xref: /freebsd/sys/contrib/dev/acpica/components/debugger/dbconvert.c (revision 3b8f08459569bf0faa21473e5cec2491e95c9349)
1 /*******************************************************************************
2  *
3  * Module Name: dbconvert - debugger miscellaneous conversion routines
4  *
5  ******************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2013, Intel Corp.
9  * All rights reserved.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions, and the following disclaimer,
16  *    without modification.
17  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18  *    substantially similar to the "NO WARRANTY" disclaimer below
19  *    ("Disclaimer") and any redistribution must be conditioned upon
20  *    including a substantially similar Disclaimer requirement for further
21  *    binary redistribution.
22  * 3. Neither the names of the above-listed copyright holders nor the names
23  *    of any contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * Alternatively, this software may be distributed under the terms of the
27  * GNU General Public License ("GPL") version 2 as published by the Free
28  * Software Foundation.
29  *
30  * NO WARRANTY
31  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41  * POSSIBILITY OF SUCH DAMAGES.
42  */
43 
44 
45 #include <contrib/dev/acpica/include/acpi.h>
46 #include <contrib/dev/acpica/include/accommon.h>
47 #include <contrib/dev/acpica/include/acdebug.h>
48 
49 #ifdef ACPI_DEBUGGER
50 
51 #define _COMPONENT          ACPI_CA_DEBUGGER
52         ACPI_MODULE_NAME    ("dbconvert")
53 
54 
55 #define DB_DEFAULT_PKG_ELEMENTS     33
56 
57 
58 /*******************************************************************************
59  *
60  * FUNCTION:    AcpiDbHexCharToValue
61  *
62  * PARAMETERS:  HexChar             - Ascii Hex digit, 0-9|a-f|A-F
63  *              ReturnValue         - Where the converted value is returned
64  *
65  * RETURN:      Status
66  *
67  * DESCRIPTION: Convert a single hex character to a 4-bit number (0-16).
68  *
69  ******************************************************************************/
70 
71 ACPI_STATUS
72 AcpiDbHexCharToValue (
73     int                     HexChar,
74     UINT8                   *ReturnValue)
75 {
76     UINT8                   Value;
77 
78 
79     /* Digit must be ascii [0-9a-fA-F] */
80 
81     if (!ACPI_IS_XDIGIT (HexChar))
82     {
83         return (AE_BAD_HEX_CONSTANT);
84     }
85 
86     if (HexChar <= 0x39)
87     {
88         Value = (UINT8) (HexChar - 0x30);
89     }
90     else
91     {
92         Value = (UINT8) (ACPI_TOUPPER (HexChar) - 0x37);
93     }
94 
95     *ReturnValue = Value;
96     return (AE_OK);
97 }
98 
99 
100 /*******************************************************************************
101  *
102  * FUNCTION:    AcpiDbHexByteToBinary
103  *
104  * PARAMETERS:  HexByte             - Double hex digit (0x00 - 0xFF) in format:
105  *                                    HiByte then LoByte.
106  *              ReturnValue         - Where the converted value is returned
107  *
108  * RETURN:      Status
109  *
110  * DESCRIPTION: Convert two hex characters to an 8 bit number (0 - 255).
111  *
112  ******************************************************************************/
113 
114 static ACPI_STATUS
115 AcpiDbHexByteToBinary (
116     char                    *HexByte,
117     UINT8                   *ReturnValue)
118 {
119     UINT8                   Local0;
120     UINT8                   Local1;
121     ACPI_STATUS             Status;
122 
123 
124     /* High byte */
125 
126     Status = AcpiDbHexCharToValue (HexByte[0], &Local0);
127     if (ACPI_FAILURE (Status))
128     {
129         return (Status);
130     }
131 
132     /* Low byte */
133 
134     Status = AcpiDbHexCharToValue (HexByte[1], &Local1);
135     if (ACPI_FAILURE (Status))
136     {
137         return (Status);
138     }
139 
140     *ReturnValue = (UINT8) ((Local0 << 4) | Local1);
141     return (AE_OK);
142 }
143 
144 
145 /*******************************************************************************
146  *
147  * FUNCTION:    AcpiDbConvertToBuffer
148  *
149  * PARAMETERS:  String              - Input string to be converted
150  *              Object              - Where the buffer object is returned
151  *
152  * RETURN:      Status
153  *
154  * DESCRIPTION: Convert a string to a buffer object. String is treated a list
155  *              of buffer elements, each separated by a space or comma.
