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)
7 ******************************************************************************/
9 /******************************************************************************
13 * Some or all of this work - Copyright (c) 1999 - 2005, Intel Corp.
14 * All rights reserved.
18 * 2.1. This is your license from Intel Corp. under its intellectual property
19 * rights. You may have additional license terms from the party that provided
20 * you this software, covering your right to use that party's intellectual
23 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
24 * copy of the source code appearing in this file ("Covered Code") an
25 * irrevocable, perpetual, worldwide license under Intel's copyrights in the
26 * base code distributed originally by Intel ("Original Intel Code") to copy,
27 * make derivatives, distribute, use and display any portion of the Covered
28 * Code in any form, with the right to sublicense such rights; and
30 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
31 * license (with the right to sublicense), under only those claims of Intel
32 * patents that are infringed by the Original Intel Code, to make, use, sell,
33 * offer to sell, and import the Covered Code and derivative works thereof
34 * solely to the minimum extent necessary to exercise the above copyright
35 * license, and in no event shall the patent license extend to any additions
36 * to or modifications of the Original Intel Code. No other license or right
37 * is granted directly or by implication, estoppel or otherwise;
39 * The above copyright and patent license is granted only if the following
44 * 3.1. Redistribution of Source with Rights to Further Distribute Source.
45 * Redistribution of source code of any substantial portion of the Covered
46 * Code or modification with rights to further distribute source must include
47 * the above Copyright Notice, the above License, this list of Conditions,
48 * and the following Disclaimer and Export Compliance provision. In addition,
49 * Licensee must cause all Covered Code to which Licensee contributes to
50 * contain a file documenting the changes Licensee made to create that Covered
51 * Code and the date of any change. Licensee must include in that file the
52 * documentation of any changes made by any predecessor Licensee. Licensee
53 * must include a prominent statement that the modification is derived,
54 * directly or indirectly, from Original Intel Code.
56 * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
57 * Redistribution of source code of any substantial portion of the Covered
58 * Code or modification without rights to further distribute source must
59 * include the following Disclaimer and Export Compliance provision in the
60 * documentation and/or other materials provided with distribution. In
61 * addition, Licensee may not authorize further sublicense of source of any
62 * portion of the Covered Code, and must include terms to the effect that the
63 * license from Licensee to its licensee is limited to the intellectual
64 * property embodied in the software Licensee provides to its licensee, and
65 * not to intellectual property embodied in modifications its licensee may
68 * 3.3. Redistribution of Executable. Redistribution in executable form of any
69 * substantial portion of the Covered Code or modification must reproduce the
70 * above Copyright Notice, and the following Disclaimer and Export Compliance
71 * provision in the documentation and/or other materials provided with the
74 * 3.4. Intel retains all right, title, and interest in and to the Original
77 * 3.5. Neither the name Intel nor any other trademark owned or controlled by
78 * Intel shall be used in advertising or otherwise to promote the sale, use or
79 * other dealings in products derived from or relating to the Covered Code
80 * without prior written authorization from Intel.
82 * 4. Disclaimer and Export Compliance
84 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
85 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
86 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
87 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
88 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
89 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
92 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
93 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
94 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
95 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
96 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
97 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
98 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
101 * 4.3. Licensee shall not export, either directly or indirectly, any of this
102 * software or system incorporating such software without first obtaining any
103 * required license or other approval from the U. S. Department of Commerce or
104 * any other agency or department of the United States Government. In the
105 * event Licensee exports any such software from the United States or
106 * re-exports any such software from a foreign destination, Licensee shall
107 * ensure that the distribution and export/re-export of the software is in
108 * compliance with all laws, regulations, orders, or other restrictions of the
109 * U.S. Export Administration Regulations. Licensee agrees that neither it nor
110 * any of its subsidiaries will export/re-export any technical data, process,
111 * software, or service, directly or indirectly, to any country for which the
112 * United States government or any agency thereof requires an export license,
113 * other governmental approval, or letter of assurance, without first obtaining
114 * such license, approval or letter.
116 *****************************************************************************/
119 #include <contrib/dev/acpica/acpi.h>
120 #include <contrib/dev/acpica/acdebug.h>
121 #include <contrib/dev/acpica/acnamesp.h>
122 #include <contrib/dev/acpica/actables.h>
124 #if (defined ACPI_DEBUGGER || defined ACPI_DISASSEMBLER)
126 #define _COMPONENT ACPI_CA_DEBUGGER
127 ACPI_MODULE_NAME ("dbfileio")
130 * NOTE: this is here for lack of a better place. It is used in all
131 * flavors of the debugger, need LCD file
133 #ifdef ACPI_APPLICATION
135 FILE *AcpiGbl_DebugFile = NULL;
141 /* Local prototypes */
143 #ifdef ACPI_APPLICATION
146 AcpiDbCheckTextModeCorruption (
153 ACPI_TABLE_HEADER *TablePtr);
157 /*******************************************************************************
159 * FUNCTION: AcpiDbCloseDebugFile
165 * DESCRIPTION: If open, close the current debug output file
167 ******************************************************************************/
170 AcpiDbCloseDebugFile (
174 #ifdef ACPI_APPLICATION
176 if (AcpiGbl_DebugFile)
178 fclose (AcpiGbl_DebugFile);
179 AcpiGbl_DebugFile = NULL;
180 AcpiGbl_DbOutputToFile = FALSE;
181 AcpiOsPrintf ("Debug output file %s closed\n", AcpiGbl_DbDebugFilename);
187 /*******************************************************************************
189 * FUNCTION: AcpiDbOpenDebugFile
191 * PARAMETERS: Name - Filename to open
195 * DESCRIPTION: Open a file where debug output will be directed.
