dttable.c revision 306536 
1/******************************************************************************
2 *
3 * Module Name: dttable.c - handling for specific ACPI tables
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2016, 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 MERCHANTIBILITY 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 <contrib/dev/acpica/compiler/aslcompiler.h>
47#include <contrib/dev/acpica/compiler/dtcompiler.h>
48
49#define _COMPONENT          DT_COMPILER
50        ACPI_MODULE_NAME    ("dttable")
51
52
53/******************************************************************************
54 *
55 * FUNCTION:    DtCompileRsdp
56 *
57 * PARAMETERS:  PFieldList          - Current field list pointer
58 *
59 * RETURN:      Status
60 *
61 * DESCRIPTION: Compile RSDP.
62 *
63 *****************************************************************************/
64
65ACPI_STATUS
66DtCompileRsdp (
67    DT_FIELD                **PFieldList)
68{
69    DT_SUBTABLE             *Subtable;
70    ACPI_TABLE_RSDP         *Rsdp;
71    ACPI_RSDP_EXTENSION     *RsdpExtension;
72    ACPI_STATUS             Status;
73
74
75    /* Compile the "common" RSDP (ACPI 1.0) */
76
77    Status = DtCompileTable (PFieldList, AcpiDmTableInfoRsdp1,
78        &Gbl_RootTable, TRUE);
79    if (ACPI_FAILURE (Status))
80    {
81        return (Status);
82    }
83
84    Rsdp = ACPI_CAST_PTR (ACPI_TABLE_RSDP, Gbl_RootTable->Buffer);
85    DtSetTableChecksum (&Rsdp->Checksum);
86
87    if (Rsdp->Revision > 0)
88    {
89        /* Compile the "extended" part of the RSDP as a subtable */
90
91        Status = DtCompileTable (PFieldList, AcpiDmTableInfoRsdp2,
92            &Subtable, TRUE);
93        if (ACPI_FAILURE (Status))
94        {
95            return (Status);
96        }
97
98        DtInsertSubtable (Gbl_RootTable, Subtable);
99
100        /* Set length and extended checksum for entire RSDP */
101
102        RsdpExtension = ACPI_CAST_PTR (ACPI_RSDP_EXTENSION, Subtable->Buffer);
103        RsdpExtension->Length = Gbl_RootTable->Length + Subtable->Length;
104        DtSetTableChecksum (&RsdpExtension->ExtendedChecksum);
105    }
106
107    return (AE_OK);
108}
109
110
111/******************************************************************************
112 *
113 * FUNCTION:    DtCompileFadt
114 *
115 * PARAMETERS:  List                - Current field list pointer
116 *
117 * RETURN:      Status
118 *
119 * DESCRIPTION: Compile FADT.
120 *
121 *****************************************************************************/
122
123ACPI_STATUS
124DtCompileFadt (
125    void                    **List)
126{
127    ACPI_STATUS             Status;
128    DT_SUBTABLE             *Subtable;
129    DT_SUBTABLE             *ParentTable;
130    DT_FIELD                **PFieldList = (DT_FIELD **) List;
131    ACPI_TABLE_HEADER       *Table;
132    UINT8                   Revision;
133
134
135    Status = DtCompileTable (PFieldList, AcpiDmTableInfoFadt1,
136        &Subtable, TRUE);
137    if (ACPI_FAILURE (Status))
138    {
139        return (Status);
140    }
141
142    ParentTable = DtPeekSubtable ();
143    DtInsertSubtable (ParentTable, Subtable);
144
145    Table = ACPI_CAST_PTR (ACPI_TABLE_HEADER, ParentTable->Buffer);
146    Revision = Table->Revision;
147
148    if (Revision == 2)
149    {
150        Status = DtCompileTable (PFieldList, AcpiDmTableInfoFadt2,
151            &Subtable, TRUE);
152        if (ACPI_FAILURE (Status))
153        {
154            return (Status);
155        }
156
157        DtInsertSubtable (ParentTable, Subtable);
158    }
159    else if (Revision >= 2)
160    {
161        Status = DtCompileTable (PFieldList, AcpiDmTableInfoFadt3,
162            &Subtable, TRUE);
163        if (ACPI_FAILURE (Status))
164        {
165            return (Status);
166        }
167
168        DtInsertSubtable (ParentTable, Subtable);
169
170        if (Revision >= 5)
171        {
172            Status = DtCompileTable (PFieldList, AcpiDmTableInfoFadt5,
173                &Subtable, TRUE);
174            if (ACPI_FAILURE (Status))
175            {
176                return (Status);
177            }
178
179            DtInsertSubtable (ParentTable, Subtable);
180        }
181
182        if (Revision >= 6)
183        {
184            Status = DtCompileTable (PFieldList, AcpiDmTableInfoFadt6,
185                &Subtable, TRUE);
186            if (ACPI_FAILURE (Status))
187            {
188                return (Status);
189            }
190
191            DtInsertSubtable (ParentTable, Subtable);
192        }
193    }
194
195    return (AE_OK);
196}
197
198
199/******************************************************************************
200 *
201 * FUNCTION:    DtCompileFacs
202 *
203 * PARAMETERS:  PFieldList          - Current field list pointer
204 *
205 * RETURN:      Status
206 *
207 * DESCRIPTION: Compile FACS.
208 *
209 *****************************************************************************/
210
211ACPI_STATUS
212DtCompileFacs (
213    DT_FIELD                **PFieldList)
214{
215    DT_SUBTABLE             *Subtable;
216    UINT8                   *ReservedBuffer;
217    ACPI_STATUS             Status;
218    UINT32                  ReservedSize;
219
220
221    Status = DtCompileTable (PFieldList, AcpiDmTableInfoFacs,
222        &Gbl_RootTable, TRUE);
223    if (ACPI_FAILURE (Status))
224    {
225        return (Status);
226    }
227
228    /* Large FACS reserved area at the end of the table */
229
230    ReservedSize = (UINT32) sizeof (((ACPI_TABLE_FACS *) NULL)->Reserved1);
231    ReservedBuffer = UtLocalCalloc (ReservedSize);
232
233    DtCreateSubtable (ReservedBuffer, ReservedSize, &Subtable);
234
235    ACPI_FREE (ReservedBuffer);
236    DtInsertSubtable (Gbl_RootTable, Subtable);
237    return (AE_OK);
238}
239