exconcat.c revision 1.1.1.4.2.2
1 1.1.1.4.2.2 jdolecek /****************************************************************************** 2 1.1.1.4.2.2 jdolecek * 3 1.1.1.4.2.2 jdolecek * Module Name: exconcat - Concatenate-type AML operators 4 1.1.1.4.2.2 jdolecek * 5 1.1.1.4.2.2 jdolecek *****************************************************************************/ 6 1.1.1.4.2.2 jdolecek 7 1.1.1.4.2.2 jdolecek /* 8 1.1.1.4.2.2 jdolecek * Copyright (C) 2000 - 2017, Intel Corp. 9 1.1.1.4.2.2 jdolecek * All rights reserved. 10 1.1.1.4.2.2 jdolecek * 11 1.1.1.4.2.2 jdolecek * Redistribution and use in source and binary forms, with or without 12 1.1.1.4.2.2 jdolecek * modification, are permitted provided that the following conditions 13 1.1.1.4.2.2 jdolecek * are met: 14 1.1.1.4.2.2 jdolecek * 1. Redistributions of source code must retain the above copyright 15 1.1.1.4.2.2 jdolecek * notice, this list of conditions, and the following disclaimer, 16 1.1.1.4.2.2 jdolecek * without modification. 17 1.1.1.4.2.2 jdolecek * 2. Redistributions in binary form must reproduce at minimum a disclaimer 18 1.1.1.4.2.2 jdolecek * substantially similar to the "NO WARRANTY" disclaimer below 19 1.1.1.4.2.2 jdolecek * ("Disclaimer") and any redistribution must be conditioned upon 20 1.1.1.4.2.2 jdolecek * including a substantially similar Disclaimer requirement for further 21 1.1.1.4.2.2 jdolecek * binary redistribution. 22 1.1.1.4.2.2 jdolecek * 3. Neither the names of the above-listed copyright holders nor the names 23 1.1.1.4.2.2 jdolecek * of any contributors may be used to endorse or promote products derived 24 1.1.1.4.2.2 jdolecek * from this software without specific prior written permission. 25 1.1.1.4.2.2 jdolecek * 26 1.1.1.4.2.2 jdolecek * Alternatively, this software may be distributed under the terms of the 27 1.1.1.4.2.2 jdolecek * GNU General Public License ("GPL") version 2 as published by the Free 28 1.1.1.4.2.2 jdolecek * Software Foundation. 29 1.1.1.4.2.2 jdolecek * 30 1.1.1.4.2.2 jdolecek * NO WARRANTY 31 1.1.1.4.2.2 jdolecek * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 32 1.1.1.4.2.2 jdolecek * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 33 1.1.1.4.2.2 jdolecek * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 34 1.1.1.4.2.2 jdolecek * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 35 1.1.1.4.2.2 jdolecek * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 36 1.1.1.4.2.2 jdolecek * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 37 1.1.1.4.2.2 jdolecek * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 38 1.1.1.4.2.2 jdolecek * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 39 1.1.1.4.2.2 jdolecek * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 40 1.1.1.4.2.2 jdolecek * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 41 1.1.1.4.2.2 jdolecek * POSSIBILITY OF SUCH DAMAGES. 