dswscope.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: dswscope - Scope stack manipulation 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 __DSWSCOPE_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 "acdispat.h" 49 1.1.1.2.8.2 jruoho 50 1.1.1.2.8.2 jruoho 51 1.1.1.2.8.2 jruoho #define _COMPONENT ACPI_DISPATCHER 52 1.1.1.2.8.2 jruoho ACPI_MODULE_NAME ("dswscope") 53 1.1.1.2.8.2 jruoho 54 1.1.1.2.8.2 jruoho 55 1.1.1.2.8.2 jruoho /**************************************************************************** 56 1.1.1.2.8.2 jruoho * 57 1.1.1.2.8.2 jruoho * FUNCTION: AcpiDsScopeStackClear 58 1.1.1.2.8.2 jruoho * 59 1.1.1.2.8.2 jruoho * PARAMETERS: WalkState - Current state 60 1.1.1.2.8.2 jruoho * 61 1.1.1.2.8.2 jruoho * RETURN: None 62 1.1.1.2.8.2 jruoho * 63 1.1.1.2.8.2 jruoho * DESCRIPTION: Pop (and free) everything on the scope stack except the 64 1.1.1.2.8.2 jruoho * root scope object (which remains at the stack top.) 65 1.1.1.2.8.2 jruoho * 66 1.1.1.2.8.2 jruoho ***************************************************************************/ 67 1.1.1.2.8.2 jruoho 68 1.1.1.2.8.2 jruoho void 69 1.1.1.2.8.2 jruoho AcpiDsScopeStackClear ( 70 1.1.1.2.8.2 jruoho ACPI_WALK_STATE *WalkState) 71 1.1.1.2.8.2 jruoho { 72 1.1.1.2.8.2 jruoho ACPI_GENERIC_STATE *ScopeInfo; 73 1.1.1.2.8.2 jruoho 74 1.1.1.2.8.2 jruoho ACPI_FUNCTION_NAME (DsScopeStackClear); 75 1.1.1.2.8.2 jruoho 76 1.1.1.2.8.2 jruoho 77 1.1.1.2.8.2 jruoho while (WalkState->ScopeInfo) 78 1.1.1.2.8.2 jruoho { 79 1.1.1.2.8.2 jruoho /* Pop a scope off the stack */ 80 1.1.1.2.8.2 jruoho 81 1.1.1.2.8.2 jruoho ScopeInfo = WalkState->ScopeInfo; 82 1.1.1.2.8.2 jruoho WalkState->ScopeInfo = ScopeInfo->Scope.Next; 83 1.1.1.2.8.2 jruoho 84 1.1.1.2.8.2 jruoho ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, 85 1.1.1.2.8.2 jruoho "Popped object type (%s)\n", 86 1.1.1.2.8.2 jruoho AcpiUtGetTypeName (ScopeInfo->Common.Value))); 87 1.1.1.2.8.2 jruoho AcpiUtDeleteGenericState (ScopeInfo); 88 1.1.1.2.8.2 jruoho } 89 1.1.1.2.8.2 jruoho } 90 1.1.1.2.8.2 jruoho 91 1.1.1.2.8.2 jruoho 92 1.1.1.2.8.2 jruoho /**************************************************************************** 93 1.1.1.2.8.2 jruoho * 94 1.1.1.2.8.2 jruoho * FUNCTION: AcpiDsScopeStackPush 95 1.1.1.2.8.2 jruoho * 96 1.1.1.2.8.2 jruoho * PARAMETERS: Node - Name to be made current 97 1.1.1.2.8.2 jruoho * Type - Type of frame being pushed 98 1.1.1.2.8.2 jruoho * WalkState - Current state 99 1.1.1.2.8.2 jruoho * 100 1.1.1.2.8.2 jruoho * RETURN: Status 101 1.1.1.2.8.2 jruoho * 102 1.1.1.2.8.2 jruoho * DESCRIPTION: Push the current scope on the scope stack, and make the 103 1.1.1.2.8.2 jruoho * passed Node current. 