13 * All rights reserved.
14 *
15 * 2. License
16 *
17 * 2.1. This is your license from Intel Corp. under its intellectual property
18 * rights. You may have additional license terms from the party that provided
19 * you this software, covering your right to use that party's intellectual
20 * property rights.
21 *
22 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
23 * copy of the source code appearing in this file ("Covered Code") an
24 * irrevocable, perpetual, worldwide license under Intel's copyrights in the
25 * base code distributed originally by Intel ("Original Intel Code") to copy,
26 * make derivatives, distribute, use and display any portion of the Covered
27 * Code in any form, with the right to sublicense such rights; and
28 *
29 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
30 * license (with the right to sublicense), under only those claims of Intel
31 * patents that are infringed by the Original Intel Code, to make, use, sell,
32 * offer to sell, and import the Covered Code and derivative works thereof
33 * solely to the minimum extent necessary to exercise the above copyright
34 * license, and in no event shall the patent license extend to any additions
35 * to or modifications of the Original Intel Code. No other license or right
36 * is granted directly or by implication, estoppel or otherwise;
37 *
38 * The above copyright and patent license is granted only if the following
39 * conditions are met:
40 *
41 * 3. Conditions
42 *
43 * 3.1. Redistribution of Source with Rights to Further Distribute Source.
44 * Redistribution of source code of any substantial portion of the Covered
45 * Code or modification with rights to further distribute source must include
46 * the above Copyright Notice, the above License, this list of Conditions,
47 * and the following Disclaimer and Export Compliance provision. In addition,
48 * Licensee must cause all Covered Code to which Licensee contributes to
49 * contain a file documenting the changes Licensee made to create that Covered
50 * Code and the date of any change. Licensee must include in that file the
51 * documentation of any changes made by any predecessor Licensee. Licensee
52 * must include a prominent statement that the modification is derived,
53 * directly or indirectly, from Original Intel Code.
54 *
55 * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
56 * Redistribution of source code of any substantial portion of the Covered
57 * Code or modification without rights to further distribute source must
58 * include the following Disclaimer and Export Compliance provision in the
59 * documentation and/or other materials provided with distribution. In
60 * addition, Licensee may not authorize further sublicense of source of any
61 * portion of the Covered Code, and must include terms to the effect that the
62 * license from Licensee to its licensee is limited to the intellectual
63 * property embodied in the software Licensee provides to its licensee, and
64 * not to intellectual property embodied in modifications its licensee may
65 * make.
66 *
67 * 3.3. Redistribution of Executable. Redistribution in executable form of any
68 * substantial portion of the Covered Code or modification must reproduce the
69 * above Copyright Notice, and the following Disclaimer and Export Compliance
70 * provision in the documentation and/or other materials provided with the
71 * distribution.
72 *
73 * 3.4. Intel retains all right, title, and interest in and to the Original
74 * Intel Code.
75 *
76 * 3.5. Neither the name Intel nor any other trademark owned or controlled by
77 * Intel shall be used in advertising or otherwise to promote the sale, use or
78 * other dealings in products derived from or relating to the Covered Code
79 * without prior written authorization from Intel.
80 *
81 * 4. Disclaimer and Export Compliance
82 *
83 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
84 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
85 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
86 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
87 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
88 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
89 * PARTICULAR PURPOSE.
90 *
91 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
92 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
93 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
94 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
95 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
96 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
97 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
98 * LIMITED REMEDY.
99 *
100 * 4.3. Licensee shall not export, either directly or indirectly, any of this
101 * software or system incorporating such software without first obtaining any
102 * required license or other approval from the U. S. Department of Commerce or
103 * any other agency or department of the United States Government. In the
104 * event Licensee exports any such software from the United States or
105 * re-exports any such software from a foreign destination, Licensee shall
106 * ensure that the distribution and export/re-export of the software is in
107 * compliance with all laws, regulations, orders, or other restrictions of the
108 * U.S. Export Administration Regulations. Licensee agrees that neither it nor
109 * any of its subsidiaries will export/re-export any technical data, process,
110 * software, or service, directly or indirectly, to any country for which the
111 * United States government or any agency thereof requires an export license,
112 * other governmental approval, or letter of assurance, without first obtaining
113 * such license, approval or letter.
