dtfield.c revision 1.1.1.2.2.2
1 1.1.1.2.2.2 bouyer /****************************************************************************** 2 1.1.1.2.2.2 bouyer * 3 1.1.1.2.2.2 bouyer * Module Name: dtfield.c - Code generation for individual source fields 4 1.1.1.2.2.2 bouyer * 5 1.1.1.2.2.2 bouyer *****************************************************************************/ 6 1.1.1.2.2.2 bouyer 7 1.1.1.2.2.2 bouyer /* 8 1.1.1.2.2.2 bouyer * Copyright (C) 2000 - 2011, Intel Corp. 9 1.1.1.2.2.2 bouyer * All rights reserved. 10 1.1.1.2.2.2 bouyer * 11 1.1.1.2.2.2 bouyer * Redistribution and use in source and binary forms, with or without 12 1.1.1.2.2.2 bouyer * modification, are permitted provided that the following conditions 13 1.1.1.2.2.2 bouyer * are met: 14 1.1.1.2.2.2 bouyer * 1. Redistributions of source code must retain the above copyright 15 1.1.1.2.2.2 bouyer * notice, this list of conditions, and the following disclaimer, 16 1.1.1.2.2.2 bouyer * without modification. 17 1.1.1.2.2.2 bouyer * 2. Redistributions in binary form must reproduce at minimum a disclaimer 18 1.1.1.2.2.2 bouyer * substantially similar to the "NO WARRANTY" disclaimer below 19 1.1.1.2.2.2 bouyer * ("Disclaimer") and any redistribution must be conditioned upon 20 1.1.1.2.2.2 bouyer * including a substantially similar Disclaimer requirement for further 21 1.1.1.2.2.2 bouyer * binary redistribution. 22 1.1.1.2.2.2 bouyer * 3. Neither the names of the above-listed copyright holders nor the names 23 1.1.1.2.2.2 bouyer * of any contributors may be used to endorse or promote products derived 24 1.1.1.2.2.2 bouyer * from this software without specific prior written permission. 25 1.1.1.2.2.2 bouyer * 26 1.1.1.2.2.2 bouyer * Alternatively, this software may be distributed under the terms of the 27 1.1.1.2.2.2 bouyer * GNU General Public License ("GPL") version 2 as published by the Free 28 1.1.1.2.2.2 bouyer * Software Foundation. 29 1.1.1.2.2.2 bouyer * 30 1.1.1.2.2.2 bouyer * NO WARRANTY 31 1.1.1.2.2.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 32 1.1.1.2.2.2 bouyer * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 33 1.1.1.2.2.2 bouyer * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 34 1.1.1.2.2.2 bouyer * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 35 1.1.1.2.2.2 bouyer * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 36 1.1.1.2.2.2 bouyer * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 37 1.1.1.2.2.2 bouyer * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 38 1.1.1.2.2.2 bouyer * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 39 1.1.1.2.2.2 bouyer * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 40 1.1.1.2.2.2 bouyer * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 41 1.1.1.2.2.2 bouyer * POSSIBILITY OF SUCH DAMAGES. 