/******************************************************************************* * * Module Name: dmwalk - AML disassembly tree walk * ******************************************************************************/ /****************************************************************************** * * 1. Copyright Notice * * Some or all of this work - Copyright (c) 1999 - 2018, 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. * ***************************************************************************** * * Alternatively, you may choose to be licensed under the terms of the * following license: * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer, * without modification. * 2. Redistributions in binary form must reproduce at minimum a disclaimer * substantially similar to the "NO WARRANTY" disclaimer below * ("Disclaimer") and any redistribution must be conditioned upon * including a substantially similar Disclaimer requirement for further * binary redistribution. * 3. Neither the names of the above-listed copyright holders nor the names * of any contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Alternatively, you may choose to be licensed under the terms of the * GNU General Public License ("GPL") version 2 as published by the Free * Software Foundation. * *****************************************************************************/ #include "acpi.h" #include "accommon.h" #include "acparser.h" #include "amlcode.h" #include "acdebug.h" #include "acconvert.h" #define _COMPONENT ACPI_CA_DEBUGGER ACPI_MODULE_NAME ("dmwalk") /* Stub for non-compiler code */ #ifndef ACPI_ASL_COMPILER void AcpiDmEmitExternals ( void) { return; } void AcpiDmEmitExternal ( ACPI_PARSE_OBJECT *NameOp, ACPI_PARSE_OBJECT *TypeOp) { return; } #endif /* Local prototypes */ static ACPI_STATUS AcpiDmDescendingOp ( ACPI_PARSE_OBJECT *Op, UINT32 Level, void *Context); static ACPI_STATUS AcpiDmAscendingOp ( ACPI_PARSE_OBJECT *Op, UINT32 Level, void *Context); /******************************************************************************* * * FUNCTION: AcpiDmDisassemble * * PARAMETERS: WalkState - Current state * Origin - Starting object * NumOpcodes - Max number of opcodes to be displayed * * RETURN: None * * DESCRIPTION: Disassemble parser object and its children. This is the * main entry point of the disassembler. * ******************************************************************************/ void AcpiDmDisassemble ( ACPI_WALK_STATE *WalkState, ACPI_PARSE_OBJECT *Origin, UINT32 NumOpcodes) { ACPI_PARSE_OBJECT *Op = Origin; ACPI_OP_WALK_INFO Info; if (!Op) { return; } memset (&Info, 0, sizeof (ACPI_OP_WALK_INFO)); Info.WalkState = WalkState; Info.StartAml = Op->Common.Aml - sizeof (ACPI_TABLE_HEADER); Info.AmlOffset = Op->Common.Aml - Info.StartAml; AcpiDmWalkParseTree (Op, AcpiDmDescendingOp, AcpiDmAscendingOp, &Info); return; } /******************************************************************************* * * FUNCTION: AcpiDmWalkParseTree * * PARAMETERS: Op - Root Op object * DescendingCallback - Called during tree descent * AscendingCallback - Called during tree ascent * Context - To be passed to the callbacks * * RETURN: Status from callback(s) * * DESCRIPTION: Walk the entire parse