114 *
115 *****************************************************************************/
116
117
118#include "acpi.h"
119#include "acdisasm.h"
120#include "acparser.h"
121#include "amlcode.h"
122
123
124#ifdef ACPI_DISASSEMBLER
125
126#define _COMPONENT ACPI_CA_DEBUGGER
127 ACPI_MODULE_NAME ("dmbuffer")
128
129
130/*******************************************************************************
131 *
132 * FUNCTION: AcpiDmDisasmByteList
133 *
134 * PARAMETERS: Level - Current source code indentation level
135 * ByteData - Pointer to the byte list
136 * ByteCount - Length of the byte list
137 *
138 * RETURN: None
139 *
140 * DESCRIPTION: Dump a list of bytes in Hex format
141 *
142 ******************************************************************************/
143
144void
145AcpiDmDisasmByteList (
146 UINT32 Level,
147 UINT8 *ByteData,
148 UINT32 ByteCount)
149{
150 UINT32 i;
151
152
153 AcpiDmIndent (Level);
154
155 /* Dump the byte list */
156
157 for (i = 0; i < ByteCount; i++)
158 {
159 AcpiOsPrintf ("0x%2.2X", (UINT32) ByteData[i]);
160
161 /* Add comma if there are more bytes to display */
162
163 if (i < (ByteCount -1))
164 {
165 AcpiOsPrintf (", ");
166 }
167
168 /* New line every 8 bytes */
169
170 if ((((i+1) % 8) == 0) && ((i+1) < ByteCount))
171 {
172 AcpiOsPrintf ("\n");
173 AcpiDmIndent (Level);
174 }
175 }
176
177 if (Level)
178 {
179 AcpiOsPrintf ("\n");
180 }
181}
182
183
184/*******************************************************************************
185 *
186 * FUNCTION: AcpiDmByteList
187 *
188 * PARAMETERS: Info - Parse tree walk info
189 * Op - Byte list op
190 *
191 * RETURN: None
192 *
193 * DESCRIPTION: Dump a buffer byte list, handling the various types of buffers.
194 * Buffer type must be already set in the Op DisasmOpcode.
195 *
196 ******************************************************************************/
197
198void
199AcpiDmByteList (
200 ACPI_OP_WALK_INFO *Info,
201 ACPI_PARSE_OBJECT *Op)
202{
203 UINT8 *ByteData;
204 UINT32 ByteCount;
205
206
207 ByteData = Op->Named.Data;
208 ByteCount = (UINT32) Op->Common.Value.Integer;
209
210 /*
211 * The byte list belongs to a buffer, and can be produced by either
212 * a ResourceTemplate, Unicode, quoted string, or a plain byte list.
213 */
214 switch (Op->Common.Parent->Common.DisasmOpcode)
215 {
216 case ACPI_DASM_RESOURCE:
217
218 AcpiDmResourceDescriptor (Info, ByteData, ByteCount);
219 break;
220
221 case ACPI_DASM_STRING:
222
223 AcpiDmIndent (Info->Level);
224 AcpiUtPrintString ((char *) ByteData, ACPI_UINT8_MAX);
225 AcpiOsPrintf ("\n");
226 break;
227
228 case ACPI_DASM_UNICODE:
229
230 AcpiDmUnicode (Op);
231 break;
232
233 case ACPI_DASM_BUFFER:
234 default:
235
236 /*
237 * Not a resource, string, or unicode string.
