aeinitfile.c revision 1.1.1.1.2.5
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 1.1.1.1.2.4 skrll * Copyright (C) 2000 - 2016, 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 1.1.1.1.2.3 skrll #define AE_FILE_BUFFER_SIZE 512 62 1.1.1.1.2.2 skrll 63 1.1.1.1.2.3 skrll static char LineBuffer[AE_FILE_BUFFER_SIZE]; 64 1.1.1.1.2.2 skrll static char NameBuffer[AE_FILE_BUFFER_SIZE]; 65 1.1.1.1.2.2 skrll static char ValueBuffer[AE_FILE_BUFFER_SIZE]; 66 1.1.1.1.2.2 skrll static FILE *InitFile; 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 * 71 1.1.1.1.2.2 skrll * FUNCTION: AeOpenInitializationFile 72 1.1.1.1.2.2 skrll * 73 1.1.1.1.2.2 skrll * PARAMETERS: Filename - Path to the init file 74 1.1.1.1.2.2 skrll * 75 1.1.1.1.2.2 skrll * RETURN: Status 76 1.1.1.1.2.2 skrll * 77 1.1.1.1.2.2 skrll * DESCRIPTION: Open the initialization file for the -fi option 78 1.1.1.1.2.2 skrll * 79 1.1.1.1.2.2 skrll *****************************************************************************/ 80 1.1.1.1.2.2 skrll 81 1.1.1.1.2.2 skrll int 82 1.1.1.1.2.2 skrll AeOpenInitializationFile ( 83 1.1.1.1.2.2 skrll char *Filename) 84 1.1.1.1.2.2 skrll { 85 1.1.1.1.2.2 skrll 86 1.1.1.1.2.2 skrll InitFile = fopen (Filename, "r"); 87 1.1.1.1.2.2 skrll if (!InitFile) 88 1.1.1.1.2.2 skrll { 89 1.1.1.1.2.2 skrll perror ("Could not open initialization file"); 90 1.1.1.1.2.2 skrll return (-1); 91 1.1.1.1.2.2 skrll } 92 1.1.1.1.2.2 skrll 93 1.1.1.1.2.2 skrll AcpiOsPrintf ("Opened initialization file [%s]\n", Filename); 94 1.1.1.1.2.2 skrll return (0); 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 * 100 1.1.1.1.2.2 skrll * FUNCTION: AeDoObjectOverrides 101 1.1.1.1.2.2 skrll * 102 1.1.1.1.2.2 skrll * PARAMETERS: None 103 1.1.1.1.2.2 skrll * 104 1.1.1.1.2.2 skrll * RETURN: None 105 1.1.1.1.2.2 skrll * 106 1.1.1.1.2.2 skrll * DESCRIPTION: Read the initialization file and perform all overrides 107 1.1.1.1.2.2 skrll * 108 1.1.1.1.2.2 skrll * NOTE: The format of the file is multiple lines, each of format: 109 1.1.1.1.2.2 skrll * <ACPI-pathname> <Integer Value> 110 1.1.1.1.2.2 skrll * 111 1.1.1.1.2.2 skrll *****************************************************************************/ 112 1.1.1.1.2.2 skrll 113 1.1.1.1.2.2 skrll void 114 1.1.1.1.2.2 skrll AeDoObjectOverrides ( 115 1.1.1.1.2.2 skrll void) 116 1.1.1.1.2.2 skrll { 117 1.1.1.1.2.2 skrll ACPI_OPERAND_OBJECT *ObjDesc; 118 1.1.1.1.2.2 skrll ACPI_WALK_STATE *WalkState; 