xref: /haiku/src/add-ons/kernel/bus_managers/acpi/acpica/components/resources/rscreate.c (revision 6c4a44e36ba846c54467103f884d65dfa13e7fcb)
1  /*******************************************************************************
2   *
3   * Module Name: rscreate - Create resource lists/tables
4   *
5   ******************************************************************************/
6  
7  /******************************************************************************
8   *
9   * 1. Copyright Notice
10   *
11   * Some or all of this work - Copyright (c) 1999 - 2012, 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  #define __RSCREATE_C__
117  
118  #include "acpi.h"
119  #include "accommon.h"
120  #include "acresrc.h"
121  #include "acnamesp.h"
122  
123  #define _COMPONENT          ACPI_RESOURCES
124          ACPI_MODULE_NAME    ("rscreate")
125  
126  
127  /*******************************************************************************
128   *
129   * FUNCTION:    AcpiBufferToResource
130   *
131   * PARAMETERS:  AmlBuffer           - Pointer to the resource byte stream
132   *              AmlBufferLength     - Length of the AmlBuffer
133   *              ResourcePtr         - Where the converted resource is returned
134   *
135   * RETURN:      Status
136   *
137   * DESCRIPTION: Convert a raw AML buffer to a resource list
138   *
139   ******************************************************************************/
140  
141  ACPI_STATUS
142  AcpiBufferToResource (
143      UINT8                   *AmlBuffer,
144      UINT16                  AmlBufferLength,
145      ACPI_RESOURCE           **ResourcePtr)
146  {
147      ACPI_STATUS             Status;
148      ACPI_SIZE               ListSizeNeeded;
149      void                    *Resource;
150      void                    *CurrentResourcePtr;
151  
152      /*
153       * Note: we allow AE_AML_NO_RESOURCE_END_TAG, since an end tag
154       * is not required here.
155       */
156  
157      /* Get the required length for the converted resource */
158  
159      Status = AcpiRsGetListLength (AmlBuffer, AmlBufferLength,
160                  &ListSizeNeeded);
161      if (Status == AE_AML_NO_RESOURCE_END_TAG)
162      {
163          Status = AE_OK;
164      }
165      if (ACPI_FAILURE (Status))
166      {
167          return (Status);
168      }
169  
170      /* Allocate a buffer for the converted resource */
171  
172      Resource = ACPI_ALLOCATE_ZEROED (ListSizeNeeded);
173      CurrentResourcePtr = Resource;
174      if (!Resource)
175      {
176          return (AE_NO_MEMORY);
177      }
178  
179      /* Perform the AML-to-Resource conversion */
180  
181      Status = AcpiUtWalkAmlResources (AmlBuffer, AmlBufferLength,
182                  AcpiRsConvertAmlToResources, &CurrentResourcePtr);
183      if (Status == AE_AML_NO_RESOURCE_END_TAG)
184      {
185          Status = AE_OK;
186      }
187      if (ACPI_FAILURE (Status))
188      {
189          ACPI_FREE (Resource);
190      }
191      else
192      {
193          *ResourcePtr = Resource;
194      }
195  
196      return (Status);
197  }
198  
199  
200  /*******************************************************************************
201   *
202   * FUNCTION:    AcpiRsCreateResourceList
203   *
204   * PARAMETERS:  AmlBuffer           - Pointer to the resource byte stream
205   *              OutputBuffer        - Pointer to the user's buffer
206   *
207   * RETURN:      Status: AE_OK if okay, else a valid ACPI_STATUS code
208   *              If OutputBuffer is not large enough, OutputBufferLength
209   *              indicates how large OutputBuffer should be, else it
210   *              indicates how may UINT8 elements of OutputBuffer are valid.
211   *
212   * DESCRIPTION: Takes the byte stream returned from a _CRS, _PRS control method
213   *              execution and parses the stream to create a linked list
214   *              of device resources.