238 * Just dump the buffer
239 */
240 AcpiDmDisasmByteList (Info->Level, ByteData, ByteCount);
241 break;
242 }
243}
244
245
246/*******************************************************************************
247 *
248 * FUNCTION: AcpiDmIsUnicodeBuffer
249 *
250 * PARAMETERS: Op - Buffer Object to be examined
251 *
252 * RETURN: TRUE if buffer contains a UNICODE string
253 *
254 * DESCRIPTION: Determine if a buffer Op contains a Unicode string
255 *
256 ******************************************************************************/
257
258BOOLEAN
259AcpiDmIsUnicodeBuffer (
260 ACPI_PARSE_OBJECT *Op)
261{
262 UINT8 *ByteData;
263 UINT32 ByteCount;
264 UINT32 WordCount;
265 ACPI_PARSE_OBJECT *SizeOp;
266 ACPI_PARSE_OBJECT *NextOp;
267 ACPI_NATIVE_UINT i;
268
269
270 /* Buffer size is the buffer argument */
271
272 SizeOp = Op->Common.Value.Arg;
273
274 /* Next, the initializer byte list to examine */
275
276 NextOp = SizeOp->Common.Next;
277 if (!NextOp)
278 {
279 return (FALSE);
280 }
281
282 /* Extract the byte list info */
283
284 ByteData = NextOp->Named.Data;
285 ByteCount = (UINT32) NextOp->Common.Value.Integer;
286 WordCount = ACPI_DIV_2 (ByteCount);
287
288 /*
289 * Unicode string must have an even number of bytes and last
290 * word must be zero
291 */
292 if ((!ByteCount) ||
293 (ByteCount < 4) ||
294 (ByteCount & 1) ||
295 ((UINT16 *) (void *) ByteData)[WordCount - 1] != 0)
296 {
297 return (FALSE);
298 }
299
300 /* For each word, 1st byte must be ascii, 2nd byte must be zero */
301
302 for (i = 0; i < (ByteCount - 2); i += 2)
303 {
304 if ((!ACPI_IS_PRINT (ByteData[i])) ||
305 (ByteData[i + 1] != 0))
306 {
307 return (FALSE);
308 }
309 }
310
311 /* Ignore the Size argument in the disassembly of this buffer op */
312
313 SizeOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
314 return (TRUE);
315}
316
317
318/*******************************************************************************
319 *
320 * FUNCTION: AcpiDmIsStringBuffer
321 *
322 * PARAMETERS: Op - Buffer Object to be examined
323 *
324 * RETURN: TRUE if buffer contains a ASCII string
325 *
326 * DESCRIPTION: Determine if a buffer Op contains a ASCII string
327 *
328 ******************************************************************************/
329
330BOOLEAN
331AcpiDmIsStringBuffer (
332 ACPI_PARSE_OBJECT *Op)
333{
334 UINT8 *ByteData;
335 UINT32 ByteCount;
336 ACPI_PARSE_OBJECT *SizeOp;
337 ACPI_PARSE_OBJECT *NextOp;
338 UINT32 i;
339
340
341 /* Buffer size is the buffer argument */
342
343 SizeOp = Op->Common.Value.Arg;
344
345 /* Next, the initializer byte list to examine */
346
347 NextOp = SizeOp->Common.Next;
348 if (!NextOp)
349 {
350 return (FALSE);
351 }
352
353 /* Extract the byte list info */
354
355 ByteData = NextOp->Named.Data;
356 ByteCount = (UINT32) NextOp->Common.Value.Integer;
357
358 /* Last byte must be the null terminator */
359
360 if ((!ByteCount) ||
361 (ByteCount < 2) ||
362 (ByteData[ByteCount-1] != 0))
363 {
364 return (FALSE);
365 }
366
367 for (i = 0; i < (ByteCount - 1); i++)
368 {
369 /* TBD: allow some escapes (non-ascii chars).
370 * they will be handled in the string output routine
371 */
372
373 if (!ACPI_IS_PRINT (ByteData[i]))
374 {
375 return (FALSE);
376 }
377 }
378
379 return (TRUE);
380}
381
382
383/*******************************************************************************
384 *
385 * FUNCTION: AcpiDmUnicode
386 *
387 * PARAMETERS: Op - Byte List op containing Unicode string
388 *
389 * RETURN: None
390 *
391 * DESCRIPTION: Dump Unicode string as a standard ASCII string. (Remove
392 * the extra zero bytes).
