1 /*******************************************************************************
3 * Module Name: dmobject - ACPI object decode and display
5 ******************************************************************************/
8 * Copyright (C) 2000 - 2013, Intel Corp.
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20 * including a substantially similar Disclaimer requirement for further
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23 * of any contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
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45 #include <contrib/dev/acpica/include/acpi.h>
46 #include <contrib/dev/acpica/include/accommon.h>
47 #include <contrib/dev/acpica/include/acnamesp.h>
48 #include <contrib/dev/acpica/include/acdisasm.h>
51 #ifdef ACPI_DISASSEMBLER
53 #define _COMPONENT ACPI_CA_DEBUGGER
54 ACPI_MODULE_NAME ("dmnames")
56 /* Local prototypes */
60 ACPI_NAMESPACE_NODE *Node);
63 /*******************************************************************************
65 * FUNCTION: AcpiDmDumpMethodInfo
67 * PARAMETERS: Status - Method execution status
68 * WalkState - Current state of the parse tree walk
69 * Op - Executing parse op
73 * DESCRIPTION: Called when a method has been aborted because of an error.
74 * Dumps the method execution stack, and the method locals/args,
75 * and disassembles the AML opcode that failed.
77 ******************************************************************************/
80 AcpiDmDumpMethodInfo (
82 ACPI_WALK_STATE *WalkState,
83 ACPI_PARSE_OBJECT *Op)
85 ACPI_PARSE_OBJECT *Next;
86 ACPI_THREAD_STATE *Thread;
87 ACPI_WALK_STATE *NextWalkState;
88 ACPI_NAMESPACE_NODE *PreviousMethod = NULL;
91 /* Ignore control codes, they are not errors */
93 if ((Status & AE_CODE_MASK) == AE_CODE_CONTROL)
98 /* We may be executing a deferred opcode */
100 if (WalkState->DeferredNode)
102 AcpiOsPrintf ("Executing subtree for Buffer/Package/Region\n");
107 * If there is no Thread, we are not actually executing a method.
108 * This can happen when the iASL compiler calls the interpreter
109 * to perform constant folding.
111 Thread = WalkState->Thread;
117 /* Display exception and method name */
119 AcpiOsPrintf ("\n**** Exception %s during execution of method ",
120 AcpiFormatException (Status));
121 AcpiNsPrintNodePathname (WalkState->MethodNode, NULL);
123 /* Display stack of executing methods */
125 AcpiOsPrintf ("\n\nMethod Execution Stack:\n");
126 NextWalkState = Thread->WalkStateList;
128 /* Walk list of linked walk states */
130 while (NextWalkState)
132 AcpiOsPrintf (" Method [%4.4s] executing: ",
133 AcpiUtGetNodeName (NextWalkState->MethodNode));
135 /* First method is the currently executing method */
137 if (NextWalkState == WalkState)
141 /* Display currently executing ASL statement */
143 Next = Op->Common.Next;
144 Op->Common.Next = NULL;
146 AcpiDmDisassemble (NextWalkState, Op, ACPI_UINT32_MAX);
147 Op->Common.Next = Next;
153 * This method has called another method
154 * NOTE: the method call parse subtree is already deleted at this
155 * point, so we cannot disassemble the method invocation.
157 AcpiOsPrintf ("Call to method ");
158 AcpiNsPrintNodePathname (PreviousMethod, NULL);
161 PreviousMethod = NextWalkState->MethodNode;
162 NextWalkState = NextWalkState->Next;
166 /* Display the method locals and arguments */
169 AcpiDmDisplayLocals (WalkState);
171 AcpiDmDisplayArguments (WalkState);
176 /*******************************************************************************
178 * FUNCTION: AcpiDmDecodeInternalObject
180 * PARAMETERS: ObjDesc - Object to be displayed
184 * DESCRIPTION: Short display of an internal object. Numbers/Strings/Buffers.
