1 /****************************************************************************** 2 * 3 * Module Name: exdebug - Support for stores to the AML Debug Object 4 * 5 *****************************************************************************/ 6 7 /****************************************************************************** 8 * 9 * 1. Copyright Notice 10 * 11 * Some or all of this work - Copyright (c) 1999 - 2017, Intel Corp. 12 * All rights reserved. 13 * 14 * 2. License 15 * 16 * 2.1. This is your license from Intel Corp. under its intellectual property 17 * rights. You may have additional license terms from the party that provided 18 * you this software, covering your right to use that party's intellectual 19 * property rights. 20 * 21 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 22 * copy of the source code appearing in this file ("Covered Code") an 23 * irrevocable, perpetual, worldwide license under Intel's copyrights in the 24 * base code distributed originally by Intel ("Original Intel Code") to copy, 25 * make derivatives, distribute, use and display any portion of the Covered 26 * Code in any form, with the right to sublicense such rights; and 27 * 28 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 29 * license (with the right to sublicense), under only those claims of Intel 30 * patents that are infringed by the Original Intel Code, to make, use, sell, 31 * offer to sell, and import the Covered Code and derivative works thereof 32 * solely to the minimum extent necessary to exercise the above copyright 33 * license, and in no event shall the patent license extend to any additions 34 * to or modifications of the Original Intel Code. No other license or right 35 * is granted directly or by implication, estoppel or otherwise; 36 * 37 * The above copyright and patent license is granted only if the following 38 * conditions are met: 39 * 40 * 3. Conditions 41 * 42 * 3.1. Redistribution of Source with Rights to Further Distribute Source. 43 * Redistribution of source code of any substantial portion of the Covered 44 * Code or modification with rights to further distribute source must include 45 * the above Copyright Notice, the above License, this list of Conditions, 46 * and the following Disclaimer and Export Compliance provision. In addition, 47 * Licensee must cause all Covered Code to which Licensee contributes to 48 * contain a file documenting the changes Licensee made to create that Covered 49 * Code and the date of any change. Licensee must include in that file the 50 * documentation of any changes made by any predecessor Licensee. Licensee 51 * must include a prominent statement that the modification is derived, 52 * directly or indirectly, from Original Intel Code. 53 * 54 * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 55 * Redistribution of source code of any substantial portion of the Covered 56 * Code or modification without rights to further distribute source must 57 * include the following Disclaimer and Export Compliance provision in the 58 * documentation and/or other materials provided with distribution. In 59 * addition, Licensee may not authorize further sublicense of source of any 60 * portion of the Covered Code, and must include terms to the effect that the 61 * license from Licensee to its licensee is limited to the intellectual 62 * property embodied in the software Licensee provides to its licensee, and 63 * not to intellectual property embodied in modifications its licensee may 64 * make. 65 * 66 * 3.3. Redistribution of Executable. Redistribution in executable form of any 67 * substantial portion of the Covered Code or modification must reproduce the 68 * above Copyright Notice, and the following Disclaimer and Export Compliance 69 * provision in the documentation and/or other materials provided with the 70 * distribution. 