1bc36eafdSMike Gerdts /******************************************************************************
2bc36eafdSMike Gerdts *
3bc36eafdSMike Gerdts * Module Name: acfileio - Get ACPI tables from file
4bc36eafdSMike Gerdts *
5bc36eafdSMike Gerdts *****************************************************************************/
6bc36eafdSMike Gerdts
7*35786f68SRobert Mustacchi /******************************************************************************
8*35786f68SRobert Mustacchi *
9*35786f68SRobert Mustacchi * 1. Copyright Notice
10*35786f68SRobert Mustacchi *
11*35786f68SRobert Mustacchi * Some or all of this work - Copyright (c) 1999 - 2018, Intel Corp.
12bc36eafdSMike Gerdts * All rights reserved.
13bc36eafdSMike Gerdts *
14*35786f68SRobert Mustacchi * 2. License
15*35786f68SRobert Mustacchi *
16*35786f68SRobert Mustacchi * 2.1. This is your license from Intel Corp. under its intellectual property
17*35786f68SRobert Mustacchi * rights. You may have additional license terms from the party that provided
18*35786f68SRobert Mustacchi * you this software, covering your right to use that party's intellectual
19*35786f68SRobert Mustacchi * property rights.
20*35786f68SRobert Mustacchi *
21*35786f68SRobert Mustacchi * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
22*35786f68SRobert Mustacchi * copy of the source code appearing in this file ("Covered Code") an
23*35786f68SRobert Mustacchi * irrevocable, perpetual, worldwide license under Intel's copyrights in the
24*35786f68SRobert Mustacchi * base code distributed originally by Intel ("Original Intel Code") to copy,
25*35786f68SRobert Mustacchi * make derivatives, distribute, use and display any portion of the Covered
26*35786f68SRobert Mustacchi * Code in any form, with the right to sublicense such rights; and
27*35786f68SRobert Mustacchi *
28*35786f68SRobert Mustacchi * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
29*35786f68SRobert Mustacchi * license (with the right to sublicense), under only those claims of Intel
30*35786f68SRobert Mustacchi * patents that are infringed by the Original Intel Code, to make, use, sell,
31*35786f68SRobert Mustacchi * offer to sell, and import the Covered Code and derivative works thereof
32*35786f68SRobert Mustacchi * solely to the minimum extent necessary to exercise the above copyright
33*35786f68SRobert Mustacchi * license, and in no event shall the patent license extend to any additions
34*35786f68SRobert Mustacchi * to or modifications of the Original Intel Code. No other license or right
35*35786f68SRobert Mustacchi * is granted directly or by implication, estoppel or otherwise;
36*35786f68SRobert Mustacchi *
37*35786f68SRobert Mustacchi * The above copyright and patent license is granted only if the following
38*35786f68SRobert Mustacchi * conditions are met:
39*35786f68SRobert Mustacchi *
40*35786f68SRobert Mustacchi * 3. Conditions
41*35786f68SRobert Mustacchi *
42*35786f68SRobert Mustacchi * 3.1. Redistribution of Source with Rights to Further Distribute Source.
43*35786f68SRobert Mustacchi * Redistribution of source code of any substantial portion of the Covered
44*35786f68SRobert Mustacchi * Code or modification with rights to further distribute source must include
45*35786f68SRobert Mustacchi * the above Copyright Notice, the above License, this list of Conditions,
46*35786f68SRobert Mustacchi * and the following Disclaimer and Export Compliance provision. In addition,
47*35786f68SRobert Mustacchi * Licensee must cause all Covered Code to which Licensee contributes to
48*35786f68SRobert Mustacchi * contain a file documenting the changes Licensee made to create that Covered
49*35786f68SRobert Mustacchi * Code and the date of any change. Licensee must include in that file the
50*35786f68SRobert Mustacchi * documentation of any changes made by any predecessor Licensee. Licensee
51*35786f68SRobert Mustacchi * must include a prominent statement that the modification is derived,
52*35786f68SRobert Mustacchi * directly or indirectly, from Original Intel Code.
53*35786f68SRobert Mustacchi *
54*35786f68SRobert Mustacchi * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
55*35786f68SRobert Mustacchi * Redistribution of source code of any substantial portion of the Covered
56*35786f68SRobert Mustacchi * Code or modification without rights to further distribute source must
57*35786f68SRobert Mustacchi * include the following Disclaimer and Export Compliance provision in the
58*35786f68SRobert Mustacchi * documentation and/or other materials provided with distribution. In
59*35786f68SRobert Mustacchi * addition, Licensee may not authorize further sublicense of source of any
60*35786f68SRobert Mustacchi * portion of the Covered Code, and must include terms to the effect that the
61*35786f68SRobert Mustacchi * license from Licensee to its licensee is limited to the intellectual
62*35786f68SRobert Mustacchi * property embodied in the software Licensee provides to its licensee, and
63*35786f68SRobert Mustacchi * not to intellectual property embodied in modifications its licensee may
64*35786f68SRobert Mustacchi * make.
65*35786f68SRobert Mustacchi *
66*35786f68SRobert Mustacchi * 3.3. Redistribution of Executable. Redistribution in executable form of any
67*35786f68SRobert Mustacchi * substantial portion of the Covered Code or modification must reproduce the
68*35786f68SRobert Mustacchi * above Copyright Notice, and the following Disclaimer and Export Compliance
69*35786f68SRobert Mustacchi * provision in the documentation and/or other materials provided with the
70*35786f68SRobert Mustacchi * distribution.
71*35786f68SRobert Mustacchi *
72*35786f68SRobert Mustacchi * 3.4. Intel retains all right, title, and interest in and to the Original
73*35786f68SRobert Mustacchi * Intel Code.