42 1.1.1.2.2.2 bouyer */ 43 1.1.1.2.2.2 bouyer 44 1.1.1.2.2.2 bouyer #define __DTFIELD_C__ 45 1.1.1.2.2.2 bouyer 46 1.1.1.2.2.2 bouyer #include "aslcompiler.h" 47 1.1.1.2.2.2 bouyer #include "dtcompiler.h" 48 1.1.1.2.2.2 bouyer 49 1.1.1.2.2.2 bouyer #define _COMPONENT DT_COMPILER 50 1.1.1.2.2.2 bouyer ACPI_MODULE_NAME ("dtfield") 51 1.1.1.2.2.2 bouyer 52 1.1.1.2.2.2 bouyer 53 1.1.1.2.2.2 bouyer /* Local prototypes */ 54 1.1.1.2.2.2 bouyer 55 1.1.1.2.2.2 bouyer static void 56 1.1.1.2.2.2 bouyer DtCompileString ( 57 1.1.1.2.2.2 bouyer UINT8 *Buffer, 58 1.1.1.2.2.2 bouyer DT_FIELD *Field, 59 1.1.1.2.2.2 bouyer UINT32 ByteLength); 60 1.1.1.2.2.2 bouyer 61 1.1.1.2.2.2 bouyer static void 62 1.1.1.2.2.2 bouyer DtCompileUnicode ( 63 1.1.1.2.2.2 bouyer UINT8 *Buffer, 64 1.1.1.2.2.2 bouyer DT_FIELD *Field, 65 1.1.1.2.2.2 bouyer UINT32 ByteLength); 66 1.1.1.2.2.2 bouyer 67 1.1.1.2.2.2 bouyer static ACPI_STATUS 68 1.1.1.2.2.2 bouyer DtCompileUuid ( 69 1.1.1.2.2.2 bouyer UINT8 *Buffer, 70 1.1.1.2.2.2 bouyer DT_FIELD *Field, 71 1.1.1.2.2.2 bouyer UINT32 ByteLength); 72 1.1.1.2.2.2 bouyer 73 1.1.1.2.2.2 bouyer static char * 74 1.1.1.2.2.2 bouyer DtNormalizeBuffer ( 75 1.1.1.2.2.2 bouyer char *Buffer, 76 1.1.1.2.2.2 bouyer UINT32 *Count); 77 1.1.1.2.2.2 bouyer 78 1.1.1.2.2.2 bouyer 79 1.1.1.2.2.2 bouyer /****************************************************************************** 80 1.1.1.2.2.2 bouyer * 81 1.1.1.2.2.2 bouyer * FUNCTION: DtCompileOneField 82 1.1.1.2.2.2 bouyer * 83 1.1.1.2.2.2 bouyer * PARAMETERS: Buffer - Output buffer 84 1.1.1.2.2.2 bouyer * Field - Field to be compiled 85 1.1.1.2.2.2 bouyer * ByteLength - Byte length of the field 86 1.1.1.2.2.2 bouyer * Type - Field type 87 1.1.1.2.2.2 bouyer * 88 1.1.1.2.2.2 bouyer * RETURN: None 89 1.1.1.2.2.2 bouyer * 90 1.1.1.2.2.2 bouyer * DESCRIPTION: Compile a field value to binary 91 1.1.1.2.2.2 bouyer * 92 1.1.1.2.2.2 bouyer *****************************************************************************/ 93 1.1.1.2.2.2 bouyer 94 1.1.1.2.2.2 bouyer void 95 1.1.1.2.2.2 bouyer DtCompileOneField ( 96 1.1.1.2.2.2 bouyer UINT8 *Buffer, 97 1.1.1.2.2.2 bouyer DT_FIELD *Field, 98 1.1.1.2.2.2 bouyer UINT32 ByteLength, 99 1.1.1.2.2.2 bouyer UINT8 Type, 100 1.1.1.2.2.2 bouyer UINT8 Flags) 101 1.1.1.2.2.2 bouyer { 102 1.1.1.2.2.2 bouyer ACPI_STATUS Status; 103 1.1.1.2.2.2 bouyer 104 1.1.1.2.2.2 bouyer switch (Type) 105 1.1.1.2.2.2 bouyer { 106 1.1.1.2.2.2 bouyer case DT_FIELD_TYPE_INTEGER: 107 1.1.1.2.2.2 bouyer DtCompileInteger (Buffer, Field, ByteLength, Flags); 108 1.1.1.2.2.2 bouyer break; 109 1.1.1.2.2.2 bouyer 110 1.1.1.2.2.2 bouyer case DT_FIELD_TYPE_STRING: 111 1.1.1.2.2.2 bouyer DtCompileString (Buffer, Field, ByteLength); 112 1.1.1.2.2.2 bouyer break; 113 1.1.1.2.2.2 bouyer 114 1.1.1.2.2.2 bouyer case DT_FIELD_TYPE_UUID: 115 1.1.1.2.2.2 bouyer Status = DtCompileUuid (Buffer, Field, ByteLength); 116 1.1.1.2.2.2 bouyer if (ACPI_SUCCESS (Status)) 117 1.1.1.2.2.2 bouyer { 118 1.1.1.2.2.2 bouyer break; 119 1.1.1.2.2.2 bouyer } 120 1.1.1.2.2.2 bouyer 121 1.1.1.2.2.2 bouyer /* Fall through. */ 122 1.1.1.2.2.2 bouyer 123 1.1.1.2.2.2 bouyer