1 /****************************************************************************** 2 * 3 * Module Name: cvcompiler - ASL-/ASL+ converter functions 4 * 5 *****************************************************************************/ 6 7 /****************************************************************************** 8 * 9 * 1. Copyright Notice 10 * 11 * Some or all of this work - Copyright (c) 1999 - 2018, Intel Corp. 12 * All rights reserved. 13 * 14 * 2. License 15 * 16 * 2.1. This is your license from Intel Corp. under its intellectual property 17 * rights. You may have additional license terms from the party that provided 18 * you this software, covering your right to use that party's intellectual 19 * property rights. 20 * 21 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a 22 * copy of the source code appearing in this file ("Covered Code") an 23 * irrevocable, perpetual, worldwide license under Intel's copyrights in the 24 * base code distributed originally by Intel ("Original Intel Code") to copy, 25 * make derivatives, distribute, use and display any portion of the Covered 26 * Code in any form, with the right to sublicense such rights; and 27 * 28 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent 29 * license (with the right to sublicense), under only those claims of Intel 30 * patents that are infringed by the Original Intel Code, to make, use, sell, 31 * offer to sell, and import the Covered Code and derivative works thereof 32 * solely to the minimum extent necessary to exercise the above copyright 33 * license, and in no event shall the patent license extend to any additions 34 * to or modifications of the Original Intel Code. No other license or right 35 * is granted directly or by implication, estoppel or otherwise; 36 * 37 * The above copyright and patent license is granted only if the following 38 * conditions are met: 39 * 40 * 3. Conditions 41 * 42 * 3.1. Redistribution of Source with Rights to Further Distribute Source. 43 * Redistribution of source code of any substantial portion of the Covered 44 * Code or modification with rights to further distribute source must include 45 * the above Copyright Notice, the above License, this list of Conditions, 46 * and the following Disclaimer and Export Compliance provision. In addition, 47 * Licensee must cause all Covered Code to which Licensee contributes to 48 * contain a file documenting the changes Licensee made to create that Covered 49 * Code and the date of any change. Licensee must include in that file the 50 * documentation of any changes made by any predecessor Licensee. Licensee 51 * must include a prominent statement that the modification is derived, 52 * directly or indirectly, from Original Intel Code. 53 * 54 * 3.2. Redistribution of Source with no Rights to Further Distribute Source. 55 * Redistribution of source code of any substantial portion of the Covered 56 * Code or modification without rights to further distribute source must 57 * include the following Disclaimer and Export Compliance provision in the 58 * documentation and/or other materials provided with distribution. In 59 * addition, Licensee may not authorize further sublicense of source of any 60 * portion of the Covered Code, and must include terms to the effect that the 61 * license from Licensee to its licensee is limited to the intellectual 62 * property embodied in the software Licensee provides to its licensee, and 63 * not to intellectual property embodied in modifications its licensee may 64 * make. 65 * 66 * 3.3. Redistribution of Executable. Redistribution in executable form of any 67 * substantial portion of the Covered Code or modification must reproduce the 68 * above Copyright Notice, and the following Disclaimer and Export Compliance 69 * provision in the documentation and/or other materials provided with the 70 * distribution. 71 * 72 * 3.4. Intel retains all right, title, and interest in and to the Original 73 * Intel Code. 74 * 75 * 3.5. Neither the name Intel nor any other trademark owned or controlled by 76 * Intel shall be used in advertising or otherwise to promote the sale, use or 77 * other dealings in products derived from or relating to the Covered Code 78 * without prior written authorization from Intel. 