1 /******************************************************************************
2 *
3 * Module Name: dttable.c - handling for specific ACPI tables
4 *
5 *****************************************************************************/
6
7 /*
8 * Copyright (C) 2000 - 2023, Intel Corp.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions, and the following disclaimer,
16 * without modification.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 * substantially similar to the "NO WARRANTY" disclaimer below
19 * ("Disclaimer") and any redistribution must be conditioned upon
20 * including a substantially similar Disclaimer requirement for further
21 * binary redistribution.
22 * 3. Neither the names of the above-listed copyright holders nor the names
23 * of any contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
28 * Software Foundation.
29 *
30 * NO WARRANTY
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGES.
42 */
43
44 /* Compile routines for the basic ACPI tables */
45
46 #include "aslcompiler.h"
47
48 #define _COMPONENT DT_COMPILER
49 ACPI_MODULE_NAME ("dttable")
50
51
52 /******************************************************************************
53 *
54 * FUNCTION: DtCompileRsdp
55 *
56 * PARAMETERS: PFieldList - Current field list pointer
57 *
58 * RETURN: Status
59 *
60 * DESCRIPTION: Compile RSDP.
61 *
62 *****************************************************************************/
63
64 ACPI_STATUS
DtCompileRsdp(DT_FIELD ** PFieldList)65 DtCompileRsdp (
66 DT_FIELD **PFieldList)
67 {
68 DT_SUBTABLE *Subtable;
69 ACPI_TABLE_RSDP *Rsdp;
70 ACPI_RSDP_EXTENSION *RsdpExtension;
71 ACPI_STATUS Status;
72
73
74 /* Compile the "common" RSDP (ACPI 1.0) */
75
76 Status = DtCompileTable (PFieldList, AcpiDmTableInfoRsdp1,
77 &AslGbl_RootTable);
78 if (ACPI_FAILURE (Status))
79 {
80 return (Status);
81 }
82
83 Rsdp = ACPI_CAST_PTR (ACPI_TABLE_RSDP, AslGbl_RootTable->Buffer);
84 DtSetTableChecksum (&Rsdp->Checksum);
85
86 if (Rsdp->Revision > 0)
87 {
88 /* Compile the "extended" part of the RSDP as a subtable */
89
90 Status = DtCompileTable (PFieldList, AcpiDmTableInfoRsdp2,
91 &Subtable);
92 if (ACPI_FAILURE (Status))
93 {
94 return (Status);
95 }
96
97 DtInsertSubtable (AslGbl_RootTable, Subtable);
98
99 /* Set length and extended checksum for entire RSDP */
100
101 RsdpExtension = ACPI_CAST_PTR (ACPI_RSDP_EXTENSION, Subtable->Buffer);
102 RsdpExtension->Length = AslGbl_RootTable->Length + Subtable->Length;
103 DtSetTableChecksum (&RsdpExtension->ExtendedChecksum);
104 }
105
106 return (AE_OK);
107 }
108
109
110 /******************************************************************************
111 *
112 * FUNCTION: DtCompileFadt
113 *
114 * PARAMETERS: List - Current field list pointer
115 *
116 * RETURN: Status
117 *
118 * DESCRIPTION: Compile FADT (signature FACP).
119 *
120 *****************************************************************************/
121
122 #define ACPI_XDSDT_LOCATION_IN_LIST 11
123
124 ACPI_STATUS
DtCompileFadt(void ** List)125 DtCompileFadt (
126 void **List)
127 {
128 ACPI_STATUS Status;
129 DT_SUBTABLE *Subtable;
130 DT_SUBTABLE *ParentTable;
131 DT_FIELD **PFieldList = (DT_FIELD **) List;
132 DT_FIELD *DsdtFieldList;
133 ACPI_TABLE_FADT *Table;
134 UINT8 Revision;
135 UINT32 DsdtAddress;
136 UINT64 X_DsdtAddress;
137 UINT32 i;
138
139
140 /* Get the table revision and 32-bit DSDT Address definition */
141
142 DsdtFieldList = (*PFieldList)->Next;
143 Status = DtCompileTable (PFieldList, AcpiDmTableInfoFadt1,
144 &Subtable);
145 if (ACPI_FAILURE (Status))
146 {
147 return (Status);
148 }
149
150 ParentTable = DtPeekSubtable ();
151 DtInsertSubtable (ParentTable, Subtable);
152
153 Table = ACPI_CAST_PTR (ACPI_TABLE_FADT, ParentTable->Buffer);
154 Revision = Table->Header.Revision;
155 DsdtAddress = Table->Dsdt;
156
157 /* FADT version 1 has only 32-bit addresses - error if DSDT address is NULL */
158
159 if ((Revision == 1) && (!DsdtAddress))
160 {
161 DtError (ASL_ERROR, ASL_MSG_ZERO_VALUE, DsdtFieldList, NULL);
162 }
163
164 if (Revision == 2)
165 {
166 Status = DtCompileTable (PFieldList, AcpiDmTableInfoFadt2,
167 &Subtable);
168 if (ACPI_FAILURE (Status))
169 {
170 return (Status);
171 }
172
173 DtInsertSubtable (ParentTable, Subtable);
174 }
175
176 else if (Revision > 2)
177 {
178 /*
179 * Rev 3 and greater have 64-bit addresses (as well as 32-bit).