215   *
216   ******************************************************************************/
217  
218  ACPI_STATUS
219  AcpiRsCreateResourceList (
220      ACPI_OPERAND_OBJECT     *AmlBuffer,
221      ACPI_BUFFER             *OutputBuffer)
222  {
223  
224      ACPI_STATUS             Status;
225      UINT8                   *AmlStart;
226      ACPI_SIZE               ListSizeNeeded = 0;
227      UINT32                  AmlBufferLength;
228      void                    *Resource;
229  
230  
231      ACPI_FUNCTION_TRACE (RsCreateResourceList);
232  
233  
234      ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "AmlBuffer = %p\n",
235          AmlBuffer));
236  
237      /* Params already validated, so we don't re-validate here */
238  
239      AmlBufferLength = AmlBuffer->Buffer.Length;
240      AmlStart = AmlBuffer->Buffer.Pointer;
241  
242      /*
243       * Pass the AmlBuffer into a module that can calculate
244       * the buffer size needed for the linked list
245       */
246      Status = AcpiRsGetListLength (AmlStart, AmlBufferLength,
247                  &ListSizeNeeded);
248  
249      ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Status=%X ListSizeNeeded=%X\n",
250          Status, (UINT32) ListSizeNeeded));
251      if (ACPI_FAILURE (Status))
252      {
253          return_ACPI_STATUS (Status);
254      }
255  
256      /* Validate/Allocate/Clear caller buffer */
257  
258      Status = AcpiUtInitializeBuffer (OutputBuffer, ListSizeNeeded);
259      if (ACPI_FAILURE (Status))
260      {
261          return_ACPI_STATUS (Status);
262      }
263  
264      /* Do the conversion */
265  
266      Resource = OutputBuffer->Pointer;
267      Status = AcpiUtWalkAmlResources (AmlStart, AmlBufferLength,
268                  AcpiRsConvertAmlToResources, &Resource);
269      if (ACPI_FAILURE (Status))
270      {
271          return_ACPI_STATUS (Status);
272      }
273  
274      ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "OutputBuffer %p Length %X\n",
275              OutputBuffer->Pointer, (UINT32) OutputBuffer->Length));
276      return_ACPI_STATUS (AE_OK);
277  }
278  
279  
280  /*******************************************************************************
281   *
282   * FUNCTION:    AcpiRsCreatePciRoutingTable
283   *
284   * PARAMETERS:  PackageObject           - Pointer to a package containing one
285   *                                        of more ACPI_OPERAND_OBJECTs
286   *              OutputBuffer            - Pointer to the user's buffer
287   *
288   * RETURN:      Status  AE_OK if okay, else a valid ACPI_STATUS code.
289   *              If the OutputBuffer is too small, the error will be
290   *              AE_BUFFER_OVERFLOW and OutputBuffer->Length will point
291   *              to the size buffer needed.
292   *
293   * DESCRIPTION: Takes the ACPI_OPERAND_OBJECT package and creates a
294   *              linked list of PCI interrupt descriptions
295   *
296   * NOTE: It is the caller's responsibility to ensure that the start of the
297   * output buffer is aligned properly (if necessary).
298   *
299   ******************************************************************************/
300  
301  ACPI_STATUS
302  AcpiRsCreatePciRoutingTable (
303      ACPI_OPERAND_OBJECT     *PackageObject,
304      ACPI_BUFFER             *OutputBuffer)
305  {
306      UINT8                   *Buffer;
307      ACPI_OPERAND_OBJECT     **TopObjectList;
308      ACPI_OPERAND_OBJECT     **SubObjectList;
309      ACPI_OPERAND_OBJECT     *ObjDesc;
310      ACPI_SIZE               BufferSizeNeeded = 0;
311      UINT32                  NumberOfElements;
312      UINT32                  Index;
313      ACPI_PCI_ROUTING_TABLE  *UserPrt;
314      ACPI_NAMESPACE_NODE     *Node;
315      ACPI_STATUS             Status;
316      ACPI_BUFFER             PathBuffer;
317  
318  
319      ACPI_FUNCTION_TRACE (RsCreatePciRoutingTable);
320  
321  
322      /* Params already validated, so we don't re-validate here */
323  
324      /* Get the required buffer length */
325  
326      Status = AcpiRsGetPciRoutingTableLength (PackageObject,
327                  &BufferSizeNeeded);
328      if (ACPI_FAILURE (Status))
329      {
330          return_ACPI_STATUS (Status);
331      }
332  
333      ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "BufferSizeNeeded = %X\n",
334          (UINT32) BufferSizeNeeded));
335  
336      /* Validate/Allocate/Clear caller buffer */
337  
338      Status = AcpiUtInitializeBuffer (OutputBuffer, BufferSizeNeeded);
339      if (ACPI_FAILURE (Status))
340      {
341          return_ACPI_STATUS (Status);
342      }
343  
344      /*
345       * Loop through the ACPI_INTERNAL_OBJECTS - Each object should be a
346       * package that in turn contains an UINT64 Address, a UINT8 Pin,
347       * a Name, and a UINT8 SourceIndex.
348       */
349      TopObjectList    = PackageObject->Package.Elements;
350      NumberOfElements = PackageObject->Package.Count;
351      Buffer           = OutputBuffer->Pointer;
352      UserPrt          = ACPI_CAST_PTR (ACPI_PCI_ROUTING_TABLE, Buffer);
353  
354      for (Index = 0; Index < NumberOfElements; Index++)
355      {
356          /*
357           * Point UserPrt past this current structure
358           *
359           * NOTE: On the first iteration, UserPrt->Length will
360           * be zero because we cleared the return buffer earlier
361           */
362          Buffer += UserPrt->Length;
363          UserPrt = ACPI_CAST_PTR (ACPI_PCI_ROUTING_TABLE, Buffer);
364  
365          /*
366           * Fill in the Length field with the information we have at this point.