71 * 72 * 3.4. Intel retains all right, title, and interest in and to the Original 73 * Intel Code. 74 * 75 * 3.5. Neither the name Intel nor any other trademark owned or controlled by 76 * Intel shall be used in advertising or otherwise to promote the sale, use or 77 * other dealings in products derived from or relating to the Covered Code 78 * without prior written authorization from Intel. 79 * 80 * 4. Disclaimer and Export Compliance 81 * 82 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 83 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 84 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 85 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 86 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 87 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 88 * PARTICULAR PURPOSE. 89 * 90 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 91 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 92 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 93 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 94 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 95 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 96 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 97 * LIMITED REMEDY. 98 * 99 * 4.3. Licensee shall not export, either directly or indirectly, any of this 100 * software or system incorporating such software without first obtaining any 101 * required license or other approval from the U. S. Department of Commerce or 102 * any other agency or department of the United States Government. In the 103 * event Licensee exports any such software from the United States or 104 * re-exports any such software from a foreign destination, Licensee shall 105 * ensure that the distribution and export/re-export of the software is in 106 * compliance with all laws, regulations, orders, or other restrictions of the 107 * U.S. Export Administration Regulations. Licensee agrees that neither it nor 108 * any of its subsidiaries will export/re-export any technical data, process, 109 * software, or service, directly or indirectly, to any country for which the 110 * United States government or any agency thereof requires an export license, 111 * other governmental approval, or letter of assurance, without first obtaining 112 * such license, approval or letter. 113 * 114 ***************************************************************************** 115 * 116 * Alternatively, you may choose to be licensed under the terms of the 117 * following license: 118 * 119 * Redistribution and use in source and binary forms, with or without 120 * modification, are permitted provided that the following conditions 121 * are met: 122 * 1. Redistributions of source code must retain the above copyright 123 * notice, this list of conditions, and the following disclaimer, 124 * without modification. 125 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 126 * substantially similar to the "NO WARRANTY" disclaimer below 127 * ("Disclaimer") and any redistribution must be conditioned upon 128 * including a substantially similar Disclaimer requirement for further 129 * binary redistribution. 130 * 3. Neither the names of the above-listed copyright holders nor the names 131 * of any contributors may be used to endorse or promote products derived 132 * from this software without specific prior written permission. 133 * 134 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 135 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 136 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 137 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 138 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 139 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 140 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 141 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 142 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 143 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 144 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 145 * 146 * Alternatively, you may choose to be licensed under the terms of the 147 * GNU General Public License ("GPL") version 2 as published by the Free 148 * Software Foundation. 