xref: /illumos-gate/usr/src/cmd/acpi/iasl/aslcodegen.c (revision 35786f68)
1bc36eafdSMike Gerdts /******************************************************************************
2bc36eafdSMike Gerdts  *
3bc36eafdSMike Gerdts  * Module Name: aslcodegen - AML code generation
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 "aslcompiler.h"
153bc36eafdSMike Gerdts #include "aslcompiler.y.h"
154bc36eafdSMike Gerdts #include "amlcode.h"
155*35786f68SRobert Mustacchi #include "acconvert.h"
156bc36eafdSMike Gerdts 
157bc36eafdSMike Gerdts #define _COMPONENT          ACPI_COMPILER
158bc36eafdSMike Gerdts         ACPI_MODULE_NAME    ("aslcodegen")
159bc36eafdSMike Gerdts 
160bc36eafdSMike Gerdts /* Local prototypes */
161bc36eafdSMike Gerdts 
162bc36eafdSMike Gerdts static ACPI_STATUS
163bc36eafdSMike Gerdts CgAmlWriteWalk (
164bc36eafdSMike Gerdts     ACPI_PARSE_OBJECT       *Op,
165bc36eafdSMike Gerdts     UINT32                  Level,
166bc36eafdSMike Gerdts     void                    *Context);
167bc36eafdSMike Gerdts 
168bc36eafdSMike Gerdts static void
169bc36eafdSMike Gerdts CgWriteAmlOpcode (
170bc36eafdSMike Gerdts     ACPI_PARSE_OBJECT       *Op);
171bc36eafdSMike Gerdts 
172bc36eafdSMike Gerdts static void
173bc36eafdSMike Gerdts CgWriteTableHeader (
174bc36eafdSMike Gerdts     ACPI_PARSE_OBJECT       *Op);
175bc36eafdSMike Gerdts 
176bc36eafdSMike Gerdts static void
177bc36eafdSMike Gerdts CgCloseTable (
178bc36eafdSMike Gerdts     void);
179bc36eafdSMike Gerdts 
180bc36eafdSMike Gerdts static void
181bc36eafdSMike Gerdts CgWriteNode (
182bc36eafdSMike Gerdts     ACPI_PARSE_OBJECT       *Op);
183bc36eafdSMike Gerdts 
184bc36eafdSMike Gerdts 
185bc36eafdSMike Gerdts /*******************************************************************************
186bc36eafdSMike Gerdts  *
187bc36eafdSMike Gerdts  * FUNCTION:    CgGenerateAmlOutput
188bc36eafdSMike Gerdts  *
189bc36eafdSMike Gerdts  * PARAMETERS:  None.
190bc36eafdSMike Gerdts  *
191bc36eafdSMike Gerdts  * RETURN:      None
192bc36eafdSMike Gerdts  *
193bc36eafdSMike Gerdts  * DESCRIPTION: Generate AML code. Currently generates the listing file
194bc36eafdSMike Gerdts  *              simultaneously.
195bc36eafdSMike Gerdts  *
196bc36eafdSMike Gerdts  ******************************************************************************/
197bc36eafdSMike Gerdts 
198bc36eafdSMike Gerdts void
CgGenerateAmlOutput(void)199bc36eafdSMike Gerdts CgGenerateAmlOutput (
200bc36eafdSMike Gerdts     void)
201bc36eafdSMike Gerdts {
202bc36eafdSMike Gerdts 
203bc36eafdSMike Gerdts     /* Generate the AML output file */
204bc36eafdSMike Gerdts 
205bc36eafdSMike Gerdts     FlSeekFile (ASL_FILE_SOURCE_OUTPUT, 0);
206bc36eafdSMike Gerdts     Gbl_SourceLine = 0;
207bc36eafdSMike Gerdts     Gbl_NextError = Gbl_ErrorLog;
208bc36eafdSMike Gerdts 
209bc36eafdSMike Gerdts     TrWalkParseTree (Gbl_ParseTreeRoot, ASL_WALK_VISIT_DOWNWARD,
210bc36eafdSMike Gerdts         CgAmlWriteWalk, NULL, NULL);
211bc36eafdSMike Gerdts 
212bc36eafdSMike Gerdts     DbgPrint (ASL_TREE_OUTPUT, ASL_PARSE_TREE_HEADER2);
213bc36eafdSMike Gerdts     CgCloseTable ();
214bc36eafdSMike Gerdts }
215bc36eafdSMike Gerdts 
216bc36eafdSMike Gerdts 
217bc36eafdSMike Gerdts /*******************************************************************************
218bc36eafdSMike Gerdts  *
219bc36eafdSMike Gerdts  * FUNCTION:    CgAmlWriteWalk
220bc36eafdSMike Gerdts  *
221bc36eafdSMike Gerdts  * PARAMETERS:  ASL_WALK_CALLBACK
222bc36eafdSMike Gerdts  *
223bc36eafdSMike Gerdts  * RETURN:      Status
224bc36eafdSMike Gerdts  *
225bc36eafdSMike Gerdts  * DESCRIPTION: Parse tree walk to generate the AML code.
