dmbuffer.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: dmbuffer - AML disassembler, buffer and string support 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 45 1.1.1.2.2.2 bouyer #include "acpi.h" 46 1.1.1.2.2.2 bouyer #include "accommon.h" 47 1.1.1.2.2.2 bouyer #include "acdisasm.h" 48 1.1.1.2.2.2 bouyer #include "acparser.h" 49 1.1.1.2.2.2 bouyer #include "amlcode.h" 50 1.1.1.2.2.2 bouyer 51 1.1.1.2.2.2 bouyer 52 1.1.1.2.2.2 bouyer #ifdef ACPI_DISASSEMBLER 53 1.1.1.2.2.2 bouyer 54 1.1.1.2.2.2 bouyer #define _COMPONENT ACPI_CA_DEBUGGER 55 1.1.1.2.2.2 bouyer ACPI_MODULE_NAME ("dmbuffer") 56 1.1.1.2.2.2 bouyer 57 1.1.1.2.2.2 bouyer /* Local prototypes */ 58 1.1.1.2.2.2 bouyer 59 1.1.1.2.2.2 bouyer static void 60 1.1.1.2.2.2 bouyer AcpiDmUnicode ( 61 1.1.1.2.2.2 bouyer ACPI_PARSE_OBJECT *Op); 62 1.1.1.2.2.2 bouyer 63 1.1.1.2.2.2 bouyer static void 64 1.1.1.2.2.2 bouyer AcpiDmIsEisaIdElement ( 65 1.1.1.2.2.2 bouyer ACPI_PARSE_OBJECT *Op); 66 1.1.1.2.2.2 bouyer 67 1.1.1.2.2.2 bouyer 68 1.1.1.2.2.2 bouyer /******************************************************************************* 69 1.1.1.2.2.2 bouyer * 70 1.1.1.2.2.2 bouyer * FUNCTION: AcpiDmDisasmByteList 71 1.1.1.2.2.2 bouyer * 72 1.1.1.2.2.2 bouyer * PARAMETERS: Level - Current source code indentation level 73 1.1.1.2.2.2 bouyer * ByteData - Pointer to the byte list 74 1.1.1.2.2.2 bouyer * ByteCount - Length of the byte list 75 1.1.1.2.2.2 bouyer * 76 1.1.1.2.2.2 bouyer * RETURN: None 77 1.1.1.2.2.2 bouyer * 78 1.1.1.2.2.2 bouyer * DESCRIPTION: Dump an AML "ByteList" in Hex format. 8 bytes per line, prefixed 79 1.1.1.2.2.2 bouyer * with the hex buffer offset. 80 1.1.1.2.2.2 bouyer * 81 1.1.1.2.2.2 bouyer ******************************************************************************/ 82 1.1.1.2.2.2 bouyer 83 1.1.1.2.2.2 bouyer void 84 1.1.1.2.2.2 bouyer AcpiDmDisasmByteList ( 85 1.1.1.2.2.2 bouyer UINT32 Level, 86 1.1.1.2.2.2 bouyer UINT8 *ByteData, 87 1.1.1.2.2.2 bouyer UINT32 ByteCount) 88 1.1.1.2.2.2 bouyer { 89 1.1.1.2.2.2 bouyer UINT32 i; 90 1.1.1.2.2.2 bouyer 91 1.1.1.2.2.2 bouyer 92 1.1.1.2.2.2 bouyer if (!ByteCount) 93 1.1.1.2.2.2 bouyer { 94 1.1.1.2.2.2 bouyer return; 95 1.1.1.2.2.2 bouyer } 96 1.1.1.2.2.2 bouyer 97 1.1.1.2.2.2 bouyer /* Dump the byte list */ 98 1.1.1.2.2.2 bouyer 99 1.1.1.2.2.2 bouyer for (i = 0; i < ByteCount; i++) 100 1.1.1.2.2.2 bouyer { 101 1.1.1.2.2.2 bouyer /* New line every 8 bytes */ 102 1.1.1.2.2.2 bouyer 103 1.1.1.2.2.2 bouyer if (((i % 8) == 0) && (i < ByteCount)) 104 1.1.1.2.2.2 bouyer { 105 1.1.1.2.2.2 bouyer if (i > 0) 106 1.1.1.2.2.2 bouyer { 107 