1 /******************************************************************************
2  *
3  * Module Name: dttable.c - handling for specific ACPI tables
4  *
5  *****************************************************************************/
6 
7 /******************************************************************************
8  *
9  * 1. Copyright Notice
10  *
11  * Some or all of this work - Copyright (c) 1999 - 2023, Intel Corp.
12  * All rights reserved.
13  *
14  * 2. License
15  *
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
19  * property rights.
20  *
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
27  *
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;
36  *
37  * The above copyright and patent license is granted only if the following
38  * conditions are met:
39  *
40  * 3. Conditions
41  *
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.
53  *
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
64  * make.
65  *
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
70  * distribution.
71  *
72  * 3.4. Intel retains all right, title, and interest in and to the Original
73  * Intel Code.
74  *
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.
79  *
80  * 4. Disclaimer and Export Compliance
81  *
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
88  * PARTICULAR PURPOSE.
89  *
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
97  * LIMITED REMEDY.
98  *
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.
113  *
114  *****************************************************************************
115  *
116  * Alternatively, you may choose to be licensed under the terms of the
117  * following license:
118  *
119  * Redistribution and use in source and binary forms, with or without
120  * modification, are permitted provided that the following conditions
121  * are met:
122  * 1. Redistributions of source code must retain the above copyright
123  *    notice, this list of conditions, and the following disclaimer,
124  *    without modification.
125  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
126  *    substantially similar to the "NO WARRANTY" disclaimer below
127  *    ("Disclaimer") and any redistribution must be conditioned upon
128  *    including a substantially similar Disclaimer requirement for further
129  *    binary redistribution.
130  * 3. Neither the names of the above-listed copyright holders nor the names
131  *    of any contributors may be used to endorse or promote products derived
132  *    from this software without specific prior written permission.
133  *
134  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
135  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
136  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
137  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
138  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
139  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
140  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
141  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
142  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
143  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
144  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
145  *
146  * Alternatively, you may choose to be licensed under the terms of the
147  * GNU General Public License ("GPL") version 2 as published by the Free
148  * Software Foundation.
149  *
150  *****************************************************************************/
151 
152 /* Compile routines for the basic ACPI tables */
153 
154 #include "aslcompiler.h"
155 
156 #define _COMPONENT          DT_COMPILER
157         ACPI_MODULE_NAME    ("dttable")
158 
159 
160 /******************************************************************************
161  *
162  * FUNCTION:    DtCompileRsdp
163  *
164  * PARAMETERS:  PFieldList          - Current field list pointer
165  *
166  * RETURN:      Status
167  *
168  * DESCRIPTION: Compile RSDP.
169  *
170  *****************************************************************************/
171 
172 ACPI_STATUS
DtCompileRsdp(DT_FIELD ** PFieldList)173 DtCompileRsdp (
174     DT_FIELD                **PFieldList)
175 {
176     DT_SUBTABLE             *Subtable;
177     ACPI_TABLE_RSDP         *Rsdp;
178     ACPI_RSDP_EXTENSION     *RsdpExtension;
179     ACPI_STATUS             Status;
180 
181 
182     /* Compile the "common" RSDP (ACPI 1.0) */
183 
184     Status = DtCompileTable (PFieldList, AcpiDmTableInfoRsdp1,
185         &AslGbl_RootTable);
186     if (ACPI_FAILURE (Status))
187     {
188         return (Status);
189     }
190 
191     Rsdp = ACPI_CAST_PTR (ACPI_TABLE_RSDP, AslGbl_RootTable->Buffer);
192     DtSetTableChecksum (&Rsdp->Checksum);
193 
194     if (Rsdp->Revision > 0)
195     {
196         /* Compile the "extended" part of the RSDP as a subtable */
197 
198         Status = DtCompileTable (PFieldList, AcpiDmTableInfoRsdp2,
199             &Subtable);
200         if (ACPI_FAILURE (Status))
201         {
202             return (Status);
203         }
204 
205         DtInsertSubtable (AslGbl_RootTable, Subtable);
206 
207         /* Set length and extended checksum for entire RSDP */
208 
209         RsdpExtension = ACPI_CAST_PTR (ACPI_RSDP_EXTENSION, Subtable->Buffer);
210         RsdpExtension->Length = AslGbl_RootTable->Length + Subtable->Length;
211         DtSetTableChecksum (&RsdpExtension->ExtendedChecksum);
212     }
213 
214     return (AE_OK);
215 }
216 
217 
218 /******************************************************************************
219  *
220  * FUNCTION:    DtCompileFadt
221  *
222  * PARAMETERS:  List                - Current field list pointer
223  *
224  * RETURN:      Status
225  *
226  * DESCRIPTION: Compile FADT (signature FACP).