226bc36eafdSMike Gerdts  *
227bc36eafdSMike Gerdts  ******************************************************************************/
228bc36eafdSMike Gerdts 
229bc36eafdSMike Gerdts static ACPI_STATUS
CgAmlWriteWalk(ACPI_PARSE_OBJECT * Op,UINT32 Level,void * Context)230bc36eafdSMike Gerdts CgAmlWriteWalk (
231bc36eafdSMike Gerdts     ACPI_PARSE_OBJECT       *Op,
232bc36eafdSMike Gerdts     UINT32                  Level,
233bc36eafdSMike Gerdts     void                    *Context)
234bc36eafdSMike Gerdts {
235bc36eafdSMike Gerdts 
236bc36eafdSMike Gerdts     /* Generate the AML for this node */
237bc36eafdSMike Gerdts 
238bc36eafdSMike Gerdts     CgWriteNode (Op);
239bc36eafdSMike Gerdts 
240bc36eafdSMike Gerdts     if (!Gbl_DebugFlag)
241bc36eafdSMike Gerdts     {
242bc36eafdSMike Gerdts         return (AE_OK);
243bc36eafdSMike Gerdts     }
244bc36eafdSMike Gerdts 
245bc36eafdSMike Gerdts     /* Print header at level 0. Alignment assumes 32-bit pointers */
246bc36eafdSMike Gerdts 
247bc36eafdSMike Gerdts     if (!Level)
248bc36eafdSMike Gerdts     {
249bc36eafdSMike Gerdts         DbgPrint (ASL_TREE_OUTPUT,
250bc36eafdSMike Gerdts             "\nFinal parse tree used for AML output:\n");
251bc36eafdSMike Gerdts         DbgPrint (ASL_TREE_OUTPUT, ASL_PARSE_TREE_HEADER2);
252bc36eafdSMike Gerdts     }
253bc36eafdSMike Gerdts 
254bc36eafdSMike Gerdts     /* Dump ParseOp name and possible value */
255bc36eafdSMike Gerdts 
256bc36eafdSMike Gerdts     switch (Op->Asl.ParseOpcode)
257bc36eafdSMike Gerdts     {
258bc36eafdSMike Gerdts     case PARSEOP_NAMESEG:
259bc36eafdSMike Gerdts     case PARSEOP_NAMESTRING:
260bc36eafdSMike Gerdts     case PARSEOP_METHODCALL:
261bc36eafdSMike Gerdts     case PARSEOP_STRING_LITERAL:
262bc36eafdSMike Gerdts 
263bc36eafdSMike Gerdts         UtDumpStringOp (Op, Level);
264bc36eafdSMike Gerdts         break;
265bc36eafdSMike Gerdts 
266bc36eafdSMike Gerdts     default:
267bc36eafdSMike Gerdts 
268bc36eafdSMike Gerdts         UtDumpBasicOp (Op, Level);
269bc36eafdSMike Gerdts         break;
270bc36eafdSMike Gerdts     }
271bc36eafdSMike Gerdts 
272bc36eafdSMike Gerdts     DbgPrint (ASL_TREE_OUTPUT, ASL_PARSE_TREE_DEBUG2,
273bc36eafdSMike Gerdts         /* 1  */ (UINT32) Op->Asl.Value.Integer,
274bc36eafdSMike Gerdts         /* 2  */ Op->Asl.ParseOpcode,
275bc36eafdSMike Gerdts         /* 3  */ Op->Asl.AmlOpcode,
276bc36eafdSMike Gerdts         /* 4  */ Op->Asl.AmlOpcodeLength,
277bc36eafdSMike Gerdts         /* 5  */ Op->Asl.AmlPkgLenBytes,
278bc36eafdSMike Gerdts         /* 6  */ Op->Asl.AmlLength,
279bc36eafdSMike Gerdts         /* 7  */ Op->Asl.AmlSubtreeLength,
280bc36eafdSMike Gerdts         /* 8  */ Op->Asl.Parent ? Op->Asl.Parent->Asl.AmlSubtreeLength : 0,
281bc36eafdSMike Gerdts         /* 9  */ Op,
282bc36eafdSMike Gerdts         /* 10 */ Op->Asl.Parent,
283bc36eafdSMike Gerdts         /* 11 */ Op->Asl.Child,
284bc36eafdSMike Gerdts         /* 12 */ Op->Asl.Next,
285bc36eafdSMike Gerdts         /* 13 */ Op->Asl.CompileFlags,
286bc36eafdSMike Gerdts         /* 14 */ Op->Asl.AcpiBtype,
287bc36eafdSMike Gerdts         /* 15 */ Op->Asl.FinalAmlLength,
288bc36eafdSMike Gerdts         /* 16 */ Op->Asl.Column,
289bc36eafdSMike Gerdts         /* 17 */ Op->Asl.LineNumber,
290bc36eafdSMike Gerdts         /* 18 */ Op->Asl.EndLine,
291bc36eafdSMike Gerdts         /* 19 */ Op->Asl.LogicalLineNumber,
292bc36eafdSMike Gerdts         /* 20 */ Op->Asl.EndLogicalLine);
293bc36eafdSMike Gerdts 
294*35786f68SRobert Mustacchi     TrPrintOpFlags (Op->Asl.CompileFlags, ASL_TREE_OUTPUT);
295*35786f68SRobert Mustacchi     DbgPrint (ASL_TREE_OUTPUT, "\n");
296bc36eafdSMike Gerdts     return (AE_OK);
297bc36eafdSMike Gerdts }
298bc36eafdSMike Gerdts 
299bc36eafdSMike Gerdts 
300bc36eafdSMike Gerdts /*******************************************************************************
301bc36eafdSMike Gerdts  *
302bc36eafdSMike Gerdts  * FUNCTION:    CgLocalWriteAmlData
303bc36eafdSMike Gerdts  *
304bc36eafdSMike Gerdts  * PARAMETERS:  Op              - Current parse op
305bc36eafdSMike Gerdts  *              Buffer          - Buffer to write
306bc36eafdSMike Gerdts  *              Length          - Size of data in buffer
307bc36eafdSMike Gerdts  *
308bc36eafdSMike Gerdts  * RETURN:      None
309bc36eafdSMike Gerdts  *
310bc36eafdSMike Gerdts  * DESCRIPTION: Write a buffer of AML data to the AML output file.
