526 lines
14 KiB
C
526 lines
14 KiB
C
/*******************************************************************************
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*
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* Module Name: dbmethod - Debug commands for control methods
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*
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******************************************************************************/
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/*
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* Copyright (C) 2000 - 2011, Intel Corp.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGES.
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*/
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#include "acpi.h"
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#include "accommon.h"
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#include "acdispat.h"
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#include "acnamesp.h"
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#include "acdebug.h"
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#include "acdisasm.h"
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#include "acparser.h"
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#ifdef ACPI_DEBUGGER
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#define _COMPONENT ACPI_CA_DEBUGGER
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ACPI_MODULE_NAME ("dbmethod")
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/* Local prototypes */
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static ACPI_STATUS
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AcpiDbWalkForExecute (
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ACPI_HANDLE ObjHandle,
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UINT32 NestingLevel,
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void *Context,
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void **ReturnValue);
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/*******************************************************************************
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*
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* FUNCTION: AcpiDbSetMethodBreakpoint
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*
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* PARAMETERS: Location - AML offset of breakpoint
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* WalkState - Current walk info
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* Op - Current Op (from parse walk)
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*
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* RETURN: None
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*
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* DESCRIPTION: Set a breakpoint in a control method at the specified
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* AML offset
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*
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******************************************************************************/
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void
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AcpiDbSetMethodBreakpoint (
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char *Location,
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ACPI_WALK_STATE *WalkState,
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ACPI_PARSE_OBJECT *Op)
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{
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UINT32 Address;
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if (!Op)
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{
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AcpiOsPrintf ("There is no method currently executing\n");
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return;
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}
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/* Get and verify the breakpoint address */
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Address = ACPI_STRTOUL (Location, NULL, 16);
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if (Address <= Op->Common.AmlOffset)
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{
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AcpiOsPrintf ("Breakpoint %X is beyond current address %X\n",
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Address, Op->Common.AmlOffset);
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}
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/* Save breakpoint in current walk */
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WalkState->UserBreakpoint = Address;
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AcpiOsPrintf ("Breakpoint set at AML offset %X\n", Address);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDbSetMethodCallBreakpoint
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*
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* PARAMETERS: Op - Current Op (from parse walk)
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*
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* RETURN: None
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*
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* DESCRIPTION: Set a breakpoint in a control method at the specified
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* AML offset
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*
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******************************************************************************/
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void
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AcpiDbSetMethodCallBreakpoint (
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ACPI_PARSE_OBJECT *Op)
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{
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if (!Op)
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{
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AcpiOsPrintf ("There is no method currently executing\n");
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return;
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}
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AcpiGbl_StepToNextCall = TRUE;
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDbSetMethodData
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*
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* PARAMETERS: TypeArg - L for local, A for argument
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* IndexArg - which one
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* ValueArg - Value to set.
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*
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* RETURN: None
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*
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* DESCRIPTION: Set a local or argument for the running control method.
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* NOTE: only object supported is Number.
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*
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******************************************************************************/
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void
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AcpiDbSetMethodData (
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char *TypeArg,
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char *IndexArg,
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char *ValueArg)
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{
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char Type;
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UINT32 Index;
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UINT32 Value;
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ACPI_WALK_STATE *WalkState;
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ACPI_OPERAND_OBJECT *ObjDesc;
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ACPI_STATUS Status;
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ACPI_NAMESPACE_NODE *Node;
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/* Validate TypeArg */
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AcpiUtStrupr (TypeArg);
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Type = TypeArg[0];
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if ((Type != 'L') &&
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(Type != 'A') &&
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(Type != 'N'))
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{
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AcpiOsPrintf ("Invalid SET operand: %s\n", TypeArg);
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return;
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}
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Value = ACPI_STRTOUL (ValueArg, NULL, 16);
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if (Type == 'N')
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{
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Node = AcpiDbConvertToNode (IndexArg);
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if (Node->Type != ACPI_TYPE_INTEGER)
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{
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AcpiOsPrintf ("Can only set Integer nodes\n");
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return;
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}
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ObjDesc = Node->Object;
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ObjDesc->Integer.Value = Value;
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return;
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}
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/* Get the index and value */
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Index = ACPI_STRTOUL (IndexArg, NULL, 16);
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WalkState = AcpiDsGetCurrentWalkState (AcpiGbl_CurrentWalkList);
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if (!WalkState)
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{