74*35786f68SRobert Mustacchi *
75*35786f68SRobert Mustacchi * 3.5. Neither the name Intel nor any other trademark owned or controlled by
76*35786f68SRobert Mustacchi * Intel shall be used in advertising or otherwise to promote the sale, use or
77*35786f68SRobert Mustacchi * other dealings in products derived from or relating to the Covered Code
78*35786f68SRobert Mustacchi * without prior written authorization from Intel.
79*35786f68SRobert Mustacchi *
80*35786f68SRobert Mustacchi * 4. Disclaimer and Export Compliance
81*35786f68SRobert Mustacchi *
82*35786f68SRobert Mustacchi * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
83*35786f68SRobert Mustacchi * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
84*35786f68SRobert Mustacchi * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
85*35786f68SRobert Mustacchi * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
86*35786f68SRobert Mustacchi * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
87*35786f68SRobert Mustacchi * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
88*35786f68SRobert Mustacchi * PARTICULAR PURPOSE.
89*35786f68SRobert Mustacchi *
90*35786f68SRobert Mustacchi * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
91*35786f68SRobert Mustacchi * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
92*35786f68SRobert Mustacchi * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
93*35786f68SRobert Mustacchi * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
94*35786f68SRobert Mustacchi * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
95*35786f68SRobert Mustacchi * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
96*35786f68SRobert Mustacchi * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
97*35786f68SRobert Mustacchi * LIMITED REMEDY.
98*35786f68SRobert Mustacchi *
99*35786f68SRobert Mustacchi * 4.3. Licensee shall not export, either directly or indirectly, any of this
100*35786f68SRobert Mustacchi * software or system incorporating such software without first obtaining any
101*35786f68SRobert Mustacchi * required license or other approval from the U. S. Department of Commerce or
102*35786f68SRobert Mustacchi * any other agency or department of the United States Government. In the
103*35786f68SRobert Mustacchi * event Licensee exports any such software from the United States or
104*35786f68SRobert Mustacchi * re-exports any such software from a foreign destination, Licensee shall
105*35786f68SRobert Mustacchi * ensure that the distribution and export/re-export of the software is in
106*35786f68SRobert Mustacchi * compliance with all laws, regulations, orders, or other restrictions of the
107*35786f68SRobert Mustacchi * U.S. Export Administration Regulations. Licensee agrees that neither it nor
108*35786f68SRobert Mustacchi * any of its subsidiaries will export/re-export any technical data, process,
109*35786f68SRobert Mustacchi * software, or service, directly or indirectly, to any country for which the
110*35786f68SRobert Mustacchi * United States government or any agency thereof requires an export license,
111*35786f68SRobert Mustacchi * other governmental approval, or letter of assurance, without first obtaining
112*35786f68SRobert Mustacchi * such license, approval or letter.
113*35786f68SRobert Mustacchi *
114*35786f68SRobert Mustacchi *****************************************************************************
115*35786f68SRobert Mustacchi *
116*35786f68SRobert Mustacchi * Alternatively, you may choose to be licensed under the terms of the
117*35786f68SRobert Mustacchi * following license:
118*35786f68SRobert Mustacchi *
119bc36eafdSMike Gerdts * Redistribution and use in source and binary forms, with or without
120bc36eafdSMike Gerdts * modification, are permitted provided that the following conditions
121bc36eafdSMike Gerdts * are met:
122bc36eafdSMike Gerdts * 1. Redistributions of source code must retain the above copyright
123bc36eafdSMike Gerdts * notice, this list of conditions, and the following disclaimer,
124bc36eafdSMike Gerdts * without modification.
125bc36eafdSMike Gerdts * 2. Redistributions in binary form must reproduce at minimum a disclaimer
126bc36eafdSMike Gerdts * substantially similar to the "NO WARRANTY" disclaimer below
127bc36eafdSMike Gerdts * ("Disclaimer") and any redistribution must be conditioned upon
128bc36eafdSMike Gerdts * including a substantially similar Disclaimer requirement for further
129bc36eafdSMike Gerdts * binary redistribution.
130bc36eafdSMike Gerdts * 3. Neither the names of the above-listed copyright holders nor the names
131bc36eafdSMike Gerdts * of any contributors may be used to endorse or promote products derived
132bc36eafdSMike Gerdts * from this software without specific prior written permission.
133bc36eafdSMike Gerdts *
134bc36eafdSMike Gerdts * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
135bc36eafdSMike Gerdts * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
136*35786f68SRobert Mustacchi * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
137bc36eafdSMike Gerdts * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
138*35786f68SRobert Mustacchi * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
139*35786f68SRobert Mustacchi * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
140*35786f68SRobert Mustacchi * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
141*35786f68SRobert Mustacchi * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
142*35786f68SRobert Mustacchi * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
143*35786f68SRobert Mustacchi * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
144*35786f68SRobert Mustacchi * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
145*35786f68SRobert Mustacchi *
146*35786f68SRobert Mustacchi * Alternatively, you may choose to be licensed under the terms of the
147*35786f68SRobert Mustacchi * GNU General Public License ("GPL") version 2 as published by the Free
148*35786f68SRobert Mustacchi * Software Foundation.