case DT_FIELD_TYPE_BUFFER: 124 1.1.1.2.2.2 bouyer DtCompileBuffer (Buffer, Field->Value, Field, ByteLength); 125 1.1.1.2.2.2 bouyer break; 126 1.1.1.2.2.2 bouyer 127 1.1.1.2.2.2 bouyer case DT_FIELD_TYPE_UNICODE: 128 1.1.1.2.2.2 bouyer DtCompileUnicode (Buffer, Field, ByteLength); 129 1.1.1.2.2.2 bouyer break; 130 1.1.1.2.2.2 bouyer 131 1.1.1.2.2.2 bouyer case DT_FIELD_TYPE_DEVICE_PATH: 132 1.1.1.2.2.2 bouyer break; 133 1.1.1.2.2.2 bouyer 134 1.1.1.2.2.2 bouyer default: 135 1.1.1.2.2.2 bouyer DtFatal (ASL_MSG_COMPILER_INTERNAL, Field, "Invalid field type"); 136 1.1.1.2.2.2 bouyer break; 137 1.1.1.2.2.2 bouyer } 138 1.1.1.2.2.2 bouyer } 139 1.1.1.2.2.2 bouyer 140 1.1.1.2.2.2 bouyer 141 1.1.1.2.2.2 bouyer /****************************************************************************** 142 1.1.1.2.2.2 bouyer * 143 1.1.1.2.2.2 bouyer * FUNCTION: DtCompileString 144 1.1.1.2.2.2 bouyer * 145 1.1.1.2.2.2 bouyer * PARAMETERS: Buffer - Output buffer 146 1.1.1.2.2.2 bouyer * Field - String to be copied to buffer 147 1.1.1.2.2.2 bouyer * ByteLength - Maximum length of string 148 1.1.1.2.2.2 bouyer * 149 1.1.1.2.2.2 bouyer * RETURN: None 150 1.1.1.2.2.2 bouyer * 151 1.1.1.2.2.2 bouyer * DESCRIPTION: Copy string to the buffer 152 1.1.1.2.2.2 bouyer * 153 1.1.1.2.2.2 bouyer *****************************************************************************/ 154 1.1.1.2.2.2 bouyer 155 1.1.1.2.2.2 bouyer static void 156 1.1.1.2.2.2 bouyer DtCompileString ( 157 1.1.1.2.2.2 bouyer UINT8 *Buffer, 158 1.1.1.2.2.2 bouyer DT_FIELD *Field, 159 1.1.1.2.2.2 bouyer UINT32 ByteLength) 160 1.1.1.2.2.2 bouyer { 161 1.1.1.2.2.2 bouyer UINT32 Length; 162 1.1.1.2.2.2 bouyer 163 1.1.1.2.2.2 bouyer 164 1.1.1.2.2.2 bouyer Length = ACPI_STRLEN (Field->Value); 165 1.1.1.2.2.2 bouyer 166 1.1.1.2.2.2 bouyer /* Check if the string is too long for the field */ 167 1.1.1.2.2.2 bouyer 168 1.1.1.2.2.2 bouyer if (Length > ByteLength) 169 1.1.1.2.2.2 bouyer { 170 1.1.1.2.2.2 bouyer sprintf (MsgBuffer, "Maximum %u characters", ByteLength); 171 1.1.1.2.2.2 bouyer DtError (ASL_ERROR, ASL_MSG_STRING_LENGTH, Field, MsgBuffer); 172 1.1.1.2.2.2 bouyer Length = ByteLength; 173 1.1.1.2.2.2 bouyer } 174 1.1.1.2.2.2 bouyer 175 1.1.1.2.2.2 bouyer ACPI_MEMCPY (Buffer, Field->Value, Length); 176 1.1.1.2.2.2 bouyer } 177 1.1.1.2.2.2 bouyer 178 1.1.1.2.2.2 bouyer 179 1.1.1.2.2.2 bouyer /****************************************************************************** 180 1.1.1.2.2.2 bouyer * 181 1.1.1.2.2.2 bouyer * FUNCTION: DtCompileUnicode 182 1.1.1.2.2.2 bouyer * 183 1.1.1.2.2.2 bouyer * PARAMETERS: Buffer - Output buffer 184 1.1.1.2.2.2 bouyer * Field - String to be copied to buffer 185 1.1.1.2.2.2 bouyer * ByteLength - Maximum length of string 186 1.1.1.2.2.2 bouyer * 187 1.1.1.2.2.2 bouyer * RETURN: None 188 1.1.1.2.2.2 bouyer * 189 1.1.1.2.2.2 bouyer * DESCRIPTION: Convert ASCII string to Unicode string 190 1.1.1.2.2.2 bouyer * 191 1.1.1.2.2.2 bouyer * Note: The Unicode