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 - 2013, 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 #define __EXDEBUG_C__ 117 118 #include "acpi.h" 119 #include "accommon.h" 120 #include "acinterp.h" 121 122 123 #define _COMPONENT ACPI_EXECUTER 124 ACPI_MODULE_NAME ("exdebug") 125 126 127 #ifndef ACPI_NO_ERROR_MESSAGES 128 /******************************************************************************* 129 * 130 * FUNCTION: AcpiExDoDebugObject 131 * 132 * PARAMETERS: SourceDesc - Object to be output to "Debug Object" 133 * Level - Indentation level (used for packages) 134 * Index - Current package element, zero if not pkg 135 * 136 * RETURN: None 137 * 138 * DESCRIPTION: Handles stores to the AML Debug Object. For example: 139 * Store(INT1, Debug) 140 * 141 * This function is not compiled if ACPI_NO_ERROR_MESSAGES is set. 142 * 143 * This function is only enabled if AcpiGbl_EnableAmlDebugObject is set, or 144 * if ACPI_LV_DEBUG_OBJECT is set in the AcpiDbgLevel. Thus, in the normal 145 * operational case, stores to the debug object are ignored but can be easily 146 * enabled if necessary. 147 * 148 ******************************************************************************/ 149 150 void 151 AcpiExDoDebugObject ( 152 ACPI_OPERAND_OBJECT *SourceDesc, 153 UINT32 Level, 154 UINT32 Index) 155 { 156 UINT32 i; 157 158 159 ACPI_FUNCTION_TRACE_PTR (ExDoDebugObject, SourceDesc); 160 161 162 /* Output must be enabled via the DebugObject global or the DbgLevel */ 163 164 if (!AcpiGbl_EnableAmlDebugObject && 165 !(AcpiDbgLevel & ACPI_LV_DEBUG_OBJECT)) 166 { 167 return_VOID; 168 } 169 170 /* 171 * Print line header as long as we are not in the middle of an 172 * object display 173 */ 174 if (!((Level > 0) && Index == 0)) 175 { 176 AcpiOsPrintf ("[ACPI Debug] %*s", Level, " "); 177 } 178 179 /* Display the index for package output only */ 180 181 if (Index > 0) 182 { 183 AcpiOsPrintf ("(%.2u) ", Index-1); 184 } 185 186 if (!SourceDesc) 187 { 188 AcpiOsPrintf ("[Null Object]\n"); 189 return_VOID; 190 } 191 192 if (ACPI_GET_DESCRIPTOR_TYPE (SourceDesc) == ACPI_DESC_TYPE_OPERAND) 193 { 194 AcpiOsPrintf ("%s ", AcpiUtGetObjectTypeName (SourceDesc)); 195 196 if (!AcpiUtValidInternalObject (SourceDesc)) 197 { 198 AcpiOsPrintf ("%p, Invalid Internal Object!\n", SourceDesc); 199 return_VOID; 200 } 201 } 202 else if (ACPI_GET_DESCRIPTOR_TYPE (SourceDesc) == ACPI_DESC_TYPE_NAMED) 203 { 204 AcpiOsPrintf ("%s: %p\n", 205 AcpiUtGetTypeName (((ACPI_NAMESPACE_NODE *) SourceDesc)->Type), 206 SourceDesc); 207 return_VOID; 208 } 209 else 210 { 211 return_VOID; 212 } 213 214 /* SourceDesc is of type ACPI_DESC_TYPE_OPERAND */ 215 216 switch (SourceDesc->Common.Type) 217 { 218 case ACPI_TYPE_INTEGER: 219 220 /* Output correct integer width */ 221 222 if (AcpiGbl_IntegerByteWidth == 4) 223 { 224 AcpiOsPrintf ("0x%8.8X\n", 225 (UINT32) SourceDesc->Integer.Value); 226 } 227 else 228 { 229 AcpiOsPrintf ("0x%8.8X%8.8X\n", 230 ACPI_FORMAT_UINT64 (SourceDesc->Integer.Value)); 231 } 232 break; 233 234 case ACPI_TYPE_BUFFER: 235 236 AcpiOsPrintf ("[0x%.2X]\n", (UINT32) SourceDesc->Buffer.Length); 237 AcpiUtDumpBuffer (SourceDesc->Buffer.Pointer, 238 (SourceDesc->Buffer.Length < 256) ? 