42 1.1.1.4.2.2 jdolecek */ 43 1.1.1.4.2.2 jdolecek 44 1.1.1.4.2.2 jdolecek #include "acpi.h" 45 1.1.1.4.2.2 jdolecek #include "accommon.h" 46 1.1.1.4.2.2 jdolecek #include "acinterp.h" 47 1.1.1.4.2.2 jdolecek #include "amlresrc.h" 48 1.1.1.4.2.2 jdolecek 49 1.1.1.4.2.2 jdolecek 50 1.1.1.4.2.2 jdolecek #define _COMPONENT ACPI_EXECUTER 51 1.1.1.4.2.2 jdolecek ACPI_MODULE_NAME ("exconcat") 52 1.1.1.4.2.2 jdolecek 53 1.1.1.4.2.2 jdolecek /* Local Prototypes */ 54 1.1.1.4.2.2 jdolecek 55 1.1.1.4.2.2 jdolecek static ACPI_STATUS 56 1.1.1.4.2.2 jdolecek AcpiExConvertToObjectTypeString ( 57 1.1.1.4.2.2 jdolecek ACPI_OPERAND_OBJECT *ObjDesc, 58 1.1.1.4.2.2 jdolecek ACPI_OPERAND_OBJECT **ResultDesc); 59 1.1.1.4.2.2 jdolecek 60 1.1.1.4.2.2 jdolecek 61 1.1.1.4.2.2 jdolecek /******************************************************************************* 62 1.1.1.4.2.2 jdolecek * 63 1.1.1.4.2.2 jdolecek * FUNCTION: AcpiExDoConcatenate 64 1.1.1.4.2.2 jdolecek * 65 1.1.1.4.2.2 jdolecek * PARAMETERS: Operand0 - First source object 66 1.1.1.4.2.2 jdolecek * Operand1 - Second source object 67 1.1.1.4.2.2 jdolecek * ActualReturnDesc - Where to place the return object 68 1.1.1.4.2.2 jdolecek * WalkState - Current walk state 69 1.1.1.4.2.2 jdolecek * 70 1.1.1.4.2.2 jdolecek * RETURN: Status 71 1.1.1.4.2.2 jdolecek * 72 1.1.1.4.2.2 jdolecek * DESCRIPTION: Concatenate two objects with the ACPI-defined conversion 73 1.1.1.4.2.2 jdolecek * rules as necessary. 74 1.1.1.4.2.2 jdolecek * NOTE: 75 1.1.1.4.2.2 jdolecek * Per the ACPI spec (up to 6.1), Concatenate only supports Integer, 76 1.1.1.4.2.2 jdolecek * String, and Buffer objects. However, we support all objects here 77 1.1.1.4.2.2 jdolecek * as an extension. This improves the usefulness of both Concatenate 78 1.1.1.4.2.2 jdolecek * and the Printf/Fprintf macros. The extension returns a string 79 1.1.1.4.2.2 jdolecek * describing the object type for the other objects. 80 1.1.1.4.2.2 jdolecek * 02/2016. 81 1.1.1.4.2.2 jdolecek * 82 1.1.1.4.2.2 jdolecek ******************************************************************************/ 83 1.1.1.4.2.2 jdolecek 84 1.1.1.4.2.2 jdolecek ACPI_STATUS 85 1.1.1.4.2.2 jdolecek AcpiExDoConcatenate ( 86 1.1.1.4.2.2 jdolecek ACPI_OPERAND_OBJECT *Operand0, 87 1.1.1.4.2.2 jdolecek ACPI_OPERAND_OBJECT *Operand1, 88 1.1.1.4.2.2 jdolecek ACPI_OPERAND_OBJECT **ActualReturnDesc, 89 1.1.1.4.2.2 jdolecek ACPI_WALK_STATE *WalkState) 90 1.1.1.4.2.2 jdolecek { 91 1.1.1.4.2.2 jdolecek ACPI_OPERAND_OBJECT *LocalOperand0 = Operand0; 92 1.1.1.4.2.2 jdolecek ACPI_OPERAND_OBJECT *LocalOperand1 = Operand1; 93 1.1.1.4.2.2 jdolecek ACPI_OPERAND_OBJECT *TempOperand1 = NULL; 94 1.1.1.4.2.2 jdolecek ACPI_OPERAND_OBJECT *ReturnDesc; 95 1.1.1.4.2.2 jdolecek char *Buffer; 96 1.1.1.4.2.2 jdolecek ACPI_OBJECT_TYPE Operand0Type; 97 1.1.1.4.2.2 jdolecek ACPI_OBJECT_TYPE Operand1Type; 98 1.1.1.4.2.2 jdolecek ACPI_STATUS Status; 99 1.1.1.4.2.2 jdolecek 100 1.1.1.4.2.2 jdolecek 101 1.1.1.4.2.2 jdolecek ACPI_FUNCTION_TRACE (ExDoConcatenate); 102 1.1.1.4.2.2 jdolecek 103 1.1.1.4.2.2 jdolecek 104 1.1.1.4.2.2 jdolecek /* Operand 0 preprocessing */ 105 1.1.1.4.2.2 jdolecek 106 1.1.1.4.2.2 jdolecek switch (Operand0->Common.Type) 107 1.1.1.4.2.2 jdolecek { 108 1.1.1.4.2.2 jdolecek case ACPI_TYPE_INTEGER: 109 1.1.1.4.2.2 jdolecek case ACPI_TYPE_STRING: 110 1.1.1.4.2.2 jdolecek case ACPI_TYPE_BUFFER: 111 1.1.1.4.2.2 jdolecek 112 1.1.1.4.2.2 jdolecek Operand0Type = Operand0->Common.Type; 113 1.1.1.4.2.2 jdolecek break; 114 1.1.1.4.2.2 jdolecek 115 1.1.1.4.2.2 jdolecek default: 116 1.1.1.4.2.2 jdolecek 117 1.1.1.4.2.2 jdolecek /* For all other types, get the "object type" string */ 118 1.1.1.4.2.2 jdolecek 119 1.1.1.4.2.2 jdolecek Status = AcpiExConvertToObjectTypeString ( 120 1.1.1.4.2.2 jdolecek Operand0, &LocalOperand0); 121 1.1.1.4.2.2 jdolecek if (ACPI_FAILURE (Status)) 122 1.1.1.4.2.2 jdolecek { 123 1.1.1.4.2.2 jdolecek goto Cleanup; 124 1.1.1.4.2.2 jdolecek } 125 1.1.1.4.2.2 jdolecek 126 1.1.1.4.2.2 jdolecek Operand0Type = ACPI_TYPE_STRING; 127 1.1.1.4.2.2 jdolecek break; 128 1.1.1.4.2.2 jdolecek } 129 1.1.1.4.2.2 jdolecek 130 1.1.1.4.2.2 jdolecek /* Operand 1 preprocessing */ 131 1.1.1.4.2.2 jdolecek 132 1.1.1.4.2.2 jdolecek switch (Operand1->Common.Type) 133 1.1.1.4.2.2 jdolecek { 134 1.1.1.4.2.2 jdolecek case ACPI_TYPE_INTEGER: 135 1.1.1.4.2.2 jdolecek case ACPI_TYPE_STRING: 136 1.1.1.4.2.2 jdolecek case ACPI_TYPE_BUFFER: 137 1.1.1.4.2.2 jdolecek 138 1.1.1.4.2.2 jdolecek Operand1Type = Operand1->Common.Type; 139 1.1.1.4.2.2 jdolecek break; 140 1.1.1.4.2.2 jdolecek 141 1.1.1.4.2.2 jdolecek default: 142 1.1.1.4.2.2 jdolecek 143 1.1.1.4.2.2 jdolecek /* For all other types, get the "object type" string */ 144 1.1.1.4.2.2 jdolecek 145 1.1.1.4.2.2 jdolecek Status = AcpiExConvertToObjectTypeString ( 146 1.1.1.4.2.2 jdolecek Operand1, &LocalOperand1); 147 1.1.1.4.2.2 jdolecek if (ACPI_FAILURE (Status)) 148 1.1.1.4.2.2 jdolecek { 149 1.1.1.4.2.2 jdolecek goto Cleanup; 150 1.1.1.4.2.2 jdolecek } 151 1.1.1.4.2.2 jdolecek 152 1.1.1.4.2.2 jdolecek Operand1Type = ACPI_TYPE_STRING; 153 1.1.1.4.2.2 jdolecek break; 154 1.1.1.4.2.2 jdolecek } 155 1.1.1.4.2.2 jdolecek 156 1.1.1.4.2.2 jdolecek /* 157 1.1.1.4.2.2 jdolecek * Convert the second operand if necessary. The first operand (0) 158 1.1.1.4.2.2 jdolecek * determines the type of the second operand (1) (See the Data Types 159 1.1.1.4.2.2 jdolecek * section of the ACPI specification). Both object types are 160 1.1.1.4.2.2 jdolecek * guaranteed to be either Integer/String/Buffer by the operand 161 1.1.1.4.2.2 jdolecek * resolution mechanism. 