utdelete.c revision 1.1.1.2.8.2
1 1.1.1.2.8.2 jruoho /******************************************************************************* 2 1.1.1.2.8.2 jruoho * 3 1.1.1.2.8.2 jruoho * Module Name: utdelete - object deletion and reference count utilities 4 1.1.1.2.8.2 jruoho * 5 1.1.1.2.8.2 jruoho ******************************************************************************/ 6 1.1.1.2.8.2 jruoho 7 1.1.1.2.8.2 jruoho /* 8 1.1.1.2.8.2 jruoho * Copyright (C) 2000 - 2011, Intel Corp. 9 1.1.1.2.8.2 jruoho * All rights reserved. 10 1.1.1.2.8.2 jruoho * 11 1.1.1.2.8.2 jruoho * Redistribution and use in source and binary forms, with or without 12 1.1.1.2.8.2 jruoho * modification, are permitted provided that the following conditions 13 1.1.1.2.8.2 jruoho * are met: 14 1.1.1.2.8.2 jruoho * 1. Redistributions of source code must retain the above copyright 15 1.1.1.2.8.2 jruoho * notice, this list of conditions, and the following disclaimer, 16 1.1.1.2.8.2 jruoho * without modification. 17 1.1.1.2.8.2 jruoho * 2. Redistributions in binary form must reproduce at minimum a disclaimer 18 1.1.1.2.8.2 jruoho * substantially similar to the "NO WARRANTY" disclaimer below 19 1.1.1.2.8.2 jruoho * ("Disclaimer") and any redistribution must be conditioned upon 20 1.1.1.2.8.2 jruoho * including a substantially similar Disclaimer requirement for further 21 1.1.1.2.8.2 jruoho * binary redistribution. 22 1.1.1.2.8.2 jruoho * 3. Neither the names of the above-listed copyright holders nor the names 23 1.1.1.2.8.2 jruoho * of any contributors may be used to endorse or promote products derived 24 1.1.1.2.8.2 jruoho * from this software without specific prior written permission. 25 1.1.1.2.8.2 jruoho * 26 1.1.1.2.8.2 jruoho * Alternatively, this software may be distributed under the terms of the 27 1.1.1.2.8.2 jruoho * GNU General Public License ("GPL") version 2 as published by the Free 28 1.1.1.2.8.2 jruoho * Software Foundation. 29 1.1.1.2.8.2 jruoho * 30 1.1.1.2.8.2 jruoho * NO WARRANTY 31 1.1.1.2.8.2 jruoho * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 32 1.1.1.2.8.2 jruoho * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 33 1.1.1.2.8.2 jruoho * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 34 1.1.1.2.8.2 jruoho * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 35 1.1.1.2.8.2 jruoho * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 36 1.1.1.2.8.2 jruoho * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 37 1.1.1.2.8.2 jruoho * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 38 1.1.1.2.8.2 jruoho * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 39 1.1.1.2.8.2 jruoho * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 40 1.1.1.2.8.2 jruoho * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 41 1.1.1.2.8.2 jruoho * POSSIBILITY OF SUCH DAMAGES. 42 1.1.1.2.8.2 jruoho */ 43 1.1.1.2.8.2 jruoho 44 1.1.1.2.8.2 jruoho #define __UTDELETE_C__ 45 1.1.1.2.8.2 jruoho 46 1.1.1.2.8.2 jruoho #include "acpi.h" 47 1.1.1.2.8.2 jruoho #include "accommon.h" 48 1.1.1.2.8.2 jruoho #include "acinterp.h" 49 1.1.1.2.8.2 jruoho #include "acnamesp.h" 50 1.1.1.2.8.2 jruoho #include "acevents.h" 51 1.1.1.2.8.2 jruoho 52 1.1.1.2.8.2 jruoho 53 1.1.1.2.8.2 jruoho #define _COMPONENT ACPI_UTILITIES 54 1.1.1.2.8.2 jruoho ACPI_MODULE_NAME ("utdelete") 55 1.1.1.2.8.2 jruoho 56 1.1.1.2.8.2 jruoho /* Local prototypes */ 57 1.1.1.2.8.2 jruoho 58 1.1.1.2.8.2 jruoho static void 59 1.1.1.2.8.2 jruoho AcpiUtDeleteInternalObj ( 60 1.1.1.2.8.2 jruoho ACPI_OPERAND_OBJECT *Object); 61 1.1.1.2.8.2 jruoho 62 1.1.1.2.8.2 jruoho static void 63 1.1.1.2.8.2 jruoho AcpiUtUpdateRefCount ( 64 1.1.1.2.8.2 jruoho ACPI_OPERAND_OBJECT *Object, 65 1.1.1.2.8.2 jruoho UINT32 Action); 66 1.1.1.2.8.2 jruoho 67 1.1.1.2.8.2 jruoho 68 1.1.1.2.8.2 jruoho /******************************************************************************* 69 1.1.1.2.8.2 jruoho * 70 1.1.1.2.8.2 jruoho * FUNCTION: AcpiUtDeleteInternalObj 71 1.1.1.2.8.2 jruoho * 72 1.1.1.2.8.2 jruoho * PARAMETERS: Object - Object to be deleted 73 1.1.1.2.8.2 jruoho * 74 1.1.1.2.8.2 jruoho * RETURN: None 75 1.1.1.2.8.2 jruoho * 76 1.1.1.2.8.2 jruoho * DESCRIPTION: Low level object deletion, after reference counts have been 77 1.1.1.2.8.2 jruoho * updated (All reference counts, including sub-objects!) 