79 * 80 * 4. Disclaimer and Export Compliance 81 * 82 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED 83 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE 84 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, 85 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY 86 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY 87 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A 88 * PARTICULAR PURPOSE. 89 * 90 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES 91 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR 92 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, 93 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY 94 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL 95 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS 96 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY 97 * LIMITED REMEDY. 98 * 99 * 4.3. Licensee shall not export, either directly or indirectly, any of this 100 * software or system incorporating such software without first obtaining any 101 * required license or other approval from the U. S. Department of Commerce or 102 * any other agency or department of the United States Government. In the 103 * event Licensee exports any such software from the United States or 104 * re-exports any such software from a foreign destination, Licensee shall 105 * ensure that the distribution and export/re-export of the software is in 106 * compliance with all laws, regulations, orders, or other restrictions of the 107 * U.S. Export Administration Regulations. Licensee agrees that neither it nor 108 * any of its subsidiaries will export/re-export any technical data, process, 109 * software, or service, directly or indirectly, to any country for which the 110 * United States government or any agency thereof requires an export license, 111 * other governmental approval, or letter of assurance, without first obtaining 112 * such license, approval or letter. 113 * 114 ***************************************************************************** 115 * 116 * Alternatively, you may choose to be licensed under the terms of the 117 * following license: 118 * 119 * Redistribution and use in source and binary forms, with or without 120 * modification, are permitted provided that the following conditions 121 * are met: 122 * 1. Redistributions of source code must retain the above copyright 123 * notice, this list of conditions, and the following disclaimer, 124 * without modification. 125 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 126 * substantially similar to the "NO WARRANTY" disclaimer below 127 * ("Disclaimer") and any redistribution must be conditioned upon 128 * including a substantially similar Disclaimer requirement for further 129 * binary redistribution. 130 * 3. Neither the names of the above-listed copyright holders nor the names 131 * of any contributors may be used to endorse or promote products derived 132 * from this software without specific prior written permission. 133 * 134 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 135 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 136 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 137 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 138 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 139 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 140 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 141 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 142 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 143 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 144 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 145 * 146 * Alternatively, you may choose to be licensed under the terms of the 147 * GNU General Public License ("GPL") version 2 as published by the Free 148 * Software Foundation. 149 * 150 *****************************************************************************/ 151 152 #include "aslcompiler.h" 153 #include "acparser.h" 154 #include "amlcode.h" 155 #include "acdebug.h" 156 #include "acconvert.h" 157 158 159 /* Local prototypes */ 160 161 static void 162 CvPrintInclude( 163 ACPI_FILE_NODE *FNode, 164 UINT32 Level); 165 166 static BOOLEAN 167 CvListIsSingleton ( 168 ACPI_COMMENT_NODE *CommentList); 169 170 171 /******************************************************************************* 172 * 173 * FUNCTION: CvPrintOneCommentList 174 * 175 * PARAMETERS: CommentList 176 * Level 177 * 178 * RETURN: None 179 * 180 * DESCRIPTION: Prints all comments within the given list. 181 * This is referred as ASL_CV_PRINT_ONE_COMMENT_LIST. 182 * 183 ******************************************************************************/ 