1*35786f68SRobert Mustacchi /******************************************************************************
2*35786f68SRobert Mustacchi *
3*35786f68SRobert Mustacchi * Module Name: aslparseop - Parse op create/allocate/cache interfaces
4*35786f68SRobert Mustacchi *
5*35786f68SRobert Mustacchi *****************************************************************************/
6*35786f68SRobert Mustacchi
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.
12*35786f68SRobert Mustacchi * All rights reserved.
13*35786f68SRobert Mustacchi *
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 *
119*35786f68SRobert Mustacchi * Redistribution and use in source and binary forms, with or without
120*35786f68SRobert Mustacchi * modification, are permitted provided that the following conditions
121*35786f68SRobert Mustacchi * are met:
122*35786f68SRobert Mustacchi * 1. Redistributions of source code must retain the above copyright
123*35786f68SRobert Mustacchi * notice, this list of conditions, and the following disclaimer,
124*35786f68SRobert Mustacchi * without modification.
125*35786f68SRobert Mustacchi * 2. Redistributions in binary form must reproduce at minimum a disclaimer
126*35786f68SRobert Mustacchi * substantially similar to the "NO WARRANTY" disclaimer below
127*35786f68SRobert Mustacchi * ("Disclaimer") and any redistribution must be conditioned upon
128*35786f68SRobert Mustacchi * including a substantially similar Disclaimer requirement for further
129*35786f68SRobert Mustacchi * binary redistribution.
130*35786f68SRobert Mustacchi * 3. Neither the names of the above-listed copyright holders nor the names
131*35786f68SRobert Mustacchi * of any contributors may be used to endorse or promote products derived
132*35786f68SRobert Mustacchi * from this software without specific prior written permission.
133*35786f68SRobert Mustacchi *
134*35786f68SRobert Mustacchi * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
135*35786f68SRobert Mustacchi * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
136*35786f68SRobert Mustacchi * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
137*35786f68SRobert Mustacchi * 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 *****************************************************************************/
151*35786f68SRobert Mustacchi
152*35786f68SRobert Mustacchi #include "aslcompiler.h"
153*35786f68SRobert Mustacchi #include "aslcompiler.y.h"
154*35786f68SRobert Mustacchi #include "acapps.h"
155*35786f68SRobert Mustacchi #include "acconvert.h"
156*35786f68SRobert Mustacchi
157*35786f68SRobert Mustacchi #define _COMPONENT ACPI_COMPILER
158*35786f68SRobert Mustacchi ACPI_MODULE_NAME ("aslparseop")
159*35786f68SRobert Mustacchi
160*35786f68SRobert Mustacchi
161*35786f68SRobert Mustacchi /*******************************************************************************
162*35786f68SRobert Mustacchi *
163*35786f68SRobert Mustacchi * FUNCTION: TrCreateOp
164*35786f68SRobert Mustacchi *
165*35786f68SRobert Mustacchi * PARAMETERS: ParseOpcode - Opcode to be assigned to the op
166*35786f68SRobert Mustacchi * NumChildren - Number of children to follow
167*35786f68SRobert Mustacchi * ... - A list of child ops to link to the new
168*35786f68SRobert Mustacchi * op. NumChildren long.
169*35786f68SRobert Mustacchi *
170*35786f68SRobert Mustacchi * RETURN: Pointer to the new op. Aborts on allocation failure
171*35786f68SRobert Mustacchi *
172*35786f68SRobert Mustacchi * DESCRIPTION: Create a new parse op and link together a list of child
173*35786f68SRobert Mustacchi * ops underneath the new op.
174*35786f68SRobert Mustacchi *
175*35786f68SRobert Mustacchi ******************************************************************************/
176*35786f68SRobert Mustacchi
177*35786f68SRobert Mustacchi ACPI_PARSE_OBJECT *
TrCreateOp(UINT32 ParseOpcode,UINT32 NumChildren,...)178*35786f68SRobert Mustacchi TrCreateOp (
179*35786f68SRobert Mustacchi UINT32 ParseOpcode,
180*35786f68SRobert Mustacchi UINT32 NumChildren,
181*35786f68SRobert Mustacchi ...)
182*35786f68SRobert Mustacchi {
183*35786f68SRobert Mustacchi ACPI_PARSE_OBJECT *Op;
184*35786f68SRobert Mustacchi ACPI_PARSE_OBJECT *Child;
185*35786f68SRobert Mustacchi ACPI_PARSE_OBJECT *PrevChild;
186*35786f68SRobert Mustacchi va_list ap;
187*35786f68SRobert Mustacchi UINT32 i;
188*35786f68SRobert Mustacchi BOOLEAN FirstChild;
189*35786f68SRobert Mustacchi
190*35786f68SRobert Mustacchi
191*35786f68SRobert Mustacchi va_start (ap, NumChildren);
192*35786f68SRobert Mustacchi
193*35786f68SRobert Mustacchi /* Allocate one new op */
194*35786f68SRobert Mustacchi
195*35786f68SRobert Mustacchi Op = TrAllocateOp (ParseOpcode);
196*35786f68SRobert Mustacchi
197*35786f68SRobert Mustacchi DbgPrint (ASL_PARSE_OUTPUT,
198*35786f68SRobert Mustacchi "\nCreateOp Ln/Col %u/%u NewParent %p Child %u Op %s ",
199*35786f68SRobert Mustacchi Op->Asl.LineNumber, Op->Asl.Column, Op,
200*35786f68SRobert Mustacchi NumChildren, UtGetOpName(ParseOpcode));