162 1.1.1.4.2.2 jdolecek */ 163 1.1.1.4.2.2 jdolecek switch (Operand0Type) 164 1.1.1.4.2.2 jdolecek { 165 1.1.1.4.2.2 jdolecek case ACPI_TYPE_INTEGER: 166 1.1.1.4.2.2 jdolecek 167 1.1.1.4.2.2 jdolecek Status = AcpiExConvertToInteger (LocalOperand1, &TempOperand1, 168 1.1.1.4.2.2 jdolecek ACPI_IMPLICIT_CONVERSION); 169 1.1.1.4.2.2 jdolecek break; 170 1.1.1.4.2.2 jdolecek 171 1.1.1.4.2.2 jdolecek case ACPI_TYPE_BUFFER: 172 1.1.1.4.2.2 jdolecek 173 1.1.1.4.2.2 jdolecek Status = AcpiExConvertToBuffer (LocalOperand1, &TempOperand1); 174 1.1.1.4.2.2 jdolecek break; 175 1.1.1.4.2.2 jdolecek 176 1.1.1.4.2.2 jdolecek case ACPI_TYPE_STRING: 177 1.1.1.4.2.2 jdolecek 178 1.1.1.4.2.2 jdolecek switch (Operand1Type) 179 1.1.1.4.2.2 jdolecek { 180 1.1.1.4.2.2 jdolecek case ACPI_TYPE_INTEGER: 181 1.1.1.4.2.2 jdolecek case ACPI_TYPE_STRING: 182 1.1.1.4.2.2 jdolecek case ACPI_TYPE_BUFFER: 183 1.1.1.4.2.2 jdolecek 184 1.1.1.4.2.2 jdolecek /* Other types have already been converted to string */ 185 1.1.1.4.2.2 jdolecek 186 1.1.1.4.2.2 jdolecek Status = AcpiExConvertToString ( 187 1.1.1.4.2.2 jdolecek LocalOperand1, &TempOperand1, ACPI_IMPLICIT_CONVERT_HEX); 188 1.1.1.4.2.2 jdolecek break; 189 1.1.1.4.2.2 jdolecek 190 1.1.1.4.2.2 jdolecek default: 191 1.1.1.4.2.2 jdolecek 192 1.1.1.4.2.2 jdolecek Status = AE_OK; 193 1.1.1.4.2.2 jdolecek break; 194 1.1.1.4.2.2 jdolecek } 195 1.1.1.4.2.2 jdolecek break; 196 1.1.1.4.2.2 jdolecek 197 1.1.1.4.2.2 jdolecek default: 198 1.1.1.4.2.2 jdolecek 199 1.1.1.4.2.2 jdolecek ACPI_ERROR ((AE_INFO, "Invalid object type: 0x%X", 200 1.1.1.4.2.2 jdolecek Operand0->Common.Type)); 201 1.1.1.4.2.2 jdolecek Status = AE_AML_INTERNAL; 202 1.1.1.4.2.2 jdolecek } 203 1.1.1.4.2.2 jdolecek 204 1.1.1.4.2.2 jdolecek if (ACPI_FAILURE (Status)) 205 1.1.1.4.2.2 jdolecek { 206 1.1.1.4.2.2 jdolecek goto Cleanup; 207 1.1.1.4.2.2 jdolecek } 208 1.1.1.4.2.2 jdolecek 209 1.1.1.4.2.2 jdolecek /* Take care with any newly created operand objects */ 210 1.1.1.4.2.2 jdolecek 211 1.1.1.4.2.2 jdolecek if ((LocalOperand1 != Operand1) && 212 1.1.1.4.2.2 jdolecek (LocalOperand1 != TempOperand1)) 213 1.1.1.4.2.2 jdolecek { 214 1.1.1.4.2.2 jdolecek AcpiUtRemoveReference (LocalOperand1); 215 1.1.1.4.2.2 jdolecek } 216 1.1.1.4.2.2 jdolecek 217 1.1.1.4.2.2 jdolecek LocalOperand1 = TempOperand1; 218 1.1.1.4.2.2 jdolecek 219 1.1.1.4.2.2 jdolecek /* 220 1.1.1.4.2.2 jdolecek * Both operands are now known to be the same object type 221 1.1.1.4.2.2 jdolecek * (Both are Integer, String, or Buffer), and we can now perform 222 1.1.1.4.2.2 jdolecek * the concatenation. 