1 /******************************************************************************
3 * Module Name: aslmain - compiler main and utilities
5 *****************************************************************************/
8 * Copyright (C) 2000 - 2014, Intel Corp.
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44 #define _DECLARE_GLOBALS
46 #include "aslcompiler.h"
51 #define _COMPONENT ACPI_COMPILER
52 ACPI_MODULE_NAME ("aslmain")
55 * Main routine for the iASL compiler.
57 * Portability note: The compiler depends upon the host for command-line
58 * wildcard support - it is not implemented locally. For example:
60 * Linux/Unix systems: Shell expands wildcards automatically.
62 * Windows: The setargv.obj module must be linked in to automatically
66 /* Local prototypes */
68 static void ACPI_SYSTEM_XFACE
77 AcpiIsBigEndianMachine (
81 /*******************************************************************************
83 * FUNCTION: AcpiIsBigEndianMachine
87 * RETURN: TRUE if machine is big endian
88 * FALSE if machine is little endian
90 * DESCRIPTION: Detect whether machine is little endian or big endian.
92 ******************************************************************************/
95 AcpiIsBigEndianMachine (
101 } Overlay = {0xFF000000};
103 return (Overlay.Bytes[0]); /* Returns 0xFF (TRUE) for big endian */
107 /*******************************************************************************
115 * DESCRIPTION: Display option help message.
116 * Optional items in square brackets.
118 ******************************************************************************/
124 printf ("%s\n\n", ASL_COMPLIANCE);
125 ACPI_USAGE_HEADER ("iasl [Options] [Files]");
127 printf ("\nGeneral:\n");
128 ACPI_OPTION ("-@ <file>", "Specify command file");
129 ACPI_OPTION ("-I <dir>", "Specify additional include directory");
130 ACPI_OPTION ("-T <sig>|ALL|*", "Create table template file for ACPI <Sig>");
131 ACPI_OPTION ("-p <prefix>", "Specify path/filename prefix for all output files");
132 ACPI_OPTION ("-v", "Display compiler version");
133 ACPI_OPTION ("-vo", "Enable optimization comments");
134 ACPI_OPTION ("-vs", "Disable signon");
136 printf ("\nHelp:\n");
137 ACPI_OPTION ("-h", "This message");
138 ACPI_OPTION ("-hc", "Display operators allowed in constant expressions");
139 ACPI_OPTION ("-hf", "Display help for output filename generation");
140 ACPI_OPTION ("-hr", "Display ACPI reserved method names");
141 ACPI_OPTION ("-ht", "Display currently supported ACPI table names");
143 printf ("\nPreprocessor:\n");
144 ACPI_OPTION ("-D <symbol>", "Define symbol for preprocessor use");
145 ACPI_OPTION ("-li", "Create preprocessed output file (*.i)");
146 ACPI_OPTION ("-P", "Preprocess only and create preprocessor output file (*.i)");
147 ACPI_OPTION ("-Pn", "Disable preprocessor");
149 printf ("\nErrors, Warnings, and Remarks:\n");
150 ACPI_OPTION ("-va", "Disable all errors/warnings/remarks");
151 ACPI_OPTION ("-ve", "Report only errors (ignore warnings and remarks)");
152 ACPI_OPTION ("-vi", "Less verbose errors and warnings for use with IDEs");
153 ACPI_OPTION ("-vr", "Disable remarks");
154 ACPI_OPTION ("-vw <messageid>", "Disable specific warning or remark");
155 ACPI_OPTION ("-w1 -w2 -w3", "Set warning reporting level");
156 ACPI_OPTION ("-we", "Report warnings as errors");
158 printf ("\nAML Code Generation (*.aml):\n");
159 ACPI_OPTION ("-oa", "Disable all optimizations (compatibility mode)");
160 ACPI_OPTION ("-of", "Disable constant folding");
161 ACPI_OPTION ("-oi", "Disable integer optimization to Zero/One/Ones");
162 ACPI_OPTION ("-on", "Disable named reference string optimization");
163 ACPI_OPTION ("-cr", "Disable Resource Descriptor error checking");
164 ACPI_OPTION ("-in", "Ignore NoOp operators");
165 ACPI_OPTION ("-r <revision>", "Override table header Revision (1-255)");
167 printf ("\nOptional Source Code Output Files:\n");
168 ACPI_OPTION ("-sc -sa", "Create source file in C or assembler (*.c or *.asm)");
169 ACPI_OPTION ("-ic -ia", "Create include file in C or assembler (*.h or *.inc)");
170 ACPI_OPTION ("-tc -ta -ts", "Create hex AML table in C, assembler, or ASL (*.hex)");
171 ACPI_OPTION ("-so", "Create offset table in C (*.offset.h)");
173 printf ("\nOptional Listing Files:\n");
174 ACPI_OPTION ("-l", "Create mixed listing file (ASL source and AML) (*.lst)");
175 ACPI_OPTION ("-ln", "Create namespace file (*.nsp)");
176 ACPI_OPTION ("-ls", "Create combined source file (expanded includes) (*.src)");
178 printf ("\nData Table Compiler:\n");
179 ACPI_OPTION ("-G", "Compile custom table that contains generic operators");
180 ACPI_OPTION ("-vt", "Create verbose template files (full disassembly)");
182 printf ("\nAML Disassembler:\n");
183 ACPI_OPTION ("-d <f1 f2 ...>", "Disassemble or decode binary ACPI tables to file (*.dsl)");
184 ACPI_OPTION ("", " (Optional, file type is automatically detected)");
185 ACPI_OPTION ("-da <f1 f2 ...>", "Disassemble multiple tables from single namespace");