78 1.1.1.2.8.2 jruoho * 79 1.1.1.2.8.2 jruoho ******************************************************************************/ 80 1.1.1.2.8.2 jruoho 81 1.1.1.2.8.2 jruoho static void 82 1.1.1.2.8.2 jruoho AcpiUtDeleteInternalObj ( 83 1.1.1.2.8.2 jruoho ACPI_OPERAND_OBJECT *Object) 84 1.1.1.2.8.2 jruoho { 85 1.1.1.2.8.2 jruoho void *ObjPointer = NULL; 86 1.1.1.2.8.2 jruoho ACPI_OPERAND_OBJECT *HandlerDesc; 87 1.1.1.2.8.2 jruoho ACPI_OPERAND_OBJECT *SecondDesc; 88 1.1.1.2.8.2 jruoho ACPI_OPERAND_OBJECT *NextDesc; 89 1.1.1.2.8.2 jruoho ACPI_OPERAND_OBJECT **LastObjPtr; 90 1.1.1.2.8.2 jruoho 91 1.1.1.2.8.2 jruoho 92 1.1.1.2.8.2 jruoho ACPI_FUNCTION_TRACE_PTR (UtDeleteInternalObj, Object); 93 1.1.1.2.8.2 jruoho 94 1.1.1.2.8.2 jruoho 95 1.1.1.2.8.2 jruoho if (!Object) 96 1.1.1.2.8.2 jruoho { 97 1.1.1.2.8.2 jruoho return_VOID; 98 1.1.1.2.8.2 jruoho } 99 1.1.1.2.8.2 jruoho 100 1.1.1.2.8.2 jruoho /* 101 1.1.1.2.8.2 jruoho * Must delete or free any pointers within the object that are not 102 1.1.1.2.8.2 jruoho * actual ACPI objects (for example, a raw buffer pointer). 103 1.1.1.2.8.2 jruoho */ 104 1.1.1.2.8.2 jruoho switch (Object->Common.Type) 105 1.1.1.2.8.2 jruoho { 106 1.1.1.2.8.2 jruoho case ACPI_TYPE_STRING: 107 1.1.1.2.8.2 jruoho 108 1.1.1.2.8.2 jruoho ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "**** String %p, ptr %p\n", 109 1.1.1.2.8.2 jruoho Object, Object->String.Pointer)); 110 1.1.1.2.8.2 jruoho 111 1.1.1.2.8.2 jruoho /* Free the actual string buffer */ 112 1.1.1.2.8.2 jruoho 113 1.1.1.2.8.2 jruoho if (!(Object->Common.Flags & AOPOBJ_STATIC_POINTER)) 114 1.1.1.2.8.2 jruoho { 115 1.1.1.2.8.2 jruoho /* But only if it is NOT a pointer into an ACPI table */ 116 1.1.1.2.8.2 jruoho 117 1.1.1.2.8.2 jruoho ObjPointer = Object->String.Pointer; 118 1.1.1.2.8.2 jruoho } 119 1.1.1.2.8.2 jruoho break; 120 1.1.1.2.8.2 jruoho 121 1.1.1.2.8.2 jruoho 122 1.1.1.2.8.2 jruoho case ACPI_TYPE_BUFFER: 123 1.1.1.2.8.2 jruoho 124 1.1.1.2.8.2 jruoho ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "**** Buffer %p, ptr %p\n", 125 1.1.1.2.8.2 jruoho Object, Object->Buffer.Pointer)); 126 1.1.1.2.8.2 jruoho 127 1.1.1.2.8.2 jruoho /* Free the actual buffer */ 128 1.1.1.2.8.2 jruoho 129 1.1.1.2.8.2 jruoho if (!(Object->Common.Flags & AOPOBJ_STATIC_POINTER)) 130 1.1.1.2.8.2 jruoho { 131 1.1.1.2.8.2 jruoho /* But only if it is NOT a pointer into an ACPI table */ 132 1.1.1.2.8.2 jruoho 133 1.1.1.2.8.2 jruoho ObjPointer = Object->Buffer.Pointer; 134 1.1.1.2.8.2 jruoho } 135 1.1.1.2.8.2 jruoho break; 136 1.1.1.2.8.2 jruoho 137 1.1.1.2.8.2 jruoho 138 1.1.1.2.8.2 jruoho case ACPI_TYPE_PACKAGE: 139 1.1.1.2.8.2 jruoho 140 1.1.1.2.8.2 jruoho ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, " **** Package of count %X\n", 141 1.1.1.2.8.2 jruoho Object->Package.Count)); 142 1.1.1.2.8.2 jruoho 143 1.1.1.2.8.2 jruoho /* 144 1.1.1.2.8.2 jruoho * Elements of the package are not handled here, they are deleted 145 1.1.1.2.8.2 jruoho * separately 146 1.1.1.2.8.2 jruoho */ 147 1.1.1.2.8.2 jruoho 148 1.1.1.2.8.2 jruoho /* Free the (variable length) element pointer array */ 149 1.1.1.2.8.2 jruoho 150 1.1.1.2.8.2 jruoho ObjPointer = Object->Package.Elements; 151 1.1.1.2.8.2 jruoho break; 152 1.1.1.2.8.2 jruoho 153 1.1.1.2.8.2 jruoho 154 1.1.1.2.8.2 jruoho /* 155 1.1.1.2.8.2 jruoho * These objects have a possible list of notify handlers. 156 1.1.1.2.8.2 jruoho * Device object also may have a GPE block. 157 1.1.1.2.8.2 jruoho */ 158 1.1.1.2.8.2 jruoho case ACPI_TYPE_DEVICE: 159 1.1.1.2.8.2 jruoho 160 1.1.1.2.8.2 jruoho if (Object->Device.GpeBlock) 161 1.1.1.2.8.2 jruoho { 162 1.1.1.2.8.2 jruoho (void) AcpiEvDeleteGpeBlock (Object->Device.GpeBlock); 163 1.1.1.2.8.2 jruoho } 164 1.1.1.2.8.2 jruoho 165 1.1.1.2.8.2 jruoho /*lint -fallthrough */ 166 1.1.1.2.8.2 jruoho 167 1.1.1.2.8.2 jruoho case ACPI_TYPE_PROCESSOR: 168 1.1.1.2.8.2 jruoho case ACPI_TYPE_THERMAL: 169 1.1.1.2.8.2 jruoho 170 1.1.1.2.8.2 jruoho /* Walk the notify handler list for this object */ 171 1.1.1.2.8.2 jruoho 172 1.1.1.2.8.2 jruoho HandlerDesc = Object->CommonNotify.Handler; 173 1.1.1.2.8.2 jruoho while (HandlerDesc) 174 1.1.1.2.8.2 jruoho { 175 1.1.1.2.8.2 jruoho NextDesc = HandlerDesc->AddressSpace.Next; 176 1.1.1.2.8.2 jruoho AcpiUtRemoveReference (HandlerDesc); 177 1.1.1.2.8.2 jruoho HandlerDesc = NextDesc; 178 1.1.1.2.8.2 jruoho } 179 1.1.1.2.8.2 jruoho break; 180 1.1.1.2.8.2 jruoho 181 1.1.1.2.8.2 jruoho 182 1.1.1.2.8.2 jruoho case ACPI_TYPE_MUTEX: 183 1.1.1.2.8.2 jruoho 184 1.1.1.2.8.2 jruoho ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, 185 1.1.1.2.8.2 jruoho "***** Mutex %p, OS Mutex %p\n", 186 1.1.1.2.8.2 jruoho Object, Object->Mutex.OsMutex)); 187 1.1.1.2.8.2 jruoho 188 1.1.1.2.8.2 jruoho if (Object == AcpiGbl_GlobalLockMutex) 189 1.1.1.2.8.2 jruoho { 190 1.1.1.2.8.2 jruoho /* Global Lock has extra semaphore */ 191 1.1.1.2.8.2 jruoho 192 1.1.1.2.8.2 jruoho (void) AcpiOsDeleteSemaphore (AcpiGbl_GlobalLockSemaphore); 193 1.1.1.2.8.2 jruoho AcpiGbl_GlobalLockSemaphore = NULL; 194 1.1.1.2.8.2 jruoho 195 1.1.1.2.8.2 jruoho AcpiOsDeleteMutex (Object->Mutex.OsMutex); 196 1.1.1.2.8.2 jruoho AcpiGbl_GlobalLockMutex = NULL; 197 1.1.1.2.8.2 jruoho } 198 1.1.1.2.8.2 jruoho else 199 1.1.1.2.8.2 jruoho { 200 1.1.1.2.8.2 jruoho AcpiExUnlinkMutex (Object); 201 1.1.1.2.8.2 jruoho AcpiOsDeleteMutex (Object->Mutex.OsMutex); 202 1.1.1.2.8.2 jruoho } 203 1.1.1.2.8.2 jruoho break; 204 1.1.1.2.8.2 jruoho 205 1.1.1.2.8.2 jruoho 206 1.1.1.2.8.2 jruoho case ACPI_TYPE_EVENT: 207 1.1.1.2.8.2 jruoho 208 1.1.1.2.8.2 jruoho ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, 209 1.1.1.2.8.2 jruoho "***** Event %p, OS Semaphore %p\n", 210 1.1.1.2.8.2 jruoho Object, Object->Event.OsSemaphore)); 211 1.1.1.2.8.2 jruoho 212 1.1.1.2.8.2 jruoho (void) AcpiOsDeleteSemaphore (Object->Event.OsSemaphore); 213 1.1.1.2.8.2 jruoho Object->Event.OsSemaphore = NULL; 214 1.1.1.2.8.2 jruoho break; 215 1.1.1.2.8.2 jruoho 216 1.1.1.2.8.2 jruoho 217 1.1.1.2.8.2 jruoho case ACPI_TYPE_METHOD: 218 1.1.1.2.8.2 jruoho 219 1.1.1.2.8.2 jruoho ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, 220 1.1.1.2.8.2 jruoho "***** Method %p\n", Object)); 221 1.1.1.2.8.2 jruoho 222 1.1.1.2.8.2 jruoho /* Delete the method mutex if it exists */ 223 1.1.1.2.8.2 jruoho 224 1.1.1.2.8.2 jruoho if (Object->Method.Mutex) 225 1.1.1.2.8.2 jruoho { 226 1.1.1.2.8.2 jruoho AcpiOsDeleteMutex (Object->Method.Mutex->Mutex.OsMutex); 227 1.1.1.2.8.2 jruoho AcpiUtDeleteObjectDesc (Object->Method.Mutex); 228 1.1.1.2.8.2 jruoho Object->Method.Mutex = NULL; 229 1.1.1.2.8.2 jruoho } 230 1.1.1.2.8.2 jruoho break; 231 1.1.1.2.8.2 jruoho 232 1.1.1.2.8.2 jruoho 233 1.1.1.2.8.2 jruoho case ACPI_TYPE_REGION: 234 1.1.1.2.8.2 jruoho 235 1.1.1.2.8.2 jruoho ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, 236 1.1.1.2.8.2 jruoho "***** Region %p\n", Object)); 237 1.1.1.2.8.2 jruoho 238 1.1.1.2.8.2 jruoho SecondDesc = AcpiNsGetSecondaryObject (Object); 239 1.1.1.2.8.2 jruoho if (SecondDesc) 240 1.1.1.2.8.2 jruoho { 241 1.1.1.2.8.2 jruoho /* 242 1.1.1.2.8.2 jruoho * Free the RegionContext if and only if the handler is one of the 243 1.1.1.2.8.2 jruoho * default handlers -- and therefore, we created the context object 244 1.1.1.2.8.2 jruoho * locally, it was not created by an external caller. 245 1.1.1.2.8.2 jruoho */ 246 1.1.1.2.8.2 jruoho HandlerDesc = Object->Region.Handler; 247 1.1.1.2.8.2 jruoho if (HandlerDesc) 248 1.1.1.2.8.2 jruoho { 249 1.1.1.2.8.2 jruoho NextDesc = HandlerDesc->AddressSpace.RegionList; 250 1.1.1.2.8.2 jruoho LastObjPtr = &HandlerDesc->AddressSpace.RegionList; 251 1.1.1.2.8.2 jruoho 252 1.1.1.2.8.2 jruoho /* Remove the region object from the handler's list */ 253 1.1.1.2.8.2 jruoho 254 1.1.1.2.8.2 jruoho while (NextDesc) 255 1.1.1.2.8.2 jruoho { 256 1.1.1.2.8.2 jruoho if (NextDesc == Object) 257 1.1.1.2.8.2 jruoho { 258 1.1.1.2.8.2 jruoho *LastObjPtr = NextDesc->Region.Next; 259 1.1.1.2.8.2 jruoho break; 260 1.1.1.2.8.2 jruoho } 261 1.1.1.2.8.2 jruoho 262 1.1.1.2.8.2 jruoho /* Walk the linked list of handler */ 263 1.1.1.2.8.2 jruoho 264 1.1.1.2.8.2 jruoho LastObjPtr = &NextDesc->Region.Next; 265 1.1.1.2.8.2 jruoho NextDesc = NextDesc->Region.Next; 266 1.1.1.2.8.2 jruoho } 267 1.1.1.2.8.2 jruoho 268 1.1.1.2.8.2 jruoho if (HandlerDesc->AddressSpace.HandlerFlags & 269 1.1.1.2.8.2 jruoho ACPI_ADDR_HANDLER_DEFAULT_INSTALLED) 270 1.1.1.2.8.2 jruoho { 271 1.1.1.2.8.2 jruoho /* Deactivate