197 ******************************************************************************/
200 AcpiDbOpenDebugFile (
204 #ifdef ACPI_APPLICATION
206 AcpiDbCloseDebugFile ();
207 AcpiGbl_DebugFile = fopen (Name, "w+");
208 if (AcpiGbl_DebugFile)
210 AcpiOsPrintf ("Debug output file %s opened\n", Name);
211 ACPI_STRCPY (AcpiGbl_DbDebugFilename, Name);
212 AcpiGbl_DbOutputToFile = TRUE;
216 AcpiOsPrintf ("Could not open debug file %s\n", Name);
224 #ifdef ACPI_APPLICATION
225 /*******************************************************************************
227 * FUNCTION: AcpiDbCheckTextModeCorruption
229 * PARAMETERS: Table - Table buffer
230 * TableLength - Length of table from the table header
231 * FileLength - Length of the file that contains the table
235 * DESCRIPTION: Check table for text mode file corruption where all linefeed
236 * characters (LF) have been replaced by carriage return linefeed
239 ******************************************************************************/
242 AcpiDbCheckTextModeCorruption (
251 if (TableLength != FileLength)
253 ACPI_REPORT_WARNING ((
254 "File length (0x%X) is not the same as the table length (0x%X)\n",
255 FileLength, TableLength));
258 /* Scan entire table to determine if each LF has been prefixed with a CR */
260 for (i = 1; i < FileLength; i++)
262 if (Table[i] == 0x0A)
264 if (Table[i - 1] != 0x0D)
266 /* The LF does not have a preceeding CR, table not corrupted */
272 /* Found a CR/LF pair */
281 * Entire table scanned, each CR is part of a CR/LF pair --
282 * meaning that the table was treated as a text file somewhere.
284 * NOTE: We can't "fix" the table, because any existing CR/LF pairs in the
285 * original table are left untouched by the text conversion process --
286 * meaning that we cannot simply replace CR/LF pairs with LFs.
288 AcpiOsPrintf ("Table has been corrupted by text mode conversion\n");
289 AcpiOsPrintf ("All LFs (%d) were changed to CR/LF pairs\n", Pairs);
290 AcpiOsPrintf ("Table cannot be repaired!\n");
291 return (AE_BAD_VALUE);
295 /*******************************************************************************
297 * FUNCTION: AcpiDbReadTable
299 * PARAMETERS: fp - File that contains table
300 * Table - Return value, buffer with table
301 * TableLength - Return value, length of table
305 * DESCRIPTION: Load the DSDT from the file pointer
307 ******************************************************************************/
312 ACPI_TABLE_HEADER **Table,
315 ACPI_TABLE_HEADER TableHeader;
321 fseek (fp, 0, SEEK_END);
322 FileSize = (UINT32) ftell (fp);
323 fseek (fp, 0, SEEK_SET);
325 /* Read the table header */
327 if (fread (&TableHeader, 1, sizeof (TableHeader), fp) !=
328 sizeof (ACPI_TABLE_HEADER))
330 AcpiOsPrintf ("Could not read the table header\n");
331 return (AE_BAD_HEADER);
334 /* Validate the table header/length */
336 Status = AcpiTbValidateTableHeader (&TableHeader);
337 if (ACPI_FAILURE (Status))
339 AcpiOsPrintf ("Table header is invalid!\n");
343 /* File size must be at least as long as the Header-specified length */
345 if (TableHeader.Length > FileSize)
348 "TableHeader length [0x%X] greater than the input file size [0x%X]\n",
349 TableHeader.Length, FileSize);
350 return (AE_BAD_HEADER);
353 /* We only support a limited number of table types */
355 if (ACPI_STRNCMP ((char *) TableHeader.Signature, DSDT_SIG, 4) &&
356 ACPI_STRNCMP ((char *) TableHeader.Signature, PSDT_SIG, 4) &&
357 ACPI_STRNCMP ((char *) TableHeader.Signature, SSDT_SIG, 4))
359 AcpiOsPrintf ("Table signature [%4.4s] is invalid or not supported\n",
360 (char *) TableHeader.Signature);
361 ACPI_DUMP_BUFFER (&TableHeader, sizeof (ACPI_TABLE_HEADER));
365 /* Allocate a buffer for the table */
367 *TableLength = TableHeader.Length;
368 *Table = AcpiOsAllocate ((size_t) (FileSize));
372 "Could not allocate memory for ACPI table %4.4s (size=0x%X)\n",
373 TableHeader.Signature, TableHeader.Length);
374 return (AE_NO_MEMORY);
377 /* Get the rest of the table */
379 fseek (fp, 0, SEEK_SET);
380 Actual = fread (*Table, 1, (size_t) FileSize, fp);
381 if (Actual == FileSize)
383 /* Now validate the checksum */
385 Status = AcpiTbVerifyTableChecksum (*Table);
387 if (Status == AE_BAD_CHECKSUM)
389 Status = AcpiDbCheckTextModeCorruption ((UINT8 *) *Table,
390 FileSize, (*Table)->Length);
398 AcpiOsPrintf ("Warning - reading table, asked for %X got %X\n",
403 AcpiOsPrintf ("Error - could not read the table file\n");
412 /*******************************************************************************
414 * FUNCTION: AeLocalLoadTable
416 * PARAMETERS: Table - pointer to a buffer containing the entire
421 * DESCRIPTION: This function is called to load a table from the caller's
422 * buffer. The buffer must contain an entire ACPI Table including
423 * a valid header. The header fields will be verified, and if it
424 * is determined that the table is invalid, the call will fail.