string is 16 bits per character, no leading signature, 192 1.1.1.2.2.2 bouyer * with a 16-bit terminating NULL. 193 1.1.1.2.2.2 bouyer * 194 1.1.1.2.2.2 bouyer *****************************************************************************/ 195 1.1.1.2.2.2 bouyer 196 1.1.1.2.2.2 bouyer static void 197 1.1.1.2.2.2 bouyer DtCompileUnicode ( 198 1.1.1.2.2.2 bouyer UINT8 *Buffer, 199 1.1.1.2.2.2 bouyer DT_FIELD *Field, 200 1.1.1.2.2.2 bouyer UINT32 ByteLength) 201 1.1.1.2.2.2 bouyer { 202 1.1.1.2.2.2 bouyer UINT32 Count; 203 1.1.1.2.2.2 bouyer UINT32 i; 204 1.1.1.2.2.2 bouyer char *AsciiString; 205 1.1.1.2.2.2 bouyer UINT16 *UnicodeString; 206 1.1.1.2.2.2 bouyer 207 1.1.1.2.2.2 bouyer 208 1.1.1.2.2.2 bouyer AsciiString = Field->Value; 209 1.1.1.2.2.2 bouyer UnicodeString = (UINT16 *) Buffer; 210 1.1.1.2.2.2 bouyer Count = ACPI_STRLEN (AsciiString) + 1; 211 1.1.1.2.2.2 bouyer 212 1.1.1.2.2.2 bouyer /* Convert to Unicode string (including null terminator) */ 213 1.1.1.2.2.2 bouyer 214 1.1.1.2.2.2 bouyer for (i = 0; i < Count; i++) 215 1.1.1.2.2.2 bouyer { 216 1.1.1.2.2.2 bouyer UnicodeString[i] = (UINT16) AsciiString[i]; 217 1.1.1.2.2.2 bouyer } 218 1.1.1.2.2.2 bouyer } 219 1.1.1.2.2.2 bouyer 220 1.1.1.2.2.2 bouyer 221 1.1.1.2.2.2 bouyer /******************************************************************************* 222 1.1.1.2.2.2 bouyer * 223 1.1.1.2.2.2 bouyer * FUNCTION: DtCompileUuid 224 1.1.1.2.2.2 bouyer * 225 1.1.1.2.2.2 bouyer * PARAMETERS: Buffer - Output buffer 226 1.1.1.2.2.2 bouyer * Field - String to be copied to buffer 227 1.1.1.2.2.2 bouyer * ByteLength - Maximum length of string 228 1.1.1.2.2.2 bouyer * 229 1.1.1.2.2.2 bouyer * RETURN: None 230 1.1.1.2.2.2 bouyer * 231 1.1.1.2.2.2 bouyer * DESCRIPTION: Convert UUID string to 16-byte buffer 232 1.1.1.2.2.2 bouyer * 233 1.1.1.2.2.2 bouyer ******************************************************************************/ 234 1.1.1.2.2.2 bouyer 235 1.1.1.2.2.2 bouyer static ACPI_STATUS 236 1.1.1.2.2.2 bouyer DtCompileUuid ( 237 1.1.1.2.2.2 bouyer UINT8 *Buffer, 238 1.1.1.2.2.2 bouyer DT_FIELD *Field, 239 1.1.1.2.2.2 bouyer UINT32 ByteLength) 240 1.1.1.2.2.2 bouyer { 241 1.1.1.2.2.2 bouyer char *InString; 242 1.1.1.2.2.2 bouyer ACPI_STATUS Status; 243 1.1.1.2.2.2 bouyer 244 1.1.1.2.2.2 bouyer 245 1.1.1.2.2.2 bouyer InString = Field->Value; 246 1.1.1.2.2.2 bouyer 247 1.1.1.2.2.2 bouyer Status = AuValidateUuid (InString); 248 1.1.1.2.2.2 bouyer if (ACPI_FAILURE (Status)) 249 1.1.1.2.2.2 bouyer { 250 1.1.1.2.2.2 bouyer sprintf (MsgBuffer, "%s", Field->Value); 251 1.1.1.2.2.2 bouyer DtNameError (ASL_ERROR, ASL_MSG_INVALID_UUID, Field, MsgBuffer); 252 1.1.1.2.2.2 bouyer } 253 1.1.1.2.2.2 bouyer else 254 1.1.1.2.2.2 bouyer { 255 1.1.1.2.2.2 bouyer Status = AuConvertStringToUuid (InString, (char *) Buffer); 256 1.1.1.2.2.2 bouyer } 257 1.1.1.2.2.2 bouyer 258 1.1.1.2.2.2 bouyer return (Status); 259 1.1.1.2.2.2 bouyer } 260 1.1.1.2.2.2 bouyer 261 1.1.1.2.2.2 bouyer 262 