1bc36eafdSMike Gerdts /******************************************************************************
2bc36eafdSMike Gerdts *
3bc36eafdSMike Gerdts * Module Name: prexpress - Preprocessor #if expression support
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
154bc36eafdSMike Gerdts #define _COMPONENT ASL_PREPROCESSOR
155bc36eafdSMike Gerdts ACPI_MODULE_NAME ("prexpress")
156bc36eafdSMike Gerdts
157bc36eafdSMike Gerdts /* Local prototypes */
158bc36eafdSMike Gerdts
159bc36eafdSMike Gerdts static char *
160bc36eafdSMike Gerdts PrExpandMacros (
161bc36eafdSMike Gerdts char *Line);
162bc36eafdSMike Gerdts
163bc36eafdSMike Gerdts
164bc36eafdSMike Gerdts #ifdef _UNDER_DEVELOPMENT
165bc36eafdSMike Gerdts /******************************************************************************
166bc36eafdSMike Gerdts *
167bc36eafdSMike Gerdts * FUNCTION: PrUnTokenize
168bc36eafdSMike Gerdts *
169bc36eafdSMike Gerdts * PARAMETERS: Buffer - Token Buffer
170bc36eafdSMike Gerdts * Next - "Next" buffer from GetNextToken
171bc36eafdSMike Gerdts *
172bc36eafdSMike Gerdts * RETURN: None
173bc36eafdSMike Gerdts *
174bc36eafdSMike Gerdts * DESCRIPTION: Un-tokenized the current token buffer. The implementation is
175bc36eafdSMike Gerdts * to simply set the null inserted by GetNextToken to a blank.
176bc36eafdSMike Gerdts * If Next is NULL, there were no tokens found in the Buffer,
177bc36eafdSMike Gerdts * so there is nothing to do.
178bc36eafdSMike Gerdts *
179bc36eafdSMike Gerdts *****************************************************************************/
180bc36eafdSMike Gerdts
181bc36eafdSMike Gerdts static void
PrUnTokenize(char * Buffer,char * Next)182bc36eafdSMike Gerdts PrUnTokenize (
183bc36eafdSMike Gerdts char *Buffer,
184bc36eafdSMike Gerdts char *Next)
185bc36eafdSMike Gerdts {
186bc36eafdSMike Gerdts UINT32 Length = strlen (Buffer);
187bc36eafdSMike Gerdts
188bc36eafdSMike Gerdts
189bc36eafdSMike Gerdts if (!Next)
190bc36eafdSMike Gerdts {
191bc36eafdSMike Gerdts return;
192bc36eafdSMike Gerdts }
193bc36eafdSMike Gerdts
194bc36eafdSMike Gerdts if (Buffer[Length] != '\n')
195bc36eafdSMike Gerdts {
196bc36eafdSMike Gerdts Buffer[strlen(Buffer)] = ' ';
197bc36eafdSMike Gerdts }
198bc36eafdSMike Gerdts }
199bc36eafdSMike Gerdts #endif
200bc36eafdSMike Gerdts
201bc36eafdSMike Gerdts
202bc36eafdSMike Gerdts /******************************************************************************
203bc36eafdSMike Gerdts *
204bc36eafdSMike Gerdts * FUNCTION: PrExpandMacros
205bc36eafdSMike Gerdts *
206bc36eafdSMike Gerdts * PARAMETERS: Line - Pointer into the current line
207bc36eafdSMike Gerdts *
208bc36eafdSMike Gerdts * RETURN: Updated pointer into the current line
209bc36eafdSMike Gerdts *
210bc36eafdSMike Gerdts * DESCRIPTION: Expand any macros found in the current line buffer.