180 * Get the 64-bit DSDT (X_DSDT) Address definition. Note: This
181 * appears at field list offset 11 within AcpiDmTableInfoFadt3.
182 */
183 DsdtFieldList = *PFieldList;
184 for (i = 0; i < ACPI_XDSDT_LOCATION_IN_LIST; i++)
185 {
186 DsdtFieldList = DsdtFieldList->Next;
187 if (!DsdtFieldList)
188 {
189 return (ASL_MSG_BAD_PARSE_TREE);
190 }
191 }
192
193 Status = DtCompileTable (PFieldList, AcpiDmTableInfoFadt3,
194 &Subtable);
195 if (ACPI_FAILURE (Status))
196 {
197 return (Status);
198 }
199
200 DtInsertSubtable (ParentTable, Subtable);
201
202 Table = ACPI_CAST_PTR (ACPI_TABLE_FADT, ParentTable->Buffer);
203 X_DsdtAddress = Table->XDsdt;
204
205 /*
206 * Error if both the 32-bit DSDT address and the
207 * 64-bit X_DSDT address are zero.
208 */
209 if ((!X_DsdtAddress) && (!DsdtAddress))
210 {
211 DtError (ASL_ERROR, ASL_MSG_TWO_ZERO_VALUES, DsdtFieldList, NULL);
212 }
213
214 /* Fields specific to FADT Revision 5 (appended to previous) */
215
216 if (Revision >= 5)
217 {
218 Status = DtCompileTable (PFieldList, AcpiDmTableInfoFadt5,
219 &Subtable);
220 if (ACPI_FAILURE (Status))
221 {
222 return (Status);
223 }
224
225 DtInsertSubtable (ParentTable, Subtable);
226 }
227
228 /* Fields specific to FADT Revision 6 (appended to previous) */
229
230 if (Revision >= 6)
231 {
232 Status = DtCompileTable (PFieldList, AcpiDmTableInfoFadt6,
233 &Subtable);
234 if (ACPI_FAILURE (Status))
235 {
236 return (Status);
237 }
238
239 DtInsertSubtable (ParentTable, Subtable);
240 }
241 }
242
243 return (AE_OK);
244 }
245
246
247 /******************************************************************************
248 *
249 * FUNCTION: DtCompileFacs
250 *
251 * PARAMETERS: PFieldList - Current field list pointer
252 *
253 * RETURN: Status
254 *
255 * DESCRIPTION: Compile FACS.
256 *
257 *****************************************************************************/
258
259 ACPI_STATUS
DtCompileFacs(DT_FIELD ** PFieldList)260 DtCompileFacs (
261 DT_FIELD **PFieldList)
262 {
263 DT_SUBTABLE *Subtable;
264 UINT8 *ReservedBuffer;
265 ACPI_STATUS Status;
266 UINT32 ReservedSize;
267
268
269 Status = DtCompileTable (PFieldList, AcpiDmTableInfoFacs,
270 &AslGbl_RootTable);
271 if (ACPI_FAILURE (Status))
272 {
273 return (Status);
274 }
275
276 /* Large FACS reserved area at the end of the table */
277
278 ReservedSize = (UINT32) sizeof (((ACPI_TABLE_FACS *) NULL)->Reserved1);
279 ReservedBuffer = UtLocalCalloc (ReservedSize);
280
281 DtCreateSubtable (ReservedBuffer, ReservedSize, &Subtable);
282
283 ACPI_FREE (ReservedBuffer);
284 DtInsertSubtable (AslGbl_RootTable, Subtable);
285 return (AE_OK);
286 }
287