1/******************************************************************************
2 *
3 * Module Name: aslutils -- compiler utilities
4 *
5 *****************************************************************************/
6
7/******************************************************************************
8 *
9 * 1. Copyright Notice
10 *
11 * Some or all of this work - Copyright (c) 1999 - 2017, 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 <contrib/dev/acpica/compiler/aslcompiler.h>
153#include "aslcompiler.y.h"
154#include <contrib/dev/acpica/include/acdisasm.h>
155#include <contrib/dev/acpica/include/acnamesp.h>
156#include <contrib/dev/acpica/include/amlcode.h>
157#include <contrib/dev/acpica/include/acapps.h>
158#include <sys/stat.h>
159
160
161#define _COMPONENT          ACPI_COMPILER
162        ACPI_MODULE_NAME    ("aslutils")
163
164
165/* Local prototypes */
166
167static void
168UtPadNameWithUnderscores (
169    char                    *NameSeg,
170    char                    *PaddedNameSeg);
171
172static void
173UtAttachNameseg (
174    ACPI_PARSE_OBJECT       *Op,
175    char                    *Name);
176
177
178/*******************************************************************************
179 *
180 * FUNCTION:    UtIsBigEndianMachine
181 *
182 * PARAMETERS:  None
183 *
184 * RETURN:      TRUE if machine is big endian
185 *              FALSE if machine is little endian
186 *
187 * DESCRIPTION: Detect whether machine is little endian or big endian.
188 *
189 ******************************************************************************/
190
191UINT8
192UtIsBigEndianMachine (
193    void)
194{
195    union {
196        UINT32              Integer;
197        UINT8               Bytes[4];
198    } Overlay =                 {0xFF000000};
199
200
201    return (Overlay.Bytes[0]); /* Returns 0xFF (TRUE) for big endian */
202}
203
204
205/******************************************************************************
206 *
207 * FUNCTION:    UtQueryForOverwrite
208 *
209 * PARAMETERS:  Pathname            - Output filename
210 *
211 * RETURN:      TRUE if file does not exist or overwrite is authorized
212 *
213 * DESCRIPTION: Query for file overwrite if it already exists.
214 *
215 ******************************************************************************/
216
217BOOLEAN
218UtQueryForOverwrite (
219    char                    *Pathname)
220{
221    struct stat             StatInfo;
222
223
224    if (!stat (Pathname, &StatInfo))
225    {
226        fprintf (stderr, "Target file \"%s\" already exists, overwrite? [y|n] ",
227            Pathname);
228
229        if (getchar () != 'y')
230        {
231            return (FALSE);
232        }
233    }
234
235    return (TRUE);
236}
237
238
239/*******************************************************************************
240 *
241 * FUNCTION:    UtDisplaySupportedTables
242 *
243 * PARAMETERS:  None
244 *
245 * RETURN:      None
246 *
247 * DESCRIPTION: Print all supported ACPI table names.
248 *
249 ******************************************************************************/
250
251void
252UtDisplaySupportedTables (
253    void)
254{
255    const AH_TABLE          *TableData;
256    UINT32                  i;
257
258
259    printf ("\nACPI tables supported by iASL version %8.8X:\n"
260        "  (Compiler, Disassembler, Template Generator)\n\n",
261        ACPI_CA_VERSION);
262
263    /* All ACPI tables with the common table header */
264
265    printf ("\n  Supported ACPI tables:\n");
266    for (TableData = Gbl_AcpiSupportedTables, i = 1;
267         TableData->Signature; TableData++, i++)
268    {
269        printf ("%8u) %s    %s\n", i,
270            TableData->Signature, TableData->Description);
271    }
272}
273
274
275/*******************************************************************************
276 *
277 * FUNCTION:    UtDisplayConstantOpcodes
278 *
279 * PARAMETERS:  None
280 *
281 * RETURN:      None
282 *
283 * DESCRIPTION: Print AML opcodes that can be used in constant expressions.
