| /****************************************************************************** |
| * |
| * Module Name: aslutils -- compiler utilities |
| * |
| *****************************************************************************/ |
| |
| /* |
| * Copyright (C) 2000 - 2020, Intel Corp. |
| * All rights reserved. |
| * |
| * 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. |
| * |
| * NO WARRANTY |
| * 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 MERCHANTIBILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES. |
| */ |
| |
| #include "aslcompiler.h" |
| #include "aslcompiler.y.h" |
| #include "acdisasm.h" |
| #include "acnamesp.h" |
| #include "amlcode.h" |
| #include "acapps.h" |
| #include <sys/stat.h> |
| |
| |
| #define _COMPONENT ACPI_COMPILER |
| ACPI_MODULE_NAME ("aslutils") |
| |
| |
| /* Local prototypes */ |
| |
| static void |
| UtPadNameWithUnderscores ( |
| char *NameSeg, |
| char *PaddedNameSeg); |
| |
| static void |
| UtAttachNameseg ( |
| ACPI_PARSE_OBJECT *Op, |
| char *Name); |
| |
| static void |
| UtDisplayErrorSummary ( |
| UINT32 FileId); |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: UtIsBigEndianMachine |
| * |
| * PARAMETERS: None |
| * |
| * RETURN: TRUE if machine is big endian |
| * FALSE if machine is little endian |
| * |
| * DESCRIPTION: Detect whether machine is little endian or big endian. |
| * |
| ******************************************************************************/ |
| |
| UINT8 |
| UtIsBigEndianMachine ( |
| void) |
| { |
| union { |
| UINT32 Integer; |
| UINT8 Bytes[4]; |
| } Overlay = {0xFF000000}; |
| |
| |
| return (Overlay.Bytes[0]); /* Returns 0xFF (TRUE) for big endian */ |
| } |
| |
| |
| /****************************************************************************** |
| * |
| * FUNCTION: UtQueryForOverwrite |
| * |
| * PARAMETERS: Pathname - Output filename |
| * |
| * RETURN: TRUE if file does not exist or overwrite is authorized |
| * |
| * DESCRIPTION: Query for file overwrite if it already exists. |
| * |
| ******************************************************************************/ |
| |
| BOOLEAN |
| UtQueryForOverwrite ( |
| char *Pathname) |
| { |
| struct stat StatInfo; |
| int InChar; |
| |
| |
| if (!stat (Pathname, &StatInfo)) |
| { |
| fprintf (stderr, "Target file \"%s\" already exists, overwrite? [y|n] ", |
| Pathname); |
| |
| InChar = fgetc (stdin); |
| if (InChar == '\n') |
| { |
| InChar = fgetc (stdin); |
| } |
| |
| if ((InChar != 'y') && (InChar != 'Y')) |
| { |
| return (FALSE); |
| } |
| } |
| |
| return (TRUE); |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: UtNodeIsDescendantOf |
| * |
| * PARAMETERS: Node1 - Child node |
| * Node2 - Possible parent node |
| * |
| * RETURN: Boolean |
| * |
| * DESCRIPTION: Returns TRUE if Node1 is a descendant of Node2. Otherwise, |
| * return FALSE. Note, we assume a NULL Node2 element to be the |
| * topmost (root) scope. All nodes are descendants of the root. |
| * Note: Nodes at the same level (siblings) are not considered |
| * descendants. |
| * |
| ******************************************************************************/ |
| |
| BOOLEAN |
| UtNodeIsDescendantOf ( |
| ACPI_NAMESPACE_NODE *Node1, |
| ACPI_NAMESPACE_NODE *Node2) |
| { |
| |
| if (Node1 == Node2) |
| { |
| return (FALSE); |
| } |
| |
| if (!Node2) |
| { |
| return (TRUE); /* All nodes descend from the root */ |
| } |
| |
| /* Walk upward until the root is reached or parent is found */ |
| |
| while (Node1) |
| { |
| if (Node1 == Node2) |
| { |
| return (TRUE); |
| } |
| |
| Node1 = Node1->Parent; |
| } |
| |
| return (FALSE); |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: UtGetParentMethod |
| * |
| * PARAMETERS: Node - Namespace node for any object |