367           * The minus four is to subtract the size of the UINT8 Source[4] member
368           * because it is added below.
369           */
370          UserPrt->Length = (sizeof (ACPI_PCI_ROUTING_TABLE) - 4);
371  
372          /* Each element of the top-level package must also be a package */
373  
374          if ((*TopObjectList)->Common.Type != ACPI_TYPE_PACKAGE)
375          {
376              ACPI_ERROR ((AE_INFO,
377                  "(PRT[%u]) Need sub-package, found %s",
378                  Index, AcpiUtGetObjectTypeName (*TopObjectList)));
379              return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
380          }
381  
382          /* Each sub-package must be of length 4 */
383  
384          if ((*TopObjectList)->Package.Count != 4)
385          {
386              ACPI_ERROR ((AE_INFO,
387                  "(PRT[%u]) Need package of length 4, found length %u",
388                  Index, (*TopObjectList)->Package.Count));
389              return_ACPI_STATUS (AE_AML_PACKAGE_LIMIT);
390          }
391  
392          /*
393           * Dereference the sub-package.
394           * The SubObjectList will now point to an array of the four IRQ
395           * elements: [Address, Pin, Source, SourceIndex]
396           */
397          SubObjectList = (*TopObjectList)->Package.Elements;
398  
399          /* 1) First subobject: Dereference the PRT.Address */
400  
401          ObjDesc = SubObjectList[0];
402          if (ObjDesc->Common.Type != ACPI_TYPE_INTEGER)
403          {
404              ACPI_ERROR ((AE_INFO, "(PRT[%u].Address) Need Integer, found %s",
405                  Index, AcpiUtGetObjectTypeName (ObjDesc)));
406              return_ACPI_STATUS (AE_BAD_DATA);
407          }
408  
409          UserPrt->Address = ObjDesc->Integer.Value;
410  
411          /* 2) Second subobject: Dereference the PRT.Pin */
412  
413          ObjDesc = SubObjectList[1];
414          if (ObjDesc->Common.Type != ACPI_TYPE_INTEGER)
415          {
416              ACPI_ERROR ((AE_INFO, "(PRT[%u].Pin) Need Integer, found %s",
417                  Index, AcpiUtGetObjectTypeName (ObjDesc)));
418              return_ACPI_STATUS (AE_BAD_DATA);
419          }
420  
421          UserPrt->Pin = (UINT32) ObjDesc->Integer.Value;
422  
423          /*
424           * If the BIOS has erroneously reversed the _PRT SourceName (index 2)
425           * and the SourceIndex (index 3), fix it. _PRT is important enough to
426           * workaround this BIOS error. This also provides compatibility with
427           * other ACPI implementations.
428           */
429          ObjDesc = SubObjectList[3];
430          if (!ObjDesc || (ObjDesc->Common.Type != ACPI_TYPE_INTEGER))
431          {
432              SubObjectList[3] = SubObjectList[2];
433              SubObjectList[2] = ObjDesc;
434  
435              ACPI_WARNING ((AE_INFO,
436                  "(PRT[%X].Source) SourceName and SourceIndex are reversed, fixed",
437                  Index));
438          }
439  
440          /*
441           * 3) Third subobject: Dereference the PRT.SourceName
442           * The name may be unresolved (slack mode), so allow a null object
443           */
444          ObjDesc = SubObjectList[2];
445          if (ObjDesc)
446          {
447              switch (ObjDesc->Common.Type)
448              {
449              case ACPI_TYPE_LOCAL_REFERENCE:
450  
451                  if (ObjDesc->Reference.Class != ACPI_REFCLASS_NAME)
452                  {
453                      ACPI_ERROR ((AE_INFO,
454                          "(PRT[%u].Source) Need name, found Reference Class 0x%X",
455                          Index, ObjDesc->Reference.Class));
456                      return_ACPI_STATUS (AE_BAD_DATA);
457                  }
458  
459                  Node = ObjDesc->Reference.Node;
460  
461                  /* Use *remaining* length of the buffer as max for pathname */
462  
463                  PathBuffer.Length = OutputBuffer->Length -
464                                      (UINT32) ((UINT8 *) UserPrt->Source -
465                                      (UINT8 *) OutputBuffer->Pointer);
466                  PathBuffer.Pointer = UserPrt->Source;
467  
468                  Status = AcpiNsHandleToPathname ((ACPI_HANDLE) Node, &PathBuffer);
469  
470                  /* +1 to include null terminator */
471  
472                  UserPrt->Length += (UINT32) ACPI_STRLEN (UserPrt->Source) + 1;
473                  break;
474  
475  
476              case ACPI_TYPE_STRING:
477  
478                  ACPI_STRCPY (UserPrt->Source, ObjDesc->String.Pointer);
479  
480                  /*
481                   * Add to the Length field the length of the string
482                   * (add 1 for terminator)
483                   */
484                  UserPrt->Length += ObjDesc->String.Length + 1;
485                  break;
486  
487  
488              case ACPI_TYPE_INTEGER:
489                  /*
490                   * If this is a number, then the Source Name is NULL, since the
491                   * entire buffer was zeroed out, we can leave this alone.
