/****************************************************************************** * * Module Name: cvparser - Converter functions that are called from the AML * parser. * *****************************************************************************/ /****************************************************************************** * * 1. Copyright Notice * * Some or all of this work - Copyright (c) 1999 - 2021, 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 #include #include #include #include #include #include /* local prototypes */ static BOOLEAN CvCommentExists ( UINT8 *Address); static BOOLEAN CvIsFilename ( char *Filename); static ACPI_FILE_NODE* CvFileAddressLookup( char *Address, ACPI_FILE_NODE *Head); static void CvAddToFileTree ( char *Filename, char *PreviousFilename); static void CvSetFileParent ( char *ChildFile, char *ParentFile); /******************************************************************************* * * FUNCTION: CvIsFilename * * PARAMETERS: filename - input filename * * RETURN: BOOLEAN - TRUE if all characters are between 0x20 and 0x7f * * DESCRIPTION: Take a given char * and see if it contains all printable * characters. If all characters have hexvalues 20-7f and ends with * .dsl, we will assume that it is a proper filename. * ******************************************************************************/ static BOOLEAN CvIsFilename ( char *Filename) { UINT64 Length = strlen(Filename); char *FileExt = Filename + Length - 4; UINT64 i; if ((Length > 4) && AcpiUtStricmp (FileExt, ".dsl")) { return (FALSE); } for(i = 0; iLength - sizeof (ACPI_TABLE_HEADER); AmlStart = ((UINT8 *) Table + sizeof (ACPI_TABLE_HEADER)); CvDbgPrint ("AmlLength: %x\n", AmlLength); CvDbgPrint ("AmlStart: %p\n", AmlStart); CvDbgPrint ("AmlEnd: %p\n", AmlStart+AmlLength); AcpiGbl_FileTreeRoot = AcpiOsAcquireObject (AcpiGbl_FileCache); AcpiGbl_FileTreeRoot->FileStart = (char *)(AmlStart); AcpiGbl_FileTreeRoot->FileEnd = (char *)(AmlStart + Table->Length); AcpiGbl_FileTreeRoot->Next = NULL; AcpiGbl_FileTreeRoot->Parent = NULL; AcpiGbl_FileTreeRoot->Filename = (char *)(AmlStart+2); /* Set the root file to the current open file */ AcpiGbl_FileTreeRoot->File = RootFile; /* * Set this to true because we don't need to output * an include statement for the topmost file */ AcpiGbl_FileTreeRoot->IncludeWritten = TRUE; Filename = NULL; AcpiGbl_CurrentFilename = (char *)(AmlStart+2); AcpiGbl_RootFilename = (char *)(AmlStart+2); TreeAml = AmlStart; FileEnd = AmlStart + AmlLength; while (TreeAml <= FileEnd) { /* * Make sure that this filename contains all printable characters * and a .dsl extension at the end. If not, then it must be some * raw data that doesn't outline a filename. */ if ((*TreeAml == AML_COMMENT_OP) && (*(TreeAml +1) == FILENAME_COMMENT) && (CvIsFilename ((char *)(TreeAml +2)))) { CvDbgPrint ("A9 and a 08 file\n"); PreviousFilename = Filename; Filename = (char *) (TreeAml +2); CvAddToFileTree (Filename, PreviousFilename); ChildFilename = Filename; CvDbgPrint ("%s\n", Filename); } else if ((*TreeAml == AML_COMMENT_OP) && (*(TreeAml +1) == PARENTFILENAME_COMMENT) && (CvIsFilename ((char *)(TreeAml +2)))) { CvDbgPrint ("A9 and a 09 file\n"); ParentFilename = (char *)(TreeAml +2); CvSetFileParent (ChildFilename, ParentFilename); CvDbgPrint ("%s\n", ParentFilename); } ++TreeAml; } } /******************************************************************************* * * FUNCTION: CvClearOpComments * * PARAMETERS: Op -- clear all comments within this Op * * RETURN: None * * DESCRIPTION: Clear all converter-related fields of the given Op. * This is referred as ASL_CV_CLEAR_OP_COMMENTS. * ******************************************************************************/ void