2.2.2 bouyer /* Delete return object on error */ 1096 1.1.1.2.2.2 bouyer 1097 1.1.1.2.2.2 bouyer if (ACPI_FAILURE (Status)) 1098 1.1.1.2.2.2 bouyer { 1099 1.1.1.2.2.2 bouyer AcpiUtRemoveReference (ReturnDesc); 1100 1.1.1.2.2.2 bouyer } 1101 1.1.1.2.2.2 bouyer 1102 1.1.1.2.2.2 bouyer /* Save return object on success */ 1103 1.1.1.2.2.2 bouyer 1104 1.1.1.2.2.2 bouyer else 1105 1.1.1.2.2.2 bouyer { 1106 1.1.1.2.2.2 bouyer WalkState->ResultObj = ReturnDesc; 1107 1.1.1.2.2.2 bouyer } 1108 1.1.1.2.2.2 bouyer 1109 1.1.1.2.2.2 bouyer return_ACPI_STATUS (Status); 1110 1.1.1.2.2.2 bouyer } 1111 1.1.1.2.2.2 bouyer 1112
Indexes created Sun Oct 19 19:09:49 GMT 2025