284 *
285 ******************************************************************************/
286
287void
288UtDisplayConstantOpcodes (
289    void)
290{
291    UINT32                  i;
292
293
294    printf ("Constant expression opcode information\n\n");
295
296    for (i = 0; i < sizeof (AcpiGbl_AmlOpInfo) / sizeof (ACPI_OPCODE_INFO); i++)
297    {
298        if (AcpiGbl_AmlOpInfo[i].Flags & AML_CONSTANT)
299        {
300            printf ("%s\n", AcpiGbl_AmlOpInfo[i].Name);
301        }
302    }
303}
304
305
306/*******************************************************************************
307 *
308 * FUNCTION:    UtBeginEvent
309 *
310 * PARAMETERS:  Name                - Ascii name of this event
311 *
312 * RETURN:      Event number (integer index)
313 *
314 * DESCRIPTION: Saves the current time with this event
315 *
316 ******************************************************************************/
317
318UINT8
319UtBeginEvent (
320    char                    *Name)
321{
322
323    if (AslGbl_NextEvent >= ASL_NUM_EVENTS)
324    {
325        AcpiOsPrintf ("Ran out of compiler event structs!\n");
326        return (AslGbl_NextEvent);
327    }
328
329    /* Init event with current (start) time */
330
331    AslGbl_Events[AslGbl_NextEvent].StartTime = AcpiOsGetTimer ();
332    AslGbl_Events[AslGbl_NextEvent].EventName = Name;
333    AslGbl_Events[AslGbl_NextEvent].Valid = TRUE;
334    return (AslGbl_NextEvent++);
335}
336
337
338/*******************************************************************************
339 *
340 * FUNCTION:    UtEndEvent
341 *
342 * PARAMETERS:  Event               - Event number (integer index)
343 *
344 * RETURN:      None
345 *
346 * DESCRIPTION: Saves the current time (end time) with this event
347 *
348 ******************************************************************************/
349
350void
351UtEndEvent (
352    UINT8                   Event)
353{
354
355    if (Event >= ASL_NUM_EVENTS)
356    {
357        return;
358    }
359
360    /* Insert end time for event */
361
362    AslGbl_Events[Event].EndTime = AcpiOsGetTimer ();
363}
364
365
366/*******************************************************************************
367 *
368 * FUNCTION:    DbgPrint
369 *
370 * PARAMETERS:  Type                - Type of output
371 *              Fmt                 - Printf format string
372 *              ...                 - variable printf list
373 *
374 * RETURN:      None
375 *
376 * DESCRIPTION: Conditional print statement. Prints to stderr only if the
377 *              debug flag is set.
378 *
379 ******************************************************************************/
380
381void
382DbgPrint (
383    UINT32                  Type,
384    char                    *Fmt,
385    ...)
386{
387    va_list                 Args;
388
389
390    if (!Gbl_DebugFlag)
391    {
392        return;
393    }
394
395    if ((Type == ASL_PARSE_OUTPUT) &&
396        (!(AslCompilerdebug)))
397    {
398        return;
399    }
400
401    va_start (Args, Fmt);
402    (void) vfprintf (stderr, Fmt, Args);
403    va_end (Args);
404    return;
405}
406
407
408/*******************************************************************************
409 *
410 * FUNCTION:    UtSetParseOpName
411 *
412 * PARAMETERS:  Op                  - Parse op to be named.