CvClearOpComments ( ACPI_PARSE_OBJECT *Op) { Op->Common.InlineComment = NULL; Op->Common.EndNodeComment = NULL; Op->Common.NameComment = NULL; Op->Common.CommentList = NULL; Op->Common.EndBlkComment = NULL; Op->Common.CloseBraceComment = NULL; Op->Common.CvFilename = NULL; Op->Common.CvParentFilename = NULL; } /******************************************************************************* * * FUNCTION: CvCommentExists * * PARAMETERS: Address - check if this address appears in the list * * RETURN: BOOLEAN - TRUE if the address exists. * * DESCRIPTION: Look at the pointer address and check if this appears in the * list of all addresses. If it exists in the list, return TRUE * if it exists. Otherwise add to the list and return FALSE. * ******************************************************************************/ static BOOLEAN CvCommentExists ( UINT8 *Address) { ACPI_COMMENT_ADDR_NODE *Current = AcpiGbl_CommentAddrListHead; UINT8 Option; if (!Address) { return (FALSE); } Option = *(Address + 1); /* * FILENAME_COMMENT and PARENTFILENAME_COMMENT are not treated as * comments. They serve as markers for where the file starts and ends. */ if ((Option == FILENAME_COMMENT) || (Option == PARENTFILENAME_COMMENT)) { return (FALSE); } if (!Current) { AcpiGbl_CommentAddrListHead = AcpiOsAcquireObject (AcpiGbl_RegCommentCache); AcpiGbl_CommentAddrListHead->Addr = Address; AcpiGbl_CommentAddrListHead->Next = NULL; return (FALSE); } else { while (Current) { if (Current->Addr != Address) { Current = Current->Next; } else { return (TRUE); } } /* * If the execution gets to this point, it means that this * address does not exists in the list. Add this address to the * beginning of the list. */ Current = AcpiGbl_CommentAddrListHead; AcpiGbl_CommentAddrListHead = AcpiOsAcquireObject (AcpiGbl_RegCommentCache); AcpiGbl_CommentAddrListHead->Addr = Address; AcpiGbl_CommentAddrListHead->Next = Current; return (FALSE); } } /******************************************************************************* * * FUNCTION: CvFilenameExists * * PARAMETERS: Filename - filename to search * * RETURN: ACPI_FILE_NODE - a pointer to a file node * * DESCRIPTION: Look for the given filename in the file dependency tree. * Returns the file node if it exists, returns NULL if it does not. * ******************************************************************************/ ACPI_FILE_NODE* CvFilenameExists( char *Filename, ACPI_FILE_NODE *Head) { ACPI_FILE_NODE *Current = Head; if (!Filename) { return (NULL); } while (Current) { if (!AcpiUtStricmp (Current->Filename, Filename)) { return (Current); } Current = Current->Next; } return (NULL); } /******************************************************************************* * * FUNCTION: CvFileAddressLookup * * PARAMETERS: Address - address to look up * Head - file dependency tree * * RETURN: ACPI_FILE_NODE - pointer to a file node containing the address * * DESCRIPTION: Look for the given address in the file dependency tree. * Returns the first file node where the given address is within * the file node's starting and ending address. * ******************************************************************************/ static ACPI_FILE_NODE * CvFileAddressLookup( char *Address, ACPI_FILE_NODE *Head) { ACPI_FILE_NODE *Current = Head; while (Current) { if ((Address >= Current->FileStart) && (Address < Current->FileEnd || !Current->FileEnd)) { return (Current); } Current = Current->Next; } return (NULL); } /******************************************************************************* * * FUNCTION: CvLabelFileNode * * PARAMETERS: Op * * RETURN: None * * DESCRIPTION: Takes a given parse op, looks up its Op->Common.Aml field * within the file tree and fills in appropriate file