| * |
| * RETURN: Namespace node for the parent method |
| * NULL - object is not within a method |
| * |
| * DESCRIPTION: Find the parent (owning) method node for a namespace object |
| * |
| ******************************************************************************/ |
| |
| void * |
| UtGetParentMethod ( |
| ACPI_NAMESPACE_NODE *Node) |
| { |
| ACPI_NAMESPACE_NODE *ParentNode; |
| |
| |
| if (!Node) |
| { |
| return (NULL); |
| } |
| |
| /* Walk upward until a method is found, or the root is reached */ |
| |
| ParentNode = Node->Parent; |
| while (ParentNode) |
| { |
| if (ParentNode->Type == ACPI_TYPE_METHOD) |
| { |
| return (ParentNode); |
| } |
| |
| ParentNode = ParentNode->Parent; |
| } |
| |
| return (NULL); /* Object is not within a control method */ |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: UtDisplaySupportedTables |
| * |
| * PARAMETERS: None |
| * |
| * RETURN: None |
| * |
| * DESCRIPTION: Print all supported ACPI table names. |
| * |
| ******************************************************************************/ |
| |
| void |
| UtDisplaySupportedTables ( |
| void) |
| { |
| const AH_TABLE *TableData; |
| UINT32 i; |
| |
| |
| printf ("\nACPI tables supported by iASL version %8.8X:\n" |
| " (Compiler, Disassembler, Template Generator)\n\n", |
| ACPI_CA_VERSION); |
| |
| /* All ACPI tables with the common table header */ |
| |
| printf ("\n Supported ACPI tables:\n"); |
| for (TableData = AcpiGbl_SupportedTables, i = 1; |
| TableData->Signature; TableData++, i++) |
| { |
| printf ("%8u) %s %s\n", i, |
| TableData->Signature, TableData->Description); |
| } |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: UtDisplayConstantOpcodes |
| * |
| * PARAMETERS: None |
| * |
| * RETURN: None |
| * |
| * DESCRIPTION: Print AML opcodes that can be used in constant expressions. |
| * |
| ******************************************************************************/ |
| |
| void |
| UtDisplayConstantOpcodes ( |
| void) |
| { |
| UINT32 i; |
| |
| |
| printf ("Constant expression opcode information\n\n"); |
| |
| for (i = 0; i < sizeof (AcpiGbl_AmlOpInfo) / sizeof (ACPI_OPCODE_INFO); i++) |
| { |
| if (AcpiGbl_AmlOpInfo[i].Flags & AML_CONSTANT) |
| { |
| printf ("%s\n", AcpiGbl_AmlOpInfo[i].Name); |
| } |
| } |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: UtBeginEvent |
| * |
| * PARAMETERS: Name - Ascii name of this event |
| * |
| * RETURN: Event number (integer index) |
| * |
| * DESCRIPTION: Saves the current time with this event |
| * |
| ******************************************************************************/ |
| |
| UINT8 |
| UtBeginEvent ( |
| char *Name) |
| { |
| |
| if (AslGbl_NextEvent >= ASL_NUM_EVENTS) |
| { |
| AcpiOsPrintf ("Ran out of compiler event structs!\n"); |
| return (AslGbl_NextEvent); |
| } |
| |
| /* Init event with current (start) time */ |
| |
| AslGbl_Events[AslGbl_NextEvent].StartTime = AcpiOsGetTimer (); |
| AslGbl_Events[AslGbl_NextEvent].EventName = Name; |
| AslGbl_Events[AslGbl_NextEvent].Valid = TRUE; |
| return (AslGbl_NextEvent++); |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: UtEndEvent |
| * |
| * PARAMETERS: Event - Event number (integer index) |
| * |
| * RETURN: None |
| * |
| * DESCRIPTION: Saves the current time (end time) with this event |
| * |
| ******************************************************************************/ |
| |
| void |
| UtEndEvent ( |
| UINT8 Event) |
| { |
| |
| if (Event >= ASL_NUM_EVENTS) |
| { |
| return; |
| } |
| |
| /* Insert end time for event */ |
| |
| AslGbl_Events[Event].EndTime = AcpiOsGetTimer (); |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: DbgPrint |
| * |
| * PARAMETERS: Type - Type of output |