201*35786f68SRobert Mustacchi
202*35786f68SRobert Mustacchi /* Some extra debug output based on the parse opcode */
203*35786f68SRobert Mustacchi
204*35786f68SRobert Mustacchi switch (ParseOpcode)
205*35786f68SRobert Mustacchi {
206*35786f68SRobert Mustacchi case PARSEOP_ASL_CODE:
207*35786f68SRobert Mustacchi
208*35786f68SRobert Mustacchi Gbl_ParseTreeRoot = Op;
209*35786f68SRobert Mustacchi Op->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
210*35786f68SRobert Mustacchi DbgPrint (ASL_PARSE_OUTPUT, "ASLCODE (Tree Completed)->");
211*35786f68SRobert Mustacchi break;
212*35786f68SRobert Mustacchi
213*35786f68SRobert Mustacchi case PARSEOP_DEFINITION_BLOCK:
214*35786f68SRobert Mustacchi
215*35786f68SRobert Mustacchi DbgPrint (ASL_PARSE_OUTPUT, "DEFINITION_BLOCK (Tree Completed)->");
216*35786f68SRobert Mustacchi break;
217*35786f68SRobert Mustacchi
218*35786f68SRobert Mustacchi case PARSEOP_OPERATIONREGION:
219*35786f68SRobert Mustacchi
220*35786f68SRobert Mustacchi DbgPrint (ASL_PARSE_OUTPUT, "OPREGION->");
221*35786f68SRobert Mustacchi break;
222*35786f68SRobert Mustacchi
223*35786f68SRobert Mustacchi case PARSEOP_OR:
224*35786f68SRobert Mustacchi
225*35786f68SRobert Mustacchi DbgPrint (ASL_PARSE_OUTPUT, "OR->");
226*35786f68SRobert Mustacchi break;
227*35786f68SRobert Mustacchi
228*35786f68SRobert Mustacchi default:
229*35786f68SRobert Mustacchi
230*35786f68SRobert Mustacchi /* Nothing to do for other opcodes */
231*35786f68SRobert Mustacchi
232*35786f68SRobert Mustacchi break;
233*35786f68SRobert Mustacchi }
234*35786f68SRobert Mustacchi
235*35786f68SRobert Mustacchi /* Link the new op to its children */
236*35786f68SRobert Mustacchi
237*35786f68SRobert Mustacchi PrevChild = NULL;
238*35786f68SRobert Mustacchi FirstChild = TRUE;
239*35786f68SRobert Mustacchi for (i = 0; i < NumChildren; i++)
240*35786f68SRobert Mustacchi {
241*35786f68SRobert Mustacchi /* Get the next child */
242*35786f68SRobert Mustacchi
243*35786f68SRobert Mustacchi Child = va_arg (ap, ACPI_PARSE_OBJECT *);
244*35786f68SRobert Mustacchi DbgPrint (ASL_PARSE_OUTPUT, "%p, ", Child);
245*35786f68SRobert Mustacchi
246*35786f68SRobert Mustacchi /*
247*35786f68SRobert Mustacchi * If child is NULL, this means that an optional argument
248*35786f68SRobert Mustacchi * was omitted. We must create a placeholder with a special
249*35786f68SRobert Mustacchi * opcode (DEFAULT_ARG) so that the code generator will know
250*35786f68SRobert Mustacchi * that it must emit the correct default for this argument
251*35786f68SRobert Mustacchi */
252*35786f68SRobert Mustacchi if (!Child)
253*35786f68SRobert Mustacchi {
254*35786f68SRobert Mustacchi Child = TrAllocateOp (PARSEOP_DEFAULT_ARG);
255*35786f68SRobert Mustacchi }
256*35786f68SRobert Mustacchi
257*35786f68SRobert Mustacchi /* Link first child to parent */
258*35786f68SRobert Mustacchi
259*35786f68SRobert Mustacchi if (FirstChild)
260*35786f68SRobert Mustacchi {
261*35786f68SRobert Mustacchi FirstChild = FALSE;
262*35786f68SRobert Mustacchi Op->Asl.Child = Child;
263*35786f68SRobert Mustacchi
264*35786f68SRobert Mustacchi /*
265*35786f68SRobert Mustacchi * For the ASL-/ASL+ converter: if the ParseOp is a Connection,
266*35786f68SRobert Mustacchi * External, Offset or AccessAs, it means that the comments in the
267*35786f68SRobert Mustacchi * FirstChild belongs to their parent due to the parsing order in
268*35786f68SRobert Mustacchi * the .y files. To correct this, take the comments in the
269*35786f68SRobert Mustacchi * FirstChild place it in the parent. This also means that
270*35786f68SRobert Mustacchi * legitimate comments for the child gets put to the parent.
271*35786f68SRobert Mustacchi */
272*35786f68SRobert Mustacchi if (AcpiGbl_CaptureComments &&
273*35786f68SRobert Mustacchi ((ParseOpcode == PARSEOP_CONNECTION) ||
274*35786f68SRobert Mustacchi (ParseOpcode == PARSEOP_EXTERNAL) ||
275*35786f68SRobert Mustacchi (ParseOpcode == PARSEOP_OFFSET) ||
276*35786f68SRobert Mustacchi (ParseOpcode == PARSEOP_ACCESSAS)))
277*35786f68SRobert Mustacchi {
278*35786f68SRobert Mustacchi Op->Asl.CommentList = Child->Asl.CommentList;
279*35786f68SRobert Mustacchi Op->Asl.EndBlkComment = Child->Asl.EndBlkComment;
280*35786f68SRobert Mustacchi Op->Asl.InlineComment = Child->Asl.InlineComment;
281*35786f68SRobert Mustacchi Op->Asl.FileChanged = Child->Asl.FileChanged;
282*35786f68SRobert Mustacchi
283*35786f68SRobert Mustacchi Child->Asl.CommentList = NULL;
284*35786f68SRobert Mustacchi Child->Asl.EndBlkComment = NULL;
285*35786f68SRobert Mustacchi Child->Asl.InlineComment = NULL;
286*35786f68SRobert Mustacchi Child->Asl.FileChanged = FALSE;
287*35786f68SRobert Mustacchi
288*35786f68SRobert Mustacchi /*
289*35786f68SRobert Mustacchi * These do not need to be "passed off". They can be copied
290*35786f68SRobert Mustacchi * because the code for these opcodes should be printed in the
291*35786f68SRobert Mustacchi * same file.