227  *
228  *****************************************************************************/
229 
230 #define ACPI_XDSDT_LOCATION_IN_LIST         11
231 
232 ACPI_STATUS
DtCompileFadt(void ** List)233 DtCompileFadt (
234     void                    **List)
235 {
236     ACPI_STATUS             Status;
237     DT_SUBTABLE             *Subtable;
238     DT_SUBTABLE             *ParentTable;
239     DT_FIELD                **PFieldList = (DT_FIELD **) List;
240     DT_FIELD                *DsdtFieldList;
241     ACPI_TABLE_FADT         *Table;
242     UINT8                   Revision;
243     UINT32                  DsdtAddress;
244     UINT64                  X_DsdtAddress;
245     UINT32                  i;
246 
247 
248     /* Get the table revision and 32-bit DSDT Address definition */
249 
250     DsdtFieldList = (*PFieldList)->Next;
251     Status = DtCompileTable (PFieldList, AcpiDmTableInfoFadt1,
252         &Subtable);
253     if (ACPI_FAILURE (Status))
254     {
255         return (Status);
256     }
257 
258     ParentTable = DtPeekSubtable ();
259     DtInsertSubtable (ParentTable, Subtable);
260 
261     Table = ACPI_CAST_PTR (ACPI_TABLE_FADT, ParentTable->Buffer);
262     Revision = Table->Header.Revision;
263     DsdtAddress = Table->Dsdt;
264 
265     /* FADT version 1 has only 32-bit addresses - error if DSDT address is NULL */
266 
267     if ((Revision == 1) && (!DsdtAddress))
268     {
269         DtError (ASL_ERROR, ASL_MSG_ZERO_VALUE, DsdtFieldList, NULL);
270     }
271 
272     if (Revision == 2)
273     {
274         Status = DtCompileTable (PFieldList, AcpiDmTableInfoFadt2,
275             &Subtable);
276         if (ACPI_FAILURE (Status))
277         {
278             return (Status);
279         }
280 
281         DtInsertSubtable (ParentTable, Subtable);
282     }
283 
284     else if (Revision > 2)
285     {
286         /*
287          * Rev 3 and greater have 64-bit addresses (as well as 32-bit).
288          * Get the 64-bit DSDT (X_DSDT) Address definition. Note: This
289          * appears at field list offset 11 within AcpiDmTableInfoFadt3.
290          */
291         DsdtFieldList = *PFieldList;
292         for (i = 0; i < ACPI_XDSDT_LOCATION_IN_LIST; i++)
293         {
294             DsdtFieldList = DsdtFieldList->Next;
295             if (!DsdtFieldList)
296             {
297                 return (ASL_MSG_BAD_PARSE_TREE);
298             }
299         }
300 
301         Status = DtCompileTable (PFieldList, AcpiDmTableInfoFadt3,
302             &Subtable);
303         if (ACPI_FAILURE (Status))
304         {
305             return (Status);
306         }
307 
308         DtInsertSubtable (ParentTable, Subtable);
309 
310         Table = ACPI_CAST_PTR (ACPI_TABLE_FADT, ParentTable->Buffer);
311         X_DsdtAddress = Table->XDsdt;
312 
313         /*
314          * Error if both the 32-bit DSDT address and the
315          * 64-bit X_DSDT address are zero.
316          */
317         if ((!X_DsdtAddress) && (!DsdtAddress))
318         {
319             DtError (ASL_ERROR, ASL_MSG_TWO_ZERO_VALUES, DsdtFieldList, NULL);
320         }
321 
322         /* Fields specific to FADT Revision 5 (appended to previous) */
323 
324         if (Revision >= 5)
325         {
326             Status = DtCompileTable (PFieldList, AcpiDmTableInfoFadt5,
327                 &Subtable);
328             if (ACPI_FAILURE (Status))
329             {
330                 return (Status);
331             }
332 
333             DtInsertSubtable (ParentTable, Subtable);
334         }
335 
336         /* Fields specific to FADT Revision 6 (appended to previous) */
337 
338         if (Revision >= 6)
339         {
340             Status = DtCompileTable (PFieldList, AcpiDmTableInfoFadt6,
341                 &Subtable);
342             if (ACPI_FAILURE (Status))
343             {
344                 return (Status);
345             }
346 
347             DtInsertSubtable (ParentTable, Subtable);
348         }
349     }
350 
351     return (AE_OK);
352 }
353 
354 
355 /******************************************************************************
356  *
357  * FUNCTION:    DtCompileFacs
358  *
359  * PARAMETERS:  PFieldList          - Current field list pointer
360  *
361  * RETURN:      Status
362  *
363  * DESCRIPTION: Compile FACS.
364  *
365  *****************************************************************************/
366 
367 ACPI_STATUS
DtCompileFacs(DT_FIELD ** PFieldList)368 DtCompileFacs (
369     DT_FIELD                **PFieldList)
370 {
371     DT_SUBTABLE             *Subtable;
372     UINT8                   *ReservedBuffer;
373     ACPI_STATUS             Status;
374     UINT32                  ReservedSize;
375 
376 
377     Status = DtCompileTable (PFieldList, AcpiDmTableInfoFacs,
378         &AslGbl_RootTable);
379     if (ACPI_FAILURE (Status))
380     {
381         return (Status);
382     }
383 
384     /* Large FACS reserved area at the end of the table */
385 
386     ReservedSize = (UINT32) sizeof (((ACPI_TABLE_FACS *) NULL)->Reserved1);
387     ReservedBuffer = UtLocalCalloc (ReservedSize);
388 
389     DtCreateSubtable (ReservedBuffer, ReservedSize, &Subtable);
390 
391     ACPI_FREE (ReservedBuffer);
392     DtInsertSubtable (AslGbl_RootTable, Subtable);
393     return (AE_OK);
394 }
395