region and free region context */ 272 1.1.1.2.8.2 jruoho 273 1.1.1.2.8.2 jruoho if (HandlerDesc->AddressSpace.Setup) 274 1.1.1.2.8.2 jruoho { 275 1.1.1.2.8.2 jruoho (void) HandlerDesc->AddressSpace.Setup (Object, 276 1.1.1.2.8.2 jruoho ACPI_REGION_DEACTIVATE, 277 1.1.1.2.8.2 jruoho HandlerDesc->AddressSpace.Context, 278 1.1.1.2.8.2 jruoho &SecondDesc->Extra.RegionContext); 279 1.1.1.2.8.2 jruoho } 280 1.1.1.2.8.2 jruoho } 281 1.1.1.2.8.2 jruoho 282 1.1.1.2.8.2 jruoho AcpiUtRemoveReference (HandlerDesc); 283 1.1.1.2.8.2 jruoho } 284 1.1.1.2.8.2 jruoho 285 1.1.1.2.8.2 jruoho /* Now we can free the Extra object */ 286 1.1.1.2.8.2 jruoho 287 1.1.1.2.8.2 jruoho AcpiUtDeleteObjectDesc (SecondDesc); 288 1.1.1.2.8.2 jruoho } 289 1.1.1.2.8.2 jruoho break; 290 1.1.1.2.8.2 jruoho 291 1.1.1.2.8.2 jruoho 292 1.1.1.2.8.2 jruoho case ACPI_TYPE_BUFFER_FIELD: 293 1.1.1.2.8.2 jruoho 294 1.1.1.2.8.2 jruoho ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, 295 1.1.1.2.8.2 jruoho "***** Buffer Field %p\n", Object)); 296 1.1.1.2.8.2 jruoho 297 1.1.1.2.8.2 jruoho SecondDesc = AcpiNsGetSecondaryObject (Object); 298 1.1.1.2.8.2 jruoho if (SecondDesc) 299 1.1.1.2.8.2 jruoho { 300 1.1.1.2.8.2 jruoho AcpiUtDeleteObjectDesc (SecondDesc); 301 1.1.1.2.8.2 jruoho } 302 1.1.1.2.8.2 jruoho break; 303 1.1.1.2.8.2 jruoho 304 1.1.1.2.8.2 jruoho 305 1.1.1.2.8.2 jruoho case ACPI_TYPE_LOCAL_BANK_FIELD: 306 1.1.1.2.8.2 jruoho 307 1.1.1.2.8.2 jruoho ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, 308 1.1.1.2.8.2 jruoho "***** Bank Field %p\n", Object)); 309 1.1.1.2.8.2 jruoho 310 1.1.1.2.8.2 jruoho SecondDesc = AcpiNsGetSecondaryObject (Object); 311 1.1.1.2.8.2 jruoho if (SecondDesc) 312 1.1.1.2.8.2 jruoho { 313 1.1.1.2.8.2 jruoho AcpiUtDeleteObjectDesc (SecondDesc); 314 1.1.1.2.8.2 jruoho } 315 1.1.1.2.8.2 jruoho break; 316 1.1.1.2.8.2 jruoho 317 1.1.1.2.8.2 jruoho 318 1.1.1.2.8.2 jruoho default: 319 1.1.1.2.8.2 jruoho break; 320 1.1.1.2.8.2 jruoho } 321 1.1.1.2.8.2 jruoho 322 1.1.1.2.8.2 jruoho /* Free any allocated memory (pointer within the object) found above */ 323 1.1.1.2.8.2 jruoho 324 1.1.1.2.8.2 jruoho if (ObjPointer) 325 1.1.1.2.8.2 jruoho { 326 1.1.1.2.8.2 jruoho ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Deleting Object Subptr %p\n", 327 1.1.1.2.8.2 jruoho ObjPointer)); 328 1.1.1.2.8.2 jruoho ACPI_FREE (ObjPointer); 329 1.1.1.2.8.2 jruoho } 330 1.1.1.2.8.2 jruoho 331 1.1.1.2.8.2 jruoho /* Now the object can be safely deleted */ 332 1.1.1.2.8.2 jruoho 333 1.1.1.2.8.2 jruoho ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Deleting Object %p [%s]\n", 334 1.1.1.2.8.2 jruoho Object, AcpiUtGetObjectTypeName (Object))); 335 1.1.1.2.8.2 jruoho 336 1.1.1.2.8.2 jruoho AcpiUtDeleteObjectDesc (Object); 337 1.1.1.2.8.2 jruoho return_VOID; 338 1.1.1.2.8.2 jruoho } 339 1.1.1.2.8.2 jruoho 340 1.1.1.2.8.2 jruoho 341 1.1.1.2.8.2 jruoho /******************************************************************************* 342 1.1.1.2.8.2 jruoho * 343 1.1.1.2.8.2 jruoho * FUNCTION: AcpiUtDeleteInternalObjectList 344 1.1.1.2.8.2 jruoho * 345 1.1.1.2.8.2 jruoho * PARAMETERS: ObjList - Pointer to the list to be deleted 346 1.1.1.2.8.2 jruoho * 347 1.1.1.2.8.2 jruoho * RETURN: None 348 1.1.1.2.8.2 jruoho * 349 1.1.1.2.8.2 jruoho * DESCRIPTION: This function deletes an internal object list, including both 350 1.1.1.2.8.2 jruoho * simple objects and package objects 351 1.1.1.2.8.2 jruoho * 352 1.1.1.2.8.2 jruoho ******************************************************************************/ 353 1.1.1.2.8.2 jruoho 354 1.1.1.2.8.2 jruoho void 355 1.1.1.2.8.2 jruoho AcpiUtDeleteInternalObjectList ( 356 1.1.1.2.8.2 jruoho ACPI_OPERAND_OBJECT **ObjList) 357 1.1.1.2.8.2 jruoho { 358 1.1.1.2.8.2 jruoho ACPI_OPERAND_OBJECT **InternalObj; 359 1.1.1.2.8.2 jruoho 360 1.1.1.2.8.2 jruoho 361 1.1.1.2.8.2 jruoho ACPI_FUNCTION_TRACE (UtDeleteInternalObjectList); 362 1.1.1.2.8.2 jruoho 363 1.1.1.2.8.2 jruoho 364 1.1.1.2.8.2 jruoho /* Walk the null-terminated internal list */ 365 1.1.1.2.8.2 jruoho 366 1.1.1.2.8.2 jruoho for (InternalObj = ObjList; *InternalObj; InternalObj++) 367 1.1.1.2.8.2 jruoho { 368 1.1.1.2.8.2 jruoho AcpiUtRemoveReference (*InternalObj); 369 1.1.1.2.8.2 jruoho } 370 1.1.1.2.8.2 jruoho 371 