292*35786f68SRobert Mustacchi */
293*35786f68SRobert Mustacchi Op->Asl.Filename = Child->Asl.Filename;
294*35786f68SRobert Mustacchi Op->Asl.ParentFilename = Child->Asl.ParentFilename;
295*35786f68SRobert Mustacchi }
296*35786f68SRobert Mustacchi }
297*35786f68SRobert Mustacchi
298*35786f68SRobert Mustacchi /* Point all children to parent */
299*35786f68SRobert Mustacchi
300*35786f68SRobert Mustacchi Child->Asl.Parent = Op;
301*35786f68SRobert Mustacchi
302*35786f68SRobert Mustacchi /* Link children in a peer list */
303*35786f68SRobert Mustacchi
304*35786f68SRobert Mustacchi if (PrevChild)
305*35786f68SRobert Mustacchi {
306*35786f68SRobert Mustacchi PrevChild->Asl.Next = Child;
307*35786f68SRobert Mustacchi };
308*35786f68SRobert Mustacchi
309*35786f68SRobert Mustacchi /* Get the comment from last child in the resource template call */
310*35786f68SRobert Mustacchi
311*35786f68SRobert Mustacchi if (AcpiGbl_CaptureComments &&
312*35786f68SRobert Mustacchi (Op->Asl.ParseOpcode == PARSEOP_RESOURCETEMPLATE))
313*35786f68SRobert Mustacchi {
314*35786f68SRobert Mustacchi CvDbgPrint ("Transferred current comment list to this op.\n");
315*35786f68SRobert Mustacchi Op->Asl.CommentList = Child->Asl.CommentList;
316*35786f68SRobert Mustacchi Child->Asl.CommentList = NULL;
317*35786f68SRobert Mustacchi
318*35786f68SRobert Mustacchi Op->Asl.InlineComment = Child->Asl.InlineComment;
319*35786f68SRobert Mustacchi Child->Asl.InlineComment = NULL;
320*35786f68SRobert Mustacchi }
321*35786f68SRobert Mustacchi
322*35786f68SRobert Mustacchi /*
323*35786f68SRobert Mustacchi * This child might be a list, point all ops in the list
324*35786f68SRobert Mustacchi * to the same parent
325*35786f68SRobert Mustacchi */
326*35786f68SRobert Mustacchi while (Child->Asl.Next)
327*35786f68SRobert Mustacchi {
328*35786f68SRobert Mustacchi Child = Child->Asl.Next;
329*35786f68SRobert Mustacchi Child->Asl.Parent = Op;
330*35786f68SRobert Mustacchi }
331*35786f68SRobert Mustacchi
332*35786f68SRobert Mustacchi PrevChild = Child;
333*35786f68SRobert Mustacchi }
334*35786f68SRobert Mustacchi
335*35786f68SRobert Mustacchi va_end(ap);
336*35786f68SRobert Mustacchi DbgPrint (ASL_PARSE_OUTPUT, "\n");
337*35786f68SRobert Mustacchi return (Op);
338*35786f68SRobert Mustacchi }
339*35786f68SRobert Mustacchi
340*35786f68SRobert Mustacchi
341*35786f68SRobert Mustacchi /*******************************************************************************
342*35786f68SRobert Mustacchi *
343*35786f68SRobert Mustacchi * FUNCTION: TrCreateLeafOp
344*35786f68SRobert Mustacchi *
345*35786f68SRobert Mustacchi * PARAMETERS: ParseOpcode - New opcode to be assigned to the op
346*35786f68SRobert Mustacchi *
347*35786f68SRobert Mustacchi * RETURN: Pointer to the new op. Aborts on allocation failure
348*35786f68SRobert Mustacchi *
349*35786f68SRobert Mustacchi * DESCRIPTION: Create a simple leaf op (no children or peers, and no value
350*35786f68SRobert Mustacchi * assigned to the op)
351*35786f68SRobert Mustacchi *
352*35786f68SRobert Mustacchi ******************************************************************************/
353*35786f68SRobert Mustacchi
354*35786f68SRobert Mustacchi ACPI_PARSE_OBJECT *
TrCreateLeafOp(UINT32 ParseOpcode)355*35786f68SRobert Mustacchi TrCreateLeafOp (
356*35786f68SRobert Mustacchi UINT32 ParseOpcode)
357*35786f68SRobert Mustacchi {
358*35786f68SRobert Mustacchi ACPI_PARSE_OBJECT *Op;
359*35786f68SRobert Mustacchi
360*35786f68SRobert Mustacchi
361*35786f68SRobert Mustacchi Op = TrAllocateOp (ParseOpcode);
362*35786f68SRobert Mustacchi
363*35786f68SRobert Mustacchi DbgPrint (ASL_PARSE_OUTPUT,
364*35786f68SRobert Mustacchi "\nCreateLeafOp Ln/Col %u/%u NewOp %p Op %s\n\n",
365*35786f68SRobert Mustacchi Op->Asl.LineNumber, Op->Asl.Column, Op, UtGetOpName (ParseOpcode));
366*35786f68SRobert Mustacchi
367*35786f68SRobert Mustacchi return (Op);
368*35786f68SRobert Mustacchi }
369*35786f68SRobert Mustacchi
370*35786f68SRobert Mustacchi
371*35786f68SRobert Mustacchi /*******************************************************************************
372*35786f68SRobert Mustacchi *
373*35786f68SRobert Mustacchi * FUNCTION: TrCreateValuedLeafOp
374*35786f68SRobert Mustacchi *
375*35786f68SRobert Mustacchi * PARAMETERS: ParseOpcode - New opcode to be assigned to the op
376*35786f68SRobert Mustacchi * Value - Value to be assigned to the op
377*35786f68SRobert Mustacchi *
378*35786f68SRobert Mustacchi * RETURN: Pointer to the new op. Aborts on allocation failure
379*35786f68SRobert Mustacchi *
380*35786f68SRobert Mustacchi * DESCRIPTION: Create a leaf op (no children or peers) with a value
381*35786f68SRobert Mustacchi * assigned to it
382*35786f68SRobert Mustacchi *
383*35786f68SRobert Mustacchi ******************************************************************************/
384*35786f68SRobert Mustacchi
385*35786f68SRobert Mustacchi ACPI_PARSE_OBJECT *
TrCreateValuedLeafOp(UINT32 ParseOpcode,UINT64 Value)386*35786f68SRobert Mustacchi TrCreateValuedLeafOp (
387*35786f68SRobert Mustacchi UINT32 ParseOpcode,
388*35786f68SRobert Mustacchi UINT64 Value)
389*35786f68SRobert Mustacchi {
390*35786f68SRobert Mustacchi ACPI_PARSE_OBJECT *Op;
391*35786f68SRobert Mustacchi
392*35786f68SRobert Mustacchi
393*35786f68SRobert Mustacchi Op = TrAllocateOp (ParseOpcode);
394*35786f68SRobert Mustacchi Op->Asl.Value.Integer = Value;
395*35786f68SRobert Mustacchi
396*35786f68SRobert Mustacchi DbgPrint (ASL_PARSE_OUTPUT,
397*35786f68SRobert Mustacchi "\nCreateValuedLeafOp Ln/Col %u/%u NewOp %p "
398*35786f68SRobert Mustacchi "Op %s Value %8.8X%8.8X ",
399*35786f68SRobert Mustacchi Op->Asl.LineNumber, Op->Asl.Column, Op, UtGetOpName(ParseOpcode),
400*35786f68SRobert Mustacchi ACPI_FORMAT_UINT64 (Value));
401*35786f68SRobert Mustacchi
402*35786f68SRobert Mustacchi switch (ParseOpcode)
403*35786f68SRobert Mustacchi {
404*35786f68SRobert Mustacchi case PARSEOP_STRING_LITERAL:
405*35786f68SRobert Mustacchi
406*35786f68SRobert Mustacchi DbgPrint (ASL_PARSE_OUTPUT, "STRING->%s", Value);
407*35786f68SRobert Mustacchi break;
408*35786f68SRobert Mustacchi
409*35786f68SRobert Mustacchi case PARSEOP_NAMESEG:
410*35786f68SRobert Mustacchi
411*35786f68SRobert Mustacchi DbgPrint (ASL_PARSE_OUTPUT, "NAMESEG->%s", Value);
412*35786f68SRobert Mustacchi break;
413*35786f68SRobert Mustacchi
414*35786f68SRobert Mustacchi case PARSEOP_NAMESTRING:
415*35786f68SRobert Mustacchi
416*35786f68SRobert Mustacchi DbgPrint (ASL_PARSE_OUTPUT, "NAMESTRING->%s", Value);