223 1.1.1.4.2.2 jdolecek * 224 1.1.1.4.2.2 jdolecek * There are three cases to handle, as per the ACPI spec: 225 1.1.1.4.2.2 jdolecek * 226 1.1.1.4.2.2 jdolecek * 1) Two Integers concatenated to produce a new Buffer 227 1.1.1.4.2.2 jdolecek * 2) Two Strings concatenated to produce a new String 228 1.1.1.4.2.2 jdolecek * 3) Two Buffers concatenated to produce a new Buffer 229 1.1.1.4.2.2 jdolecek */ 230 1.1.1.4.2.2 jdolecek switch (Operand0Type) 231 1.1.1.4.2.2 jdolecek { 232 1.1.1.4.2.2 jdolecek case ACPI_TYPE_INTEGER: 233 1.1.1.4.2.2 jdolecek 234 1.1.1.4.2.2 jdolecek /* Result of two Integers is a Buffer */ 235 1.1.1.4.2.2 jdolecek /* Need enough buffer space for two integers */ 236 1.1.1.4.2.2 jdolecek 237 1.1.1.4.2.2 jdolecek ReturnDesc = AcpiUtCreateBufferObject ( 238 1.1.1.4.2.2 jdolecek (ACPI_SIZE) ACPI_MUL_2 (AcpiGbl_IntegerByteWidth)); 239 1.1.1.4.2.2 jdolecek if (!ReturnDesc) 240 1.1.1.4.2.2 jdolecek { 241 1.1.1.4.2.2 jdolecek Status = AE_NO_MEMORY; 242 1.1.1.4.2.2 jdolecek goto Cleanup; 243 1.1.1.4.2.2 jdolecek } 244 1.1.1.4.2.2 jdolecek 245 1.1.1.4.2.2 jdolecek Buffer = (char *) ReturnDesc->Buffer.Pointer; 246 1.1.1.4.2.2 jdolecek 247 1.1.1.4.2.2 jdolecek /* Copy the first integer, LSB first */ 248 1.1.1.4.2.2 jdolecek 249 1.1.1.4.2.2 jdolecek memcpy (Buffer, &Operand0->Integer.Value, 250 1.1.1.4.2.2 jdolecek AcpiGbl_IntegerByteWidth); 251 1.1.1.4.2.2 jdolecek 252 1.1.1.4.2.2 jdolecek /* Copy the second integer (LSB first) after the first */ 253 1.1.1.4.2.2 jdolecek 254 1.1.1.4.2.2 jdolecek memcpy (Buffer + AcpiGbl_IntegerByteWidth, 255 1.1.1.4.2.2 jdolecek &LocalOperand1->Integer.Value, AcpiGbl_IntegerByteWidth); 256 1.1.1.4.2.2 jdolecek break; 257 1.1.1.4.2.2 jdolecek 258 1.1.1.4.2.2 jdolecek case ACPI_TYPE_STRING: 259 1.1.1.4.2.2 jdolecek 260 1.1.1.4.2.2 jdolecek /* Result of two Strings is a String */ 261 1.1.1.4.2.2 jdolecek 262 1.1.1.4.2.2 jdolecek ReturnDesc = AcpiUtCreateStringObject ( 263 1.1.1.4.2.2 jdolecek ((ACPI_SIZE) LocalOperand0->String.Length + 264 1.1.1.4.2.2 jdolecek LocalOperand1->String.Length)); 265 1.1.1.4.2.2 jdolecek if (!ReturnDesc) 266 1.1.1.4.2.2 jdolecek { 267 1.1.1.4.2.2 jdolecek Status = AE_NO_MEMORY; 268 1.1.1.4.2.2 jdolecek goto Cleanup; 269 1.1.1.4.2.2 jdolecek } 270 1.1.1.4.2.2 jdolecek 271 1.1.1.4.2.2 jdolecek Buffer = ReturnDesc->String.Pointer; 272 1.1.1.4.2.2 jdolecek 273 1.1.1.4.2.2 jdolecek /* Concatenate the strings */ 274 1.1.1.4.2.2 jdolecek 275 1.1.1.4.2.2 jdolecek strcpy (Buffer, LocalOperand0->String.Pointer); 276 1.1.1.4.2.2 jdolecek strcat (Buffer, LocalOperand1->String.Pointer); 277 1.1.1.4.2.2 jdolecek break; 278 1.1.1.4.2.2 jdolecek 279 1.1.1.4.2.2 jdolecek case ACPI_TYPE_BUFFER: 280 1.1.1.4.2.2 jdolecek 281 1.1.1.4.2.2 jdolecek /* Result of two Buffers is a Buffer */ 282 1.1.1.4.2.2 jdolecek 283 1.1.1.4.2.2 jdolecek ReturnDesc = AcpiUtCreateBufferObject ( 284 1.1.1.4.2.2 jdolecek ((ACPI_SIZE) Operand0->Buffer.Length + 285 1.1.1.4.2.2 jdolecek LocalOperand1->Buffer.Length)); 286 1.1.1.4.2.2 