| * Fmt - Printf format string |
| * ... - variable printf list |
| * |
| * RETURN: None |
| * |
| * DESCRIPTION: Conditional print statement. Prints to stderr only if the |
| * debug flag is set. |
| * |
| ******************************************************************************/ |
| |
| void |
| DbgPrint ( |
| UINT32 Type, |
| char *Fmt, |
| ...) |
| { |
| va_list Args; |
| |
| |
| if (!AslGbl_DebugFlag) |
| { |
| return; |
| } |
| |
| if ((Type == ASL_PARSE_OUTPUT) && |
| (!(AslCompilerdebug))) |
| { |
| return; |
| } |
| |
| va_start (Args, Fmt); |
| (void) vfprintf (stderr, Fmt, Args); |
| va_end (Args); |
| return; |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: UtSetParseOpName |
| * |
| * PARAMETERS: Op - Parse op to be named. |
| * |
| * RETURN: None |
| * |
| * DESCRIPTION: Insert the ascii name of the parse opcode |
| * |
| ******************************************************************************/ |
| |
| void |
| UtSetParseOpName ( |
| ACPI_PARSE_OBJECT *Op) |
| { |
| |
| AcpiUtSafeStrncpy (Op->Asl.ParseOpName, UtGetOpName (Op->Asl.ParseOpcode), |
| ACPI_MAX_PARSEOP_NAME); |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: UtDisplayOneSummary |
| * |
| * PARAMETERS: FileID - ID of outpout file |
| * |
| * RETURN: None |
| * |
| * DESCRIPTION: Display compilation statistics for one input file |
| * |
| ******************************************************************************/ |
| |
| void |
| UtDisplayOneSummary ( |
| UINT32 FileId, |
| BOOLEAN DisplayErrorSummary) |
| { |
| UINT32 i; |
| ASL_GLOBAL_FILE_NODE *FileNode; |
| BOOLEAN DisplayAMLSummary; |
| |
| |
| DisplayAMLSummary = |
| !AslGbl_PreprocessOnly && !AslGbl_ParserErrorDetected && |
| ((AslGbl_ExceptionCount[ASL_ERROR] == 0) || AslGbl_IgnoreErrors) && |
| AslGbl_Files[ASL_FILE_AML_OUTPUT].Handle; |
| |
| if (FileId != ASL_FILE_STDOUT) |
| { |
| /* Compiler name and version number */ |
| |
| FlPrintFile (FileId, "%s version %X [%s]\n\n", |
| ASL_COMPILER_NAME, (UINT32) ACPI_CA_VERSION, __DATE__); |
| } |
| |
| /* Summary of main input and output files */ |
| |
| FileNode = FlGetCurrentFileNode (); |
| |
| if (FileNode->ParserErrorDetected) |
| { |
| FlPrintFile (FileId, |
| "%-14s %s - Compilation aborted due to parser-detected syntax error(s)\n", |
| "Input file:", AslGbl_Files[ASL_FILE_INPUT].Filename); |
| } |
| else if (FileNode->FileType == ASL_INPUT_TYPE_ASCII_DATA) |
| { |
| FlPrintFile (FileId, |
| "%-14s %s - %7u bytes %6u fields %8u source lines\n", |
| "Table Input:", |
| AslGbl_Files[ASL_FILE_INPUT].Filename, |
| FileNode->OriginalInputFileSize, FileNode->TotalFields, |
| FileNode->TotalLineCount); |
| |
| FlPrintFile (FileId, |
| "%-14s %s - %7u bytes\n", |
| "Binary Output:", |
| AslGbl_Files[ASL_FILE_AML_OUTPUT].Filename, FileNode->OutputByteLength); |
| } |
| else if (FileNode->FileType == ASL_INPUT_TYPE_ASCII_ASL) |
| { |
| FlPrintFile (FileId, |
| "%-14s %s - %7u bytes %6u keywords %6u source lines\n", |
| "ASL Input:", |
| AslGbl_Files[ASL_FILE_INPUT].Filename, |
| FileNode->OriginalInputFileSize, |
| FileNode->TotalKeywords, |
| FileNode->TotalLineCount); |
| |
| /* AML summary */ |
| |
| if (DisplayAMLSummary) |
| { |
| FlPrintFile (FileId, |
| "%-14s %s - %7u bytes %6u opcodes %6u named objects\n", |
| "AML Output:", |
| AslGbl_Files[ASL_FILE_AML_OUTPUT].Filename, |
| FlGetFileSize (ASL_FILE_AML_OUTPUT), |
| FileNode->TotalExecutableOpcodes, |
| FileNode->TotalNamedObjects); |
| } |
| } |
| |
| /* Display summary of any optional files */ |
| |
| for (i = ASL_FILE_SOURCE_OUTPUT; i <= ASL_MAX_FILE_TYPE; i++) |
| { |
| if (!AslGbl_Files[i].Filename || !AslGbl_Files[i].Handle) |
| { |
| continue; |
| } |
| |