393 *
394 ******************************************************************************/
395
396void
397AcpiDmUnicode (
398 ACPI_PARSE_OBJECT *Op)
399{
400 UINT16 *WordData;
401 UINT32 WordCount;
402 UINT32 i;
403
404
405 /* Extract the buffer info as a WORD buffer */
406
407 WordData = ACPI_CAST_PTR (UINT16, Op->Named.Data);
408 WordCount = ACPI_DIV_2 (((UINT32) Op->Common.Value.Integer));
409
410
411 AcpiOsPrintf ("\"");
412
413 /* Write every other byte as an ASCII character */
414
415 for (i = 0; i < (WordCount - 1); i++)
416 {
417 AcpiOsPrintf ("%c", (int) WordData[i]);
418 }
419
420 AcpiOsPrintf ("\")");
421}
422
423
424/*******************************************************************************
425 *
426 * FUNCTION: AcpiIsEisaId
427 *
428 * PARAMETERS: Op - Op to be examined
429 *
430 * RETURN: None
431 *
432 * DESCRIPTION: Determine if an Op can be converted to an EisaId.
433 *
434 ******************************************************************************/
435
436void
437AcpiIsEisaId (
438 ACPI_PARSE_OBJECT *Op)
439{
440 UINT32 Name;
441 UINT32 BigEndianId;
442 ACPI_PARSE_OBJECT *NextOp;
443 ACPI_NATIVE_UINT i;
444 UINT32 Prefix[3];
445
446
447 /* Get the NameSegment */
448
449 Name = AcpiPsGetName (Op);
450 if (!Name)
451 {
452 return;
453 }
454
455 /* We are looking for _HID */
456
457 if (ACPI_STRNCMP ((char *) &Name, METHOD_NAME__HID, 4))
458 {
459 return;
460 }
461
462 /* The parameter must be either a word or a dword */
463
464 NextOp = AcpiPsGetDepthNext (NULL, Op);
465 if ((NextOp->Common.AmlOpcode != AML_DWORD_OP) &&
466 (NextOp->Common.AmlOpcode != AML_WORD_OP))
467 {
468 return;
469 }
470
471 /* Swap from little-endian to big-endian to simplify conversion */
472
473 BigEndianId = AcpiUtDwordByteSwap ((UINT32) NextOp->Common.Value.Integer);
474
475 /* Create the 3 leading ASCII letters */
476
477 Prefix[0] = ((BigEndianId >> 26) & 0x1F) + 0x40;
478 Prefix[1] = ((BigEndianId >> 21) & 0x1F) + 0x40;
479 Prefix[2] = ((BigEndianId >> 16) & 0x1F) + 0x40;
480
481 /* Verify that all 3 are ascii and alpha */
482
483 for (i = 0; i < 3; i++)
484 {
485 if (!ACPI_IS_ASCII (Prefix[i]) ||
486 !ACPI_IS_ALPHA (Prefix[i]))
487 {
488 return;
489 }
490 }
491
492 /* OK - mark this node as convertable to an EISA ID */
493
494 NextOp->Common.DisasmOpcode = ACPI_DASM_EISAID;
495}
496
497
498/*******************************************************************************
499 *
500 * FUNCTION: AcpiDmEisaId
501 *
502 * PARAMETERS: EncodedId - Raw encoded EISA ID.
503 *
504 * RETURN: None
505 *
506 * DESCRIPTION: Convert an encoded EISAID back to the original ASCII String.
507 *
508 ******************************************************************************/
509
510void
511AcpiDmEisaId (
512 UINT32 EncodedId)
513{
514 UINT32 BigEndianId;
515
516
517 /* Swap from little-endian to big-endian to simplify conversion */
518
519 BigEndianId = AcpiUtDwordByteSwap (EncodedId);
520
521
522 /* Split to form "AAANNNN" string */
523
524 AcpiOsPrintf ("EisaId (\"%c%c%c%4.4X\")",
525
526 /* Three Alpha characters (AAA), 5 bits each */
527
528 (int) ((BigEndianId >> 26) & 0x1F) + 0x40,
529 (int) ((BigEndianId >> 21) & 0x1F) + 0x40,
530 (int) ((BigEndianId >> 16) & 0x1F) + 0x40,
531
532 /* Numeric part (NNNN) is simply the lower 16 bits */
533
534 (UINT32) (BigEndianId & 0xFFFF));
535}
536
537#endif
| 13 * All rights reserved.