1.1.1.2.8.2 jruoho /* Free the combined parameter pointer list and object array */ 372 1.1.1.2.8.2 jruoho 373 1.1.1.2.8.2 jruoho ACPI_FREE (ObjList); 374 1.1.1.2.8.2 jruoho return_VOID; 375 1.1.1.2.8.2 jruoho } 376 1.1.1.2.8.2 jruoho 377 1.1.1.2.8.2 jruoho 378 1.1.1.2.8.2 jruoho /******************************************************************************* 379 1.1.1.2.8.2 jruoho * 380 1.1.1.2.8.2 jruoho * FUNCTION: AcpiUtUpdateRefCount 381 1.1.1.2.8.2 jruoho * 382 1.1.1.2.8.2 jruoho * PARAMETERS: Object - Object whose ref count is to be updated 383 1.1.1.2.8.2 jruoho * Action - What to do 384 1.1.1.2.8.2 jruoho * 385 1.1.1.2.8.2 jruoho * RETURN: New ref count 386 1.1.1.2.8.2 jruoho * 387 1.1.1.2.8.2 jruoho * DESCRIPTION: Modify the ref count and return it. 388 1.1.1.2.8.2 jruoho * 389 1.1.1.2.8.2 jruoho ******************************************************************************/ 390 1.1.1.2.8.2 jruoho 391 1.1.1.2.8.2 jruoho static void 392 1.1.1.2.8.2 jruoho AcpiUtUpdateRefCount ( 393 1.1.1.2.8.2 jruoho ACPI_OPERAND_OBJECT *Object, 394 1.1.1.2.8.2 jruoho UINT32 Action) 395 1.1.1.2.8.2 jruoho { 396 1.1.1.2.8.2 jruoho UINT16 Count; 397 1.1.1.2.8.2 jruoho UINT16 NewCount; 398 1.1.1.2.8.2 jruoho 399 1.1.1.2.8.2 jruoho 400 1.1.1.2.8.2 jruoho ACPI_FUNCTION_NAME (UtUpdateRefCount); 401 1.1.1.2.8.2 jruoho 402 1.1.1.2.8.2 jruoho 403 1.1.1.2.8.2 jruoho if (!Object) 404 1.1.1.2.8.2 jruoho { 405 1.1.1.2.8.2 jruoho return; 406 1.1.1.2.8.2 jruoho } 407 1.1.1.2.8.2 jruoho 408 1.1.1.2.8.2 jruoho Count = Object->Common.ReferenceCount; 409 1.1.1.2.8.2 jruoho NewCount = Count; 410 1.1.1.2.8.2 jruoho 411 1.1.1.2.8.2 jruoho /* 412 1.1.1.2.8.2 jruoho * Perform the reference count action (increment, decrement, force delete) 413 1.1.1.2.8.2 jruoho */ 414 1.1.1.2.8.2 jruoho switch (Action) 415 1.1.1.2.8.2 jruoho { 416 1.1.1.2.8.2 jruoho case REF_INCREMENT: 417 1.1.1.2.8.2 jruoho 418 1.1.1.2.8.2 jruoho NewCount++; 419 1.1.1.2.8.2 jruoho Object->Common.ReferenceCount = NewCount; 420 1.1.1.2.8.2 jruoho 421 1.1.1.2.8.2 jruoho ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, 422 1.1.1.2.8.2 jruoho "Obj %p Refs=%X, [Incremented]\n", 423 1.1.1.2.8.2 jruoho Object, NewCount)); 424 1.1.1.2.8.2 jruoho break; 425 1.1.1.2.8.2 jruoho 426 1.1.1.2.8.2 jruoho case REF_DECREMENT: 427 1.1.1.2.8.2 jruoho 428 1.1.1.2.8.2 jruoho if (Count < 1) 429 1.1.1.2.8.2 jruoho { 430 1.1.1.2.8.2 jruoho ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, 431 1.1.1.2.8.2 jruoho "Obj %p Refs=%X, can't decrement! (Set to 0)\n", 432 1.1.1.2.8.2 jruoho Object, NewCount)); 433 1.1.1.2.8.2 jruoho 434 1.1.1.2.8.2 jruoho NewCount = 0; 435 1.1.1.2.8.2 jruoho } 436 1.1.1.2.8.2 jruoho else 437 1.1.1.2.8.2 jruoho { 438 1.1.1.2.8.2 jruoho NewCount--; 439 1.1.1.2.8.2 jruoho 440 1.1.1.2.8.2 jruoho ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, 441 1.1.1.2.8.2 jruoho "Obj %p Refs=%X, [Decremented]\n", 442 1.1.1.2.8.2 jruoho Object, NewCount)); 443 1.1.1.2.8.2 jruoho } 444 1.1.1.2.8.2 jruoho 445 1.1.1.2.8.2 jruoho if (Object->Common.Type == ACPI_TYPE_METHOD) 446 1.1.1.2.8.2 jruoho { 447 1.1.1.2.8.2 jruoho ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, 448 1.1.1.2.8.2 jruoho "Method Obj %p Refs=%X, [Decremented]\n", Object, NewCount)); 449 1.1.1.2.8.2 jruoho } 450 1.1.1.2.8.2 jruoho 451 1.1.1.2.8.2 jruoho Object->Common.ReferenceCount = NewCount; 452 1.1.1.2.8.2 jruoho if (NewCount == 0) 453 1.1.1.2.8.2 jruoho { 454 1.1.1.2.8.2 jruoho AcpiUtDeleteInternalObj (Object); 455 1.1.1.2.8.2 jruoho } 456 1.1.1.2.8.2 jruoho break; 457 1.1.1.2.8.2 jruoho 458 1.1.1.2.8.2 jruoho case REF_FORCE_DELETE: 459 1.1.1.2.8.2 jruoho 460 1.1.1.2.8.2 jruoho ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, 461 1.1.1.2.8.2 jruoho "Obj %p Refs=%X, Force delete! (Set to 0)\n", Object, Count)); 462 1.1.1.2.8.2 jruoho 463 1.1.1.2.8.2 jruoho NewCount = 0; 464 1.1.1.2.8.2 jruoho Object->Common.ReferenceCount = NewCount; 465 1.1.1.2.8.2 jruoho AcpiUtDeleteInternalObj (Object); 466 1.1.1.2.8.2 jruoho break; 467 1.1.1.2.8.2 jruoho 468 1.1.1.2.8.2 jruoho default: 469 1.1.1.2.8.2 jruoho 470 1.1.1.2.8.2 jruoho ACPI_ERROR ((AE_INFO, "Unknown action (0x%X)", Action)); 471 1.1.1.2.8.2 jruoho break; 472 1.1.1.2.8.2 jruoho } 473 1.1.1.2.8.2 jruoho 