311bc36eafdSMike Gerdts  *
312bc36eafdSMike Gerdts  ******************************************************************************/
313bc36eafdSMike Gerdts 
314*35786f68SRobert Mustacchi void
CgLocalWriteAmlData(ACPI_PARSE_OBJECT * Op,void * Buffer,UINT32 Length)315bc36eafdSMike Gerdts CgLocalWriteAmlData (
316bc36eafdSMike Gerdts     ACPI_PARSE_OBJECT       *Op,
317bc36eafdSMike Gerdts     void                    *Buffer,
318bc36eafdSMike Gerdts     UINT32                  Length)
319bc36eafdSMike Gerdts {
320bc36eafdSMike Gerdts 
321bc36eafdSMike Gerdts     /* Write the raw data to the AML file */
322bc36eafdSMike Gerdts 
323bc36eafdSMike Gerdts     FlWriteFile (ASL_FILE_AML_OUTPUT, Buffer, Length);
324bc36eafdSMike Gerdts 
325bc36eafdSMike Gerdts     /* Update the final AML length for this node (used for listings) */
326bc36eafdSMike Gerdts 
327bc36eafdSMike Gerdts     if (Op)
328bc36eafdSMike Gerdts     {
329bc36eafdSMike Gerdts         Op->Asl.FinalAmlLength += Length;
330bc36eafdSMike Gerdts     }
331bc36eafdSMike Gerdts }
332bc36eafdSMike Gerdts 
333bc36eafdSMike Gerdts 
334bc36eafdSMike Gerdts /*******************************************************************************
335bc36eafdSMike Gerdts  *
336bc36eafdSMike Gerdts  * FUNCTION:    CgWriteAmlOpcode
337bc36eafdSMike Gerdts  *
338bc36eafdSMike Gerdts  * PARAMETERS:  Op            - Parse node with an AML opcode
339bc36eafdSMike Gerdts  *
340bc36eafdSMike Gerdts  * RETURN:      None.
341bc36eafdSMike Gerdts  *
342bc36eafdSMike Gerdts  * DESCRIPTION: Write the AML opcode corresponding to a parse node.
343bc36eafdSMike Gerdts  *
344bc36eafdSMike Gerdts  ******************************************************************************/
345bc36eafdSMike Gerdts 
346bc36eafdSMike Gerdts static void
CgWriteAmlOpcode(ACPI_PARSE_OBJECT * Op)347bc36eafdSMike Gerdts CgWriteAmlOpcode (
348bc36eafdSMike Gerdts     ACPI_PARSE_OBJECT       *Op)
349bc36eafdSMike Gerdts {
350bc36eafdSMike Gerdts     UINT8                   PkgLenFirstByte;
351bc36eafdSMike Gerdts     UINT32                  i;
352bc36eafdSMike Gerdts     union {
353bc36eafdSMike Gerdts         UINT16                  Opcode;
354bc36eafdSMike Gerdts         UINT8                   OpcodeBytes[2];
355bc36eafdSMike Gerdts     } Aml;
356bc36eafdSMike Gerdts     union {
357bc36eafdSMike Gerdts         UINT32                  Len;
358bc36eafdSMike Gerdts         UINT8                   LenBytes[4];
359bc36eafdSMike Gerdts     } PkgLen;
360bc36eafdSMike Gerdts 
361bc36eafdSMike Gerdts 
362bc36eafdSMike Gerdts     /* We expect some DEFAULT_ARGs, just ignore them */
363bc36eafdSMike Gerdts 
364bc36eafdSMike Gerdts     if (Op->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
365bc36eafdSMike Gerdts     {
366bc36eafdSMike Gerdts         return;
367bc36eafdSMike Gerdts     }
368bc36eafdSMike Gerdts 
369*35786f68SRobert Mustacchi     /*
370*35786f68SRobert Mustacchi      * Before printing the bytecode, generate comment byte codes
371*35786f68SRobert Mustacchi      * associated with this node.
372*35786f68SRobert Mustacchi      */
373*35786f68SRobert Mustacchi     if (AcpiGbl_CaptureComments)
374*35786f68SRobert Mustacchi     {
375*35786f68SRobert Mustacchi         CgWriteAmlComment(Op);
376*35786f68SRobert Mustacchi     }
377*35786f68SRobert Mustacchi 
378bc36eafdSMike Gerdts     switch (Op->Asl.AmlOpcode)
379bc36eafdSMike Gerdts     {
380bc36eafdSMike Gerdts     case AML_UNASSIGNED_OPCODE:
381bc36eafdSMike Gerdts 
382bc36eafdSMike Gerdts         /* These opcodes should not get here */
383bc36eafdSMike Gerdts 
384bc36eafdSMike Gerdts         printf ("Found a node with an unassigned AML opcode\n");
385bc36eafdSMike Gerdts         FlPrintFile (ASL_FILE_STDERR,
386bc36eafdSMike Gerdts             "Found a node with an unassigned AML opcode\n");
387bc36eafdSMike Gerdts         return;
388bc36eafdSMike Gerdts 
389bc36eafdSMike Gerdts     case AML_INT_RESERVEDFIELD_OP:
390bc36eafdSMike Gerdts 
391bc36eafdSMike Gerdts         /* Special opcodes for within a field definition */
392bc36eafdSMike Gerdts 
393bc36eafdSMike Gerdts         Aml.Opcode = AML_FIELD_OFFSET_OP;
394bc36eafdSMike Gerdts         break;
395bc36eafdSMike Gerdts 
396bc36eafdSMike Gerdts     case AML_INT_ACCESSFIELD_OP:
397bc36eafdSMike Gerdts 
398bc36eafdSMike Gerdts         Aml.Opcode = AML_FIELD_ACCESS_OP;
399bc36eafdSMike Gerdts         break;
400bc36eafdSMike Gerdts 
401bc36eafdSMike Gerdts     case AML_INT_CONNECTION_OP:
402bc36eafdSMike Gerdts 
403bc36eafdSMike Gerdts         Aml.Opcode = AML_FIELD_CONNECTION_OP;
404bc36eafdSMike Gerdts         break;
405bc36eafdSMike Gerdts 
406bc36eafdSMike Gerdts     default:
407bc36eafdSMike Gerdts 
408bc36eafdSMike Gerdts         Aml.Opcode = Op->Asl.AmlOpcode;
409bc36eafdSMike Gerdts         break;
410bc36eafdSMike Gerdts     }
411bc36eafdSMike Gerdts 
412bc36eafdSMike Gerdts 
413bc36eafdSMike Gerdts     switch (Aml.Opcode)
414bc36eafdSMike Gerdts     {
415bc36eafdSMike Gerdts     case AML_PACKAGE_LENGTH:
416bc36eafdSMike Gerdts 
417bc36eafdSMike Gerdts         /* Value is the length to be encoded (Used in field definitions) */
418bc36eafdSMike Gerdts 
419bc36eafdSMike Gerdts         PkgLen.Len = (UINT32) Op->Asl.Value.Integer;
420bc36eafdSMike Gerdts         break;
421bc36eafdSMike Gerdts 
422bc36eafdSMike Gerdts     default:
423bc36eafdSMike Gerdts 
424bc36eafdSMike Gerdts         /* Check for two-byte opcode */
425bc36eafdSMike Gerdts 
426bc36eafdSMike Gerdts         if (Aml.Opcode > 0x00FF)
427bc36eafdSMike Gerdts         {
428bc36eafdSMike Gerdts             /* Write the high byte first */
429bc36eafdSMike Gerdts 
430bc36eafdSMike Gerdts             CgLocalWriteAmlData (Op, &Aml.OpcodeBytes[1], 1);
431bc36eafdSMike Gerdts         }
432bc36eafdSMike Gerdts 
433bc36eafdSMike Gerdts         CgLocalWriteAmlData (Op, &Aml.OpcodeBytes[0], 1);
434bc36eafdSMike Gerdts 
435bc36eafdSMike Gerdts         /* Subtreelength doesn't include length of package length bytes */
436bc36eafdSMike Gerdts 
437bc36eafdSMike Gerdts         PkgLen.Len = Op->Asl.AmlSubtreeLength + Op->Asl.AmlPkgLenBytes;
438bc36eafdSMike Gerdts         break;
439bc36eafdSMike Gerdts     }
440bc36eafdSMike Gerdts 
441bc36eafdSMike Gerdts     /* Does this opcode have an associated "PackageLength" field? */
442bc36eafdSMike Gerdts 
443*35786f68SRobert Mustacchi     if (Op->Asl.CompileFlags & OP_AML_PACKAGE)
444bc36eafdSMike Gerdts     {
445bc36eafdSMike Gerdts         if (Op->Asl.AmlPkgLenBytes == 1)
446bc36eafdSMike Gerdts         {
447bc36eafdSMike Gerdts             /* Simplest case -- no bytes to follow, just write the count */
448bc36eafdSMike Gerdts 
449bc36eafdSMike Gerdts             CgLocalWriteAmlData (Op, &PkgLen.LenBytes[0], 1);
450bc36eafdSMike Gerdts         }
451bc36eafdSMike Gerdts         else if (Op->Asl.AmlPkgLenBytes != 0)
452bc36eafdSMike Gerdts         {
453bc36eafdSMike Gerdts             /*
454bc36eafdSMike Gerdts              * Encode the "bytes to follow" in the first byte, top two bits.
455bc36eafdSMike Gerdts              * The low-order nybble of the length is in the bottom 4 bits
456bc36eafdSMike Gerdts              */
457bc36eafdSMike Gerdts             PkgLenFirstByte = (UINT8)
458bc36eafdSMike Gerdts                 (((UINT32) (Op->Asl.AmlPkgLenBytes - 1) << 6) |
459bc36eafdSMike Gerdts                 (PkgLen.LenBytes[0] & 0x0F));
460bc36eafdSMike Gerdts 
461bc36eafdSMike Gerdts             CgLocalWriteAmlData (Op, &PkgLenFirstByte, 1);
462bc36eafdSMike Gerdts 
463bc36eafdSMike Gerdts             /*
464bc36eafdSMike Gerdts              * Shift the length over by the 4 bits we just stuffed
465bc36eafdSMike Gerdts              * in the first byte
466bc36eafdSMike Gerdts              */
467bc36eafdSMike Gerdts             PkgLen.Len >>= 4;
468bc36eafdSMike Gerdts 
469bc36eafdSMike Gerdts             /*
470bc36eafdSMike Gerdts              * Now we can write the remaining bytes -
471bc36eafdSMike Gerdts              * either 1, 2, or 3 bytes
472bc36eafdSMike Gerdts              */
473bc36eafdSMike Gerdts             for (i = 0; i < (UINT32) (Op->Asl.AmlPkgLenBytes - 1); i++)
474bc36eafdSMike Gerdts             {
475bc36eafdSMike Gerdts                 CgLocalWriteAmlData (Op, &PkgLen.LenBytes[i], 1);
476bc36eafdSMike Gerdts             }
477bc36eafdSMike Gerdts         }
478bc36eafdSMike Gerdts     }
479bc36eafdSMike Gerdts 
480bc36eafdSMike Gerdts     switch (Aml.Opcode)
481bc36eafdSMike Gerdts     {
482bc36eafdSMike Gerdts     case AML_BYTE_OP:
483bc36eafdSMike Gerdts 
484bc36eafdSMike Gerdts         CgLocalWriteAmlData (Op, &Op->Asl.Value.Integer, 1);
485bc36eafdSMike Gerdts         break;
486bc36eafdSMike Gerdts 
487bc36eafdSMike Gerdts     case AML_WORD_OP:
488bc36eafdSMike Gerdts 
489bc36eafdSMike Gerdts         CgLocalWriteAmlData (Op, &Op->Asl.Value.Integer, 2);
490bc36eafdSMike Gerdts        break;
491bc36eafdSMike Gerdts 
492bc36eafdSMike Gerdts     case AML_DWORD_OP:
493bc36eafdSMike Gerdts 
494bc36eafdSMike Gerdts         CgLocalWriteAmlData (Op, &Op->Asl.Value.Integer, 4);
495bc36eafdSMike Gerdts         break;
496bc36eafdSMike Gerdts 
497bc36eafdSMike Gerdts     case AML_QWORD_OP:
498bc36eafdSMike Gerdts 
499bc36eafdSMike Gerdts         CgLocalWriteAmlData (Op, &Op->Asl.Value.Integer, 8);
500bc36eafdSMike Gerdts         break;
501bc36eafdSMike Gerdts 
502bc36eafdSMike Gerdts     case AML_STRING_OP:
503bc36eafdSMike Gerdts 
504bc36eafdSMike Gerdts         CgLocalWriteAmlData (Op, Op->Asl.Value.String, Op->Asl.AmlLength);
505bc36eafdSMike Gerdts         break;
506bc36eafdSMike Gerdts 
507bc36eafdSMike Gerdts     default:
508bc36eafdSMike Gerdts 
509bc36eafdSMike Gerdts         /* All data opcodes must appear above */
510bc36eafdSMike Gerdts 
511bc36eafdSMike Gerdts         break;
512bc36eafdSMike Gerdts     }
513bc36eafdSMike Gerdts }
514bc36eafdSMike Gerdts 
515bc36eafdSMike Gerdts 
516bc36eafdSMike Gerdts /*******************************************************************************
517bc36eafdSMike Gerdts  *