14 *
15 * 2. License
16 *
17 * 2.1. This is your license from Intel Corp. under its intellectual property
18 * rights. You may have additional license terms from the party that provided
19 * you this software, covering your right to use that party's intellectual
20 * property rights.
21 *
22 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
23 * copy of the source code appearing in this file ("Covered Code") an
24 * irrevocable, perpetual, worldwide license under Intel's copyrights in the
25 * base code distributed originally by Intel ("Original Intel Code") to copy,
26 * make derivatives, distribute, use and display any portion of the Covered
27 * Code in any form, with the right to sublicense such rights; and
28 *
29 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
30 * license (with the right to sublicense), under only those claims of Intel
31 * patents that are infringed by the Original Intel Code, to make, use, sell,
32 * offer to sell, and import the Covered Code and derivative works thereof
33 * solely to the minimum extent necessary to exercise the above copyright
34 * license, and in no event shall the patent license extend to any additions
35 * to or modifications of the Original Intel Code. No other license or right
36 * is granted directly or by implication, estoppel or otherwise;
37 *
38 * The above copyright and patent license is granted only if the following
39 * conditions are met:
40 *
41 * 3. Conditions
42 *
43 * 3.1. Redistribution of Source with Rights to Further Distribute Source.
44 * Redistribution of source code of any substantial portion of the Covered
45 * Code or modification with rights to further distribute source must include
46 * the above Copyright Notice, the above License, this list of Conditions,
47 * and the following Disclaimer and Export Compliance provision. In addition,
48 * Licensee must cause all Covered Code to which Licensee contributes to
49 * contain a file documenting the changes Licensee made to create that Covered
50 * Code and the date of any change. Licensee must include in that file the
51 * documentation of any changes made by any predecessor Licensee. Licensee
52 * must include a prominent statement that the modification is derived,
53 * directly or indirectly, from Original Intel Code.
54 *
55 * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
56 * Redistribution of source code of any substantial portion of the Covered
57 * Code or modification without rights to further distribute source must
58 * include the following Disclaimer and Export Compliance provision in the
59 * documentation and/or other materials provided with distribution. In
60 * addition, Licensee may not authorize further sublicense of source of any
61 * portion of the Covered Code, and must include terms to the effect that the
62 * license from Licensee to its licensee is limited to the intellectual
63 * property embodied in the software Licensee provides to its licensee, and
64 * not to intellectual property embodied in modifications its licensee may
65 * make.
66 *
67 * 3.3. Redistribution of Executable. Redistribution in executable form of any
68 * substantial portion of the Covered Code or modification must reproduce the
69 * above Copyright Notice, and the following Disclaimer and Export Compliance
70 * provision in the documentation and/or other materials provided with the
71 * distribution.
72 *
73 * 3.4. Intel retains all right, title, and interest in and to the Original
74 * Intel Code.
75 *
76 * 3.5. Neither the name Intel nor any other trademark owned or controlled by
77 * Intel shall be used in advertising or otherwise to promote the sale, use or
78 * other dealings in products derived from or relating to the Covered Code
79 * without prior written authorization from Intel.
80 *
81 * 4. Disclaimer and Export Compliance
82 *
83 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
84 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
85 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
86 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
87 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
88 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
89 * PARTICULAR PURPOSE.
90 *
91 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
92 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
93 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
94 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
95 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
96 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
97 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
98 * LIMITED REMEDY.
99 *
100 * 4.3. Licensee shall not export, either directly or indirectly, any of this
101 * software or system incorporating such software without first obtaining any
102 * required license or other approval from the U. S. Department of Commerce or
103 * any other agency or department of the United States Government. In the
104 * event Licensee exports any such software from the United States or
105 * re-exports any such software from a foreign destination, Licensee shall
106 * ensure that the distribution and export/re-export of the software is in
107 * compliance with all laws, regulations, orders, or other restrictions of the
108 * U.S. Export Administration Regulations. Licensee agrees that neither it nor
109 * any of its subsidiaries will export/re-export any technical data, process,
110 * software, or service, directly or indirectly, to any country for which the
111 * United States government or any agency thereof requires an export license,
112 * other governmental approval, or letter of assurance, without first obtaining
113 * such license, approval or letter.