1.1.1.2.2.2 bouyer AcpiOsPrintf ("\n"); 108 1.1.1.2.2.2 bouyer } 109 1.1.1.2.2.2 bouyer 110 1.1.1.2.2.2 bouyer AcpiDmIndent (Level); 111 1.1.1.2.2.2 bouyer if (ByteCount > 7) 112 1.1.1.2.2.2 bouyer { 113 1.1.1.2.2.2 bouyer AcpiOsPrintf ("/* %04X */ ", i); 114 1.1.1.2.2.2 bouyer } 115 1.1.1.2.2.2 bouyer } 116 1.1.1.2.2.2 bouyer 117 1.1.1.2.2.2 bouyer AcpiOsPrintf ("0x%2.2X", (UINT32) ByteData[i]); 118 1.1.1.2.2.2 bouyer 119 1.1.1.2.2.2 bouyer /* Add comma if there are more bytes to display */ 120 1.1.1.2.2.2 bouyer 121 1.1.1.2.2.2 bouyer if (i < (ByteCount -1)) 122 1.1.1.2.2.2 bouyer { 123 1.1.1.2.2.2 bouyer AcpiOsPrintf (", "); 124 1.1.1.2.2.2 bouyer } 125 1.1.1.2.2.2 bouyer } 126 1.1.1.2.2.2 bouyer 127 1.1.1.2.2.2 bouyer if (Level) 128 1.1.1.2.2.2 bouyer { 129 1.1.1.2.2.2 bouyer AcpiOsPrintf ("\n"); 130 1.1.1.2.2.2 bouyer } 131 1.1.1.2.2.2 bouyer } 132 1.1.1.2.2.2 bouyer 133 1.1.1.2.2.2 bouyer 134 1.1.1.2.2.2 bouyer /******************************************************************************* 135 1.1.1.2.2.2 bouyer * 136 1.1.1.2.2.2 bouyer * FUNCTION: AcpiDmByteList 137 1.1.1.2.2.2 bouyer * 138 1.1.1.2.2.2 bouyer * PARAMETERS: Info - Parse tree walk info 139 1.1.1.2.2.2 bouyer * Op - Byte list op 140 1.1.1.2.2.2 bouyer * 141 1.1.1.2.2.2 bouyer * RETURN: None 142 1.1.1.2.2.2 bouyer * 143 1.1.1.2.2.2 bouyer * DESCRIPTION: Dump a buffer byte list, handling the various types of buffers. 144 1.1.1.2.2.2 bouyer * Buffer type must be already set in the Op DisasmOpcode. 145 1.1.1.2.2.2 bouyer * 146 1.1.1.2.2.2 bouyer ******************************************************************************/ 147 1.1.1.2.2.2 bouyer 148 1.1.1.2.2.2 bouyer void 149 1.1.1.2.2.2 bouyer AcpiDmByteList ( 150 1.1.1.2.2.2 bouyer ACPI_OP_WALK_INFO *Info, 151 1.1.1.2.2.2 bouyer ACPI_PARSE_OBJECT *Op) 152 1.1.1.2.2.2 bouyer { 153 1.1.1.2.2.2 bouyer UINT8 *ByteData; 154 1.1.1.2.2.2 bouyer UINT32 ByteCount; 155 1.1.1.2.2.2 bouyer 156 1.1.1.2.2.2 bouyer 157 1.1.1.2.2.2 bouyer ByteData = Op->Named.Data; 158 1.1.1.2.2.2 bouyer ByteCount = (UINT32) Op->Common.Value.Integer; 159 1.1.1.2.2.2 bouyer 160 1.1.1.2.2.2 bouyer /* 161 1.1.1.2.2.2 bouyer * The byte list belongs to a buffer, and can be produced by either 162 1.1.1.2.2.2 bouyer * a ResourceTemplate, Unicode, quoted string, or a plain byte list. 163 1.1.1.2.2.2 bouyer */ 164 1.1.1.2.2.2 bouyer switch (Op->Common.Parent->Common.DisasmOpcode) 165 1.1.1.2.2.2 bouyer { 166 1.1.1.2.2.2 bouyer case ACPI_DASM_RESOURCE: 167 1.1.1.2.2.2 bouyer 168 1.1.1.2.2.2 bouyer AcpiDmResourceTemplate (Info, Op->Common.Parent, ByteData, ByteCount); 169 1.1.1.2.2.2 