417*35786f68SRobert Mustacchi break;
418*35786f68SRobert Mustacchi
419*35786f68SRobert Mustacchi case PARSEOP_EISAID:
420*35786f68SRobert Mustacchi
421*35786f68SRobert Mustacchi DbgPrint (ASL_PARSE_OUTPUT, "EISAID->%s", Value);
422*35786f68SRobert Mustacchi break;
423*35786f68SRobert Mustacchi
424*35786f68SRobert Mustacchi case PARSEOP_METHOD:
425*35786f68SRobert Mustacchi
426*35786f68SRobert Mustacchi DbgPrint (ASL_PARSE_OUTPUT, "METHOD");
427*35786f68SRobert Mustacchi break;
428*35786f68SRobert Mustacchi
429*35786f68SRobert Mustacchi case PARSEOP_INTEGER:
430*35786f68SRobert Mustacchi
431*35786f68SRobert Mustacchi DbgPrint (ASL_PARSE_OUTPUT, "INTEGER->%8.8X%8.8X",
432*35786f68SRobert Mustacchi ACPI_FORMAT_UINT64 (Value));
433*35786f68SRobert Mustacchi break;
434*35786f68SRobert Mustacchi
435*35786f68SRobert Mustacchi default:
436*35786f68SRobert Mustacchi break;
437*35786f68SRobert Mustacchi }
438*35786f68SRobert Mustacchi
439*35786f68SRobert Mustacchi DbgPrint (ASL_PARSE_OUTPUT, "\n\n");
440*35786f68SRobert Mustacchi return (Op);
441*35786f68SRobert Mustacchi }
442*35786f68SRobert Mustacchi
443*35786f68SRobert Mustacchi
444*35786f68SRobert Mustacchi /*******************************************************************************
445*35786f68SRobert Mustacchi *
446*35786f68SRobert Mustacchi * FUNCTION: TrCreateTargetOp
447*35786f68SRobert Mustacchi *
448*35786f68SRobert Mustacchi * PARAMETERS: OriginalOp - Op to be copied
449*35786f68SRobert Mustacchi *
450*35786f68SRobert Mustacchi * RETURN: Pointer to the new op. Aborts on allocation failure
451*35786f68SRobert Mustacchi *
452*35786f68SRobert Mustacchi * DESCRIPTION: Copy an existing op (and subtree). Used in ASL+ (C-style)
453*35786f68SRobert Mustacchi * expressions where the target is the same as one of the
454*35786f68SRobert Mustacchi * operands. A new op and subtree must be created from the
455*35786f68SRobert Mustacchi * original so that the parse tree can be linked properly.
456*35786f68SRobert Mustacchi *
457*35786f68SRobert Mustacchi * NOTE: This code is specific to target operands that are the last
458*35786f68SRobert Mustacchi * operand in an ASL/AML operator. Meaning that the top-level
459*35786f68SRobert Mustacchi * parse Op in a possible subtree has a NULL Next pointer.
460*35786f68SRobert Mustacchi * This simplifies the recursion.
461*35786f68SRobert Mustacchi *
462*35786f68SRobert Mustacchi * Subtree example:
463*35786f68SRobert Mustacchi * DeRefOf (Local1) += 32
464*35786f68SRobert Mustacchi *
465*35786f68SRobert Mustacchi * This gets converted to:
466*35786f68SRobert Mustacchi * Add (DeRefOf (Local1), 32, DeRefOf (Local1))
467*35786f68SRobert Mustacchi *
468*35786f68SRobert Mustacchi * Each DeRefOf has a single child, Local1. Even more complex
469*35786f68SRobert Mustacchi * subtrees can be created via the Index and DeRefOf operators.
470*35786f68SRobert Mustacchi *
471*35786f68SRobert Mustacchi ******************************************************************************/
472*35786f68SRobert Mustacchi
473*35786f68SRobert Mustacchi ACPI_PARSE_OBJECT *
TrCreateTargetOp(ACPI_PARSE_OBJECT * OriginalOp,ACPI_PARSE_OBJECT * ParentOp)474*35786f68SRobert Mustacchi TrCreateTargetOp (
475*35786f68SRobert Mustacchi ACPI_PARSE_OBJECT *OriginalOp,
476*35786f68SRobert Mustacchi ACPI_PARSE_OBJECT *ParentOp)
477*35786f68SRobert Mustacchi {
478*35786f68SRobert Mustacchi ACPI_PARSE_OBJECT *Op;
479*35786f68SRobert Mustacchi
480*35786f68SRobert Mustacchi
481*35786f68SRobert Mustacchi if (!OriginalOp)
482*35786f68SRobert Mustacchi {
483*35786f68SRobert Mustacchi return (NULL);
484*35786f68SRobert Mustacchi }
485*35786f68SRobert Mustacchi
486*35786f68SRobert Mustacchi Op = UtParseOpCacheCalloc ();
487*35786f68SRobert Mustacchi
488*35786f68SRobert Mustacchi /* Copy the pertinent values (omit link pointer fields) */
489*35786f68SRobert Mustacchi
490*35786f68SRobert Mustacchi Op->Asl.Value = OriginalOp->Asl.Value;
491*35786f68SRobert Mustacchi Op->Asl.Filename = OriginalOp->Asl.Filename;
492*35786f68SRobert Mustacchi Op->Asl.LineNumber = OriginalOp->Asl.LineNumber;
493*35786f68SRobert Mustacchi Op->Asl.LogicalLineNumber = OriginalOp->Asl.LogicalLineNumber;
494*35786f68SRobert Mustacchi Op->Asl.LogicalByteOffset = OriginalOp->Asl.LogicalByteOffset;
495*35786f68SRobert Mustacchi Op->Asl.Column = OriginalOp->Asl.Column;
496*35786f68SRobert Mustacchi Op->Asl.Flags = OriginalOp->Asl.Flags;
497*35786f68SRobert Mustacchi Op->Asl.CompileFlags = OriginalOp->Asl.CompileFlags;
498*35786f68SRobert Mustacchi Op->Asl.AmlOpcode = OriginalOp->Asl.AmlOpcode;
499*35786f68SRobert Mustacchi Op->Asl.ParseOpcode = OriginalOp->Asl.ParseOpcode;
500*35786f68SRobert Mustacchi Op->Asl.Parent = ParentOp;
501*35786f68SRobert Mustacchi
502*35786f68SRobert Mustacchi UtSetParseOpName (Op);
503*35786f68SRobert Mustacchi
504*35786f68SRobert Mustacchi /* Copy a possible subtree below this op */
505*35786f68SRobert Mustacchi
506*35786f68SRobert Mustacchi if (OriginalOp->Asl.Child)
507*35786f68SRobert Mustacchi {
508*35786f68SRobert Mustacchi Op->Asl.Child = TrCreateTargetOp (OriginalOp->Asl.Child, Op);
509*35786f68SRobert Mustacchi }
510*35786f68SRobert Mustacchi
511*35786f68SRobert Mustacchi if (OriginalOp->Asl.Next) /* Null for top-level op */
512*35786f68SRobert Mustacchi {
513*35786f68SRobert Mustacchi Op->Asl.Next = TrCreateTargetOp (OriginalOp->Asl.Next, ParentOp);
514*35786f68SRobert Mustacchi }
515*35786f68SRobert Mustacchi
516*35786f68SRobert Mustacchi return (Op);
517*35786f68SRobert Mustacchi }
518*35786f68SRobert Mustacchi
519*35786f68SRobert Mustacchi
520*35786f68SRobert Mustacchi /*******************************************************************************
521*35786f68SRobert Mustacchi *
522*35786f68SRobert Mustacchi * FUNCTION: TrCreateAssignmentOp
523*35786f68SRobert Mustacchi *
524*35786f68SRobert Mustacchi * PARAMETERS: Target - Assignment target
525*35786f68SRobert Mustacchi * Source - Assignment source
526*35786f68SRobert Mustacchi *
527*35786f68SRobert Mustacchi * RETURN: Pointer to the new op. Aborts on allocation failure
528*35786f68SRobert Mustacchi *
529*35786f68SRobert Mustacchi * DESCRIPTION: Implements the C-style '=' operator. It changes the parse
530*35786f68SRobert Mustacchi * tree if possible to utilize the last argument of the math
531*35786f68SRobert Mustacchi * operators which is a target operand -- thus saving invocation
532*35786f68SRobert Mustacchi * of and additional Store() operator. An optimization.