149*35786f68SRobert Mustacchi *
150*35786f68SRobert Mustacchi *****************************************************************************/
151bc36eafdSMike Gerdts
152bc36eafdSMike Gerdts #include "acpi.h"
153bc36eafdSMike Gerdts #include "accommon.h"
154bc36eafdSMike Gerdts #include "actables.h"
155bc36eafdSMike Gerdts #include "acutils.h"
156*35786f68SRobert Mustacchi #include "acapps.h"
157bc36eafdSMike Gerdts
158bc36eafdSMike Gerdts #define _COMPONENT ACPI_UTILITIES
159bc36eafdSMike Gerdts ACPI_MODULE_NAME ("acfileio")
160bc36eafdSMike Gerdts
161bc36eafdSMike Gerdts
162bc36eafdSMike Gerdts /* Local prototypes */
163bc36eafdSMike Gerdts
164bc36eafdSMike Gerdts static ACPI_STATUS
165bc36eafdSMike Gerdts AcGetOneTableFromFile (
166bc36eafdSMike Gerdts char *Filename,
167bc36eafdSMike Gerdts FILE *File,
168bc36eafdSMike Gerdts UINT8 GetOnlyAmlTables,
169bc36eafdSMike Gerdts ACPI_TABLE_HEADER **Table);
170bc36eafdSMike Gerdts
171bc36eafdSMike Gerdts static ACPI_STATUS
172bc36eafdSMike Gerdts AcCheckTextModeCorruption (
173bc36eafdSMike Gerdts ACPI_TABLE_HEADER *Table);
174bc36eafdSMike Gerdts
175bc36eafdSMike Gerdts
176*35786f68SRobert Mustacchi /*******************************************************************************
177*35786f68SRobert Mustacchi *
178*35786f68SRobert Mustacchi * FUNCTION: AcDeleteTableList
179*35786f68SRobert Mustacchi *
180*35786f68SRobert Mustacchi * PARAMETERS: ListHead - List to delete
181*35786f68SRobert Mustacchi *
182*35786f68SRobert Mustacchi * RETURN: Status
183*35786f68SRobert Mustacchi *
184*35786f68SRobert Mustacchi * DESCRIPTION: Delete a list of tables. This is useful for removing memory
185*35786f68SRobert Mustacchi * allocated by AcGetAllTablesFromFile
186*35786f68SRobert Mustacchi *
187*35786f68SRobert Mustacchi ******************************************************************************/
188*35786f68SRobert Mustacchi
189*35786f68SRobert Mustacchi void
AcDeleteTableList(ACPI_NEW_TABLE_DESC * ListHead)190*35786f68SRobert Mustacchi AcDeleteTableList (
191*35786f68SRobert Mustacchi ACPI_NEW_TABLE_DESC *ListHead)
192*35786f68SRobert Mustacchi {
193*35786f68SRobert Mustacchi ACPI_NEW_TABLE_DESC *Current = ListHead;
194*35786f68SRobert Mustacchi ACPI_NEW_TABLE_DESC *Previous = Current;
195*35786f68SRobert Mustacchi
196*35786f68SRobert Mustacchi
197*35786f68SRobert Mustacchi while (Current)
198*35786f68SRobert Mustacchi {
199*35786f68SRobert Mustacchi Current = Current->Next;
200*35786f68SRobert Mustacchi AcpiOsFree (Previous);
201*35786f68SRobert Mustacchi Previous = Current;
202*35786f68SRobert Mustacchi }
203*35786f68SRobert Mustacchi }
204*35786f68SRobert Mustacchi
205*35786f68SRobert Mustacchi
206bc36eafdSMike Gerdts /*******************************************************************************
207bc36eafdSMike Gerdts *
208bc36eafdSMike Gerdts * FUNCTION: AcGetAllTablesFromFile
209bc36eafdSMike Gerdts *
210bc36eafdSMike Gerdts * PARAMETERS: Filename - Table filename
211bc36eafdSMike Gerdts * GetOnlyAmlTables - TRUE if the tables must be AML tables
212bc36eafdSMike Gerdts * ReturnListHead - Where table list is returned
213bc36eafdSMike Gerdts *
214bc36eafdSMike Gerdts * RETURN: Status
215bc36eafdSMike Gerdts *
216bc36eafdSMike Gerdts * DESCRIPTION: Get all ACPI tables from within a single file.
217bc36eafdSMike Gerdts *
218bc36eafdSMike Gerdts ******************************************************************************/
219bc36eafdSMike Gerdts
220bc36eafdSMike Gerdts ACPI_STATUS
AcGetAllTablesFromFile(char * Filename,UINT8 GetOnlyAmlTables,ACPI_NEW_TABLE_DESC ** ReturnListHead)221bc36eafdSMike Gerdts AcGetAllTablesFromFile (
222bc36eafdSMike Gerdts char *Filename,
223bc36eafdSMike Gerdts UINT8 GetOnlyAmlTables,
224bc36eafdSMike Gerdts ACPI_NEW_TABLE_DESC **ReturnListHead)
225bc36eafdSMike Gerdts {
226bc36eafdSMike Gerdts ACPI_NEW_TABLE_DESC *ListHead = NULL;
227bc36eafdSMike Gerdts ACPI_NEW_TABLE_DESC *ListTail = NULL;
228bc36eafdSMike Gerdts ACPI_NEW_TABLE_DESC *TableDesc;
229bc36eafdSMike Gerdts FILE *File;