bouyer break; 170 1.1.1.2.2.2 bouyer 171 1.1.1.2.2.2 bouyer case ACPI_DASM_STRING: 172 1.1.1.2.2.2 bouyer 173 1.1.1.2.2.2 bouyer AcpiDmIndent (Info->Level); 174 1.1.1.2.2.2 bouyer AcpiUtPrintString ((char *) ByteData, ACPI_UINT8_MAX); 175 1.1.1.2.2.2 bouyer AcpiOsPrintf ("\n"); 176 1.1.1.2.2.2 bouyer break; 177 1.1.1.2.2.2 bouyer 178 1.1.1.2.2.2 bouyer case ACPI_DASM_UNICODE: 179 1.1.1.2.2.2 bouyer 180 1.1.1.2.2.2 bouyer AcpiDmUnicode (Op); 181 1.1.1.2.2.2 bouyer break; 182 1.1.1.2.2.2 bouyer 183 1.1.1.2.2.2 bouyer case ACPI_DASM_BUFFER: 184 1.1.1.2.2.2 bouyer default: 185 1.1.1.2.2.2 bouyer 186 1.1.1.2.2.2 bouyer /* 187 1.1.1.2.2.2 bouyer * Not a resource, string, or unicode string. 188 1.1.1.2.2.2 bouyer * Just dump the buffer 189 1.1.1.2.2.2 bouyer */ 190 1.1.1.2.2.2 bouyer AcpiDmDisasmByteList (Info->Level, ByteData, ByteCount); 191 1.1.1.2.2.2 bouyer break; 192 1.1.1.2.2.2 bouyer } 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 /******************************************************************************* 197 1.1.1.2.2.2 bouyer * 198 1.1.1.2.2.2 bouyer * FUNCTION: AcpiDmIsUnicodeBuffer 199 1.1.1.2.2.2 bouyer * 200 1.1.1.2.2.2 bouyer * PARAMETERS: Op - Buffer Object to be examined 201 1.1.1.2.2.2 bouyer * 202 1.1.1.2.2.2 bouyer * RETURN: TRUE if buffer contains a UNICODE string 203 1.1.1.2.2.2 bouyer * 204 1.1.1.2.2.2 bouyer * DESCRIPTION: Determine if a buffer Op contains a Unicode string 205 1.1.1.2.2.2 bouyer * 206 1.1.1.2.2.2 bouyer ******************************************************************************/ 207 1.1.1.2.2.2 bouyer 208 1.1.1.2.2.2 bouyer BOOLEAN 209 1.1.1.2.2.2 bouyer AcpiDmIsUnicodeBuffer ( 210 1.1.1.2.2.2 bouyer ACPI_PARSE_OBJECT *Op) 211 1.1.1.2.2.2 bouyer { 212 1.1.1.2.2.2 bouyer UINT8 *ByteData; 213 1.1.1.2.2.2 bouyer UINT32 ByteCount; 214 1.1.1.2.2.2 bouyer UINT32 WordCount; 215 1.1.1.2.2.2 bouyer ACPI_PARSE_OBJECT *SizeOp; 216 1.1.1.2.2.2 bouyer ACPI_PARSE_OBJECT *NextOp; 217 1.1.1.2.2.2 bouyer UINT32 i; 218 1.1.1.2.2.2 bouyer 219 1.1.1.2.2.2 bouyer 220 1.1.1.2.2.2 bouyer /* Buffer size is the buffer argument */ 221 1.1.1.2.2.2 bouyer 222 1.1.1.2.2.2 bouyer SizeOp = Op->Common.Value.Arg; 223 1.1.1.2.2.2 bouyer 224 1.1.1.2.2.2 bouyer /* Next, the initializer byte list to examine */ 225 1.1.1.2.2.2 bouyer 226 1.1.1.2.2.2 bouyer NextOp = SizeOp->Common.Next; 227 1.1.1.2.2.2 bouyer if (!NextOp) 228 1.1.1.2.2.2 bouyer { 229 1.1.1.2.2.2 bouyer return (FALSE); 230 1.1.1.2.2.2 bouyer } 231 1.1.1.2.2.2 bouyer 232 1.1.1.2.2.2 bouyer /* Extract the byte list info */ 233 1.1.1.2.2.2 bouyer 234 1.1.1.2.2.2 bouyer ByteData = NextOp->Named.Data; 235 1.1.1.2.2.2 bouyer ByteCount = (UINT32) NextOp->Common.Value.Integer; 236 1.1.1.2.2.2 bouyer WordCount = ACPI_DIV_2 (ByteCount); 237 1.1.1.2.2.2 bouyer 238 1.1.1.2.2.2 bouyer /* 239 1.1.1.2.2.2 bouyer * Unicode string must have an even number of bytes and last 240 1.1.1.2.2.2 bouyer * word must be zero 241 1.1.1.2.2.2 bouyer */ 242 1.1.1.2.2.2 bouyer if ((!ByteCount) || 243 1.1.1.2.2.2 bouyer (ByteCount < 4) || 244 1.1.1.2.2.2 bouyer (ByteCount & 1) || 245 1.1.1.2.2.2 bouyer ((UINT16 *) (void *) ByteData)[WordCount - 1] != 0) 246 1.1.1.2.2.2 bouyer { 247 1.1.1.2.2.2 bouyer return (FALSE); 248 1.1.1.2.2.2 bouyer } 249 1.1.1.2.2.2 bouyer 250 1.1.1.2.2.2 bouyer /* For each word, 1st byte must be ascii, 2nd byte must be zero */ 251 1.1.1.2.2.2 bouyer 252 1.1.1.2.2.2 bouyer for (i = 0; i < (ByteCount - 2); i += 2) 253 1.1.1.2.2.2 bouyer { 254 1.1.1.2.2.2 bouyer if ((!ACPI_IS_PRINT (ByteData[i])) || 255 1.1.1.2.2.2 bouyer (ByteData[(ACPI_SIZE) i + 1] != 0)) 256 1.1.1.2.2.2 bouyer { 257 1.1.1.2.2.2 bouyer return (FALSE); 258 1.1.1.2.2.2 bouyer } 259 1.1.1.2.2.2 bouyer } 260 1.1.1.2.2.2 bouyer 261 1.1.1.2.2.2 bouyer /* Ignore the Size argument in the disassembly of this buffer op */ 262 1.1.1.2.2.2 bouyer 263 1.1.1.2.2.2 bouyer SizeOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE; 264 1.1.1.2.2.2 bouyer return (TRUE); 265 1.1.1.2.2.2 bouyer } 266 1.1.1.2.2.2 bouyer 267 1.1.1.2.2.2 bouyer 268 1.1.1.2.2.2 bouyer /******************************************************************************* 269 1.1.1.2.2.2 bouyer * 270 1.1.1.2.2.2 bouyer * FUNCTION: AcpiDmIsStringBuffer 271 1.1.1.2.2.2 bouyer * 272 1.1.1.2.2.2 bouyer * PARAMETERS: Op - Buffer Object to be examined 273 1.1.1.2.2.2 bouyer * 274 1.1.1.2.2.2 bouyer * RETURN: TRUE if buffer contains a ASCII string, FALSE otherwise 275 1.1.1.2.2.2 bouyer * 276 1.1.1.2.2.2 bouyer * DESCRIPTION: Determine if a buffer Op contains a ASCII string 277 1.1.1.2.2.2 bouyer * 278 1.1.1.2.2.2 bouyer ******************************************************************************/ 279 1.1.1.2.2.2 bouyer 280 1.1.1.2.2.2 bouyer BOOLEAN 281 1.1.1.2.2.2 bouyer AcpiDmIsStringBuffer ( 282 1.1.1.2.2.2 bouyer ACPI_PARSE_OBJECT *Op) 283 1.1.1.2.2.2 bouyer { 284 1.1.1.2.2.2 bouyer UINT8 *ByteData; 285 1.1.1.2.2.2 bouyer UINT32 ByteCount; 286 1.1.1.2.2.2 bouyer ACPI_PARSE_OBJECT *SizeOp; 287 1.1.1.2.2.2 bouyer ACPI_PARSE_OBJECT *NextOp; 288 1.1.1.2.2.2 bouyer UINT32 i; 289 1.1.1.2.2.2 bouyer 290 1.1.1.2.2.2 bouyer 291 1.1.1.2.2.2 bouyer /* Buffer size is the buffer argument */ 292 1.1.1.2.2.2 bouyer 293 1.1.1.2.2.2 