474 1.1.1.2.8.2 jruoho /* 475 1.1.1.2.8.2 jruoho * Sanity check the reference count, for debug purposes only. 476 1.1.1.2.8.2 jruoho * (A deleted object will have a huge reference count) 477 1.1.1.2.8.2 jruoho */ 478 1.1.1.2.8.2 jruoho if (Count > ACPI_MAX_REFERENCE_COUNT) 479 1.1.1.2.8.2 jruoho { 480 1.1.1.2.8.2 jruoho ACPI_WARNING ((AE_INFO, 481 1.1.1.2.8.2 jruoho "Large Reference Count (0x%X) in object %p", Count, Object)); 482 1.1.1.2.8.2 jruoho } 483 1.1.1.2.8.2 jruoho } 484 1.1.1.2.8.2 jruoho 485 1.1.1.2.8.2 jruoho 486 1.1.1.2.8.2 jruoho /******************************************************************************* 487 1.1.1.2.8.2 jruoho * 488 1.1.1.2.8.2 jruoho * FUNCTION: AcpiUtUpdateObjectReference 489 1.1.1.2.8.2 jruoho * 490 1.1.1.2.8.2 jruoho * PARAMETERS: Object - Increment ref count for this object 491 1.1.1.2.8.2 jruoho * and all sub-objects 492 1.1.1.2.8.2 jruoho * Action - Either REF_INCREMENT or REF_DECREMENT or 493 1.1.1.2.8.2 jruoho * REF_FORCE_DELETE 494 1.1.1.2.8.2 jruoho * 495 1.1.1.2.8.2 jruoho * RETURN: Status 496 1.1.1.2.8.2 jruoho * 497 1.1.1.2.8.2 jruoho * DESCRIPTION: Increment the object reference count 498 1.1.1.2.8.2 jruoho * 499 1.1.1.2.8.2 jruoho * Object references are incremented when: 500 1.1.1.2.8.2 jruoho * 1) An object is attached to a Node (namespace object) 501 1.1.1.2.8.2 jruoho * 2) An object is copied (all subobjects must be incremented) 502 1.1.1.2.8.2 jruoho * 503 1.1.1.2.8.2 jruoho * Object references are decremented when: 504 1.1.1.2.8.2 jruoho * 1) An object is detached from an Node 505 1.1.1.2.8.2 jruoho * 506 1.1.1.2.8.2 jruoho ******************************************************************************/ 507 1.1.1.2.8.2 jruoho 508 1.1.1.2.8.2 jruoho ACPI_STATUS 509 1.1.1.2.8.2 jruoho AcpiUtUpdateObjectReference ( 510 1.1.1.2.8.2 jruoho ACPI_OPERAND_OBJECT *Object, 511 1.1.1.2.8.2 jruoho UINT16 Action) 512 1.1.1.2.8.2 jruoho { 513 1.1.1.2.8.2 jruoho ACPI_STATUS Status = AE_OK; 514 1.1.1.2.8.2 jruoho ACPI_GENERIC_STATE *StateList = NULL; 515 1.1.1.2.8.2 jruoho ACPI_OPERAND_OBJECT *NextObject = NULL; 516 1.1.1.2.8.2 jruoho ACPI_GENERIC_STATE *State; 517 1.1.1.2.8.2 jruoho UINT32 i; 518 1.1.1.2.8.2 jruoho 519 1.1.1.2.8.2 jruoho 520 1.1.1.2.8.2 jruoho ACPI_FUNCTION_TRACE_PTR (UtUpdateObjectReference, Object); 521 1.1.1.2.8.2 jruoho 522 1.1.1.2.8.2 jruoho 523 1.1.1.2.8.2 jruoho while (Object) 524 1.1.1.2.8.2 jruoho { 525 1.1.1.2.8.2 jruoho /* Make sure that this isn't a namespace handle */ 526 1.1.1.2.8.2 jruoho 527 1.1.1.2.8.2 jruoho if (ACPI_GET_DESCRIPTOR_TYPE (Object) == ACPI_DESC_TYPE_NAMED) 528 1.1.1.2.8.2 jruoho { 529 1.1.1.2.8.2 jruoho ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, 530 1.1.1.2.8.2 jruoho "Object %p is NS handle\n", Object)); 531 1.1.1.2.8.2 jruoho return_ACPI_STATUS (AE_OK); 532 1.1.1.2.8.2 jruoho } 533 1.1.1.2.8.2 jruoho 534 1.1.1.2.8.2 jruoho /* 535 1.1.1.2.8.2 jruoho * All sub-objects must have their reference count incremented also. 536 1.1.1.2.8.2 jruoho * Different object types have different subobjects. 537 1.1.1.2.8.2 jruoho */ 538 1.1.1.2.8.2 jruoho switch (Object->Common.Type) 539 1.1.1.2.8.2 jruoho { 540 1.1.1.2.8.2 jruoho case ACPI_TYPE_DEVICE: 541 1.1.1.2.8.2 jruoho case ACPI_TYPE_PROCESSOR: 542 1.1.1.2.8.2 jruoho case ACPI_TYPE_POWER: 543 1.1.1.2.8.2 jruoho case ACPI_TYPE_THERMAL: 544 1.1.1.2.8.2 jruoho 545 1.1.1.2.8.2 jruoho /* Update the notify objects for these types (if present) */ 546 1.1.1.2.8.2 jruoho 547 1.1.1.2.8.2 jruoho AcpiUtUpdateRefCount (Object->CommonNotify.SystemNotify, Action); 548 1.1.1.2.8.2 jruoho AcpiUtUpdateRefCount (Object->CommonNotify.DeviceNotify, Action); 549 1.1.1.2.8.2 jruoho break; 550 1.1.1.2.8.2 jruoho 551 1.1.1.2.8.2 jruoho case ACPI_TYPE_PACKAGE: 552 1.1.1.2.8.2 jruoho /* 553 1.1.1.2.8.2 jruoho * We must update all the sub-objects of the package, 554 1.1.1.2.8.2 jruoho * each of whom may have their own sub-objects. 555 1.1.1.2.8.2 jruoho */ 556 1.1.1.2.8.2 jruoho for (i = 0; i < Object->Package.Count; i++) 557 1.1.1.2.8.2 jruoho { 558 1.1.1.2.8.2 jruoho /* 559 1.1.1.2.8.2 jruoho * Push each element onto the stack for later processing. 