114 *
115 *****************************************************************************/
116
117
118#include "acpi.h"
119#include "acdisasm.h"
120#include "acparser.h"
121#include "amlcode.h"
122
123
124#ifdef ACPI_DISASSEMBLER
125
126#define _COMPONENT ACPI_CA_DEBUGGER
127 ACPI_MODULE_NAME ("dmbuffer")
128
129
130/*******************************************************************************
131 *
132 * FUNCTION: AcpiDmDisasmByteList
133 *
134 * PARAMETERS: Level - Current source code indentation level
135 * ByteData - Pointer to the byte list
136 * ByteCount - Length of the byte list
137 *
138 * RETURN: None
139 *
140 * DESCRIPTION: Dump a list of bytes in Hex format
141 *
142 ******************************************************************************/
143
144void
145AcpiDmDisasmByteList (
146 UINT32 Level,
147 UINT8 *ByteData,
148 UINT32 ByteCount)
149{
150 UINT32 i;
151
152
153 AcpiDmIndent (Level);
154
155 /* Dump the byte list */
156
157 for (i = 0; i < ByteCount; i++)
158 {
159 AcpiOsPrintf ("0x%2.2X", (UINT32) ByteData[i]);
160
161 /* Add comma if there are more bytes to display */
162
163 if (i < (ByteCount -1))
164 {
165 AcpiOsPrintf (", ");
166 }
167
168 /* New line every 8 bytes */
169
170 if ((((i+1) % 8) == 0) && ((i+1) < ByteCount))
171 {
172 AcpiOsPrintf ("\n");
173 AcpiDmIndent (Level);
174 }
175 }
176
177 if (Level)
178 {
179 AcpiOsPrintf ("\n");
180 }
181}
182
183
184/*******************************************************************************
185 *
186 * FUNCTION: AcpiDmByteList
187 *
188 * PARAMETERS: Info - Parse tree walk info
189 * Op - Byte list op
190 *
191 * RETURN: None
192 *
193 * DESCRIPTION: Dump a buffer byte list, handling the various types of buffers.
194 * Buffer type must be already set in the Op DisasmOpcode.
195 *
196 ******************************************************************************/
197
198void
199AcpiDmByteList (
200 ACPI_OP_WALK_INFO *Info,
201 ACPI_PARSE_OBJECT *Op)
202{
203 UINT8 *ByteData;
204 UINT32 ByteCount;
205
206
207 ByteData = Op->Named.Data;
208 ByteCount = (UINT32) Op->Common.Value.Integer;
209
210 /*
211 * The byte list belongs to a buffer, and can be produced by either
212 * a ResourceTemplate, Unicode, quoted string, or a plain byte list.
213 */
214 switch (Op->Common.Parent->Common.DisasmOpcode)
215 {
216 case ACPI_DASM_RESOURCE:
217
218 AcpiDmResourceDescriptor (Info, ByteData, ByteCount);
219 break;
220
221 case ACPI_DASM_STRING:
222
223 AcpiDmIndent (Info->Level);
224 AcpiUtPrintString ((char *) ByteData, ACPI_UINT8_MAX);
225 AcpiOsPrintf ("\n");
226 break;
227
228 case ACPI_DASM_UNICODE:
229
230 AcpiDmUnicode (Op);
231 break;
232
233 case ACPI_DASM_BUFFER:
234 default:
235
236 /*
237 * Not a resource, string, or unicode string.