518bc36eafdSMike Gerdts  * FUNCTION:    CgWriteTableHeader
519bc36eafdSMike Gerdts  *
520bc36eafdSMike Gerdts  * PARAMETERS:  Op        - The DEFINITIONBLOCK node
521bc36eafdSMike Gerdts  *
522bc36eafdSMike Gerdts  * RETURN:      None
523bc36eafdSMike Gerdts  *
524bc36eafdSMike Gerdts  * DESCRIPTION: Write a table header corresponding to the DEFINITIONBLOCK
525bc36eafdSMike Gerdts  *
526bc36eafdSMike Gerdts  ******************************************************************************/
527bc36eafdSMike Gerdts 
528bc36eafdSMike Gerdts static void
CgWriteTableHeader(ACPI_PARSE_OBJECT * Op)529bc36eafdSMike Gerdts CgWriteTableHeader (
530bc36eafdSMike Gerdts     ACPI_PARSE_OBJECT       *Op)
531bc36eafdSMike Gerdts {
532bc36eafdSMike Gerdts     ACPI_PARSE_OBJECT       *Child;
533*35786f68SRobert Mustacchi     UINT32                  CommentLength;
534*35786f68SRobert Mustacchi     ACPI_COMMENT_NODE       *Current;
535bc36eafdSMike Gerdts 
536bc36eafdSMike Gerdts 
537bc36eafdSMike Gerdts     /* AML filename */
538bc36eafdSMike Gerdts 
539bc36eafdSMike Gerdts     Child = Op->Asl.Child;
540bc36eafdSMike Gerdts 
541bc36eafdSMike Gerdts     /* Signature */
542bc36eafdSMike Gerdts 
543bc36eafdSMike Gerdts     Child = Child->Asl.Next;
544*35786f68SRobert Mustacchi 
545*35786f68SRobert Mustacchi     /*
546*35786f68SRobert Mustacchi      * For ASL-/ASL+ converter: replace the table signature with
547*35786f68SRobert Mustacchi      * "XXXX" and save the original table signature. This results in an AML
548*35786f68SRobert Mustacchi      * file with the signature "XXXX". The converter should remove this AML
549*35786f68SRobert Mustacchi      * file. In the event where this AML file does not get deleted, the
550*35786f68SRobert Mustacchi      * "XXXX" table signature prevents this AML file from running on the AML
551*35786f68SRobert Mustacchi      * interpreter.
552*35786f68SRobert Mustacchi      */
553*35786f68SRobert Mustacchi     if (AcpiGbl_CaptureComments)
554*35786f68SRobert Mustacchi     {
555*35786f68SRobert Mustacchi         strncpy(AcpiGbl_TableSig, Child->Asl.Value.String, ACPI_NAME_SIZE);
556*35786f68SRobert Mustacchi         Child->Asl.Value.String = ACPI_SIG_XXXX;
557*35786f68SRobert Mustacchi     }
558*35786f68SRobert Mustacchi 
559*35786f68SRobert Mustacchi     strncpy (TableHeader.Signature, Child->Asl.Value.String, ACPI_NAME_SIZE);
560bc36eafdSMike Gerdts 
561bc36eafdSMike Gerdts     /* Revision */
562bc36eafdSMike Gerdts 
563bc36eafdSMike Gerdts     Child = Child->Asl.Next;
564bc36eafdSMike Gerdts     TableHeader.Revision = (UINT8) Child->Asl.Value.Integer;
565bc36eafdSMike Gerdts 
566bc36eafdSMike Gerdts     /* Command-line Revision override */
567bc36eafdSMike Gerdts 
568bc36eafdSMike Gerdts     if (Gbl_RevisionOverride)
569bc36eafdSMike Gerdts     {
570bc36eafdSMike Gerdts         TableHeader.Revision = Gbl_RevisionOverride;
571bc36eafdSMike Gerdts     }
572bc36eafdSMike Gerdts 
573bc36eafdSMike Gerdts     /* OEMID */
574bc36eafdSMike Gerdts 
575bc36eafdSMike Gerdts     Child = Child->Asl.Next;
576*35786f68SRobert Mustacchi     strncpy (TableHeader.OemId, Child->Asl.Value.String, ACPI_OEM_ID_SIZE);
577bc36eafdSMike Gerdts 
578bc36eafdSMike Gerdts     /* OEM TableID */
579bc36eafdSMike Gerdts 
580bc36eafdSMike Gerdts     Child = Child->Asl.Next;
581*35786f68SRobert Mustacchi     strncpy (TableHeader.OemTableId, Child->Asl.Value.String, ACPI_OEM_TABLE_ID_SIZE);
582bc36eafdSMike Gerdts 
583bc36eafdSMike Gerdts     /* OEM Revision */
584bc36eafdSMike Gerdts 
585bc36eafdSMike Gerdts     Child = Child->Asl.Next;
586bc36eafdSMike Gerdts     TableHeader.OemRevision = (UINT32) Child->Asl.Value.Integer;
587bc36eafdSMike Gerdts 
588bc36eafdSMike Gerdts     /* Compiler ID */
589bc36eafdSMike Gerdts 
590bc36eafdSMike Gerdts     ACPI_MOVE_NAME (TableHeader.AslCompilerId, ASL_CREATOR_ID);
591bc36eafdSMike Gerdts 
592bc36eafdSMike Gerdts     /* Compiler version */
593bc36eafdSMike Gerdts 
594bc36eafdSMike Gerdts     TableHeader.AslCompilerRevision = ACPI_CA_VERSION;
595bc36eafdSMike Gerdts 
596bc36eafdSMike Gerdts     /* Table length. Checksum zero for now, will rewrite later */
597bc36eafdSMike Gerdts 
598bc36eafdSMike Gerdts     TableHeader.Length = sizeof (ACPI_TABLE_HEADER) +
599bc36eafdSMike Gerdts         Op->Asl.AmlSubtreeLength;
600*35786f68SRobert Mustacchi 
601*35786f68SRobert Mustacchi     /* Calculate the comment lengths for this definition block parseOp */
602*35786f68SRobert Mustacchi 
603*35786f68SRobert Mustacchi     if (AcpiGbl_CaptureComments)
604*35786f68SRobert Mustacchi     {
605*35786f68SRobert Mustacchi         CvDbgPrint ("Calculating comment lengths for %s in write header\n",
606*35786f68SRobert Mustacchi             Op->Asl.ParseOpName);
607*35786f68SRobert Mustacchi 
608*35786f68SRobert Mustacchi         /*
609*35786f68SRobert Mustacchi          * Take the filename without extensions, add 3 for the new extension
610*35786f68SRobert Mustacchi          * and another 3 for the a908 bytecode and null terminator.