230bc36eafdSMike Gerdts ACPI_TABLE_HEADER *Table = NULL;
231bc36eafdSMike Gerdts UINT32 FileSize;
232bc36eafdSMike Gerdts ACPI_STATUS Status = AE_OK;
233bc36eafdSMike Gerdts
234bc36eafdSMike Gerdts
235bc36eafdSMike Gerdts File = fopen (Filename, "rb");
236bc36eafdSMike Gerdts if (!File)
237bc36eafdSMike Gerdts {
238*35786f68SRobert Mustacchi fprintf (stderr, "Could not open input file: %s\n", Filename);
239bc36eafdSMike Gerdts if (errno == ENOENT)
240bc36eafdSMike Gerdts {
241bc36eafdSMike Gerdts return (AE_NOT_EXIST);
242bc36eafdSMike Gerdts }
243bc36eafdSMike Gerdts
244bc36eafdSMike Gerdts return (AE_ERROR);
245bc36eafdSMike Gerdts }
246bc36eafdSMike Gerdts
247bc36eafdSMike Gerdts /* Get the file size */
248bc36eafdSMike Gerdts
249bc36eafdSMike Gerdts FileSize = CmGetFileSize (File);
250bc36eafdSMike Gerdts if (FileSize == ACPI_UINT32_MAX)
251bc36eafdSMike Gerdts {
252bc36eafdSMike Gerdts Status = AE_ERROR;
253*35786f68SRobert Mustacchi goto Exit;
254bc36eafdSMike Gerdts }
255bc36eafdSMike Gerdts
256bc36eafdSMike Gerdts fprintf (stderr,
257bc36eafdSMike Gerdts "Input file %s, Length 0x%X (%u) bytes\n",
258bc36eafdSMike Gerdts Filename, FileSize, FileSize);
259bc36eafdSMike Gerdts
260bc36eafdSMike Gerdts /* We must have at least one ACPI table header */
261bc36eafdSMike Gerdts
262bc36eafdSMike Gerdts if (FileSize < sizeof (ACPI_TABLE_HEADER))
263bc36eafdSMike Gerdts {
264bc36eafdSMike Gerdts Status = AE_BAD_HEADER;
265*35786f68SRobert Mustacchi goto Exit;
266bc36eafdSMike Gerdts }
267bc36eafdSMike Gerdts
268bc36eafdSMike Gerdts /* Check for an non-binary file */
269bc36eafdSMike Gerdts
270bc36eafdSMike Gerdts if (!AcIsFileBinary (File))
271bc36eafdSMike Gerdts {
272bc36eafdSMike Gerdts fprintf (stderr,
273bc36eafdSMike Gerdts " %s: File does not appear to contain a valid AML table\n",
274bc36eafdSMike Gerdts Filename);
275*35786f68SRobert Mustacchi Status = AE_TYPE;
276*35786f68SRobert Mustacchi goto Exit;
277bc36eafdSMike Gerdts }
278bc36eafdSMike Gerdts
279bc36eafdSMike Gerdts /* Read all tables within the file */
280bc36eafdSMike Gerdts
281bc36eafdSMike Gerdts while (ACPI_SUCCESS (Status))
282bc36eafdSMike Gerdts {
283bc36eafdSMike Gerdts /* Get one entire ACPI table */
284bc36eafdSMike Gerdts
285bc36eafdSMike Gerdts Status = AcGetOneTableFromFile (
286bc36eafdSMike Gerdts Filename, File, GetOnlyAmlTables, &Table);
287bc36eafdSMike Gerdts
288bc36eafdSMike Gerdts if (Status == AE_CTRL_TERMINATE)
289bc36eafdSMike Gerdts {
290bc36eafdSMike Gerdts Status = AE_OK;
291bc36eafdSMike Gerdts break;
292bc36eafdSMike Gerdts }
293bc36eafdSMike Gerdts else if (Status == AE_TYPE)
294bc36eafdSMike Gerdts {
295*35786f68SRobert Mustacchi Status = AE_OK;
296*35786f68SRobert Mustacchi goto Exit;
297bc36eafdSMike Gerdts }
298bc36eafdSMike Gerdts else if (ACPI_FAILURE (Status))
299bc36eafdSMike Gerdts {
300*35786f68SRobert Mustacchi goto Exit;
301bc36eafdSMike Gerdts }
302bc36eafdSMike Gerdts
303bc36eafdSMike Gerdts /* Print table header for iASL/disassembler only */
304bc36eafdSMike Gerdts
305bc36eafdSMike Gerdts #ifdef ACPI_ASL_COMPILER
306bc36eafdSMike Gerdts
307*35786f68SRobert Mustacchi AcpiTbPrintTableHeader (0, Table);
308bc36eafdSMike Gerdts #endif
309bc36eafdSMike Gerdts
310bc36eafdSMike Gerdts /* Allocate and link a table descriptor */
311bc36eafdSMike Gerdts
312bc36eafdSMike Gerdts TableDesc = AcpiOsAllocate (sizeof (ACPI_NEW_TABLE_DESC));
313*35786f68SRobert Mustacchi if (!TableDesc)
314*35786f68SRobert Mustacchi {
315*35786f68SRobert Mustacchi AcpiOsFree (Table);
316*35786f68SRobert Mustacchi Status = AE_NO_MEMORY;
317*35786f68SRobert Mustacchi goto Exit;
318*35786f68SRobert Mustacchi }
319*35786f68SRobert Mustacchi
320bc36eafdSMike Gerdts TableDesc->Table = Table;
321bc36eafdSMike Gerdts TableDesc->Next = NULL;
322bc36eafdSMike Gerdts
323bc36eafdSMike Gerdts /* Link at the end of the local table list */
324bc36eafdSMike Gerdts
325bc36eafdSMike Gerdts if (!ListHead)
326bc36eafdSMike Gerdts {
327bc36eafdSMike Gerdts ListHead = TableDesc;