492                   *
493                   * Add to the Length field the length of the UINT32 NULL
494                   */
495                  UserPrt->Length += sizeof (UINT32);
496                  break;
497  
498  
499              default:
500  
501                 ACPI_ERROR ((AE_INFO,
502                     "(PRT[%u].Source) Need Ref/String/Integer, found %s",
503                     Index, AcpiUtGetObjectTypeName (ObjDesc)));
504                 return_ACPI_STATUS (AE_BAD_DATA);
505              }
506          }
507  
508          /* Now align the current length */
509  
510          UserPrt->Length = (UINT32) ACPI_ROUND_UP_TO_64BIT (UserPrt->Length);
511  
512          /* 4) Fourth subobject: Dereference the PRT.SourceIndex */
513  
514          ObjDesc = SubObjectList[3];
515          if (ObjDesc->Common.Type != ACPI_TYPE_INTEGER)
516          {
517              ACPI_ERROR ((AE_INFO,
518                  "(PRT[%u].SourceIndex) Need Integer, found %s",
519                  Index, AcpiUtGetObjectTypeName (ObjDesc)));
520              return_ACPI_STATUS (AE_BAD_DATA);
521          }
522  
523          UserPrt->SourceIndex = (UINT32) ObjDesc->Integer.Value;
524  
525          /* Point to the next ACPI_OPERAND_OBJECT in the top level package */
526  
527          TopObjectList++;
528      }
529  
530      ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "OutputBuffer %p Length %X\n",
531              OutputBuffer->Pointer, (UINT32) OutputBuffer->Length));
532      return_ACPI_STATUS (AE_OK);
533  }
534  
535  
536  /*******************************************************************************
537   *
538   * FUNCTION:    AcpiRsCreateAmlResources
539   *
540   * PARAMETERS:  LinkedListBuffer        - Pointer to the resource linked list
541   *              OutputBuffer            - Pointer to the user's buffer
542   *
543   * RETURN:      Status  AE_OK if okay, else a valid ACPI_STATUS code.
544   *              If the OutputBuffer is too small, the error will be
545   *              AE_BUFFER_OVERFLOW and OutputBuffer->Length will point
546   *              to the size buffer needed.
547   *
548   * DESCRIPTION: Takes the linked list of device resources and
549   *              creates a bytestream to be used as input for the
550   *              _SRS control method.
551   *
552   ******************************************************************************/
553  
554  ACPI_STATUS
555  AcpiRsCreateAmlResources (
556      ACPI_RESOURCE           *LinkedListBuffer,
557      ACPI_BUFFER             *OutputBuffer)
558  {
559      ACPI_STATUS             Status;
560      ACPI_SIZE               AmlSizeNeeded = 0;
561  
562  
563      ACPI_FUNCTION_TRACE (RsCreateAmlResources);
564  
565  
566      ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "LinkedListBuffer = %p\n",
567          LinkedListBuffer));
568  
569      /*
570       * Params already validated, so we don't re-validate here
571       *
572       * Pass the LinkedListBuffer into a module that calculates
573       * the buffer size needed for the byte stream.
574       */
575      Status = AcpiRsGetAmlLength (LinkedListBuffer,
576                  &AmlSizeNeeded);
577  
578      ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "AmlSizeNeeded=%X, %s\n",
579          (UINT32) AmlSizeNeeded, AcpiFormatException (Status)));
580      if (ACPI_FAILURE (Status))
581      {
582          return_ACPI_STATUS (Status);
583      }
584  
585      /* Validate/Allocate/Clear caller buffer */
586  
587      Status = AcpiUtInitializeBuffer (OutputBuffer, AmlSizeNeeded);
588      if (ACPI_FAILURE (Status))
589      {
590          return_ACPI_STATUS (Status);
591      }
592  
593      /* Do the conversion */
594  
595      Status = AcpiRsConvertResourcesToAml (LinkedListBuffer, AmlSizeNeeded,
596                      OutputBuffer->Pointer);
597      if (ACPI_FAILURE (Status))
598      {
599          return_ACPI_STATUS (Status);
600      }
601  
602      ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "OutputBuffer %p Length %X\n",
603              OutputBuffer->Pointer, (UINT32) OutputBuffer->Length));
604      return_ACPI_STATUS (AE_OK);
605  }
606  
607