611*35786f68SRobert Mustacchi          */
612*35786f68SRobert Mustacchi         TableHeader.Length += strrchr (Gbl_ParseTreeRoot->Asl.Filename, '.')
613*35786f68SRobert Mustacchi             - Gbl_ParseTreeRoot->Asl.Filename + 1 + 3 + 3;
614*35786f68SRobert Mustacchi         Op->Asl.AmlSubtreeLength +=
615*35786f68SRobert Mustacchi             strlen (Gbl_ParseTreeRoot->Asl.Filename) + 3;
616*35786f68SRobert Mustacchi     CvDbgPrint ("     Length: %lu\n",
617*35786f68SRobert Mustacchi             strlen (Gbl_ParseTreeRoot->Asl.Filename) + 3);
618*35786f68SRobert Mustacchi 
619*35786f68SRobert Mustacchi         if (Op->Asl.CommentList)
620*35786f68SRobert Mustacchi         {
621*35786f68SRobert Mustacchi             Current = Op->Asl.CommentList;
622*35786f68SRobert Mustacchi             while (Current)
623*35786f68SRobert Mustacchi             {
624*35786f68SRobert Mustacchi                 CommentLength = strlen (Current->Comment)+3;
625*35786f68SRobert Mustacchi                 CvDbgPrint ("Length of standard comment): %d\n", CommentLength);
626*35786f68SRobert Mustacchi                 CvDbgPrint ("    Comment string: %s\n\n", Current->Comment);
627*35786f68SRobert Mustacchi                 TableHeader.Length += CommentLength;
628*35786f68SRobert Mustacchi                 Op->Asl.AmlSubtreeLength += CommentLength;
629*35786f68SRobert Mustacchi                 Current = Current->Next;
630*35786f68SRobert Mustacchi             CvDbgPrint ("    Length: %u\n", CommentLength);
631*35786f68SRobert Mustacchi             }
632*35786f68SRobert Mustacchi         }
633*35786f68SRobert Mustacchi         if (Op->Asl.CloseBraceComment)
634*35786f68SRobert Mustacchi         {
635*35786f68SRobert Mustacchi             CommentLength = strlen (Op->Asl.CloseBraceComment)+3;
636*35786f68SRobert Mustacchi             CvDbgPrint ("Length of inline comment +3: %d\n", CommentLength);
637*35786f68SRobert Mustacchi             CvDbgPrint ("    Comment string: %s\n\n", Op->Asl.CloseBraceComment);
638*35786f68SRobert Mustacchi             TableHeader.Length += CommentLength;
639*35786f68SRobert Mustacchi             Op->Asl.AmlSubtreeLength += CommentLength;
640*35786f68SRobert Mustacchi         CvDbgPrint ("    Length: %u\n", CommentLength);
641*35786f68SRobert Mustacchi         }
642*35786f68SRobert Mustacchi     }
643*35786f68SRobert Mustacchi 
644bc36eafdSMike Gerdts     TableHeader.Checksum = 0;
645bc36eafdSMike Gerdts 
646bc36eafdSMike Gerdts     Op->Asl.FinalAmlOffset = ftell (Gbl_Files[ASL_FILE_AML_OUTPUT].Handle);
647bc36eafdSMike Gerdts 
648bc36eafdSMike Gerdts     /* Write entire header and clear the table header global */
649bc36eafdSMike Gerdts 
650bc36eafdSMike Gerdts     CgLocalWriteAmlData (Op, &TableHeader, sizeof (ACPI_TABLE_HEADER));
651bc36eafdSMike Gerdts     memset (&TableHeader, 0, sizeof (ACPI_TABLE_HEADER));
652bc36eafdSMike Gerdts }
653bc36eafdSMike Gerdts 
654bc36eafdSMike Gerdts 
655bc36eafdSMike Gerdts /*******************************************************************************
656bc36eafdSMike Gerdts  *
657bc36eafdSMike Gerdts  * FUNCTION:    CgUpdateHeader
658bc36eafdSMike Gerdts  *
659bc36eafdSMike Gerdts  * PARAMETERS:  Op                  - Op for the Definition Block
660bc36eafdSMike Gerdts  *
661bc36eafdSMike Gerdts  * RETURN:      None.