1.1.1.2.2.2 bouyer /****************************************************************************** 263 1.1.1.2.2.2 bouyer * 264 1.1.1.2.2.2 bouyer * FUNCTION: DtCompileInteger 265 1.1.1.2.2.2 bouyer * 266 1.1.1.2.2.2 bouyer * PARAMETERS: Buffer - Output buffer 267 1.1.1.2.2.2 bouyer * Field - Field obj with Integer to be compiled 268 1.1.1.2.2.2 bouyer * ByteLength - Byte length of the integer 269 1.1.1.2.2.2 bouyer * Flags - Additional compile info 270 1.1.1.2.2.2 bouyer * 271 1.1.1.2.2.2 bouyer * RETURN: None 272 1.1.1.2.2.2 bouyer * 273 1.1.1.2.2.2 bouyer * DESCRIPTION: Compile an integer. Supports integer expressions with C-style 274 1.1.1.2.2.2 bouyer * operators. 275 1.1.1.2.2.2 bouyer * 276 1.1.1.2.2.2 bouyer *****************************************************************************/ 277 1.1.1.2.2.2 bouyer 278 1.1.1.2.2.2 bouyer void 279 1.1.1.2.2.2 bouyer DtCompileInteger ( 280 1.1.1.2.2.2 bouyer UINT8 *Buffer, 281 1.1.1.2.2.2 bouyer DT_FIELD *Field, 282 1.1.1.2.2.2 bouyer UINT32 ByteLength, 283 1.1.1.2.2.2 bouyer UINT8 Flags) 284 1.1.1.2.2.2 bouyer { 285 1.1.1.2.2.2 bouyer UINT64 Value; 286 1.1.1.2.2.2 bouyer UINT64 MaxValue; 287 1.1.1.2.2.2 bouyer 288 1.1.1.2.2.2 bouyer 289 1.1.1.2.2.2 bouyer /* Output buffer byte length must be in range 1-8 */ 290 1.1.1.2.2.2 bouyer 291 1.1.1.2.2.2 bouyer if ((ByteLength > 8) || (ByteLength == 0)) 292 1.1.1.2.2.2 bouyer { 293 1.1.1.2.2.2 bouyer DtFatal (ASL_MSG_COMPILER_INTERNAL, Field, 294 1.1.1.2.2.2 bouyer "Invalid internal Byte length"); 295 1.1.1.2.2.2 bouyer return; 296 1.1.1.2.2.2 bouyer } 297 1.1.1.2.2.2 bouyer 298 1.1.1.2.2.2 bouyer /* Resolve integer expression to a single integer value */ 299 1.1.1.2.2.2 bouyer 300 1.1.1.2.2.2 bouyer Value = DtResolveIntegerExpression (Field); 301 1.1.1.2.2.2 bouyer 302 1.1.1.2.2.2 bouyer /* Ensure that reserved fields are set to zero */ 303 1.1.1.2.2.2 bouyer /* TBD: should we set to zero, or just make this an ERROR? */ 304 1.1.1.2.2.2 bouyer /* TBD: Probably better to use a flag */ 305 1.1.1.2.2.2 bouyer 306 1.1.1.2.2.2 bouyer if (!ACPI_STRCMP (Field->Name, "Reserved") && 307 1.1.1.2.2.2 bouyer (Value != 0)) 308 1.1.1.2.2.2 bouyer { 309 1.1.1.2.2.2 bouyer DtError (ASL_WARNING, ASL_MSG_RESERVED_VALUE, Field, 310 1.1.1.2.2.2 bouyer "Setting to zero"); 311 1.1.1.2.2.2 bouyer Value = 0; 312 1.1.1.2.2.2 bouyer } 313 1.1.1.2.2.2 bouyer 314 1.1.1.2.2.2 bouyer /* Check if the value must be non-zero */ 315 1.1.1.2.2.2 bouyer 316 1.1.1.2.2.2 bouyer if ((Value == 0) && (Flags & DT_NON_ZERO)) 317 1.1.1.2.2.2 bouyer { 318 1.1.1.2.2.2 bouyer DtError (ASL_ERROR, ASL_MSG_ZERO_VALUE, Field, NULL); 319 1.1.1.2.2.2 bouyer } 320 1.1.1.2.2.2 bouyer 321 1.1.1.2.2.2 bouyer /* 322 1.1.1.2.2.2 bouyer * Generate the maximum value for the data type (ByteLength) 323 1.1.1.2.2.2 bouyer * Note: construct chosen for maximum portability 324 1.1.1.2.2.2 bouyer */ 325 1.1.1.2.2.2 bouyer MaxValue = ((UINT64) (-1)) >> (64 - (ByteLength * 8)); 326 1.1.1.2.2.2 