211bc36eafdSMike Gerdts *
212bc36eafdSMike Gerdts *****************************************************************************/
213bc36eafdSMike Gerdts
214bc36eafdSMike Gerdts static char *
PrExpandMacros(char * Line)215bc36eafdSMike Gerdts PrExpandMacros (
216bc36eafdSMike Gerdts char *Line)
217bc36eafdSMike Gerdts {
218bc36eafdSMike Gerdts char *Token;
219bc36eafdSMike Gerdts char *ReplaceString;
220bc36eafdSMike Gerdts PR_DEFINE_INFO *DefineInfo;
221bc36eafdSMike Gerdts ACPI_SIZE TokenOffset;
222bc36eafdSMike Gerdts char *Next;
223bc36eafdSMike Gerdts int OffsetAdjust;
224bc36eafdSMike Gerdts
225bc36eafdSMike Gerdts
226bc36eafdSMike Gerdts strcpy (Gbl_ExpressionTokenBuffer, Gbl_CurrentLineBuffer);
227bc36eafdSMike Gerdts Token = PrGetNextToken (Gbl_ExpressionTokenBuffer, PR_EXPR_SEPARATORS, &Next);
228bc36eafdSMike Gerdts OffsetAdjust = 0;
229bc36eafdSMike Gerdts
230bc36eafdSMike Gerdts while (Token)
231bc36eafdSMike Gerdts {
232bc36eafdSMike Gerdts DefineInfo = PrMatchDefine (Token);
233bc36eafdSMike Gerdts if (DefineInfo)
234bc36eafdSMike Gerdts {
235bc36eafdSMike Gerdts if (DefineInfo->Body)
236bc36eafdSMike Gerdts {
237bc36eafdSMike Gerdts /* This is a macro. TBD: Is this allowed? */
238bc36eafdSMike Gerdts
239bc36eafdSMike Gerdts DbgPrint (ASL_DEBUG_OUTPUT, PR_PREFIX_ID
240bc36eafdSMike Gerdts "Matched Macro: %s->%s\n",
241bc36eafdSMike Gerdts Gbl_CurrentLineNumber, DefineInfo->Identifier,
242bc36eafdSMike Gerdts DefineInfo->Replacement);
243bc36eafdSMike Gerdts
244bc36eafdSMike Gerdts PrDoMacroInvocation (Gbl_ExpressionTokenBuffer, Token,
245bc36eafdSMike Gerdts DefineInfo, &Next);
246bc36eafdSMike Gerdts }
247bc36eafdSMike Gerdts else
248bc36eafdSMike Gerdts {
249bc36eafdSMike Gerdts ReplaceString = DefineInfo->Replacement;
250bc36eafdSMike Gerdts
251bc36eafdSMike Gerdts /* Replace the name in the original line buffer */
252bc36eafdSMike Gerdts
253bc36eafdSMike Gerdts TokenOffset = Token - Gbl_ExpressionTokenBuffer + OffsetAdjust;
254bc36eafdSMike Gerdts PrReplaceData (
255bc36eafdSMike Gerdts &Gbl_CurrentLineBuffer[TokenOffset], strlen (Token),
256bc36eafdSMike Gerdts ReplaceString, strlen (ReplaceString));
257bc36eafdSMike Gerdts
258bc36eafdSMike Gerdts /* Adjust for length difference between old and new name length */
259bc36eafdSMike Gerdts
260bc36eafdSMike Gerdts OffsetAdjust += strlen (ReplaceString) - strlen (Token);
261bc36eafdSMike Gerdts
262bc36eafdSMike Gerdts DbgPrint (ASL_DEBUG_OUTPUT, PR_PREFIX_ID
263bc36eafdSMike Gerdts "Matched #define within expression: %s->%s\n",
264bc36eafdSMike Gerdts Gbl_CurrentLineNumber, Token,
265bc36eafdSMike Gerdts *ReplaceString ? ReplaceString : "(NULL STRING)");
266bc36eafdSMike Gerdts }
267bc36eafdSMike Gerdts }
268bc36eafdSMike Gerdts
269bc36eafdSMike Gerdts Token = PrGetNextToken (NULL, PR_EXPR_SEPARATORS, &Next);
270bc36eafdSMike Gerdts }
271bc36eafdSMike Gerdts
272bc36eafdSMike Gerdts return (Line);
273bc36eafdSMike Gerdts }
274bc36eafdSMike Gerdts
275bc36eafdSMike Gerdts
276bc36eafdSMike Gerdts /******************************************************************************
277bc36eafdSMike Gerdts *
278bc36eafdSMike Gerdts * FUNCTION: PrIsDefined
279bc36eafdSMike Gerdts *
280bc36eafdSMike Gerdts * PARAMETERS: Identifier - Name to be resolved
281bc36eafdSMike Gerdts *
282bc36eafdSMike Gerdts * RETURN: 64-bit boolean integer value
283bc36eafdSMike Gerdts *
284bc36eafdSMike Gerdts * DESCRIPTION: Returns TRUE if the name is defined, FALSE otherwise (0).