information * from a matching node within the tree. * This is referred as ASL_CV_LABEL_FILENODE. * ******************************************************************************/ void CvLabelFileNode( ACPI_PARSE_OBJECT *Op) { ACPI_FILE_NODE *Node; if (!Op) { return; } Node = CvFileAddressLookup ((char *) Op->Common.Aml, AcpiGbl_FileTreeRoot); if (!Node) { return; } Op->Common.CvFilename = Node->Filename; if (Node->Parent) { Op->Common.CvParentFilename = Node->Parent->Filename; } else { Op->Common.CvParentFilename = Node->Filename; } } /******************************************************************************* * * FUNCTION: CvAddToFileTree * * PARAMETERS: Filename - Address containing the name of the current * filename * PreviousFilename - Address containing the name of the previous * filename * * RETURN: None * * DESCRIPTION: Add this filename to the AcpiGbl_FileTree if it does not exist. * ******************************************************************************/ static void CvAddToFileTree ( char *Filename, char *PreviousFilename) { ACPI_FILE_NODE *Node; if (!AcpiUtStricmp(Filename, AcpiGbl_RootFilename) && PreviousFilename) { Node = CvFilenameExists (PreviousFilename, AcpiGbl_FileTreeRoot); if (Node) { /* * Set the end point of the PreviousFilename to the address * of Filename. */ Node->FileEnd = Filename; } } else if (!AcpiUtStricmp(Filename, AcpiGbl_RootFilename) && !PreviousFilename) { return; } Node = CvFilenameExists (Filename, AcpiGbl_FileTreeRoot); if (Node && PreviousFilename) { /* * Update the end of the previous file and all of their parents' * ending addresses. This is done to ensure that parent file * ranges extend to the end of their childrens' files. */ Node = CvFilenameExists (PreviousFilename, AcpiGbl_FileTreeRoot); if (Node && (Node->FileEnd < Filename)) { Node->FileEnd = Filename; Node = Node->Parent; while (Node) { if (Node->FileEnd < Filename) { Node->FileEnd = Filename; } Node = Node->Parent; } } } else { Node = AcpiGbl_FileTreeRoot; AcpiGbl_FileTreeRoot = AcpiOsAcquireObject (AcpiGbl_FileCache); AcpiGbl_FileTreeRoot->Next = Node; AcpiGbl_FileTreeRoot->Parent = NULL; AcpiGbl_FileTreeRoot->Filename = Filename; AcpiGbl_FileTreeRoot->FileStart = Filename; AcpiGbl_FileTreeRoot->IncludeWritten = FALSE; AcpiGbl_FileTreeRoot->File = fopen(Filename, "w+"); /* * If we can't open the file, we need to abort here before we * accidentally write to a NULL file. */ if (!AcpiGbl_FileTreeRoot->File) { /* delete the .xxx file */ FlDeleteFile (ASL_FILE_AML_OUTPUT); sprintf (AslGbl_MsgBuffer, "\"%s\" - %s", Filename, strerror (errno)); AslCommonError (ASL_ERROR, ASL_MSG_OPEN, 0, 0, 0, 0, NULL, AslGbl_MsgBuffer); AslAbort (); } } } /******************************************************************************* * * FUNCTION: CvSetFileParent * * PARAMETERS: ChildFile - contains the filename of the child file * ParentFile - contains the filename of the parent file. * * RETURN: None * * DESCRIPTION: Point the parent pointer of the Child to the node that * corresponds with the parent file node. * ******************************************************************************/ static void CvSetFileParent ( char *ChildFile, char *ParentFile) { ACPI_FILE_NODE *Child; ACPI_FILE_NODE *Parent; Child = CvFilenameExists (ChildFile, AcpiGbl_FileTreeRoot); Parent = CvFilenameExists (ParentFile, AcpiGbl_FileTreeRoot); if (Child && Parent) { Child->Parent = Parent; while (Child->Parent) { if (Child->Parent->FileEnd < Child->FileStart) { Child->Parent->FileEnd = Child->FileStart; } Child = Child->Parent; } } } /******************************************************************************* * * FUNCTION: CvCaptureCommentsOnly * * PARAMETERS: ParserState - A parser state