328bc36eafdSMike Gerdts ListTail = TableDesc;
329bc36eafdSMike Gerdts }
330bc36eafdSMike Gerdts else
331bc36eafdSMike Gerdts {
332bc36eafdSMike Gerdts ListTail->Next = TableDesc;
333bc36eafdSMike Gerdts ListTail = TableDesc;
334bc36eafdSMike Gerdts }
335bc36eafdSMike Gerdts }
336bc36eafdSMike Gerdts
337bc36eafdSMike Gerdts /* Add the local table list to the end of the global list */
338bc36eafdSMike Gerdts
339bc36eafdSMike Gerdts if (*ReturnListHead)
340bc36eafdSMike Gerdts {
341bc36eafdSMike Gerdts ListTail = *ReturnListHead;
342bc36eafdSMike Gerdts while (ListTail->Next)
343bc36eafdSMike Gerdts {
344bc36eafdSMike Gerdts ListTail = ListTail->Next;
345bc36eafdSMike Gerdts }
346bc36eafdSMike Gerdts
347bc36eafdSMike Gerdts ListTail->Next = ListHead;
348bc36eafdSMike Gerdts }
349bc36eafdSMike Gerdts else
350bc36eafdSMike Gerdts {
351bc36eafdSMike Gerdts *ReturnListHead = ListHead;
352bc36eafdSMike Gerdts }
353bc36eafdSMike Gerdts
354*35786f68SRobert Mustacchi Exit:
355bc36eafdSMike Gerdts fclose(File);
356bc36eafdSMike Gerdts return (Status);
357bc36eafdSMike Gerdts }
358bc36eafdSMike Gerdts
359bc36eafdSMike Gerdts
360bc36eafdSMike Gerdts /*******************************************************************************
361bc36eafdSMike Gerdts *
362bc36eafdSMike Gerdts * FUNCTION: AcGetOneTableFromFile
363bc36eafdSMike Gerdts *
364bc36eafdSMike Gerdts * PARAMETERS: Filename - File where table is located
365bc36eafdSMike Gerdts * File - Open FILE pointer to Filename
366bc36eafdSMike Gerdts * GetOnlyAmlTables - TRUE if the tables must be AML tables.
367bc36eafdSMike Gerdts * ReturnTable - Where a pointer to the table is returned
368bc36eafdSMike Gerdts *
369bc36eafdSMike Gerdts * RETURN: Status
370bc36eafdSMike Gerdts *
371bc36eafdSMike Gerdts * DESCRIPTION: Read the next ACPI table from a file. Implements support
372bc36eafdSMike Gerdts * for multiple tables within a single file. File must already
373bc36eafdSMike Gerdts * be open.
374bc36eafdSMike Gerdts *
375bc36eafdSMike Gerdts * Note: Loading an RSDP is not supported.
376bc36eafdSMike Gerdts *
377bc36eafdSMike Gerdts ******************************************************************************/
378bc36eafdSMike Gerdts
379bc36eafdSMike Gerdts static ACPI_STATUS
AcGetOneTableFromFile(char * Filename,FILE * File,UINT8 GetOnlyAmlTables,ACPI_TABLE_HEADER ** ReturnTable)380bc36eafdSMike Gerdts AcGetOneTableFromFile (
381bc36eafdSMike Gerdts char *Filename,
382bc36eafdSMike Gerdts FILE *File,
383bc36eafdSMike Gerdts UINT8 GetOnlyAmlTables,
384bc36eafdSMike Gerdts ACPI_TABLE_HEADER **ReturnTable)
385bc36eafdSMike Gerdts {
386bc36eafdSMike Gerdts ACPI_STATUS Status = AE_OK;
387bc36eafdSMike Gerdts ACPI_TABLE_HEADER TableHeader;
388bc36eafdSMike Gerdts ACPI_TABLE_HEADER *Table;
389bc36eafdSMike Gerdts INT32 Count;
390bc36eafdSMike Gerdts long TableOffset;
391bc36eafdSMike Gerdts
392bc36eafdSMike Gerdts
393bc36eafdSMike Gerdts *ReturnTable = NULL;
394bc36eafdSMike Gerdts
395bc36eafdSMike Gerdts /* Get the table header to examine signature and length */
396bc36eafdSMike Gerdts
397bc36eafdSMike Gerdts TableOffset = ftell (File);
398bc36eafdSMike Gerdts Count = fread (&TableHeader, 1, sizeof (ACPI_TABLE_HEADER), File);
399bc36eafdSMike Gerdts if (Count != sizeof (ACPI_TABLE_HEADER))
400bc36eafdSMike Gerdts {
401bc36eafdSMike Gerdts return (AE_CTRL_TERMINATE);
402bc36eafdSMike Gerdts }
403bc36eafdSMike Gerdts
404bc36eafdSMike Gerdts if (GetOnlyAmlTables)
405bc36eafdSMike Gerdts {
406*35786f68SRobert Mustacchi /* Validate the table signature/header (limited ASCII chars) */
407*35786f68SRobert Mustacchi
408*35786f68SRobert Mustacchi Status = AcValidateTableHeader (File, TableOffset);
409*35786f68SRobert Mustacchi if (ACPI_FAILURE (Status))
410*35786f68SRobert Mustacchi {
411*35786f68SRobert Mustacchi return (Status);
412*35786f68SRobert Mustacchi }
413bc36eafdSMike Gerdts
414*35786f68SRobert Mustacchi /*
415*35786f68SRobert Mustacchi * Table must be an AML table (DSDT/SSDT).
416*35786f68SRobert Mustacchi * Used for iASL -e option only.
