| 0,0 → 1,894 |
|---|
| /****************************************************************************** |
| * |
| * Module Name: dtutils.c - Utility routines for the data table compiler |
| * |
| *****************************************************************************/ |
| |
| /****************************************************************************** |
| * |
| * 1. Copyright Notice |
| * |
| * Some or all of this work - Copyright (c) 1999 - 2010, 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. |
| * |
| *****************************************************************************/ |
| |
| #define __DTUTILS_C__ |
| |
| #include "aslcompiler.h" |
| #include "dtcompiler.h" |
| #include "actables.h" |
| |
| #define _COMPONENT DT_COMPILER |
| ACPI_MODULE_NAME ("dtutils") |
| |
| /* Local prototypes */ |
| |
| static void |
| DtSum ( |
| DT_SUBTABLE *Subtable, |
| void *Context, |
| void *ReturnValue); |
| |
| |
| /****************************************************************************** |
| * |
| * FUNCTION: DtError |
| * |
| * PARAMETERS: Level - Seriousness (Warning/error, etc.) |
| * MessageId - Index into global message buffer |
| * Op - Parse node where error happened |
| * ExtraMessage - additional error message |
| * |
| * RETURN: None |
| * |
| * DESCRIPTION: Common error interface for data table compiler |
| * |
| *****************************************************************************/ |
| |
| void |
| DtError ( |
| UINT8 Level, |
| UINT8 MessageId, |
| DT_FIELD *FieldObject, |
| char *ExtraMessage) |
| { |
| |
| switch (Level) |
| { |
| case ASL_WARNING2: |
| case ASL_WARNING3: |
| if (Gbl_WarningLevel < Level) |
| { |
| return; |
| } |
| break; |
| |
| default: |
| break; |
| } |
| |
| if (FieldObject) |
| { |
| AslCommonError (Level, MessageId, |
| FieldObject->Line, |
| FieldObject->Line, |
| FieldObject->ByteOffset, |
| FieldObject->Column, |
| Gbl_Files[ASL_FILE_INPUT].Filename, ExtraMessage); |
| } |
| else |
| { |
| AslCommonError (Level, MessageId, 0, |
| 0, 0, 0, 0, ExtraMessage); |
| } |
| } |
| |
| |
| /****************************************************************************** |
| * |
| * FUNCTION: DtNameError |
| * |
| * PARAMETERS: Level - Seriousness (Warning/error, etc.) |
| * MessageId - Index into global message buffer |
| * Op - Parse node where error happened |
| * ExtraMessage - additional error message |
| * |
| * RETURN: None |
| * |
| * DESCRIPTION: Error interface for named objects |
| * |
| *****************************************************************************/ |
| |
| void |
| DtNameError ( |
| UINT8 Level, |
| UINT8 MessageId, |
| DT_FIELD *FieldObject, |
| char *ExtraMessage) |
| { |
| |
| switch (Level) |
| { |
| case ASL_WARNING2: |
| case ASL_WARNING3: |
| if (Gbl_WarningLevel < Level) |
| { |
| return; |
| } |
| break; |
| |
| default: |
| break; |
| } |
| |
| if (FieldObject) |
| { |
| AslCommonError (Level, MessageId, |
| FieldObject->Line, |
| FieldObject->Line, |
| FieldObject->ByteOffset, |
| FieldObject->NameColumn, |
| Gbl_Files[ASL_FILE_INPUT].Filename, ExtraMessage); |
| } |
| else |
| { |
| AslCommonError (Level, MessageId, 0, |
| 0, 0, 0, 0, ExtraMessage); |
| } |
| } |
| |
| |
| /******************************************************************************* |
| * |
| * FUNCTION: DtFatal |
| * |
| * PARAMETERS: None |
| * |
| * RETURN: None |
| * |
