static ACPI_STATUS
AcpiDmDescendingOp (
ACPI_PARSE_OBJECT *Op,
UINT32 Level,
void *Context)
{
ACPI_OP_WALK_INFO *Info = Context;
const ACPI_OPCODE_INFO *OpInfo;
UINT32 Name;
ACPI_PARSE_OBJECT *NextOp;
if (Op->Common.DisasmFlags & ACPI_PARSEOP_IGNORE)
{
/* Ignore this op -- it was handled elsewhere */
return (AE_CTRL_DEPTH);
}
/* Level 0 is at the Definition Block level */
if (Level == 0)
{
/* In verbose mode, print the AML offset, opcode and depth count */
if (Info->WalkState)
{
VERBOSE_PRINT ((DB_FULL_OP_INFO,
(Info->WalkState->MethodNode ?
Info->WalkState->MethodNode->Name.Ascii : " "),
Op->Common.AmlOffset, (UINT32) Op->Common.AmlOpcode));
}
if (Op->Common.AmlOpcode == AML_SCOPE_OP)
{
/* This is the beginning of the Definition Block */
AcpiOsPrintf ("{\n");
/* Emit all External() declarations here */
AcpiDmEmitExternals ();
return (AE_OK);
}
}
else if ((AcpiDmBlockType (Op->Common.Parent) & BLOCK_BRACE) &&
(!(Op->Common.DisasmFlags & ACPI_PARSEOP_PARAMLIST)) &&
(Op->Common.AmlOpcode != AML_INT_BYTELIST_OP))
{
/*
* This is a first-level element of a term list,
* indent a new line
*/
switch (Op->Common.AmlOpcode)
{
case AML_NOOP_OP:
/*
* Optionally just ignore this opcode. Some tables use
* NoOp opcodes for "padding" out packages that the BIOS
* changes dynamically. This can leave hundreds or
* thousands of NoOp opcodes that if disassembled,
* cannot be compiled because they are syntactically
* incorrect.
*/
if (AcpiGbl_IgnoreNoopOperator)
{
Op->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
return (AE_OK);
}
/* Fallthrough */
default:
AcpiDmIndent (Level);
break;
}
Info->LastLevel = Level;
Info->Count = 0;
}
/*
* This is an inexpensive mechanism to try and keep lines from getting
* too long. When the limit is hit, start a new line at the previous
* indent plus one. A better but more expensive mechanism would be to
* keep track of the current column.
*/
Info->Count++;
if (Info->Count /* +Info->LastLevel */ > 12)
{
Info->Count = 0;
AcpiOsPrintf ("\n");
AcpiDmIndent (Info->LastLevel + 1);
}
/* If ASL+ is enabled, check for a C-style operator */
if (AcpiDmCheckForSymbolicOpcode (Op, Info))
{
return (AE_OK);
}
/* Print the opcode name */
AcpiDmDisassembleOneOp (NULL, Info, Op);
if ((Op->Common.DisasmOpcode == ACPI_DASM_LNOT_PREFIX) ||
(Op->Common.AmlOpcode == AML_INT_CONNECTION_OP))
{
return (AE_OK);
}
if ((Op->Common.AmlOpcode == AML_NAME_OP) ||
(Op->Common.AmlOpcode == AML_RETURN_OP))
{
Info->Level--;
}
/* Start the opcode argument list if necessary */
OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
if ((OpInfo->Flags & AML_HAS_ARGS) ||
(Op->Common.AmlOpcode == AML_EVENT_OP))
{
/* This opcode has an argument list */
if (AcpiDmBlockType (Op) & BLOCK_PAREN)
{
AcpiOsPrintf (" (");
}
/* If this is a named opcode, print the associated name value */
if (OpInfo->Flags & AML_NAMED)
{
switch (Op->Common.AmlOpcode)
{
case AML_ALIAS_OP:
NextOp = AcpiPsGetDepthNext (NULL, Op);
NextOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
AcpiDmNamestring (NextOp->Common.Value.Name);
AcpiOsPrintf (", ");
/*lint -fallthrough */
default:
Name = AcpiPsGetName (Op);
if (Op->Named.Path)
{
AcpiDmNamestring ((char *) Op->Named.Path);
}
else
{
AcpiDmDumpName (Name);
}
if (Op->Common.AmlOpcode != AML_INT_NAMEDFIELD_OP)
{
if (AcpiGbl_DbOpt_Verbose)
{
(void) AcpiPsDisplayObjectPathname (NULL, Op);
}
}
break;
}
switch (Op->Common.AmlOpcode)
{
case AML_METHOD_OP:
AcpiDmMethodFlags (Op);
AcpiOsPrintf (")");
/* Emit description comment for Method() with a predefined ACPI name */
AcpiDmPredefinedDescription (Op);
break;
case AML_NAME_OP:
/* Check for _HID and related EISAID() */
AcpiDmCheckForHardwareId (Op);
AcpiOsPrintf (", ");
break;
case AML_REGION_OP:
AcpiDmRegionFlags (Op);
break;
case AML_POWER_RES_OP:
/* Mark the next two Ops as part of the parameter list */
AcpiOsPrintf (", ");
NextOp = AcpiPsGetDepthNext (NULL, Op);
NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMLIST;
NextOp = NextOp->Common.Next;
NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMLIST;
return (AE_OK);
case AML_PROCESSOR_OP:
/* Mark the next three Ops as part of the parameter list */
AcpiOsPrintf (", ");
NextOp = AcpiPsGetDepthNext (NULL, Op);
NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMLIST;
NextOp = NextOp->Common.Next;
NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMLIST;
NextOp = NextOp->Common.Next;
NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMLIST;
return (AE_OK);
case AML_MUTEX_OP:
case AML_DATA_REGION_OP:
AcpiOsPrintf (", ");
return (AE_OK);
case AML_EVENT_OP:
case AML_ALIAS_OP:
return (AE_OK);
case AML_SCOPE_OP:
case AML_DEVICE_OP:
case AML_THERMAL_ZONE_OP:
AcpiOsPrintf (")");
break;
default:
AcpiOsPrintf ("*** Unhandled named opcode %X\n",
Op->Common.AmlOpcode);
break;
}
}
else switch (Op->Common.AmlOpcode)
{
case AML_FIELD_OP:
case AML_BANK_FIELD_OP:
case AML_INDEX_FIELD_OP:
Info->BitOffset = 0;
/* Name of the parent OperationRegion */
NextOp = AcpiPsGetDepthNext (NULL, Op);
AcpiDmNamestring (NextOp->Common.Value.Name);
AcpiOsPrintf (", ");
NextOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
switch (Op->Common.AmlOpcode)
{
case AML_BANK_FIELD_OP:
/* Namestring - Bank Name */
NextOp = AcpiPsGetDepthNext (NULL, NextOp);
AcpiDmNamestring (NextOp->Common.Value.Name);
NextOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
AcpiOsPrintf (", ");
/*
* Bank Value. This is a TermArg in the middle of the parameter
* list, must handle it here.
*
* Disassemble the TermArg parse tree. ACPI_PARSEOP_PARAMLIST
* eliminates newline in the output.
*/
NextOp = NextOp->Common.Next;
Info->Flags = ACPI_PARSEOP_PARAMLIST;
AcpiDmWalkParseTree (NextOp, AcpiDmDescendingOp,
AcpiDmAscendingOp, Info);
Info->Flags = 0;
Info->Level = Level;
NextOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
AcpiOsPrintf (", ");
break;
case AML_INDEX_FIELD_OP:
/* Namestring - Data Name */
NextOp = AcpiPsGetDepthNext (NULL, NextOp);
AcpiDmNamestring (NextOp->Common.Value.Name);
AcpiOsPrintf (", ");
NextOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
break;
default:
break;
}
AcpiDmFieldFlags (NextOp);
break;
case AML_BUFFER_OP:
/* The next op is the size parameter */
NextOp = AcpiPsGetDepthNext (NULL, Op);
if (!NextOp)
{
/* Single-step support */
return (AE_OK);
}
if (Op->Common.DisasmOpcode == ACPI_DASM_RESOURCE)
{
/*
* We have a resource list. Don't need to output
* the buffer size Op. Open up a new block
*/
NextOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
NextOp = NextOp->Common.Next;
AcpiOsPrintf (")");
/* Emit description comment for Name() with a predefined ACPI name */
AcpiDmPredefinedDescription (Op->Asl.Parent);
AcpiOsPrintf ("\n");
AcpiDmIndent (Info->Level);
AcpiOsPrintf ("{\n");
return (AE_OK);
}
/* Normal Buffer, mark size as in the parameter list */
NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMLIST;
return (AE_OK);
case AML_VAR_PACKAGE_OP:
case AML_IF_OP:
case AML_WHILE_OP:
/* The next op is the size or predicate parameter */
NextOp = AcpiPsGetDepthNext (NULL, Op);
if (NextOp)
{
NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMLIST;
}
return (AE_OK);
case AML_PACKAGE_OP:
/* The next op is the size parameter */
NextOp = AcpiPsGetDepthNext (NULL, Op);
if (NextOp)
{
NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMLIST;
}
return (AE_OK);
case AML_MATCH_OP:
AcpiDmMatchOp (Op);
break;
default:
break;
}
if (AcpiDmBlockType (Op) & BLOCK_BRACE)
{
AcpiOsPrintf ("\n");