285bc36eafdSMike Gerdts *
286bc36eafdSMike Gerdts *****************************************************************************/
287bc36eafdSMike Gerdts
288bc36eafdSMike Gerdts UINT64
PrIsDefined(char * Identifier)289bc36eafdSMike Gerdts PrIsDefined (
290bc36eafdSMike Gerdts char *Identifier)
291bc36eafdSMike Gerdts {
292bc36eafdSMike Gerdts UINT64 Value;
293bc36eafdSMike Gerdts PR_DEFINE_INFO *DefineInfo;
294bc36eafdSMike Gerdts
295bc36eafdSMike Gerdts
296bc36eafdSMike Gerdts DbgPrint (ASL_DEBUG_OUTPUT, PR_PREFIX_ID
297bc36eafdSMike Gerdts "**** Is defined?: %s\n", Gbl_CurrentLineNumber, Identifier);
298bc36eafdSMike Gerdts
299bc36eafdSMike Gerdts Value = 0; /* Default is "Not defined" -- FALSE */
300bc36eafdSMike Gerdts
301bc36eafdSMike Gerdts DefineInfo = PrMatchDefine (Identifier);
302bc36eafdSMike Gerdts if (DefineInfo)
303bc36eafdSMike Gerdts {
304bc36eafdSMike Gerdts Value = ACPI_UINT64_MAX; /* TRUE */
305bc36eafdSMike Gerdts }
306bc36eafdSMike Gerdts
307bc36eafdSMike Gerdts DbgPrint (ASL_DEBUG_OUTPUT, PR_PREFIX_ID
308bc36eafdSMike Gerdts "[#if defined %s] resolved to: %8.8X%8.8X\n",
309bc36eafdSMike Gerdts Gbl_CurrentLineNumber, Identifier, ACPI_FORMAT_UINT64 (Value));
310bc36eafdSMike Gerdts
311bc36eafdSMike Gerdts return (Value);
312bc36eafdSMike Gerdts }
313bc36eafdSMike Gerdts
314bc36eafdSMike Gerdts
315bc36eafdSMike Gerdts /******************************************************************************
316bc36eafdSMike Gerdts *
317bc36eafdSMike Gerdts * FUNCTION: PrResolveDefine
318bc36eafdSMike Gerdts *
319bc36eafdSMike Gerdts * PARAMETERS: Identifier - Name to be resolved
320bc36eafdSMike Gerdts *
321bc36eafdSMike Gerdts * RETURN: A 64-bit boolean integer value
322bc36eafdSMike Gerdts *
323bc36eafdSMike Gerdts * DESCRIPTION: Returns TRUE if the name is defined, FALSE otherwise (0).
324bc36eafdSMike Gerdts *
325bc36eafdSMike Gerdts *****************************************************************************/
326bc36eafdSMike Gerdts
327bc36eafdSMike Gerdts UINT64
PrResolveDefine(char * Identifier)328bc36eafdSMike Gerdts PrResolveDefine (
329bc36eafdSMike Gerdts char *Identifier)
330bc36eafdSMike Gerdts {
331bc36eafdSMike Gerdts UINT64 Value;
332bc36eafdSMike Gerdts PR_DEFINE_INFO *DefineInfo;
333bc36eafdSMike Gerdts
334bc36eafdSMike Gerdts
335bc36eafdSMike Gerdts DbgPrint (ASL_DEBUG_OUTPUT, PR_PREFIX_ID
336bc36eafdSMike Gerdts "**** Resolve #define: %s\n", Gbl_CurrentLineNumber, Identifier);
337bc36eafdSMike Gerdts
338bc36eafdSMike Gerdts Value = 0; /* Default is "Not defined" -- FALSE */
339bc36eafdSMike Gerdts
340bc36eafdSMike Gerdts DefineInfo = PrMatchDefine (Identifier);
341bc36eafdSMike Gerdts if (DefineInfo)
342bc36eafdSMike Gerdts {
343bc36eafdSMike Gerdts Value = ACPI_UINT64_MAX; /* TRUE */
344bc36eafdSMike Gerdts }
345bc36eafdSMike Gerdts
346bc36eafdSMike Gerdts DbgPrint (ASL_DEBUG_OUTPUT, PR_PREFIX_ID
347bc36eafdSMike Gerdts "[#if defined %s] resolved to: %8.8X%8.8X\n",
348bc36eafdSMike Gerdts Gbl_CurrentLineNumber, Identifier, ACPI_FORMAT_UINT64 (Value));
349bc36eafdSMike Gerdts
350bc36eafdSMike Gerdts return (Value);
351bc36eafdSMike Gerdts }
352bc36eafdSMike Gerdts
353bc36eafdSMike Gerdts
354bc36eafdSMike Gerdts /******************************************************************************
355bc36eafdSMike Gerdts *
356bc36eafdSMike Gerdts * FUNCTION: PrResolveIntegerExpression
357bc36eafdSMike Gerdts *
358bc36eafdSMike Gerdts * PARAMETERS: Line - Pointer to integer expression
359bc36eafdSMike Gerdts * ReturnValue - Where the resolved 64-bit integer is
360bc36eafdSMike Gerdts * returned.
