xref: /freebsd/sys/contrib/dev/acpica/compiler/aslmain.c (revision 5dae51da3da0cc94d17bd67b308fad304ebec7e0)
1 /******************************************************************************
2  *
3  * Module Name: aslmain - compiler main and utilities
4  *
5  *****************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2016, Intel Corp.
9  * All rights reserved.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions, and the following disclaimer,
16  *    without modification.
17  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18  *    substantially similar to the "NO WARRANTY" disclaimer below
19  *    ("Disclaimer") and any redistribution must be conditioned upon
20  *    including a substantially similar Disclaimer requirement for further
21  *    binary redistribution.
22  * 3. Neither the names of the above-listed copyright holders nor the names
23  *    of any contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * Alternatively, this software may be distributed under the terms of the
27  * GNU General Public License ("GPL") version 2 as published by the Free
28  * Software Foundation.
29  *
30  * NO WARRANTY
31  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41  * POSSIBILITY OF SUCH DAMAGES.
42  */
43 
44 #define _DECLARE_GLOBALS
45 
46 #include <contrib/dev/acpica/compiler/aslcompiler.h>
47 #include <contrib/dev/acpica/include/acapps.h>
48 #include <contrib/dev/acpica/include/acdisasm.h>
49 #include <signal.h>
50 
51 #define _COMPONENT          ACPI_COMPILER
52         ACPI_MODULE_NAME    ("aslmain")
53 
54 /*
55  * Main routine for the iASL compiler.
56  *
57  * Portability note: The compiler depends upon the host for command-line
58  * wildcard support - it is not implemented locally. For example:
59  *
60  * Linux/Unix systems: Shell expands wildcards automatically.
61  *
62  * Windows: The setargv.obj module must be linked in to automatically
63  * expand wildcards.
64  */
65 
66 /* Local prototypes */
67 
68 static void ACPI_SYSTEM_XFACE
69 AslSignalHandler (
70     int                     Sig);
71 
72 static void
73 AslInitialize (
74     void);
75 
76 
77 /*******************************************************************************
78  *
79  * FUNCTION:    main
80  *
81  * PARAMETERS:  Standard argc/argv
82  *
83  * RETURN:      Program termination code
84  *
85  * DESCRIPTION: C main routine for the iASL Compiler/Disassembler. Process
86  *  command line options and begin the compile/disassembly for each file on
87  *  the command line (wildcards supported).
88  *
89  ******************************************************************************/
90 
91 int ACPI_SYSTEM_XFACE
92 main (
93     int                     argc,
94     char                    **argv)
95 {
96     ACPI_STATUS             Status;
97     int                     Index1;
98     int                     Index2;
99     int                     ReturnStatus = 0;
100 
101 
102     /*
103      * Big-endian machines are not currently supported. ACPI tables must
104      * be little-endian, and support for big-endian machines needs to
105      * be implemented.
106      */
107     if (UtIsBigEndianMachine ())
108     {
109         fprintf (stderr,
110             "iASL is not currently supported on big-endian machines.\n");
111         return (-1);
112     }
113 
114     AcpiOsInitialize ();
115     ACPI_DEBUG_INITIALIZE (); /* For debug version only */
116 
117     /* Initialize preprocessor and compiler before command line processing */
118 
119     signal (SIGINT, AslSignalHandler);
120     AcpiGbl_ExternalFileList = NULL;
121     AcpiDbgLevel = 0;
122     PrInitializePreprocessor ();
123     AslInitialize ();
124 
125     Index1 = Index2 =
126         AslCommandLine (argc, argv);
127 
128     /* Allocate the line buffer(s), must be after command line */
129 
130     Gbl_LineBufferSize /= 2;
131     UtExpandLineBuffers ();
132 
133     /* Perform global actions first/only */
134 
135     if (Gbl_DisassembleAll)
136     {
137         while (argv[Index1])
138         {
139             Status = AcpiDmAddToExternalFileList (argv[Index1]);
140             if (ACPI_FAILURE (Status))
141             {
142                 return (-1);
143             }
144 
145             Index1++;
146         }
147     }
148 
149     /* Process each pathname/filename in the list, with possible wildcards */
150 
151     while (argv[Index2])
152     {
153         /*
154          * If -p not specified, we will use the input filename as the
155          * output filename prefix
156          */
157         if (Gbl_UseDefaultAmlFilename)
158         {
159             Gbl_OutputFilenamePrefix = argv[Index2];
160             UtConvertBackslashes (Gbl_OutputFilenamePrefix);
161         }
162 
163         Status = AslDoOneFile (argv[Index2]);
164         if (ACPI_FAILURE (Status))
165         {
166             ReturnStatus = -1;
167             goto CleanupAndExit;
168         }
169 
170         Index2++;
171     }
172 
173 
174 CleanupAndExit:
175 
176     UtFreeLineBuffers ();
177     AslParserCleanup ();
178 
179     if (AcpiGbl_ExternalFileList)
180     {
181         AcpiDmClearExternalFileList();
182     }
183 
184     return (ReturnStatus);
185 }
186 
187 
188 /******************************************************************************
189  *
190  * FUNCTION:    AslSignalHandler
191  *
192  * PARAMETERS:  Sig                 - Signal that invoked this handler
193  *
194  * RETURN:      None
195  *
196  * DESCRIPTION: Control-C handler. Delete any intermediate files and any
197  *              output files that may be left in an indeterminate state.
198  *
199  *****************************************************************************/
200 
201 static void ACPI_SYSTEM_XFACE
202 AslSignalHandler (
203     int                     Sig)
204 {
205     UINT32                  i;
206 
207 
208     signal (Sig, SIG_IGN);
209     printf ("Aborting\n\n");
210 
211     /* Close all open files */
212 
213     Gbl_Files[ASL_FILE_PREPROCESSOR].Handle = NULL; /* the .pre file is same as source file */
214 
215     for (i = ASL_FILE_INPUT; i < ASL_MAX_FILE_TYPE; i++)
216     {
217         FlCloseFile (i);
218     }
219 
220     /* Delete any output files */
221 
222     for (i = ASL_FILE_AML_OUTPUT; i < ASL_MAX_FILE_TYPE; i++)
223     {
224         FlDeleteFile (i);
225     }
226 
227     exit (0);
228 }
229 
230 
231 /*******************************************************************************
232  *
233  * FUNCTION:    AslInitialize
234  *
235  * PARAMETERS:  None
236  *
237  * RETURN:      None
238  *
239  * DESCRIPTION: Initialize compiler globals
240  *
241  ******************************************************************************/
242 
243 static void
244 AslInitialize (
245     void)
246 {
247     UINT32                  i;
248 
249 
250     AcpiGbl_DmOpt_Verbose = FALSE;
251 
252     /* Default integer width is 64 bits */
253 
254     AcpiGbl_IntegerBitWidth = 64;
255     AcpiGbl_IntegerNybbleWidth = 16;
256     AcpiGbl_IntegerByteWidth = 8;
257 
258     for (i = 0; i < ASL_NUM_FILES; i++)
259     {
260         Gbl_Files[i].Handle = NULL;
261         Gbl_Files[i].Filename = NULL;
262     }
263 
264     Gbl_Files[ASL_FILE_STDOUT].Handle   = stdout;
265     Gbl_Files[ASL_FILE_STDOUT].Filename = "STDOUT";
266 
267     Gbl_Files[ASL_FILE_STDERR].Handle   = stderr;
268     Gbl_Files[ASL_FILE_STDERR].Filename = "STDERR";
269 }
270