AcpiDmIndent (Level);
AcpiOsPrintf ("{\n");
}
}
return (AE_OK);
}
static ACPI_STATUS
AcpiDmDescendingOp (
ACPI_PARSE_OBJECT *Op,
UINT32 Level,
void *Context)
{
ACPI_OP_WALK_INFO *Info = Context;
const ACPI_OPCODE_INFO *OpInfo;
UINT32 Name;
ACPI_PARSE_OBJECT *NextOp;
ACPI_PARSE_OBJECT *NextOp2;
UINT32 AmlOffset;
/* Determine which file this parse node is contained in. */
if (AcpiGbl_CaptureComments)
{
ASL_CV_LABEL_FILENODE (Op);
if (Level != 0 && ASL_CV_FILE_HAS_SWITCHED (Op))
{
ASL_CV_SWITCH_FILES (Level, Op);
}
/* If this parse node has regular comments, print them here. */
ASL_CV_PRINT_ONE_COMMENT (Op, AML_COMMENT_STANDARD, NULL, Level);
}
OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode);
/* Listing support to dump the AML code after the ASL statement */
if (AcpiGbl_DmOpt_Listing)
{
/* We only care about these classes of objects */
if ((OpInfo->Class == AML_CLASS_NAMED_OBJECT) ||
(OpInfo->Class == AML_CLASS_CONTROL) ||
(OpInfo->Class == AML_CLASS_CREATE) ||
((OpInfo->Class == AML_CLASS_EXECUTE) && (!Op->Common.Next)))
{
if (AcpiGbl_DmOpt_Listing && Info->PreviousAml)
{
/* Dump the AML byte code for the previous Op */
if (Op->Common.Aml > Info->PreviousAml)
{
AcpiOsPrintf ("\n");
AcpiUtDumpBuffer (
(Info->StartAml + Info->AmlOffset),
(Op->Common.Aml - Info->PreviousAml),
DB_BYTE_DISPLAY, Info->AmlOffset);
AcpiOsPrintf ("\n");
}
Info->AmlOffset = (Op->Common.Aml - Info->StartAml);
}
Info->PreviousAml = Op->Common.Aml;
}
}
if (Op->Common.DisasmFlags & ACPI_PARSEOP_IGNORE)
{
/* Ignore this op -- it was handled elsewhere */
return (AE_CTRL_DEPTH);
}
if (Op->Common.DisasmOpcode == ACPI_DASM_IGNORE_SINGLE)
{
/* Ignore this op, but not it's children */
return (AE_OK);
}
if (Op->Common.AmlOpcode == AML_IF_OP)
{
NextOp = AcpiPsGetDepthNext (NULL, Op);
if (NextOp)
{
NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMETER_LIST;
/* Don't emit the actual embedded externals unless asked */
if (!AcpiGbl_DmEmitExternalOpcodes)
{
/*
* A Zero predicate indicates the possibility of one or more
* External() opcodes within the If() block.
*/
if (NextOp->Common.AmlOpcode == AML_ZERO_OP)
{
NextOp2 = NextOp->Common.Next;
if (NextOp2 &&
(NextOp2->Common.AmlOpcode == AML_EXTERNAL_OP))
{
/* Ignore the If 0 block and all children */
Op->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
return (AE_CTRL_DEPTH);
}
}
}
}
}
/* Level 0 is at the Definition Block level */
if (Level == 0)
{
/* In verbose mode, print the AML offset, opcode and depth count */
if (Info->WalkState)
{
AmlOffset = (UINT32) ACPI_PTR_DIFF (Op->Common.Aml,
Info->WalkState->ParserState.AmlStart);
if (AcpiGbl_DmOpt_Verbose)
{
if (AcpiGbl_CmSingleStep)
{
AcpiOsPrintf ("%5.5X/%4.4X: ",
AmlOffset, (UINT32) Op->Common.AmlOpcode);
}
else
{
AcpiOsPrintf ("AML Offset %5.5X, Opcode %4.4X: ",
AmlOffset, (UINT32) Op->Common.AmlOpcode);
}
}
}
if (Op->Common.AmlOpcode == AML_SCOPE_OP)
{
/* This is the beginning of the Definition Block */
AcpiOsPrintf ("{\n");
/* Emit all External() declarations here */
if (!AcpiGbl_DmEmitExternalOpcodes)
{
AcpiDmEmitExternals ();
}
return (AE_OK);
}
}
else if ((AcpiDmBlockType (Op->Common.Parent) & BLOCK_BRACE) &&
(!(Op->Common.DisasmFlags & ACPI_PARSEOP_PARAMETER_LIST)) &&
(!(Op->Common.DisasmFlags & ACPI_PARSEOP_ELSEIF)) &&
(Op->Common.AmlOpcode != AML_INT_BYTELIST_OP))
{
/*
* This is a first-level element of a term list,
* indent a new line
*/
switch (Op->Common.AmlOpcode)
{
case AML_NOOP_OP:
/*
* Optionally just ignore this opcode. Some tables use
* NoOp opcodes for "padding" out packages that the BIOS
* changes dynamically. This can leave hundreds or
* thousands of NoOp opcodes that if disassembled,
* cannot be compiled because they are syntactically
* incorrect.
