1 /******************************************************************************
3 * Module Name: dtcompile.c - Front-end for data table compiler
5 *****************************************************************************/
7 /******************************************************************************
11 * Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp.
12 * All rights reserved.
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
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
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;
37 * The above copyright and patent license is granted only if the following
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.
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
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
72 * 3.4. Intel retains all right, title, and interest in and to the Original
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.
80 * 4. Disclaimer and Export Compliance
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
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
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.
114 *****************************************************************************/
116 #define __DTCOMPILE_C__
117 #define _DECLARE_DT_GLOBALS
119 #include <contrib/dev/acpica/compiler/aslcompiler.h>
120 #include <contrib/dev/acpica/compiler/dtcompiler.h>
122 #define _COMPONENT DT_COMPILER
123 ACPI_MODULE_NAME ("dtcompile")
125 static char VersionString[9];
128 /* Local prototypes */
139 DtInsertCompilerIds (
140 DT_FIELD *FieldList);
143 /******************************************************************************
145 * FUNCTION: DtDoCompile
151 * DESCRIPTION: Main entry point for the data table compiler.
153 * Note: Assumes Gbl_Files[ASL_FILE_INPUT] is initialized and the file is
154 * open at seek offset zero.
156 *****************************************************************************/
167 /* Initialize globals */
172 * Scan the input file (file is already open) and
173 * build the parse tree
175 Event = UtBeginEvent ("Scan and parse input file");
176 FieldList = DtScanFile (Gbl_Files[ASL_FILE_INPUT].Handle);
179 /* Did the parse tree get successfully constructed? */
183 /* TBD: temporary error message. Msgs should come from function above */
185 DtError (ASL_ERROR, ASL_MSG_SYNTAX, NULL,
186 "Input file does not appear to be an ASL or data table source file");
192 Event = UtBeginEvent ("Compile parse tree");
195 * Compile the parse tree
197 Status = DtCompileDataTable (&FieldList);
202 if (ACPI_FAILURE (Status))
204 /* TBD: temporary error message. Msgs should come from function above */
206 DtError (ASL_ERROR, ASL_MSG_SYNTAX, NULL,
207 "Could not compile input file");
212 /* Create/open the binary output file */
214 Gbl_Files[ASL_FILE_AML_OUTPUT].Filename = NULL;
215 Status = FlOpenAmlOutputFile (Gbl_OutputFilenamePrefix);
216 if (ACPI_FAILURE (Status))
221 /* Write the binary, then the optional hex file */
223 DtOutputBinary (Gbl_RootTable);
233 /******************************************************************************
235 * FUNCTION: DtInitialize
241 * DESCRIPTION: Initialize data table compiler globals. Enables multiple
242 * compiles per invocation.
244 *****************************************************************************/
252 AcpiUtInitGlobals ();
254 Gbl_FieldList = NULL;
255 Gbl_RootTable = NULL;
256 Gbl_SubtableStack = NULL;
258 sprintf (VersionString, "%X", (UINT32) ACPI_CA_VERSION);
262 /******************************************************************************
264 * FUNCTION: DtInsertCompilerIds
266 * PARAMETERS: FieldList - Current field list pointer
270 * DESCRIPTION: Insert the IDs (Name, Version) of the current compiler into
271 * the original ACPI table header.
273 *****************************************************************************/
276 DtInsertCompilerIds (
284 * Don't insert current compiler ID if requested. Used for compiler
285 * debug/validation only.
287 if (Gbl_UseOriginalCompilerId)
292 /* Walk to the Compiler fields at the end of the header */
295 for (i = 0; i < 7; i++)
300 Next->Value = CompilerCreatorId;
301 Next->Flags = DT_FIELD_NOT_ALLOCATED;
304 Next->Value = VersionString;
305 Next->Flags = DT_FIELD_NOT_ALLOCATED;
309 /******************************************************************************
311 * FUNCTION: DtCompileDataTable
313 * PARAMETERS: FieldList - Current field list pointer
317 * DESCRIPTION: Entry point to compile one data table
319 *****************************************************************************/
323 DT_FIELD **FieldList)
325 ACPI_DMTABLE_DATA *TableData;
326 DT_SUBTABLE *Subtable;
328 ACPI_TABLE_HEADER *AcpiTableHeader;
332 /* Verify that we at least have a table signature and save it */
334 Signature = DtGetFieldValue (*FieldList, "Signature");
337 sprintf (MsgBuffer, "Expected \"%s\"", "Signature");
338 DtNameError (ASL_ERROR, ASL_MSG_INVALID_FIELD_NAME,
339 *FieldList, MsgBuffer);
343 Gbl_Signature = UtLocalCalloc (ACPI_STRLEN (Signature) + 1);
344 strcpy (Gbl_Signature, Signature);
347 * Handle tables that don't use the common ACPI table header structure.
348 * Currently, these are the FACS and RSDP. Also check for an OEMx table,
349 * these tables have user-defined contents.
351 if (ACPI_COMPARE_NAME (Signature, ACPI_SIG_FACS))
353 Status = DtCompileFacs (FieldList);
354 if (ACPI_FAILURE (Status))
362 else if (ACPI_COMPARE_NAME (Signature, ACPI_SIG_RSDP))
364 Status = DtCompileRsdp (FieldList);
367 else if (!ACPI_STRNCMP (Signature, "OEM", 3))
369 DtFatal (ASL_MSG_OEM_TABLE, *FieldList, Signature);
373 /* Validate the signature via the ACPI table list */
375 TableData = AcpiDmGetTableData (Signature);
378 DtFatal (ASL_MSG_UNKNOWN_TABLE, *FieldList, Signature);
383 * All other tables must use the common ACPI table header. Insert the
384 * current iASL IDs (name, version), and compile the header now.
