1 /******************************************************************************
3 * Module Name: apfiles - File-related functions for acpidump utility
5 *****************************************************************************/
7 /******************************************************************************
11 * Some or all of this work - Copyright (c) 1999 - 2015, Intel Corp.
12 * All rights reserved.
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
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
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;
37 * The above copyright and patent license is granted only if the following
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.
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
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
72 * 3.4. Intel retains all right, title, and interest in and to the Original
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.
80 * 4. Disclaimer and Export Compliance
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
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
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.
114 *****************************************************************************/
116 #include "acpidump.h"
120 /* Local prototypes */
132 struct stat StatInfo;
135 if (!stat (Pathname, &StatInfo))
137 AcpiLogError ("Target path already exists, overwrite? [y|n] ");
139 if (getchar () != 'y')
150 /******************************************************************************
152 * FUNCTION: ApOpenOutputFile
154 * PARAMETERS: Pathname - Output filename
156 * RETURN: Open file handle
158 * DESCRIPTION: Open a text output file for acpidump. Checks if file already
161 ******************************************************************************/
170 /* If file exists, prompt for overwrite */
172 if (ApIsExistingFile (Pathname) != 0)
177 /* Point stdout to the file */
179 File = AcpiOsOpenFile (Pathname, ACPI_FILE_WRITING);
182 AcpiLogError ("Could not open output file: %s\n", Pathname);
186 /* Save the file and path */
188 Gbl_OutputFile = File;
189 Gbl_OutputFilename = Pathname;
194 /******************************************************************************
196 * FUNCTION: ApWriteToBinaryFile
198 * PARAMETERS: Table - ACPI table to be written
199 * Instance - ACPI table instance no. to be written
203 * DESCRIPTION: Write an ACPI table to a binary file. Builds the output
204 * filename from the table signature.
206 ******************************************************************************/
209 ApWriteToBinaryFile (
210 ACPI_TABLE_HEADER *Table,
213 char Filename[ACPI_NAME_SIZE + 16];
214 char InstanceStr [16];
220 /* Obtain table length */
222 TableLength = ApGetTableLength (Table);
224 /* Construct lower-case filename from the table local signature */
226 if (ACPI_VALIDATE_RSDP_SIG (Table->Signature))
228 ACPI_MOVE_NAME (Filename, ACPI_RSDP_NAME);
232 ACPI_MOVE_NAME (Filename, Table->Signature);
234 Filename[0] = (char) ACPI_TOLOWER (Filename[0]);
235 Filename[1] = (char) ACPI_TOLOWER (Filename[1]);
236 Filename[2] = (char) ACPI_TOLOWER (Filename[2]);
237 Filename[3] = (char) ACPI_TOLOWER (Filename[3]);
238 Filename[ACPI_NAME_SIZE] = 0;
240 /* Handle multiple SSDTs - create different filenames for each */
244 AcpiUtSnprintf (InstanceStr, sizeof (InstanceStr), "%u", Instance);
245 ACPI_STRCAT (Filename, InstanceStr);
248 ACPI_STRCAT (Filename, ACPI_TABLE_FILE_SUFFIX);
253 "Writing [%4.4s] to binary file: %s 0x%X (%u) bytes\n",
254 Table->Signature, Filename, Table->Length, Table->Length);
257 /* Open the file and dump the entire table in binary mode */
259 File = AcpiOsOpenFile (Filename,
260 ACPI_FILE_WRITING | ACPI_FILE_BINARY);
263 AcpiLogError ("Could not open output file: %s\n", Filename);
267 Actual = AcpiOsWriteFile (File, Table, 1, TableLength);
268 if (Actual != TableLength)
270 AcpiLogError ("Error writing binary output file: %s\n", Filename);
271 AcpiOsCloseFile (File);
275 AcpiOsCloseFile (File);
280 /******************************************************************************
282 * FUNCTION: ApGetTableFromFile
284 * PARAMETERS: Pathname - File containing the binary ACPI table
285 * OutFileSize - Where the file size is returned
287 * RETURN: Buffer containing the ACPI table. NULL on error.
289 * DESCRIPTION: Open a file and read it entirely into a new buffer
291 ******************************************************************************/
298 ACPI_TABLE_HEADER *Buffer = NULL;
304 /* Must use binary mode */
306 File = AcpiOsOpenFile (Pathname, ACPI_FILE_READING | ACPI_FILE_BINARY);
309 AcpiLogError ("Could not open input file: %s\n", Pathname);
313 /* Need file size to allocate a buffer */
315 FileSize = CmGetFileSize (File);
316 if (FileSize == ACPI_UINT32_MAX)
319 "Could not get input file size: %s\n", Pathname);
323 /* Allocate a buffer for the entire file */
325 Buffer = ACPI_ALLOCATE_ZEROED (FileSize);
329 "Could not allocate file buffer of size: %u\n", FileSize);
333 /* Read the entire file */
335 Actual = AcpiOsReadFile (File, Buffer, 1, FileSize);
336 if (Actual != FileSize)
339 "Could not read input file: %s\n", Pathname);
345 *OutFileSize = FileSize;
348 AcpiOsCloseFile (File);