bouyer 327 1.1.1.2.2.2 bouyer /* Validate that the input value is within range of the target */ 328 1.1.1.2.2.2 bouyer 329 1.1.1.2.2.2 bouyer if (Value > MaxValue) 330 1.1.1.2.2.2 bouyer { 331 1.1.1.2.2.2 bouyer sprintf (MsgBuffer, "%8.8X%8.8X", ACPI_FORMAT_UINT64 (Value)); 332 1.1.1.2.2.2 bouyer DtError (ASL_ERROR, ASL_MSG_INTEGER_SIZE, Field, MsgBuffer); 333 1.1.1.2.2.2 bouyer } 334 1.1.1.2.2.2 bouyer 335 1.1.1.2.2.2 bouyer ACPI_MEMCPY (Buffer, &Value, ByteLength); 336 1.1.1.2.2.2 bouyer return; 337 1.1.1.2.2.2 bouyer } 338 1.1.1.2.2.2 bouyer 339 1.1.1.2.2.2 bouyer 340 1.1.1.2.2.2 bouyer /****************************************************************************** 341 1.1.1.2.2.2 bouyer * 342 1.1.1.2.2.2 bouyer * FUNCTION: DtNormalizeBuffer 343 1.1.1.2.2.2 bouyer * 344 1.1.1.2.2.2 bouyer * PARAMETERS: Buffer - Input buffer 345 1.1.1.2.2.2 bouyer * Count - Output the count of hex number in 346 1.1.1.2.2.2 bouyer * the Buffer 347 1.1.1.2.2.2 bouyer * 348 1.1.1.2.2.2 bouyer * RETURN: The normalized buffer, freed by caller 349 1.1.1.2.2.2 bouyer * 350 1.1.1.2.2.2 bouyer * DESCRIPTION: [1A,2B,3C,4D] or 1A, 2B, 3C, 4D will be normalized 351 1.1.1.2.2.2 bouyer * to 1A 2B 3C 4D 352 1.1.1.2.2.2 bouyer * 353 1.1.1.2.2.2 bouyer *****************************************************************************/ 354 1.1.1.2.2.2 bouyer 355 1.1.1.2.2.2 bouyer static char * 356 1.1.1.2.2.2 bouyer DtNormalizeBuffer ( 357 1.1.1.2.2.2 bouyer char *Buffer, 358 1.1.1.2.2.2 bouyer UINT32 *Count) 359 1.1.1.2.2.2 bouyer { 360 1.1.1.2.2.2 bouyer char *NewBuffer; 361 1.1.1.2.2.2 bouyer char *TmpBuffer; 362 1.1.1.2.2.2 bouyer UINT32 BufferCount = 0; 363 1.1.1.2.2.2 bouyer BOOLEAN Separator = TRUE; 364 1.1.1.2.2.2 bouyer char c; 365 1.1.1.2.2.2 bouyer 366 1.1.1.2.2.2 bouyer 367 1.1.1.2.2.2 bouyer NewBuffer = UtLocalCalloc (ACPI_STRLEN (Buffer) + 1); 368 1.1.1.2.2.2 bouyer TmpBuffer = NewBuffer; 369 1.1.1.2.2.2 bouyer 370 1.1.1.2.2.2 bouyer while ((c = *Buffer++)) 371 1.1.1.2.2.2 bouyer { 372 1.1.1.2.2.2 bouyer switch (c) 373 1.1.1.2.2.2 bouyer { 374 1.1.1.2.2.2 bouyer /* Valid separators */ 375 1.1.1.2.2.2 bouyer 376 1.1.1.2.2.2 bouyer case '[': 377 1.1.1.2.2.2 bouyer case ']': 378 1.1.1.2.2.2 bouyer case ' ': 379 1.1.1.2.2.2 bouyer case ',': 380 1.1.1.2.2.2 bouyer Separator = TRUE; 381 1.1.1.2.2.2 bouyer break; 382 1.1.1.2.2.2 bouyer 383 1.1.1.2.2.2 bouyer default: 384 1.1.1.2.2.2 bouyer if (Separator) 385 1.1.1.2.2.2 bouyer { 386 1.1.1.2.2.2 bouyer /* Insert blank as the standard separator */ 387 1.1.1.2.2.2 bouyer 388 1.1.1.2.2.2 bouyer if (NewBuffer[0]) 389 1.1.1.2.2.2 bouyer { 390 1.1.1.2.2.2 bouyer *TmpBuffer++ = ' '; 391 1.1.1.2.2.2 bouyer BufferCount++; 392 1.1.1.2.2.2 bouyer } 393 1.1.1.2.2.2 bouyer 394 1.1.1.2.2.2 bouyer Separator = FALSE; 395 1.1.1.2.2.2 bouyer } 396 1.1.1.2.2.2 bouyer 397 1.1.1.2.2.2 bouyer *TmpBuffer++ = c; 398 1.1.1.2.2.2 bouyer break; 399 1.1.1.2.2.2 bouyer } 400 1.1.1.2.2.2 bouyer } 401 1.1.1.2.2.2 