*/
if (AcpiGbl_IgnoreNoopOperator)
{
Op->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
return (AE_OK);
}
/* Fallthrough */
default:
AcpiDmIndent (Level);
break;
}
Info->LastLevel = Level;
Info->Count = 0;
}
/*
* This is an inexpensive mechanism to try and keep lines from getting
* too long. When the limit is hit, start a new line at the previous
* indent plus one. A better but more expensive mechanism would be to
* keep track of the current column.
*/
Info->Count++;
if (Info->Count /* +Info->LastLevel */ > 12)
{
Info->Count = 0;
AcpiOsPrintf ("\n");
AcpiDmIndent (Info->LastLevel + 1);
}
/* If ASL+ is enabled, check for a C-style operator */
if (AcpiDmCheckForSymbolicOpcode (Op, Info))
{
return (AE_OK);
}
/* Print the opcode name */
AcpiDmDisassembleOneOp (NULL, Info, Op);
if ((Op->Common.DisasmOpcode == ACPI_DASM_LNOT_PREFIX) ||
(Op->Common.AmlOpcode == AML_INT_CONNECTION_OP))
{
return (AE_OK);
}
if ((Op->Common.AmlOpcode == AML_NAME_OP) ||
(Op->Common.AmlOpcode == AML_RETURN_OP))
{
Info->Level--;
}
if (Op->Common.AmlOpcode == AML_EXTERNAL_OP)
{
Op->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
return (AE_CTRL_DEPTH);
}
/* Start the opcode argument list if necessary */
if ((OpInfo->Flags & AML_HAS_ARGS) ||
(Op->Common.AmlOpcode == AML_EVENT_OP))
{
/* This opcode has an argument list */
if (AcpiDmBlockType (Op) & BLOCK_PAREN)
{
AcpiOsPrintf (" (");
if (!(AcpiDmBlockType (Op) & BLOCK_BRACE))
{
ASL_CV_PRINT_ONE_COMMENT (Op, AMLCOMMENT_INLINE, " ", 0);
}
}
/* If this is a named opcode, print the associated name value */
if (OpInfo->Flags & AML_NAMED)
{
switch (Op->Common.AmlOpcode)
{
case AML_ALIAS_OP:
NextOp = AcpiPsGetDepthNext (NULL, Op);
NextOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
AcpiDmNamestring (NextOp->Common.Value.Name);
AcpiOsPrintf (", ");
/*lint -fallthrough */
default:
Name = AcpiPsGetName (Op);
if (Op->Named.Path)
{
AcpiDmNamestring (Op->Named.Path);
}
else
{
AcpiDmDumpName (Name);
}
if (Op->Common.AmlOpcode != AML_INT_NAMEDFIELD_OP)
{
if (AcpiGbl_DmOpt_Verbose)
{
(void) AcpiPsDisplayObjectPathname (NULL, Op);
}
}
break;
}
switch (Op->Common.AmlOpcode)
{
case AML_METHOD_OP:
AcpiDmMethodFlags (Op);
ASL_CV_CLOSE_PAREN (Op, Level);
/* Emit description comment for Method() with a predefined ACPI name */
AcpiDmPredefinedDescription (Op);
break;
case AML_NAME_OP:
/* Check for _HID and related EISAID() */
AcpiDmCheckForHardwareId (Op);
AcpiOsPrintf (", ");
ASL_CV_PRINT_ONE_COMMENT (Op, AML_NAMECOMMENT, NULL, 0);
break;
case AML_REGION_OP:
AcpiDmRegionFlags (Op);
break;
case AML_POWER_RESOURCE_OP:
/* Mark the next two Ops as part of the parameter list */
AcpiOsPrintf (", ");
NextOp = AcpiPsGetDepthNext (NULL, Op);
NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMETER_LIST;
NextOp = NextOp->Common.Next;
NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMETER_LIST;
return (AE_OK);
case AML_PROCESSOR_OP:
/* Mark the next three Ops as part of the parameter list */
AcpiOsPrintf (", ");
NextOp = AcpiPsGetDepthNext (NULL, Op);
NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMETER_LIST;
NextOp = NextOp->Common.Next;
NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMETER_LIST;