| * DESCRIPTION: Dump the error log and abort the compiler. Used for serious |
| * compile or I/O errors |
| * |
| ******************************************************************************/ |
| |
| void |
| DtFatal ( |
| UINT8 MessageId, |
| DT_FIELD *FieldObject, |
| char *ExtraMessage) |
| { |
| |
| DtError (ASL_ERROR, MessageId, FieldObject, ExtraMessage); |
| |
| CmCleanupAndExit (); |
| exit (1); |
| } |
| |
| |
| /****************************************************************************** |
| * |
| * FUNCTION: DtStrtoul64 |
| * |
| * PARAMETERS: String - Null terminated string |
| * ReturnInteger - Where the converted integer is returned |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Simple conversion of a string hex integer constant to unsigned |
| * value. Assumes no leading "0x" for the constant. |
| * |
| * Portability note: The reason this function exists is because a 64-bit |
| * sscanf is not available in all environments. |
| * |
| *****************************************************************************/ |
| |
| ACPI_STATUS |
| DtStrtoul64 ( |
| char *String, |
| UINT64 *ReturnInteger) |
| { |
| char *ThisChar = String; |
| UINT32 ThisDigit; |
| UINT64 ReturnValue = 0; |
| int DigitCount = 0; |
| |
| |
| /* Skip over any white space in the buffer */ |
| |
| while ((*ThisChar == ' ') || (*ThisChar == '\t')) |
| { |
| ThisChar++; |
| } |
| |
| /* Skip leading zeros */ |
| |
| while ((*ThisChar) == '0') |
| { |
| ThisChar++; |
| } |
| |
| /* Convert character-by-character */ |
| |
| while (*ThisChar) |
| { |
| if (ACPI_IS_DIGIT (*ThisChar)) |
| { |
| /* Convert ASCII 0-9 to Decimal value */ |
| |
| ThisDigit = ((UINT8) *ThisChar) - '0'; |
| } |
| else /* Letter */ |
| { |
| ThisDigit = (UINT32) ACPI_TOUPPER (*ThisChar); |
| if (!ACPI_IS_XDIGIT ((char) ThisDigit)) |
| { |
| /* Not A-F */ |
| |
| return (AE_BAD_CHARACTER); |
| } |
| |
| /* Convert ASCII Hex char (A-F) to value */ |
| |
| ThisDigit = (ThisDigit - 'A') + 10; |
| } |
| |
| /* Insert the 4-bit hex digit */ |
| |
| ReturnValue <<= 4; |
| ReturnValue += ThisDigit; |
| |
| ThisChar++; |
| DigitCount++; |
| if (DigitCount > 16) |
| { |
| /* Value is too large (> 64 bits/8 bytes/16 hex digits) */ |
| |
| return (AE_LIMIT); |
| } |
| } |
| |
| *ReturnInteger = ReturnValue; |
| return (AE_OK); |
| } |
| |
| |
| /****************************************************************************** |
| * |
| * FUNCTION: DtGetFileSize |
| * |
| * PARAMETERS: Handle - Open file handler |
| * |
| * RETURN: Current file size |
| * |
| * DESCRIPTION: Get the current size of a file. Seek to the EOF and get the |
| * offset. Seek back to the original location. |
| * |
| *****************************************************************************/ |
| |
| UINT32 |
| DtGetFileSize ( |
| FILE *Handle) |
| { |
| int CurrentOffset; |
| int LastOffset; |
| |
| |
| CurrentOffset = ftell (Handle); |
| fseek (Handle, 0, SEEK_END); |
| LastOffset = ftell (Handle); |
| fseek (Handle, CurrentOffset, SEEK_SET); |
| |
| return ((UINT32) LastOffset); |
| } |
| |
| |
| /****************************************************************************** |
| * |
| * FUNCTION: DtGetFieldValue |
| * |
| * PARAMETERS: Field - Current field list pointer |
| * Name - Field name |
| * |
| * RETURN: Field value |
| * |
| * DESCRIPTION: Get field value |
| * |
| *****************************************************************************/ |
