1 /*******************************************************************************
3 * Module Name: dbxface - AML Debugger external interfaces
6 ******************************************************************************/
8 /******************************************************************************
12 * Some or all of this work - Copyright (c) 1999 - 2003, Intel Corp.
13 * All rights reserved.
17 * 2.1. This is your license from Intel Corp. under its intellectual property
18 * rights. You may have additional license terms from the party that provided
19 * you this software, covering your right to use that party's intellectual
22 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
23 * copy of the source code appearing in this file ("Covered Code") an
24 * irrevocable, perpetual, worldwide license under Intel's copyrights in the
25 * base code distributed originally by Intel ("Original Intel Code") to copy,
26 * make derivatives, distribute, use and display any portion of the Covered
27 * Code in any form, with the right to sublicense such rights; and
29 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
30 * license (with the right to sublicense), under only those claims of Intel
31 * patents that are infringed by the Original Intel Code, to make, use, sell,
32 * offer to sell, and import the Covered Code and derivative works thereof
33 * solely to the minimum extent necessary to exercise the above copyright
34 * license, and in no event shall the patent license extend to any additions
35 * to or modifications of the Original Intel Code. No other license or right
36 * is granted directly or by implication, estoppel or otherwise;
38 * The above copyright and patent license is granted only if the following
43 * 3.1. Redistribution of Source with Rights to Further Distribute Source.
44 * Redistribution of source code of any substantial portion of the Covered
45 * Code or modification with rights to further distribute source must include
46 * the above Copyright Notice, the above License, this list of Conditions,
47 * and the following Disclaimer and Export Compliance provision. In addition,
48 * Licensee must cause all Covered Code to which Licensee contributes to
49 * contain a file documenting the changes Licensee made to create that Covered
50 * Code and the date of any change. Licensee must include in that file the
51 * documentation of any changes made by any predecessor Licensee. Licensee
52 * must include a prominent statement that the modification is derived,
53 * directly or indirectly, from Original Intel Code.
55 * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
56 * Redistribution of source code of any substantial portion of the Covered
57 * Code or modification without rights to further distribute source must
58 * include the following Disclaimer and Export Compliance provision in the
59 * documentation and/or other materials provided with distribution. In
60 * addition, Licensee may not authorize further sublicense of source of any
61 * portion of the Covered Code, and must include terms to the effect that the
62 * license from Licensee to its licensee is limited to the intellectual
63 * property embodied in the software Licensee provides to its licensee, and
64 * not to intellectual property embodied in modifications its licensee may
67 * 3.3. Redistribution of Executable. Redistribution in executable form of any
68 * substantial portion of the Covered Code or modification must reproduce the
69 * above Copyright Notice, and the following Disclaimer and Export Compliance
70 * provision in the documentation and/or other materials provided with the
73 * 3.4. Intel retains all right, title, and interest in and to the Original
76 * 3.5. Neither the name Intel nor any other trademark owned or controlled by
77 * Intel shall be used in advertising or otherwise to promote the sale, use or
78 * other dealings in products derived from or relating to the Covered Code
79 * without prior written authorization from Intel.
81 * 4. Disclaimer and Export Compliance
83 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
84 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
85 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
86 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
87 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
88 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
91 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
92 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
93 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
94 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
95 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
96 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
97 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
100 * 4.3. Licensee shall not export, either directly or indirectly, any of this
101 * software or system incorporating such software without first obtaining any
102 * required license or other approval from the U. S. Department of Commerce or
103 * any other agency or department of the United States Government. In the
104 * event Licensee exports any such software from the United States or
105 * re-exports any such software from a foreign destination, Licensee shall
106 * ensure that the distribution and export/re-export of the software is in
107 * compliance with all laws, regulations, orders, or other restrictions of the
108 * U.S. Export Administration Regulations. Licensee agrees that neither it nor
109 * any of its subsidiaries will export/re-export any technical data, process,
110 * software, or service, directly or indirectly, to any country for which the
111 * United States government or any agency thereof requires an export license,
112 * other governmental approval, or letter of assurance, without first obtaining
113 * such license, approval or letter.