NextOp = NextOp->Common.Next;
NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMETER_LIST;
return (AE_OK);
case AML_MUTEX_OP:
case AML_DATA_REGION_OP:
AcpiOsPrintf (", ");
return (AE_OK);
case AML_EVENT_OP:
case AML_ALIAS_OP:
return (AE_OK);
case AML_SCOPE_OP:
case AML_DEVICE_OP:
case AML_THERMAL_ZONE_OP:
ASL_CV_CLOSE_PAREN (Op, Level);
break;
default:
AcpiOsPrintf ("*** Unhandled named opcode %X\n",
Op->Common.AmlOpcode);
break;
}
}
else switch (Op->Common.AmlOpcode)
{
case AML_FIELD_OP:
case AML_BANK_FIELD_OP:
case AML_INDEX_FIELD_OP:
Info->BitOffset = 0;
/* Name of the parent OperationRegion */
NextOp = AcpiPsGetDepthNext (NULL, Op);
AcpiDmNamestring (NextOp->Common.Value.Name);
AcpiOsPrintf (", ");
NextOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
switch (Op->Common.AmlOpcode)
{
case AML_BANK_FIELD_OP:
/* Namestring - Bank Name */
NextOp = AcpiPsGetDepthNext (NULL, NextOp);
AcpiDmNamestring (NextOp->Common.Value.Name);
NextOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
AcpiOsPrintf (", ");
/*
* Bank Value. This is a TermArg in the middle of the parameter
* list, must handle it here.
*
* Disassemble the TermArg parse tree. ACPI_PARSEOP_PARAMETER_LIST
* eliminates newline in the output.
*/
NextOp = NextOp->Common.Next;
Info->Flags = ACPI_PARSEOP_PARAMETER_LIST;
AcpiDmWalkParseTree (NextOp, AcpiDmDescendingOp,
AcpiDmAscendingOp, Info);
Info->Flags = 0;
Info->Level = Level;
NextOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
AcpiOsPrintf (", ");
break;
case AML_INDEX_FIELD_OP:
/* Namestring - Data Name */
NextOp = AcpiPsGetDepthNext (NULL, NextOp);
AcpiDmNamestring (NextOp->Common.Value.Name);
AcpiOsPrintf (", ");
NextOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
break;
default:
break;
}
AcpiDmFieldFlags (NextOp);
break;
case AML_BUFFER_OP:
/* The next op is the size parameter */
NextOp = AcpiPsGetDepthNext (NULL, Op);
if (!NextOp)
{
/* Single-step support */
return (AE_OK);
}
if (Op->Common.DisasmOpcode == ACPI_DASM_RESOURCE)
{
/*
* We have a resource list. Don't need to output
* the buffer size Op. Open up a new block
*/
NextOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
NextOp = NextOp->Common.Next;
ASL_CV_CLOSE_PAREN (Op, Level);
/* Emit description comment for Name() with a predefined ACPI name */
AcpiDmPredefinedDescription (Op->Asl.Parent);
AcpiOsPrintf ("\n");
AcpiDmIndent (Info->Level);
AcpiOsPrintf ("{\n");
return (AE_OK);
}
/* Normal Buffer, mark size as in the parameter list */
NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMETER_LIST;
return (AE_OK);
case AML_IF_OP:
case AML_VARIABLE_PACKAGE_OP:
case AML_WHILE_OP:
/* The next op is the size or predicate parameter */
NextOp = AcpiPsGetDepthNext (NULL, Op);
if (NextOp)
{
NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMETER_LIST;
}
return (AE_OK);
case AML_PACKAGE_OP:
/* The next op is the size parameter */
NextOp = AcpiPsGetDepthNext (NULL, Op);
if (NextOp)
{
NextOp->Common.DisasmFlags |= ACPI_PARSEOP_PARAMETER_LIST;
}
return (AE_OK);
case AML_MATCH_OP:
AcpiDmMatchOp (Op);
break;
default:
break;
}
if (AcpiDmBlockType (Op) & BLOCK_BRACE)
{
AcpiOsPrintf ("\n");
AcpiDmIndent (Level);
AcpiOsPrintf ("{\n");
}
}
return (AE_OK);
}