1 /*******************************************************************************
3 * Module Name: dbfileio - Debugger file I/O commands. These can't usually
4 * be used when running the debugger in Ring 0 (Kernel mode)
6 ******************************************************************************/
8 /******************************************************************************
12 * Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp.
13 * All rights reserved.
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
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
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;
38 * The above copyright and patent license is granted only if the following
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.
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
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
73 * 3.4. Intel retains all right, title, and interest in and to the Original
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.
81 * 4. Disclaimer and Export Compliance
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
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
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.
115 *****************************************************************************/
118 #include <contrib/dev/acpica/include/acpi.h>
119 #include <contrib/dev/acpica/include/accommon.h>
120 #include <contrib/dev/acpica/include/acdebug.h>
122 #ifdef ACPI_APPLICATION
123 #include <contrib/dev/acpica/include/actables.h>
126 #if (defined ACPI_DEBUGGER || defined ACPI_DISASSEMBLER)
128 #define _COMPONENT ACPI_CA_DEBUGGER
129 ACPI_MODULE_NAME ("dbfileio")
132 * NOTE: this is here for lack of a better place. It is used in all
133 * flavors of the debugger, need LCD file
135 #ifdef ACPI_APPLICATION
137 FILE *AcpiGbl_DebugFile = NULL;
143 /* Local prototypes */
145 #ifdef ACPI_APPLICATION
148 AcpiDbCheckTextModeCorruption (
155 /*******************************************************************************
157 * FUNCTION: AcpiDbCloseDebugFile
163 * DESCRIPTION: If open, close the current debug output file
165 ******************************************************************************/
168 AcpiDbCloseDebugFile (
172 #ifdef ACPI_APPLICATION
174 if (AcpiGbl_DebugFile)
176 fclose (AcpiGbl_DebugFile);
177 AcpiGbl_DebugFile = NULL;
178 AcpiGbl_DbOutputToFile = FALSE;
179 AcpiOsPrintf ("Debug output file %s closed\n", AcpiGbl_DbDebugFilename);
185 /*******************************************************************************
187 * FUNCTION: AcpiDbOpenDebugFile
189 * PARAMETERS: Name - Filename to open
193 * DESCRIPTION: Open a file where debug output will be directed.
195 ******************************************************************************/
198 AcpiDbOpenDebugFile (
202 #ifdef ACPI_APPLICATION
204 AcpiDbCloseDebugFile ();
205 AcpiGbl_DebugFile = fopen (Name, "w+");
206 if (AcpiGbl_DebugFile)
208 AcpiOsPrintf ("Debug output file %s opened\n", Name);
209 ACPI_STRCPY (AcpiGbl_DbDebugFilename, Name);
210 AcpiGbl_DbOutputToFile = TRUE;
214 AcpiOsPrintf ("Could not open debug file %s\n", Name);
222 #ifdef ACPI_APPLICATION
223 /*******************************************************************************
225 * FUNCTION: AcpiDbCheckTextModeCorruption
227 * PARAMETERS: Table - Table buffer
228 * TableLength - Length of table from the table header
229 * FileLength - Length of the file that contains the table
233 * DESCRIPTION: Check table for text mode file corruption where all linefeed
234 * characters (LF) have been replaced by carriage return linefeed
237 ******************************************************************************/
240 AcpiDbCheckTextModeCorruption (
249 if (TableLength != FileLength)
251 ACPI_WARNING ((AE_INFO,
252 "File length (0x%X) is not the same as the table length (0x%X)",
253 FileLength, TableLength));
256 /* Scan entire table to determine if each LF has been prefixed with a CR */
258 for (i = 1; i < FileLength; i++)
260 if (Table[i] == 0x0A)
262 if (Table[i - 1] != 0x0D)
264 /* The LF does not have a preceding CR, table not corrupted */
270 /* Found a CR/LF pair */
284 * Entire table scanned, each CR is part of a CR/LF pair --
285 * meaning that the table was treated as a text file somewhere.
287 * NOTE: We can't "fix" the table, because any existing CR/LF pairs in the
288 * original table are left untouched by the text conversion process --
289 * meaning that we cannot simply replace CR/LF pairs with LFs.