119 1.1.1.1.2.2 skrll int i; 120 1.1.1.1.2.2 skrll 121 1.1.1.1.2.2 skrll 122 1.1.1.1.2.2 skrll if (!InitFile) 123 1.1.1.1.2.2 skrll { 124 1.1.1.1.2.2 skrll return; 125 1.1.1.1.2.2 skrll } 126 1.1.1.1.2.2 skrll 127 1.1.1.1.2.2 skrll /* Create needed objects to be reused for each init entry */ 128 1.1.1.1.2.2 skrll 129 1.1.1.1.2.2 skrll ObjDesc = AcpiUtCreateIntegerObject (0); 130 1.1.1.1.2.2 skrll WalkState = AcpiDsCreateWalkState (0, NULL, NULL, NULL); 131 1.1.1.1.2.2 skrll NameBuffer[0] = '\\'; 132 1.1.1.1.2.2 skrll 133 1.1.1.1.2.3 skrll /* Read the entire file line-by-line */ 134 1.1.1.1.2.2 skrll 135 1.1.1.1.2.3 skrll while (fgets (LineBuffer, AE_FILE_BUFFER_SIZE, InitFile) != NULL) 136 1.1.1.1.2.2 skrll { 137 1.1.1.1.2.3 skrll if (sscanf (LineBuffer, "%s %s\n", 138 1.1.1.1.2.3 skrll &NameBuffer[1], ValueBuffer) != 2) 139 1.1.1.1.2.3 skrll { 140 1.1.1.1.2.3 skrll goto CleanupAndExit; 141 1.1.1.1.2.3 skrll } 142 1.1.1.1.2.3 skrll 143 1.1.1.1.2.2 skrll /* Add a root prefix if not present in the string */ 144 1.1.1.1.2.2 skrll 145 1.1.1.1.2.2 skrll i = 0; 146 1.1.1.1.2.2 skrll if (NameBuffer[1] == '\\') 147 1.1.1.1.2.2 skrll { 148 1.1.1.1.2.2 skrll i = 1; 149 1.1.1.1.2.2 skrll } 150 1.1.1.1.2.2 skrll 151 1.1.1.1.2.2 skrll AeDoOneOverride (&NameBuffer[i], ValueBuffer, ObjDesc, WalkState); 152 1.1.1.1.2.2 skrll } 153 1.1.1.1.2.2 skrll 154 1.1.1.1.2.2 skrll /* Cleanup */ 155 1.1.1.1.2.2 skrll 156 1.1.1.1.2.3 skrll CleanupAndExit: 157 1.1.1.1.2.2 skrll fclose (InitFile); 158 1.1.1.1.2.2 skrll AcpiDsDeleteWalkState (WalkState); 159 1.1.1.1.2.2 skrll AcpiUtRemoveReference (ObjDesc); 160 1.1.1.1.2.2 skrll } 161 1.1.1.1.2.2 skrll 162 1.1.1.1.2.2 skrll 163 1.1.1.1.2.2 skrll /****************************************************************************** 164 1.1.1.1.2.2 skrll * 165 1.1.1.1.2.2 skrll * FUNCTION: AeDoOneOverride 166 1.1.1.1.2.2 skrll * 167 1.1.1.1.2.2 skrll * PARAMETERS: Pathname - AML namepath 168 1.1.1.1.2.2 skrll * ValueString - New integer value to be stored 169 1.1.1.1.2.2 skrll * ObjDesc - Descriptor with integer override value 170 1.1.1.1.2.2 skrll * WalkState - Used for the Store operation 171 1.1.1.1.2.2 skrll * 172 1.1.1.1.2.2 skrll * RETURN: None 173 1.1.1.1.2.2 skrll * 174 1.1.1.1.2.2 skrll * DESCRIPTION: Perform an overrided for a single namespace object 175 1.1.1.1.2.2 skrll * 176 1.1.1.1.2.2 skrll *****************************************************************************/ 177 