156  *
157  ******************************************************************************/
158 
159 static ACPI_STATUS
160 AcpiDbConvertToBuffer (
161     char                    *String,
162     ACPI_OBJECT             *Object)
163 {
164     UINT32                  i;
165     UINT32                  j;
166     UINT32                  Length;
167     UINT8                   *Buffer;
168     ACPI_STATUS             Status;
169 
170 
171     /* Generate the final buffer length */
172 
173     for (i = 0, Length = 0; String[i];)
174     {
175         i+=2;
176         Length++;
177 
178         while (String[i] &&
179               ((String[i] == ',') || (String[i] == ' ')))
180         {
181             i++;
182         }
183     }
184 
185     Buffer = ACPI_ALLOCATE (Length);
186     if (!Buffer)
187     {
188         return (AE_NO_MEMORY);
189     }
190 
191     /* Convert the command line bytes to the buffer */
192 
193     for (i = 0, j = 0; String[i];)
194     {
195         Status = AcpiDbHexByteToBinary (&String[i], &Buffer[j]);
196         if (ACPI_FAILURE (Status))
197         {
198             ACPI_FREE (Buffer);
199             return (Status);
200         }
201 
202         j++;
203         i+=2;
204         while (String[i] &&
205               ((String[i] == ',') || (String[i] == ' ')))
206         {
207             i++;
208         }
209     }
210 
211     Object->Type = ACPI_TYPE_BUFFER;
212     Object->Buffer.Pointer = Buffer;
213     Object->Buffer.Length = Length;
214     return (AE_OK);
215 }
216 
217 
218 /*******************************************************************************
219  *
220  * FUNCTION:    AcpiDbConvertToPackage
221  *
222  * PARAMETERS:  String              - Input string to be converted
223  *              Object              - Where the package object is returned
224  *
225  * RETURN:      Status
226  *
227  * DESCRIPTION: Convert a string to a package object. Handles nested packages
228  *              via recursion with AcpiDbConvertToObject.
229  *
230  ******************************************************************************/
231 
232 ACPI_STATUS
233 AcpiDbConvertToPackage (
234     char                    *String,
235     ACPI_OBJECT             *Object)
236 {
237     char                    *This;
238     char                    *Next;
239     UINT32                  i;
240     ACPI_OBJECT_TYPE        Type;
241     ACPI_OBJECT             *Elements;
242     ACPI_STATUS             Status;
243 
244 
245     Elements = ACPI_ALLOCATE_ZEROED (
246         DB_DEFAULT_PKG_ELEMENTS * sizeof (ACPI_OBJECT));
247 
248     This = String;
249     for (i = 0; i < (DB_DEFAULT_PKG_ELEMENTS - 1); i++)
250     {
251         This = AcpiDbGetNextToken (This, &Next, &Type);
252         if (!This)
253         {
254             break;
255         }
256 
257         /* Recursive call to convert each package element */
258 
259         Status = AcpiDbConvertToObject (Type, This, &Elements[i]);
260         if (ACPI_FAILURE (Status))
261         {
262             AcpiDbDeleteObjects (i + 1, Elements);
263             ACPI_FREE (Elements);
264             return (Status);
265         }
266 
267         This = Next;
268     }
269 
270     Object->Type = ACPI_TYPE_PACKAGE;
271     Object->Package.Count = i;
272     Object->Package.Elements = Elements;
273     return (AE_OK);
274 }
275 
276 
277 /*******************************************************************************
278  *
279  * FUNCTION:    AcpiDbConvertToObject
280  *
281  * PARAMETERS:  Type                - Object type as determined by parser
282  *              String              - Input string to be converted
283  *              Object              - Where the new object is returned
284  *
285  * RETURN:      Status
286  *
287  * DESCRIPTION: Convert a typed and tokenized string to an ACPI_OBJECT. Typing:
288  *              1) String objects were surrounded by quotes.