bouyer SizeOp = Op->Common.Value.Arg; 294 1.1.1.2.2.2 bouyer 295 1.1.1.2.2.2 bouyer /* Next, the initializer byte list to examine */ 296 1.1.1.2.2.2 bouyer 297 1.1.1.2.2.2 bouyer NextOp = SizeOp->Common.Next; 298 1.1.1.2.2.2 bouyer if (!NextOp) 299 1.1.1.2.2.2 bouyer { 300 1.1.1.2.2.2 bouyer return (FALSE); 301 1.1.1.2.2.2 bouyer } 302 1.1.1.2.2.2 bouyer 303 1.1.1.2.2.2 bouyer /* Extract the byte list info */ 304 1.1.1.2.2.2 bouyer 305 1.1.1.2.2.2 bouyer ByteData = NextOp->Named.Data; 306 1.1.1.2.2.2 bouyer ByteCount = (UINT32) NextOp->Common.Value.Integer; 307 1.1.1.2.2.2 bouyer 308 1.1.1.2.2.2 bouyer /* Last byte must be the null terminator */ 309 1.1.1.2.2.2 bouyer 310 1.1.1.2.2.2 bouyer if ((!ByteCount) || 311 1.1.1.2.2.2 bouyer (ByteCount < 2) || 312 1.1.1.2.2.2 bouyer (ByteData[ByteCount-1] != 0)) 313 1.1.1.2.2.2 bouyer { 314 1.1.1.2.2.2 bouyer return (FALSE); 315 1.1.1.2.2.2 bouyer } 316 1.1.1.2.2.2 bouyer 317 1.1.1.2.2.2 bouyer for (i = 0; i < (ByteCount - 1); i++) 318 1.1.1.2.2.2 bouyer { 319 1.1.1.2.2.2 bouyer /* TBD: allow some escapes (non-ascii chars). 320 1.1.1.2.2.2 bouyer * they will be handled in the string output routine 321 1.1.1.2.2.2 bouyer */ 322 1.1.1.2.2.2 bouyer 323 1.1.1.2.2.2 bouyer if (!ACPI_IS_PRINT (ByteData[i])) 324 1.1.1.2.2.2 bouyer { 325 1.1.1.2.2.2 bouyer return (FALSE); 326 1.1.1.2.2.2 bouyer } 327 1.1.1.2.2.2 bouyer } 328 1.1.1.2.2.2 bouyer 329 1.1.1.2.2.2 bouyer return (TRUE); 330 1.1.1.2.2.2 bouyer } 331 1.1.1.2.2.2 bouyer 332 1.1.1.2.2.2 bouyer 333 1.1.1.2.2.2 bouyer /******************************************************************************* 334 1.1.1.2.2.2 bouyer * 335 1.1.1.2.2.2 bouyer * FUNCTION: AcpiDmUnicode 336 1.1.1.2.2.2 bouyer * 337 1.1.1.2.2.2 bouyer * PARAMETERS: Op - Byte List op containing Unicode string 338 1.1.1.2.2.2 bouyer * 339 1.1.1.2.2.2 bouyer * RETURN: None 340 1.1.1.2.2.2 bouyer * 341 1.1.1.2.2.2 bouyer * DESCRIPTION: Dump Unicode string as a standard ASCII string. (Remove 342 1.1.1.2.2.2 bouyer * the extra zero bytes). 343 1.1.1.2.2.2 bouyer * 344 1.1.1.2.2.2 bouyer ******************************************************************************/ 345 1.1.1.2.2.2 bouyer 346 1.1.1.2.2.2 bouyer static void 347 1.1.1.2.2.2 bouyer AcpiDmUnicode ( 348 1.1.1.2.2.2 bouyer ACPI_PARSE_OBJECT *Op) 349 1.1.1.2.2.2 bouyer { 350 1.1.1.2.2.2 bouyer UINT16 *WordData; 351 1.1.1.2.2.2 bouyer UINT32 WordCount; 352 1.1.1.2.2.2 bouyer UINT32 i; 353 1.1.1.2.2.2 bouyer 354 1.1.1.2.2.2 bouyer 355 1.1.1.2.2.2 bouyer /* Extract the buffer info as a WORD buffer */ 356 1.1.1.2.2.2 bouyer 357 1.1.1.2.2.2 bouyer WordData = ACPI_CAST_PTR (UINT16, Op->Named.Data); 358 1.1.1.2.2.2 bouyer WordCount = ACPI_DIV_2 (((UINT32) Op->Common.Value.Integer)); 359 1.1.1.2.2.2 bouyer 360 1.1.1.2.2.2 bouyer 361 1.1.1.2.2.2 bouyer AcpiOsPrintf ("\""); 362 1.1.1.2.2.2 bouyer 363 1.1.1.2.2.2 bouyer /* Write every other byte as an ASCII character */ 364 1.1.1.2.2.2 bouyer 365 1.1.1.2.2.2 bouyer for (i = 0; i < (WordCount - 1); i++) 366 1.1.1.2.2.2 bouyer { 367 1.1.1.2.2.2 bouyer AcpiOsPrintf ("%c", (int) WordData[i]); 368 1.1.1.2.2.2 bouyer } 369 1.1.1.2.2.2 bouyer 370 1.1.1.2.2.2 bouyer AcpiOsPrintf ("\")"); 371 1.1.1.2.2.2 bouyer } 372 1.1.1.2.2.2 bouyer 373 1.1.1.2.2.2 bouyer 374 1.1.1.2.2.2 bouyer /******************************************************************************* 375 1.1.1.2.2.2 bouyer * 376 1.1.1.2.2.2 bouyer * FUNCTION: AcpiDmIsEisaIdElement 377 1.1.1.2.2.2 bouyer * 378 1.1.1.2.2.2 bouyer * PARAMETERS: Op - Op to be examined 379 1.1.1.2.2.2 bouyer * 380 1.1.1.2.2.2 bouyer * RETURN: None 381 1.1.1.2.2.2 bouyer * 382 1.1.1.2.2.2 bouyer * DESCRIPTION: Determine if an Op (argument to _HID or _CID) can be converted 383 1.1.1.2.2.2 bouyer * to an EISA ID. 384 1.1.1.2.2.2 bouyer * 385 1.1.1.2.2.2 bouyer ******************************************************************************/ 386 1.1.1.2.2.2 bouyer 387 1.1.1.2.2.2 bouyer static void 388 1.1.1.2.2.2 bouyer AcpiDmIsEisaIdElement ( 389 1.1.1.2.2.2 bouyer ACPI_PARSE_OBJECT *Op) 390 1.1.1.2.2.2 bouyer { 391 1.1.1.2.2.2 bouyer UINT32 BigEndianId; 392 1.1.1.2.2.2 bouyer UINT32 Prefix[3]; 393 1.1.1.2.2.2 bouyer UINT32 i; 394 1.1.1.2.2.2 bouyer 395 1.1.1.2.2.2 bouyer 396 1.1.1.2.2.2 bouyer /* The parameter must be either a word or a dword */ 397 1.1.1.2.2.2 bouyer 398 1.1.1.2.2.2 bouyer if ((Op->Common.AmlOpcode != AML_DWORD_OP) && 399 1.1.1.2.2.2 bouyer (Op->Common.AmlOpcode != AML_WORD_OP)) 400 1.1.1.2.2.2 bouyer { 401 1.1.1.2.2.2 bouyer return; 402 1.1.1.2.2.2 bouyer } 403 1.1.1.2.2.2 bouyer 404 1.1.1.2.2.2 bouyer /* Swap from little-endian to big-endian to simplify conversion */ 405 1.1.1.2.2.2 bouyer 406 1.1.1.2.2.2 bouyer BigEndianId = AcpiUtDwordByteSwap ((UINT32) Op->Common.Value.Integer); 407 1.1.1.2.2.2 bouyer 408 1.1.1.2.2.2 bouyer /* Create the 3 leading ASCII letters */ 409 1.1.1.2.2.2 bouyer 410 1.1.1.2.2.2 bouyer Prefix[0] = ((BigEndianId >> 26) & 0x1F) + 0x40; 411 1.1.1.2.2.2 bouyer Prefix[1] = ((BigEndianId >> 21) & 0x1F) + 0x40; 412 1.1.1.2.2.2 bouyer Prefix[2] = ((BigEndianId >> 16) & 0x1F) + 0x40; 413 1.1.1.2.2.2 bouyer 414 1.1.1.2.2.2 bouyer /* Verify that all 3 are ascii and alpha */ 415 1.1.1.2.2.2 bouyer 416 