426 ******************************************************************************/
430 ACPI_TABLE_HEADER *Table)
433 ACPI_TABLE_DESC TableInfo;
436 ACPI_FUNCTION_TRACE ("AeLocalLoadTable");
441 return_ACPI_STATUS (AE_BAD_PARAMETER);
444 TableInfo.Pointer = Table;
445 Status = AcpiTbRecognizeTable (&TableInfo, ACPI_TABLE_ALL);
446 if (ACPI_FAILURE (Status))
448 return_ACPI_STATUS (Status);
451 /* Install the new table into the local data structures */
453 Status = AcpiTbInstallTable (&TableInfo);
454 if (ACPI_FAILURE (Status))
456 if (Status == AE_ALREADY_EXISTS)
458 /* Table already exists, no error */
463 /* Free table allocated by AcpiTbGetTable */
465 AcpiTbDeleteSingleTable (&TableInfo);
466 return_ACPI_STATUS (Status);
469 #if (!defined (ACPI_NO_METHOD_EXECUTION) && !defined (ACPI_CONSTANT_EVAL_ONLY))
471 Status = AcpiNsLoadTable (TableInfo.InstalledDesc, AcpiGbl_RootNode);
472 if (ACPI_FAILURE (Status))
474 /* Uninstall table and free the buffer */
476 AcpiTbDeleteTablesByType (ACPI_TABLE_DSDT);
477 return_ACPI_STATUS (Status);
481 return_ACPI_STATUS (Status);
485 /*******************************************************************************
487 * FUNCTION: AcpiDbReadTableFromFile
489 * PARAMETERS: Filename - File where table is located
490 * Table - Where a pointer to the table is returned
494 * DESCRIPTION: Get an ACPI table from a file
496 ******************************************************************************/
499 AcpiDbReadTableFromFile (
501 ACPI_TABLE_HEADER **Table)
510 fp = fopen (Filename, "rb");
513 AcpiOsPrintf ("Could not open input file %s\n", Filename);
517 /* Get the entire file */
519 fprintf (stderr, "Loading Acpi table from file %s\n", Filename);
520 Status = AcpiDbReadTable (fp, Table, &TableLength);
523 if (ACPI_FAILURE (Status))
525 AcpiOsPrintf ("Could not get table from the file\n");
534 /*******************************************************************************
536 * FUNCTION: AcpiDbGetTableFromFile
538 * PARAMETERS: Filename - File where table is located
539 * ReturnTable - Where a pointer to the table is returned
543 * DESCRIPTION: Load an ACPI table from a file
545 ******************************************************************************/
548 AcpiDbGetTableFromFile (
550 ACPI_TABLE_HEADER **ReturnTable)
552 #ifdef ACPI_APPLICATION
554 ACPI_TABLE_HEADER *Table;
557 Status = AcpiDbReadTableFromFile (Filename, &Table);
558 if (ACPI_FAILURE (Status))
563 /* Attempt to recognize and install the table */
565 Status = AeLocalLoadTable (Table);
566 if (ACPI_FAILURE (Status))
568 if (Status == AE_ALREADY_EXISTS)
570 AcpiOsPrintf ("Table %4.4s is already installed\n",
575 AcpiOsPrintf ("Could not install table, %s\n",
576 AcpiFormatException (Status));
582 fprintf (stderr, "Acpi table [%4.4s] successfully installed and loaded\n",
585 AcpiGbl_AcpiHardwarePresent = FALSE;
588 *ReturnTable = Table;
592 #endif /* ACPI_APPLICATION */
596 #endif /* ACPI_DEBUGGER */