1.1.1.1.2.2 skrll 178 1.1.1.1.2.2 skrll static void 179 1.1.1.1.2.2 skrll AeDoOneOverride ( 180 1.1.1.1.2.2 skrll char *Pathname, 181 1.1.1.1.2.2 skrll char *ValueString, 182 1.1.1.1.2.2 skrll ACPI_OPERAND_OBJECT *ObjDesc, 183 1.1.1.1.2.2 skrll ACPI_WALK_STATE *WalkState) 184 1.1.1.1.2.2 skrll { 185 1.1.1.1.2.2 skrll ACPI_HANDLE Handle; 186 1.1.1.1.2.2 skrll ACPI_STATUS Status; 187 1.1.1.1.2.2 skrll UINT64 Value; 188 1.1.1.1.2.2 skrll 189 1.1.1.1.2.2 skrll 190 1.1.1.1.2.2 skrll AcpiOsPrintf ("Value Override: %s, ", Pathname); 191 1.1.1.1.2.2 skrll 192 1.1.1.1.2.2 skrll /* 193 1.1.1.1.2.2 skrll * Get the namespace node associated with the override 194 1.1.1.1.2.2 skrll * pathname from the init file. 195 1.1.1.1.2.2 skrll */ 196 1.1.1.1.2.2 skrll Status = AcpiGetHandle (NULL, Pathname, &Handle); 197 1.1.1.1.2.2 skrll if (ACPI_FAILURE (Status)) 198 1.1.1.1.2.2 skrll { 199 1.1.1.1.2.2 skrll AcpiOsPrintf ("%s\n", AcpiFormatException (Status)); 200 1.1.1.1.2.2 skrll return; 201 1.1.1.1.2.2 skrll } 202 1.1.1.1.2.2 skrll 203 1.1.1.1.2.2 skrll /* Extract the 64-bit integer */ 204 1.1.1.1.2.2 skrll 205 1.1.1.1.2.5 skrll Status = AcpiUtStrtoul64 (ValueString, ACPI_ANY_BASE, 206 1.1.1.1.2.5 skrll ACPI_MAX64_BYTE_WIDTH, &Value); 207 1.1.1.1.2.2 skrll if (ACPI_FAILURE (Status)) 208 1.1.1.1.2.2 skrll { 209 1.1.1.1.2.3 skrll AcpiOsPrintf ("%s %s\n", ValueString, 210 1.1.1.1.2.3 skrll AcpiFormatException (Status)); 211 1.1.1.1.2.2 skrll return; 212 1.1.1.1.2.2 skrll } 213 1.1.1.1.2.2 skrll 214 1.1.1.1.2.2 skrll ObjDesc->Integer.Value = Value; 215 1.1.1.1.2.2 skrll 216 1.1.1.1.2.2 skrll /* 217 1.1.1.1.2.2 skrll * At the point this function is called, the namespace is fully 218 1.1.1.1.2.2 skrll * built and initialized. We can simply store the new object to 219 1.1.1.1.2.2 skrll * the target node. 220 1.1.1.1.2.2 skrll */ 221 1.1.1.1.2.2 skrll AcpiExEnterInterpreter (); 222 1.1.1.1.2.2 skrll Status = AcpiExStore (ObjDesc, Handle, WalkState); 223 1.1.1.1.2.2 skrll AcpiExExitInterpreter (); 224 1.1.1.1.2.2 skrll 225 1.1.1.1.2.2 skrll if (ACPI_FAILURE (Status)) 226 1.1.1.1.2.2 skrll { 227 1.1.1.1.2.2 skrll AcpiOsPrintf ("%s\n", AcpiFormatException (Status)); 228 1.1.1.1.2.2 skrll return; 229 1.1.1.1.2.2 skrll } 230 1.1.1.1.2.2 skrll 231 1.1.1.1.2.2 skrll AcpiOsPrintf ("New value: 0x%8.8X%8.8X\n", 232 1.1.1.1.2.2 skrll ACPI_FORMAT_UINT64 (Value)); 233 1.1.1.1.2.2 skrll } 234
Indexes created Fri Oct 17 00:09:41 GMT 2025