560 1.1.1.2.8.2 jruoho * Note: There can be null elements within the package, 561 1.1.1.2.8.2 jruoho * these are simply ignored 562 1.1.1.2.8.2 jruoho */ 563 1.1.1.2.8.2 jruoho Status = AcpiUtCreateUpdateStateAndPush ( 564 1.1.1.2.8.2 jruoho Object->Package.Elements[i], Action, &StateList); 565 1.1.1.2.8.2 jruoho if (ACPI_FAILURE (Status)) 566 1.1.1.2.8.2 jruoho { 567 1.1.1.2.8.2 jruoho goto ErrorExit; 568 1.1.1.2.8.2 jruoho } 569 1.1.1.2.8.2 jruoho } 570 1.1.1.2.8.2 jruoho break; 571 1.1.1.2.8.2 jruoho 572 1.1.1.2.8.2 jruoho case ACPI_TYPE_BUFFER_FIELD: 573 1.1.1.2.8.2 jruoho 574 1.1.1.2.8.2 jruoho NextObject = Object->BufferField.BufferObj; 575 1.1.1.2.8.2 jruoho break; 576 1.1.1.2.8.2 jruoho 577 1.1.1.2.8.2 jruoho case ACPI_TYPE_LOCAL_REGION_FIELD: 578 1.1.1.2.8.2 jruoho 579 1.1.1.2.8.2 jruoho NextObject = Object->Field.RegionObj; 580 1.1.1.2.8.2 jruoho break; 581 1.1.1.2.8.2 jruoho 582 1.1.1.2.8.2 jruoho case ACPI_TYPE_LOCAL_BANK_FIELD: 583 1.1.1.2.8.2 jruoho 584 1.1.1.2.8.2 jruoho NextObject = Object->BankField.BankObj; 585 1.1.1.2.8.2 jruoho Status = AcpiUtCreateUpdateStateAndPush ( 586 1.1.1.2.8.2 jruoho Object->BankField.RegionObj, Action, &StateList); 587 1.1.1.2.8.2 jruoho if (ACPI_FAILURE (Status)) 588 1.1.1.2.8.2 jruoho { 589 1.1.1.2.8.2 jruoho goto ErrorExit; 590 1.1.1.2.8.2 jruoho } 591 1.1.1.2.8.2 jruoho break; 592 1.1.1.2.8.2 jruoho 593 1.1.1.2.8.2 jruoho case ACPI_TYPE_LOCAL_INDEX_FIELD: 594 1.1.1.2.8.2 jruoho 595 1.1.1.2.8.2 jruoho NextObject = Object->IndexField.IndexObj; 596 1.1.1.2.8.2 jruoho Status = AcpiUtCreateUpdateStateAndPush ( 597 1.1.1.2.8.2 jruoho Object->IndexField.DataObj, Action, &StateList); 598 1.1.1.2.8.2 jruoho if (ACPI_FAILURE (Status)) 599 1.1.1.2.8.2 jruoho { 600 1.1.1.2.8.2 jruoho goto ErrorExit; 601 1.1.1.2.8.2 jruoho } 602 1.1.1.2.8.2 jruoho break; 603 1.1.1.2.8.2 jruoho 604 1.1.1.2.8.2 jruoho case ACPI_TYPE_LOCAL_REFERENCE: 605 1.1.1.2.8.2 jruoho /* 606 1.1.1.2.8.2 jruoho * The target of an Index (a package, string, or buffer) or a named 607 1.1.1.2.8.2 jruoho * reference must track changes to the ref count of the index or 608 1.1.1.2.8.2 jruoho * target object. 609 1.1.1.2.8.2 jruoho */ 610 1.1.1.2.8.2 jruoho if ((Object->Reference.Class == ACPI_REFCLASS_INDEX) || 611 1.1.1.2.8.2 jruoho (Object->Reference.Class== ACPI_REFCLASS_NAME)) 612 1.1.1.2.8.2 jruoho { 613 1.1.1.2.8.2 jruoho NextObject = Object->Reference.Object; 614 1.1.1.2.8.2 jruoho } 615 1.1.1.2.8.2 jruoho break; 616 1.1.1.2.8.2 jruoho 617 1.1.1.2.8.2 jruoho case ACPI_TYPE_REGION: 618 1.1.1.2.8.2 jruoho default: 619 1.1.1.2.8.2 jruoho break; /* No subobjects for all other types */ 620 1.1.1.2.8.2 jruoho } 621 1.1.1.2.8.2 jruoho 622 1.1.1.2.8.2 jruoho /* 623 1.1.1.2.8.2 jruoho * Now we can update the count in the main object. This can only 624 1.1.1.2.8.2 jruoho * happen after we update the sub-objects in case this causes the 625 1.1.1.2.8.2 jruoho * main object to be deleted. 626 1.1.1.2.8.2 jruoho */ 627 1.1.1.2.8.2 jruoho AcpiUtUpdateRefCount (Object, Action); 628 1.1.1.2.8.2 jruoho Object = NULL; 629 1.1.1.2.8.2 jruoho 630 1.1.1.2.8.2 jruoho /* Move on to the next object to be updated */ 631 1.1.1.2.8.2 jruoho 632 1.1.1.2.8.2 jruoho if (NextObject) 633 1.1.1.2.8.2 jruoho { 634 1.1.1.2.8.2 jruoho Object = NextObject; 635 1.1.1.2.8.2 jruoho NextObject = NULL; 636 1.1.1.2.8.2 jruoho } 637 1.1.1.2.8.2 jruoho else if (StateList) 638 1.1.1.2.8.2 jruoho { 639 1.1.1.2.8.2 jruoho State = AcpiUtPopGenericState (&StateList); 640 1.1.1.2.8.2 jruoho Object = State->Update.Object; 641 1.1.1.2.8.2 jruoho AcpiUtDeleteGenericState (State); 642 1.1.1.2.8.2 jruoho } 643 1.1.1.2.8.2 jruoho } 644 1.1.1.2.8.2 jruoho 645 1.1.1.2.8.2 jruoho return_ACPI_STATUS (AE_OK); 646 1.1.1.2.8.2 jruoho 647 1.1.1.2.8.2 jruoho 648 1.1.1.2.8.2 jruoho ErrorExit: 649 1.1.1.2.8.2 jruoho 650 1.1.1.2.8.2 jruoho ACPI_EXCEPTION ((AE_INFO, Status, 651 1.1.1.2.8.2 jruoho "Could not update object reference count")); 652 1.1.1.2.8.2 jruoho 653 1.1.1.2.8.2 jruoho /* Free any stacked Update State objects */ 654 1.1.1.2.8.2 jruoho 655 1.1.1.2.8.2 jruoho while (StateList) 656 1.1.1.2.8.2 jruoho { 657 1.1.1.2.8.2 jruoho State = AcpiUtPopGenericState (&StateList); 658 1.1.1.2.8.2 jruoho AcpiUtDeleteGenericState (State); 659 1.1.1.2.8.2 jruoho } 660 1.1.1.2.8.2 jruoho 661 1.1.1.2.8.2 jruoho return_ACPI_STATUS (Status); 662 1.1.1.2.8.2 jruoho } 663 1.1.1.2.8.2 jruoho 664 1.1.1.2.8.2 jruoho 665 1.1.1.2.8.2 jruoho /******************************************************************************* 666 1.1.1.2.8.2 jruoho * 667 1.1.1.2.8.2 jruoho * FUNCTION: AcpiUtAddReference 668 1.1.1.2.8.2 jruoho * 669 1.1.1.2.8.2 jruoho * PARAMETERS: Object - Object whose reference count is to be 670 1.1.1.2.8.2 jruoho * incremented 671 1.1.1.2.8.2 jruoho * 672 1.1.1.2.8.2 jruoho * RETURN: None 673 1.1.1.2.8.2 jruoho * 674 1.1.1.2.8.2 jruoho * DESCRIPTION: Add one reference to an ACPI object 675 1.1.1.2.8.2 jruoho * 676 1.1.1.2.8.2 jruoho ******************************************************************************/ 677 1.1.1.2.8.2 jruoho 678 1.1.1.2.8.2 jruoho void 679 1.1.1.2.8.2 jruoho AcpiUtAddReference ( 680 1.1.1.2.8.2 jruoho ACPI_OPERAND_OBJECT *Object) 681 1.1.1.2.8.2 jruoho { 682 1.1.1.2.8.2 jruoho 683 1.1.1.2.8.2 jruoho ACPI_FUNCTION_TRACE_PTR (UtAddReference, Object); 684 1.1.1.2.8.2 jruoho 685 1.1.1.2.8.2 jruoho 686 1.1.1.2.8.2 jruoho /* Ensure that we have a valid object */ 687 1.1.1.2.8.2 jruoho 688 1.1.1.2.8.2 jruoho if (!AcpiUtValidInternalObject (Object)) 689 1.1.1.2.8.2 jruoho { 690 1.1.1.2.8.2 jruoho return_VOID; 691 1.1.1.2.8.2 jruoho } 692 1.1.1.2.8.2 jruoho 693 1.1.1.2.8.2 jruoho ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, 694 1.1.1.2.8.2 jruoho "Obj %p Current Refs=%X [To Be Incremented]\n", 695 1.1.1.2.8.2 jruoho Object, Object->Common.ReferenceCount)); 696 1.1.1.2.8.2 jruoho 697 1.1.1.2.8.2 jruoho /* Increment the reference count */ 698 1.1.1.2.8.2 jruoho 699 1.1.1.2.8.2 jruoho (void) AcpiUtUpdateObjectReference (Object, REF_INCREMENT); 700 1.1.1.2.8.2 jruoho return_VOID; 701 1.1.1.2.8.2 jruoho } 702 1.1.1.2.8.2 jruoho 703 1.1.1.2.8.2 jruoho 704 1.1.1.2.8.2 jruoho /******************************************************************************* 705 1.1.1.2.8.2 jruoho * 706 1.1.1.2.8.2 jruoho * FUNCTION: AcpiUtRemoveReference 707 1.1.1.2.8.2 jruoho * 708 1.1.1.2.8.2 jruoho * PARAMETERS: Object - Object whose ref count will be decremented 709 1.1.1.2.8.2 jruoho * 710 1.1.1.2.8.2 jruoho * RETURN: None 711 1.1.1.2.8.2 jruoho * 712 1.1.1.2.8.2 jruoho * DESCRIPTION: Decrement the reference count of an ACPI internal object 713 1.1.1.2.8.2 jruoho * 714 1.1.1.2.8.2 jruoho ******************************************************************************/ 715 1.1.1.2.8.2 jruoho 716 1.1.1.2.8.2 jruoho void 717 1.1.1.2.8.2 jruoho AcpiUtRemoveReference ( 718 1.1.1.2.8.2 jruoho ACPI_OPERAND_OBJECT *Object) 719 1.1.1.2.8.2 jruoho { 720 1.1.1.2.8.2 jruoho 721 1.1.1.2.8.2 jruoho ACPI_FUNCTION_TRACE_PTR (UtRemoveReference, Object); 722 1.1.1.2.8.2 jruoho 723 1.1.1.2.8.2 jruoho 724 1.1.1.2.8.2 jruoho /* 725 1.1.1.2.8.2 jruoho * Allow a NULL pointer to be passed in, just ignore it. This saves 726 1.1.1.2.8.2 jruoho * each caller from having to check. Also, ignore NS nodes. 727 1.1.1.2.8.2 jruoho * 728 1.1.1.2.8.2 jruoho */ 729 1.1.1.2.8.2 jruoho if (!Object || 730 1.1.1.2.8.2 jruoho (ACPI_GET_DESCRIPTOR_TYPE (Object) == ACPI_DESC_TYPE_NAMED)) 731 1.1.1.2.8.2 jruoho 732 1.1.1.2.8.2 jruoho { 733 1.1.1.2.8.2 jruoho return_VOID; 734 1.1.1.2.8.2 jruoho } 735 1.1.1.2.8.2 jruoho 736 1.1.1.2.8.2 jruoho /* Ensure that we have a valid object */ 737 1.1.1.2.8.2 jruoho 738 1.1.1.2.8.2 jruoho if (!AcpiUtValidInternalObject (Object)) 739 1.1.1.2.8.2 jruoho { 740 1.1.1.2.8.2 jruoho return_VOID; 741 1.1.1.2.8.2 jruoho } 742 1.1.1.2.8.2 jruoho 743 1.1.1.2.8.2 jruoho ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, 744 1.1.1.2.8.2 jruoho "Obj %p Current Refs=%X [To Be Decremented]\n", 745 1.1.1.2.8.2 jruoho Object, Object->Common.ReferenceCount)); 746 1.1.1.2.8.2 jruoho 747 1.1.1.2.8.2 jruoho /* 748 1.1.1.2.8.2 jruoho * Decrement the reference count, and only actually delete the object 749 1.1.1.2.8.2 jruoho * if the reference count becomes 0. (Must also decrement the ref count 750 1.1.1.2.8.2 jruoho * of all subobjects!) 751 1.1.1.2.8.2 jruoho */ 752 1.1.1.2.8.2 jruoho (void) AcpiUtUpdateObjectReference (Object, REF_DECREMENT); 753 1.1.1.2.8.2 jruoho return_VOID; 754 1.1.1.2.8.2 jruoho } 755 1.1.1.2.8.2 jruoho 756 1.1.1.2.8.2 jruoho 757
Indexes created Mon Oct 13 04:09:54 GMT 2025