tree. * ******************************************************************************/ void AcpiDmWalkParseTree ( ACPI_PARSE_OBJECT *Op, ASL_WALK_CALLBACK DescendingCallback, ASL_WALK_CALLBACK AscendingCallback, void *Context) { BOOLEAN NodePreviouslyVisited; ACPI_PARSE_OBJECT *StartOp = Op; ACPI_STATUS Status; ACPI_PARSE_OBJECT *Next; ACPI_OP_WALK_INFO *Info = Context; Info->Level = 0; NodePreviouslyVisited = FALSE; while (Op) { if (NodePreviouslyVisited) { if (AscendingCallback) { Status = AscendingCallback (Op, Info->Level, Context); if (ACPI_FAILURE (Status)) { return; } } } else { /* Let the callback process the node */ Status = DescendingCallback (Op, Info->Level, Context); if (ACPI_SUCCESS (Status)) { /* Visit children first, once */ Next = AcpiPsGetArg (Op, 0); if (Next) { Info->Level++; Op = Next; continue; } } else if (Status != AE_CTRL_DEPTH) { /* Exit immediately on any error */ return; } } /* Terminate walk at start op */ if (Op == StartOp) { break; } /* No more children, re-visit this node */ if (!NodePreviouslyVisited) { NodePreviouslyVisited = TRUE; continue; } /* No more children, visit peers */ if (Op->Common.Next) { Op = Op->Common.Next; NodePreviouslyVisited = FALSE; } else { /* No peers, re-visit parent */ if (Info->Level != 0 ) { Info->Level--; } Op = Op->Common.Parent; NodePreviouslyVisited = TRUE; } } /* If we get here, the walk completed with no errors */ return; } /******************************************************************************* * * FUNCTION: AcpiDmBlockType * * PARAMETERS: Op - Object to be examined * * RETURN: BlockType - not a block, parens, braces, or even both. * * DESCRIPTION: Type of block for this op (parens or braces) * ******************************************************************************/ UINT32 AcpiDmBlockType ( ACPI_PARSE_OBJECT *Op) { const ACPI_OPCODE_INFO *OpInfo; if (!Op) { return (BLOCK_NONE); } switch (Op->Common.AmlOpcode) { case AML_ELSE_OP: return (BLOCK_BRACE); case AML_METHOD_OP: case AML_DEVICE_OP: case AML_SCOPE_OP: case AML_PROCESSOR_OP: case AML_POWER_RESOURCE_OP: case AML_THERMAL_ZONE_OP: case AML_IF_OP: case AML_WHILE_OP: case AML_FIELD_OP: case AML_INDEX_FIELD_OP: case AML_BANK_FIELD_OP: return (BLOCK_PAREN | BLOCK_BRACE); case AML_BUFFER_OP: if ((Op->Common.DisasmOpcode == ACPI_DASM_UNICODE) || (Op->Common.DisasmOpcode == ACPI_DASM_UUID) || (Op->Common.DisasmOpcode == ACPI_DASM_PLD_METHOD)) { return (BLOCK_NONE); } /*lint -fallthrough */ case AML_PACKAGE_OP: case AML_VARIABLE_PACKAGE_OP: return (BLOCK_PAREN | BLOCK_BRACE); case AML_EVENT_OP: return (BLOCK_PAREN); case AML_INT_METHODCALL_OP: if (Op->Common.Parent && ((Op->Common.Parent->Common.AmlOpcode == AML_PACKAGE_OP) || (Op->Common.Parent->Common.AmlOpcode == AML_VARIABLE_PACKAGE_OP))) { /* This is a reference to a method, not an invocation */ return (BLOCK_NONE); } /*lint -fallthrough */ default: OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode); if (OpInfo->Flags & AML_HAS_ARGS) { return (BLOCK_PAREN); } return (BLOCK_NONE); } } /******************************************************************************* * * FUNCTION: AcpiDmListType * * PARAMETERS: Op - Object to be examined * * RETURN: ListType - has commas or not. * * DESCRIPTION: Type of block for this op (parens or