aeinitfile.c revision 1.1.1.1.2.2
1 1.1.1.1.2.2 skrll /****************************************************************************** 2 1.1.1.1.2.2 skrll * 3 1.1.1.1.2.2 skrll * Module Name: aeinitfile - Support for optional initialization file 4 1.1.1.1.2.2 skrll * 5 1.1.1.1.2.2 skrll *****************************************************************************/ 6 1.1.1.1.2.2 skrll 7 1.1.1.1.2.2 skrll /* 8 1.1.1.1.2.2 skrll * Copyright (C) 2000 - 2015, Intel Corp. 9 1.1.1.1.2.2 skrll * All rights reserved. 10 1.1.1.1.2.2 skrll * 11 1.1.1.1.2.2 skrll * Redistribution and use in source and binary forms, with or without 12 1.1.1.1.2.2 skrll * modification, are permitted provided that the following conditions 13 1.1.1.1.2.2 skrll * are met: 14 1.1.1.1.2.2 skrll * 1. Redistributions of source code must retain the above copyright 15 1.1.1.1.2.2 skrll * notice, this list of conditions, and the following disclaimer, 16 1.1.1.1.2.2 skrll * without modification. 17 1.1.1.1.2.2 skrll * 2. Redistributions in binary form must reproduce at minimum a disclaimer 18 1.1.1.1.2.2 skrll * substantially similar to the "NO WARRANTY" disclaimer below 19 1.1.1.1.2.2 skrll * ("Disclaimer") and any redistribution must be conditioned upon 20 1.1.1.1.2.2 skrll * including a substantially similar Disclaimer requirement for further 21 1.1.1.1.2.2 skrll * binary redistribution. 22 1.1.1.1.2.2 skrll * 3. Neither the names of the above-listed copyright holders nor the names 23 1.1.1.1.2.2 skrll * of any contributors may be used to endorse or promote products derived 24 1.1.1.1.2.2 skrll * from this software without specific prior written permission. 25 1.1.1.1.2.2 skrll * 26 1.1.1.1.2.2 skrll * Alternatively, this software may be distributed under the terms of the 27 1.1.1.1.2.2 skrll * GNU General Public License ("GPL") version 2 as published by the Free 28 1.1.1.1.2.2 skrll * Software Foundation. 29 1.1.1.1.2.2 skrll * 30 1.1.1.1.2.2 skrll * NO WARRANTY 31 1.1.1.1.2.2 skrll * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 32 1.1.1.1.2.2 skrll * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 33 1.1.1.1.2.2 skrll * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 34 1.1.1.1.2.2 skrll * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 35 1.1.1.1.2.2 skrll * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 36 1.1.1.1.2.2 skrll * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 37 1.1.1.1.2.2 skrll * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 38 1.1.1.1.2.2 skrll * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 39 1.1.1.1.2.2 skrll * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 40 1.1.1.1.2.2 skrll * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 41 1.1.1.1.2.2 skrll * POSSIBILITY OF SUCH DAMAGES. 