| /* .SRC is a temp file unless specifically requested */ |
| |
| if ((i == ASL_FILE_SOURCE_OUTPUT) && (!AslGbl_SourceOutputFlag)) |
| { |
| continue; |
| } |
| |
| /* .PRE is the preprocessor intermediate file */ |
| |
| if ((i == ASL_FILE_PREPROCESSOR) && (!AslGbl_KeepPreprocessorTempFile)) |
| { |
| continue; |
| } |
| |
| FlPrintFile (FileId, "%-14s %s - %7u bytes\n", |
| AslGbl_FileDescs[i].ShortDescription, |
| AslGbl_Files[i].Filename, FlGetFileSize (i)); |
| } |
| |
| |
| /* |
| * Optionally emit an error summary for a file. This is used to enhance the |
| * appearance of listing files. |
| */ |
| if (DisplayErrorSummary) |
| { |
| UtDisplayErrorSummary (FileId); |
| } |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: UtDisplayErrorSummary |
| * |
| * PARAMETERS: FileID - ID of outpout file |
| * |
| * RETURN: None |
| * |
| * DESCRIPTION: Display compilation statistics for all input files |
| * |
| ******************************************************************************/ |
| |
| static void |
| UtDisplayErrorSummary ( |
| UINT32 FileId) |
| { |
| BOOLEAN ErrorDetected; |
| |
| |
| ErrorDetected = AslGbl_ParserErrorDetected || |
| ((AslGbl_ExceptionCount[ASL_ERROR] > 0) && !AslGbl_IgnoreErrors); |
| |
| if (ErrorDetected) |
| { |
| FlPrintFile (FileId, "\nCompilation failed. "); |
| } |
| else |
| { |
| FlPrintFile (FileId, "\nCompilation successful. "); |
| } |
| |
| FlPrintFile (FileId, |
| "%u Errors, %u Warnings, %u Remarks", |
| AslGbl_ExceptionCount[ASL_ERROR], |
| AslGbl_ExceptionCount[ASL_WARNING] + |
| AslGbl_ExceptionCount[ASL_WARNING2] + |
| AslGbl_ExceptionCount[ASL_WARNING3], |
| AslGbl_ExceptionCount[ASL_REMARK]); |
| |
| if (AslGbl_FileType != ASL_INPUT_TYPE_ASCII_DATA) |
| { |
| if (AslGbl_ParserErrorDetected) |
| { |
| FlPrintFile (FileId, |
| "\nNo AML files were generated due to syntax error(s)\n"); |
| return; |
| } |
| else if (ErrorDetected) |
| { |
| FlPrintFile (FileId, |
| "\nNo AML files were generated due to compiler error(s)\n"); |
| return; |
| } |
| |
| FlPrintFile (FileId, ", %u Optimizations", |
| AslGbl_ExceptionCount[ASL_OPTIMIZATION]); |
| |
| if (AslGbl_TotalFolds) |
| { |
| FlPrintFile (FileId, ", %u Constants Folded", AslGbl_TotalFolds); |
| } |
| } |
| |
| FlPrintFile (FileId, "\n"); |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: UtDisplaySummary |
| * |
| * PARAMETERS: FileID - ID of outpout file |
| * |
| * RETURN: None |
| * |
| * DESCRIPTION: Display compilation statistics for all input files |
| * |
| ******************************************************************************/ |
| |
| void |
| UtDisplaySummary ( |
| UINT32 FileId) |
| { |
| ASL_GLOBAL_FILE_NODE *Current = AslGbl_FilesList; |
| |
| |
| while (Current) |
| { |
| switch (FlSwitchFileSet(Current->Files[ASL_FILE_INPUT].Filename)) |
| { |
| case SWITCH_TO_SAME_FILE: |
| case SWITCH_TO_DIFFERENT_FILE: |
| |
| UtDisplayOneSummary (FileId, FALSE); |
| Current = Current->Next; |
| break; |
| |
| case FILE_NOT_FOUND: |
| default: |
| |
| Current = NULL; |
| break; |
| } |
| } |
| UtDisplayErrorSummary (FileId); |
| } |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: UtCheckIntegerRange |
| * |
| * PARAMETERS: Op - Integer parse node |
| * LowValue - Smallest allowed value |
| * HighValue - Largest allowed value |
| * |
| * RETURN: Op if OK, otherwise NULL |
| * |
| * DESCRIPTION: Check integer for an allowable range |
| * |
| ******************************************************************************/ |
| |
| ACPI_PARSE_OBJECT * |
| UtCheckIntegerRange ( |
| ACPI_PARSE_OBJECT *Op, |
| UINT32 LowValue, |
| UINT32 HighValue) |
| { |
| |
| if (!Op) |
| { |
| return (NULL); |
| } |
| |
| if ((Op->Asl.Value.Integer < LowValue) || |
| (Op->Asl.Value.Integer > HighValue)) |