115 *****************************************************************************/
116 /* $DragonFly: src/sys/contrib/dev/acpica/Attic/dbxface.c,v 1.1 2003/09/24 03:32:15 drhodus Exp $ */
121 #include "acdisasm.h"
126 #define _COMPONENT ACPI_CA_DEBUGGER
127 ACPI_MODULE_NAME ("dbxface")
130 /*******************************************************************************
132 * FUNCTION: AcpiDbStartCommand
134 * PARAMETERS: WalkState - Current walk
138 * DESCRIPTION: Enter debugger command loop
140 ******************************************************************************/
144 ACPI_WALK_STATE *WalkState,
145 ACPI_PARSE_OBJECT *Op)
150 /* TBD: [Investigate] what are the namespace locking issues here */
152 /* AcpiUtReleaseMutex (ACPI_MTX_NAMESPACE); */
154 /* Go into the command loop and await next user command */
157 AcpiGbl_MethodExecuting = TRUE;
158 Status = AE_CTRL_TRUE;
159 while (Status == AE_CTRL_TRUE)
161 if (AcpiGbl_DebuggerConfiguration == DEBUGGER_MULTI_THREADED)
163 /* Handshake with the front-end that gets user command lines */
165 Status = AcpiUtReleaseMutex (ACPI_MTX_DEBUG_CMD_COMPLETE);
166 if (ACPI_FAILURE (Status))
170 Status = AcpiUtAcquireMutex (ACPI_MTX_DEBUG_CMD_READY);
171 if (ACPI_FAILURE (Status))
178 /* Single threaded, we must get a command line ourselves */
180 /* Force output to console until a command is entered */
182 AcpiDbSetOutputDestination (ACPI_DB_CONSOLE_OUTPUT);
184 /* Different prompt if method is executing */
186 if (!AcpiGbl_MethodExecuting)
188 AcpiOsPrintf ("%1c ", ACPI_DEBUGGER_COMMAND_PROMPT);
192 AcpiOsPrintf ("%1c ", ACPI_DEBUGGER_EXECUTE_PROMPT);
195 /* Get the user input line */
197 (void) AcpiOsGetLine (AcpiGbl_DbLineBuf);
200 Status = AcpiDbCommandDispatch (AcpiGbl_DbLineBuf, WalkState, Op);
203 /* AcpiUtAcquireMutex (ACPI_MTX_NAMESPACE); */
209 /*******************************************************************************
211 * FUNCTION: AcpiDbMethodEnd
213 * PARAMETERS: WalkState - Current walk
219 ******************************************************************************/
223 ACPI_WALK_STATE *WalkState)
226 if (!AcpiGbl_CmSingleStep)
231 AcpiOsPrintf ("<Method Terminating>\n");
233 AcpiDbStartCommand (WalkState, NULL);
237 /*******************************************************************************
239 * FUNCTION: AcpiDbSingleStep
241 * PARAMETERS: WalkState - Current walk
242 * Op - Current executing op
243 * OpcodeClass - Class of the current AML Opcode
247 * DESCRIPTION: Called just before execution of an AML opcode.