jdolecek if (!ReturnDesc) 287 1.1.1.4.2.2 jdolecek { 288 1.1.1.4.2.2 jdolecek Status = AE_NO_MEMORY; 289 1.1.1.4.2.2 jdolecek goto Cleanup; 290 1.1.1.4.2.2 jdolecek } 291 1.1.1.4.2.2 jdolecek 292 1.1.1.4.2.2 jdolecek Buffer = (char *) ReturnDesc->Buffer.Pointer; 293 1.1.1.4.2.2 jdolecek 294 1.1.1.4.2.2 jdolecek /* Concatenate the buffers */ 295 1.1.1.4.2.2 jdolecek 296 1.1.1.4.2.2 jdolecek memcpy (Buffer, Operand0->Buffer.Pointer, 297 1.1.1.4.2.2 jdolecek Operand0->Buffer.Length); 298 1.1.1.4.2.2 jdolecek memcpy (Buffer + Operand0->Buffer.Length, 299 1.1.1.4.2.2 jdolecek LocalOperand1->Buffer.Pointer, 300 1.1.1.4.2.2 jdolecek LocalOperand1->Buffer.Length); 301 1.1.1.4.2.2 jdolecek break; 302 1.1.1.4.2.2 jdolecek 303 1.1.1.4.2.2 jdolecek default: 304 1.1.1.4.2.2 jdolecek 305 1.1.1.4.2.2 jdolecek /* Invalid object type, should not happen here */ 306 1.1.1.4.2.2 jdolecek 307 1.1.1.4.2.2 jdolecek ACPI_ERROR ((AE_INFO, "Invalid object type: 0x%X", 308 1.1.1.4.2.2 jdolecek Operand0->Common.Type)); 309 1.1.1.4.2.2 jdolecek Status = AE_AML_INTERNAL; 310 1.1.1.4.2.2 jdolecek goto Cleanup; 311 1.1.1.4.2.2 jdolecek } 312 1.1.1.4.2.2 jdolecek 313 1.1.1.4.2.2 jdolecek *ActualReturnDesc = ReturnDesc; 314 1.1.1.4.2.2 jdolecek 315 1.1.1.4.2.2 jdolecek Cleanup: 316 1.1.1.4.2.2 jdolecek if (LocalOperand0 != Operand0) 317 1.1.1.4.2.2 jdolecek { 318 1.1.1.4.2.2 jdolecek AcpiUtRemoveReference (LocalOperand0); 319 1.1.1.4.2.2 jdolecek } 320 1.1.1.4.2.2 jdolecek 321 1.1.1.4.2.2 jdolecek if (LocalOperand1 != Operand1) 322 1.1.1.4.2.2 jdolecek { 323 1.1.1.4.2.2 jdolecek AcpiUtRemoveReference (LocalOperand1); 324 1.1.1.4.2.2 jdolecek } 325 1.1.1.4.2.2 jdolecek 326 1.1.1.4.2.2 jdolecek return_ACPI_STATUS (Status); 327 1.1.1.4.2.2 jdolecek } 328 1.1.1.4.2.2 jdolecek 329 1.1.1.4.2.2 jdolecek 330 1.1.1.4.2.2 jdolecek /******************************************************************************* 331 1.1.1.4.2.2 jdolecek * 332 1.1.1.4.2.2 jdolecek * FUNCTION: AcpiExConvertToObjectTypeString 333 1.1.1.4.2.2 jdolecek * 334 1.1.1.4.2.2 jdolecek * PARAMETERS: ObjDesc - Object to be converted 335 1.1.1.4.2.2 jdolecek * ReturnDesc - Where to place the return object 336 1.1.1.4.2.2 jdolecek * 337 1.1.1.4.2.2 jdolecek * RETURN: Status 338 1.1.1.4.2.2 jdolecek * 339 1.1.1.4.2.2 jdolecek * DESCRIPTION: Convert an object of arbitrary type to a string object that 340 1.1.1.4.2.2 jdolecek * contains the namestring for the object. Used for the 341 1.1.1.4.2.2 jdolecek * concatenate operator. 