| { |
| sprintf (AslGbl_MsgBuffer, "0x%X, allowable: 0x%X-0x%X", |
| (UINT32) Op->Asl.Value.Integer, LowValue, HighValue); |
| |
| AslError (ASL_ERROR, ASL_MSG_RANGE, Op, AslGbl_MsgBuffer); |
| return (NULL); |
| } |
| |
| return (Op); |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: UtInternalizeName |
| * |
| * PARAMETERS: ExternalName - Name to convert |
| * ConvertedName - Where the converted name is returned |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Convert an external (ASL) name to an internal (AML) name |
| * |
| ******************************************************************************/ |
| |
| ACPI_STATUS |
| UtInternalizeName ( |
| char *ExternalName, |
| char **ConvertedName) |
| { |
| ACPI_NAMESTRING_INFO Info; |
| ACPI_STATUS Status; |
| |
| |
| if (!ExternalName) |
| { |
| return (AE_OK); |
| } |
| |
| /* Get the length of the new internal name */ |
| |
| Info.ExternalName = ExternalName; |
| AcpiNsGetInternalNameLength (&Info); |
| |
| /* We need a segment to store the internal name */ |
| |
| Info.InternalName = UtLocalCacheCalloc (Info.Length); |
| |
| /* Build the name */ |
| |
| Status = AcpiNsBuildInternalName (&Info); |
| if (ACPI_FAILURE (Status)) |
| { |
| return (Status); |
| } |
| |
| *ConvertedName = Info.InternalName; |
| return (AE_OK); |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: UtPadNameWithUnderscores |
| * |
| * PARAMETERS: NameSeg - Input nameseg |
| * PaddedNameSeg - Output padded nameseg |
| * |
| * RETURN: Padded nameseg. |
| * |
| * DESCRIPTION: Pads a NameSeg with underscores if necessary to form a full |
| * ACPI_NAME. |
| * |
| ******************************************************************************/ |
| |
| static void |
| UtPadNameWithUnderscores ( |
| char *NameSeg, |
| char *PaddedNameSeg) |
| { |
| UINT32 i; |
| |
| |
| for (i = 0; (i < ACPI_NAMESEG_SIZE); i++) |
| { |
| if (*NameSeg) |
| { |
| *PaddedNameSeg = *NameSeg; |
| NameSeg++; |
| } |
| else |
| { |
| *PaddedNameSeg = '_'; |
| } |
| |
| PaddedNameSeg++; |
| } |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: UtAttachNameseg |
| * |
| * PARAMETERS: Op - Parent parse node |
| * Name - Full ExternalName |
| * |
| * RETURN: None; Sets the NameSeg field in parent node |
| * |
| * DESCRIPTION: Extract the last nameseg of the ExternalName and store it |
| * in the NameSeg field of the Op. |
| * |
| ******************************************************************************/ |
| |
| static void |
| UtAttachNameseg ( |
| ACPI_PARSE_OBJECT *Op, |
| char *Name) |
| { |
| char *NameSeg; |
| char PaddedNameSeg[4]; |
| |
| |
| if (!Name) |
| { |
| return; |
| } |
| |
| /* Look for the last dot in the namepath */ |
| |
| NameSeg = strrchr (Name, '.'); |
| if (NameSeg) |
| { |
| /* Found last dot, we have also found the final nameseg */ |
| |
| NameSeg++; |
| UtPadNameWithUnderscores (NameSeg, PaddedNameSeg); |
| } |
| else |
| { |
| /* No dots in the namepath, there is only a single nameseg. */ |
| /* Handle prefixes */ |
| |
| while (ACPI_IS_ROOT_PREFIX (*Name) || |
| ACPI_IS_PARENT_PREFIX (*Name)) |
| { |
| Name++; |
| } |
| |
| /* Remaining string should be one single nameseg */ |
| |
| UtPadNameWithUnderscores (Name, PaddedNameSeg); |
| } |
| |
| ACPI_COPY_NAMESEG (Op->Asl.NameSeg, PaddedNameSeg); |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: UtAttachNamepathToOwner |
| * |
| * PARAMETERS: Op - Parent parse node |
| * NameOp - Node that contains the name |
| * |
| * RETURN: Sets the ExternalName and Namepath in the parent node |
| * |
| * DESCRIPTION: Store the name in two forms in the parent node: The original |
| * (external) name, and the internalized name that is used within |