386 DtInsertCompilerIds (*FieldList);
388 Status = DtCompileTable (FieldList, AcpiDmTableInfoHeader,
389 &Gbl_RootTable, TRUE);
390 if (ACPI_FAILURE (Status))
395 DtPushSubtable (Gbl_RootTable);
397 /* Dispatch to per-table compile */
399 if (TableData->CmTableHandler)
401 /* Complex table, has a handler */
403 Status = TableData->CmTableHandler ((void **) FieldList);
404 if (ACPI_FAILURE (Status))
409 else if (TableData->TableInfo)
411 /* Simple table, just walk the info table */
414 Status = DtCompileTable (FieldList, TableData->TableInfo,
416 if (ACPI_FAILURE (Status))
421 DtInsertSubtable (Gbl_RootTable, Subtable);
426 DtFatal (ASL_MSG_COMPILER_INTERNAL, *FieldList,
427 "Missing table dispatch info");
431 /* Set the final table length and then the checksum */
434 AcpiTableHeader = ACPI_CAST_PTR (
435 ACPI_TABLE_HEADER, Gbl_RootTable->Buffer);
436 DtSetTableChecksum (&AcpiTableHeader->Checksum);
442 /******************************************************************************
444 * FUNCTION: DtCompileTable
446 * PARAMETERS: Field - Current field list pointer
447 * Info - Info table for this ACPI table
448 * RetSubtable - Compile result of table
449 * Required - If this subtable must exist
453 * DESCRIPTION: Compile a subtable
455 *****************************************************************************/
460 ACPI_DMTABLE_INFO *Info,
461 DT_SUBTABLE **RetSubtable,
464 DT_FIELD *LocalField;
466 DT_SUBTABLE *Subtable;
467 DT_SUBTABLE *InlineSubtable;
468 UINT32 FieldLength = 0;
471 UINT8 *FlagBuffer = NULL;
475 if (!Field || !*Field)
477 return (AE_BAD_PARAMETER);
480 Length = DtGetSubtableLength (*Field, Info);
481 Subtable = UtLocalCalloc (sizeof (DT_SUBTABLE));
483 Subtable->Buffer = UtLocalCalloc (Length);
484 Subtable->Length = Length;
485 Subtable->TotalLength = Length;
486 Buffer = Subtable->Buffer;
491 * Main loop walks the info table for this ACPI table or subtable
493 for (; Info->Name; Info++)
497 sprintf (MsgBuffer, "Found NULL field - Field name \"%s\" needed",
499 DtFatal (ASL_MSG_COMPILER_INTERNAL, NULL, MsgBuffer);
500 Status = AE_BAD_DATA;
504 /* Does input field name match what is expected? */
506 if (ACPI_STRCMP (LocalField->Name, Info->Name))
509 * If Required = TRUE, the subtable must exist.
510 * If Required = FALSE, the subtable is optional
511 * (For example, AcpiDmTableInfoDmarScope in DMAR table is
516 sprintf (MsgBuffer, "Expected \"%s\"", Info->Name);
517 DtNameError (ASL_ERROR, ASL_MSG_INVALID_FIELD_NAME,
518 LocalField, MsgBuffer);
522 Status = AE_NOT_FOUND;
527 FieldLength = DtGetFieldLength (LocalField, Info);
528 FieldType = DtGetFieldType (Info);
529 Gbl_InputFieldCount++;
533 case DT_FIELD_TYPE_FLAGS_INTEGER:
535 * Start of the definition of a flags field.
536 * This master flags integer starts at value zero, in preparation
537 * to compile and insert the flag fields from the individual bits
539 LocalField = LocalField->Next;
545 case DT_FIELD_TYPE_FLAG:
547 /* Individual Flag field, can be multiple bits */
551 DtCompileFlag (FlagBuffer, LocalField, Info);
555 /* TBD - this is an internal error */
558 LocalField = LocalField->Next;
562 case DT_FIELD_TYPE_INLINE_SUBTABLE:
564 * Recursion (one level max): compile GAS (Generic Address)
565 * or Notify in-line subtable
567 LocalField = LocalField->Next;
570 if (Info->Opcode == ACPI_DMT_GAS)
572 Status = DtCompileTable (Field, AcpiDmTableInfoGas,
573 &InlineSubtable, TRUE);
577 Status = DtCompileTable (Field, AcpiDmTableInfoHestNotify,
578 &InlineSubtable, TRUE);
581 if (ACPI_FAILURE (Status))
586 DtSetSubtableLength (InlineSubtable);
588 ACPI_MEMCPY (Buffer, InlineSubtable->Buffer, FieldLength);
589 ACPI_FREE (InlineSubtable->Buffer);
590 ACPI_FREE (InlineSubtable);
596 /* Normal case for most field types (Integer, String, etc.) */
598 DtCompileOneField (Buffer, LocalField,
599 FieldLength, FieldType, Info->Flags);
600 LocalField = LocalField->Next;
602 if (Info->Flags & DT_LENGTH)
604 /* Field is an Integer that will contain a subtable length */
606 Subtable->LengthField = Buffer;
607 Subtable->SizeOfLengthField = FieldLength;
612 Buffer += FieldLength;
616 *RetSubtable = Subtable;
620 ACPI_FREE (Subtable->Buffer);
621 ACPI_FREE (Subtable);