149 * 150 *****************************************************************************/ 151 152 #include "acpi.h" 153 #include "accommon.h" 154 #include "acinterp.h" 155 156 157 #define _COMPONENT ACPI_EXECUTER 158 ACPI_MODULE_NAME ("exdebug") 159 160 161 #ifndef ACPI_NO_ERROR_MESSAGES 162 /******************************************************************************* 163 * 164 * FUNCTION: AcpiExDoDebugObject 165 * 166 * PARAMETERS: SourceDesc - Object to be output to "Debug Object" 167 * Level - Indentation level (used for packages) 168 * Index - Current package element, zero if not pkg 169 * 170 * RETURN: None 171 * 172 * DESCRIPTION: Handles stores to the AML Debug Object. For example: 173 * Store(INT1, Debug) 174 * 175 * This function is not compiled if ACPI_NO_ERROR_MESSAGES is set. 176 * 177 * This function is only enabled if AcpiGbl_EnableAmlDebugObject is set, or 178 * if ACPI_LV_DEBUG_OBJECT is set in the AcpiDbgLevel. Thus, in the normal 179 * operational case, stores to the debug object are ignored but can be easily 180 * enabled if necessary. 181 * 182 ******************************************************************************/ 183 184 void 185 AcpiExDoDebugObject ( 186 ACPI_OPERAND_OBJECT *SourceDesc, 187 UINT32 Level, 188 UINT32 Index) 189 { 190 UINT32 i; 191 UINT32 Timer; 192 ACPI_OPERAND_OBJECT *ObjectDesc; 193 UINT32 Value; 194 195 196 ACPI_FUNCTION_TRACE_PTR (ExDoDebugObject, SourceDesc); 197 198 199 /* Output must be enabled via the DebugObject global or the DbgLevel */ 200 201 if (!AcpiGbl_EnableAmlDebugObject && 202 !(AcpiDbgLevel & ACPI_LV_DEBUG_OBJECT)) 203 { 204 return_VOID; 205 } 206 207 /* Null string or newline -- don't emit the line header */ 208 209 if (SourceDesc && 210 (ACPI_GET_DESCRIPTOR_TYPE (SourceDesc) == ACPI_DESC_TYPE_OPERAND) && 211 (SourceDesc->Common.Type == ACPI_TYPE_STRING)) 212 { 213 if ((SourceDesc->String.Length == 0) || 214 ((SourceDesc->String.Length == 1) && 215 (*SourceDesc->String.Pointer == '\n'))) 216 { 217 AcpiOsPrintf ("\n"); 218 return_VOID; 219 } 220 } 221 222 /* 223 * Print line header as long as we are not in the middle of an 224 * object display 225 */ 226 if (!((Level > 0) && Index == 0)) 227 { 228 if (AcpiGbl_DisplayDebugTimer) 229 { 230 /* 231 * We will emit the current timer value (in microseconds) with each 232 * debug output. Only need the lower 26 bits. This allows for 67 233 * million microseconds or 67 seconds before rollover. 234 * 235 * Convert 100 nanosecond units to microseconds 236 */ 237 Timer = ((UINT32) AcpiOsGetTimer () / 10); 238 Timer &= 0x03FFFFFF; 239 240 AcpiOsPrintf ("ACPI Debug: T=0x%8.8X %*s", Timer, Level, " "); 241 } 242 else 243 { 244 AcpiOsPrintf ("ACPI Debug: %*s", Level, " "); 245 } 246 } 247 248 /* Display the index for package output only */ 249 250 if (Index > 0) 251 { 252 AcpiOsPrintf ("(%.2u) ", Index - 1); 253 } 254 255 if (!SourceDesc) 256 { 257 AcpiOsPrintf ("[Null Object]\n"); 258 return_VOID; 259 } 260 261 if (ACPI_GET_DESCRIPTOR_TYPE (SourceDesc) == ACPI_DESC_TYPE_OPERAND) 262 { 263 /* No object type prefix needed for integers and strings */ 264 265 if ((SourceDesc->Common.Type != ACPI_TYPE_INTEGER) && 266 (SourceDesc->Common.Type != ACPI_TYPE_STRING)) 267 { 268 AcpiOsPrintf ("%s ", AcpiUtGetObjectTypeName (SourceDesc)); 269 } 270 271 if (!AcpiUtValidInternalObject (SourceDesc)) 272 { 273 AcpiOsPrintf ("%p, Invalid Internal Object!