| /****************************************************************************** |
| * |
| * Module Name: aeinitfile - Support for optional initialization file |
| * |
| *****************************************************************************/ |
| |
| /* |
| * Copyright (C) 2000 - 2023, 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. |
| * |
| * Alternatively, this software may be distributed under the terms of the |
| * GNU General Public License ("GPL") version 2 as published by the Free |
| * Software Foundation. |
| * |
| * 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 MERCHANTABILITY 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 "aecommon.h" |
| #include "acdispat.h" |
| #include "acnamesp.h" |
| |
| |
| #define _COMPONENT ACPI_TOOLS |
| ACPI_MODULE_NAME ("aeinitfile") |
| |
| |
| #define AE_FILE_BUFFER_SIZE 512 |
| |
| static char LineBuffer[AE_FILE_BUFFER_SIZE]; |
| static char NameBuffer[AE_FILE_BUFFER_SIZE]; |
| static FILE *InitFile; |
| |
| |
| /****************************************************************************** |
| * |
| * FUNCTION: AeOpenInitializationFile |
| * |
| * PARAMETERS: Filename - Path to the init file |
| * |
| * RETURN: Status |
| * |
| * DESCRIPTION: Open the initialization file for the -fi option |
| * |
| *****************************************************************************/ |
| |
| int |
| AeOpenInitializationFile ( |
| char *Filename) |
| { |
| |
| InitFile = fopen (Filename, "r"); |
| if (!InitFile) |
| { |
| fprintf (stderr, |
| "Could not open initialization file: %s\n", Filename); |
| return (-1); |
| } |
| |
| AcpiOsPrintf ("Opened initialization file [%s]\n", Filename); |
| return (0); |
| } |
| |
| |
| /****************************************************************************** |
| * |
| * FUNCTION: AeProcessInitFile |
| * |
| * PARAMETERS: None |
| * |
| * RETURN: None |
| * |
| * DESCRIPTION: Read the initialization file and perform all namespace |
| * initializations. AcpiGbl_InitEntries will be used for all |
| * object initialization. |
| * |
| * NOTE: The format of the file is multiple lines, each of format: |
| * <ACPI-pathname> <New Value> |
| * |
| *****************************************************************************/ |
| |
| ACPI_STATUS |
| AeProcessInitFile ( |
| void) |
| { |
| ACPI_WALK_STATE *WalkState; |
| UINT64 idx; |
| ACPI_STATUS Status = AE_OK; |
| char *Token; |
| char *ValueBuffer; |
| char *TempNameBuffer; |
| ACPI_OBJECT_TYPE Type; |
| ACPI_OBJECT TempObject; |
| |
| |
| if (!InitFile) |
| { |
| return (AE_OK); |
| } |
| |
| /* Create needed objects to be reused for each init entry */ |
| |
| WalkState = AcpiDsCreateWalkState (0, NULL, NULL, NULL); |
| NameBuffer[0] = '\\'; |
| NameBuffer[1] = 0; |
| |
| while (fgets (LineBuffer, AE_FILE_BUFFER_SIZE, InitFile) != NULL) |
| { |
| ++AcpiGbl_InitFileLineCount; |
| } |
| rewind (InitFile); |
| |
| /* |
| * Allocate and populate the Gbl_InitEntries array |
| */ |
| AcpiGbl_InitEntries = |
| AcpiOsAllocateZeroed (sizeof (INIT_FILE_ENTRY) * AcpiGbl_InitFileLineCount); |
| for (idx = 0; fgets (LineBuffer, AE_FILE_BUFFER_SIZE, InitFile); ++idx) |
| { |
| TempNameBuffer = AcpiDbGetNextToken (LineBuffer, &Token, &Type); |
| if (!TempNameBuffer) |
| { |
| AcpiGbl_InitEntries[idx].Name = NULL; |
| continue; |
| } |
| |
| if (LineBuffer[0] == '\\') |
| { |
| strcpy (NameBuffer, TempNameBuffer); |
| } |
| else |
| { |
| /* Add a root prefix if not present in the string */ |
| |
| strcpy (NameBuffer + 1, TempNameBuffer); |
| } |
| |
| AcpiNsNormalizePathname (NameBuffer); |
| AcpiGbl_InitEntries[idx].Name = |
| AcpiOsAllocateZeroed (strnlen (NameBuffer, AE_FILE_BUFFER_SIZE) + 1); |
| strcpy (AcpiGbl_InitEntries[idx].Name, NameBuffer); |
| |
| ValueBuffer = AcpiDbGetNextToken (Token, &Token, &Type); |
| if (!ValueBuffer) |
| { |
| AcpiGbl_InitEntries[idx].Value = NULL; |
| continue; |
| } |
| |
| AcpiGbl_InitEntries[idx].Value = |
| AcpiOsAllocateZeroed (strnlen (ValueBuffer, AE_FILE_BUFFER_SIZE) + 1); |
| strcpy (AcpiGbl_InitEntries[idx].Value, ValueBuffer); |
| |
| if (Type == ACPI_TYPE_FIELD_UNIT) |
| { |
| Status = AcpiDbConvertToObject (ACPI_TYPE_BUFFER, ValueBuffer, |
| &TempObject); |
| } |
| else |
| { |
| Status = AcpiDbConvertToObject (Type, ValueBuffer, &TempObject); |