186 ******************************************************************************/
189 AcpiDmDecodeInternalObject (
190 ACPI_OPERAND_OBJECT *ObjDesc)
197 AcpiOsPrintf (" Uninitialized");
201 if (ACPI_GET_DESCRIPTOR_TYPE (ObjDesc) != ACPI_DESC_TYPE_OPERAND)
203 AcpiOsPrintf (" %p [%s]", ObjDesc, AcpiUtGetDescriptorName (ObjDesc));
207 AcpiOsPrintf (" %s", AcpiUtGetObjectTypeName (ObjDesc));
209 switch (ObjDesc->Common.Type)
211 case ACPI_TYPE_INTEGER:
213 AcpiOsPrintf (" %8.8X%8.8X",
214 ACPI_FORMAT_UINT64 (ObjDesc->Integer.Value));
217 case ACPI_TYPE_STRING:
219 AcpiOsPrintf ("(%u) \"%.24s",
220 ObjDesc->String.Length, ObjDesc->String.Pointer);
222 if (ObjDesc->String.Length > 24)
224 AcpiOsPrintf ("...");
232 case ACPI_TYPE_BUFFER:
234 AcpiOsPrintf ("(%u)", ObjDesc->Buffer.Length);
235 for (i = 0; (i < 8) && (i < ObjDesc->Buffer.Length); i++)
237 AcpiOsPrintf (" %2.2X", ObjDesc->Buffer.Pointer[i]);
243 AcpiOsPrintf (" %p", ObjDesc);
249 /*******************************************************************************
251 * FUNCTION: AcpiDmDecodeNode
253 * PARAMETERS: Node - Object to be displayed
257 * DESCRIPTION: Short display of a namespace node
259 ******************************************************************************/
263 ACPI_NAMESPACE_NODE *Node)
266 AcpiOsPrintf ("<Node> Name %4.4s",
267 AcpiUtGetNodeName (Node));
269 if (Node->Flags & ANOBJ_METHOD_ARG)
271 AcpiOsPrintf (" [Method Arg]");
273 if (Node->Flags & ANOBJ_METHOD_LOCAL)
275 AcpiOsPrintf (" [Method Local]");
280 /* These types have no attached object */
282 case ACPI_TYPE_DEVICE:
284 AcpiOsPrintf (" Device");
287 case ACPI_TYPE_THERMAL:
289 AcpiOsPrintf (" Thermal Zone");
294 AcpiDmDecodeInternalObject (AcpiNsGetAttachedObject (Node));
300 /*******************************************************************************
302 * FUNCTION: AcpiDmDisplayInternalObject
304 * PARAMETERS: ObjDesc - Object to be displayed
305 * WalkState - Current walk state
309 * DESCRIPTION: Short display of an internal object
311 ******************************************************************************/
314 AcpiDmDisplayInternalObject (
315 ACPI_OPERAND_OBJECT *ObjDesc,
316 ACPI_WALK_STATE *WalkState)
321 AcpiOsPrintf ("%p ", ObjDesc);
325 AcpiOsPrintf ("<Null Object>\n");
329 /* Decode the object type */
331 switch (ACPI_GET_DESCRIPTOR_TYPE (ObjDesc))
333 case ACPI_DESC_TYPE_PARSER:
335 AcpiOsPrintf ("<Parser> ");
338 case ACPI_DESC_TYPE_NAMED:
340 AcpiDmDecodeNode ((ACPI_NAMESPACE_NODE *) ObjDesc);
343 case ACPI_DESC_TYPE_OPERAND:
345 Type = ObjDesc->Common.Type;
346 if (Type > ACPI_TYPE_LOCAL_MAX)
348 AcpiOsPrintf (" Type %X [Invalid Type]", (UINT32) Type);
352 /* Decode the ACPI object type */
354 switch (ObjDesc->Common.Type)
356 case ACPI_TYPE_LOCAL_REFERENCE:
358 AcpiOsPrintf ("[%s] ", AcpiUtGetReferenceName (ObjDesc));
360 /* Decode the refererence */
362 switch (ObjDesc->Reference.Class)
364 case ACPI_REFCLASS_LOCAL:
366 AcpiOsPrintf ("%X ", ObjDesc->Reference.Value);
369 ObjDesc = WalkState->LocalVariables
370 [ObjDesc->Reference.Value].Object;
371 AcpiOsPrintf ("%p", ObjDesc);
372 AcpiDmDecodeInternalObject (ObjDesc);
376 case ACPI_REFCLASS_ARG:
378 AcpiOsPrintf ("%X ", ObjDesc->Reference.Value);
381 ObjDesc = WalkState->Arguments
382 [ObjDesc->Reference.Value].Object;
383 AcpiOsPrintf ("%p", ObjDesc);
384 AcpiDmDecodeInternalObject (ObjDesc);