249 ******************************************************************************/
253 ACPI_WALK_STATE *WalkState,
254 ACPI_PARSE_OBJECT *Op,
257 ACPI_PARSE_OBJECT *Next;
258 ACPI_STATUS Status = AE_OK;
259 UINT32 OriginalDebugLevel;
260 ACPI_PARSE_OBJECT *DisplayOp;
261 ACPI_PARSE_OBJECT *ParentOp;
264 ACPI_FUNCTION_ENTRY ();
267 /* Check the abort flag */
269 if (AcpiGbl_AbortMethod)
271 AcpiGbl_AbortMethod = FALSE;
272 return (AE_ABORT_METHOD);
275 /* Check for single-step breakpoint */
277 if (WalkState->MethodBreakpoint &&
278 (WalkState->MethodBreakpoint <= Op->Common.AmlOffset))
280 /* Check if the breakpoint has been reached or passed */
281 /* Hit the breakpoint, resume single step, reset breakpoint */
283 AcpiOsPrintf ("***Break*** at AML offset %X\n", Op->Common.AmlOffset);
284 AcpiGbl_CmSingleStep = TRUE;
285 AcpiGbl_StepToNextCall = FALSE;
286 WalkState->MethodBreakpoint = 0;
289 /* Check for user breakpoint (Must be on exact Aml offset) */
291 else if (WalkState->UserBreakpoint &&
292 (WalkState->UserBreakpoint == Op->Common.AmlOffset))
294 AcpiOsPrintf ("***UserBreakpoint*** at AML offset %X\n", Op->Common.AmlOffset);
295 AcpiGbl_CmSingleStep = TRUE;
296 AcpiGbl_StepToNextCall = FALSE;
297 WalkState->MethodBreakpoint = 0;
301 * Check if this is an opcode that we are interested in --
302 * namely, opcodes that have arguments
304 if (Op->Common.AmlOpcode == AML_INT_NAMEDFIELD_OP)
311 case AML_CLASS_UNKNOWN:
312 case AML_CLASS_ARGUMENT: /* constants, literals, etc. do nothing */
316 /* All other opcodes -- continue */
321 * Under certain debug conditions, display this opcode and its operands
323 if ((AcpiGbl_DbOutputToFile) ||
324 (AcpiGbl_CmSingleStep) ||
325 (AcpiDbgLevel & ACPI_LV_PARSE))
327 if ((AcpiGbl_DbOutputToFile) ||
328 (AcpiDbgLevel & ACPI_LV_PARSE))
330 AcpiOsPrintf ("\n[AmlDebug] Next AML Opcode to execute:\n");
334 * Display this op (and only this op - zero out the NEXT field temporarily,
335 * and disable parser trace output for the duration of the display because
336 * we don't want the extraneous debug output)
338 OriginalDebugLevel = AcpiDbgLevel;
339 AcpiDbgLevel &= ~(ACPI_LV_PARSE | ACPI_LV_FUNCTIONS);
340 Next = Op->Common.Next;
341 Op->Common.Next = NULL;
345 ParentOp = Op->Common.Parent;
348 if ((WalkState->ControlState) &&
349 (WalkState->ControlState->Common.State == ACPI_CONTROL_PREDICATE_EXECUTING))
352 * We are executing the predicate of an IF or WHILE statement
353 * Search upwards for the containing IF or WHILE so that the
354 * entire predicate can be displayed.
358 if ((ParentOp->Common.AmlOpcode == AML_IF_OP) ||
359 (ParentOp->Common.AmlOpcode == AML_WHILE_OP))
361 DisplayOp = ParentOp;
364 ParentOp = ParentOp->Common.Parent;
371 if ((ParentOp->Common.AmlOpcode == AML_IF_OP) ||
372 (ParentOp->Common.AmlOpcode == AML_ELSE_OP) ||
373 (ParentOp->Common.AmlOpcode == AML_SCOPE_OP) ||
374 (ParentOp->Common.AmlOpcode == AML_METHOD_OP) ||
375 (ParentOp->Common.AmlOpcode == AML_WHILE_OP))
379 DisplayOp = ParentOp;
380 ParentOp = ParentOp->Common.Parent;
385 /* Now we can display it */
387 #ifdef ACPI_DISASSEMBLER
388 AcpiDmDisassemble (WalkState, DisplayOp, ACPI_UINT32_MAX);
391 if ((Op->Common.AmlOpcode == AML_IF_OP) ||
392 (Op->Common.AmlOpcode == AML_WHILE_OP))
394 if (WalkState->ControlState->Common.Value)
396 AcpiOsPrintf ("Predicate = [True], IF block was executed\n");
400 AcpiOsPrintf ("Predicate = [False], Skipping IF block\n");
403 else if (Op->Common.AmlOpcode == AML_ELSE_OP)
405 AcpiOsPrintf ("Predicate = [False], ELSE block was executed\n");
408 /* Restore everything */
410 Op->Common.Next = Next;
412 if ((AcpiGbl_DbOutputToFile) ||
413 (AcpiDbgLevel & ACPI_LV_PARSE))
417 AcpiDbgLevel = OriginalDebugLevel;
420 /* If we are not single stepping, just continue executing the method */
422 if (!AcpiGbl_CmSingleStep)
428 * If we are executing a step-to-call command,
429 * Check if this is a method call.