object * * RETURN: None * * DESCRIPTION: Look at the aml that the parser state is pointing to, * capture any AML_COMMENT_OP and it's arguments and increment the * aml pointer past the comment. Comments are transferred to parse * nodes through CvTransferComments() as well as * AcpiPsBuildNamedOp(). * This is referred as ASL_CV_CAPTURE_COMMENTS_ONLY. * ******************************************************************************/ void CvCaptureCommentsOnly ( ACPI_PARSE_STATE *ParserState) { UINT8 *Aml = ParserState->Aml; UINT16 Opcode = (UINT16) ACPI_GET8 (Aml); UINT32 Length = 0; UINT8 CommentOption; BOOLEAN StdDefBlockFlag = FALSE; ACPI_COMMENT_NODE *CommentNode; ACPI_FILE_NODE *FileNode; if (!AcpiGbl_CaptureComments || Opcode != AML_COMMENT_OP) { return; } while (Opcode == AML_COMMENT_OP) { CvDbgPrint ("comment aml address: %p\n", Aml); if (CvCommentExists(ParserState->Aml)) { CvDbgPrint ("Avoiding capturing an existing comment.\n"); } else { CommentOption = *(Aml +1); /* * Increment past the comment option and point the * appropriate char pointers */ Aml += 2; /* Found a comment. Now, set pointers to these comments. */ switch (CommentOption) { case STD_DEFBLK_COMMENT: StdDefBlockFlag = TRUE; /* * Add to a linked list of nodes. This list will be * taken by the parse node created next. */ CommentNode = AcpiOsAcquireObject ( AcpiGbl_RegCommentCache); CommentNode->Comment = ACPI_CAST_PTR (char, Aml); CommentNode->Next = NULL; if (!AcpiGbl_DefBlkCommentListHead) { AcpiGbl_DefBlkCommentListHead = CommentNode; AcpiGbl_DefBlkCommentListTail = CommentNode; } else { AcpiGbl_DefBlkCommentListTail->Next = CommentNode; AcpiGbl_DefBlkCommentListTail = AcpiGbl_DefBlkCommentListTail->Next; } break; case STANDARD_COMMENT: CvDbgPrint ("found regular comment.\n"); /* * Add to a linked list of nodes. This list will be * taken by the parse node created next. */ CommentNode = AcpiOsAcquireObject ( AcpiGbl_RegCommentCache); CommentNode->Comment = ACPI_CAST_PTR (char, Aml); CommentNode->Next = NULL; if (!AcpiGbl_RegCommentListHead) { AcpiGbl_RegCommentListHead = CommentNode; AcpiGbl_RegCommentListTail = CommentNode; } else { AcpiGbl_RegCommentListTail->Next = CommentNode; AcpiGbl_RegCommentListTail = AcpiGbl_RegCommentListTail->Next; } break; case ENDBLK_COMMENT: CvDbgPrint ("found endblk comment.\n"); /* Add to a linked list of nodes. This will be * taken by the next created parse node. */ CommentNode = AcpiOsAcquireObject ( AcpiGbl_RegCommentCache); CommentNode->Comment = ACPI_CAST_PTR (char, Aml); CommentNode->Next = NULL; if (!AcpiGbl_EndBlkCommentListHead) { AcpiGbl_EndBlkCommentListHead = CommentNode; AcpiGbl_EndBlkCommentListTail = CommentNode; } else { AcpiGbl_EndBlkCommentListTail->Next = CommentNode; AcpiGbl_EndBlkCommentListTail = AcpiGbl_EndBlkCommentListTail->Next; } break; case INLINE_COMMENT: CvDbgPrint ("found inline comment.\n"); AcpiGbl_CurrentInlineComment = ACPI_CAST_PTR (char, Aml); break; case ENDNODE_COMMENT: CvDbgPrint ("found EndNode comment.\n"); AcpiGbl_CurrentEndNodeComment = ACPI_CAST_PTR (char, Aml); break; case CLOSE_BRACE_COMMENT: CvDbgPrint ("found close brace comment.\n"); AcpiGbl_CurrentCloseBraceComment = ACPI_CAST_PTR (char, Aml); break; case END_DEFBLK_COMMENT: CvDbgPrint ("Found comment that belongs after" " the } for a definition block.\n"); AcpiGbl_CurrentScope->Common.CloseBraceComment = ACPI_CAST_PTR (char, Aml); break; case FILENAME_COMMENT: CvDbgPrint ("Found a filename: %s\n", ACPI_CAST_PTR (char, Aml)); FileNode = CvFilenameExists ( ACPI_CAST_PTR (char, Aml), AcpiGbl_FileTreeRoot); /* * If there is an INCLUDE_COMMENT followed by a * FILENAME_COMMENT, then the INCLUDE_COMMENT is a comment * that is emitted before the #include for the file. * We will save the IncludeComment within the FileNode * associated with this FILENAME_COMMENT. */ if (FileNode && AcpiGbl_IncCommentListHead) { FileNode->IncludeComment = AcpiGbl_IncCommentListHead; AcpiGbl_IncCommentListHead = NULL; AcpiGbl_IncCommentListTail = NULL; } break; case PARENTFILENAME_COMMENT: CvDbgPrint (" Found a parent filename.