| |
| char * |
| DtGetFieldValue ( |
| DT_FIELD *Field, |
| char *Name) |
| { |
| |
| /* Search the field list for the name */ |
| |
| while (Field) |
| { |
| if (!ACPI_STRCMP (Name, Field->Name)) |
| { |
| return (Field->Value); |
| } |
| |
| Field = Field->Next; |
| } |
| |
| return (NULL); |
| } |
| |
| |
| /****************************************************************************** |
| * |
| * FUNCTION: DtGetFieldType |
| * |
| * PARAMETERS: Info - Data table info |
| * |
| * RETURN: Field type |
| * |
| * DESCRIPTION: Get field type |
| * |
| *****************************************************************************/ |
| |
| UINT8 |
| DtGetFieldType ( |
| ACPI_DMTABLE_INFO *Info) |
| { |
| UINT8 Type; |
| |
| |
| /* DT_FLAG means that this is the start of a block of flag bits */ |
| /* TBD - we can make these a separate opcode later */ |
| |
| if (Info->Flags & DT_FLAG) |
| { |
| return (DT_FIELD_TYPE_FLAGS_INTEGER); |
| } |
| |
| /* Type is based upon the opcode for this field in the info table */ |
| |
| switch (Info->Opcode) |
| { |
| case ACPI_DMT_FLAG0: |
| case ACPI_DMT_FLAG1: |
| case ACPI_DMT_FLAG2: |
| case ACPI_DMT_FLAG3: |
| case ACPI_DMT_FLAG4: |
| case ACPI_DMT_FLAG5: |
| case ACPI_DMT_FLAG6: |
| case ACPI_DMT_FLAG7: |
| case ACPI_DMT_FLAGS0: |
| case ACPI_DMT_FLAGS2: |
| Type = DT_FIELD_TYPE_FLAG; |
| break; |
| |
| case ACPI_DMT_NAME4: |
| case ACPI_DMT_SIG: |
| case ACPI_DMT_NAME6: |
| case ACPI_DMT_NAME8: |
| case ACPI_DMT_STRING: |
| Type = DT_FIELD_TYPE_STRING; |
| break; |
| |
| case ACPI_DMT_BUFFER: |
| case ACPI_DMT_BUF16: |
| Type = DT_FIELD_TYPE_BUFFER; |
| break; |
| |
| case ACPI_DMT_PCI_PATH: |
| Type = DT_FIELD_TYPE_PCI_PATH; |
| break; |
| |
| case ACPI_DMT_GAS: |
| case ACPI_DMT_HESTNTFY: |
| Type = DT_FIELD_TYPE_INLINE_SUBTABLE; |
| break; |
| |
| default: |
| Type = DT_FIELD_TYPE_INTEGER; |
| break; |
| } |
| |
| return (Type); |
| } |
| |
| |
| /****************************************************************************** |
| * |
| * FUNCTION: DtGetBufferLength |
| * |
| * PARAMETERS: Buffer - List of integers, |
| * for example "10 3A 4F 2E" |
| * |
| * RETURN: Count of integer |
| * |
| * DESCRIPTION: Get length of bytes needed to store the integers |
| * |
| *****************************************************************************/ |
| |
| UINT32 |
| DtGetBufferLength ( |
| char *Buffer) |
| { |
| UINT32 ByteLength = 0; |
| |
| |
| while (*Buffer) |
| { |
| if (*Buffer == ' ') |
| { |
| ByteLength++; |
| |
| while (*Buffer == ' ') |
| { |
| Buffer++; |
| } |
| } |
| |
| Buffer++; |
| } |
| |
| return (++ByteLength); |
| } |
| |
| |
| /****************************************************************************** |
| * |
| * FUNCTION: DtGetFieldLength |
| * |
| * PARAMETERS: Field - Current field list pointer |
| * Info - Data table info |
| * |
| * RETURN: Field length |
| * |
| * DESCRIPTION: Get length of bytes needed to compile the field |
| * |
| *****************************************************************************/ |
| |
| UINT32 |
| DtGetFieldLength ( |
| DT_FIELD *Field, |
| ACPI_DMTABLE_INFO *Info) |
| { |
| UINT32 ByteLength = 0; |
| char *Value; |
| |
| |
| /* Length is based upon the opcode for this field in the info table */ |
| |
| switch (Info->Opcode) |
| { |
| case ACPI_DMT_FLAG0: |
| case ACPI_DMT_FLAG1: |
| case ACPI_DMT_FLAG2: |
| case ACPI_DMT_FLAG3: |
| case ACPI_DMT_FLAG4: |