291 AcpiOsPrintf ("Table has been corrupted by text mode conversion\n");
292 AcpiOsPrintf ("All LFs (%d) were changed to CR/LF pairs\n", Pairs);
293 AcpiOsPrintf ("Table cannot be repaired!\n");
294 return (AE_BAD_VALUE);
298 /*******************************************************************************
300 * FUNCTION: AcpiDbReadTable
302 * PARAMETERS: fp - File that contains table
303 * Table - Return value, buffer with table
304 * TableLength - Return value, length of table
308 * DESCRIPTION: Load the DSDT from the file pointer
310 ******************************************************************************/
315 ACPI_TABLE_HEADER **Table,
318 ACPI_TABLE_HEADER TableHeader;
322 BOOLEAN StandardHeader = TRUE;
325 /* Get the file size */
327 fseek (fp, 0, SEEK_END);
328 FileSize = (UINT32) ftell (fp);
329 fseek (fp, 0, SEEK_SET);
333 return (AE_BAD_HEADER);
336 /* Read the signature */
338 if (fread (&TableHeader, 1, 4, fp) != 4)
340 AcpiOsPrintf ("Could not read the table signature\n");
341 return (AE_BAD_HEADER);
344 fseek (fp, 0, SEEK_SET);
346 /* The RSDT and FACS tables do not have standard ACPI headers */
348 if (ACPI_COMPARE_NAME (TableHeader.Signature, "RSD ") ||
349 ACPI_COMPARE_NAME (TableHeader.Signature, "FACS"))
351 *TableLength = FileSize;
352 StandardHeader = FALSE;
356 /* Read the table header */
358 if (fread (&TableHeader, 1, sizeof (TableHeader), fp) !=
359 sizeof (ACPI_TABLE_HEADER))
361 AcpiOsPrintf ("Could not read the table header\n");
362 return (AE_BAD_HEADER);
366 /* Validate the table header/length */
368 Status = AcpiTbValidateTableHeader (&TableHeader);
369 if (ACPI_FAILURE (Status))
371 AcpiOsPrintf ("Table header is invalid!\n");
376 /* File size must be at least as long as the Header-specified length */
378 if (TableHeader.Length > FileSize)
381 "TableHeader length [0x%X] greater than the input file size [0x%X]\n",
382 TableHeader.Length, FileSize);
383 return (AE_BAD_HEADER);
386 #ifdef ACPI_OBSOLETE_CODE
387 /* We only support a limited number of table types */
389 if (ACPI_STRNCMP ((char *) TableHeader.Signature, DSDT_SIG, 4) &&
390 ACPI_STRNCMP ((char *) TableHeader.Signature, PSDT_SIG, 4) &&
391 ACPI_STRNCMP ((char *) TableHeader.Signature, SSDT_SIG, 4))
393 AcpiOsPrintf ("Table signature [%4.4s] is invalid or not supported\n",
394 (char *) TableHeader.Signature);
395 ACPI_DUMP_BUFFER (&TableHeader, sizeof (ACPI_TABLE_HEADER));
400 *TableLength = TableHeader.Length;
403 /* Allocate a buffer for the table */
405 *Table = AcpiOsAllocate ((size_t) FileSize);
409 "Could not allocate memory for ACPI table %4.4s (size=0x%X)\n",
410 TableHeader.Signature, *TableLength);
411 return (AE_NO_MEMORY);
414 /* Get the rest of the table */
416 fseek (fp, 0, SEEK_SET);
417 Actual = fread (*Table, 1, (size_t) FileSize, fp);
418 if (Actual == FileSize)
422 /* Now validate the checksum */
424 Status = AcpiTbVerifyChecksum ((void *) *Table,
425 ACPI_CAST_PTR (ACPI_TABLE_HEADER, *Table)->Length);
427 if (Status == AE_BAD_CHECKSUM)
429 Status = AcpiDbCheckTextModeCorruption ((UINT8 *) *Table,
430 FileSize, (*Table)->Length);
439 AcpiOsPrintf ("Warning - reading table, asked for %X got %X\n",
444 AcpiOsPrintf ("Error - could not read the table file\n");
453 /*******************************************************************************
455 * FUNCTION: AeLocalLoadTable
457 * PARAMETERS: Table - pointer to a buffer containing the entire
462 * DESCRIPTION: This function is called to load a table from the caller's
463 * buffer. The buffer must contain an entire ACPI Table including
464 * a valid header. The header fields will be verified, and if it
465 * is determined that the table is invalid, the call will fail.