bouyer 402 1.1.1.2.2.2 bouyer *Count = BufferCount + 1; 403 1.1.1.2.2.2 bouyer return (NewBuffer); 404 1.1.1.2.2.2 bouyer } 405 1.1.1.2.2.2 bouyer 406 1.1.1.2.2.2 bouyer 407 1.1.1.2.2.2 bouyer /****************************************************************************** 408 1.1.1.2.2.2 bouyer * 409 1.1.1.2.2.2 bouyer * FUNCTION: DtCompileBuffer 410 1.1.1.2.2.2 bouyer * 411 1.1.1.2.2.2 bouyer * PARAMETERS: Buffer - Output buffer 412 1.1.1.2.2.2 bouyer * StringValue - Integer list to be compiled 413 1.1.1.2.2.2 bouyer * Field - Current field object 414 1.1.1.2.2.2 bouyer * ByteLength - Byte length of the integer list 415 1.1.1.2.2.2 bouyer * 416 1.1.1.2.2.2 bouyer * RETURN: Count of remaining data in the input list 417 1.1.1.2.2.2 bouyer * 418 1.1.1.2.2.2 bouyer * DESCRIPTION: Compile and pack an integer list, for example 419 1.1.1.2.2.2 bouyer * "AA 1F 20 3B" ==> Buffer[] = {0xAA,0x1F,0x20,0x3B} 420 1.1.1.2.2.2 bouyer * 421 1.1.1.2.2.2 bouyer *****************************************************************************/ 422 1.1.1.2.2.2 bouyer 423 1.1.1.2.2.2 bouyer UINT32 424 1.1.1.2.2.2 bouyer DtCompileBuffer ( 425 1.1.1.2.2.2 bouyer UINT8 *Buffer, 426 1.1.1.2.2.2 bouyer char *StringValue, 427 1.1.1.2.2.2 bouyer DT_FIELD *Field, 428 1.1.1.2.2.2 bouyer UINT32 ByteLength) 429 1.1.1.2.2.2 bouyer { 430 1.1.1.2.2.2 bouyer ACPI_STATUS Status; 431 1.1.1.2.2.2 bouyer char Hex[3]; 432 1.1.1.2.2.2 bouyer UINT64 Value; 433 1.1.1.2.2.2 bouyer UINT32 i; 434 1.1.1.2.2.2 bouyer UINT32 Count; 435 1.1.1.2.2.2 bouyer 436 1.1.1.2.2.2 bouyer 437 1.1.1.2.2.2 bouyer /* Allow several different types of value separators */ 438 1.1.1.2.2.2 bouyer 439 1.1.1.2.2.2 bouyer StringValue = DtNormalizeBuffer (StringValue, &Count); 440 1.1.1.2.2.2 bouyer 441 1.1.1.2.2.2 bouyer Hex[2] = 0; 442 1.1.1.2.2.2 bouyer for (i = 0; i < Count; i++) 443 1.1.1.2.2.2 bouyer { 444 1.1.1.2.2.2 bouyer /* Each element of StringValue is three chars */ 445 1.1.1.2.2.2 bouyer 446 1.1.1.2.2.2 bouyer Hex[0] = StringValue[(3 * i)]; 447 1.1.1.2.2.2 bouyer Hex[1] = StringValue[(3 * i) + 1]; 448 1.1.1.2.2.2 bouyer 449 1.1.1.2.2.2 bouyer /* Convert one hex byte */ 450 1.1.1.2.2.2 bouyer 451 1.1.1.2.2.2 bouyer Value = 0; 452 1.1.1.2.2.2 bouyer Status = DtStrtoul64 (Hex, &Value); 453 1.1.1.2.2.2 bouyer if (ACPI_FAILURE (Status)) 454 1.1.1.2.2.2 bouyer { 455 1.1.1.2.2.2 bouyer DtError (ASL_ERROR, ASL_MSG_BUFFER_ELEMENT, Field, MsgBuffer); 456 1.1.1.2.2.2 bouyer return (ByteLength - Count); 457 1.1.1.2.2.2 bouyer } 458 1.1.1.2.2.2 bouyer 459 1.1.1.2.2.2 bouyer Buffer[i] = (UINT8) Value; 460 1.1.1.2.2.2 bouyer } 461 1.1.1.2.2.2 bouyer 462 1.1.1.2.2.2 bouyer ACPI_FREE (StringValue); 463 1.1.1.2.2.2 bouyer return (ByteLength - Count); 464 1.1.1.2.2.2 bouyer } 465 1.1.1.2.2.2 bouyer 466 1.1.1.2.2.2 bouyer 467 1.1.1.2.2.2 bouyer /****************************************************************************** 468 1.1.1.2.2.2 bouyer * 469 1.1.1.2.2.2 bouyer * FUNCTION: DtCompileFlag 