413 *
414 * RETURN:      None
415 *
416 * DESCRIPTION: Insert the ascii name of the parse opcode
417 *
418 ******************************************************************************/
419
420void
421UtSetParseOpName (
422    ACPI_PARSE_OBJECT       *Op)
423{
424
425    AcpiUtSafeStrncpy (Op->Asl.ParseOpName, UtGetOpName (Op->Asl.ParseOpcode),
426        ACPI_MAX_PARSEOP_NAME);
427}
428
429
430/*******************************************************************************
431 *
432 * FUNCTION:    UtDisplaySummary
433 *
434 * PARAMETERS:  FileID              - ID of outpout file
435 *
436 * RETURN:      None
437 *
438 * DESCRIPTION: Display compilation statistics
439 *
440 ******************************************************************************/
441
442void
443UtDisplaySummary (
444    UINT32                  FileId)
445{
446    UINT32                  i;
447
448
449    if (FileId != ASL_FILE_STDOUT)
450    {
451        /* Compiler name and version number */
452
453        FlPrintFile (FileId, "%s version %X\n\n",
454            ASL_COMPILER_NAME, (UINT32) ACPI_CA_VERSION);
455    }
456
457    /* Summary of main input and output files */
458
459    if (Gbl_FileType == ASL_INPUT_TYPE_ASCII_DATA)
460    {
461        FlPrintFile (FileId,
462            "%-14s %s - %u lines, %u bytes, %u fields\n",
463            "Table Input:",
464            Gbl_Files[ASL_FILE_INPUT].Filename, Gbl_CurrentLineNumber,
465            Gbl_InputByteCount, Gbl_InputFieldCount);
466
467        if ((Gbl_ExceptionCount[ASL_ERROR] == 0) || (Gbl_IgnoreErrors))
468        {
469            FlPrintFile (FileId,
470                "%-14s %s - %u bytes\n",
471                "Binary Output:",
472                Gbl_Files[ASL_FILE_AML_OUTPUT].Filename, Gbl_TableLength);
473        }
474    }
475    else
476    {
477        FlPrintFile (FileId,
478            "%-14s %s - %u lines, %u bytes, %u keywords\n",
479            "ASL Input:",
480            Gbl_Files[ASL_FILE_INPUT].Filename, Gbl_CurrentLineNumber,
481            Gbl_OriginalInputFileSize, TotalKeywords);
482
483        /* AML summary */
484
485        if ((Gbl_ExceptionCount[ASL_ERROR] == 0) || (Gbl_IgnoreErrors))
486        {
487            if (Gbl_Files[ASL_FILE_AML_OUTPUT].Handle)
488            {
489                FlPrintFile (FileId,
490                    "%-14s %s - %u bytes, %u named objects, "
491                    "%u executable opcodes\n",
492                    "AML Output:",
493                    Gbl_Files[ASL_FILE_AML_OUTPUT].Filename,
494                    FlGetFileSize (ASL_FILE_AML_OUTPUT),
495                    TotalNamedObjects, TotalExecutableOpcodes);
496            }
497        }
498    }
499
500    /* Display summary of any optional files */
501
502    for (i = ASL_FILE_SOURCE_OUTPUT; i <= ASL_MAX_FILE_TYPE; i++)
503    {
504        if (!Gbl_Files[i].Filename || !Gbl_Files[i].Handle)
505        {
506            continue;
507        }
508
509        /* .SRC is a temp file unless specifically requested */
510
511        if ((i == ASL_FILE_SOURCE_OUTPUT) && (!Gbl_SourceOutputFlag))
512        {
513            continue;
514        }
515
516        /* .PRE is the preprocessor intermediate file */
517
518        if ((i == ASL_FILE_PREPROCESSOR)  && (!Gbl_KeepPreprocessorTempFile))
519        {
520            continue;
521        }
522
523        FlPrintFile (FileId, "%14s %s - %u bytes\n",
524            Gbl_Files[i].ShortDescription,
525            Gbl_Files[i].Filename, FlGetFileSize (i));
526    }
527
528    /* Error summary */
529
530    FlPrintFile (FileId,
531        "\nCompilation complete. %u Errors, %u Warnings, %u Remarks",
532        Gbl_ExceptionCount[ASL_ERROR],
533        Gbl_ExceptionCount[ASL_WARNING] +
534            Gbl_ExceptionCount[ASL_WARNING2] +
535            Gbl_ExceptionCount[ASL_WARNING3],
536        Gbl_ExceptionCount[ASL_REMARK]);
537
538    if (Gbl_FileType != ASL_INPUT_TYPE_ASCII_DATA)
539    {
540        FlPrintFile (FileId, ", %u Optimizations",
541            Gbl_ExceptionCount[ASL_OPTIMIZATION]);
542