533*35786f68SRobert Mustacchi *
534*35786f68SRobert Mustacchi ******************************************************************************/
535*35786f68SRobert Mustacchi
536*35786f68SRobert Mustacchi ACPI_PARSE_OBJECT *
TrCreateAssignmentOp(ACPI_PARSE_OBJECT * Target,ACPI_PARSE_OBJECT * Source)537*35786f68SRobert Mustacchi TrCreateAssignmentOp (
538*35786f68SRobert Mustacchi ACPI_PARSE_OBJECT *Target,
539*35786f68SRobert Mustacchi ACPI_PARSE_OBJECT *Source)
540*35786f68SRobert Mustacchi {
541*35786f68SRobert Mustacchi ACPI_PARSE_OBJECT *TargetOp;
542*35786f68SRobert Mustacchi ACPI_PARSE_OBJECT *SourceOp1;
543*35786f68SRobert Mustacchi ACPI_PARSE_OBJECT *SourceOp2;
544*35786f68SRobert Mustacchi ACPI_PARSE_OBJECT *Operator;
545*35786f68SRobert Mustacchi
546*35786f68SRobert Mustacchi
547*35786f68SRobert Mustacchi DbgPrint (ASL_PARSE_OUTPUT,
548*35786f68SRobert Mustacchi "\nTrCreateAssignmentOp Line [%u to %u] Source %s Target %s\n",
549*35786f68SRobert Mustacchi Source->Asl.LineNumber, Source->Asl.EndLine,
550*35786f68SRobert Mustacchi UtGetOpName (Source->Asl.ParseOpcode),
551*35786f68SRobert Mustacchi UtGetOpName (Target->Asl.ParseOpcode));
552*35786f68SRobert Mustacchi
553*35786f68SRobert Mustacchi TrSetOpFlags (Target, OP_IS_TARGET);
554*35786f68SRobert Mustacchi
555*35786f68SRobert Mustacchi switch (Source->Asl.ParseOpcode)
556*35786f68SRobert Mustacchi {
557*35786f68SRobert Mustacchi /*
558*35786f68SRobert Mustacchi * Only these operators can be optimized because they have
559*35786f68SRobert Mustacchi * a target operand
560*35786f68SRobert Mustacchi */
561*35786f68SRobert Mustacchi case PARSEOP_ADD:
562*35786f68SRobert Mustacchi case PARSEOP_AND:
563*35786f68SRobert Mustacchi case PARSEOP_DIVIDE:
564*35786f68SRobert Mustacchi case PARSEOP_INDEX:
565*35786f68SRobert Mustacchi case PARSEOP_MOD:
566*35786f68SRobert Mustacchi case PARSEOP_MULTIPLY:
567*35786f68SRobert Mustacchi case PARSEOP_NOT:
568*35786f68SRobert Mustacchi case PARSEOP_OR:
569*35786f68SRobert Mustacchi case PARSEOP_SHIFTLEFT:
570*35786f68SRobert Mustacchi case PARSEOP_SHIFTRIGHT:
571*35786f68SRobert Mustacchi case PARSEOP_SUBTRACT:
572*35786f68SRobert Mustacchi case PARSEOP_XOR:
573*35786f68SRobert Mustacchi
574*35786f68SRobert Mustacchi break;
575*35786f68SRobert Mustacchi
576*35786f68SRobert Mustacchi /* Otherwise, just create a normal Store operator */
577*35786f68SRobert Mustacchi
578*35786f68SRobert Mustacchi default:
579*35786f68SRobert Mustacchi goto CannotOptimize;
580*35786f68SRobert Mustacchi }
581*35786f68SRobert Mustacchi
582*35786f68SRobert Mustacchi /*
583*35786f68SRobert Mustacchi * Transform the parse tree such that the target is moved to the
584*35786f68SRobert Mustacchi * last operand of the operator
585*35786f68SRobert Mustacchi */
586*35786f68SRobert Mustacchi SourceOp1 = Source->Asl.Child;
587*35786f68SRobert Mustacchi SourceOp2 = SourceOp1->Asl.Next;
588*35786f68SRobert Mustacchi
589*35786f68SRobert Mustacchi /* NOT only has one operand, but has a target */
590*35786f68SRobert Mustacchi
591*35786f68SRobert Mustacchi if (Source->Asl.ParseOpcode == PARSEOP_NOT)
592*35786f68SRobert Mustacchi {
593*35786f68SRobert Mustacchi SourceOp2 = SourceOp1;
594*35786f68SRobert Mustacchi }
595*35786f68SRobert Mustacchi
596*35786f68SRobert Mustacchi /* DIVIDE has an extra target operand (remainder) */
597*35786f68SRobert Mustacchi
598*35786f68SRobert Mustacchi if (Source->Asl.ParseOpcode == PARSEOP_DIVIDE)
599*35786f68SRobert Mustacchi {
600*35786f68SRobert Mustacchi SourceOp2 = SourceOp2->Asl.Next;
601*35786f68SRobert Mustacchi }
602*35786f68SRobert Mustacchi
603*35786f68SRobert Mustacchi TargetOp = SourceOp2->Asl.Next;
604*35786f68SRobert Mustacchi
605*35786f68SRobert Mustacchi /*
606*35786f68SRobert Mustacchi * Can't perform this optimization if there already is a target
607*35786f68SRobert Mustacchi * for the operator (ZERO is a "no target" placeholder).