342 1.1.1.4.2.2 jdolecek * 343 1.1.1.4.2.2 jdolecek ******************************************************************************/ 344 1.1.1.4.2.2 jdolecek 345 1.1.1.4.2.2 jdolecek static ACPI_STATUS 346 1.1.1.4.2.2 jdolecek AcpiExConvertToObjectTypeString ( 347 1.1.1.4.2.2 jdolecek ACPI_OPERAND_OBJECT *ObjDesc, 348 1.1.1.4.2.2 jdolecek ACPI_OPERAND_OBJECT **ResultDesc) 349 1.1.1.4.2.2 jdolecek { 350 1.1.1.4.2.2 jdolecek ACPI_OPERAND_OBJECT *ReturnDesc; 351 1.1.1.4.2.2 jdolecek const char *TypeString; 352 1.1.1.4.2.2 jdolecek 353 1.1.1.4.2.2 jdolecek 354 1.1.1.4.2.2 jdolecek TypeString = AcpiUtGetTypeName (ObjDesc->Common.Type); 355 1.1.1.4.2.2 jdolecek 356 1.1.1.4.2.2 jdolecek ReturnDesc = AcpiUtCreateStringObject ( 357 1.1.1.4.2.2 jdolecek ((ACPI_SIZE) strlen (TypeString) + 9)); /* 9 For "[ Object]" */ 358 1.1.1.4.2.2 jdolecek if (!ReturnDesc) 359 1.1.1.4.2.2 jdolecek { 360 1.1.1.4.2.2 jdolecek return (AE_NO_MEMORY); 361 1.1.1.4.2.2 jdolecek } 362 1.1.1.4.2.2 jdolecek 363 1.1.1.4.2.2 jdolecek strcpy (ReturnDesc->String.Pointer, "["); 364 1.1.1.4.2.2 jdolecek strcat (ReturnDesc->String.Pointer, TypeString); 365 1.1.1.4.2.2 jdolecek strcat (ReturnDesc->String.Pointer, " Object]"); 366 1.1.1.4.2.2 jdolecek 367 1.1.1.4.2.2 jdolecek *ResultDesc = ReturnDesc; 368 1.1.1.4.2.2 jdolecek return (AE_OK); 369 1.1.1.4.2.2 jdolecek } 370 1.1.1.4.2.2 jdolecek 371 1.1.1.4.2.2 jdolecek 372 1.1.1.4.2.2 jdolecek /******************************************************************************* 373 1.1.1.4.2.2 jdolecek * 374 1.1.1.4.2.2 jdolecek * FUNCTION: AcpiExConcatTemplate 375 1.1.1.4.2.2 jdolecek * 376 1.1.1.4.2.2 jdolecek * PARAMETERS: Operand0 - First source object 377 1.1.1.4.2.2 jdolecek * Operand1 - Second source object 378 1.1.1.4.2.2 jdolecek * ActualReturnDesc - Where to place the return object 379 1.1.1.4.2.2 jdolecek * WalkState - Current walk state 380 1.1.1.4.2.2 jdolecek * 381 1.1.1.4.2.2 jdolecek * RETURN: Status 382 1.1.1.4.2.2 jdolecek * 383 1.1.1.4.2.2 jdolecek * DESCRIPTION: Concatenate two resource templates 384 1.1.1.4.2.2 jdolecek * 385 1.1.1.4.2.2 jdolecek ******************************************************************************/ 386 1.1.1.4.2.2 jdolecek 387 1.1.1.4.2.2 jdolecek ACPI_STATUS 388 1.1.1.4.2.2 jdolecek AcpiExConcatTemplate ( 389 1.1.1.4.2.2 jdolecek ACPI_OPERAND_OBJECT *Operand0, 390 1.1.1.4.2.2 jdolecek ACPI_OPERAND_OBJECT *Operand1, 391 1.1.1.4.2.2 jdolecek ACPI_OPERAND_OBJECT **ActualReturnDesc, 392 1.1.1.4.2.2 jdolecek ACPI_WALK_STATE *WalkState) 393 1.1.1.4.2.2 jdolecek { 394 1.1.1.4.2.2 jdolecek ACPI_STATUS Status; 395 1.1.1.4.2.2 jdolecek ACPI_OPERAND_OBJECT *ReturnDesc; 396 1.1.1.4.2.2 jdolecek UINT8 *NewBuf; 397 1.1.1.4.2.2 jdolecek UINT8 *EndTag; 398 1.1.1.4.2.2 jdolecek ACPI_SIZE Length0; 399 1.1.1.4.2.2 jdolecek ACPI_SIZE Length1; 400 1.1.1.4.2.2 jdolecek ACPI_SIZE NewLength; 401 1.1.1.4.2.2 jdolecek 402 1.1.1.4.2.2 jdolecek 403 1.1.1.4.2.2 jdolecek ACPI_FUNCTION_TRACE (ExConcatTemplate); 404 1.1.1.4.2.2 jdolecek 405 1.1.1.4.2.2 jdolecek 406 1.1.1.4.2.2 jdolecek /* 407 1.1.1.4.2.2 jdolecek * Find the EndTag descriptor in each resource template. 