662bc36eafdSMike Gerdts  *
663bc36eafdSMike Gerdts  * DESCRIPTION: Complete the ACPI table by calculating the checksum and
664bc36eafdSMike Gerdts  *              re-writing the header for the input definition block
665bc36eafdSMike Gerdts  *
666bc36eafdSMike Gerdts  ******************************************************************************/
667bc36eafdSMike Gerdts 
668bc36eafdSMike Gerdts static void
CgUpdateHeader(ACPI_PARSE_OBJECT * Op)669bc36eafdSMike Gerdts CgUpdateHeader (
670*35786f68SRobert Mustacchi     ACPI_PARSE_OBJECT       *Op)
671bc36eafdSMike Gerdts {
672*35786f68SRobert Mustacchi     signed char             Sum;
673*35786f68SRobert Mustacchi     UINT32                  i;
674*35786f68SRobert Mustacchi     UINT32                  Length;
675*35786f68SRobert Mustacchi     UINT8                   FileByte;
676*35786f68SRobert Mustacchi     UINT8                   Checksum;
677bc36eafdSMike Gerdts 
678bc36eafdSMike Gerdts 
679bc36eafdSMike Gerdts     /* Calculate the checksum over the entire definition block */
680bc36eafdSMike Gerdts 
681bc36eafdSMike Gerdts     Sum = 0;
682bc36eafdSMike Gerdts     Length = sizeof (ACPI_TABLE_HEADER) + Op->Asl.AmlSubtreeLength;
683bc36eafdSMike Gerdts     FlSeekFile (ASL_FILE_AML_OUTPUT, Op->Asl.FinalAmlOffset);
684bc36eafdSMike Gerdts 
685bc36eafdSMike Gerdts     for (i = 0; i < Length; i++)
686bc36eafdSMike Gerdts     {
687bc36eafdSMike Gerdts         if (FlReadFile (ASL_FILE_AML_OUTPUT, &FileByte, 1) != AE_OK)
688bc36eafdSMike Gerdts         {
689bc36eafdSMike Gerdts             printf ("EOF while reading checksum bytes\n");
690bc36eafdSMike Gerdts             return;
691bc36eafdSMike Gerdts         }
692bc36eafdSMike Gerdts 
693bc36eafdSMike Gerdts         Sum = (signed char) (Sum + FileByte);
694bc36eafdSMike Gerdts     }
695bc36eafdSMike Gerdts 
696bc36eafdSMike Gerdts     Checksum = (UINT8) (0 - Sum);
697bc36eafdSMike Gerdts 
698bc36eafdSMike Gerdts     /* Re-write the the checksum byte */
699bc36eafdSMike Gerdts 
700bc36eafdSMike Gerdts     FlSeekFile (ASL_FILE_AML_OUTPUT, Op->Asl.FinalAmlOffset +
701bc36eafdSMike Gerdts         ACPI_OFFSET (ACPI_TABLE_HEADER, Checksum));
702bc36eafdSMike Gerdts 
703bc36eafdSMike Gerdts     FlWriteFile (ASL_FILE_AML_OUTPUT, &Checksum, 1);
704bc36eafdSMike Gerdts }
705bc36eafdSMike Gerdts 
706bc36eafdSMike Gerdts 
707bc36eafdSMike Gerdts /*******************************************************************************
708bc36eafdSMike Gerdts  *
709bc36eafdSMike Gerdts  * FUNCTION:    CgCloseTable
710bc36eafdSMike Gerdts  *
711bc36eafdSMike Gerdts  * PARAMETERS:  None.
712bc36eafdSMike Gerdts  *
713bc36eafdSMike Gerdts  * RETURN:      None.
714bc36eafdSMike Gerdts  *
715bc36eafdSMike Gerdts  * DESCRIPTION: Complete the ACPI table by calculating the checksum and
716bc36eafdSMike Gerdts  *              re-writing each table header. This allows support for
717bc36eafdSMike Gerdts  *              multiple definition blocks in a single source file.
718bc36eafdSMike Gerdts  *
719bc36eafdSMike Gerdts  ******************************************************************************/
720bc36eafdSMike Gerdts 
721bc36eafdSMike Gerdts static void
CgCloseTable(void)722bc36eafdSMike Gerdts CgCloseTable (
723bc36eafdSMike Gerdts     void)
724bc36eafdSMike Gerdts {
725bc36eafdSMike Gerdts     ACPI_PARSE_OBJECT   *Op;
726bc36eafdSMike Gerdts 
727bc36eafdSMike Gerdts 
728bc36eafdSMike Gerdts     /* Process all definition blocks */
729bc36eafdSMike Gerdts 
730bc36eafdSMike Gerdts     Op = Gbl_ParseTreeRoot->Asl.Child;
731bc36eafdSMike Gerdts     while (Op)
732bc36eafdSMike Gerdts     {
733bc36eafdSMike Gerdts         CgUpdateHeader (Op);
734bc36eafdSMike Gerdts         Op = Op->Asl.Next;
735bc36eafdSMike Gerdts     }
736bc36eafdSMike Gerdts }
737bc36eafdSMike Gerdts 
738bc36eafdSMike Gerdts 
739bc36eafdSMike Gerdts /*******************************************************************************
740bc36eafdSMike Gerdts  *
741bc36eafdSMike Gerdts  * FUNCTION:    CgWriteNode
742bc36eafdSMike Gerdts  *
743bc36eafdSMike Gerdts  * PARAMETERS:  Op            - Parse node to write.
744bc36eafdSMike Gerdts  *
745bc36eafdSMike Gerdts  * RETURN:      None.
746bc36eafdSMike Gerdts  *
747bc36eafdSMike Gerdts  * DESCRIPTION: Write the AML that corresponds to a parse node.