braces) * ******************************************************************************/ UINT32 AcpiDmListType ( ACPI_PARSE_OBJECT *Op) { const ACPI_OPCODE_INFO *OpInfo; if (!Op) { return (BLOCK_NONE); } switch (Op->Common.AmlOpcode) { case AML_ELSE_OP: case AML_METHOD_OP: case AML_DEVICE_OP: case AML_SCOPE_OP: case AML_POWER_RESOURCE_OP: case AML_PROCESSOR_OP: case AML_THERMAL_ZONE_OP: case AML_IF_OP: case AML_WHILE_OP: case AML_FIELD_OP: case AML_INDEX_FIELD_OP: case AML_BANK_FIELD_OP: return (BLOCK_NONE); case AML_BUFFER_OP: case AML_PACKAGE_OP: case AML_VARIABLE_PACKAGE_OP: return (BLOCK_COMMA_LIST); default: OpInfo = AcpiPsGetOpcodeInfo (Op->Common.AmlOpcode); if (OpInfo->Flags & AML_HAS_ARGS) { return (BLOCK_COMMA_LIST); } return (BLOCK_NONE); } } /******************************************************************************* * * FUNCTION: AcpiDmDescendingOp * * PARAMETERS: ASL_WALK_CALLBACK * * RETURN: Status * * DESCRIPTION: First visitation of a parse object during tree descent. * Decode opcode name and begin parameter list(s), if any. * ******************************************************************************/ 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); } /******************************************************************************* * * FUNCTION: AcpiDmAscendingOp * * PARAMETERS: ASL_WALK_CALLBACK * * RETURN: Status * * DESCRIPTION: Second visitation of a parse object, during ascent of parse * tree. Close out any parameter lists and complete the opcode. * ******************************************************************************/ static ACPI_STATUS AcpiDmAscendingOp ( ACPI_PARSE_OBJECT *Op, UINT32 Level, void *Context) { ACPI_OP_WALK_INFO *Info = Context; ACPI_PARSE_OBJECT *ParentOp; /* Point the Op's filename pointer to the proper file */ if (AcpiGbl_CaptureComments) { ASL_CV_LABEL_FILENODE (Op); /* Switch the output of these files if necessary */ if (ASL_CV_FILE_HAS_SWITCHED (Op)) { ASL_CV_SWITCH_FILES (Level, Op); } } if (Op->Common.DisasmFlags & ACPI_PARSEOP_IGNORE || Op->Common.DisasmOpcode == ACPI_DASM_IGNORE_SINGLE) { /* Ignore this op -- it was handled elsewhere */ return (AE_OK); } if ((Level == 0) && (Op->Common.AmlOpcode == AML_SCOPE_OP)) { /* Indicates the end of the current descriptor block (table) */ ASL_CV_CLOSE_BRACE (Op, Level); /* Print any comments that are at the end of the file here */ if (AcpiGbl_CaptureComments && AcpiGbl_LastListHead) { AcpiOsPrintf ("\n"); ASL_CV_PRINT_ONE_COMMENT_LIST (AcpiGbl_LastListHead, 0); } AcpiOsPrintf ("\n\n"); return (AE_OK); } switch (AcpiDmBlockType (Op)) { case BLOCK_PAREN: /* Completed an op that has arguments, add closing paren if needed */ AcpiDmCloseOperator (Op); if (Op->Common.AmlOpcode == AML_NAME_OP) { /* Emit description comment for Name() with a predefined ACPI name */ AcpiDmPredefinedDescription (Op); } else { /* For Create* operators, attempt to emit resource tag description */ AcpiDmFieldPredefinedDescription (Op); } /* Decode Notify() values */ if (Op->Common.AmlOpcode == AML_NOTIFY_OP) { AcpiDmNotifyDescription (Op); } AcpiDmDisplayTargetPathname (Op); /* Could be a nested operator, check if comma required */ if (!AcpiDmCommaIfListMember (Op)) { if ((AcpiDmBlockType (Op->Common.Parent) & BLOCK_BRACE) && (!