| } |
| |
| if (ACPI_FAILURE (Status)) |
| { |
| AcpiOsPrintf ("%s[%s]: %s\n", NameBuffer, AcpiUtGetTypeName (Type), |
| AcpiFormatException (Status)); |
| goto CleanupAndExit; |
| } |
| |
| Status = AcpiUtCopyEobjectToIobject (&TempObject, |
| &AcpiGbl_InitEntries[idx].ObjDesc); |
| |
| /* Cleanup the external object created by DbConvertToObject above */ |
| |
| if (ACPI_SUCCESS (Status)) |
| { |
| if (Type == ACPI_TYPE_BUFFER || Type == ACPI_TYPE_FIELD_UNIT) |
| { |
| ACPI_FREE (TempObject.Buffer.Pointer); |
| } |
| else if (Type == ACPI_TYPE_PACKAGE) |
| { |
| AcpiDbDeleteObjects (1, &TempObject); |
| } |
| } |
| else |
| { |
| AcpiOsPrintf ("%s[%s]: %s\n", NameBuffer, AcpiUtGetTypeName (Type), |
| AcpiFormatException (Status)); |
| goto CleanupAndExit; |
| } |
| |
| /* |
| * Initialize the namespace node with the value found in the init file. |
| */ |
| AcpiOsPrintf ("Namespace object init from file: %16s, Value \"%s\", Type %s\n", |
| AcpiGbl_InitEntries[idx].Name, AcpiGbl_InitEntries[idx].Value, AcpiUtGetTypeName (Type)); |
| } |
| |
| /* Cleanup */ |
| |
| CleanupAndExit: |
| fclose (InitFile); |
| AcpiDsDeleteWalkState (WalkState); |
| return (Status); |
| } |
| |
| |
| /****************************************************************************** |
| * |
| * FUNCTION: AeLookupInitFileEntry |
| * |
| * PARAMETERS: Pathname - AML namepath in external format |
| * ObjDesc - Where the object is returned if it exists |
| * |
| * RETURN: Status. AE_OK if a match was found |
| * |
| * DESCRIPTION: Search the init file for a particular name and its value. |
| * |
| *****************************************************************************/ |
| |
| ACPI_STATUS |
| AeLookupInitFileEntry ( |
| char *Pathname, |
| ACPI_OPERAND_OBJECT **ObjDesc) |
| { |
| UINT32 i; |
| |
| ACPI_FUNCTION_TRACE (AeLookupInitFileEntry); |
| |
| ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "Lookup: %s\n", Pathname)); |
| |
| if (!AcpiGbl_InitEntries) |
| { |
| return (AE_NOT_FOUND); |
| } |
| |
| AcpiNsNormalizePathname (Pathname); |
| |
| for (i = 0; i < AcpiGbl_InitFileLineCount; ++i) |
| { |
| if (AcpiGbl_InitEntries[i].Name && |
| !strcmp (AcpiGbl_InitEntries[i].Name, Pathname)) |
| { |
| *ObjDesc = AcpiGbl_InitEntries[i].ObjDesc; |
| AcpiGbl_InitEntries[i].IsUsed = TRUE; |
| ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "Found match: %s, %p\n", Pathname, *ObjDesc)); |
| return_ACPI_STATUS (AE_OK); |
| } |
| } |
| |
| ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "No match found: %s\n", Pathname)); |
| return_ACPI_STATUS (AE_NOT_FOUND); |
| } |
| |
| |
| /****************************************************************************** |
| * |
| * FUNCTION: AeDisplayUnusedInitFileItems |
| * |
| * PARAMETERS: None |
| * |
| * RETURN: None |
| * |
| * DESCRIPTION: Display all init file items that have not been referenced |
| * (i.e., items that have not been found in the namespace). |
| * |
| *****************************************************************************/ |
| |
| void |
| AeDisplayUnusedInitFileItems ( |
| void) |
| { |
| UINT32 i; |
| |
| |
| if (!AcpiGbl_InitEntries) |
| { |
| return; |
| } |
| |
| for (i = 0; i < AcpiGbl_InitFileLineCount; ++i) |
| { |
| if (AcpiGbl_InitEntries[i].Name && |
| !AcpiGbl_InitEntries[i].IsUsed) |
| { |
| AcpiOsPrintf ("Init file entry not found in namespace " |
| "(or is a non-data type): %s\n", |
| AcpiGbl_InitEntries[i].Name); |
| } |
| } |
| } |
| |
| |
| /****************************************************************************** |
| * |
| * FUNCTION: AeDeleteInitFileList |
| * |
| * PARAMETERS: None |
| * |
| * RETURN: None |
| * |
| * DESCRIPTION: Delete the global namespace initialization file data |
| * |
| *****************************************************************************/ |
| |
| void |
| AeDeleteInitFileList ( |
| void) |
| { |
| UINT32 i; |
| |
| |
| if (!AcpiGbl_InitEntries) |
| { |
| return; |
| } |
| |
| for (i = 0; i < AcpiGbl_InitFileLineCount; ++i) |
| { |
| |
| if ((AcpiGbl_InitEntries[i].ObjDesc) && (AcpiGbl_InitEntries[i].Value)) |
| { |
| /* Remove one reference on the object (and all subobjects) */ |
| |
| AcpiUtRemoveReference (AcpiGbl_InitEntries[i].ObjDesc); |
| } |
| } |
| |
| AcpiOsFree (AcpiGbl_InitEntries); |
| } |