417*35786f68SRobert Mustacchi */
418*35786f68SRobert Mustacchi if (!AcpiUtIsAmlTable (&TableHeader))
419bc36eafdSMike Gerdts {
420bc36eafdSMike Gerdts fprintf (stderr,
421bc36eafdSMike Gerdts " %s: Table [%4.4s] is not an AML table - ignoring\n",
422bc36eafdSMike Gerdts Filename, TableHeader.Signature);
423bc36eafdSMike Gerdts
424bc36eafdSMike Gerdts return (AE_TYPE);
425bc36eafdSMike Gerdts }
426bc36eafdSMike Gerdts }
427bc36eafdSMike Gerdts
428bc36eafdSMike Gerdts /* Allocate a buffer for the entire table */
429bc36eafdSMike Gerdts
430*35786f68SRobert Mustacchi Table = AcpiOsAllocate ((ACPI_SIZE) TableHeader.Length);
431bc36eafdSMike Gerdts if (!Table)
432bc36eafdSMike Gerdts {
433bc36eafdSMike Gerdts return (AE_NO_MEMORY);
434bc36eafdSMike Gerdts }
435bc36eafdSMike Gerdts
436bc36eafdSMike Gerdts /* Read the entire ACPI table, including header */
437bc36eafdSMike Gerdts
438bc36eafdSMike Gerdts fseek (File, TableOffset, SEEK_SET);
439bc36eafdSMike Gerdts
440bc36eafdSMike Gerdts Count = fread (Table, 1, TableHeader.Length, File);
441*35786f68SRobert Mustacchi
442*35786f68SRobert Mustacchi /*
443*35786f68SRobert Mustacchi * Checks for data table headers happen later in the execution. Only verify
444*35786f68SRobert Mustacchi * for Aml tables at this point in the code.
445*35786f68SRobert Mustacchi */
446*35786f68SRobert Mustacchi if (GetOnlyAmlTables && Count != (INT32) TableHeader.Length)
447bc36eafdSMike Gerdts {
448bc36eafdSMike Gerdts Status = AE_ERROR;
449bc36eafdSMike Gerdts goto ErrorExit;
450bc36eafdSMike Gerdts }
451bc36eafdSMike Gerdts
452bc36eafdSMike Gerdts /* Validate the checksum (just issue a warning) */
453bc36eafdSMike Gerdts
454bc36eafdSMike Gerdts Status = AcpiTbVerifyChecksum (Table, TableHeader.Length);
455bc36eafdSMike Gerdts if (ACPI_FAILURE (Status))
456bc36eafdSMike Gerdts {
457bc36eafdSMike Gerdts Status = AcCheckTextModeCorruption (Table);
458bc36eafdSMike Gerdts if (ACPI_FAILURE (Status))
459bc36eafdSMike Gerdts {
460bc36eafdSMike Gerdts goto ErrorExit;
461bc36eafdSMike Gerdts }
462bc36eafdSMike Gerdts }
463bc36eafdSMike Gerdts
464bc36eafdSMike Gerdts *ReturnTable = Table;
465bc36eafdSMike Gerdts return (AE_OK);
466bc36eafdSMike Gerdts
467bc36eafdSMike Gerdts
468bc36eafdSMike Gerdts ErrorExit:
469bc36eafdSMike Gerdts AcpiOsFree (Table);
470bc36eafdSMike Gerdts return (Status);
471bc36eafdSMike Gerdts }
472bc36eafdSMike Gerdts
473bc36eafdSMike Gerdts
474bc36eafdSMike Gerdts /*******************************************************************************
475bc36eafdSMike Gerdts *
476bc36eafdSMike Gerdts * FUNCTION: AcIsFileBinary
477bc36eafdSMike Gerdts *
478bc36eafdSMike Gerdts * PARAMETERS: File - Open input file
479bc36eafdSMike Gerdts *
480bc36eafdSMike Gerdts * RETURN: TRUE if file appears to be binary
481bc36eafdSMike Gerdts *
482bc36eafdSMike Gerdts * DESCRIPTION: Scan a file for any non-ASCII bytes.
483bc36eafdSMike Gerdts *
484bc36eafdSMike Gerdts * Note: Maintains current file position.
485bc36eafdSMike Gerdts *
486bc36eafdSMike Gerdts ******************************************************************************/
487bc36eafdSMike Gerdts
488bc36eafdSMike Gerdts BOOLEAN
AcIsFileBinary(FILE * File)489bc36eafdSMike Gerdts AcIsFileBinary (
490bc36eafdSMike Gerdts FILE *File)
491bc36eafdSMike Gerdts {
492bc36eafdSMike Gerdts UINT8 Byte;
493bc36eafdSMike Gerdts BOOLEAN IsBinary = FALSE;
494bc36eafdSMike Gerdts long FileOffset;
495bc36eafdSMike Gerdts
496bc36eafdSMike Gerdts
497bc36eafdSMike Gerdts /* Scan entire file for any non-ASCII bytes */
498bc36eafdSMike Gerdts
499bc36eafdSMike Gerdts FileOffset = ftell (File);
500bc36eafdSMike Gerdts while (fread (&Byte, 1, 1, File) == 1)
501bc36eafdSMike Gerdts {
502bc36eafdSMike Gerdts if (!isprint (Byte) && !isspace (Byte))
503bc36eafdSMike Gerdts {
504bc36eafdSMike Gerdts IsBinary = TRUE;
505bc36eafdSMike Gerdts goto Exit;
506bc36eafdSMike Gerdts }
507bc36eafdSMike Gerdts }
508bc36eafdSMike Gerdts
509bc36eafdSMike Gerdts Exit:
510bc36eafdSMike Gerdts fseek (File, FileOffset, SEEK_SET);
511bc36eafdSMike Gerdts return (IsBinary);
512bc36eafdSMike Gerdts }
513bc36eafdSMike Gerdts
514bc36eafdSMike Gerdts
515bc36eafdSMike Gerdts /*******************************************************************************
516bc36eafdSMike Gerdts *
517bc36eafdSMike Gerdts * FUNCTION: AcValidateTableHeader
518bc36eafdSMike Gerdts *
519bc36eafdSMike Gerdts * PARAMETERS: File - Open input file
520bc36eafdSMike Gerdts *
521bc36eafdSMike Gerdts * RETURN: Status
522bc36eafdSMike Gerdts *
523bc36eafdSMike Gerdts * DESCRIPTION: Determine if a file seems to contain one or more binary ACPI
524bc36eafdSMike Gerdts * tables, via the
525bc36eafdSMike Gerdts * following checks on what would be the table header:
526bc36eafdSMike Gerdts * 1) File must be at least as long as an ACPI_TABLE_HEADER
527bc36eafdSMike Gerdts * 2) There must be enough room in the file to hold entire table
528bc36eafdSMike Gerdts * 3) Signature, OemId, OemTableId, AslCompilerId must be ASCII
529bc36eafdSMike Gerdts *
530bc36eafdSMike Gerdts * Note: There can be multiple definition blocks per file, so we cannot
531bc36eafdSMike Gerdts * expect/compare the file size to be equal to the table length. 12/2015.