| case ACPI_DMT_FLAG5: |
| case ACPI_DMT_FLAG6: |
| case ACPI_DMT_FLAG7: |
| case ACPI_DMT_FLAGS0: |
| case ACPI_DMT_FLAGS2: |
| ByteLength = 0; |
| break; |
| |
| case ACPI_DMT_UINT8: |
| case ACPI_DMT_CHKSUM: |
| case ACPI_DMT_SPACEID: |
| case ACPI_DMT_MADT: |
| case ACPI_DMT_SRAT: |
| case ACPI_DMT_ASF: |
| case ACPI_DMT_HESTNTYP: |
| case ACPI_DMT_FADTPM: |
| case ACPI_DMT_IVRS: |
| ByteLength = 1; |
| break; |
| |
| case ACPI_DMT_UINT16: |
| case ACPI_DMT_DMAR: |
| case ACPI_DMT_HEST: |
| case ACPI_DMT_PCI_PATH: |
| ByteLength = 2; |
| break; |
| |
| case ACPI_DMT_UINT24: |
| ByteLength = 3; |
| break; |
| |
| case ACPI_DMT_UINT32: |
| case ACPI_DMT_NAME4: |
| case ACPI_DMT_SIG: |
| ByteLength = 4; |
| break; |
| |
| case ACPI_DMT_NAME6: |
| ByteLength = 6; |
| break; |
| |
| case ACPI_DMT_UINT56: |
| ByteLength = 7; |
| break; |
| |
| case ACPI_DMT_UINT64: |
| case ACPI_DMT_NAME8: |
| ByteLength = 8; |
| break; |
| |
| case ACPI_DMT_STRING: |
| Value = DtGetFieldValue (Field, Info->Name); |
| |
| /* TBD: error if Value is NULL? (as below?) */ |
| |
| ByteLength = ACPI_STRLEN (Value) + 1; |
| break; |
| |
| case ACPI_DMT_GAS: |
| ByteLength = sizeof (ACPI_GENERIC_ADDRESS); |
| break; |
| |
| case ACPI_DMT_HESTNTFY: |
| ByteLength = sizeof (ACPI_HEST_NOTIFY); |
| break; |
| |
| case ACPI_DMT_BUFFER: |
| Value = DtGetFieldValue (Field, Info->Name); |
| if (Value) |
| { |
| ByteLength = DtGetBufferLength (Value); |
| } |
| else |
| { /* At this point, this is a fatal error */ |
| |
| sprintf (MsgBuffer, "Expected \"%s\"", Info->Name); |
| DtFatal (ASL_MSG_COMPILER_INTERNAL, NULL, MsgBuffer); |
| } |
| break; |
| |
| case ACPI_DMT_BUF16: |
| ByteLength = 16; |
| break; |
| |
| default: |
| DtFatal (ASL_MSG_COMPILER_INTERNAL, Field, "Invalid table opcode"); |
| break; |
| } |
| |
| return (ByteLength); |
| } |
| |
| |
| /****************************************************************************** |
| * |
| * FUNCTION: DtSum |
| * |
| * PARAMETERS: DT_WALK_CALLBACK: |
| * Subtable - Subtable |
| * Context - Unused |
| * ReturnValue - Store the checksum of subtable |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Get the checksum of subtable |
| * |
| *****************************************************************************/ |
| |
| static void |
| DtSum ( |
| DT_SUBTABLE *Subtable, |
| void *Context, |
| void *ReturnValue) |
| { |
| UINT8 Checksum; |
| UINT8 *Sum = ReturnValue; |
| |
| |
| Checksum = AcpiTbChecksum (Subtable->Buffer, Subtable->Length); |
| *Sum = (UINT8) (*Sum + Checksum); |
| } |
| |
| |
| /****************************************************************************** |
| * |
| * FUNCTION: DtSetTableChecksum |
| * |
| * PARAMETERS: ChecksumPointer - Where to return the checksum |
| * |
| * RETURN: None |
| * |
| * DESCRIPTION: Set checksum of the whole data table into the checksum field |
| * |
| *****************************************************************************/ |
| |
| void |
| DtSetTableChecksum ( |
| UINT8 *ChecksumPointer) |
| { |
| UINT8 Checksum = 0; |
| UINT8 OldSum; |
| |
| |
| DtWalkTableTree (Gbl_RootTable, DtSum, NULL, &Checksum); |
| |
| OldSum = *ChecksumPointer; |
| Checksum = (UINT8) (Checksum - OldSum); |
| |
| /* Compute the final checksum */ |
| |
| Checksum = (UINT8) (0 - Checksum); |
| *ChecksumPointer = Checksum; |
| } |
| |
| |
| /****************************************************************************** |