184 185 void 186 CvPrintOneCommentList ( 187 ACPI_COMMENT_NODE *CommentList, 188 UINT32 Level) 189 { 190 ACPI_COMMENT_NODE *Current = CommentList; 191 ACPI_COMMENT_NODE *Previous; 192 193 194 while (Current) 195 { 196 Previous = Current; 197 if (Current->Comment) 198 { 199 AcpiDmIndent(Level); 200 AcpiOsPrintf("%s\n", Current->Comment); 201 Current->Comment = NULL; 202 } 203 204 Current = Current->Next; 205 AcpiOsReleaseObject(AcpiGbl_RegCommentCache, Previous); 206 } 207 } 208 209 210 /******************************************************************************* 211 * 212 * FUNCTION: CvListIsSingleton 213 * 214 * PARAMETERS: CommentList - check to see if this is a single item list. 215 * 216 * RETURN: BOOLEAN 217 * 218 * DESCRIPTION: Returns TRUE if CommentList only contains 1 node. 219 * 220 ******************************************************************************/ 221 222 static BOOLEAN 223 CvListIsSingleton ( 224 ACPI_COMMENT_NODE *CommentList) 225 226 { 227 228 if (!CommentList) 229 { 230 return (FALSE); 231 } 232 else if (CommentList->Next) 233 { 234 return (FALSE); 235 } 236 237 return (TRUE); 238 } 239 240 241 /******************************************************************************* 242 * 243 * FUNCTION: CvPrintOneCommentType 244 * 245 * PARAMETERS: Op 246 * CommentType 247 * EndStr - String to print after printing the comment 248 * Level - indentation level for comment lists. 249 * 250 * RETURN: None 251 * 252 * DESCRIPTION: Prints all comments of CommentType within the given Op and 253 * clears the printed comment from the Op. 254 * This is referred as ASL_CV_PRINT_ONE_COMMENT. 255 * 256 ******************************************************************************/ 257 258 void 259 CvPrintOneCommentType ( 260 ACPI_PARSE_OBJECT *Op, 261 UINT8 CommentType, 262 char* EndStr, 263 UINT32 Level) 264 { 265 BOOLEAN CommentExists = FALSE; 266 char **CommentToPrint = NULL; 267 268 269 switch (CommentType) 270 { 271 case AML_COMMENT_STANDARD: 272 273 if (CvListIsSingleton (Op->Common.CommentList)) 274 { 275 CvPrintOneCommentList (Op->Common.CommentList, Level); 276 AcpiOsPrintf ("\n"); 277 } 278 else 279 { 280 CvPrintOneCommentList (Op->Common.CommentList, Level); 281 } 282 283 Op->Common.CommentList = NULL; 284 return; 285 286 case AML_COMMENT_ENDBLK: 287 288 if (Op->Common.EndBlkComment) 289 { 290 CvPrintOneCommentList (Op->Common.EndBlkComment, Level); 291 Op->Common.EndBlkComment = NULL; 292 AcpiDmIndent(Level); 293 } 294 return; 295 296 case AMLCOMMENT_INLINE: 297 298 CommentToPrint = &Op->Common.InlineComment; 299 break; 300 301 case AML_COMMENT_END_NODE: 302 303 CommentToPrint = &Op->Common.EndNodeComment; 304 break; 305 306 case AML_NAMECOMMENT: 307 308 CommentToPrint = &Op->Common.NameComment; 309 break; 310 311 case AML_COMMENT_CLOSE_BRACE: 312 313 CommentToPrint = &Op->Common.CloseBraceComment; 314 break; 315 316 default: 317 return; 318 } 319 320 if (*CommentToPrint) 321 { 322 CommentExists = TRUE; 323 AcpiOsPrintf ("%s", *CommentToPrint); 324 *CommentToPrint = NULL; 325 } 326 327 if (CommentExists && EndStr) 328 { 329 AcpiOsPrintf ("%s", EndStr); 330 } 331 } 332 333 334 /******************************************************************************* 335 * 336 * FUNCTION: CvCloseBraceWriteComment 337 * 338 * PARAMETERS: Op 339 * Level 340 * 341 * RETURN: None 342 * 343 * DESCRIPTION: Print a close brace } and any open brace comments associated 344 * with this parse object. 345 * This is referred as ASL_CV_CLOSE_BRACE. 346 * 347 ******************************************************************************/ 348 349 void 350 CvCloseBraceWriteComment( 351 ACPI_PARSE_OBJECT *Op, 352 UINT32 Level) 353 { 354 355 if (!AcpiGbl_CaptureComments) 356 { 357 AcpiOsPrintf ("}"); 358 return; 359 } 360 361 CvPrintOneCommentType (Op, AML_COMMENT_ENDBLK, NULL, Level); 362 AcpiOsPrintf ("}"); 363 CvPrintOneCommentType (Op, AML_COMMENT_CLOSE_BRACE, NULL, Level); 364 } 365 366 367 /******************************************************************************* 368 * 369 * FUNCTION: CvCloseParenWriteComment 370 * 371 * PARAMETERS: Op 372 * Level 373 * 374 * RETURN: None 375 * 376 * DESCRIPTION: Print a closing paren ) and any end node comments associated 377 * with this parse object. 378 * This is referred as ASL_CV_CLOSE_PAREN. 