543        if (TotalFolds)
544        {
545            FlPrintFile (FileId, ", %u Constants Folded", TotalFolds);
546        }
547    }
548
549    FlPrintFile (FileId, "\n");
550}
551
552
553/*******************************************************************************
554 *
555 * FUNCTION:    UtCheckIntegerRange
556 *
557 * PARAMETERS:  Op                  - Integer parse node
558 *              LowValue            - Smallest allowed value
559 *              HighValue           - Largest allowed value
560 *
561 * RETURN:      Op if OK, otherwise NULL
562 *
563 * DESCRIPTION: Check integer for an allowable range
564 *
565 ******************************************************************************/
566
567ACPI_PARSE_OBJECT *
568UtCheckIntegerRange (
569    ACPI_PARSE_OBJECT       *Op,
570    UINT32                  LowValue,
571    UINT32                  HighValue)
572{
573
574    if (!Op)
575    {
576        return (NULL);
577    }
578
579    if ((Op->Asl.Value.Integer < LowValue) ||
580        (Op->Asl.Value.Integer > HighValue))
581    {
582        sprintf (MsgBuffer, "0x%X, allowable: 0x%X-0x%X",
583            (UINT32) Op->Asl.Value.Integer, LowValue, HighValue);
584
585        AslError (ASL_ERROR, ASL_MSG_RANGE, Op, MsgBuffer);
586        return (NULL);
587    }
588
589    return (Op);
590}
591
592
593/*******************************************************************************
594 *
595 * FUNCTION:    UtInternalizeName
596 *
597 * PARAMETERS:  ExternalName        - Name to convert
598 *              ConvertedName       - Where the converted name is returned
599 *
600 * RETURN:      Status
601 *
602 * DESCRIPTION: Convert an external (ASL) name to an internal (AML) name
603 *
604 ******************************************************************************/
605
606ACPI_STATUS
607UtInternalizeName (
608    char                    *ExternalName,
609    char                    **ConvertedName)
610{
611    ACPI_NAMESTRING_INFO    Info;
612    ACPI_STATUS             Status;
613
614
615    if (!ExternalName)
616    {
617        return (AE_OK);
618    }
619
620    /* Get the length of the new internal name */
621
622    Info.ExternalName = ExternalName;
623    AcpiNsGetInternalNameLength (&Info);
624
625    /* We need a segment to store the internal name */
626
627    Info.InternalName = UtLocalCacheCalloc (Info.Length);
628
629    /* Build the name */
630
631    Status = AcpiNsBuildInternalName (&Info);
632    if (ACPI_FAILURE (Status))
633    {
634        return (Status);
635    }
636
637    *ConvertedName = Info.InternalName;
638    return (AE_OK);
639}
640
641
642/*******************************************************************************
643 *
644 * FUNCTION:    UtPadNameWithUnderscores
645 *
646 * PARAMETERS:  NameSeg             - Input nameseg
647 *              PaddedNameSeg       - Output padded nameseg
648 *
649 * RETURN:      Padded nameseg.
650 *
651 * DESCRIPTION: Pads a NameSeg with underscores if necessary to form a full
652 *              ACPI_NAME.
653 *
654 ******************************************************************************/
655
656static void
657UtPadNameWithUnderscores (
658    char                    *NameSeg,
659    char                    *PaddedNameSeg)
660{
661    UINT32                  i;
662
663
664    for (i = 0; (i < ACPI_NAME_SIZE); i++)
665    {
666        if (*NameSeg)
667        {
668            *PaddedNameSeg = *NameSeg;
669            NameSeg++;
670        }
671        else
672        {
673            *PaddedNameSeg = '_';
674        }
675
676        PaddedNameSeg++;
677    }
678}
679
680
681/*******************************************************************************
682 *
683 * FUNCTION:    UtAttachNameseg
684 *
685 * PARAMETERS:  Op                  - Parent parse node
686 *              Name                - Full ExternalName
687 *
688 * RETURN:      None; Sets the NameSeg field in parent node
689 *
690 * DESCRIPTION: Extract the last nameseg of the ExternalName and store it
691 *              in the NameSeg field of the Op.