| * |
| * FUNCTION: DtSetTableLength |
| * |
| * PARAMETERS: None |
| * |
| * RETURN: None |
| * |
| * DESCRIPTION: Walk the subtables and set all the length fields |
| * |
| *****************************************************************************/ |
| |
| void |
| DtSetTableLength ( |
| void) |
| { |
| DT_SUBTABLE *ParentTable; |
| DT_SUBTABLE *ChildTable; |
| |
| |
| ParentTable = Gbl_RootTable; |
| ChildTable = NULL; |
| |
| if (!ParentTable) |
| { |
| return; |
| } |
| |
| DtSetSubtableLength (ParentTable); |
| |
| while (1) |
| { |
| ChildTable = DtGetNextSubtable (ParentTable, ChildTable); |
| if (ChildTable) |
| { |
| if (ChildTable->Child) |
| { |
| ParentTable = ChildTable; |
| ChildTable = NULL; |
| } |
| else |
| { |
| ParentTable->TotalLength += ChildTable->TotalLength; |
| if (ParentTable->LengthField) |
| { |
| DtSetSubtableLength (ParentTable); |
| } |
| } |
| } |
| else |
| { |
| ChildTable = ParentTable; |
| |
| if (ChildTable == Gbl_RootTable) |
| { |
| break; |
| } |
| |
| ParentTable = DtGetParentSubtable (ParentTable); |
| |
| ParentTable->TotalLength += ChildTable->TotalLength; |
| if (ParentTable->LengthField) |
| { |
| DtSetSubtableLength (ParentTable); |
| } |
| } |
| } |
| } |
| |
| |
| /****************************************************************************** |
| * |
| * FUNCTION: DtWalkTableTree |
| * |
| * PARAMETERS: StartTable - Subtable in the tree where walking begins |
| * UserFunction - Called during the walk |
| * Context - Passed to user function |
| * ReturnValue - The return value of UserFunction |
| * |
| * RETURN: None |
| * |
| * DESCRIPTION: Performs a depth-first walk of the subtable tree |
| * |
| *****************************************************************************/ |
| |
| void |
| DtWalkTableTree ( |
| DT_SUBTABLE *StartTable, |
| DT_WALK_CALLBACK UserFunction, |
| void *Context, |
| void *ReturnValue) |
| { |
| DT_SUBTABLE *ParentTable; |
| DT_SUBTABLE *ChildTable; |
| |
| |
| ParentTable = StartTable; |
| ChildTable = NULL; |
| |
| if (!ParentTable) |
| { |
| return; |
| } |
| |
| UserFunction (ParentTable, Context, ReturnValue); |
| |
| while (1) |
| { |
| ChildTable = DtGetNextSubtable (ParentTable, ChildTable); |
| if (ChildTable) |
| { |
| UserFunction (ChildTable, Context, ReturnValue); |
| |
| if (ChildTable->Child) |
| { |
| ParentTable = ChildTable; |
| ChildTable = NULL; |
| } |
| } |
| else |
| { |
| ChildTable = ParentTable; |
| if (ChildTable == Gbl_RootTable) |
| { |
| break; |
| } |
| |
| ParentTable = DtGetParentSubtable (ParentTable); |
| |
| if (ChildTable->Peer == StartTable) |
| { |
| break; |
| } |
| } |
| } |
| } |
| |
| |
| /****************************************************************************** |
| * |
| * FUNCTION: DtFreeFieldList |
| * |
| * PARAMETERS: None |
| * |
| * RETURN: None |
| * |
| * DESCRIPTION: Free the field list |
| * |
| *****************************************************************************/ |
| |
| void |
| DtFreeFieldList ( |
| void) |
| { |
| DT_FIELD *Field = Gbl_FieldList; |
| DT_FIELD *NextField; |
| |
| |
| /* Walk and free entire field list */ |
| |
| while (Field) |
| { |
| NextField = Field->Next; /* Save link */ |
| |
| if (!(Field->Flags & DT_FIELD_NOT_ALLOCATED)) |
| { |
| ACPI_FREE (Field->Name); |
| ACPI_FREE (Field->Value); |
| } |
| |
| ACPI_FREE (Field); |
| Field = NextField; |
| } |
| } |