(Op->Common.DisasmFlags & ACPI_PARSEOP_PARAMETER_LIST)) && (Op->Common.AmlOpcode != AML_INT_BYTELIST_OP)) { /* * This is a first-level element of a term list * start a new line */ if (!(Info->Flags & ACPI_PARSEOP_PARAMETER_LIST)) { AcpiOsPrintf ("\n"); } } } break; case BLOCK_BRACE: case (BLOCK_BRACE | BLOCK_PAREN): /* Completed an op that has a term list, add closing brace */ if (Op->Common.DisasmFlags & ACPI_PARSEOP_EMPTY_TERMLIST) { ASL_CV_CLOSE_BRACE (Op, Level); } else { AcpiDmIndent (Level); ASL_CV_CLOSE_BRACE (Op, Level); } AcpiDmCommaIfListMember (Op); if (AcpiDmBlockType (Op->Common.Parent) != BLOCK_PAREN) { AcpiOsPrintf ("\n"); if (!(Op->Common.DisasmFlags & ACPI_PARSEOP_EMPTY_TERMLIST)) { if ((Op->Common.AmlOpcode == AML_IF_OP) && (Op->Common.Next) && (Op->Common.Next->Common.AmlOpcode == AML_ELSE_OP)) { break; } if ((AcpiDmBlockType (Op->Common.Parent) & BLOCK_BRACE) && (!Op->Common.Next)) { break; } AcpiOsPrintf ("\n"); } } break; case BLOCK_NONE: default: /* Could be a nested operator, check if comma required */ if (!AcpiDmCommaIfListMember (Op)) { if ((AcpiDmBlockType (Op->Common.Parent) & BLOCK_BRACE) && (!(Op->Common.DisasmFlags & ACPI_PARSEOP_PARAMETER_LIST)) && (Op->Common.AmlOpcode != AML_INT_BYTELIST_OP)) { /* * This is a first-level element of a term list * start a new line */ AcpiOsPrintf ("\n"); } } else if (Op->Common.Parent) { switch (Op->Common.Parent->Common.AmlOpcode) { case AML_PACKAGE_OP: case AML_VARIABLE_PACKAGE_OP: if (!(Op->Common.DisasmFlags & ACPI_PARSEOP_PARAMETER_LIST)) { AcpiOsPrintf ("\n"); } break; default: break; } } break; } if (Op->Common.DisasmFlags & ACPI_PARSEOP_PARAMETER_LIST) { if ((Op->Common.Next) && (Op->Common.Next->Common.DisasmFlags & ACPI_PARSEOP_PARAMETER_LIST)) { return (AE_OK); } /* * The parent Op is guaranteed to be valid because of the flag * ACPI_PARSEOP_PARAMETER_LIST -- which means that this op is part of * a parameter list and thus has a valid parent. */ ParentOp = Op->Common.Parent; /* * Just completed a parameter node for something like "Buffer (param)". * Close the paren and open up the term list block with a brace. * * Switch predicates don't have a Next node but require a closing paren * and opening brace. */ if (Op->Common.Next || Op->Common.DisasmOpcode == ACPI_DASM_SWITCH_PREDICATE) { ASL_CV_CLOSE_PAREN (Op, Level); /* * Emit a description comment for a Name() operator that is a * predefined ACPI name. Must check the grandparent. */ ParentOp = ParentOp->Common.Parent; if (ParentOp && (ParentOp->Asl.AmlOpcode == AML_NAME_OP)) { AcpiDmPredefinedDescription (ParentOp); } /* Correct the indentation level for Switch and Case predicates */ if (Op->Common.DisasmOpcode == ACPI_DASM_SWITCH_PREDICATE) { --Level; } AcpiOsPrintf ("\n"); AcpiDmIndent (Level - 1); AcpiOsPrintf ("{\n"); } else { ParentOp->Common.DisasmFlags |= ACPI_PARSEOP_EMPTY_TERMLIST; ASL_CV_CLOSE_PAREN (Op, Level); AcpiOsPrintf ("{"); } } if ((Op->Common.AmlOpcode == AML_NAME_OP) || (Op->Common.AmlOpcode == AML_RETURN_OP)) { Info->Level++; } /* * For ASL+, check for and emit a C-style symbol. If valid, the * symbol string has been deferred until after the first operand */ if (AcpiGbl_CstyleDisassembly) { if (Op->Asl.OperatorSymbol) { AcpiOsPrintf ("%s", Op->Asl.OperatorSymbol); Op->Asl.OperatorSymbol = NULL; } } return (AE_OK); }