\n"); break; case INCLUDE_COMMENT: /* * Add to a linked list. This list will be taken by the * parse node created next. See the FILENAME_COMMENT case * for more details */ CommentNode = AcpiOsAcquireObject ( AcpiGbl_RegCommentCache); CommentNode->Comment = ACPI_CAST_PTR (char, Aml); CommentNode->Next = NULL; if (!AcpiGbl_IncCommentListHead) { AcpiGbl_IncCommentListHead = CommentNode; AcpiGbl_IncCommentListTail = CommentNode; } else { AcpiGbl_IncCommentListTail->Next = CommentNode; AcpiGbl_IncCommentListTail = AcpiGbl_IncCommentListTail->Next; } CvDbgPrint ("Found a include comment: %s\n", CommentNode->Comment); break; default: /* Not a valid comment option. Revert the AML */ goto DefBlock; } /* End switch statement */ } /* End else */ /* Determine the length and move forward that amount */ Length = 0; while (ParserState->Aml[Length]) { Length++; } ParserState->Aml += Length + 1; /* Peek at the next Opcode. */ Aml = ParserState->Aml; Opcode = (UINT16) ACPI_GET8 (Aml); } DefBlock: if (StdDefBlockFlag) { /* * Give all of its comments to the current scope, which is known as * the definition block, since STD_DEFBLK_COMMENT only appears after * definition block headers. */ AcpiGbl_CurrentScope->Common.CommentList = AcpiGbl_DefBlkCommentListHead; AcpiGbl_DefBlkCommentListHead = NULL; AcpiGbl_DefBlkCommentListTail = NULL; } } /******************************************************************************* * * FUNCTION: CvCaptureComments * * PARAMETERS: ParserState - A parser state object * * RETURN: None * * DESCRIPTION: Wrapper function for CvCaptureCommentsOnly * This is referred as ASL_CV_CAPTURE_COMMENTS. * ******************************************************************************/ void CvCaptureComments ( ACPI_WALK_STATE *WalkState) { UINT8 *Aml; UINT16 Opcode; const ACPI_OPCODE_INFO *OpInfo; if (!AcpiGbl_CaptureComments) { return; } /* * Before parsing, check to see that comments that come directly * after deferred opcodes aren't being processed. */ Aml = WalkState->ParserState.Aml; Opcode = (UINT16) ACPI_GET8 (Aml); OpInfo = AcpiPsGetOpcodeInfo (Opcode); if (!(OpInfo->Flags & AML_DEFER) || ((OpInfo->Flags & AML_DEFER) && (WalkState->PassNumber != ACPI_IMODE_LOAD_PASS1))) { CvCaptureCommentsOnly (&WalkState->ParserState); WalkState->Aml = WalkState->ParserState.Aml; } } /******************************************************************************* * * FUNCTION: CvTransferComments * * PARAMETERS: Op - Transfer comments to this Op * * RETURN: None * * DESCRIPTION: Transfer all of the comments stored in global containers to the * given Op. This will be invoked shortly after the parser creates * a ParseOp. * This is referred as ASL_CV_TRANSFER_COMMENTS. * ******************************************************************************/ void CvTransferComments ( ACPI_PARSE_OBJECT *Op) { Op->Common.InlineComment = AcpiGbl_CurrentInlineComment; AcpiGbl_CurrentInlineComment = NULL; Op->Common.EndNodeComment = AcpiGbl_CurrentEndNodeComment; AcpiGbl_CurrentEndNodeComment = NULL; Op->Common.CloseBraceComment = AcpiGbl_CurrentCloseBraceComment; AcpiGbl_CurrentCloseBraceComment = NULL; Op->Common.CommentList = AcpiGbl_RegCommentListHead; AcpiGbl_RegCommentListHead = NULL; AcpiGbl_RegCommentListTail = NULL; Op->Common.EndBlkComment = AcpiGbl_EndBlkCommentListHead; AcpiGbl_EndBlkCommentListHead = NULL; AcpiGbl_EndBlkCommentListTail = NULL; }