431 if (AcpiGbl_StepToNextCall)
433 if (Op->Common.AmlOpcode != AML_INT_METHODCALL_OP)
435 /* Not a method call, just keep executing */
440 /* Found a method call, stop executing */
442 AcpiGbl_StepToNextCall = FALSE;
446 * If the next opcode is a method call, we will "step over" it
449 if (Op->Common.AmlOpcode == AML_INT_METHODCALL_OP)
451 AcpiGbl_CmSingleStep = FALSE; /* No more single step while executing called method */
453 /* Set the breakpoint on/before the call, it will stop execution as soon as we return */
455 WalkState->MethodBreakpoint = 1; /* Must be non-zero! */
459 Status = AcpiDbStartCommand (WalkState, Op);
461 /* User commands complete, continue execution of the interrupted method */
467 /*******************************************************************************
469 * FUNCTION: AcpiDbInitialize
475 * DESCRIPTION: Init and start debugger
477 ******************************************************************************/
480 AcpiDbInitialize (void)
487 AcpiGbl_DbBuffer = NULL;
488 AcpiGbl_DbFilename = NULL;
489 AcpiGbl_DbOutputToFile = FALSE;
491 AcpiGbl_DbDebugLevel = ACPI_LV_VERBOSITY2;
492 AcpiGbl_DbConsoleDebugLevel = ACPI_NORMAL_DEFAULT | ACPI_LV_TABLES;
493 AcpiGbl_DbOutputFlags = ACPI_DB_CONSOLE_OUTPUT;
495 AcpiGbl_DbOpt_tables = FALSE;
496 AcpiGbl_DbOpt_stats = FALSE;
497 #ifdef ACPI_DISASSEMBLER
498 AcpiGbl_DbOpt_disasm = FALSE;
499 AcpiGbl_DbOpt_verbose = TRUE;
501 AcpiGbl_DbOpt_ini_methods = TRUE;
503 AcpiGbl_DbBuffer = AcpiOsAllocate (ACPI_DEBUG_BUFFER_SIZE);
504 if (!AcpiGbl_DbBuffer)
506 return (AE_NO_MEMORY);
508 ACPI_MEMSET (AcpiGbl_DbBuffer, 0, ACPI_DEBUG_BUFFER_SIZE);
510 /* Initial scope is the root */
512 AcpiGbl_DbScopeBuf [0] = '\\';
513 AcpiGbl_DbScopeBuf [1] = 0;
514 AcpiGbl_DbScopeNode = AcpiGbl_RootNode;
517 * If configured for multi-thread support, the debug executor runs in
518 * a separate thread so that the front end can be in another address
519 * space, environment, or even another machine.
521 if (AcpiGbl_DebuggerConfiguration & DEBUGGER_MULTI_THREADED)
523 /* These were created with one unit, grab it */
525 Status = AcpiUtAcquireMutex (ACPI_MTX_DEBUG_CMD_COMPLETE);
526 if (ACPI_FAILURE (Status))
528 AcpiOsPrintf ("Could not get debugger mutex\n");
532 Status = AcpiUtAcquireMutex (ACPI_MTX_DEBUG_CMD_READY);
533 if (ACPI_FAILURE (Status))
535 AcpiOsPrintf ("Could not get debugger mutex\n");
539 /* Create the debug execution thread to execute commands */
541 Status = AcpiOsQueueForExecution (0, AcpiDbExecuteThread, NULL);
542 if (ACPI_FAILURE (Status))
544 AcpiOsPrintf ("Could not start debugger thread\n");
549 #ifdef ACPI_DISASSEMBLER
550 if (!AcpiGbl_DbOpt_verbose)
552 AcpiGbl_DbOpt_disasm = TRUE;
553 AcpiGbl_DbOpt_stats = FALSE;
561 /*******************************************************************************
563 * FUNCTION: AcpiDbTerminate
569 * DESCRIPTION: Stop debugger
571 ******************************************************************************/
574 AcpiDbTerminate (void)
577 if (AcpiGbl_DbTablePtr)
579 AcpiOsFree (AcpiGbl_DbTablePtr);
581 if (AcpiGbl_DbBuffer)
583 AcpiOsFree (AcpiGbl_DbBuffer);
588 #endif /* ACPI_DEBUGGER */