748bc36eafdSMike Gerdts  *
749bc36eafdSMike Gerdts  ******************************************************************************/
750bc36eafdSMike Gerdts 
751bc36eafdSMike Gerdts static void
CgWriteNode(ACPI_PARSE_OBJECT * Op)752bc36eafdSMike Gerdts CgWriteNode (
753bc36eafdSMike Gerdts     ACPI_PARSE_OBJECT       *Op)
754bc36eafdSMike Gerdts {
755bc36eafdSMike Gerdts     ASL_RESOURCE_NODE       *Rnode;
756bc36eafdSMike Gerdts 
757bc36eafdSMike Gerdts 
758*35786f68SRobert Mustacchi     /* Write all comments here. */
759*35786f68SRobert Mustacchi 
760*35786f68SRobert Mustacchi     if (AcpiGbl_CaptureComments)
761*35786f68SRobert Mustacchi     {
762*35786f68SRobert Mustacchi         CgWriteAmlComment(Op);
763*35786f68SRobert Mustacchi     }
764*35786f68SRobert Mustacchi 
765bc36eafdSMike Gerdts     /* Always check for DEFAULT_ARG and other "Noop" nodes */
766bc36eafdSMike Gerdts     /* TBD: this may not be the best place for this check */
767bc36eafdSMike Gerdts 
768bc36eafdSMike Gerdts     if ((Op->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)  ||
769bc36eafdSMike Gerdts         (Op->Asl.ParseOpcode == PARSEOP_INCLUDE)      ||
770bc36eafdSMike Gerdts         (Op->Asl.ParseOpcode == PARSEOP_INCLUDE_END))
771bc36eafdSMike Gerdts     {
772bc36eafdSMike Gerdts         return;
773bc36eafdSMike Gerdts     }
774bc36eafdSMike Gerdts 
775bc36eafdSMike Gerdts     if ((Op->Asl.ParseOpcode == PARSEOP_EXTERNAL) &&
776bc36eafdSMike Gerdts         Gbl_DoExternals == FALSE)
777bc36eafdSMike Gerdts     {
778bc36eafdSMike Gerdts         return;
779bc36eafdSMike Gerdts     }
780bc36eafdSMike Gerdts 
781bc36eafdSMike Gerdts     Op->Asl.FinalAmlLength = 0;
782bc36eafdSMike Gerdts 
783bc36eafdSMike Gerdts     switch (Op->Asl.AmlOpcode)
784bc36eafdSMike Gerdts     {
785bc36eafdSMike Gerdts     case AML_RAW_DATA_BYTE:
786bc36eafdSMike Gerdts     case AML_RAW_DATA_WORD:
787bc36eafdSMike Gerdts     case AML_RAW_DATA_DWORD:
788bc36eafdSMike Gerdts     case AML_RAW_DATA_QWORD:
789bc36eafdSMike Gerdts 
790bc36eafdSMike Gerdts         CgLocalWriteAmlData (Op, &Op->Asl.Value.Integer, Op->Asl.AmlLength);
791bc36eafdSMike Gerdts         return;
792bc36eafdSMike Gerdts 
793bc36eafdSMike Gerdts 
794bc36eafdSMike Gerdts     case AML_RAW_DATA_BUFFER:
795bc36eafdSMike Gerdts 
796bc36eafdSMike Gerdts         CgLocalWriteAmlData (Op, Op->Asl.Value.Buffer, Op->Asl.AmlLength);
797bc36eafdSMike Gerdts         return;
798bc36eafdSMike Gerdts 
799bc36eafdSMike Gerdts 
800bc36eafdSMike Gerdts     case AML_RAW_DATA_CHAIN:
801bc36eafdSMike Gerdts 
802bc36eafdSMike Gerdts         Rnode = ACPI_CAST_PTR (ASL_RESOURCE_NODE, Op->Asl.Value.Buffer);
803bc36eafdSMike Gerdts         while (Rnode)
804bc36eafdSMike Gerdts         {
805bc36eafdSMike Gerdts             CgLocalWriteAmlData (Op, Rnode->Buffer, Rnode->BufferLength);
806bc36eafdSMike Gerdts             Rnode = Rnode->Next;
807bc36eafdSMike Gerdts         }
808bc36eafdSMike Gerdts         return;
809bc36eafdSMike Gerdts 
810bc36eafdSMike Gerdts     default:
811bc36eafdSMike Gerdts 
812bc36eafdSMike Gerdts         /* Internal data opcodes must all appear above */
813bc36eafdSMike Gerdts 
814bc36eafdSMike Gerdts         break;
815bc36eafdSMike Gerdts     }
816bc36eafdSMike Gerdts 
817bc36eafdSMike Gerdts     switch (Op->Asl.ParseOpcode)
818bc36eafdSMike Gerdts     {
819bc36eafdSMike Gerdts     case PARSEOP_DEFAULT_ARG:
820bc36eafdSMike Gerdts 
821bc36eafdSMike Gerdts         break;
822bc36eafdSMike Gerdts 
823bc36eafdSMike Gerdts     case PARSEOP_DEFINITION_BLOCK:
824bc36eafdSMike Gerdts 
825bc36eafdSMike Gerdts         CgWriteTableHeader (Op);
826*35786f68SRobert Mustacchi         if (AcpiGbl_CaptureComments)
827*35786f68SRobert Mustacchi         {
828*35786f68SRobert Mustacchi             CgWriteAmlDefBlockComment (Op);
829*35786f68SRobert Mustacchi         }
830bc36eafdSMike Gerdts         break;
831bc36eafdSMike Gerdts 
832bc36eafdSMike Gerdts     case PARSEOP_NAMESEG:
833bc36eafdSMike Gerdts     case PARSEOP_NAMESTRING:
834bc36eafdSMike Gerdts     case PARSEOP_METHODCALL:
835bc36eafdSMike Gerdts 
836bc36eafdSMike Gerdts         CgLocalWriteAmlData (Op, Op->Asl.Value.String, Op->Asl.AmlLength);
837bc36eafdSMike Gerdts         break;
838bc36eafdSMike Gerdts 
839bc36eafdSMike Gerdts     default:
840bc36eafdSMike Gerdts 
841bc36eafdSMike Gerdts         CgWriteAmlOpcode (Op);
842bc36eafdSMike Gerdts         break;
843bc36eafdSMike Gerdts     }
844bc36eafdSMike Gerdts }
845