239 SourceDesc->Buffer.Length : 256, DB_BYTE_DISPLAY, 0); 240 break; 241 242 case ACPI_TYPE_STRING: 243 244 AcpiOsPrintf ("[0x%.2X] \"%s\"\n", 245 SourceDesc->String.Length, SourceDesc->String.Pointer); 246 break; 247 248 case ACPI_TYPE_PACKAGE: 249 250 AcpiOsPrintf ("[Contains 0x%.2X Elements]\n", 251 SourceDesc->Package.Count); 252 253 /* Output the entire contents of the package */ 254 255 for (i = 0; i < SourceDesc->Package.Count; i++) 256 { 257 AcpiExDoDebugObject (SourceDesc->Package.Elements[i], 258 Level+4, i+1); 259 } 260 break; 261 262 case ACPI_TYPE_LOCAL_REFERENCE: 263 264 AcpiOsPrintf ("[%s] ", AcpiUtGetReferenceName (SourceDesc)); 265 266 /* Decode the reference */ 267 268 switch (SourceDesc->Reference.Class) 269 { 270 case ACPI_REFCLASS_INDEX: 271 272 AcpiOsPrintf ("0x%X\n", SourceDesc->Reference.Value); 273 break; 274 275 case ACPI_REFCLASS_TABLE: 276 277 /* Case for DdbHandle */ 278 279 AcpiOsPrintf ("Table Index 0x%X\n", SourceDesc->Reference.Value); 280 return_VOID; 281 282 default: 283 284 break; 285 } 286 287 AcpiOsPrintf (" "); 288 289 /* Check for valid node first, then valid object */ 290 291 if (SourceDesc->Reference.Node) 292 { 293 if (ACPI_GET_DESCRIPTOR_TYPE (SourceDesc->Reference.Node) != 294 ACPI_DESC_TYPE_NAMED) 295 { 296 AcpiOsPrintf (" %p - Not a valid namespace node\n", 297 SourceDesc->Reference.Node); 298 } 299 else 300 { 301 AcpiOsPrintf ("Node %p [%4.4s] ", SourceDesc->Reference.Node, 302 (SourceDesc->Reference.Node)->Name.Ascii); 303 304 switch ((SourceDesc->Reference.Node)->Type) 305 { 306 /* These types have no attached object */ 307 308 case ACPI_TYPE_DEVICE: 309 AcpiOsPrintf ("Device\n"); 310 break; 311 312 case ACPI_TYPE_THERMAL: 313 AcpiOsPrintf ("Thermal Zone\n"); 314 break; 315 316 default: 317 318 AcpiExDoDebugObject ((SourceDesc->Reference.Node)->Object, 319 Level+4, 0); 320 break; 321 } 322 } 323 } 324 else if (SourceDesc->Reference.Object) 325 { 326 if (ACPI_GET_DESCRIPTOR_TYPE (SourceDesc->Reference.Object) == 327 ACPI_DESC_TYPE_NAMED) 328 { 329 AcpiExDoDebugObject (((ACPI_NAMESPACE_NODE *) 330 SourceDesc->Reference.Object)->Object, 331 Level+4, 0); 332 } 333 else 334 { 335 AcpiExDoDebugObject (SourceDesc->Reference.Object, 336 Level+4, 0); 337 } 338 } 339 break; 340 341 default: 342 343 AcpiOsPrintf ("%p\n", SourceDesc); 344 break; 345 } 346 347 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC, "\n")); 348 return_VOID; 349 } 350 #endif 351