408 1.1.1.4.2.2 jdolecek * Note1: returned pointers point TO the EndTag, not past it. 409 1.1.1.4.2.2 jdolecek * Note2: zero-length buffers are allowed; treated like one EndTag 410 1.1.1.4.2.2 jdolecek */ 411 1.1.1.4.2.2 jdolecek 412 1.1.1.4.2.2 jdolecek /* Get the length of the first resource template */ 413 1.1.1.4.2.2 jdolecek 414 1.1.1.4.2.2 jdolecek Status = AcpiUtGetResourceEndTag (Operand0, &EndTag); 415 1.1.1.4.2.2 jdolecek if (ACPI_FAILURE (Status)) 416 1.1.1.4.2.2 jdolecek { 417 1.1.1.4.2.2 jdolecek return_ACPI_STATUS (Status); 418 1.1.1.4.2.2 jdolecek } 419 1.1.1.4.2.2 jdolecek 420 1.1.1.4.2.2 jdolecek Length0 = ACPI_PTR_DIFF (EndTag, Operand0->Buffer.Pointer); 421 1.1.1.4.2.2 jdolecek 422 1.1.1.4.2.2 jdolecek /* Get the length of the second resource template */ 423 1.1.1.4.2.2 jdolecek 424 1.1.1.4.2.2 jdolecek Status = AcpiUtGetResourceEndTag (Operand1, &EndTag); 425 1.1.1.4.2.2 jdolecek if (ACPI_FAILURE (Status)) 426 1.1.1.4.2.2 jdolecek { 427 1.1.1.4.2.2 jdolecek return_ACPI_STATUS (Status); 428 1.1.1.4.2.2 jdolecek } 429 1.1.1.4.2.2 jdolecek 430 1.1.1.4.2.2 jdolecek Length1 = ACPI_PTR_DIFF (EndTag, Operand1->Buffer.Pointer); 431 1.1.1.4.2.2 jdolecek 432 1.1.1.4.2.2 jdolecek /* Combine both lengths, minimum size will be 2 for EndTag */ 433 1.1.1.4.2.2 jdolecek 434 1.1.1.4.2.2 jdolecek NewLength = Length0 + Length1 + sizeof (AML_RESOURCE_END_TAG); 435 1.1.1.4.2.2 jdolecek 436 1.1.1.4.2.2 jdolecek /* Create a new buffer object for the result (with one EndTag) */ 437 1.1.1.4.2.2 jdolecek 438 1.1.1.4.2.2 jdolecek ReturnDesc = AcpiUtCreateBufferObject (NewLength); 439 1.1.1.4.2.2 jdolecek if (!ReturnDesc) 440 1.1.1.4.2.2 jdolecek { 441 1.1.1.4.2.2 jdolecek return_ACPI_STATUS (AE_NO_MEMORY); 442 1.1.1.4.2.2 jdolecek } 443 1.1.1.4.2.2 jdolecek 444 1.1.1.4.2.2 jdolecek /* 445 1.1.1.4.2.2 jdolecek * Copy the templates to the new buffer, 0 first, then 1 follows. One 446 1.1.1.4.2.2 jdolecek * EndTag descriptor is copied from Operand1. 447 1.1.1.4.2.2 jdolecek */ 448 1.1.1.4.2.2 jdolecek NewBuf = ReturnDesc->Buffer.Pointer; 449 1.1.1.4.2.2 jdolecek memcpy (NewBuf, Operand0->Buffer.Pointer, Length0); 450 1.1.1.4.2.2 jdolecek memcpy (NewBuf + Length0, Operand1->Buffer.Pointer, Length1); 451 1.1.1.4.2.2 jdolecek 452 1.1.1.4.2.2 jdolecek /* Insert EndTag and set the checksum to zero, means "ignore checksum" */ 453 1.1.1.4.2.2 jdolecek 454 1.1.1.4.2.2 jdolecek NewBuf[NewLength - 1] = 0; 455 1.1.1.4.2.2 jdolecek NewBuf[NewLength - 2] = ACPI_RESOURCE_NAME_END_TAG | 1; 456 1.1.1.4.2.2 jdolecek 457 1.1.1.4.2.2 jdolecek /* Return the completed resource template */ 458 1.1.1.4.2.2 jdolecek 459 1.1.1.4.2.2 jdolecek *ActualReturnDesc = ReturnDesc; 460 1.1.1.4.2.2 jdolecek return_ACPI_STATUS (AE_OK); 461 1.1.1.4.2.2 jdolecek } 462
Indexes created Thu Oct 02 07:10:07 GMT 2025