379 * 380 ******************************************************************************/ 381 382 void 383 CvCloseParenWriteComment( 384 ACPI_PARSE_OBJECT *Op, 385 UINT32 Level) 386 { 387 388 if (!AcpiGbl_CaptureComments) 389 { 390 AcpiOsPrintf (")"); 391 return; 392 } 393 394 /* 395 * If this op has a BLOCK_BRACE, then output the comment when the 396 * disassembler calls CvCloseBraceWriteComment 397 */ 398 if (AcpiDmBlockType (Op) == BLOCK_PAREN) 399 { 400 CvPrintOneCommentType (Op, AML_COMMENT_ENDBLK, NULL, Level); 401 } 402 403 AcpiOsPrintf (")"); 404 405 if (Op->Common.EndNodeComment) 406 { 407 CvPrintOneCommentType (Op, AML_COMMENT_END_NODE, NULL, Level); 408 } 409 else if ((Op->Common.Parent->Common.AmlOpcode == AML_IF_OP) && 410 Op->Common.Parent->Common.EndNodeComment) 411 { 412 CvPrintOneCommentType (Op->Common.Parent, 413 AML_COMMENT_END_NODE, NULL, Level); 414 } 415 } 416 417 418 /******************************************************************************* 419 * 420 * FUNCTION: CvFileHasSwitched 421 * 422 * PARAMETERS: Op 423 * 424 * RETURN: BOOLEAN 425 * 426 * DESCRIPTION: Determine whether if a file has switched. 427 * TRUE - file has switched. 428 * FALSE - file has not switched. 429 * This is referred as ASL_CV_FILE_HAS_SWITCHED. 430 * 431 ******************************************************************************/ 432 433 BOOLEAN 434 CvFileHasSwitched( 435 ACPI_PARSE_OBJECT *Op) 436 { 437 438 if (Op->Common.CvFilename && 439 AcpiGbl_CurrentFilename && 440 AcpiUtStricmp(Op->Common.CvFilename, AcpiGbl_CurrentFilename)) 441 { 442 return (TRUE); 443 } 444 445 return (FALSE); 446 } 447 448 449 /******************************************************************************* 450 * 451 * FUNCTION: CvPrintInclude 452 * 453 * PARAMETERS: FNode - Write an Include statement for the file that is pointed 454 * by FNode->File. 455 * Level - indentation level 456 * 457 * RETURN: None 458 * 459 * DESCRIPTION: Write the ASL Include statement for FNode->File in the file 460 * indicated by FNode->Parent->File. Note this function emits 461 * actual ASL code rather than comments. This switches the output 462 * file to FNode->Parent->File. 463 * 464 ******************************************************************************/ 465 466 static void 467 CvPrintInclude( 468 ACPI_FILE_NODE *FNode, 469 UINT32 Level) 470 { 471 472 if (!FNode || FNode->IncludeWritten) 473 { 474 return; 475 } 476 477 CvDbgPrint ("Writing include for %s within %s\n", 478 FNode->Filename, FNode->Parent->Filename); 479 AcpiOsRedirectOutput (FNode->Parent->File); 480 CvPrintOneCommentList (FNode->IncludeComment, Level); 481 482 AcpiDmIndent (Level); 483 AcpiOsPrintf ("Include (\"%s\")\n", FNode->Filename); 484 CvDbgPrint ("emitted the following: Include (\"%s\")\n", 485 FNode->Filename); 486 FNode->IncludeWritten = TRUE; 487 } 488 489 490 /******************************************************************************* 491 * 492 * FUNCTION: CvSwitchFiles 493 * 494 * PARAMETERS: Level - indentation level 495 * Op 496 * 497 * RETURN: None 498 * 499 * DESCRIPTION: Switch the outputfile and write ASL Include statement. Note, 500 * this function emits actual ASL code rather than comments. 501 * This is referred as ASL_CV_SWITCH_FILES. 502 * 503 ******************************************************************************/ 504 505 void 506 CvSwitchFiles( 507 UINT32 Level, 508 ACPI_PARSE_OBJECT *Op) 509 { 510 char *Filename = Op->Common.CvFilename; 511 ACPI_FILE_NODE *FNode; 512 ACPI_FILE_NODE *Current; 513 514 515 CvDbgPrint ("Switching from %s to %s\n", AcpiGbl_CurrentFilename, 516 Filename); 517 FNode = CvFilenameExists (Filename, AcpiGbl_FileTreeRoot); 518 if (!FNode) 519 { 520 /* 521 * At this point, each Filename should exist in AcpiGbl_FileTreeRoot 522 * if it does not exist, then abort. 523 */ 524 FlDeleteFile (ASL_FILE_AML_OUTPUT); 525 sprintf (MsgBuffer, "\"Cannot find %s\" - %s", 526 Filename, strerror (errno)); 527 AslCommonError (ASL_ERROR, ASL_MSG_OPEN, 0, 0, 0, 0, 528 NULL, MsgBuffer); 529 AslAbort (); 530 } 531 532 Current = FNode; 533 534 /* 535 * If the previous file is a descendent of the current file, 536 * make sure that Include statements from the current file 537 * to the previous have been emitted. 538 */ 539 while (Current && 540 Current->Parent && 541 AcpiUtStricmp (Current->Filename, AcpiGbl_CurrentFilename)) 542 { 543 CvPrintInclude (Current, Level); 544 Current = Current->Parent; 545 } 546 547 /* Redirect output to Op->Common.CvFilename */ 548 549 AcpiOsRedirectOutput (FNode->File); 550 AcpiGbl_CurrentFilename = FNode->Filename; 551 } 552