692 *
693 ******************************************************************************/
694
695static void
696UtAttachNameseg (
697    ACPI_PARSE_OBJECT       *Op,
698    char                    *Name)
699{
700    char                    *NameSeg;
701    char                    PaddedNameSeg[4];
702
703
704    if (!Name)
705    {
706        return;
707    }
708
709    /* Look for the last dot in the namepath */
710
711    NameSeg = strrchr (Name, '.');
712    if (NameSeg)
713    {
714        /* Found last dot, we have also found the final nameseg */
715
716        NameSeg++;
717        UtPadNameWithUnderscores (NameSeg, PaddedNameSeg);
718    }
719    else
720    {
721        /* No dots in the namepath, there is only a single nameseg. */
722        /* Handle prefixes */
723
724        while (ACPI_IS_ROOT_PREFIX (*Name) ||
725               ACPI_IS_PARENT_PREFIX (*Name))
726        {
727            Name++;
728        }
729
730        /* Remaining string should be one single nameseg */
731
732        UtPadNameWithUnderscores (Name, PaddedNameSeg);
733    }
734
735    ACPI_MOVE_NAME (Op->Asl.NameSeg, PaddedNameSeg);
736}
737
738
739/*******************************************************************************
740 *
741 * FUNCTION:    UtAttachNamepathToOwner
742 *
743 * PARAMETERS:  Op                  - Parent parse node
744 *              NameOp              - Node that contains the name
745 *
746 * RETURN:      Sets the ExternalName and Namepath in the parent node
747 *
748 * DESCRIPTION: Store the name in two forms in the parent node: The original
749 *              (external) name, and the internalized name that is used within
750 *              the ACPI namespace manager.
751 *
752 ******************************************************************************/
753
754void
755UtAttachNamepathToOwner (
756    ACPI_PARSE_OBJECT       *Op,
757    ACPI_PARSE_OBJECT       *NameOp)
758{
759    ACPI_STATUS             Status;
760
761
762    /* Full external path */
763
764    Op->Asl.ExternalName = NameOp->Asl.Value.String;
765
766    /* Save the NameOp for possible error reporting later */
767
768    Op->Asl.ParentMethod = (void *) NameOp;
769
770    /* Last nameseg of the path */
771
772    UtAttachNameseg (Op, Op->Asl.ExternalName);
773
774    /* Create internalized path */
775
776    Status = UtInternalizeName (NameOp->Asl.Value.String, &Op->Asl.Namepath);
777    if (ACPI_FAILURE (Status))
778    {
779        /* TBD: abort on no memory */
780    }
781}
782
783
784/*******************************************************************************
785 *
786 * FUNCTION:    UtDoConstant
787 *
788 * PARAMETERS:  String              - Hex/Decimal/Octal
789 *
790 * RETURN:      Converted Integer
791 *
792 * DESCRIPTION: Convert a string to an integer, with overflow/error checking.
793 *
794 ******************************************************************************/
795
796UINT64
797UtDoConstant (
798    char                    *String)
799{
800    ACPI_STATUS             Status;
801    UINT64                  ConvertedInteger;
802    char                    ErrBuf[64];
803
804
805    Status = AcpiUtStrtoul64 (String, &ConvertedInteger);
806    if (ACPI_FAILURE (Status))
807    {
808        sprintf (ErrBuf, "While creating 64-bit constant: %s\n",
809            AcpiFormatException (Status));
810
811        AslCommonError (ASL_ERROR, ASL_MSG_SYNTAX, Gbl_CurrentLineNumber,
812            Gbl_LogicalLineNumber, Gbl_CurrentLineOffset,
813            Gbl_CurrentColumn, Gbl_Files[ASL_FILE_INPUT].Filename, ErrBuf);
814    }
815
816    return (ConvertedInteger);
817}
818