104 1.1.1.2.8.2 jruoho * 105 1.1.1.2.8.2 jruoho ***************************************************************************/ 106 1.1.1.2.8.2 jruoho 107 1.1.1.2.8.2 jruoho ACPI_STATUS 108 1.1.1.2.8.2 jruoho AcpiDsScopeStackPush ( 109 1.1.1.2.8.2 jruoho ACPI_NAMESPACE_NODE *Node, 110 1.1.1.2.8.2 jruoho ACPI_OBJECT_TYPE Type, 111 1.1.1.2.8.2 jruoho ACPI_WALK_STATE *WalkState) 112 1.1.1.2.8.2 jruoho { 113 1.1.1.2.8.2 jruoho ACPI_GENERIC_STATE *ScopeInfo; 114 1.1.1.2.8.2 jruoho ACPI_GENERIC_STATE *OldScopeInfo; 115 1.1.1.2.8.2 jruoho 116 1.1.1.2.8.2 jruoho 117 1.1.1.2.8.2 jruoho ACPI_FUNCTION_TRACE (DsScopeStackPush); 118 1.1.1.2.8.2 jruoho 119 1.1.1.2.8.2 jruoho 120 1.1.1.2.8.2 jruoho if (!Node) 121 1.1.1.2.8.2 jruoho { 122 1.1.1.2.8.2 jruoho /* Invalid scope */ 123 1.1.1.2.8.2 jruoho 124 1.1.1.2.8.2 jruoho ACPI_ERROR ((AE_INFO, "Null scope parameter")); 125 1.1.1.2.8.2 jruoho return_ACPI_STATUS (AE_BAD_PARAMETER); 126 1.1.1.2.8.2 jruoho } 127 1.1.1.2.8.2 jruoho 128 1.1.1.2.8.2 jruoho /* Make sure object type is valid */ 129 1.1.1.2.8.2 jruoho 130 1.1.1.2.8.2 jruoho if (!AcpiUtValidObjectType (Type)) 131 1.1.1.2.8.2 jruoho { 132 1.1.1.2.8.2 jruoho ACPI_WARNING ((AE_INFO, 133 1.1.1.2.8.2 jruoho "Invalid object type: 0x%X", Type)); 134 1.1.1.2.8.2 jruoho } 135 1.1.1.2.8.2 jruoho 136 1.1.1.2.8.2 jruoho /* Allocate a new scope object */ 137 1.1.1.2.8.2 jruoho 138 1.1.1.2.8.2 jruoho ScopeInfo = AcpiUtCreateGenericState (); 139 1.1.1.2.8.2 jruoho if (!ScopeInfo) 140 1.1.1.2.8.2 jruoho { 141 1.1.1.2.8.2 jruoho return_ACPI_STATUS (AE_NO_MEMORY); 142 1.1.1.2.8.2 jruoho } 143 1.1.1.2.8.2 jruoho 144 1.1.1.2.8.2 jruoho /* Init new scope object */ 145 1.1.1.2.8.2 jruoho 146 1.1.1.2.8.2 jruoho ScopeInfo->Common.DescriptorType = ACPI_DESC_TYPE_STATE_WSCOPE; 147 1.1.1.2.8.2 jruoho ScopeInfo->Scope.Node = Node; 148 1.1.1.2.8.2 jruoho ScopeInfo->Common.Value = (UINT16) Type; 149 1.1.1.2.8.2 jruoho 150 1.1.1.2.8.2 jruoho WalkState->ScopeDepth++; 151 1.1.1.2.8.2 jruoho 152 1.1.1.2.8.2 jruoho ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, 153 1.1.1.2.8.2 jruoho "[%.2d] Pushed scope ", (UINT32) WalkState->ScopeDepth)); 154 1.1.1.2.8.2 jruoho 155 1.1.1.2.8.2 jruoho OldScopeInfo = WalkState->ScopeInfo; 156 1.1.1.2.8.2 jruoho if (OldScopeInfo) 157 1.1.1.2.8.2 jruoho { 158 1.1.1.2.8.2 jruoho ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC, 159 1.1.1.2.8.2 jruoho "[%4.4s] (%s)", 160 1.1.1.2.8.2 jruoho AcpiUtGetNodeName (OldScopeInfo->Scope.Node), 161 1.1.1.2.8.2 jruoho AcpiUtGetTypeName (OldScopeInfo->Common.Value))); 162 1.1.1.2.8.2 jruoho } 163 1.1.1.2.8.2 jruoho else 164 1.1.1.2.8.2 jruoho { 165 1.1.1.2.8.2 jruoho ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC, 166 1.1.1.2.8.2 jruoho "[\\___] (%s)", "ROOT")); 167 1.1.1.2.8.2 jruoho } 168 1.1.1.2.8.2 jruoho 169 1.1.1.2.8.2 jruoho ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC, 170 1.1.1.2.8.2 jruoho ", New scope -> [%4.4s] (%s)\n", 171 1.1.1.2.8.2 jruoho AcpiUtGetNodeName (ScopeInfo->Scope.Node), 172 1.1.1.2.8.2 jruoho AcpiUtGetTypeName (ScopeInfo->Common.Value))); 173 1.1.1.2.8.2 jruoho 174 1.1.1.2.8.2 jruoho /* Push new scope object