532bc36eafdSMike Gerdts *
533bc36eafdSMike Gerdts * Note: Maintains current file position.
534bc36eafdSMike Gerdts *
535bc36eafdSMike Gerdts ******************************************************************************/
536bc36eafdSMike Gerdts
537bc36eafdSMike Gerdts ACPI_STATUS
AcValidateTableHeader(FILE * File,long TableOffset)538bc36eafdSMike Gerdts AcValidateTableHeader (
539bc36eafdSMike Gerdts FILE *File,
540bc36eafdSMike Gerdts long TableOffset)
541bc36eafdSMike Gerdts {
542bc36eafdSMike Gerdts ACPI_TABLE_HEADER TableHeader;
543*35786f68SRobert Mustacchi ACPI_SIZE Actual;
544bc36eafdSMike Gerdts long OriginalOffset;
545bc36eafdSMike Gerdts UINT32 FileSize;
546bc36eafdSMike Gerdts UINT32 i;
547bc36eafdSMike Gerdts
548bc36eafdSMike Gerdts
549*35786f68SRobert Mustacchi ACPI_FUNCTION_TRACE (AcValidateTableHeader);
550bc36eafdSMike Gerdts
551bc36eafdSMike Gerdts
552bc36eafdSMike Gerdts /* Read a potential table header */
553bc36eafdSMike Gerdts
554bc36eafdSMike Gerdts OriginalOffset = ftell (File);
555bc36eafdSMike Gerdts fseek (File, TableOffset, SEEK_SET);
556bc36eafdSMike Gerdts
557bc36eafdSMike Gerdts Actual = fread (&TableHeader, 1, sizeof (ACPI_TABLE_HEADER), File);
558bc36eafdSMike Gerdts fseek (File, OriginalOffset, SEEK_SET);
559bc36eafdSMike Gerdts
560bc36eafdSMike Gerdts if (Actual < sizeof (ACPI_TABLE_HEADER))
561bc36eafdSMike Gerdts {
562bc36eafdSMike Gerdts return (AE_ERROR);
563bc36eafdSMike Gerdts }
564bc36eafdSMike Gerdts
565bc36eafdSMike Gerdts /* Validate the signature (limited ASCII chars) */
566bc36eafdSMike Gerdts
567bc36eafdSMike Gerdts if (!AcpiUtValidNameseg (TableHeader.Signature))
568bc36eafdSMike Gerdts {
569bc36eafdSMike Gerdts return (AE_BAD_SIGNATURE);
570bc36eafdSMike Gerdts }
571bc36eafdSMike Gerdts
572bc36eafdSMike Gerdts /* Validate table length against bytes remaining in the file */
573bc36eafdSMike Gerdts
574bc36eafdSMike Gerdts FileSize = CmGetFileSize (File);
575bc36eafdSMike Gerdts if (TableHeader.Length > (UINT32) (FileSize - TableOffset))
576bc36eafdSMike Gerdts {
577bc36eafdSMike Gerdts fprintf (stderr, "Table [%4.4s] is too long for file - "
578bc36eafdSMike Gerdts "needs: 0x%.2X, remaining in file: 0x%.2X\n",
579bc36eafdSMike Gerdts TableHeader.Signature, TableHeader.Length,
580bc36eafdSMike Gerdts (UINT32) (FileSize - TableOffset));
581bc36eafdSMike Gerdts return (AE_BAD_HEADER);
582bc36eafdSMike Gerdts }
583bc36eafdSMike Gerdts
584bc36eafdSMike Gerdts /*
585bc36eafdSMike Gerdts * These fields must be ASCII: OemId, OemTableId, AslCompilerId.
586bc36eafdSMike Gerdts * We allow a NULL terminator in OemId and OemTableId.