289  *              2) Buffer objects were surrounded by parentheses.
290  *              3) Package objects were surrounded by brackets "[]".
291  *              4) All standalone tokens are treated as integers.
292  *
293  ******************************************************************************/
294 
295 ACPI_STATUS
296 AcpiDbConvertToObject (
297     ACPI_OBJECT_TYPE        Type,
298     char                    *String,
299     ACPI_OBJECT             *Object)
300 {
301     ACPI_STATUS             Status = AE_OK;
302 
303 
304     switch (Type)
305     {
306     case ACPI_TYPE_STRING:
307 
308         Object->Type = ACPI_TYPE_STRING;
309         Object->String.Pointer = String;
310         Object->String.Length = (UINT32) ACPI_STRLEN (String);
311         break;
312 
313     case ACPI_TYPE_BUFFER:
314 
315         Status = AcpiDbConvertToBuffer (String, Object);
316         break;
317 
318     case ACPI_TYPE_PACKAGE:
319 
320         Status = AcpiDbConvertToPackage (String, Object);
321         break;
322 
323     default:
324 
325         Object->Type = ACPI_TYPE_INTEGER;
326         Status = AcpiUtStrtoul64 (String, 16, &Object->Integer.Value);
327         break;
328     }
329 
330     return (Status);
331 }
332 
333 
334 /*******************************************************************************
335  *
336  * FUNCTION:    AcpiDbEncodePldBuffer
337  *
338  * PARAMETERS:  PldInfo             - _PLD buffer struct (Using local struct)
339  *
340  * RETURN:      Encode _PLD buffer suitable for return value from _PLD
341  *
342  * DESCRIPTION: Bit-packs a _PLD buffer struct. Used to test the _PLD macros
343  *
344  ******************************************************************************/
345 
346 UINT8 *
347 AcpiDbEncodePldBuffer (
348     ACPI_PLD_INFO           *PldInfo)
349 {
350     UINT32                  *Buffer;
351     UINT32                  Dword;
352 
353 
354     Buffer = ACPI_ALLOCATE_ZEROED (ACPI_PLD_BUFFER_SIZE);
355     if (!Buffer)
356     {
357         return (NULL);
358     }
359 
360     /* First 32 bits */
361 
362     Dword = 0;
363     ACPI_PLD_SET_REVISION       (&Dword, PldInfo->Revision);
364     ACPI_PLD_SET_IGNORE_COLOR   (&Dword, PldInfo->IgnoreColor);
365     ACPI_PLD_SET_COLOR          (&Dword, PldInfo->Color);
366     ACPI_MOVE_32_TO_32 (&Buffer[0], &Dword);
367 
368     /* Second 32 bits */
369 
370     Dword = 0;
371     ACPI_PLD_SET_WIDTH          (&Dword, PldInfo->Width);
372     ACPI_PLD_SET_HEIGHT         (&Dword, PldInfo->Height);
373     ACPI_MOVE_32_TO_32 (&Buffer[1], &Dword);
374 
375     /* Third 32 bits */
376 
377     Dword = 0;
378     ACPI_PLD_SET_USER_VISIBLE   (&Dword, PldInfo->UserVisible);
379     ACPI_PLD_SET_DOCK           (&Dword, PldInfo->Dock);
380     ACPI_PLD_SET_LID            (&Dword, PldInfo->Lid);