608*35786f68SRobert Mustacchi */
609*35786f68SRobert Mustacchi if (TargetOp->Asl.ParseOpcode != PARSEOP_ZERO)
610*35786f68SRobert Mustacchi {
611*35786f68SRobert Mustacchi goto CannotOptimize;
612*35786f68SRobert Mustacchi }
613*35786f68SRobert Mustacchi
614*35786f68SRobert Mustacchi /* Link in the target as the final operand */
615*35786f68SRobert Mustacchi
616*35786f68SRobert Mustacchi SourceOp2->Asl.Next = Target;
617*35786f68SRobert Mustacchi Target->Asl.Parent = Source;
618*35786f68SRobert Mustacchi return (Source);
619*35786f68SRobert Mustacchi
620*35786f68SRobert Mustacchi
621*35786f68SRobert Mustacchi CannotOptimize:
622*35786f68SRobert Mustacchi
623*35786f68SRobert Mustacchi Operator = TrAllocateOp (PARSEOP_STORE);
624*35786f68SRobert Mustacchi TrLinkOpChildren (Operator, 2, Source, Target);
625*35786f68SRobert Mustacchi
626*35786f68SRobert Mustacchi /* Set the appropriate line numbers for the new op */
627*35786f68SRobert Mustacchi
628*35786f68SRobert Mustacchi Operator->Asl.LineNumber = Target->Asl.LineNumber;
629*35786f68SRobert Mustacchi Operator->Asl.LogicalLineNumber = Target->Asl.LogicalLineNumber;
630*35786f68SRobert Mustacchi Operator->Asl.LogicalByteOffset = Target->Asl.LogicalByteOffset;
631*35786f68SRobert Mustacchi Operator->Asl.Column = Target->Asl.Column;
632*35786f68SRobert Mustacchi
633*35786f68SRobert Mustacchi return (Operator);
634*35786f68SRobert Mustacchi }
635*35786f68SRobert Mustacchi
636*35786f68SRobert Mustacchi
637*35786f68SRobert Mustacchi /*******************************************************************************
638*35786f68SRobert Mustacchi *
639*35786f68SRobert Mustacchi * FUNCTION: TrCreateNullTargetOp
640*35786f68SRobert Mustacchi *
641*35786f68SRobert Mustacchi * PARAMETERS: None
642*35786f68SRobert Mustacchi *
643*35786f68SRobert Mustacchi * RETURN: Pointer to the new op. Aborts on allocation failure
644*35786f68SRobert Mustacchi *
645*35786f68SRobert Mustacchi * DESCRIPTION: Create a "null" target op. This is defined by the ACPI
646*35786f68SRobert Mustacchi * specification to be a zero AML opcode, and indicates that
647*35786f68SRobert Mustacchi * no target has been specified for the parent operation
648*35786f68SRobert Mustacchi *
649*35786f68SRobert Mustacchi ******************************************************************************/
650*35786f68SRobert Mustacchi
651*35786f68SRobert Mustacchi ACPI_PARSE_OBJECT *
TrCreateNullTargetOp(void)652*35786f68SRobert Mustacchi TrCreateNullTargetOp (
653*35786f68SRobert Mustacchi void)
654*35786f68SRobert Mustacchi {
655*35786f68SRobert Mustacchi ACPI_PARSE_OBJECT *Op;
656*35786f68SRobert Mustacchi
657*35786f68SRobert Mustacchi
658*35786f68SRobert Mustacchi Op = TrAllocateOp (PARSEOP_ZERO);
659*35786f68SRobert Mustacchi Op->Asl.CompileFlags |= (OP_IS_TARGET | OP_COMPILE_TIME_CONST);
660*35786f68SRobert Mustacchi
661*35786f68SRobert Mustacchi DbgPrint (ASL_PARSE_OUTPUT,
662*35786f68SRobert Mustacchi "\nCreateNullTargetOp Ln/Col %u/%u NewOp %p Op %s\n",
663*35786f68SRobert Mustacchi Op->Asl.LineNumber, Op->Asl.Column, Op,
664*35786f68SRobert Mustacchi UtGetOpName (Op->Asl.ParseOpcode));
665*35786f68SRobert Mustacchi
666*35786f68SRobert Mustacchi return (Op);
667*35786f68SRobert Mustacchi }
668*35786f68SRobert Mustacchi
669*35786f68SRobert Mustacchi
670*35786f68SRobert Mustacchi /*******************************************************************************
671*35786f68SRobert Mustacchi *
672*35786f68SRobert Mustacchi * FUNCTION: TrCreateConstantLeafOp
673*35786f68SRobert Mustacchi *
674*35786f68SRobert Mustacchi * PARAMETERS: ParseOpcode - The constant opcode
675*35786f68SRobert Mustacchi *
676*35786f68SRobert Mustacchi * RETURN: Pointer to the new op. Aborts on allocation failure
677*35786f68SRobert Mustacchi *
678*35786f68SRobert Mustacchi * DESCRIPTION: Create a leaf op (no children or peers) for one of the
679*35786f68SRobert Mustacchi * special constants - __LINE__, __FILE__, and __DATE__.
680*35786f68SRobert Mustacchi *
681*35786f68SRobert Mustacchi * Note: The fullimplemenation of __METHOD__ cannot happen here because we
682*35786f68SRobert Mustacchi * don't have a full parse tree at this time and cannot find the parent
683*35786f68SRobert Mustacchi * control method. __METHOD__ must be implemented later, after the parse
684*35786f68SRobert Mustacchi * tree has been fully constructed.