1.1.1.2.2.2 bouyer for (i = 0; i < 3; i++) 417 1.1.1.2.2.2 bouyer { 418 1.1.1.2.2.2 bouyer if (!ACPI_IS_ASCII (Prefix[i]) || 419 1.1.1.2.2.2 bouyer !ACPI_IS_ALPHA (Prefix[i])) 420 1.1.1.2.2.2 bouyer { 421 1.1.1.2.2.2 bouyer return; 422 1.1.1.2.2.2 bouyer } 423 1.1.1.2.2.2 bouyer } 424 1.1.1.2.2.2 bouyer 425 1.1.1.2.2.2 bouyer /* OK - mark this node as convertable to an EISA ID */ 426 1.1.1.2.2.2 bouyer 427 1.1.1.2.2.2 bouyer Op->Common.DisasmOpcode = ACPI_DASM_EISAID; 428 1.1.1.2.2.2 bouyer } 429 1.1.1.2.2.2 bouyer 430 1.1.1.2.2.2 bouyer 431 1.1.1.2.2.2 bouyer /******************************************************************************* 432 1.1.1.2.2.2 bouyer * 433 1.1.1.2.2.2 bouyer * FUNCTION: AcpiDmIsEisaId 434 1.1.1.2.2.2 bouyer * 435 1.1.1.2.2.2 bouyer * PARAMETERS: Op - Op to be examined 436 1.1.1.2.2.2 bouyer * 437 1.1.1.2.2.2 bouyer * RETURN: None 438 1.1.1.2.2.2 bouyer * 439 1.1.1.2.2.2 bouyer * DESCRIPTION: Determine if a Name() Op can be converted to an EisaId. 440 1.1.1.2.2.2 bouyer * 441 1.1.1.2.2.2 bouyer ******************************************************************************/ 442 1.1.1.2.2.2 bouyer 443 1.1.1.2.2.2 bouyer void 444 1.1.1.2.2.2 bouyer AcpiDmIsEisaId ( 445 1.1.1.2.2.2 bouyer ACPI_PARSE_OBJECT *Op) 446 1.1.1.2.2.2 bouyer { 447 1.1.1.2.2.2 bouyer UINT32 Name; 448 1.1.1.2.2.2 bouyer ACPI_PARSE_OBJECT *NextOp; 449 1.1.1.2.2.2 bouyer 450 1.1.1.2.2.2 bouyer 451 1.1.1.2.2.2 bouyer /* Get the NameSegment */ 452 1.1.1.2.2.2 bouyer 453 1.1.1.2.2.2 bouyer Name = AcpiPsGetName (Op); 454 1.1.1.2.2.2 bouyer if (!Name) 455 1.1.1.2.2.2 bouyer { 456 1.1.1.2.2.2 bouyer return; 457 1.1.1.2.2.2 bouyer } 458 1.1.1.2.2.2 bouyer 459 1.1.1.2.2.2 bouyer NextOp = AcpiPsGetDepthNext (NULL, Op); 460 1.1.1.2.2.2 bouyer if (!NextOp) 461 1.1.1.2.2.2 bouyer { 462 1.1.1.2.2.2 bouyer return; 463 1.1.1.2.2.2 bouyer } 464 1.1.1.2.2.2 bouyer 465 1.1.1.2.2.2 bouyer /* Check for _HID - has one argument */ 466 1.1.1.2.2.2 bouyer 467 1.1.1.2.2.2 bouyer if (ACPI_COMPARE_NAME (&Name, METHOD_NAME__HID)) 468 1.1.1.2.2.2 bouyer { 469 1.1.1.2.2.2 bouyer AcpiDmIsEisaIdElement (NextOp); 470 1.1.1.2.2.2 bouyer return; 471 1.1.1.2.2.2 bouyer } 472 1.1.1.2.2.2 bouyer 473 1.1.1.2.2.2 bouyer /* Exit if not _CID */ 474 1.1.1.2.2.2 bouyer 475 1.1.1.2.2.2 bouyer if (!ACPI_COMPARE_NAME (&Name, METHOD_NAME__CID)) 476 1.1.1.2.2.2 bouyer { 477 1.1.1.2.2.2 bouyer return; 478 1.1.1.2.2.2 bouyer } 479 1.1.1.2.2.2 bouyer 480 1.1.1.2.2.2 bouyer /* _CID can contain a single argument or a package */ 481 1.1.1.2.2.2 bouyer 482 1.1.1.2.2.2 bouyer if (NextOp->Common.AmlOpcode != AML_PACKAGE_OP) 