onto stack */ 175 1.1.1.2.8.2 jruoho 176 1.1.1.2.8.2 jruoho AcpiUtPushGenericState (&WalkState->ScopeInfo, ScopeInfo); 177 1.1.1.2.8.2 jruoho return_ACPI_STATUS (AE_OK); 178 1.1.1.2.8.2 jruoho } 179 1.1.1.2.8.2 jruoho 180 1.1.1.2.8.2 jruoho 181 1.1.1.2.8.2 jruoho /**************************************************************************** 182 1.1.1.2.8.2 jruoho * 183 1.1.1.2.8.2 jruoho * FUNCTION: AcpiDsScopeStackPop 184 1.1.1.2.8.2 jruoho * 185 1.1.1.2.8.2 jruoho * PARAMETERS: WalkState - Current state 186 1.1.1.2.8.2 jruoho * 187 1.1.1.2.8.2 jruoho * RETURN: Status 188 1.1.1.2.8.2 jruoho * 189 1.1.1.2.8.2 jruoho * DESCRIPTION: Pop the scope stack once. 190 1.1.1.2.8.2 jruoho * 191 1.1.1.2.8.2 jruoho ***************************************************************************/ 192 1.1.1.2.8.2 jruoho 193 1.1.1.2.8.2 jruoho ACPI_STATUS 194 1.1.1.2.8.2 jruoho AcpiDsScopeStackPop ( 195 1.1.1.2.8.2 jruoho ACPI_WALK_STATE *WalkState) 196 1.1.1.2.8.2 jruoho { 197 1.1.1.2.8.2 jruoho ACPI_GENERIC_STATE *ScopeInfo; 198 1.1.1.2.8.2 jruoho ACPI_GENERIC_STATE *NewScopeInfo; 199 1.1.1.2.8.2 jruoho 200 1.1.1.2.8.2 jruoho 201 1.1.1.2.8.2 jruoho ACPI_FUNCTION_TRACE (DsScopeStackPop); 202 1.1.1.2.8.2 jruoho 203 1.1.1.2.8.2 jruoho 204 1.1.1.2.8.2 jruoho /* 205 1.1.1.2.8.2 jruoho * Pop scope info object off the stack. 206 1.1.1.2.8.2 jruoho */ 207 1.1.1.2.8.2 jruoho ScopeInfo = AcpiUtPopGenericState (&WalkState->ScopeInfo); 208 1.1.1.2.8.2 jruoho if (!ScopeInfo) 209 1.1.1.2.8.2 jruoho { 210 1.1.1.2.8.2 jruoho return_ACPI_STATUS (AE_STACK_UNDERFLOW); 211 1.1.1.2.8.2 jruoho } 212 1.1.1.2.8.2 jruoho 213 1.1.1.2.8.2 jruoho WalkState->ScopeDepth--; 214 1.1.1.2.8.2 jruoho 215 1.1.1.2.8.2 jruoho ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, 216 1.1.1.2.8.2 jruoho "[%.2d] Popped scope [%4.4s] (%s), New scope -> ", 217 1.1.1.2.8.2 jruoho (UINT32) WalkState->ScopeDepth, 218 1.1.1.2.8.2 jruoho AcpiUtGetNodeName (ScopeInfo->Scope.Node), 219 1.1.1.2.8.2 jruoho AcpiUtGetTypeName (ScopeInfo->Common.Value))); 220 1.1.1.2.8.2 jruoho 221 1.1.1.2.8.2 jruoho NewScopeInfo = WalkState->ScopeInfo; 222 1.1.1.2.8.2 jruoho if (NewScopeInfo) 223 1.1.1.2.8.2 jruoho { 224 1.1.1.2.8.2 jruoho ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC, 225 1.1.1.2.8.2 jruoho "[%4.4s] (%s)\n", 226 1.1.1.2.8.2 jruoho AcpiUtGetNodeName (NewScopeInfo->Scope.Node), 227 1.1.1.2.8.2 jruoho AcpiUtGetTypeName (NewScopeInfo->Common.Value))); 228 1.1.1.2.8.2 jruoho } 229 1.1.1.2.8.2 jruoho else 230 1.1.1.2.8.2 jruoho { 231 1.1.1.2.8.2 jruoho ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC, 232 1.1.1.2.8.2 jruoho "[\\___] (ROOT)\n")); 233 1.1.1.2.8.2 jruoho } 234 1.1.1.2.8.2 jruoho 235 1.1.1.2.8.2 jruoho AcpiUtDeleteGenericState (ScopeInfo); 236 1.1.1.2.8.2 jruoho return_ACPI_STATUS (AE_OK); 237 1.1.1.2.8.2 jruoho } 238 1.1.1.2.8.2 jruoho 239 1.1.1.2.8.2 jruoho 240
Indexes created Tue Oct 14 21:09:58 GMT 2025