470 1.1.1.2.2.2 bouyer * 471 1.1.1.2.2.2 bouyer * PARAMETERS: Buffer - Output buffer 472 1.1.1.2.2.2 bouyer * Field - Field to be compiled 473 1.1.1.2.2.2 bouyer * Info - Flag info 474 1.1.1.2.2.2 bouyer * 475 1.1.1.2.2.2 bouyer * RETURN: 476 1.1.1.2.2.2 bouyer * 477 1.1.1.2.2.2 bouyer * DESCRIPTION: Compile a flag 478 1.1.1.2.2.2 bouyer * 479 1.1.1.2.2.2 bouyer *****************************************************************************/ 480 1.1.1.2.2.2 bouyer 481 1.1.1.2.2.2 bouyer void 482 1.1.1.2.2.2 bouyer DtCompileFlag ( 483 1.1.1.2.2.2 bouyer UINT8 *Buffer, 484 1.1.1.2.2.2 bouyer DT_FIELD *Field, 485 1.1.1.2.2.2 bouyer ACPI_DMTABLE_INFO *Info) 486 1.1.1.2.2.2 bouyer { 487 1.1.1.2.2.2 bouyer UINT64 Value = 0; 488 1.1.1.2.2.2 bouyer UINT32 BitLength = 1; 489 1.1.1.2.2.2 bouyer UINT8 BitPosition = 0; 490 1.1.1.2.2.2 bouyer ACPI_STATUS Status; 491 1.1.1.2.2.2 bouyer 492 1.1.1.2.2.2 bouyer 493 1.1.1.2.2.2 bouyer Status = DtStrtoul64 (Field->Value, &Value); 494 1.1.1.2.2.2 bouyer if (ACPI_FAILURE (Status)) 495 1.1.1.2.2.2 bouyer { 496 1.1.1.2.2.2 bouyer DtError (ASL_ERROR, ASL_MSG_INVALID_HEX_INTEGER, Field, NULL); 497 1.1.1.2.2.2 bouyer } 498 1.1.1.2.2.2 bouyer 499 1.1.1.2.2.2 bouyer switch (Info->Opcode) 500 1.1.1.2.2.2 bouyer { 501 1.1.1.2.2.2 bouyer case ACPI_DMT_FLAG0: 502 1.1.1.2.2.2 bouyer case ACPI_DMT_FLAG1: 503 1.1.1.2.2.2 bouyer case ACPI_DMT_FLAG2: 504 1.1.1.2.2.2 bouyer case ACPI_DMT_FLAG3: 505 1.1.1.2.2.2 bouyer case ACPI_DMT_FLAG4: 506 1.1.1.2.2.2 bouyer case ACPI_DMT_FLAG5: 507 1.1.1.2.2.2 bouyer case ACPI_DMT_FLAG6: 508 1.1.1.2.2.2 bouyer case ACPI_DMT_FLAG7: 509 1.1.1.2.2.2 bouyer 510 1.1.1.2.2.2 bouyer BitPosition = Info->Opcode; 511 1.1.1.2.2.2 bouyer BitLength = 1; 512 1.1.1.2.2.2 bouyer break; 513 1.1.1.2.2.2 bouyer 514 1.1.1.2.2.2 bouyer case ACPI_DMT_FLAGS0: 515 1.1.1.2.2.2 bouyer 516 1.1.1.2.2.2 bouyer BitPosition = 0; 517 1.1.1.2.2.2 bouyer BitLength = 2; 518 1.1.1.2.2.2 bouyer break; 519 1.1.1.2.2.2 bouyer 520 1.1.1.2.2.2 bouyer 521 1.1.1.2.2.2 bouyer case ACPI_DMT_FLAGS2: 522 1.1.1.2.2.2 bouyer 523 1.1.1.2.2.2 bouyer BitPosition = 2; 524 1.1.1.2.2.2 bouyer BitLength = 2; 525 1.1.1.2.2.2 bouyer break; 526 1.1.1.2.2.2 bouyer 527 1.1.1.2.2.2 bouyer default: 528 1.1.1.2.2.2 bouyer 529 1.1.1.2.2.2 bouyer DtFatal (ASL_MSG_COMPILER_INTERNAL, Field, "Invalid flag opcode"); 530 1.1.1.2.2.2 bouyer break; 531 1.1.1.2.2.2 bouyer } 532 1.1.1.2.2.2 bouyer 533 1.1.1.2.2.2 bouyer /* Check range of the input flag value */ 534 1.1.1.2.2.2 bouyer 535 1.1.1.2.2.2 bouyer if (Value >= ((UINT64) 1 << BitLength)) 536 1.1.1.2.2.2 bouyer { 537 1.1.1.2.2.2 bouyer sprintf (MsgBuffer, "Maximum %u bit", BitLength); 538 1.1.1.2.2.2 bouyer DtError (ASL_ERROR, ASL_MSG_FLAG_VALUE, Field, MsgBuffer); 539 1.1.1.2.2.2 bouyer Value = 0; 540 1.1.1.2.2.2 bouyer } 541 1.1.1.2.2.2 bouyer 542 1.1.1.2.2.2 bouyer *Buffer |= (UINT8) (Value << BitPosition); 543 1.1.1.2.2.2 bouyer } 544
Indexes created Thu Oct 02 14:10:14 GMT 2025