238 * Just dump the buffer
239 */
240 AcpiDmDisasmByteList (Info->Level, ByteData, ByteCount);
241 break;
242 }
243}
244
245
246/*******************************************************************************
247 *
248 * FUNCTION: AcpiDmIsUnicodeBuffer
249 *
250 * PARAMETERS: Op - Buffer Object to be examined
251 *
252 * RETURN: TRUE if buffer contains a UNICODE string
253 *
254 * DESCRIPTION: Determine if a buffer Op contains a Unicode string
255 *
256 ******************************************************************************/
257
258BOOLEAN
259AcpiDmIsUnicodeBuffer (
260 ACPI_PARSE_OBJECT *Op)
261{
262 UINT8 *ByteData;
263 UINT32 ByteCount;
264 UINT32 WordCount;
265 ACPI_PARSE_OBJECT *SizeOp;
266 ACPI_PARSE_OBJECT *NextOp;
267 ACPI_NATIVE_UINT i;
268
269
270 /* Buffer size is the buffer argument */
271
272 SizeOp = Op->Common.Value.Arg;
273
274 /* Next, the initializer byte list to examine */
275
276 NextOp = SizeOp->Common.Next;
277 if (!NextOp)
278 {
279 return (FALSE);
280 }
281
282 /* Extract the byte list info */
283
284 ByteData = NextOp->Named.Data;
285 ByteCount = (UINT32) NextOp->Common.Value.Integer;
286 WordCount = ACPI_DIV_2 (ByteCount);
287
288 /*
289 * Unicode string must have an even number of bytes and last
290 * word must be zero
291 */
292 if ((!ByteCount) ||
293 (ByteCount < 4) ||
294 (ByteCount & 1) ||
295 ((UINT16 *) (void *) ByteData)[WordCount - 1] != 0)
296 {
297 return (FALSE);
298 }
299
300 /* For each word, 1st byte must be ascii, 2nd byte must be zero */
301
302 for (i = 0; i < (ByteCount - 2); i += 2)
303 {
304 if ((!ACPI_IS_PRINT (ByteData[i])) ||
305 (ByteData[i + 1] != 0))
306 {
307 return (FALSE);
308 }
309 }
310
311 /* Ignore the Size argument in the disassembly of this buffer op */
312
313 SizeOp->Common.DisasmFlags |= ACPI_PARSEOP_IGNORE;
314 return (TRUE);
315}
316
317
318/*******************************************************************************
319 *
320 * FUNCTION: AcpiDmIsStringBuffer
321 *
322 * PARAMETERS: Op - Buffer Object to be examined
323 *
324 * RETURN: TRUE if buffer contains a ASCII string
325 *
326 * DESCRIPTION: Determine if a buffer Op contains a ASCII string
327 *
328 ******************************************************************************/
329
330BOOLEAN
331AcpiDmIsStringBuffer (
332 ACPI_PARSE_OBJECT *Op)
333{
334 UINT8 *ByteData;
335 UINT32 ByteCount;
336 ACPI_PARSE_OBJECT *SizeOp;
337 ACPI_PARSE_OBJECT *NextOp;
338 UINT32 i;
339
340
341 /* Buffer size is the buffer argument */
342
343 SizeOp = Op->Common.Value.Arg;
344
345 /* Next, the initializer byte list to examine */
346
347 NextOp = SizeOp->Common.Next;
348 if (!NextOp)
349 {
350 return (FALSE);
351 }
352
353 /* Extract the byte list info */
354
355 ByteData = NextOp->Named.Data;
356 ByteCount = (UINT32) NextOp->Common.Value.Integer;
357
358 /* Last byte must be the null terminator */
359
360 if ((!ByteCount) ||
361 (ByteCount < 2) ||
362 (ByteData[ByteCount-1] != 0))
363 {
364 return (FALSE);
365 }
366
367 for (i = 0; i < (ByteCount - 1); i++)
368 {
369 /* TBD: allow some escapes (non-ascii chars).
370 * they will be handled in the string output routine
371 */
372
373 if (!ACPI_IS_PRINT (ByteData[i]))
374 {
375 return (FALSE);
376 }
377 }
378
379 return (TRUE);
380}
381
382
383/*******************************************************************************
384 *
385 * FUNCTION: AcpiDmUnicode
386 *
387 * PARAMETERS: Op - Byte List op containing Unicode string
388 *
389 * RETURN: None
390 *
391 * DESCRIPTION: Dump Unicode string as a standard ASCII string. (Remove
392 * the extra zero bytes).