361bc36eafdSMike Gerdts *
362bc36eafdSMike Gerdts * RETURN: Status
363bc36eafdSMike Gerdts *
364bc36eafdSMike Gerdts * DESCRIPTION: Resolve an integer expression to a single value. Supports
365bc36eafdSMike Gerdts * both integer constants and labels.
366bc36eafdSMike Gerdts *
367bc36eafdSMike Gerdts *****************************************************************************/
368bc36eafdSMike Gerdts
369bc36eafdSMike Gerdts ACPI_STATUS
PrResolveIntegerExpression(char * Line,UINT64 * ReturnValue)370bc36eafdSMike Gerdts PrResolveIntegerExpression (
371bc36eafdSMike Gerdts char *Line,
372bc36eafdSMike Gerdts UINT64 *ReturnValue)
373bc36eafdSMike Gerdts {
374bc36eafdSMike Gerdts UINT64 Result;
375bc36eafdSMike Gerdts char *ExpandedLine;
376bc36eafdSMike Gerdts
377bc36eafdSMike Gerdts
378bc36eafdSMike Gerdts DbgPrint (ASL_DEBUG_OUTPUT, PR_PREFIX_ID
379bc36eafdSMike Gerdts "**** Resolve #if: %s\n", Gbl_CurrentLineNumber, Line);
380bc36eafdSMike Gerdts
381bc36eafdSMike Gerdts /* Expand all macros within the expression first */
382bc36eafdSMike Gerdts
383bc36eafdSMike Gerdts ExpandedLine = PrExpandMacros (Line);
384bc36eafdSMike Gerdts
385bc36eafdSMike Gerdts /* Now we can evaluate the expression */
386bc36eafdSMike Gerdts
387bc36eafdSMike Gerdts Result = PrEvaluateExpression (ExpandedLine);
388bc36eafdSMike Gerdts DbgPrint (ASL_DEBUG_OUTPUT, PR_PREFIX_ID
389bc36eafdSMike Gerdts "**** Expression Resolved to: %8.8X%8.8X\n",
390bc36eafdSMike Gerdts Gbl_CurrentLineNumber, ACPI_FORMAT_UINT64 (Result));
391bc36eafdSMike Gerdts
392bc36eafdSMike Gerdts *ReturnValue = Result;
393bc36eafdSMike Gerdts return (AE_OK);
394bc36eafdSMike Gerdts
395bc36eafdSMike Gerdts #if 0
396bc36eafdSMike Gerdts InvalidExpression:
397bc36eafdSMike Gerdts
398bc36eafdSMike Gerdts ACPI_FREE (EvalBuffer);
399bc36eafdSMike Gerdts PrError (ASL_ERROR, ASL_MSG_INVALID_EXPRESSION, 0);
400bc36eafdSMike Gerdts return (AE_ERROR);
401bc36eafdSMike Gerdts
402bc36eafdSMike Gerdts
403bc36eafdSMike Gerdts NormalExit:
404bc36eafdSMike Gerdts
405bc36eafdSMike Gerdts DbgPrint (ASL_DEBUG_OUTPUT, PR_PREFIX_ID
406bc36eafdSMike Gerdts "**** Expression Resolved to: %8.8X%8.8X\n",
407bc36eafdSMike Gerdts Gbl_CurrentLineNumber, ACPI_FORMAT_UINT64 (Value1));
408bc36eafdSMike Gerdts
409bc36eafdSMike Gerdts *ReturnValue = Value1;
410bc36eafdSMike Gerdts return (AE_OK);
411bc36eafdSMike Gerdts #endif
412bc36eafdSMike Gerdts }
413