/****************************************************************************** * * Module Name: dbapi - AML Debugger external interfaces * *****************************************************************************/ /****************************************************************************** * * 1. Copyright Notice * * Some or all of this work - Copyright (c) 1999, Intel Corp. All rights * reserved. * * 2. License * * 2.1. This is your license from Intel Corp. under its intellectual property * rights. You may have additional license terms from the party that provided * you this software, covering your right to use that party's intellectual * property rights. * * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a * copy of the source code appearing in this file ("Covered Code") an * irrevocable, perpetual, worldwide license under Intel's copyrights in the * base code distributed originally by Intel ("Original Intel Code") to copy, * make derivatives, distribute, use and display any portion of the Covered * Code in any form, with the right to sublicense such rights; and * * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent * license (with the right to sublicense), under only those claims of Intel * patents that are infringed by the Original Intel Code, to make, use, sell, * offer to sell, and import the Covered Code and derivative works thereof * solely to the minimum extent necessary to exercise the above copyright * license, and in no event shall the patent license extend to any additions * to or modifications of the Original Intel Code. No other license or right * is granted directly or by implication, estoppel or otherwise; * * The above copyright and patent license is granted only if the following * conditions are met: * * 3. Conditions * * 3.1. Redistribution of Source with Rights to Further Distribute Source. * Redistribution of source code of any substantial portion of the Covered * Code or modification with rights to further distribute source must include * the above Copyright Notice, the above License, this list of Conditions, * and the following Disclaimer and Export Compliance provision. In addition, * Licensee must cause all Covered Code to which Licensee contributes to * contain a file documenting the changes Licensee made to create that Covered * Code and the date of any change. Licensee must include in that file the * documentation of any changes made by any predecessor Licensee. Licensee * must include a prominent statement that the modification is derived, * directly or indirectly, from Original Intel Code. * * 3.2. Redistribution of Source with no Rights to Further Distribute Source. * Redistribution of source code of any substantial portion of the Covered * Code or modification without rights to further distribute source must * include the following Disclaimer and Export Compliance provision in the * documentation and/or other materials provided with distribution. In * addition, Licensee may not authorize further sublicense of source of any * portion of the Covered Code, and must include terms to the effect that the * license from Licensee to its licensee is limited to the intellectual * property embodied in the software Licensee provides to its licensee, and * not to intellectual property embodied in modifications its licensee may * make. * * 3.3. Redistribution of Executable. Redistribution in executable form of any * substantial portion of the Covered Code or modification must reproduce the * above Copyright Notice, and the following Disclaimer and Export Compliance * provision in the documentation and/or other materials provided with the * distribution. * * 3.4. Intel retains all right, title, and interest in and to the Original * Intel Code. * * 3.5. Neither the name Intel nor any other trademark owned or controlled by * Intel shall be used in advertising or otherwise to promote the sale, use or * other dealings in products derived from or relating to the Covered Code * without prior written authorization from Intel. * * 4. Disclaimer and Export Compliance * * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A * PARTICULAR PURPOSE. * * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY * LIMITED REMEDY. * * 4.3. Licensee shall not export, either directly or indirectly, any of this * software or system incorporating such software without first obtaining any * required license or other approval from the U. S. Department of Commerce or * any other agency or department of the United States Government. In the * event Licensee exports any such software from the United States or * re-exports any such software from a foreign destination, Licensee shall * ensure that the distribution and export/re-export of the software is in * compliance with all laws, regulations, orders, or other restrictions of the * U.S. Export Administration Regulations. Licensee agrees that neither it nor * any of its subsidiaries will export/re-export any technical data, process, * software, or service, directly or indirectly, to any country for which the * United States government or any agency thereof requires an export license, * other governmental approval, or letter of assurance, without first obtaining * such license, approval or letter. * *****************************************************************************/ #include "acpi.h" #include "parser.h" #include "amlcode.h" #include "namesp.h" #include "parser.h" #include "events.h" #include "interp.h" #include "debugger.h" #ifdef ACPI_DEBUG #define _COMPONENT DEBUGGER MODULE_NAME ("dbcmds"); /****************************************************************************** * * FUNCTION: AcpiDbSingleStep * * PARAMETERS: * * RETURN: None * * DESCRIPTION: Called just before execution of an AML opcode. * *****************************************************************************/ ACPI_STATUS AcpiDbSingleStep ( ACPI_WALK_STATE *WalkState, ACPI_GENERIC_OP *Op, UINT8 OpType) { ACPI_GENERIC_OP *Next; ACPI_STATUS Status = AE_OK; UINT32 OriginalDebugLevel; /* Is there a breakpoint set? */ if (Acpi_GblMethodBreakpoint) { /* Check if the breakpoint has been reached or passed */ if ((Acpi_GblBreakpointWalk == WalkState) && (Acpi_GblMethodBreakpoint <= Op->AmlOffset)) { /* Hit the breakpoint, resume single step, reset breakpoint */ AcpiOsdPrintf ("***Break*** at AML offset 0x%X\n", Op->AmlOffset); Acpi_GblCmSingleStep = TRUE; Acpi_GblStepToNextCall = FALSE; Acpi_GblMethodBreakpoint = 0; } } /* * Check if this is an opcode that we are interested in -- * namely, opcodes that have arguments */ if (Op->Opcode == AML_NAMEDFIELD_OP) { return AE_OK; } switch (OpType) { case OPTYPE_UNDEFINED: case OPTYPE_CONSTANT: /* argument type only */ case OPTYPE_LITERAL: /* argument type only */ case OPTYPE_DATA_TERM: /* argument type only */ case OPTYPE_LOCAL_VARIABLE: /* argument type only */ case OPTYPE_METHOD_ARGUMENT: /* argument type only */ return (AE_OK); break; case OPTYPE_NAMED_OBJECT: switch (Op->Opcode) { case AML_NAMEPATH_OP: return (AE_OK); break; } } /* * Under certain debug conditions, display this opcode and its operands */ if ((OutputToFile) || (Acpi_GblCmSingleStep) || (DebugLevel & TRACE_PARSE)) { if ((OutputToFile) || (DebugLevel & TRACE_PARSE)) { AcpiOsdPrintf ("\n[AmlDebug] Next AML Opcode to execute:\n"); } /* * Display this op (and only this op - zero out the NEXT field temporarily, * and disable parser trace output for the duration of the display because * we don't want the extraneous debug output) */ OriginalDebugLevel = DebugLevel; DebugLevel &= ~(TRACE_PARSE | TRACE_FUNCTIONS); Next = Op->Next; Op->Next = NULL; /* Now we can display it */ AcpiDbDisplayOp (Op, ACPI_UINT32_MAX); /* Restore everything */ Op->Next = Next; AcpiOsdPrintf ("\n"); DebugLevel = OriginalDebugLevel; } /* If we are not single stepping, just continue executing the method */ if (!Acpi_GblCmSingleStep) { return (AE_OK); } /* * If we are executing a step-to-call command, * Check if this is a method call. */ if (Acpi_GblStepToNextCall) { if (Op->Opcode != AML_METHODCALL_OP) { /* Not a method call, just keep executing */ return (AE_OK); } /* Found a method call, stop executing */ Acpi_GblStepToNextCall = FALSE; } /* * If the next opcode is a method call, we will "step over" it * by default. */ if (Op->Opcode == AML_METHODCALL_OP) { Acpi_GblCmSingleStep = FALSE; /* No more single step while executing called method */ /* Set the breakpoint on the call, it will stop execution as soon as we return */ /* TBD: [Future] don't kill the user breakpoint! */ Acpi_GblMethodBreakpoint = Op->AmlOffset + 1; /* Must be non-zero! */ Acpi_GblBreakpointWalk = WalkState; } AcpiCmReleaseMutex (MTX_NAMESPACE); /* Go into the command loop and await next user command */ Acpi_GblMethodExecuting = TRUE; Status = AE_CTRL_TRUE; while (Status == AE_CTRL_TRUE) { if (Acpi_GblDebuggerConfiguration == DEBUGGER_MULTI_THREADED) { /* Handshake with the front-end that gets user command lines */ AcpiCmReleaseMutex (MTX_DEBUG_CMD_COMPLETE); AcpiCmAcquireMutex (MTX_DEBUG_CMD_READY); } else { /* Single threaded, we must get a command line ourselves */ /* Force output to console until a command is entered */ AcpiDbSetOutputDestination (DB_CONSOLE_OUTPUT); /* Different prompt if method is executing */ if (!Acpi_GblMethodExecuting) { AcpiOsdPrintf ("%1c ", DB_COMMAND_PROMPT); } else { AcpiOsdPrintf ("%1c ", DB_EXECUTE_PROMPT); } /* Get the user input line */ AcpiOsdGetLine (LineBuf); } Status = AcpiDbCommandDispatch (LineBuf, WalkState, Op); } AcpiCmAcquireMutex (MTX_NAMESPACE); /* User commands complete, continue execution of the interrupted method */ return Status; } /****************************************************************************** * * FUNCTION: AcpiDbInitialize * * PARAMETERS: * * RETURN: Status * * DESCRIPTION: Init and start debugger * *****************************************************************************/ int AcpiDbInitialize (void) { /* Init globals */ Buffer = AcpiOsdAllocate (BUFFER_SIZE); /* Initial scope is the root */ ScopeBuf [0] = '\\'; ScopeBuf [1] = 0; /* * If configured for multi-thread support, the debug executor runs in * a separate thread so that the front end can be in another address * space, environment, or even another machine. */ if (Acpi_GblDebuggerConfiguration & DEBUGGER_MULTI_THREADED) { /* These were created with one unit, grab it */ AcpiCmAcquireMutex (MTX_DEBUG_CMD_COMPLETE); AcpiCmAcquireMutex (MTX_DEBUG_CMD_READY); /* Create the debug execution thread to execute commands */ AcpiOsdQueueForExecution (0, AcpiDbExecuteThread, NULL); } if (!opt_verbose) { INDENT_STRING = " "; opt_disasm = TRUE; opt_stats = FALSE; } return 0; } #endif /* ACPI_DEBUG */