393 *
394 ******************************************************************************/
395
396void
397AcpiDmUnicode (
398 ACPI_PARSE_OBJECT *Op)
399{
400 UINT16 *WordData;
401 UINT32 WordCount;
402 UINT32 i;
403
404
405 /* Extract the buffer info as a WORD buffer */
406
407 WordData = ACPI_CAST_PTR (UINT16, Op->Named.Data);
408 WordCount = ACPI_DIV_2 (((UINT32) Op->Common.Value.Integer));
409
410
411 AcpiOsPrintf ("\"");
412
413 /* Write every other byte as an ASCII character */
414
415 for (i = 0; i < (WordCount - 1); i++)
416 {
417 AcpiOsPrintf ("%c", (int) WordData[i]);
418 }
419
420 AcpiOsPrintf ("\")");
421}
422
423
424/*******************************************************************************
425 *
426 * FUNCTION: AcpiIsEisaId
427 *
428 * PARAMETERS: Op - Op to be examined
429 *
430 * RETURN: None
431 *
432 * DESCRIPTION: Determine if an Op can be converted to an EisaId.
433 *
434 ******************************************************************************/
435
436void
437AcpiIsEisaId (
438 ACPI_PARSE_OBJECT *Op)
439{
440 UINT32 Name;
441 UINT32 BigEndianId;
442 ACPI_PARSE_OBJECT *NextOp;
443 ACPI_NATIVE_UINT i;
444 UINT32 Prefix[3];
445
446
447 /* Get the NameSegment */
448
449 Name = AcpiPsGetName (Op);
450 if (!Name)
451 {
452 return;
453 }
454
455 /* We are looking for _HID */
456
457 if (ACPI_STRNCMP ((char *) &Name, METHOD_NAME__HID, 4))
458 {
459 return;
460 }
461
462 /* The parameter must be either a word or a dword */
463
464 NextOp = AcpiPsGetDepthNext (NULL, Op);
465 if ((NextOp->Common.AmlOpcode != AML_DWORD_OP) &&
466 (NextOp->Common.AmlOpcode != AML_WORD_OP))
467 {
468 return;
469 }
470
471 /* Swap from little-endian to big-endian to simplify conversion */
472
473 BigEndianId = AcpiUtDwordByteSwap ((UINT32) NextOp->Common.Value.Integer);
474
475 /* Create the 3 leading ASCII letters */
476
477 Prefix[0] = ((BigEndianId >> 26) & 0x1F) + 0x40;
478 Prefix[1] = ((BigEndianId >> 21) & 0x1F) + 0x40;
479 Prefix[2] = ((BigEndianId >> 16) & 0x1F) + 0x40;
480
481 /* Verify that all 3 are ascii and alpha */
482
483 for (i = 0; i < 3; i++)
484 {
485 if (!ACPI_IS_ASCII (Prefix[i]) ||
486 !ACPI_IS_ALPHA (Prefix[i]))
487 {
488 return;
489 }
490 }
491
492 /* OK - mark this node as convertable to an EISA ID */
493
494 NextOp->Common.DisasmOpcode = ACPI_DASM_EISAID;
495}
496
497
498/*******************************************************************************
499 *
500 * FUNCTION: AcpiDmEisaId
501 *
502 * PARAMETERS: EncodedId - Raw encoded EISA ID.
503 *
504 * RETURN: None
505 *
506 * DESCRIPTION: Convert an encoded EISAID back to the original ASCII String.
507 *
508 ******************************************************************************/
509
510void
511AcpiDmEisaId (
512 UINT32 EncodedId)
513{
514 UINT32 BigEndianId;
515
516
517 /* Swap from little-endian to big-endian to simplify conversion */
518
519 BigEndianId = AcpiUtDwordByteSwap (EncodedId);
520
521
522 /* Split to form "AAANNNN" string */
523
524 AcpiOsPrintf ("EisaId (\"%c%c%c%4.4X\")",
525
526 /* Three Alpha characters (AAA), 5 bits each */
527
528 (int) ((BigEndianId >> 26) & 0x1F) + 0x40,
529 (int) ((BigEndianId >> 21) & 0x1F) + 0x40,
530 (int) ((BigEndianId >> 16) & 0x1F) + 0x40,
531
532 /* Numeric part (NNNN) is simply the lower 16 bits */
533
534 (UINT32) (BigEndianId & 0xFFFF));
535}
536
537#endif
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