186 ACPI_OPTION ("-db", "Do not translate Buffers to Resource Templates");
187 ACPI_OPTION ("-dc <f1 f2 ...>", "Disassemble AML and immediately compile it");
188 ACPI_OPTION ("", " (Obtain DSDT from current system if no input file)");
189 ACPI_OPTION ("-e <f1 f2 ...>", "Include ACPI table(s) for external symbol resolution");
190 ACPI_OPTION ("-fe <file>", "Specify external symbol declaration file");
191 ACPI_OPTION ("-in", "Ignore NoOp opcodes");
192 ACPI_OPTION ("-vt", "Dump binary table data in hex format within output file");
194 printf ("\nDebug Options:\n");
195 ACPI_OPTION ("-bf -bt", "Create debug file (full or parse tree only) (*.txt)");
196 ACPI_OPTION ("-f", "Ignore errors, force creation of AML output file(s)");
197 ACPI_OPTION ("-m <size>", "Set internal line buffer size (in Kbytes)");
198 ACPI_OPTION ("-n", "Parse only, no output generation");
199 ACPI_OPTION ("-ot", "Display compile times and statistics");
200 ACPI_OPTION ("-x <level>", "Set debug level for trace output");
201 ACPI_OPTION ("-z", "Do not insert new compiler ID for DataTables");
205 /*******************************************************************************
207 * FUNCTION: FilenameHelp
213 * DESCRIPTION: Display help message for output filename generation
215 ******************************************************************************/
222 printf ("\nAML output filename generation:\n");
223 printf (" Output filenames are generated by appending an extension to a common\n");
224 printf (" filename prefix. The filename prefix is obtained via one of the\n");
225 printf (" following methods (in priority order):\n");
226 printf (" 1) The -p option specifies the prefix\n");
227 printf (" 2) The prefix of the AMLFileName in the ASL Definition Block\n");
228 printf (" 3) The prefix of the input filename\n");
233 /******************************************************************************
235 * FUNCTION: AslSignalHandler
237 * PARAMETERS: Sig - Signal that invoked this handler
241 * DESCRIPTION: Control-C handler. Delete any intermediate files and any
242 * output files that may be left in an indeterminate state.
244 *****************************************************************************/
246 static void ACPI_SYSTEM_XFACE
253 signal (Sig, SIG_IGN);
254 printf ("Aborting\n\n");
256 /* Close all open files */
258 Gbl_Files[ASL_FILE_PREPROCESSOR].Handle = NULL; /* the .i file is same as source file */
260 for (i = ASL_FILE_INPUT; i < ASL_MAX_FILE_TYPE; i++)
265 /* Delete any output files */
267 for (i = ASL_FILE_AML_OUTPUT; i < ASL_MAX_FILE_TYPE; i++)
276 /*******************************************************************************
278 * FUNCTION: AslInitialize
284 * DESCRIPTION: Initialize compiler globals
286 ******************************************************************************/
295 for (i = 0; i < ASL_NUM_FILES; i++)
297 Gbl_Files[i].Handle = NULL;
298 Gbl_Files[i].Filename = NULL;
301 Gbl_Files[ASL_FILE_STDOUT].Handle = stdout;
302 Gbl_Files[ASL_FILE_STDOUT].Filename = "STDOUT";
304 Gbl_Files[ASL_FILE_STDERR].Handle = stderr;
305 Gbl_Files[ASL_FILE_STDERR].Filename = "STDERR";
309 /*******************************************************************************
313 * PARAMETERS: Standard argc/argv
315 * RETURN: Program termination code
317 * DESCRIPTION: C main routine for the Asl Compiler. Handle command line
318 * options and begin the compile for each file on the command line
320 ******************************************************************************/
322 int ACPI_SYSTEM_XFACE
330 int ReturnStatus = 0;
334 * Big-endian machines are not currently supported. ACPI tables must
335 * be little-endian, and support for big-endian machines needs to
338 if (AcpiIsBigEndianMachine ())
341 "iASL is not currently supported on big-endian machines.\n");
346 ACPI_DEBUG_INITIALIZE (); /* For debug version only */
348 /* Initialize preprocessor and compiler before command line processing */
350 signal (SIGINT, AslSignalHandler);
351 AcpiGbl_ExternalFileList = NULL;
353 PrInitializePreprocessor ();
356 Index1 = Index2 = AslCommandLine (argc, argv);
358 /* Allocate the line buffer(s), must be after command line */
360 Gbl_LineBufferSize /= 2;
361 UtExpandLineBuffers ();
363 /* Perform global actions first/only */
365 if (Gbl_DisassembleAll)
369 Status = AcpiDmAddToExternalFileList (argv[Index1]);
370 if (ACPI_FAILURE (Status))
379 /* Process each pathname/filename in the list, with possible wildcards */
384 * If -p not specified, we will use the input filename as the
385 * output filename prefix
387 if (Gbl_UseDefaultAmlFilename)
389 Gbl_OutputFilenamePrefix = argv[Index2];
390 UtConvertBackslashes (Gbl_OutputFilenamePrefix);
393 Status = AslDoOneFile (argv[Index2]);
394 if (ACPI_FAILURE (Status))
406 UtFreeLineBuffers ();
410 if (AcpiGbl_ExternalFileList)
412 AcpiDmClearExternalFileList();
415 return (ReturnStatus);