685*35786f68SRobert Mustacchi *
686*35786f68SRobert Mustacchi ******************************************************************************/
687*35786f68SRobert Mustacchi
688*35786f68SRobert Mustacchi ACPI_PARSE_OBJECT *
TrCreateConstantLeafOp(UINT32 ParseOpcode)689*35786f68SRobert Mustacchi TrCreateConstantLeafOp (
690*35786f68SRobert Mustacchi UINT32 ParseOpcode)
691*35786f68SRobert Mustacchi {
692*35786f68SRobert Mustacchi ACPI_PARSE_OBJECT *Op = NULL;
693*35786f68SRobert Mustacchi time_t CurrentTime;
694*35786f68SRobert Mustacchi char *StaticTimeString;
695*35786f68SRobert Mustacchi char *TimeString;
696*35786f68SRobert Mustacchi char *Filename;
697*35786f68SRobert Mustacchi
698*35786f68SRobert Mustacchi
699*35786f68SRobert Mustacchi switch (ParseOpcode)
700*35786f68SRobert Mustacchi {
701*35786f68SRobert Mustacchi case PARSEOP___LINE__:
702*35786f68SRobert Mustacchi
703*35786f68SRobert Mustacchi Op = TrAllocateOp (PARSEOP_INTEGER);
704*35786f68SRobert Mustacchi Op->Asl.Value.Integer = Op->Asl.LineNumber;
705*35786f68SRobert Mustacchi break;
706*35786f68SRobert Mustacchi
707*35786f68SRobert Mustacchi case PARSEOP___METHOD__:
708*35786f68SRobert Mustacchi
709*35786f68SRobert Mustacchi /* Will become a string literal later */
710*35786f68SRobert Mustacchi
711*35786f68SRobert Mustacchi Op = TrAllocateOp (PARSEOP___METHOD__);
712*35786f68SRobert Mustacchi Op->Asl.Value.String = NULL;
713*35786f68SRobert Mustacchi break;
714*35786f68SRobert Mustacchi
715*35786f68SRobert Mustacchi case PARSEOP___PATH__:
716*35786f68SRobert Mustacchi
717*35786f68SRobert Mustacchi Op = TrAllocateOp (PARSEOP_STRING_LITERAL);
718*35786f68SRobert Mustacchi
719*35786f68SRobert Mustacchi /* Op.Asl.Filename contains the full pathname to the file */
720*35786f68SRobert Mustacchi
721*35786f68SRobert Mustacchi Op->Asl.Value.String = Op->Asl.Filename;
722*35786f68SRobert Mustacchi break;
723*35786f68SRobert Mustacchi
724*35786f68SRobert Mustacchi case PARSEOP___FILE__:
725*35786f68SRobert Mustacchi
726*35786f68SRobert Mustacchi Op = TrAllocateOp (PARSEOP_STRING_LITERAL);
727*35786f68SRobert Mustacchi
728*35786f68SRobert Mustacchi /* Get the simple filename from the full path */
729*35786f68SRobert Mustacchi
730*35786f68SRobert Mustacchi FlSplitInputPathname (Op->Asl.Filename, NULL, &Filename);
731*35786f68SRobert Mustacchi Op->Asl.Value.String = Filename;
732*35786f68SRobert Mustacchi break;
733*35786f68SRobert Mustacchi
734*35786f68SRobert Mustacchi case PARSEOP___DATE__:
735*35786f68SRobert Mustacchi
736*35786f68SRobert Mustacchi Op = TrAllocateOp (PARSEOP_STRING_LITERAL);
737*35786f68SRobert Mustacchi
738*35786f68SRobert Mustacchi /* Get a copy of the current time */
739*35786f68SRobert Mustacchi
740*35786f68SRobert Mustacchi CurrentTime = time (NULL);
741*35786f68SRobert Mustacchi StaticTimeString = ctime (&CurrentTime);
742*35786f68SRobert Mustacchi TimeString = UtLocalCalloc (strlen (StaticTimeString) + 1);
743*35786f68SRobert Mustacchi strcpy (TimeString, StaticTimeString);
744*35786f68SRobert Mustacchi
745*35786f68SRobert Mustacchi TimeString[strlen(TimeString) -1] = 0; /* Remove trailing newline */
746*35786f68SRobert Mustacchi Op->Asl.Value.String = TimeString;
747*35786f68SRobert Mustacchi break;
748*35786f68SRobert Mustacchi
749*35786f68SRobert Mustacchi default: /* This would be an internal error */
750*35786f68SRobert Mustacchi
751*35786f68SRobert Mustacchi return (NULL);
752*35786f68SRobert Mustacchi }
753*35786f68SRobert Mustacchi
754*35786f68SRobert Mustacchi DbgPrint (ASL_PARSE_OUTPUT,
755*35786f68SRobert Mustacchi "\nCreateConstantLeafOp Ln/Col %u/%u NewOp %p "
756*35786f68SRobert Mustacchi "Op %s Value %8.8X%8.8X \n",
757*35786f68SRobert Mustacchi Op->Asl.LineNumber, Op->Asl.Column, Op, UtGetOpName (ParseOpcode),
758*35786f68SRobert Mustacchi ACPI_FORMAT_UINT64 (Op->Asl.Value.Integer));
759*35786f68SRobert Mustacchi
760*35786f68SRobert Mustacchi return (Op);
761*35786f68SRobert Mustacchi }
762*35786f68SRobert Mustacchi
763*35786f68SRobert Mustacchi
764*35786f68SRobert Mustacchi /*******************************************************************************
765*35786f68SRobert Mustacchi *
766*35786f68SRobert Mustacchi * FUNCTION: TrAllocateOp
767*35786f68SRobert Mustacchi *
768*35786f68SRobert Mustacchi * PARAMETERS: ParseOpcode - Opcode to be assigned to the op
769*35786f68SRobert Mustacchi *
770*35786f68SRobert Mustacchi * RETURN: New parse op. Aborts on allocation failure
771*35786f68SRobert Mustacchi *
772*35786f68SRobert Mustacchi * DESCRIPTION: Allocate and initialize a new parse op for the parse tree
773*35786f68SRobert Mustacchi *
774*35786f68SRobert Mustacchi ******************************************************************************/
775*35786f68SRobert Mustacchi
776*35786f68SRobert Mustacchi ACPI_PARSE_OBJECT *
TrAllocateOp(UINT32 ParseOpcode)777*35786f68SRobert Mustacchi TrAllocateOp (
778*35786f68SRobert Mustacchi UINT32 ParseOpcode)
779*35786f68SRobert Mustacchi {
780*35786f68SRobert Mustacchi ACPI_PARSE_OBJECT *Op;
781*35786f68SRobert Mustacchi ACPI_PARSE_OBJECT *LatestOp;
782*35786f68SRobert Mustacchi
783*35786f68SRobert Mustacchi
784*35786f68SRobert Mustacchi Op = UtParseOpCacheCalloc ();
785*35786f68SRobert Mustacchi
786*35786f68SRobert Mustacchi Op->Asl.ParseOpcode = (UINT16) ParseOpcode;
787*35786f68SRobert Mustacchi Op->Asl.Filename = Gbl_Files[ASL_FILE_INPUT].Filename;
788*35786f68SRobert Mustacchi Op->Asl.LineNumber = Gbl_CurrentLineNumber;
789*35786f68SRobert Mustacchi Op->Asl.LogicalLineNumber = Gbl_LogicalLineNumber;
790*35786f68SRobert Mustacchi Op->Asl.LogicalByteOffset = Gbl_CurrentLineOffset;
791*35786f68SRobert Mustacchi Op->Asl.Column = Gbl_CurrentColumn;
792*35786f68SRobert Mustacchi
793*35786f68SRobert Mustacchi UtSetParseOpName (Op);
794*35786f68SRobert Mustacchi
795*35786f68SRobert Mustacchi /* The following is for capturing comments */
796*35786f68SRobert Mustacchi
797*35786f68SRobert Mustacchi if (AcpiGbl_CaptureComments)
798*35786f68SRobert Mustacchi {
799*35786f68SRobert Mustacchi LatestOp = Gbl_CommentState.LatestParseOp;
800*35786f68SRobert Mustacchi Op->Asl.InlineComment = NULL;
801*35786f68SRobert Mustacchi Op->Asl.EndNodeComment = NULL;
802*35786f68SRobert Mustacchi Op->Asl.CommentList = NULL;
803*35786f68SRobert Mustacchi Op->Asl.FileChanged = FALSE;
804*35786f68SRobert Mustacchi
805*35786f68SRobert Mustacchi /*
806*35786f68SRobert Mustacchi * Check to see if the file name has changed before resetting the
807*35786f68SRobert Mustacchi * latest parse op.