42 1.1.1.1.2.2 skrll */ 43 1.1.1.1.2.2 skrll 44 1.1.1.1.2.2 skrll #include "aecommon.h" 45 1.1.1.1.2.2 skrll #include "acdispat.h" 46 1.1.1.1.2.2 skrll 47 1.1.1.1.2.2 skrll #define _COMPONENT ACPI_TOOLS 48 1.1.1.1.2.2 skrll ACPI_MODULE_NAME ("aeinitfile") 49 1.1.1.1.2.2 skrll 50 1.1.1.1.2.2 skrll 51 1.1.1.1.2.2 skrll /* Local prototypes */ 52 1.1.1.1.2.2 skrll 53 1.1.1.1.2.2 skrll static void 54 1.1.1.1.2.2 skrll AeDoOneOverride ( 55 1.1.1.1.2.2 skrll char *Pathname, 56 1.1.1.1.2.2 skrll char *ValueString, 57 1.1.1.1.2.2 skrll ACPI_OPERAND_OBJECT *ObjDesc, 58 1.1.1.1.2.2 skrll ACPI_WALK_STATE *WalkState); 59 1.1.1.1.2.2 skrll 60 1.1.1.1.2.2 skrll 61 1.1.1.1.2.2 skrll #define AE_FILE_BUFFER_SIZE 512 62 1.1.1.1.2.2 skrll 63 1.1.1.1.2.2 skrll static char NameBuffer[AE_FILE_BUFFER_SIZE]; 64 1.1.1.1.2.2 skrll static char ValueBuffer[AE_FILE_BUFFER_SIZE]; 65 1.1.1.1.2.2 skrll static FILE *InitFile; 66 1.1.1.1.2.2 skrll 67 1.1.1.1.2.2 skrll 68 1.1.1.1.2.2 skrll /****************************************************************************** 69 1.1.1.1.2.2 skrll * 70 1.1.1.1.2.2 skrll * FUNCTION: AeOpenInitializationFile 71 1.1.1.1.2.2 skrll * 72 1.1.1.1.2.2 skrll * PARAMETERS: Filename - Path to the init file 73 1.1.1.1.2.2 skrll * 74 1.1.1.1.2.2 skrll * RETURN: Status 75 1.1.1.1.2.2 skrll * 76 1.1.1.1.2.2 skrll * DESCRIPTION: Open the initialization file for the -fi option 77 1.1.1.1.2.2 skrll * 78 1.1.1.1.2.2 skrll *****************************************************************************/ 79 1.1.1.1.2.2 skrll 80 1.1.1.1.2.2 skrll int 81 1.1.1.1.2.2 skrll AeOpenInitializationFile ( 82 1.1.1.1.2.2 skrll char *Filename) 83 1.1.1.1.2.2 skrll { 84 1.1.1.1.2.2 skrll 85 1.1.1.1.2.2 skrll InitFile = fopen (Filename, "r"); 86 1.1.1.1.2.2 skrll if (!InitFile) 87 1.1.1.1.2.2 skrll { 88 1.1.1.1.2.2 skrll perror ("Could not open initialization file"); 89 1.1.1.1.2.2 skrll return (-1); 90 1.1.1.1.2.2 skrll } 91 1.1.1.1.2.2 skrll 92 1.1.1.1.2.2 skrll AcpiOsPrintf ("Opened initialization file [%s]\n", Filename); 93 1.1.1.1.2.2 skrll return (0); 94 1.1.1.1.2.2 skrll } 95 1.1.1.1.2.2 skrll 96 1.1.1.1.2.2 skrll 97 1.1.1.1.2.2 skrll /****************************************************************************** 98 1.1.1.1.2.2 skrll * 99 1.1.1.1.2.2 skrll * FUNCTION: AeDoObjectOverrides 100 1.1.1.1.2.2 skrll * 101 1.1.1.1.2.2 skrll * PARAMETERS: None 102 1.1.1.1.2.2 skrll * 103 1.1.1.1.2.2 skrll * RETURN: None 104 1.1.1.1.2.2 skrll * 105 1.1.1.1.2.2 skrll * DESCRIPTION: Read the initialization file and perform all overrides 106 1.1.1.1.2.2 skrll * 107 1.1.1.1.2.2 skrll * NOTE: The format of the file is multiple lines, each of format: 108 1.1.1.1.2.2 skrll * <ACPI-pathname> <Integer Value> 109 1.1.1.1.2.2 skrll * 110 1.1.1.1.2.2 skrll *****************************************************************************/ 111 1.1.1.1.2.2 skrll 112 1.1.1.1.2.2 skrll void 113 1.1.1.1.2.2 skrll AeDoObjectOverrides ( 114 1.1.1.1.2.2 skrll void) 115 1.1.1.1.2.2 skrll { 116 1.1.1.1.2.2 skrll ACPI_OPERAND_OBJECT *ObjDesc; 117 1.1.1.1.2.2 skrll ACPI_WALK_STATE *WalkState; 118 1.1.1.1.2.2 skrll int i; 119 1.1.1.1.2.2 skrll 120 1.1.1.1.2.2 skrll 121 1.1.1.1.2.2 skrll if (!InitFile) 122 1.1.1.1.2.2 skrll { 123 1.1.1.1.2.2 skrll return; 124 1.1.1.1.2.2 skrll } 125 1.1.1.1.2.2 skrll 126 1.1.1.1.2.2 skrll /* Create needed objects to be reused for each init entry */ 127 1.1.1.1.2.2 skrll 128 1.1.1.1.2.2 skrll ObjDesc = AcpiUtCreateIntegerObject (0); 129 1.1.1.1.2.2 skrll WalkState = AcpiDsCreateWalkState (0, NULL, NULL, NULL); 130 1.1.1.1.2.2 skrll 131 1.1.1.1.2.2 skrll NameBuffer[0] = '\\'; 132 1.1.1.1.2.2 skrll 133 1.1.1.1.2.2 skrll /* Read the entire file line-by-line */ 134 1.1.1.1.2.2 skrll 135 1.1.1.1.2.2 skrll while (fscanf (InitFile, "%s %s\n", 136 1.1.1.1.2.2 skrll ACPI_CAST_PTR (char, &NameBuffer[1]), 137 1.1.1.1.2.2 skrll ACPI_CAST_PTR (char, &ValueBuffer)) == 2) 138 1.1.1.1.2.2 skrll { 139 1.1.1.1.2.2 skrll /* Add a root prefix if not present in the string */ 140 1.1.1.1.2.2 skrll 141 1.1.1.1.2.2 skrll i = 0; 142 1.1.1.1.2.2 skrll if (NameBuffer[1] == '\\') 143 1.1.1.1.2.2 skrll { 144 1.1.1.1.2.2 skrll i = 1; 145 1.1.1.1.2.2 skrll } 146 1.1.1.1.2.2 skrll 147 1.1.1.1.2.2 skrll AeDoOneOverride (&NameBuffer[i], ValueBuffer, ObjDesc, WalkState); 148 1.1.1.1.2.2 skrll } 149 1.1.1.1.2.2 skrll 150 1.1.1.1.2.2 skrll /* Cleanup */ 151 1.1.1.1.2.2 skrll 152 1.1.1.1.2.2 skrll fclose (InitFile); 153 1.1.1.1.2.2 skrll AcpiDsDeleteWalkState (WalkState); 154 1.1.1.1.2.2 skrll AcpiUtRemoveReference (ObjDesc); 155 1.1.1.1.2.2 skrll } 156 1.1.1.1.2.2 skrll 157 1.1.1.1.2.2 skrll 158 1.1.1.1.2.2 skrll /****************************************************************************** 159 1.1.1.1.2.2 skrll * 160 1.1.1.1.2.2 skrll * FUNCTION: AeDoOneOverride 161 1.1.1.1.2.2 skrll * 162 1.1.1.1.2.2 skrll * PARAMETERS: Pathname - AML namepath 163 1.1.1.1.2.2 skrll * ValueString - New integer value to be stored 164 1.1.1.1.2.2 skrll * ObjDesc - Descriptor with integer override value 165 1.1.1.1.2.2 skrll * WalkState - Used for the Store operation 166 1.1.1.1.2.2 skrll * 167 1.1.1.1.2.2 skrll * RETURN: None 168 1.1.1.1.2.2 skrll * 169 1.1.1.1.2.2 skrll * DESCRIPTION: Perform an overrided for a single namespace object 170 1.1.1.1.2.2 skrll * 171 1.1.1.1.2.2 skrll *****************************************************************************/ 172 1.1.1.1.2.2 skrll 173 1.1.1.1.2.2 skrll static void 174 1.1.1.1.2.2 skrll AeDoOneOverride ( 175 1.1.1.1.2.2 skrll char *Pathname, 176 1.1.1.1.2.2 skrll char *ValueString, 177 1.1.1.1.2.2 skrll ACPI_OPERAND_OBJECT *ObjDesc, 178 1.1.1.1.2.2 skrll ACPI_WALK_STATE *WalkState) 179 1.1.1.1.2.2 skrll { 180 1.1.1.1.2.2 skrll ACPI_HANDLE Handle; 181 1.1.1.1.2.2 skrll ACPI_STATUS Status; 182 1.1.1.1.2.2 skrll UINT64 Value; 183 1.1.1.1.2.2 skrll 184 1.1.1.1.2.2 skrll 185 1.1.1.1.2.2 skrll AcpiOsPrintf ("Value Override: %s, ", Pathname); 186 1.1.1.1.2.2 skrll 187 1.1.1.1.2.2 skrll /* 188 1.1.1.1.2.2 skrll * Get the namespace node associated with the override 189 1.1.1.1.2.2 skrll * pathname from the init file. 190 1.1.1.1.2.2 skrll */ 191 1.1.1.1.2.2 skrll Status = AcpiGetHandle (NULL, Pathname, &Handle); 192 1.1.1.1.2.2 skrll if (ACPI_FAILURE (Status)) 193 1.1.1.1.2.2 skrll { 194 1.1.1.1.2.2 skrll AcpiOsPrintf ("%s\n", AcpiFormatException (Status)); 195 1.1.1.1.2.2 skrll return; 196 1.1.1.1.2.2 skrll } 197 1.1.1.1.2.2 skrll 198 1.1.1.1.2.2 skrll /* Extract the 64-bit integer */ 199 1.1.1.1.2.2 skrll 200 1.1.1.1.2.2 skrll Status = AcpiUtStrtoul64 (ValueString, 0, &Value); 201 1.1.1.1.2.2 skrll if (ACPI_FAILURE (Status)) 202 1.1.1.1.2.2 skrll { 203 1.1.1.1.2.2 skrll AcpiOsPrintf ("%s\n", AcpiFormatException (Status)); 204 1.1.1.1.2.2 skrll return; 205 1.1.1.1.2.2 skrll } 206 1.1.1.1.2.2 skrll 207 1.1.1.1.2.2 skrll ObjDesc->Integer.Value = Value; 208 1.1.1.1.2.2 skrll 209 1.1.1.1.2.2 skrll /* 210 1.1.1.1.2.2 skrll * At the point this function is called, the namespace is fully 211 1.1.1.1.2.2 skrll * built and initialized. We can simply store the new object to 212 1.1.1.1.2.2 skrll * the target node. 213 1.1.1.1.2.2 skrll */ 214 1.1.1.1.2.2 skrll AcpiExEnterInterpreter (); 215 1.1.1.1.2.2 skrll Status = AcpiExStore (ObjDesc, Handle, WalkState); 216 1.1.1.1.2.2 skrll AcpiExExitInterpreter (); 217 1.1.1.1.2.2 skrll 218 1.1.1.1.2.2 skrll if (ACPI_FAILURE (Status)) 219 1.1.1.1.2.2 skrll { 220 1.1.1.1.2.2 skrll AcpiOsPrintf ("%s\n", AcpiFormatException (Status)); 221 1.1.1.1.2.2 skrll return; 222 1.1.1.1.2.2 skrll } 223 1.1.1.1.2.2 skrll 224 1.1.1.1.2.2 skrll AcpiOsPrintf ("New value: 0x%8.8X%8.8X\n", 225 1.1.1.1.2.2 skrll ACPI_FORMAT_UINT64 (Value)); 226 1.1.1.1.2.2 skrll } 227
Indexes created Wed Oct 15 16:09:53 GMT 2025