381     ACPI_PLD_SET_PANEL          (&Dword, PldInfo->Panel);
382     ACPI_PLD_SET_VERTICAL       (&Dword, PldInfo->VerticalPosition);
383     ACPI_PLD_SET_HORIZONTAL     (&Dword, PldInfo->HorizontalPosition);
384     ACPI_PLD_SET_SHAPE          (&Dword, PldInfo->Shape);
385     ACPI_PLD_SET_ORIENTATION    (&Dword, PldInfo->GroupOrientation);
386     ACPI_PLD_SET_TOKEN          (&Dword, PldInfo->GroupToken);
387     ACPI_PLD_SET_POSITION       (&Dword, PldInfo->GroupPosition);
388     ACPI_PLD_SET_BAY            (&Dword, PldInfo->Bay);
389     ACPI_MOVE_32_TO_32 (&Buffer[2], &Dword);
390 
391     /* Fourth 32 bits */
392 
393     Dword = 0;
394     ACPI_PLD_SET_EJECTABLE      (&Dword, PldInfo->Ejectable);
395     ACPI_PLD_SET_OSPM_EJECT     (&Dword, PldInfo->OspmEjectRequired);
396     ACPI_PLD_SET_CABINET        (&Dword, PldInfo->CabinetNumber);
397     ACPI_PLD_SET_CARD_CAGE      (&Dword, PldInfo->CardCageNumber);
398     ACPI_PLD_SET_REFERENCE      (&Dword, PldInfo->Reference);
399     ACPI_PLD_SET_ROTATION       (&Dword, PldInfo->Rotation);
400     ACPI_PLD_SET_ORDER          (&Dword, PldInfo->Order);
401     ACPI_MOVE_32_TO_32 (&Buffer[3], &Dword);
402 
403     if (PldInfo->Revision >= 2)
404     {
405         /* Fifth 32 bits */
406 
407         Dword = 0;
408         ACPI_PLD_SET_VERT_OFFSET    (&Dword, PldInfo->VerticalOffset);
409         ACPI_PLD_SET_HORIZ_OFFSET   (&Dword, PldInfo->HorizontalOffset);
410         ACPI_MOVE_32_TO_32 (&Buffer[4], &Dword);
411     }
412 
413     return (ACPI_CAST_PTR (UINT8, Buffer));
414 }
415 
416 
417 /*******************************************************************************
418  *
419  * FUNCTION:    AcpiDbDumpPldBuffer
420  *
421  * PARAMETERS:  ObjDesc             - Object returned from _PLD method
422  *
423  * RETURN:      None.
424  *
425  * DESCRIPTION: Dumps formatted contents of a _PLD return buffer.
426  *
427  ******************************************************************************/
428 
429 #define ACPI_PLD_OUTPUT     "%20s : %-6X\n"
430 
431 void
432 AcpiDbDumpPldBuffer (
433     ACPI_OBJECT             *ObjDesc)
434 {
435     ACPI_OBJECT             *BufferDesc;
436     ACPI_PLD_INFO           *PldInfo;
437     UINT8                   *NewBuffer;
438     ACPI_STATUS             Status;
439 
440 
441     /* Object must be of type Package with at least one Buffer element */
442 
443     if (ObjDesc->Type != ACPI_TYPE_PACKAGE)
444     {
445         return;
446     }
447 
448     BufferDesc = &ObjDesc->Package.Elements[0];
449     if (BufferDesc->Type != ACPI_TYPE_BUFFER)
450     {
451         return;
452     }
453 
454     /* Convert _PLD buffer to local _PLD struct */
455 
456     Status = AcpiDecodePldBuffer (BufferDesc->Buffer.Pointer,
457         BufferDesc->Buffer.Length, &PldInfo);
458     if (ACPI_FAILURE (Status))
459     {
460         return;