483 1.1.1.2.2.2 bouyer { 484 1.1.1.2.2.2 bouyer AcpiDmIsEisaIdElement (NextOp); 485 1.1.1.2.2.2 bouyer return; 486 1.1.1.2.2.2 bouyer } 487 1.1.1.2.2.2 bouyer 488 1.1.1.2.2.2 bouyer /* _CID with Package: get the package length */ 489 1.1.1.2.2.2 bouyer 490 1.1.1.2.2.2 bouyer NextOp = AcpiPsGetDepthNext (NULL, NextOp); 491 1.1.1.2.2.2 bouyer 492 1.1.1.2.2.2 bouyer /* Don't need to use the length, just walk the peer list */ 493 1.1.1.2.2.2 bouyer 494 1.1.1.2.2.2 bouyer NextOp = NextOp->Common.Next; 495 1.1.1.2.2.2 bouyer while (NextOp) 496 1.1.1.2.2.2 bouyer { 497 1.1.1.2.2.2 bouyer AcpiDmIsEisaIdElement (NextOp); 498 1.1.1.2.2.2 bouyer NextOp = NextOp->Common.Next; 499 1.1.1.2.2.2 bouyer } 500 1.1.1.2.2.2 bouyer } 501 1.1.1.2.2.2 bouyer 502 1.1.1.2.2.2 bouyer 503 1.1.1.2.2.2 bouyer /******************************************************************************* 504 1.1.1.2.2.2 bouyer * 505 1.1.1.2.2.2 bouyer * FUNCTION: AcpiDmEisaId 506 1.1.1.2.2.2 bouyer * 507 1.1.1.2.2.2 bouyer * PARAMETERS: EncodedId - Raw encoded EISA ID. 508 1.1.1.2.2.2 bouyer * 509 1.1.1.2.2.2 bouyer * RETURN: None 510 1.1.1.2.2.2 bouyer * 511 1.1.1.2.2.2 bouyer * DESCRIPTION: Convert an encoded EISAID back to the original ASCII String. 512 1.1.1.2.2.2 bouyer * 513 1.1.1.2.2.2 bouyer ******************************************************************************/ 514 1.1.1.2.2.2 bouyer 515 1.1.1.2.2.2 bouyer void 516 1.1.1.2.2.2 bouyer AcpiDmEisaId ( 517 1.1.1.2.2.2 bouyer UINT32 EncodedId) 518 1.1.1.2.2.2 bouyer { 519 1.1.1.2.2.2 bouyer UINT32 BigEndianId; 520 1.1.1.2.2.2 bouyer 521 1.1.1.2.2.2 bouyer 522 1.1.1.2.2.2 bouyer /* Swap from little-endian to big-endian to simplify conversion */ 523 1.1.1.2.2.2 bouyer 524 1.1.1.2.2.2 bouyer BigEndianId = AcpiUtDwordByteSwap (EncodedId); 525 1.1.1.2.2.2 bouyer 526 1.1.1.2.2.2 bouyer 527 1.1.1.2.2.2 bouyer /* Split to form "AAANNNN" string */ 528 1.1.1.2.2.2 bouyer 529 1.1.1.2.2.2 bouyer AcpiOsPrintf ("EisaId (\"%c%c%c%4.4X\")", 530 1.1.1.2.2.2 bouyer 531 1.1.1.2.2.2 bouyer /* Three Alpha characters (AAA), 5 bits each */ 532 1.1.1.2.2.2 bouyer 533 1.1.1.2.2.2 bouyer (int) ((BigEndianId >> 26) & 0x1F) + 0x40, 534 1.1.1.2.2.2 bouyer (int) ((BigEndianId >> 21) & 0x1F) + 0x40, 535 1.1.1.2.2.2 bouyer (int) ((BigEndianId >> 16) & 0x1F) + 0x40, 536 1.1.1.2.2.2 bouyer 537 1.1.1.2.2.2 bouyer /* Numeric part (NNNN) is simply the lower 16 bits */ 538 1.1.1.2.2.2 bouyer 539 1.1.1.2.2.2 bouyer (UINT32) (BigEndianId & 0xFFFF)); 540 1.1.1.2.2.2 bouyer } 541 1.1.1.2.2.2 bouyer 542 1.1.1.2.2.2 bouyer #endif 543
Indexes created Tue Sep 30 20:09:53 GMT 2025