| * the ACPI namespace manager. |
| * |
| ******************************************************************************/ |
| |
| void |
| UtAttachNamepathToOwner ( |
| ACPI_PARSE_OBJECT *Op, |
| ACPI_PARSE_OBJECT *NameOp) |
| { |
| ACPI_STATUS Status; |
| |
| |
| /* Full external path */ |
| |
| Op->Asl.ExternalName = NameOp->Asl.Value.String; |
| |
| /* Save the NameOp for possible error reporting later */ |
| |
| Op->Asl.ParentMethod = (void *) NameOp; |
| |
| /* Last nameseg of the path */ |
| |
| UtAttachNameseg (Op, Op->Asl.ExternalName); |
| |
| /* Create internalized path */ |
| |
| Status = UtInternalizeName (NameOp->Asl.Value.String, &Op->Asl.Namepath); |
| if (ACPI_FAILURE (Status)) |
| { |
| /* TBD: abort on no memory */ |
| } |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: UtNameContainsAllPrefix |
| * |
| * PARAMETERS: Op - Op containing NameString |
| * |
| * RETURN: NameString consists of all ^ characters |
| * |
| * DESCRIPTION: Determine if this Op contains a name segment that consists of |
| * all '^' characters. |
| * |
| ******************************************************************************/ |
| |
| BOOLEAN |
| UtNameContainsAllPrefix ( |
| ACPI_PARSE_OBJECT *Op) |
| { |
| UINT32 Length = Op->Asl.AmlLength; |
| UINT32 i; |
| |
| for (i = 0; i < Length; i++) |
| { |
| if (Op->Asl.Value.String[i] != '^') |
| { |
| return (FALSE); |
| } |
| } |
| |
| return (TRUE); |
| } |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: UtDoConstant |
| * |
| * PARAMETERS: String - Hex/Decimal/Octal |
| * |
| * RETURN: Converted Integer |
| * |
| * DESCRIPTION: Convert a string to an integer, with overflow/error checking. |
| * |
| ******************************************************************************/ |
| |
| UINT64 |
| UtDoConstant ( |
| char *String) |
| { |
| ACPI_STATUS Status; |
| UINT64 ConvertedInteger; |
| char ErrBuf[64]; |
| |
| |
| Status = AcpiUtStrtoul64 (String, &ConvertedInteger); |
| if (ACPI_FAILURE (Status)) |
| { |
| sprintf (ErrBuf, "While creating 64-bit constant: %s\n", |
| AcpiFormatException (Status)); |
| |
| AslCommonError (ASL_ERROR, ASL_MSG_SYNTAX, AslGbl_CurrentLineNumber, |
| AslGbl_LogicalLineNumber, AslGbl_CurrentLineOffset, |
| AslGbl_CurrentColumn, AslGbl_Files[ASL_FILE_INPUT].Filename, ErrBuf); |
| } |
| |
| return (ConvertedInteger); |
| } |
| |
| |
| /****************************************************************************** |
| * |
| * FUNCTION: AcpiUtStrdup |
| * |
| * PARAMETERS: String1 - string to duplicate |
| * |
| * RETURN: int that signifies string relationship. Zero means strings |
| * are equal. |
| * |
| * DESCRIPTION: Duplicate the string using UtCacheAlloc to avoid manual memory |
| * reclamation. |
| * |
| ******************************************************************************/ |
| |
| char * |
| AcpiUtStrdup ( |
| char *String) |
| { |
| char *NewString = (char *) UtLocalCalloc (strlen (String) + 1); |
| |
| |
| strcpy (NewString, String); |
| return (NewString); |
| } |
| |
| |
| /****************************************************************************** |
| * |
| * FUNCTION: AcpiUtStrcat |
| * |
| * PARAMETERS: String1 |
| * String2 |
| * |
| * RETURN: New string with String1 concatenated with String2 |
| * |
| * DESCRIPTION: Concatenate string1 and string2 |
| * |
| ******************************************************************************/ |
| |
| char * |
| AcpiUtStrcat ( |
| char *String1, |
| char *String2) |
| { |
| UINT32 String1Length = strlen (String1); |
| char *NewString = (char *) UtLocalCalloc (strlen (String1) + strlen (String2) + 1); |
| |
| strcpy (NewString, String1); |
| strcpy (NewString + String1Length, String2); |
| return (NewString); |
| } |