587bc36eafdSMike Gerdts */
588bc36eafdSMike Gerdts for (i = 0; i < ACPI_NAME_SIZE; i++)
589bc36eafdSMike Gerdts {
590bc36eafdSMike Gerdts if (!ACPI_IS_ASCII ((UINT8) TableHeader.AslCompilerId[i]))
591bc36eafdSMike Gerdts {
592bc36eafdSMike Gerdts goto BadCharacters;
593bc36eafdSMike Gerdts }
594bc36eafdSMike Gerdts }
595bc36eafdSMike Gerdts
596bc36eafdSMike Gerdts for (i = 0; (i < ACPI_OEM_ID_SIZE) && (TableHeader.OemId[i]); i++)
597bc36eafdSMike Gerdts {
598bc36eafdSMike Gerdts if (!ACPI_IS_ASCII ((UINT8) TableHeader.OemId[i]))
599bc36eafdSMike Gerdts {
600bc36eafdSMike Gerdts goto BadCharacters;
601bc36eafdSMike Gerdts }
602bc36eafdSMike Gerdts }
603bc36eafdSMike Gerdts
604bc36eafdSMike Gerdts for (i = 0; (i < ACPI_OEM_TABLE_ID_SIZE) && (TableHeader.OemTableId[i]); i++)
605bc36eafdSMike Gerdts {
606bc36eafdSMike Gerdts if (!ACPI_IS_ASCII ((UINT8) TableHeader.OemTableId[i]))
607bc36eafdSMike Gerdts {
608bc36eafdSMike Gerdts goto BadCharacters;
609bc36eafdSMike Gerdts }
610bc36eafdSMike Gerdts }
611bc36eafdSMike Gerdts
612bc36eafdSMike Gerdts return (AE_OK);
613bc36eafdSMike Gerdts
614bc36eafdSMike Gerdts
615bc36eafdSMike Gerdts BadCharacters:
616bc36eafdSMike Gerdts
617bc36eafdSMike Gerdts ACPI_WARNING ((AE_INFO,
618bc36eafdSMike Gerdts "Table header for [%4.4s] has invalid ASCII character(s)",
619bc36eafdSMike Gerdts TableHeader.Signature));
620bc36eafdSMike Gerdts return (AE_OK);
621bc36eafdSMike Gerdts }
622bc36eafdSMike Gerdts
623bc36eafdSMike Gerdts
624bc36eafdSMike Gerdts /*******************************************************************************
625bc36eafdSMike Gerdts *
626bc36eafdSMike Gerdts * FUNCTION: AcCheckTextModeCorruption
627bc36eafdSMike Gerdts *
628bc36eafdSMike Gerdts * PARAMETERS: Table - Table buffer starting with table header
629bc36eafdSMike Gerdts *
630bc36eafdSMike Gerdts * RETURN: Status
631bc36eafdSMike Gerdts *
632bc36eafdSMike Gerdts * DESCRIPTION: Check table for text mode file corruption where all linefeed
633bc36eafdSMike Gerdts * characters (LF) have been replaced by carriage return linefeed
634bc36eafdSMike Gerdts * pairs (CR/LF).
635bc36eafdSMike Gerdts *
636bc36eafdSMike Gerdts ******************************************************************************/
637bc36eafdSMike Gerdts
638bc36eafdSMike Gerdts static ACPI_STATUS
AcCheckTextModeCorruption(ACPI_TABLE_HEADER * Table)639bc36eafdSMike Gerdts AcCheckTextModeCorruption (
640bc36eafdSMike Gerdts ACPI_TABLE_HEADER *Table)
641bc36eafdSMike Gerdts {
642bc36eafdSMike Gerdts UINT32 i;
643bc36eafdSMike Gerdts UINT32 Pairs = 0;
644bc36eafdSMike Gerdts UINT8 *Buffer = ACPI_CAST_PTR (UINT8, Table);
645bc36eafdSMike Gerdts
646bc36eafdSMike Gerdts
647bc36eafdSMike Gerdts /* Scan entire table to determine if each LF has been prefixed with a CR */
648bc36eafdSMike Gerdts
649bc36eafdSMike Gerdts for (i = 1; i < Table->Length; i++)
650bc36eafdSMike Gerdts {
651bc36eafdSMike Gerdts if (Buffer[i] == 0x0A)
652bc36eafdSMike Gerdts {
653bc36eafdSMike Gerdts if (Buffer[i - 1] != 0x0D)
654bc36eafdSMike Gerdts {
655bc36eafdSMike Gerdts /* The LF does not have a preceding CR, table not corrupted */
656bc36eafdSMike Gerdts
657bc36eafdSMike Gerdts return (AE_OK);
658bc36eafdSMike Gerdts }
659bc36eafdSMike Gerdts else
660bc36eafdSMike Gerdts {
661bc36eafdSMike Gerdts /* Found a CR/LF pair */
662bc36eafdSMike Gerdts
663bc36eafdSMike Gerdts Pairs++;
664bc36eafdSMike Gerdts }
665bc36eafdSMike Gerdts
666bc36eafdSMike Gerdts i++;
667bc36eafdSMike Gerdts }
668bc36eafdSMike Gerdts }
669bc36eafdSMike Gerdts
670bc36eafdSMike Gerdts if (!Pairs)
671bc36eafdSMike Gerdts {
672bc36eafdSMike Gerdts return (AE_OK);
673bc36eafdSMike Gerdts }
674bc36eafdSMike Gerdts
675bc36eafdSMike Gerdts /*
676bc36eafdSMike Gerdts * Entire table scanned, each CR is part of a CR/LF pair --
677bc36eafdSMike Gerdts * meaning that the table was treated as a text file somewhere.
678bc36eafdSMike Gerdts *
679bc36eafdSMike Gerdts * NOTE: We can't "fix" the table, because any existing CR/LF pairs in the
680bc36eafdSMike Gerdts * original table are left untouched by the text conversion process --
681bc36eafdSMike Gerdts * meaning that we cannot simply replace CR/LF pairs with LFs.
682bc36eafdSMike Gerdts */
683bc36eafdSMike Gerdts AcpiOsPrintf ("Table has been corrupted by text mode conversion\n");
684bc36eafdSMike Gerdts AcpiOsPrintf ("All LFs (%u) were changed to CR/LF pairs\n", Pairs);
685bc36eafdSMike Gerdts AcpiOsPrintf ("Table cannot be repaired!\n");
686bc36eafdSMike Gerdts
687bc36eafdSMike Gerdts return (AE_BAD_VALUE);
688bc36eafdSMike Gerdts }
689