388 case ACPI_REFCLASS_INDEX:
390 switch (ObjDesc->Reference.TargetType)
392 case ACPI_TYPE_BUFFER_FIELD:
394 AcpiOsPrintf ("%p", ObjDesc->Reference.Object);
395 AcpiDmDecodeInternalObject (ObjDesc->Reference.Object);
398 case ACPI_TYPE_PACKAGE:
400 AcpiOsPrintf ("%p", ObjDesc->Reference.Where);
401 if (!ObjDesc->Reference.Where)
403 AcpiOsPrintf (" Uninitialized WHERE pointer");
407 AcpiDmDecodeInternalObject (
408 *(ObjDesc->Reference.Where));
414 AcpiOsPrintf ("Unknown index target type");
419 case ACPI_REFCLASS_REFOF:
421 if (!ObjDesc->Reference.Object)
423 AcpiOsPrintf ("Uninitialized reference subobject pointer");
427 /* Reference can be to a Node or an Operand object */
429 switch (ACPI_GET_DESCRIPTOR_TYPE (ObjDesc->Reference.Object))
431 case ACPI_DESC_TYPE_NAMED:
432 AcpiDmDecodeNode (ObjDesc->Reference.Object);
435 case ACPI_DESC_TYPE_OPERAND:
436 AcpiDmDecodeInternalObject (ObjDesc->Reference.Object);
444 case ACPI_REFCLASS_NAME:
446 AcpiDmDecodeNode (ObjDesc->Reference.Node);
449 case ACPI_REFCLASS_DEBUG:
450 case ACPI_REFCLASS_TABLE:
455 default: /* Unknown reference class */
457 AcpiOsPrintf ("%2.2X\n", ObjDesc->Reference.Class);
464 AcpiOsPrintf ("<Obj> ");
465 AcpiDmDecodeInternalObject (ObjDesc);
472 AcpiOsPrintf ("<Not a valid ACPI Object Descriptor> [%s]",
473 AcpiUtGetDescriptorName (ObjDesc));
481 /*******************************************************************************
483 * FUNCTION: AcpiDmDisplayLocals
485 * PARAMETERS: WalkState - State for current method
489 * DESCRIPTION: Display all locals for the currently running control method
491 ******************************************************************************/
494 AcpiDmDisplayLocals (
495 ACPI_WALK_STATE *WalkState)
498 ACPI_OPERAND_OBJECT *ObjDesc;
499 ACPI_NAMESPACE_NODE *Node;
502 ObjDesc = WalkState->MethodDesc;
503 Node = WalkState->MethodNode;
507 "No method node (Executing subtree for buffer or opregion)\n");
511 if (Node->Type != ACPI_TYPE_METHOD)
513 AcpiOsPrintf ("Executing subtree for Buffer/Package/Region\n");
517 AcpiOsPrintf ("Local Variables for method [%4.4s]:\n",
518 AcpiUtGetNodeName (Node));
520 for (i = 0; i < ACPI_METHOD_NUM_LOCALS; i++)
522 ObjDesc = WalkState->LocalVariables[i].Object;
523 AcpiOsPrintf (" Local%X: ", i);
524 AcpiDmDisplayInternalObject (ObjDesc, WalkState);
529 /*******************************************************************************
531 * FUNCTION: AcpiDmDisplayArguments
533 * PARAMETERS: WalkState - State for current method
537 * DESCRIPTION: Display all arguments for the currently running control method
539 ******************************************************************************/
542 AcpiDmDisplayArguments (
543 ACPI_WALK_STATE *WalkState)
546 ACPI_OPERAND_OBJECT *ObjDesc;
547 ACPI_NAMESPACE_NODE *Node;
550 ObjDesc = WalkState->MethodDesc;
551 Node = WalkState->MethodNode;
555 "No method node (Executing subtree for buffer or opregion)\n");
559 if (Node->Type != ACPI_TYPE_METHOD)
561 AcpiOsPrintf ("Executing subtree for Buffer/Package/Region\n");
566 "Arguments for Method [%4.4s]: (%X arguments defined, max concurrency = %X)\n",
567 AcpiUtGetNodeName (Node), ObjDesc->Method.ParamCount, ObjDesc->Method.SyncLevel);
569 for (i = 0; i < ACPI_METHOD_NUM_ARGS; i++)
571 ObjDesc = WalkState->Arguments[i].Object;
572 AcpiOsPrintf (" Arg%u: ", i);
573 AcpiDmDisplayInternalObject (ObjDesc, WalkState);