\n", SourceDesc); 274 return_VOID; 275 } 276 } 277 else if (ACPI_GET_DESCRIPTOR_TYPE (SourceDesc) == ACPI_DESC_TYPE_NAMED) 278 { 279 AcpiOsPrintf ("%s (Node %p)\n", 280 AcpiUtGetTypeName (((ACPI_NAMESPACE_NODE *) SourceDesc)->Type), 281 SourceDesc); 282 return_VOID; 283 } 284 else 285 { 286 return_VOID; 287 } 288 289 /* SourceDesc is of type ACPI_DESC_TYPE_OPERAND */ 290 291 switch (SourceDesc->Common.Type) 292 { 293 case ACPI_TYPE_INTEGER: 294 295 /* Output correct integer width */ 296 297 if (AcpiGbl_IntegerByteWidth == 4) 298 { 299 AcpiOsPrintf ("0x%8.8X\n", 300 (UINT32) SourceDesc->Integer.Value); 301 } 302 else 303 { 304 AcpiOsPrintf ("0x%8.8X%8.8X\n", 305 ACPI_FORMAT_UINT64 (SourceDesc->Integer.Value)); 306 } 307 break; 308 309 case ACPI_TYPE_BUFFER: 310 311 AcpiOsPrintf ("[0x%.2X]\n", (UINT32) SourceDesc->Buffer.Length); 312 AcpiUtDumpBuffer (SourceDesc->Buffer.Pointer, 313 (SourceDesc->Buffer.Length < 256) ? 314 SourceDesc->Buffer.Length : 256, DB_BYTE_DISPLAY, 0); 315 break; 316 317 case ACPI_TYPE_STRING: 318 319 AcpiOsPrintf ("\"%s\"\n", SourceDesc->String.Pointer); 320 break; 321 322 case ACPI_TYPE_PACKAGE: 323 324 AcpiOsPrintf ("(Contains 0x%.2X Elements):\n", 325 SourceDesc->Package.Count); 326 327 /* Output the entire contents of the package */ 328 329 for (i = 0; i < SourceDesc->Package.Count; i++) 330 { 331 AcpiExDoDebugObject (SourceDesc->Package.Elements[i], 332 Level + 4, i + 1); 333 } 334 break; 335 336 case ACPI_TYPE_LOCAL_REFERENCE: 337 338 AcpiOsPrintf ("[%s] ", AcpiUtGetReferenceName (SourceDesc)); 339 340 /* Decode the reference */ 341 342 switch (SourceDesc->Reference.Class) 343 { 344 case ACPI_REFCLASS_INDEX: 345 346 AcpiOsPrintf ("0x%X\n", SourceDesc->Reference.Value); 347 break; 348 349 case ACPI_REFCLASS_TABLE: 350 351 /* Case for DdbHandle */ 352 353 AcpiOsPrintf ("Table Index 0x%X\n", SourceDesc->Reference.Value); 354 return_VOID; 355 356 default: 357 358 break; 359 } 360 361 AcpiOsPrintf (" "); 362 363 /* Check for valid node first, then valid object */ 364 365 if (SourceDesc->Reference.Node) 366 { 367 if (ACPI_GET_DESCRIPTOR_TYPE (SourceDesc->Reference.Node) != 368 ACPI_DESC_TYPE_NAMED) 369 { 370 AcpiOsPrintf (" %p - Not a valid namespace node\n", 371 SourceDesc->Reference.Node); 372 } 373 else 374 { 375 AcpiOsPrintf ("Node %p [%4.4s] ", SourceDesc->Reference.Node, 376 (SourceDesc->Reference.Node)->Name.Ascii); 377 378 switch ((SourceDesc->Reference.Node)->Type) 379 { 380 /* These types have no attached object */ 381 382 case ACPI_TYPE_DEVICE: 383 AcpiOsPrintf ("Device\n"); 384 break; 385 386 case ACPI_TYPE_THERMAL: 387 AcpiOsPrintf ("Thermal Zone\n"); 388 break; 389 390 default: 391 392 AcpiExDoDebugObject ((SourceDesc->Reference.Node)->Object, 393 Level + 4, 0); 394 break; 395 } 396 } 397 } 398 else if (SourceDesc->Reference.Object) 399 { 400 if (ACPI_GET_DESCRIPTOR_TYPE (SourceDesc->Reference.Object) == 401 ACPI_DESC_TYPE_NAMED) 402 { 403 /* Reference object is a namespace node */ 404 405 AcpiExDoDebugObject (ACPI_CAST_PTR (ACPI_OPERAND_OBJECT, 406 SourceDesc->Reference.Object), 407 Level + 4, 0); 408 } 409 else 410 { 411 ObjectDesc = SourceDesc->Reference.Object; 412 Value = SourceDesc->Reference.Value; 413 414 switch (ObjectDesc->Common.Type) 415 { 416 case ACPI_TYPE_BUFFER: 417 418 AcpiOsPrintf ("Buffer[%u] = 0x%2.2X\n", 419 Value, *SourceDesc->Reference.IndexPointer); 420 break; 421 422 case ACPI_TYPE_STRING: 423 424 AcpiOsPrintf ("String[%u] = \"%c\" (0x%2.2X)\n", 425 Value, *SourceDesc->Reference.IndexPointer, 426 *SourceDesc->Reference.IndexPointer); 427 break; 428 429 case ACPI_TYPE_PACKAGE: 430 431 AcpiOsPrintf ("Package[%u] = ", Value); 432 if (!(*SourceDesc->Reference.Where)) 433 { 434 AcpiOsPrintf ("[Uninitialized Package Element]\n"); 435 } 436 else 437 { 438 AcpiExDoDebugObject (*SourceDesc->Reference.Where, 439 Level+4, 0); 440 } 441 break; 442 443 default: 444 445 AcpiOsPrintf ("Unknown Reference object type %X\n", 446 ObjectDesc->Common.Type); 447 break; 448 } 449 } 450 } 451 break; 452 453 default: 454 455 AcpiOsPrintf ("(Descriptor %p)\n", SourceDesc); 456 break; 457 } 458 459 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC, "\n")); 460 return_VOID; 461 } 462 #endif 463