808*35786f68SRobert Mustacchi */
809*35786f68SRobert Mustacchi if (LatestOp &&
810*35786f68SRobert Mustacchi (ParseOpcode != PARSEOP_INCLUDE) &&
811*35786f68SRobert Mustacchi (ParseOpcode != PARSEOP_INCLUDE_END) &&
812*35786f68SRobert Mustacchi strcmp (LatestOp->Asl.Filename, Op->Asl.Filename))
813*35786f68SRobert Mustacchi {
814*35786f68SRobert Mustacchi CvDbgPrint ("latest op: %s\n", LatestOp->Asl.ParseOpName);
815*35786f68SRobert Mustacchi Op->Asl.FileChanged = TRUE;
816*35786f68SRobert Mustacchi if (Gbl_IncludeFileStack)
817*35786f68SRobert Mustacchi {
818*35786f68SRobert Mustacchi Op->Asl.ParentFilename = Gbl_IncludeFileStack->Filename;
819*35786f68SRobert Mustacchi }
820*35786f68SRobert Mustacchi else
821*35786f68SRobert Mustacchi {
822*35786f68SRobert Mustacchi Op->Asl.ParentFilename = NULL;
823*35786f68SRobert Mustacchi }
824*35786f68SRobert Mustacchi }
825*35786f68SRobert Mustacchi
826*35786f68SRobert Mustacchi Gbl_CommentState.LatestParseOp = Op;
827*35786f68SRobert Mustacchi CvDbgPrint ("TrAllocateOp=Set latest parse op to this op.\n");
828*35786f68SRobert Mustacchi CvDbgPrint (" Op->Asl.ParseOpName = %s\n",
829*35786f68SRobert Mustacchi Gbl_CommentState.LatestParseOp->Asl.ParseOpName);
830*35786f68SRobert Mustacchi CvDbgPrint (" Op->Asl.ParseOpcode = 0x%x\n", ParseOpcode);
831*35786f68SRobert Mustacchi
832*35786f68SRobert Mustacchi if (Op->Asl.FileChanged)
833*35786f68SRobert Mustacchi {
834*35786f68SRobert Mustacchi CvDbgPrint(" file has been changed!\n");
835*35786f68SRobert Mustacchi }
836*35786f68SRobert Mustacchi
837*35786f68SRobert Mustacchi /*
838*35786f68SRobert Mustacchi * if this parse op's syntax uses () and {} (i.e. Package(1){0x00}) then
839*35786f68SRobert Mustacchi * set a flag in the comment state. This facilitates paring comments for
840*35786f68SRobert Mustacchi * these types of opcodes.
841*35786f68SRobert Mustacchi */
842*35786f68SRobert Mustacchi if ((CvParseOpBlockType(Op) == (BLOCK_PAREN | BLOCK_BRACE)) &&
843*35786f68SRobert Mustacchi (ParseOpcode != PARSEOP_DEFINITION_BLOCK))
844*35786f68SRobert Mustacchi {
845*35786f68SRobert Mustacchi CvDbgPrint ("Parsing paren/Brace op now!\n");
846*35786f68SRobert Mustacchi Gbl_CommentState.ParsingParenBraceNode = Op;
847*35786f68SRobert Mustacchi }
848*35786f68SRobert Mustacchi
849*35786f68SRobert Mustacchi if (Gbl_CommentListHead)
850*35786f68SRobert Mustacchi {
851*35786f68SRobert Mustacchi CvDbgPrint ("Transferring...\n");
852*35786f68SRobert Mustacchi Op->Asl.CommentList = Gbl_CommentListHead;
853*35786f68SRobert Mustacchi Gbl_CommentListHead = NULL;
854*35786f68SRobert Mustacchi Gbl_CommentListTail = NULL;
855*35786f68SRobert Mustacchi CvDbgPrint (" Transferred current comment list to this op.\n");
856*35786f68SRobert Mustacchi CvDbgPrint (" %s\n", Op->Asl.CommentList->Comment);
857*35786f68SRobert Mustacchi }
858*35786f68SRobert Mustacchi
859*35786f68SRobert Mustacchi if (Gbl_InlineCommentBuffer)
860*35786f68SRobert Mustacchi {
861*35786f68SRobert Mustacchi Op->Asl.InlineComment = Gbl_InlineCommentBuffer;
862*35786f68SRobert Mustacchi Gbl_InlineCommentBuffer = NULL;
863*35786f68SRobert Mustacchi CvDbgPrint ("Transferred current inline comment list to this op.\n");
864*35786f68SRobert Mustacchi }
865*35786f68SRobert Mustacchi }
866*35786f68SRobert Mustacchi
867*35786f68SRobert Mustacchi return (Op);
868*35786f68SRobert Mustacchi }
869*35786f68SRobert Mustacchi
870*35786f68SRobert Mustacchi
871*35786f68SRobert Mustacchi /*******************************************************************************
872*35786f68SRobert Mustacchi *
873*35786f68SRobert Mustacchi * FUNCTION: TrPrintOpFlags
874*35786f68SRobert Mustacchi *
875*35786f68SRobert Mustacchi * PARAMETERS: Flags - Flags word to be decoded
876*35786f68SRobert Mustacchi * OutputLevel - Debug output level: ASL_TREE_OUTPUT etc.
877*35786f68SRobert Mustacchi *
878*35786f68SRobert Mustacchi * RETURN: None
879*35786f68SRobert Mustacchi *
880*35786f68SRobert Mustacchi * DESCRIPTION: Decode a flags word to text. Displays all flags that are set.
881*35786f68SRobert Mustacchi *
882*35786f68SRobert Mustacchi ******************************************************************************/
883*35786f68SRobert Mustacchi
884*35786f68SRobert Mustacchi void
TrPrintOpFlags(UINT32 Flags,UINT32 OutputLevel)885*35786f68SRobert Mustacchi TrPrintOpFlags (
886*35786f68SRobert Mustacchi UINT32 Flags,
887*35786f68SRobert Mustacchi UINT32 OutputLevel)
888*35786f68SRobert Mustacchi {
889*35786f68SRobert Mustacchi UINT32 FlagBit = 1;
890*35786f68SRobert Mustacchi UINT32 i;
891*35786f68SRobert Mustacchi
892*35786f68SRobert Mustacchi
893*35786f68SRobert Mustacchi for (i = 0; i < ACPI_NUM_OP_FLAGS; i++)
894*35786f68SRobert Mustacchi {
895*35786f68SRobert Mustacchi if (Flags & FlagBit)
896*35786f68SRobert Mustacchi {
897*35786f68SRobert Mustacchi DbgPrint (OutputLevel, " %s", Gbl_OpFlagNames[i]);
898*35786f68SRobert Mustacchi }
899*35786f68SRobert Mustacchi
900*35786f68SRobert Mustacchi FlagBit <<= 1;
901*35786f68SRobert Mustacchi }
902*35786f68SRobert Mustacchi }
903