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AcpiOsPrintf ("There is no method currently executing\n");
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return;
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}
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/* Create and initialize the new object */
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ObjDesc = AcpiUtCreateIntegerObject ((UINT64) Value);
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if (!ObjDesc)
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{
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AcpiOsPrintf ("Could not create an internal object\n");
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return;
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}
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/* Store the new object into the target */
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switch (Type)
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{
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case 'A':
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/* Set a method argument */
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if (Index > ACPI_METHOD_MAX_ARG)
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{
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AcpiOsPrintf ("Arg%u - Invalid argument name\n", Index);
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goto Cleanup;
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}
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Status = AcpiDsStoreObjectToLocal (ACPI_REFCLASS_ARG, Index, ObjDesc,
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WalkState);
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if (ACPI_FAILURE (Status))
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{
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goto Cleanup;
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}
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ObjDesc = WalkState->Arguments[Index].Object;
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AcpiOsPrintf ("Arg%u: ", Index);
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AcpiDmDisplayInternalObject (ObjDesc, WalkState);
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break;
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case 'L':
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/* Set a method local */
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if (Index > ACPI_METHOD_MAX_LOCAL)
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{
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AcpiOsPrintf ("Local%u - Invalid local variable name\n", Index);
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goto Cleanup;
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}
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Status = AcpiDsStoreObjectToLocal (ACPI_REFCLASS_LOCAL, Index, ObjDesc,
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WalkState);
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if (ACPI_FAILURE (Status))
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{
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goto Cleanup;
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}
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ObjDesc = WalkState->LocalVariables[Index].Object;
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AcpiOsPrintf ("Local%u: ", Index);
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AcpiDmDisplayInternalObject (ObjDesc, WalkState);
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break;
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default:
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break;
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}
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Cleanup:
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AcpiUtRemoveReference (ObjDesc);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDbDisassembleAml
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*
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* PARAMETERS: Statements - Number of statements to disassemble
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* Op - Current Op (from parse walk)
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*
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* RETURN: None
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*
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* DESCRIPTION: Display disassembled AML (ASL) starting from Op for the number
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* of statements specified.
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*
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******************************************************************************/
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void
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AcpiDbDisassembleAml (
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char *Statements,
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ACPI_PARSE_OBJECT *Op)
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{
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UINT32 NumStatements = 8;
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if (!Op)
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{
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AcpiOsPrintf ("There is no method currently executing\n");
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return;
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}
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if (Statements)
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{
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NumStatements = ACPI_STRTOUL (Statements, NULL, 0);
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}
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AcpiDmDisassemble (NULL, Op, NumStatements);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDbDisassembleMethod
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*
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* PARAMETERS: Name - Name of control method
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*
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* RETURN: None
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*
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* DESCRIPTION: Display disassembled AML (ASL) starting from Op for the number
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* of statements specified.
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*
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******************************************************************************/
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ACPI_STATUS
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AcpiDbDisassembleMethod (
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char *Name)
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{
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ACPI_STATUS Status;
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ACPI_PARSE_OBJECT *Op;
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ACPI_WALK_STATE *WalkState;
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ACPI_OPERAND_OBJECT *ObjDesc;
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ACPI_NAMESPACE_NODE *Method;
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Method = AcpiDbConvertToNode (Name);
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if (!Method)
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{
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return (AE_BAD_PARAMETER);
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}
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ObjDesc = Method->Object;
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Op = AcpiPsCreateScopeOp ();
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if (!Op)
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{
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return (AE_NO_MEMORY);
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}
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/* Create and initialize a new walk state */
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WalkState = AcpiDsCreateWalkState (0, Op, NULL, NULL);
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if (!WalkState)
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{
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return (AE_NO_MEMORY);
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}
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Status = AcpiDsInitAmlWalk (WalkState, Op, NULL,
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ObjDesc->Method.AmlStart,
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ObjDesc->Method.AmlLength, NULL, ACPI_IMODE_LOAD_PASS1);
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if (ACPI_FAILURE (Status))
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{
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return (Status);
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}
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/* Parse the AML */
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WalkState->ParseFlags &= ~ACPI_PARSE_DELETE_TREE;
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WalkState->ParseFlags |= ACPI_PARSE_DISASSEMBLE;
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Status = AcpiPsParseAml (WalkState);
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AcpiDmDisassemble (NULL, Op, 0);
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AcpiPsDeleteParseTree (Op);
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return (AE_OK);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDbWalkForExecute
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*
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* PARAMETERS: Callback from WalkNamespace
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*
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* RETURN: Status
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*
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* DESCRIPTION: Batch execution module. Currently only executes predefined
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* ACPI names.