461     }
462 
463     /* Encode local _PLD struct back to a _PLD buffer */
464 
465     NewBuffer = AcpiDbEncodePldBuffer (PldInfo);
466     if (!NewBuffer)
467     {
468         return;
469     }
470 
471     /* The two bit-packed buffers should match */
472 
473     if (ACPI_MEMCMP (NewBuffer, BufferDesc->Buffer.Pointer,
474         BufferDesc->Buffer.Length))
475     {
476         AcpiOsPrintf ("Converted _PLD buffer does not compare. New:\n");
477 
478         AcpiUtDumpBuffer (NewBuffer,
479             BufferDesc->Buffer.Length, DB_BYTE_DISPLAY, 0);
480     }
481 
482     /* First 32-bit dword */
483 
484     AcpiOsPrintf (ACPI_PLD_OUTPUT, "Revision", PldInfo->Revision);
485     AcpiOsPrintf (ACPI_PLD_OUTPUT, "IgnoreColor", PldInfo->IgnoreColor);
486     AcpiOsPrintf (ACPI_PLD_OUTPUT, "Color", PldInfo->Color);
487 
488     /* Second 32-bit dword */
489 
490     AcpiOsPrintf (ACPI_PLD_OUTPUT, "Width", PldInfo->Width);
491     AcpiOsPrintf (ACPI_PLD_OUTPUT, "Height", PldInfo->Height);
492 
493     /* Third 32-bit dword */
494 
495     AcpiOsPrintf (ACPI_PLD_OUTPUT, "UserVisible", PldInfo->UserVisible);
496     AcpiOsPrintf (ACPI_PLD_OUTPUT, "Dock", PldInfo->Dock);
497     AcpiOsPrintf (ACPI_PLD_OUTPUT, "Lid", PldInfo->Lid);
498     AcpiOsPrintf (ACPI_PLD_OUTPUT, "Panel", PldInfo->Panel);
499     AcpiOsPrintf (ACPI_PLD_OUTPUT, "VerticalPosition", PldInfo->VerticalPosition);
500     AcpiOsPrintf (ACPI_PLD_OUTPUT, "HorizontalPosition", PldInfo->HorizontalPosition);
501     AcpiOsPrintf (ACPI_PLD_OUTPUT, "Shape", PldInfo->Shape);
502     AcpiOsPrintf (ACPI_PLD_OUTPUT, "GroupOrientation", PldInfo->GroupOrientation);
503     AcpiOsPrintf (ACPI_PLD_OUTPUT, "GroupToken", PldInfo->GroupToken);
504     AcpiOsPrintf (ACPI_PLD_OUTPUT, "GroupPosition", PldInfo->GroupPosition);
505     AcpiOsPrintf (ACPI_PLD_OUTPUT, "Bay", PldInfo->Bay);
506 
507     /* Fourth 32-bit dword */
508 
509     AcpiOsPrintf (ACPI_PLD_OUTPUT, "Ejectable", PldInfo->Ejectable);
510     AcpiOsPrintf (ACPI_PLD_OUTPUT, "OspmEjectRequired", PldInfo->OspmEjectRequired);
511     AcpiOsPrintf (ACPI_PLD_OUTPUT, "CabinetNumber", PldInfo->CabinetNumber);
512     AcpiOsPrintf (ACPI_PLD_OUTPUT, "CardCageNumber", PldInfo->CardCageNumber);
513     AcpiOsPrintf (ACPI_PLD_OUTPUT, "Reference", PldInfo->Reference);
514     AcpiOsPrintf (ACPI_PLD_OUTPUT, "Rotation", PldInfo->Rotation);
515     AcpiOsPrintf (ACPI_PLD_OUTPUT, "Order", PldInfo->Order);
516 
517     /* Fifth 32-bit dword */
518 
519     if (BufferDesc->Buffer.Length > 16)
520     {
521         AcpiOsPrintf (ACPI_PLD_OUTPUT, "VerticalOffset", PldInfo->VerticalOffset);
522         AcpiOsPrintf (ACPI_PLD_OUTPUT, "HorizontalOffset", PldInfo->HorizontalOffset);
523     }
524 
525     ACPI_FREE (PldInfo);
526     ACPI_FREE (NewBuffer);
527 }
528 
529 #endif /* ACPI_DEBUGGER */
530