467 ******************************************************************************/
471 ACPI_TABLE_HEADER *Table)
473 ACPI_STATUS Status = AE_OK;
474 /* ACPI_TABLE_DESC TableInfo; */
477 ACPI_FUNCTION_TRACE (AeLocalLoadTable);
483 return_ACPI_STATUS (AE_BAD_PARAMETER);
486 TableInfo.Pointer = Table;
487 Status = AcpiTbRecognizeTable (&TableInfo, ACPI_TABLE_ALL);
488 if (ACPI_FAILURE (Status))
490 return_ACPI_STATUS (Status);
493 /* Install the new table into the local data structures */
495 Status = AcpiTbInstallTable (&TableInfo);
496 if (ACPI_FAILURE (Status))
498 if (Status == AE_ALREADY_EXISTS)
500 /* Table already exists, no error */
505 /* Free table allocated by AcpiTbGetTable */
507 AcpiTbDeleteSingleTable (&TableInfo);
508 return_ACPI_STATUS (Status);
511 #if (!defined (ACPI_NO_METHOD_EXECUTION) && !defined (ACPI_CONSTANT_EVAL_ONLY))
513 Status = AcpiNsLoadTable (TableInfo.InstalledDesc, AcpiGbl_RootNode);
514 if (ACPI_FAILURE (Status))
516 /* Uninstall table and free the buffer */
518 AcpiTbDeleteTablesByType (ACPI_TABLE_ID_DSDT);
519 return_ACPI_STATUS (Status);
524 return_ACPI_STATUS (Status);
528 /*******************************************************************************
530 * FUNCTION: AcpiDbReadTableFromFile
532 * PARAMETERS: Filename - File where table is located
533 * Table - Where a pointer to the table is returned
537 * DESCRIPTION: Get an ACPI table from a file
539 ******************************************************************************/
542 AcpiDbReadTableFromFile (
544 ACPI_TABLE_HEADER **Table)
553 fp = fopen (Filename, "rb");
556 AcpiOsPrintf ("Could not open input file %s\n", Filename);
560 /* Get the entire file */
562 fprintf (stderr, "Loading Acpi table from file %s\n", Filename);
563 Status = AcpiDbReadTable (fp, Table, &TableLength);
566 if (ACPI_FAILURE (Status))
568 AcpiOsPrintf ("Could not get table from the file\n");
577 /*******************************************************************************
579 * FUNCTION: AcpiDbGetTableFromFile
581 * PARAMETERS: Filename - File where table is located
582 * ReturnTable - Where a pointer to the table is returned
586 * DESCRIPTION: Load an ACPI table from a file
588 ******************************************************************************/
591 AcpiDbGetTableFromFile (
593 ACPI_TABLE_HEADER **ReturnTable)
595 #ifdef ACPI_APPLICATION
597 ACPI_TABLE_HEADER *Table;
598 BOOLEAN IsAmlTable = TRUE;
601 Status = AcpiDbReadTableFromFile (Filename, &Table);
602 if (ACPI_FAILURE (Status))
607 #ifdef ACPI_DATA_TABLE_DISASSEMBLY
608 IsAmlTable = AcpiUtIsAmlTable (Table);
613 /* Attempt to recognize and install the table */
615 Status = AeLocalLoadTable (Table);
616 if (ACPI_FAILURE (Status))
618 if (Status == AE_ALREADY_EXISTS)
620 AcpiOsPrintf ("Table %4.4s is already installed\n",
625 AcpiOsPrintf ("Could not install table, %s\n",
626 AcpiFormatException (Status));
633 "Acpi table [%4.4s] successfully installed and loaded\n",
637 AcpiGbl_AcpiHardwarePresent = FALSE;
640 *ReturnTable = Table;
644 #endif /* ACPI_APPLICATION */
648 #endif /* ACPI_DEBUGGER */