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*
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******************************************************************************/
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static ACPI_STATUS
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AcpiDbWalkForExecute (
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ACPI_HANDLE ObjHandle,
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UINT32 NestingLevel,
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void *Context,
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void **ReturnValue)
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{
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ACPI_NAMESPACE_NODE *Node = (ACPI_NAMESPACE_NODE *) ObjHandle;
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ACPI_EXECUTE_WALK *Info = (ACPI_EXECUTE_WALK *) Context;
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ACPI_BUFFER ReturnObj;
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ACPI_STATUS Status;
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char *Pathname;
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UINT32 i;
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ACPI_DEVICE_INFO *ObjInfo;
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ACPI_OBJECT_LIST ParamObjects;
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ACPI_OBJECT Params[ACPI_METHOD_NUM_ARGS];
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const ACPI_PREDEFINED_INFO *Predefined;
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Predefined = AcpiNsCheckForPredefinedName (Node);
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if (!Predefined)
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{
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return (AE_OK);
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}
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if (Node->Type == ACPI_TYPE_LOCAL_SCOPE)
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{
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return (AE_OK);
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}
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Pathname = AcpiNsGetExternalPathname (Node);
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if (!Pathname)
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{
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return (AE_OK);
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}
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/* Get the object info for number of method parameters */
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Status = AcpiGetObjectInfo (ObjHandle, &ObjInfo);
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if (ACPI_FAILURE (Status))
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{
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return (Status);
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}
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ParamObjects.Pointer = NULL;
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ParamObjects.Count = 0;
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if (ObjInfo->Type == ACPI_TYPE_METHOD)
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{
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/* Setup default parameters */
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for (i = 0; i < ObjInfo->ParamCount; i++)
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{
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Params[i].Type = ACPI_TYPE_INTEGER;
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Params[i].Integer.Value = 1;
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}
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ParamObjects.Pointer = Params;
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ParamObjects.Count = ObjInfo->ParamCount;
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}
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ACPI_FREE (ObjInfo);
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ReturnObj.Pointer = NULL;
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ReturnObj.Length = ACPI_ALLOCATE_BUFFER;
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/* Do the actual method execution */
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AcpiGbl_MethodExecuting = TRUE;
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Status = AcpiEvaluateObject (Node, NULL, &ParamObjects, &ReturnObj);
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AcpiOsPrintf ("%-32s returned %s\n", Pathname, AcpiFormatException (Status));
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AcpiGbl_MethodExecuting = FALSE;
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ACPI_FREE (Pathname);
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/* Ignore status from method execution */
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Status = AE_OK;
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/* Update count, check if we have executed enough methods */
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Info->Count++;
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if (Info->Count >= Info->MaxCount)
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{
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Status = AE_CTRL_TERMINATE;
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}
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return (Status);
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}
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/*******************************************************************************
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*
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* FUNCTION: AcpiDbBatchExecute
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*
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* PARAMETERS: CountArg - Max number of methods to execute
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*
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* RETURN: None
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*
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* DESCRIPTION: Namespace batch execution. Execute predefined names in the
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* namespace, up to the max count, if specified.
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*
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******************************************************************************/
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void
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AcpiDbBatchExecute (
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char *CountArg)
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{
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ACPI_EXECUTE_WALK Info;
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Info.Count = 0;
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Info.MaxCount = ACPI_UINT32_MAX;
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if (CountArg)
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{
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Info.MaxCount = ACPI_STRTOUL (CountArg, NULL, 0);
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}
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/* Search all nodes in namespace */
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(void) AcpiWalkNamespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX,
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AcpiDbWalkForExecute, NULL, (void *) &Info, NULL);
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AcpiOsPrintf ("Executed %u predefined names in the namespace\n", Info.Count);
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}
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#endif /* ACPI_DEBUGGER */
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